From af3b74df1b2fa4dbfb0534818167f6393f5ae7c7 Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Thu, 8 May 2008 14:27:15 +1000 Subject: [POWERPC] Move xmon_irq() declaration into xmon.h The typdef for irqreturn_t was moved into its own header a while back, so there's no reason we can't move xmon_irq() into xmon.h now. Signed-off-by: Michael Ellerman Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/chrp/setup.c | 7 ------- arch/powerpc/platforms/powermac/pic.c | 8 +------- 2 files changed, 1 insertion(+), 14 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index 116babbaaf81..1ba7ce5aafae 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c @@ -63,13 +63,6 @@ static struct mpic *chrp_mpic; DEFINE_PER_CPU(struct timer_list, heartbeat_timer); unsigned long event_scan_interval; -/* - * XXX this should be in xmon.h, but putting it there means xmon.h - * has to include (to get irqreturn_t), which - * causes all sorts of problems. -- paulus - */ -extern irqreturn_t xmon_irq(int, void *); - extern unsigned long loops_per_jiffy; /* To be replaced by RTAS when available */ diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c index 829b8b02527b..6d149ae8ffa7 100644 --- a/arch/powerpc/platforms/powermac/pic.c +++ b/arch/powerpc/platforms/powermac/pic.c @@ -34,16 +34,10 @@ #include #include #include +#include #include "pmac.h" -/* - * XXX this should be in xmon.h, but putting it there means xmon.h - * has to include (to get irqreturn_t), which - * causes all sorts of problems. -- paulus - */ -extern irqreturn_t xmon_irq(int, void *); - #ifdef CONFIG_PPC32 struct pmac_irq_hw { unsigned int event; -- cgit v1.2.2 From 1c21a2937b1f342a8f5d580203c3396557d53b6e Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Thu, 8 May 2008 14:27:19 +1000 Subject: [POWERPC] Fix sparse warnings in arch/powerpc/kernel Make a few things static in lparcfg.c Make init and exit routines static in rtas_flash.c Make things static in rtas_pci.c Make some functions static in rtas.c Make fops static in rtas-proc.c Remove unneeded extern for do_gtod in smp.c Make clocksource_init() static in time.c Make last_tick_len and ticklen_to_xs static in time.c Move the declaration of the pvr per-cpu into smp.h Make kexec_smp_down() and kexec_stack static in machine_kexec_64.c Don't return void in arch_teardown_msi_irqs() in msi.c Move declaration of GregorianDay()into asm/time.h Signed-off-by: Michael Ellerman Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/maple/time.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/maple/time.c b/arch/powerpc/platforms/maple/time.c index 9f7579b38c72..53bca132fb48 100644 --- a/arch/powerpc/platforms/maple/time.c +++ b/arch/powerpc/platforms/maple/time.c @@ -41,8 +41,6 @@ #define DBG(x...) #endif -extern void GregorianDay(struct rtc_time * tm); - static int maple_rtc_addr; static int maple_clock_read(int addr) -- cgit v1.2.2 From 3ff1999b2c84e1486e80fbd3ca12b1663dc3408b Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Thu, 8 May 2008 14:27:21 +1000 Subject: [POWERPC] pseries/firmware.c should include pseries/pseries.h The declaration for fw_feature_init() is in pseries.h and implemented in firmware.c, so the latter should include the former. Signed-off-by: Michael Ellerman Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/pseries/firmware.c | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c index 9d3a40f45974..5a707da3f5c2 100644 --- a/arch/powerpc/platforms/pseries/firmware.c +++ b/arch/powerpc/platforms/pseries/firmware.c @@ -26,6 +26,7 @@ #include #include +#include "pseries.h" typedef struct { unsigned long val; -- cgit v1.2.2 From 541b2755c2ef7dd2242ac606c115daa11e43ef69 Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Thu, 8 May 2008 14:27:23 +1000 Subject: [POWERPC] Fix sparse warnings in arch/powerpc/platforms/pseries Don't return void in pseries/iommu.c Make mce_data_buf static in pseries/ras.c Make things static in pseries/rtasd.c Make things static in pseries/setup.c vtermno may as well be static in platforms/pseries/lpar.c Signed-off-by: Michael Ellerman Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/pseries/iommu.c | 15 +++++++++------ arch/powerpc/platforms/pseries/lpar.c | 2 +- arch/powerpc/platforms/pseries/ras.c | 2 +- arch/powerpc/platforms/pseries/rtasd.c | 4 ++-- arch/powerpc/platforms/pseries/setup.c | 4 ++-- 5 files changed, 15 insertions(+), 12 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 176f1f39d2d5..9a12908510fb 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -135,9 +135,10 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum, u64 rpn; long l, limit; - if (npages == 1) - return tce_build_pSeriesLP(tbl, tcenum, npages, uaddr, - direction); + if (npages == 1) { + tce_build_pSeriesLP(tbl, tcenum, npages, uaddr, direction); + return; + } tcep = __get_cpu_var(tce_page); @@ -147,9 +148,11 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum, if (!tcep) { tcep = (u64 *)__get_free_page(GFP_ATOMIC); /* If allocation fails, fall back to the loop implementation */ - if (!tcep) - return tce_build_pSeriesLP(tbl, tcenum, npages, - uaddr, direction); + if (!tcep) { + tce_build_pSeriesLP(tbl, tcenum, npages, uaddr, + direction); + return; + } __get_cpu_var(tce_page) = tcep; } diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index 2cbaedb17f3e..3b4651b6ee05 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -52,7 +52,7 @@ EXPORT_SYMBOL(plpar_hcall_norets); extern void pSeries_find_serial_port(void); -int vtermno; /* virtual terminal# for udbg */ +static int vtermno; /* virtual terminal# for udbg */ #define __ALIGNED__ __attribute__((__aligned__(sizeof(long)))) static void udbg_hvsi_putc(char c) diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c index 2b548afd1003..d20b96e22c2e 100644 --- a/arch/powerpc/platforms/pseries/ras.c +++ b/arch/powerpc/platforms/pseries/ras.c @@ -55,7 +55,7 @@ static unsigned char ras_log_buf[RTAS_ERROR_LOG_MAX]; static DEFINE_SPINLOCK(ras_log_buf_lock); -char mce_data_buf[RTAS_ERROR_LOG_MAX]; +static char mce_data_buf[RTAS_ERROR_LOG_MAX]; static int ras_get_sensor_state_token; static int ras_check_exception_token; diff --git a/arch/powerpc/platforms/pseries/rtasd.c b/arch/powerpc/platforms/pseries/rtasd.c index 7d3e2b0bd4d2..c9ffd8c225f1 100644 --- a/arch/powerpc/platforms/pseries/rtasd.c +++ b/arch/powerpc/platforms/pseries/rtasd.c @@ -32,7 +32,7 @@ static DEFINE_SPINLOCK(rtasd_log_lock); -DECLARE_WAIT_QUEUE_HEAD(rtas_log_wait); +static DECLARE_WAIT_QUEUE_HEAD(rtas_log_wait); static char *rtas_log_buf; static unsigned long rtas_log_start; @@ -329,7 +329,7 @@ static unsigned int rtas_log_poll(struct file *file, poll_table * wait) return 0; } -const struct file_operations proc_rtas_log_operations = { +static const struct file_operations proc_rtas_log_operations = { .read = rtas_log_read, .poll = rtas_log_poll, .open = rtas_log_open, diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index f5d29f5b13c1..90beb444e1dd 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -109,7 +109,7 @@ static void __init fwnmi_init(void) fwnmi_active = 1; } -void pseries_8259_cascade(unsigned int irq, struct irq_desc *desc) +static void pseries_8259_cascade(unsigned int irq, struct irq_desc *desc) { unsigned int cascade_irq = i8259_irq(); if (cascade_irq != NO_IRQ) @@ -482,7 +482,7 @@ static int pSeries_pci_probe_mode(struct pci_bus *bus) * possible with power button press. If ibm,power-off-ups token is used * it will allow auto poweron after power is restored. */ -void pSeries_power_off(void) +static void pSeries_power_off(void) { int rc; int rtas_poweroff_ups_token = rtas_token("ibm,power-off-ups"); -- cgit v1.2.2 From 72cac213fda6a2dd402e91692b70e175795eab7d Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Fri, 23 May 2008 14:21:30 +1000 Subject: [POWERPC] Add debugging trigger to Axon MSI code This adds some debugging code to the Axon MSI driver. It creates a file per MSIC in /sys/kernel/debug/powerpc, which allows the user to trigger a fake MSI interrupt by writing to the file. This can be used to test some of the MSI generation path. In particular, that the MSIC recognises a write to the MSI address, generates an interrupt and writes the MSI packet into the ring buffer. All the code is inside #ifdef DEBUG so it causes no harm unless it's enabled. Signed-off-by: Michael Ellerman Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/cell/axon_msi.c | 58 ++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c index c39f5c225f2e..8b055bce27fe 100644 --- a/arch/powerpc/platforms/cell/axon_msi.c +++ b/arch/powerpc/platforms/cell/axon_msi.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include @@ -69,8 +70,19 @@ struct axon_msic { dma_addr_t fifo_phys; dcr_host_t dcr_host; u32 read_offset; +#ifdef DEBUG + u32 __iomem *trigger; +#endif }; +#ifdef DEBUG +void axon_msi_debug_setup(struct device_node *dn, struct axon_msic *msic); +#else +static inline void axon_msi_debug_setup(struct device_node *dn, + struct axon_msic *msic) { } +#endif + + static void msic_dcr_write(struct axon_msic *msic, unsigned int dcr_n, u32 val) { pr_debug("axon_msi: dcr_write(0x%x, 0x%x)\n", val, dcr_n); @@ -381,6 +393,8 @@ static int axon_msi_probe(struct of_device *device, ppc_md.teardown_msi_irqs = axon_msi_teardown_msi_irqs; ppc_md.msi_check_device = axon_msi_check_device; + axon_msi_debug_setup(dn, msic); + printk(KERN_DEBUG "axon_msi: setup MSIC on %s\n", dn->full_name); return 0; @@ -418,3 +432,47 @@ static int __init axon_msi_init(void) return of_register_platform_driver(&axon_msi_driver); } subsys_initcall(axon_msi_init); + + +#ifdef DEBUG +static int msic_set(void *data, u64 val) +{ + struct axon_msic *msic = data; + out_le32(msic->trigger, val); + return 0; +} + +static int msic_get(void *data, u64 *val) +{ + *val = 0; + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(fops_msic, msic_get, msic_set, "%llu\n"); + +void axon_msi_debug_setup(struct device_node *dn, struct axon_msic *msic) +{ + char name[8]; + u64 addr; + + addr = of_translate_address(dn, of_get_property(dn, "reg", NULL)); + if (addr == OF_BAD_ADDR) { + pr_debug("axon_msi: couldn't translate reg property\n"); + return; + } + + msic->trigger = ioremap(addr, 0x4); + if (!msic->trigger) { + pr_debug("axon_msi: ioremap failed\n"); + return; + } + + snprintf(name, sizeof(name), "msic_%d", of_node_to_nid(dn)); + + if (!debugfs_create_file(name, 0600, powerpc_debugfs_root, + msic, &fops_msic)) { + pr_debug("axon_msi: debugfs_create_file failed!\n"); + return; + } +} +#endif /* DEBUG */ -- cgit v1.2.2 From 4e491d14f2506b218d678935c25a7027b79178b1 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 14 May 2008 23:49:44 -0400 Subject: ftrace: support for PowerPC This patch adds full support for ftrace for PowerPC (both 64 and 32 bit). This includes dynamic tracing and function filtering. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- arch/powerpc/platforms/powermac/Makefile | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/powermac/Makefile b/arch/powerpc/platforms/powermac/Makefile index 4d72c8f72159..89774177b209 100644 --- a/arch/powerpc/platforms/powermac/Makefile +++ b/arch/powerpc/platforms/powermac/Makefile @@ -1,5 +1,10 @@ CFLAGS_bootx_init.o += -fPIC +ifdef CONFIG_FTRACE +# Do not trace early boot code +CFLAGS_REMOVE_bootx_init.o = -pg +endif + obj-y += pic.o setup.o time.o feature.o pci.o \ sleep.o low_i2c.o cache.o pfunc_core.o \ pfunc_base.o -- cgit v1.2.2 From 4ebef31fa6e013e5cd3d4522e6018eb6d55046be Mon Sep 17 00:00:00 2001 From: Sean MacLennan Date: Tue, 20 May 2008 08:28:52 -0500 Subject: [POWERPC] PIKA Warp: Update platform code to support Rev B boards * Switched from 64M NOR/64M NAND to 4M NOR/256M NAND. * Full DTM support including critical temperature. * Added POST information. * Removed LED function, moved to new LED driver. * Moved ad7414 to new style I2C initialization. Signed-off-by: Sean MacLennan Signed-off-by: Josh Boyer --- arch/powerpc/platforms/44x/warp-nand.c | 49 ++++-- arch/powerpc/platforms/44x/warp.c | 293 +++++++++++++++++++++++++++------ 2 files changed, 280 insertions(+), 62 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/44x/warp-nand.c b/arch/powerpc/platforms/44x/warp-nand.c index 9150318cfc56..d293c702e734 100644 --- a/arch/powerpc/platforms/44x/warp-nand.c +++ b/arch/powerpc/platforms/44x/warp-nand.c @@ -11,8 +11,10 @@ #include #include #include +#include #include + #ifdef CONFIG_MTD_NAND_NDFC #define CS_NAND_0 1 /* use chip select 1 for NAND device 0 */ @@ -35,13 +37,23 @@ static struct mtd_partition nand_parts[] = { { .name = "root", .offset = 0x0200000, - .size = 0x3400000 + .size = 0x3E00000 + }, + { + .name = "persistent", + .offset = 0x4000000, + .size = 0x4000000 }, { - .name = "user", - .offset = 0x3600000, - .size = 0x0A00000 + .name = "persistent1", + .offset = 0x8000000, + .size = 0x4000000 }, + { + .name = "persistent2", + .offset = 0xC000000, + .size = 0x4000000 + } }; struct ndfc_controller_settings warp_ndfc_settings = { @@ -67,19 +79,15 @@ static struct platform_device warp_ndfc_device = { .resource = &warp_ndfc, }; -static struct nand_ecclayout nand_oob_16 = { - .eccbytes = 3, - .eccpos = { 0, 1, 2, 3, 6, 7 }, - .oobfree = { {.offset = 8, .length = 16} } -}; - +/* Do NOT set the ecclayout: let it default so it is correct for both + * 64M and 256M flash chips. + */ static struct platform_nand_chip warp_nand_chip0 = { .nr_chips = 1, .chip_offset = CS_NAND_0, .nr_partitions = ARRAY_SIZE(nand_parts), .partitions = nand_parts, - .chip_delay = 50, - .ecclayout = &nand_oob_16, + .chip_delay = 20, .priv = &warp_chip0_settings, }; @@ -96,6 +104,23 @@ static struct platform_device warp_nand_device = { static int warp_setup_nand_flash(void) { + struct device_node *np; + + /* Try to detect a rev A based on NOR size. */ + np = of_find_compatible_node(NULL, NULL, "cfi-flash"); + if (np) { + struct property *pp; + + pp = of_find_property(np, "reg", NULL); + if (pp && (pp->length == 12)) { + u32 *v = pp->value; + if (v[2] == 0x4000000) + /* Rev A = 64M NAND */ + warp_nand_chip0.nr_partitions = 2; + } + of_node_put(np); + } + platform_device_register(&warp_ndfc_device); platform_device_register(&warp_nand_device); diff --git a/arch/powerpc/platforms/44x/warp.c b/arch/powerpc/platforms/44x/warp.c index 39cf6150a72b..9565995cba7f 100644 --- a/arch/powerpc/platforms/44x/warp.c +++ b/arch/powerpc/platforms/44x/warp.c @@ -12,6 +12,9 @@ #include #include #include +#include +#include +#include #include #include @@ -27,6 +30,18 @@ static __initdata struct of_device_id warp_of_bus[] = { {}, }; +static __initdata struct i2c_board_info warp_i2c_info[] = { + { I2C_BOARD_INFO("ad7414", 0x4a) } +}; + +static int __init warp_arch_init(void) +{ + /* This should go away once support is moved to the dts. */ + i2c_register_board_info(0, warp_i2c_info, ARRAY_SIZE(warp_i2c_info)); + return 0; +} +machine_arch_initcall(warp, warp_arch_init); + static int __init warp_device_probe(void) { of_platform_bus_probe(NULL, warp_of_bus, NULL); @@ -52,61 +67,232 @@ define_machine(warp) { }; -#define LED_GREEN (0x80000000 >> 0) -#define LED_RED (0x80000000 >> 1) +/* I am not sure this is the best place for this... */ +static int __init warp_post_info(void) +{ + struct device_node *np; + void __iomem *fpga; + u32 post1, post2; + + /* Sighhhh... POST information is in the sd area. */ + np = of_find_compatible_node(NULL, NULL, "pika,fpga-sd"); + if (np == NULL) + return -ENOENT; + + fpga = of_iomap(np, 0); + of_node_put(np); + if (fpga == NULL) + return -ENOENT; + + post1 = in_be32(fpga + 0x40); + post2 = in_be32(fpga + 0x44); + + iounmap(fpga); + + if (post1 || post2) + printk(KERN_INFO "Warp POST %08x %08x\n", post1, post2); + else + printk(KERN_INFO "Warp POST OK\n"); + + return 0; +} +machine_late_initcall(warp, warp_post_info); + + +#ifdef CONFIG_SENSORS_AD7414 + +static LIST_HEAD(dtm_shutdown_list); +static void __iomem *dtm_fpga; +static void __iomem *gpio_base; + + +struct dtm_shutdown { + struct list_head list; + void (*func)(void *arg); + void *arg; +}; -/* This is for the power LEDs 1 = on, 0 = off, -1 = leave alone */ -void warp_set_power_leds(int green, int red) +int pika_dtm_register_shutdown(void (*func)(void *arg), void *arg) { - static void __iomem *gpio_base = NULL; - unsigned leds; - - if (gpio_base == NULL) { - struct device_node *np; - - /* Power LEDS are on the second GPIO controller */ - np = of_find_compatible_node(NULL, NULL, "ibm,gpio-440EP"); - if (np) - np = of_find_compatible_node(np, NULL, "ibm,gpio-440EP"); - if (np == NULL) { - printk(KERN_ERR __FILE__ ": Unable to find gpio\n"); - return; + struct dtm_shutdown *shutdown; + + shutdown = kmalloc(sizeof(struct dtm_shutdown), GFP_KERNEL); + if (shutdown == NULL) + return -ENOMEM; + + shutdown->func = func; + shutdown->arg = arg; + + list_add(&shutdown->list, &dtm_shutdown_list); + + return 0; +} + +int pika_dtm_unregister_shutdown(void (*func)(void *arg), void *arg) +{ + struct dtm_shutdown *shutdown; + + list_for_each_entry(shutdown, &dtm_shutdown_list, list) + if (shutdown->func == func && shutdown->arg == arg) { + list_del(&shutdown->list); + kfree(shutdown); + return 0; + } + + return -EINVAL; +} + +static irqreturn_t temp_isr(int irq, void *context) +{ + struct dtm_shutdown *shutdown; + + local_irq_disable(); + + /* Run through the shutdown list. */ + list_for_each_entry(shutdown, &dtm_shutdown_list, list) + shutdown->func(shutdown->arg); + + printk(KERN_EMERG "\n\nCritical Temperature Shutdown\n"); + + while (1) { + if (dtm_fpga) { + unsigned reset = in_be32(dtm_fpga + 0x14); + out_be32(dtm_fpga + 0x14, reset); } - gpio_base = of_iomap(np, 0); - of_node_put(np); - if (gpio_base == NULL) { - printk(KERN_ERR __FILE__ ": Unable to map gpio"); - return; + if (gpio_base) { + unsigned leds = in_be32(gpio_base); + + /* green off, red toggle */ + leds &= ~0x80000000; + leds ^= 0x40000000; + + out_be32(gpio_base, leds); } + + mdelay(500); + } +} + +static int pika_setup_leds(void) +{ + struct device_node *np; + const u32 *gpios; + int len; + + np = of_find_compatible_node(NULL, NULL, "linux,gpio-led"); + if (!np) { + printk(KERN_ERR __FILE__ ": Unable to find gpio-led\n"); + return -ENOENT; } - leds = in_be32(gpio_base); + gpios = of_get_property(np, "gpios", &len); + of_node_put(np); + if (!gpios || len < 4) { + printk(KERN_ERR __FILE__ + ": Unable to get gpios property (%d)\n", len); + return -ENOENT; + } - switch (green) { - case 0: leds &= ~LED_GREEN; break; - case 1: leds |= LED_GREEN; break; + np = of_find_node_by_phandle(gpios[0]); + if (!np) { + printk(KERN_ERR __FILE__ ": Unable to find gpio\n"); + return -ENOENT; } - switch (red) { - case 0: leds &= ~LED_RED; break; - case 1: leds |= LED_RED; break; + + gpio_base = of_iomap(np, 0); + of_node_put(np); + if (!gpio_base) { + printk(KERN_ERR __FILE__ ": Unable to map gpio"); + return -ENOMEM; } - out_be32(gpio_base, leds); + return 0; } -EXPORT_SYMBOL(warp_set_power_leds); +static void pika_setup_critical_temp(struct i2c_client *client) +{ + struct device_node *np; + int irq, rc; + + /* Do this before enabling critical temp interrupt since we + * may immediately interrupt. + */ + pika_setup_leds(); + + /* These registers are in 1 degree increments. */ + i2c_smbus_write_byte_data(client, 2, 65); /* Thigh */ + i2c_smbus_write_byte_data(client, 3, 55); /* Tlow */ + + np = of_find_compatible_node(NULL, NULL, "adi,ad7414"); + if (np == NULL) { + printk(KERN_ERR __FILE__ ": Unable to find ad7414\n"); + return; + } + + irq = irq_of_parse_and_map(np, 0); + of_node_put(np); + if (irq == NO_IRQ) { + printk(KERN_ERR __FILE__ ": Unable to get ad7414 irq\n"); + return; + } + + rc = request_irq(irq, temp_isr, 0, "ad7414", NULL); + if (rc) { + printk(KERN_ERR __FILE__ + ": Unable to request ad7414 irq %d = %d\n", irq, rc); + return; + } +} + +static inline void pika_dtm_check_fan(void __iomem *fpga) +{ + static int fan_state; + u32 fan = in_be32(fpga + 0x34) & (1 << 14); + + if (fan_state != fan) { + fan_state = fan; + if (fan) + printk(KERN_WARNING "Fan rotation error detected." + " Please check hardware.\n"); + } +} -#ifdef CONFIG_SENSORS_AD7414 static int pika_dtm_thread(void __iomem *fpga) { - extern int ad7414_get_temp(int index); + struct i2c_adapter *adap; + struct i2c_client *client; + + /* We loop in case either driver was compiled as a module and + * has not been insmoded yet. + */ + while (!(adap = i2c_get_adapter(0))) { + set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout(HZ); + } + + while (1) { + list_for_each_entry(client, &adap->clients, list) + if (client->addr == 0x4a) + goto found_it; + + set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout(HZ); + } + +found_it: + i2c_put_adapter(adap); + + pika_setup_critical_temp(client); + + printk(KERN_INFO "PIKA DTM thread running.\n"); while (!kthread_should_stop()) { - int temp = ad7414_get_temp(0); + u16 temp = swab16(i2c_smbus_read_word_data(client, 0)); + out_be32(fpga + 0x20, temp); - out_be32(fpga, temp); + pika_dtm_check_fan(fpga); set_current_state(TASK_INTERRUPTIBLE); schedule_timeout(HZ); @@ -115,37 +301,44 @@ static int pika_dtm_thread(void __iomem *fpga) return 0; } + static int __init pika_dtm_start(void) { struct task_struct *dtm_thread; struct device_node *np; - struct resource res; - void __iomem *fpga; np = of_find_compatible_node(NULL, NULL, "pika,fpga"); if (np == NULL) return -ENOENT; - /* We do not call of_iomap here since it would map in the entire - * fpga space, which is over 8k. - */ - if (of_address_to_resource(np, 0, &res)) { - of_node_put(np); - return -ENOENT; - } + dtm_fpga = of_iomap(np, 0); of_node_put(np); - - fpga = ioremap(res.start, 0x24); - if (fpga == NULL) + if (dtm_fpga == NULL) return -ENOENT; - dtm_thread = kthread_run(pika_dtm_thread, fpga + 0x20, "pika-dtm"); + dtm_thread = kthread_run(pika_dtm_thread, dtm_fpga, "pika-dtm"); if (IS_ERR(dtm_thread)) { - iounmap(fpga); + iounmap(dtm_fpga); return PTR_ERR(dtm_thread); } return 0; } -device_initcall(pika_dtm_start); +machine_late_initcall(warp, pika_dtm_start); + +#else /* !CONFIG_SENSORS_AD7414 */ + +int pika_dtm_register_shutdown(void (*func)(void *arg), void *arg) +{ + return 0; +} + +int pika_dtm_unregister_shutdown(void (*func)(void *arg), void *arg) +{ + return 0; +} + #endif + +EXPORT_SYMBOL(pika_dtm_register_shutdown); +EXPORT_SYMBOL(pika_dtm_unregister_shutdown); -- cgit v1.2.2 From 0023352f56f90d01de67f995e248fe4c5308a497 Mon Sep 17 00:00:00 2001 From: Jason Jin Date: Fri, 23 May 2008 16:32:47 +0800 Subject: [POWERPC] 86xx: Enable MSI support for MPC8610HPCD board This patch enable the MSI on 8610hpcd board. Through the msi-available-ranges property, All the 256 msi interrupts can be tested on this board. Signed-off-by: Jason Jin Signed-off-by: Kumar Gala --- arch/powerpc/platforms/86xx/mpc8610_hpcd.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c index dea13208bf64..eb16208b29d9 100644 --- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c +++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c @@ -70,7 +70,8 @@ static void __init mpc86xx_hpcd_init_irq(void) /* Alloc mpic structure and per isu has 16 INT entries. */ mpic1 = mpic_alloc(np, res.start, - MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, + MPIC_PRIMARY | MPIC_WANTS_RESET | + MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS, 0, 256, " MPIC "); BUG_ON(mpic1 == NULL); -- cgit v1.2.2 From 741edc494978bc2770e891b8cfadbca3246a3d1a Mon Sep 17 00:00:00 2001 From: Jason Jin Date: Fri, 23 May 2008 16:32:48 +0800 Subject: [POWERPC] 85xx: Enable MSI support for 85xxds board This patch enabled MSI on 8544ds and 8572ds board. So far only one MSI interrupt can generate on 8544 board. Signed-off-by: Jason Jin Signed-off-by: Kumar Gala --- arch/powerpc/platforms/85xx/mpc85xx_ds.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c index dfd8b4ad9b28..b010dc9dec65 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c @@ -78,7 +78,8 @@ void __init mpc85xx_ds_pic_init(void) } mpic = mpic_alloc(np, r.start, - MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, + MPIC_PRIMARY | MPIC_WANTS_RESET | + MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS, 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); @@ -195,6 +196,7 @@ static int __init mpc85xxds_publish_devices(void) return of_platform_bus_probe(NULL, mpc85xxds_ids, NULL); } machine_device_initcall(mpc8544_ds, mpc85xxds_publish_devices); +machine_device_initcall(mpc8572_ds, mpc85xxds_publish_devices); /* * Called very early, device-tree isn't unflattened -- cgit v1.2.2 From 59d13f9dba56c444e5356b42d3d57b46e44ef975 Mon Sep 17 00:00:00 2001 From: Bryan O'Donoghue Date: Thu, 8 May 2008 13:47:00 +0100 Subject: [POWERPC] 83xx: Add support for Analogue & Micro ASP837E board The following adds support for the Analogue & Micro ASP 8347E, running Redboot. http://www.analogue-micro.com/ASP8347.html Signed-off-by: Bryan O'Donoghue Signed-off-by: Kumar Gala --- arch/powerpc/platforms/83xx/Kconfig | 9 ++++ arch/powerpc/platforms/83xx/Makefile | 1 + arch/powerpc/platforms/83xx/asp834x.c | 90 +++++++++++++++++++++++++++++++++++ 3 files changed, 100 insertions(+) create mode 100644 arch/powerpc/platforms/83xx/asp834x.c (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig index 13587e2e8680..583b0c7409c9 100644 --- a/arch/powerpc/platforms/83xx/Kconfig +++ b/arch/powerpc/platforms/83xx/Kconfig @@ -79,6 +79,15 @@ config SBC834x help This option enables support for the Wind River SBC834x board. +config ASP834x + bool "Analogue & Micro ASP 834x" + select PPC_MPC834x + select REDBOOT + help + This enables support for the Analogue & Micro ASP 83xx + board. + + endif # used for usb diff --git a/arch/powerpc/platforms/83xx/Makefile b/arch/powerpc/platforms/83xx/Makefile index 7e6dd3e259d8..76494bed69ae 100644 --- a/arch/powerpc/platforms/83xx/Makefile +++ b/arch/powerpc/platforms/83xx/Makefile @@ -12,3 +12,4 @@ obj-$(CONFIG_MPC832x_MDS) += mpc832x_mds.o obj-$(CONFIG_MPC837x_MDS) += mpc837x_mds.o obj-$(CONFIG_SBC834x) += sbc834x.o obj-$(CONFIG_MPC837x_RDB) += mpc837x_rdb.o +obj-$(CONFIG_ASP834x) += asp834x.o diff --git a/arch/powerpc/platforms/83xx/asp834x.c b/arch/powerpc/platforms/83xx/asp834x.c new file mode 100644 index 000000000000..bb30d67ad0a2 --- /dev/null +++ b/arch/powerpc/platforms/83xx/asp834x.c @@ -0,0 +1,90 @@ +/* + * arch/powerpc/platforms/83xx/asp834x.c + * + * Analogue & Micro ASP8347 board specific routines + * clone of mpc834x_itx + * + * Copyright 2008 Codehermit + * + * Maintainer: Bryan O'Donoghue + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include +#include + +#include +#include +#include + +#include "mpc83xx.h" + +/* ************************************************************************ + * + * Setup the architecture + * + */ +static void __init asp834x_setup_arch(void) +{ + if (ppc_md.progress) + ppc_md.progress("asp834x_setup_arch()", 0); + + mpc834x_usb_cfg(); +} + +static void __init asp834x_init_IRQ(void) +{ + struct device_node *np; + + np = of_find_node_by_type(NULL, "ipic"); + if (!np) + return; + + ipic_init(np, 0); + + of_node_put(np); + + /* Initialize the default interrupt mapping priorities, + * in case the boot rom changed something on us. + */ + ipic_set_default_priority(); +} + +static struct __initdata of_device_id asp8347_ids[] = { + { .type = "soc", }, + { .compatible = "soc", }, + { .compatible = "simple-bus", }, + {}, +}; + +static int __init asp8347_declare_of_platform_devices(void) +{ + of_platform_bus_probe(NULL, asp8347_ids, NULL); + return 0; +} +machine_device_initcall(asp834x, asp8347_declare_of_platform_devices); + +/* + * Called very early, MMU is off, device-tree isn't unflattened + */ +static int __init asp834x_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + return of_flat_dt_is_compatible(root, "analogue-and-micro,asp8347e"); +} + +define_machine(asp834x) { + .name = "ASP8347E", + .probe = asp834x_probe, + .setup_arch = asp834x_setup_arch, + .init_IRQ = asp834x_init_IRQ, + .get_irq = ipic_get_irq, + .restart = mpc83xx_restart, + .time_init = mpc83xx_time_init, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +}; -- cgit v1.2.2 From 9307245765108a7ec827ef936560f333447c45ef Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 2 Jun 2008 10:59:02 +0100 Subject: mpc52xx_gpio iomem annotations Signed-off-by: Al Viro Signed-off-by: Linus Torvalds --- arch/powerpc/platforms/52xx/mpc52xx_gpio.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpio.c b/arch/powerpc/platforms/52xx/mpc52xx_gpio.c index 48da5dfe4856..8a455ebce98d 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_gpio.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_gpio.c @@ -100,7 +100,7 @@ static int mpc52xx_wkup_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio) struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); struct mpc52xx_gpiochip *chip = container_of(mm_gc, struct mpc52xx_gpiochip, mmchip); - struct mpc52xx_gpio_wkup *regs = mm_gc->regs; + struct mpc52xx_gpio_wkup __iomem *regs = mm_gc->regs; unsigned long flags; spin_lock_irqsave(&gpio_lock, flags); @@ -122,7 +122,7 @@ static int mpc52xx_wkup_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) { struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct mpc52xx_gpio_wkup *regs = mm_gc->regs; + struct mpc52xx_gpio_wkup __iomem *regs = mm_gc->regs; struct mpc52xx_gpiochip *chip = container_of(mm_gc, struct mpc52xx_gpiochip, mmchip); unsigned long flags; @@ -150,7 +150,7 @@ static int __devinit mpc52xx_wkup_gpiochip_probe(struct of_device *ofdev, const struct of_device_id *match) { struct mpc52xx_gpiochip *chip; - struct mpc52xx_gpio_wkup *regs; + struct mpc52xx_gpio_wkup __iomem *regs; struct of_gpio_chip *ofchip; int ret; @@ -260,7 +260,7 @@ static int mpc52xx_simple_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio) struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); struct mpc52xx_gpiochip *chip = container_of(mm_gc, struct mpc52xx_gpiochip, mmchip); - struct mpc52xx_gpio *regs = mm_gc->regs; + struct mpc52xx_gpio __iomem *regs = mm_gc->regs; unsigned long flags; spin_lock_irqsave(&gpio_lock, flags); @@ -284,7 +284,7 @@ mpc52xx_simple_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); struct mpc52xx_gpiochip *chip = container_of(mm_gc, struct mpc52xx_gpiochip, mmchip); - struct mpc52xx_gpio *regs = mm_gc->regs; + struct mpc52xx_gpio __iomem *regs = mm_gc->regs; unsigned long flags; spin_lock_irqsave(&gpio_lock, flags); @@ -312,7 +312,7 @@ static int __devinit mpc52xx_simple_gpiochip_probe(struct of_device *ofdev, { struct mpc52xx_gpiochip *chip; struct of_gpio_chip *ofchip; - struct mpc52xx_gpio *regs; + struct mpc52xx_gpio __iomem *regs; int ret; chip = kzalloc(sizeof(*chip), GFP_KERNEL); @@ -387,7 +387,7 @@ mpc52xx_gpt_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) static int mpc52xx_gpt_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio) { struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct mpc52xx_gpt *regs = mm_gc->regs; + struct mpc52xx_gpt __iomem *regs = mm_gc->regs; out_be32(®s->mode, 0x04); -- cgit v1.2.2 From c409d52bd1f16b37d35a50162cbf6401011f1135 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 2 Jun 2008 10:59:02 +0100 Subject: celleb_scc_pciex endianness misannotations Signed-off-by: Al Viro Signed-off-by: Linus Torvalds --- arch/powerpc/platforms/cell/celleb_scc_pciex.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/cell/celleb_scc_pciex.c b/arch/powerpc/platforms/cell/celleb_scc_pciex.c index 31da84c458d2..0e04f8fb152a 100644 --- a/arch/powerpc/platforms/cell/celleb_scc_pciex.c +++ b/arch/powerpc/platforms/cell/celleb_scc_pciex.c @@ -217,7 +217,7 @@ static u##size scc_pciex_in##name(unsigned long port) \ static void scc_pciex_ins##name(unsigned long p, void *b, unsigned long c) \ { \ struct iowa_bus *bus = iowa_pio_find_bus(p); \ - u##size *dst = b; \ + __le##size *dst = b; \ for (; c != 0; c--, dst++) \ *dst = cpu_to_le##size(__scc_pciex_in##name(bus->phb, p)); \ scc_pciex_io_flush(bus); \ @@ -231,10 +231,11 @@ static void scc_pciex_outs##name(unsigned long p, const void *b, \ unsigned long c) \ { \ struct iowa_bus *bus = iowa_pio_find_bus(p); \ - const u##size *src = b; \ + const __le##size *src = b; \ for (; c != 0; c--, src++) \ __scc_pciex_out##name(bus->phb, le##size##_to_cpu(*src), p); \ } +#define __le8 u8 #define cpu_to_le8(x) (x) #define le8_to_cpu(x) (x) PCIEX_PIO_FUNC(8, b) -- cgit v1.2.2 From 46388c0d88add1c39926cd415039fe931edd5829 Mon Sep 17 00:00:00 2001 From: Remi Machet Date: Sat, 17 May 2008 05:31:04 +1000 Subject: powerpc: C2K board driver Support for the C2K cPCI Single Board Computer from GEFanuc (PowerPC MPC7448 with a Marvell MV64460 chipset). All features of the board are not supported yet, but the board boots, flash works, all Ethernet ports are working and PCI devices are all found (USB and SATA on PCI1 do not work yet). Part 3 of 5: driver for the board. At this time it is very generic and similar to its original, the driver for the prpmc2800. Signed-off-by: Remi Machet Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/embedded6xx/Makefile | 1 + arch/powerpc/platforms/embedded6xx/c2k.c | 158 ++++++++++++++++++++++++++++ 2 files changed, 159 insertions(+) create mode 100644 arch/powerpc/platforms/embedded6xx/c2k.c (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/embedded6xx/Makefile b/arch/powerpc/platforms/embedded6xx/Makefile index 06524d3ffd2e..0773c08bd444 100644 --- a/arch/powerpc/platforms/embedded6xx/Makefile +++ b/arch/powerpc/platforms/embedded6xx/Makefile @@ -6,3 +6,4 @@ obj-$(CONFIG_LINKSTATION) += linkstation.o ls_uart.o obj-$(CONFIG_STORCENTER) += storcenter.o obj-$(CONFIG_PPC_HOLLY) += holly.o obj-$(CONFIG_PPC_PRPMC2800) += prpmc2800.o +obj-$(CONFIG_PPC_C2K) += c2k.o diff --git a/arch/powerpc/platforms/embedded6xx/c2k.c b/arch/powerpc/platforms/embedded6xx/c2k.c new file mode 100644 index 000000000000..d0b25b8c39d1 --- /dev/null +++ b/arch/powerpc/platforms/embedded6xx/c2k.c @@ -0,0 +1,158 @@ +/* + * Board setup routines for the GEFanuc C2K board + * + * Author: Remi Machet + * + * Originated from prpmc2800.c + * + * 2008 (c) Stanford University + * 2007 (c) MontaVista, Software, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include + +#include + +#define MV64x60_MPP_CNTL_0 0x0000 +#define MV64x60_MPP_CNTL_2 0x0008 + +#define MV64x60_GPP_IO_CNTL 0x0000 +#define MV64x60_GPP_LEVEL_CNTL 0x0010 +#define MV64x60_GPP_VALUE_SET 0x0018 + +static void __iomem *mv64x60_mpp_reg_base; +static void __iomem *mv64x60_gpp_reg_base; + +static void __init c2k_setup_arch(void) +{ + struct device_node *np; + phys_addr_t paddr; + const unsigned int *reg; + + /* + * ioremap mpp and gpp registers in case they are later + * needed by c2k_reset_board(). + */ + np = of_find_compatible_node(NULL, NULL, "marvell,mv64360-mpp"); + reg = of_get_property(np, "reg", NULL); + paddr = of_translate_address(np, reg); + of_node_put(np); + mv64x60_mpp_reg_base = ioremap(paddr, reg[1]); + + np = of_find_compatible_node(NULL, NULL, "marvell,mv64360-gpp"); + reg = of_get_property(np, "reg", NULL); + paddr = of_translate_address(np, reg); + of_node_put(np); + mv64x60_gpp_reg_base = ioremap(paddr, reg[1]); + +#ifdef CONFIG_PCI + mv64x60_pci_init(); +#endif +} + +static void c2k_reset_board(void) +{ + u32 temp; + + local_irq_disable(); + + temp = in_le32(mv64x60_mpp_reg_base + MV64x60_MPP_CNTL_0); + temp &= 0xFFFF0FFF; + out_le32(mv64x60_mpp_reg_base + MV64x60_MPP_CNTL_0, temp); + + temp = in_le32(mv64x60_gpp_reg_base + MV64x60_GPP_LEVEL_CNTL); + temp |= 0x00000004; + out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_LEVEL_CNTL, temp); + + temp = in_le32(mv64x60_gpp_reg_base + MV64x60_GPP_IO_CNTL); + temp |= 0x00000004; + out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_IO_CNTL, temp); + + temp = in_le32(mv64x60_mpp_reg_base + MV64x60_MPP_CNTL_2); + temp &= 0xFFFF0FFF; + out_le32(mv64x60_mpp_reg_base + MV64x60_MPP_CNTL_2, temp); + + temp = in_le32(mv64x60_gpp_reg_base + MV64x60_GPP_LEVEL_CNTL); + temp |= 0x00080000; + out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_LEVEL_CNTL, temp); + + temp = in_le32(mv64x60_gpp_reg_base + MV64x60_GPP_IO_CNTL); + temp |= 0x00080000; + out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_IO_CNTL, temp); + + out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_VALUE_SET, 0x00080004); +} + +static void c2k_restart(char *cmd) +{ + c2k_reset_board(); + msleep(100); + panic("restart failed\n"); +} + +#ifdef CONFIG_NOT_COHERENT_CACHE +#define COHERENCY_SETTING "off" +#else +#define COHERENCY_SETTING "on" +#endif + +void c2k_show_cpuinfo(struct seq_file *m) +{ + uint memsize = total_memory; + + seq_printf(m, "Vendor\t\t: GEFanuc\n"); + seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024)); + seq_printf(m, "coherency\t: %s\n", COHERENCY_SETTING); +} + +/* + * Called very early, device-tree isn't unflattened + */ +static int __init c2k_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (!of_flat_dt_is_compatible(root, "GEFanuc,C2K")) + return 0; + + printk(KERN_INFO "Detected a GEFanuc C2K board\n"); + + _set_L2CR(0); + _set_L2CR(L2CR_L2E | L2CR_L2PE | L2CR_L2I); + return 1; +} + +define_machine(c2k) { + .name = "C2K", + .probe = c2k_probe, + .setup_arch = c2k_setup_arch, + .init_early = mv64x60_init_early, + .show_cpuinfo = c2k_show_cpuinfo, + .init_IRQ = mv64x60_init_irq, + .get_irq = mv64x60_get_irq, + .restart = c2k_restart, + .calibrate_decr = generic_calibrate_decr, +#ifdef CONFIG_KEXEC + .machine_kexec = default_machine_kexec, + .machine_kexec_prepare = default_machine_kexec_prepare, + .machine_crash_shutdown = default_machine_crash_shutdown, +#endif +}; -- cgit v1.2.2 From bacd73ae76c310bc3c71d21a2864746fd9696d3c Mon Sep 17 00:00:00 2001 From: Remi Machet Date: Fri, 16 May 2008 10:26:02 +1000 Subject: powerpc: Add C2K to configuration Support for the C2K cPCI Single Board Computer from GEFanuc (PowerPC MPC7448 with a Marvell MV64460 chipset). All features of the board are not supported yet, but the board boots, flash works, all Ethernet ports are working and PCI devices are all found (USB and SATA on PCI1 do not work yet). Part 5 of 5: add the Kconfig entry for the C2K board. Signed-off-by: Remi Machet Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/embedded6xx/Kconfig | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig index 429088967813..4f9f8184d164 100644 --- a/arch/powerpc/platforms/embedded6xx/Kconfig +++ b/arch/powerpc/platforms/embedded6xx/Kconfig @@ -59,6 +59,16 @@ config PPC_PRPMC2800 help This option enables support for the Motorola PrPMC2800 board +config PPC_C2K + bool "SBS/GEFanuc C2K board" + depends on EMBEDDED6xx + select MV64X60 + select NOT_COHERENT_CACHE + select MTD_CFI_I4 + help + This option enables support for the GE Fanuc C2K board (formerly + an SBS board). + config TSI108_BRIDGE bool select PCI -- cgit v1.2.2 From 997526db9fa408058f23de19c0e12abd9207276b Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Mon, 26 May 2008 12:12:30 +1000 Subject: powerpc: Rework Axon MSI setup so we can avoid freeing the irq_host If we do the call to irq_of_parse_and_map() first, then we don't need to worry about freeing the irq_host. Signed-off-by: Michael Ellerman Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/cell/axon_msi.c | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c index 8b055bce27fe..b43defb9918c 100644 --- a/arch/powerpc/platforms/cell/axon_msi.c +++ b/arch/powerpc/platforms/cell/axon_msi.c @@ -358,6 +358,13 @@ static int axon_msi_probe(struct of_device *device, goto out_free_msic; } + virq = irq_of_parse_and_map(dn, 0); + if (virq == NO_IRQ) { + printk(KERN_ERR "axon_msi: irq parse and map failed for %s\n", + dn->full_name); + goto out_free_fifo; + } + msic->irq_host = irq_alloc_host(of_node_get(dn), IRQ_HOST_MAP_NOMAP, NR_IRQS, &msic_host_ops, 0); if (!msic->irq_host) { @@ -368,13 +375,6 @@ static int axon_msi_probe(struct of_device *device, msic->irq_host->host_data = msic; - virq = irq_of_parse_and_map(dn, 0); - if (virq == NO_IRQ) { - printk(KERN_ERR "axon_msi: irq parse and map failed for %s\n", - dn->full_name); - goto out_free_host; - } - set_irq_data(virq, msic); set_irq_chained_handler(virq, axon_msi_cascade); pr_debug("axon_msi: irq 0x%x setup for axon_msi\n", virq); @@ -399,8 +399,6 @@ static int axon_msi_probe(struct of_device *device, return 0; -out_free_host: - kfree(msic->irq_host); out_free_fifo: dma_free_coherent(&device->dev, MSIC_FIFO_SIZE_BYTES, msic->fifo_virt, msic->fifo_phys); -- cgit v1.2.2 From 19fc65b5251dfd90312ae0142cc8650cd273e6a6 Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Mon, 26 May 2008 12:12:32 +1000 Subject: powerpc: Fix irq_alloc_host() reference counting and callers When I changed irq_alloc_host() to take an of_node (52964f87c64e6c6ea671b5bf3030fb1494090a48: "Add an optional device_node pointer to the irq_host"), I botched the reference counting semantics. Stephen pointed out that it's irq_alloc_host()'s business if it needs to take an additional reference to the device_node, the caller shouldn't need to care. Signed-off-by: Michael Ellerman Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/cell/axon_msi.c | 2 +- arch/powerpc/platforms/cell/spider-pic.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c index b43defb9918c..896548ba1ca1 100644 --- a/arch/powerpc/platforms/cell/axon_msi.c +++ b/arch/powerpc/platforms/cell/axon_msi.c @@ -365,7 +365,7 @@ static int axon_msi_probe(struct of_device *device, goto out_free_fifo; } - msic->irq_host = irq_alloc_host(of_node_get(dn), IRQ_HOST_MAP_NOMAP, + msic->irq_host = irq_alloc_host(dn, IRQ_HOST_MAP_NOMAP, NR_IRQS, &msic_host_ops, 0); if (!msic->irq_host) { printk(KERN_ERR "axon_msi: couldn't allocate irq_host for %s\n", diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c index 3f4b4aef756d..4e5655624ae8 100644 --- a/arch/powerpc/platforms/cell/spider-pic.c +++ b/arch/powerpc/platforms/cell/spider-pic.c @@ -300,7 +300,7 @@ static void __init spider_init_one(struct device_node *of_node, int chip, panic("spider_pic: can't map registers !"); /* Allocate a host */ - pic->host = irq_alloc_host(of_node_get(of_node), IRQ_HOST_MAP_LINEAR, + pic->host = irq_alloc_host(of_node, IRQ_HOST_MAP_LINEAR, SPIDER_SRC_COUNT, &spider_host_ops, SPIDER_IRQ_INVALID); if (pic->host == NULL) -- cgit v1.2.2 From c4ea896476d30514109f61f1a6e0d8e2b201e401 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Tue, 3 Jun 2008 13:36:19 -0500 Subject: [POWERPC] 85xx: MPC85xx MDS - Unconditionally select PHYLIB for board fixups The MPC85xx MDS board requires some board level tweaks of the PHYs that either the eTSEC (gianfar) or UCC ethernet controllers are connected to. Its possible to build the phylib as a module, however this breaks the board level fix ups because phy_read and phy_write are not available if we build as a module. So we unconditionally select PHYLIB to ensure its built into the kernel if we are building in MPC85xx MDS support. This was determined to be the easiest soultion even though it prevents the user from removing PHYLIB support if they decide they don't want it. Signed-off-by: Kumar Gala --- arch/powerpc/platforms/85xx/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig index 7ff29d53dc2d..ecbe580c3f32 100644 --- a/arch/powerpc/platforms/85xx/Kconfig +++ b/arch/powerpc/platforms/85xx/Kconfig @@ -34,6 +34,7 @@ config MPC85xx_MDS bool "Freescale MPC85xx MDS" select DEFAULT_UIMAGE select QUICC_ENGINE + select PHYLIB help This option enables support for the MPC85xx MDS board -- cgit v1.2.2 From 4fb035f69e3d08506b65d33b97be1b0e78af39a2 Mon Sep 17 00:00:00 2001 From: Wolfgang Grandegger Date: Fri, 6 Jun 2008 13:50:03 +0200 Subject: powerpc/85xx: correct vendor prefix in DTS files for TQM85xx modules Like for the TQM5200, the vendor prefix "tqc," is now used for all TQM85xx modules from TQ-Components GmbH (http://www.tqc.de) in the corresponding DTS files. Signed-off-by: Wolfgang Grandegger Signed-off-by: Kumar Gala --- arch/powerpc/platforms/85xx/tqm85xx.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/85xx/tqm85xx.c b/arch/powerpc/platforms/85xx/tqm85xx.c index 77681acf1bae..a682cbcdfb9e 100644 --- a/arch/powerpc/platforms/85xx/tqm85xx.c +++ b/arch/powerpc/platforms/85xx/tqm85xx.c @@ -165,10 +165,10 @@ static int __init tqm85xx_probe(void) { unsigned long root = of_get_flat_dt_root(); - if ((of_flat_dt_is_compatible(root, "tqm,8540")) || - (of_flat_dt_is_compatible(root, "tqm,8541")) || - (of_flat_dt_is_compatible(root, "tqm,8555")) || - (of_flat_dt_is_compatible(root, "tqm,8560"))) + if ((of_flat_dt_is_compatible(root, "tqc,tqm8540")) || + (of_flat_dt_is_compatible(root, "tqc,tqm8541")) || + (of_flat_dt_is_compatible(root, "tqc,tqm8555")) || + (of_flat_dt_is_compatible(root, "tqc,tqm8560"))) return 1; return 0; -- cgit v1.2.2 From 6dd1b64a26d9209c09488e9fa257e7744823bf29 Mon Sep 17 00:00:00 2001 From: Wolfgang Grandegger Date: Fri, 6 Jun 2008 13:50:04 +0200 Subject: powerpc/85xx: add board support for the TQM8548 modules This patch adds support for the TQM8548 modules from TQ-Components GmbH (http://www.tqc.de). Signed-off-by: Wolfgang Grandegger Signed-off-by: Kumar Gala --- arch/powerpc/platforms/85xx/Kconfig | 8 ++++++++ arch/powerpc/platforms/85xx/tqm85xx.c | 15 +++++++++++++-- 2 files changed, 21 insertions(+), 2 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig index 7ff29d53dc2d..91d67ee8e6db 100644 --- a/arch/powerpc/platforms/85xx/Kconfig +++ b/arch/powerpc/platforms/85xx/Kconfig @@ -74,6 +74,14 @@ config TQM8541 select TQM85xx select CPM2 +config TQM8548 + bool "TQ Components TQM8548" + help + This option enables support for the TQ Components TQM8548 board. + select DEFAULT_UIMAGE + select PPC_CPM_NEW_BINDING + select TQM85xx + config TQM8555 bool "TQ Components TQM8555" help diff --git a/arch/powerpc/platforms/85xx/tqm85xx.c b/arch/powerpc/platforms/85xx/tqm85xx.c index a682cbcdfb9e..d850880d6964 100644 --- a/arch/powerpc/platforms/85xx/tqm85xx.c +++ b/arch/powerpc/platforms/85xx/tqm85xx.c @@ -120,8 +120,18 @@ static void __init tqm85xx_setup_arch(void) #endif #ifdef CONFIG_PCI - for_each_compatible_node(np, "pci", "fsl,mpc8540-pci") - fsl_add_bridge(np, 1); + for_each_node_by_type(np, "pci") { + if (of_device_is_compatible(np, "fsl,mpc8540-pci") || + of_device_is_compatible(np, "fsl,mpc8548-pcie")) { + struct resource rsrc; + if (!of_address_to_resource(np, 0, &rsrc)) { + if ((rsrc.start & 0xfffff) == 0x8000) + fsl_add_bridge(np, 1); + else + fsl_add_bridge(np, 0); + } + } + } #endif } @@ -167,6 +177,7 @@ static int __init tqm85xx_probe(void) if ((of_flat_dt_is_compatible(root, "tqc,tqm8540")) || (of_flat_dt_is_compatible(root, "tqc,tqm8541")) || + (of_flat_dt_is_compatible(root, "tqc,tqm8548")) || (of_flat_dt_is_compatible(root, "tqc,tqm8555")) || (of_flat_dt_is_compatible(root, "tqc,tqm8560"))) return 1; -- cgit v1.2.2 From b13e930906b313d787f4dd07fe78b74a3a8c22c4 Mon Sep 17 00:00:00 2001 From: Anton Vorontsov Date: Fri, 23 May 2008 20:39:01 +0400 Subject: powerpc/83xx: new board support: MPC8360E-RDK This is patch adds board file, device tree, and defconfig for the new board, made by Freescale Semiconductor Inc. and Logic Product Development. Currently supported: 1. UEC{1,2,7,4}; 2. I2C; 3. SPI; 4. NS16550 serial; 5. PCI and miniPCI; 6. Intel NOR StrataFlash X16 64Mbit PC28F640P30T85; 7. Graphics controller, Fujitsu MB86277. Not supported in this patch: 1. StMICRO NAND512W3A2BN6E, 512 Mbit (supported with FSL UPM NAND driver); 2. FHCI USB (supported with FHCI driver). 3. QE Serial UCCs (tested to not work with ucc_uart driver, reason unknown, yet); 4. ADC AD7843 (tested to work, but support via device tree depends on major SPI rework, GPIO API, etc); Signed-off-by: Anton Vorontsov Signed-off-by: Kumar Gala --- arch/powerpc/platforms/83xx/Kconfig | 11 ++++ arch/powerpc/platforms/83xx/Makefile | 1 + arch/powerpc/platforms/83xx/mpc836x_rdk.c | 102 ++++++++++++++++++++++++++++++ 3 files changed, 114 insertions(+) create mode 100644 arch/powerpc/platforms/83xx/mpc836x_rdk.c (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig index 583b0c7409c9..fe75b2ac3c9f 100644 --- a/arch/powerpc/platforms/83xx/Kconfig +++ b/arch/powerpc/platforms/83xx/Kconfig @@ -58,6 +58,17 @@ config MPC836x_MDS help This option enables support for the MPC836x MDS Processor Board. +config MPC836x_RDK + bool "Freescale/Logic MPC836x RDK" + select DEFAULT_UIMAGE + select QUICC_ENGINE + select QE_GPIO + select FSL_GTM + select FSL_LBC + help + This option enables support for the MPC836x RDK Processor Board, + also known as ZOOM PowerQUICC Kit. + config MPC837x_MDS bool "Freescale MPC837x MDS" select DEFAULT_UIMAGE diff --git a/arch/powerpc/platforms/83xx/Makefile b/arch/powerpc/platforms/83xx/Makefile index 76494bed69ae..f331fd7dd836 100644 --- a/arch/powerpc/platforms/83xx/Makefile +++ b/arch/powerpc/platforms/83xx/Makefile @@ -8,6 +8,7 @@ obj-$(CONFIG_MPC832x_RDB) += mpc832x_rdb.o obj-$(CONFIG_MPC834x_MDS) += mpc834x_mds.o obj-$(CONFIG_MPC834x_ITX) += mpc834x_itx.o obj-$(CONFIG_MPC836x_MDS) += mpc836x_mds.o +obj-$(CONFIG_MPC836x_RDK) += mpc836x_rdk.o obj-$(CONFIG_MPC832x_MDS) += mpc832x_mds.o obj-$(CONFIG_MPC837x_MDS) += mpc837x_mds.o obj-$(CONFIG_SBC834x) += sbc834x.o diff --git a/arch/powerpc/platforms/83xx/mpc836x_rdk.c b/arch/powerpc/platforms/83xx/mpc836x_rdk.c new file mode 100644 index 000000000000..c10dec4bf178 --- /dev/null +++ b/arch/powerpc/platforms/83xx/mpc836x_rdk.c @@ -0,0 +1,102 @@ +/* + * MPC8360E-RDK board file. + * + * Copyright (c) 2006 Freescale Semicondutor, Inc. + * Copyright (c) 2007-2008 MontaVista Software, Inc. + * + * Author: Anton Vorontsov + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "mpc83xx.h" + +static struct of_device_id __initdata mpc836x_rdk_ids[] = { + { .compatible = "simple-bus", }, + {}, +}; + +static int __init mpc836x_rdk_declare_of_platform_devices(void) +{ + return of_platform_bus_probe(NULL, mpc836x_rdk_ids, NULL); +} +machine_device_initcall(mpc836x_rdk, mpc836x_rdk_declare_of_platform_devices); + +static void __init mpc836x_rdk_setup_arch(void) +{ +#ifdef CONFIG_PCI + struct device_node *np; +#endif + + if (ppc_md.progress) + ppc_md.progress("mpc836x_rdk_setup_arch()", 0); + +#ifdef CONFIG_PCI + for_each_compatible_node(np, "pci", "fsl,mpc8349-pci") + mpc83xx_add_bridge(np); +#endif + + qe_reset(); +} + +static void __init mpc836x_rdk_init_IRQ(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "fsl,ipic"); + if (!np) + return; + + ipic_init(np, 0); + + /* + * Initialize the default interrupt mapping priorities, + * in case the boot rom changed something on us. + */ + ipic_set_default_priority(); + of_node_put(np); + + np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic"); + if (!np) + return; + + qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic); + of_node_put(np); +} + +/* + * Called very early, MMU is off, device-tree isn't unflattened. + */ +static int __init mpc836x_rdk_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "fsl,mpc8360rdk"); +} + +define_machine(mpc836x_rdk) { + .name = "MPC836x RDK", + .probe = mpc836x_rdk_probe, + .setup_arch = mpc836x_rdk_setup_arch, + .init_IRQ = mpc836x_rdk_init_IRQ, + .get_irq = ipic_get_irq, + .restart = mpc83xx_restart, + .time_init = mpc83xx_time_init, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +}; -- cgit v1.2.2 From 156cea23acffaa270cf243a3a0f43e1e30682081 Mon Sep 17 00:00:00 2001 From: Valentine Barshak Date: Thu, 5 Jun 2008 23:36:38 +1000 Subject: powerpc/4xx: Fix resource issue in warp-nand.c The "ndfc-chip" device doesn't need any resources. All resources are handled by the "ndfc-nand" device. Registering the same memory resource twice causes "cat /proc/iomem" to go into an infinite loop displaying NDFC memory addresses. Signed-off-by: Valentine Barshak Acked-by: Stefan Roese Acked-by: Sean MacLennan Signed-off-by: Josh Boyer --- arch/powerpc/platforms/44x/warp-nand.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/44x/warp-nand.c b/arch/powerpc/platforms/44x/warp-nand.c index d293c702e734..7bec2815771a 100644 --- a/arch/powerpc/platforms/44x/warp-nand.c +++ b/arch/powerpc/platforms/44x/warp-nand.c @@ -94,8 +94,7 @@ static struct platform_nand_chip warp_nand_chip0 = { static struct platform_device warp_nand_device = { .name = "ndfc-chip", .id = 0, - .num_resources = 1, - .resource = &warp_ndfc, + .num_resources = 0, .dev = { .platform_data = &warp_nand_chip0, .parent = &warp_ndfc_device.dev, -- cgit v1.2.2 From b6014e15bc38a33cf9591d33674dd870027cb623 Mon Sep 17 00:00:00 2001 From: Giuseppe Coviello Date: Tue, 20 May 2008 01:20:47 +1000 Subject: powerpc/4xx: Sam440ep support The Sam440ep is an high customizable general purpose mini-itx board, based on the AMCC 440EP and with a LatticeXP FPGA onboard. It's poduced by ACube Systems Srl (Bassano del Grappa, Italy), http://www.acube-systems.biz. Signed-off-by: Giuseppe Coviello Signed-off-by: Josh Boyer --- arch/powerpc/platforms/44x/Kconfig | 9 ++++ arch/powerpc/platforms/44x/Makefile | 1 + arch/powerpc/platforms/44x/sam440ep.c | 79 +++++++++++++++++++++++++++++++++++ 3 files changed, 89 insertions(+) create mode 100644 arch/powerpc/platforms/44x/sam440ep.c (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig index 6abe91357eee..bee49ca704ef 100644 --- a/arch/powerpc/platforms/44x/Kconfig +++ b/arch/powerpc/platforms/44x/Kconfig @@ -17,6 +17,15 @@ config EBONY help This option enables support for the IBM PPC440GP evaluation board. +config SAM440EP + bool "Sam440ep" + depends on 44x + default n + select 440EP + select PCI + help + This option enables support for the ACube Sam440ep board. + config SEQUOIA bool "Sequoia" depends on 44x diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile index 774165f9acdd..4e71e77f9a23 100644 --- a/arch/powerpc/platforms/44x/Makefile +++ b/arch/powerpc/platforms/44x/Makefile @@ -3,6 +3,7 @@ obj-$(CONFIG_EBONY) += ebony.o obj-$(CONFIG_TAISHAN) += taishan.o obj-$(CONFIG_BAMBOO) += bamboo.o obj-$(CONFIG_YOSEMITE) += bamboo.o +obj-$(CONFIG_SAM440EP) += sam440ep.o obj-$(CONFIG_SEQUOIA) += sequoia.o obj-$(CONFIG_KATMAI) += katmai.o obj-$(CONFIG_RAINIER) += rainier.o diff --git a/arch/powerpc/platforms/44x/sam440ep.c b/arch/powerpc/platforms/44x/sam440ep.c new file mode 100644 index 000000000000..47f10e647735 --- /dev/null +++ b/arch/powerpc/platforms/44x/sam440ep.c @@ -0,0 +1,79 @@ +/* + * Sam440ep board specific routines based off bamboo.c code + * original copyrights below + * + * Wade Farnsworth + * Copyright 2004 MontaVista Software Inc. + * + * Rewritten and ported to the merged powerpc tree: + * Josh Boyer + * Copyright 2007 IBM Corporation + * + * Modified from bamboo.c for sam440ep: + * Copyright 2008 Giuseppe Coviello + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +static __initdata struct of_device_id sam440ep_of_bus[] = { + { .compatible = "ibm,plb4", }, + { .compatible = "ibm,opb", }, + { .compatible = "ibm,ebc", }, + {}, +}; + +static int __init sam440ep_device_probe(void) +{ + of_platform_bus_probe(NULL, sam440ep_of_bus, NULL); + + return 0; +} +machine_device_initcall(sam440ep, sam440ep_device_probe); + +static int __init sam440ep_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (!of_flat_dt_is_compatible(root, "acube,sam440ep")) + return 0; + + ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC; + + return 1; +} + +define_machine(sam440ep) { + .name = "Sam440ep", + .probe = sam440ep_probe, + .progress = udbg_progress, + .init_IRQ = uic_init_tree, + .get_irq = uic_get_irq, + .restart = ppc4xx_reset_system, + .calibrate_decr = generic_calibrate_decr, +}; + +static struct i2c_board_info sam440ep_rtc_info = { + .type = "m41st85", + .addr = 0x68, + .irq = -1, +}; + +static int sam440ep_setup_rtc(void) +{ + return i2c_register_board_info(0, &sam440ep_rtc_info, 1); +} +machine_device_initcall(sam440ep, sam440ep_setup_rtc); -- cgit v1.2.2 From d84050f48ebba73994b93ccf61cea2364dac8d75 Mon Sep 17 00:00:00 2001 From: Luke Browning Date: Thu, 29 May 2008 17:46:10 -0300 Subject: powerpc/spufs: wait for stable spu status in spu_stopped() If the spu is stopping (ie, the SPU_STATUS_RUNNING bit is still set), re-read the register to get the final stopped value. Signed-off-by: Luke Browning Signed-off-by: Jeremy Kerr --- arch/powerpc/platforms/cell/spufs/run.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c index b7493b865812..0046bcfe495a 100644 --- a/arch/powerpc/platforms/cell/spufs/run.c +++ b/arch/powerpc/platforms/cell/spufs/run.c @@ -51,14 +51,22 @@ int spu_stopped(struct spu_context *ctx, u32 *stat) u64 dsisr; u32 stopped; - *stat = ctx->ops->status_read(ctx); + stopped = SPU_STATUS_INVALID_INSTR | SPU_STATUS_SINGLE_STEP | + SPU_STATUS_STOPPED_BY_HALT | SPU_STATUS_STOPPED_BY_STOP; - if (test_bit(SPU_SCHED_NOTIFY_ACTIVE, &ctx->sched_flags)) +top: + *stat = ctx->ops->status_read(ctx); + if (*stat & stopped) { + /* + * If the spu hasn't finished stopping, we need to + * re-read the register to get the stopped value. + */ + if (*stat & SPU_STATUS_RUNNING) + goto top; return 1; + } - stopped = SPU_STATUS_INVALID_INSTR | SPU_STATUS_SINGLE_STEP | - SPU_STATUS_STOPPED_BY_HALT | SPU_STATUS_STOPPED_BY_STOP; - if (!(*stat & SPU_STATUS_RUNNING) && (*stat & stopped)) + if (test_bit(SPU_SCHED_NOTIFY_ACTIVE, &ctx->sched_flags)) return 1; dsisr = ctx->csa.class_0_dsisr; -- cgit v1.2.2 From 1f64643aa5f5a17f1723f7ea0f17b7a3a8f632b3 Mon Sep 17 00:00:00 2001 From: Luke Browning Date: Thu, 5 Jun 2008 17:30:25 +0800 Subject: powerpc/spufs: remove class_0_dsisr from spu exception handling According to the CBEA, the SPU dsisr is not updated for class 0 exceptions. spu_stopped() is testing the dsisr that was passed to it from the class 0 exception handler, so we return a false positive here. This patch cleans up the interrupt handler and erroneous tests in spu_stopped. It also removes the fields from the csa since it is not needed to process class 0 events. Signed-off-by: Luke Browning Signed-off-by: Jeremy Kerr --- arch/powerpc/platforms/cell/spu_base.c | 2 -- arch/powerpc/platforms/cell/spufs/run.c | 5 ----- 2 files changed, 7 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c index 70c660121ec4..96b5f0f1c11e 100644 --- a/arch/powerpc/platforms/cell/spu_base.c +++ b/arch/powerpc/platforms/cell/spu_base.c @@ -324,14 +324,12 @@ spu_irq_class_0(int irq, void *data) stat = spu_int_stat_get(spu, 0) & mask; spu->class_0_pending |= stat; - spu->class_0_dsisr = spu_mfc_dsisr_get(spu); spu->class_0_dar = spu_mfc_dar_get(spu); spin_unlock(&spu->register_lock); spu->stop_callback(spu, 0); spu->class_0_pending = 0; - spu->class_0_dsisr = 0; spu->class_0_dar = 0; spu_int_stat_clear(spu, 0, stat); diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c index 0046bcfe495a..f7edba6cb795 100644 --- a/arch/powerpc/platforms/cell/spufs/run.c +++ b/arch/powerpc/platforms/cell/spufs/run.c @@ -27,7 +27,6 @@ void spufs_stop_callback(struct spu *spu, int irq) switch(irq) { case 0 : ctx->csa.class_0_pending = spu->class_0_pending; - ctx->csa.class_0_dsisr = spu->class_0_dsisr; ctx->csa.class_0_dar = spu->class_0_dar; break; case 1 : @@ -69,10 +68,6 @@ top: if (test_bit(SPU_SCHED_NOTIFY_ACTIVE, &ctx->sched_flags)) return 1; - dsisr = ctx->csa.class_0_dsisr; - if (dsisr & (MFC_DSISR_PTE_NOT_FOUND | MFC_DSISR_ACCESS_DENIED)) - return 1; - dsisr = ctx->csa.class_1_dsisr; if (dsisr & (MFC_DSISR_PTE_NOT_FOUND | MFC_DSISR_ACCESS_DENIED)) return 1; -- cgit v1.2.2 From 2c911a14b74fa9cf815a936f310e4fa85bee77ce Mon Sep 17 00:00:00 2001 From: Luke Browning Date: Fri, 13 Jun 2008 14:17:35 +1000 Subject: powerpc/spufs: synchronize interaction between spu exception handling and time slicing Time slicing can occur at the same time as spu exception handling resulting in the wakeup of the wrong thread. This change uses the the spu's register_lock to enforce synchronization between bind/unbind and spu exception handling so that they are mutually exclusive. Signed-off-by: Luke Browning Signed-off-by: Jeremy Kerr --- arch/powerpc/platforms/cell/spu_base.c | 42 +++++++++++++++++++------------ arch/powerpc/platforms/cell/spufs/sched.c | 14 ++++++++--- 2 files changed, 37 insertions(+), 19 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c index 96b5f0f1c11e..78f905bc6a42 100644 --- a/arch/powerpc/platforms/cell/spu_base.c +++ b/arch/powerpc/platforms/cell/spu_base.c @@ -219,15 +219,25 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea) extern int hash_page(unsigned long ea, unsigned long access, unsigned long trap); //XXX static int __spu_trap_data_map(struct spu *spu, unsigned long ea, u64 dsisr) { + int ret; + pr_debug("%s, %lx, %lx\n", __func__, dsisr, ea); - /* Handle kernel space hash faults immediately. - User hash faults need to be deferred to process context. */ - if ((dsisr & MFC_DSISR_PTE_NOT_FOUND) - && REGION_ID(ea) != USER_REGION_ID - && hash_page(ea, _PAGE_PRESENT, 0x300) == 0) { - spu_restart_dma(spu); - return 0; + /* + * Handle kernel space hash faults immediately. User hash + * faults need to be deferred to process context. + */ + if ((dsisr & MFC_DSISR_PTE_NOT_FOUND) && + (REGION_ID(ea) != USER_REGION_ID)) { + + spin_unlock(&spu->register_lock); + ret = hash_page(ea, _PAGE_PRESENT, 0x300); + spin_lock(&spu->register_lock); + + if (!ret) { + spu_restart_dma(spu); + return 0; + } } spu->class_1_dar = ea; @@ -325,14 +335,12 @@ spu_irq_class_0(int irq, void *data) spu->class_0_pending |= stat; spu->class_0_dar = spu_mfc_dar_get(spu); - spin_unlock(&spu->register_lock); - spu->stop_callback(spu, 0); - spu->class_0_pending = 0; spu->class_0_dar = 0; spu_int_stat_clear(spu, 0, stat); + spin_unlock(&spu->register_lock); return IRQ_HANDLED; } @@ -355,13 +363,12 @@ spu_irq_class_1(int irq, void *data) spu_mfc_dsisr_set(spu, 0ul); spu_int_stat_clear(spu, 1, stat); - if (stat & CLASS1_SEGMENT_FAULT_INTR) - __spu_trap_data_seg(spu, dar); - - spin_unlock(&spu->register_lock); pr_debug("%s: %lx %lx %lx %lx\n", __func__, mask, stat, dar, dsisr); + if (stat & CLASS1_SEGMENT_FAULT_INTR) + __spu_trap_data_seg(spu, dar); + if (stat & CLASS1_STORAGE_FAULT_INTR) __spu_trap_data_map(spu, dar, dsisr); @@ -374,6 +381,8 @@ spu_irq_class_1(int irq, void *data) spu->class_1_dsisr = 0; spu->class_1_dar = 0; + spin_unlock(&spu->register_lock); + return stat ? IRQ_HANDLED : IRQ_NONE; } @@ -392,14 +401,12 @@ spu_irq_class_2(int irq, void *data) mask = spu_int_mask_get(spu, 2); /* ignore interrupts we're not waiting for */ stat &= mask; - /* mailbox interrupts are level triggered. mask them now before * acknowledging */ if (stat & mailbox_intrs) spu_int_mask_and(spu, 2, ~(stat & mailbox_intrs)); /* acknowledge all interrupts before the callbacks */ spu_int_stat_clear(spu, 2, stat); - spin_unlock(&spu->register_lock); pr_debug("class 2 interrupt %d, %lx, %lx\n", irq, stat, mask); @@ -419,6 +426,9 @@ spu_irq_class_2(int irq, void *data) spu->wbox_callback(spu); spu->stats.class2_intr++; + + spin_unlock(&spu->register_lock); + return stat ? IRQ_HANDLED : IRQ_NONE; } diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index 745dd51ec37f..cd725670b1b5 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -230,19 +230,23 @@ static void spu_bind_context(struct spu *spu, struct spu_context *ctx) ctx->stats.slb_flt_base = spu->stats.slb_flt; ctx->stats.class2_intr_base = spu->stats.class2_intr; + spu_associate_mm(spu, ctx->owner); + + spin_lock_irq(&spu->register_lock); spu->ctx = ctx; spu->flags = 0; ctx->spu = spu; ctx->ops = &spu_hw_ops; spu->pid = current->pid; spu->tgid = current->tgid; - spu_associate_mm(spu, ctx->owner); spu->ibox_callback = spufs_ibox_callback; spu->wbox_callback = spufs_wbox_callback; spu->stop_callback = spufs_stop_callback; spu->mfc_callback = spufs_mfc_callback; - mb(); + spin_unlock_irq(&spu->register_lock); + spu_unmap_mappings(ctx); + spu_switch_log_notify(spu, ctx, SWITCH_LOG_START, 0); spu_restore(&ctx->csa, spu); spu->timestamp = jiffies; @@ -423,18 +427,22 @@ static void spu_unbind_context(struct spu *spu, struct spu_context *ctx) spu_unmap_mappings(ctx); spu_save(&ctx->csa, spu); spu_switch_log_notify(spu, ctx, SWITCH_LOG_STOP, 0); + + spin_lock_irq(&spu->register_lock); spu->timestamp = jiffies; ctx->state = SPU_STATE_SAVED; spu->ibox_callback = NULL; spu->wbox_callback = NULL; spu->stop_callback = NULL; spu->mfc_callback = NULL; - spu_associate_mm(spu, NULL); spu->pid = 0; spu->tgid = 0; ctx->ops = &spu_backing_ops; spu->flags = 0; spu->ctx = NULL; + spin_unlock_irq(&spu->register_lock); + + spu_associate_mm(spu, NULL); ctx->stats.slb_flt += (spu->stats.slb_flt - ctx->stats.slb_flt_base); -- cgit v1.2.2 From 028fda0a6c80c26f1d9f403b4490b9ddc74ffa3b Mon Sep 17 00:00:00 2001 From: Luke Browning Date: Mon, 16 Jun 2008 10:42:38 +1000 Subject: powerpc/spufs: fix missed stop-and-signal event There is a delay in the transition to the stopped state for class 2 interrupts. In some cases, the controlling thread detects the state of the spu as running, and goes back to sleep resulting in a hung application as the event is missed. This change detects the stop condition and re-generates the wakeup event after a context save. Signed-off-by: Luke Browning Signed-off-by: Jeremy Kerr --- arch/powerpc/platforms/cell/spufs/sched.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index cd725670b1b5..e929e70a84e3 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -407,6 +407,8 @@ static int has_affinity(struct spu_context *ctx) */ static void spu_unbind_context(struct spu *spu, struct spu_context *ctx) { + u32 status; + spu_context_trace(spu_unbind_context__enter, ctx, spu); spuctx_switch_state(ctx, SPU_UTIL_SYSTEM); @@ -452,6 +454,9 @@ static void spu_unbind_context(struct spu *spu, struct spu_context *ctx) /* This maps the underlying spu state to idle */ spuctx_switch_state(ctx, SPU_UTIL_IDLE_LOADED); ctx->spu = NULL; + + if (spu_stopped(ctx, &status)) + wake_up_all(&ctx->stop_wq); } /** -- cgit v1.2.2 From bad5232ba266ae2c666c17be236152fb2d8ada3b Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Mon, 9 Jun 2008 22:20:04 +1000 Subject: [POWERPC] Add missing of_node_put in pseries/nvram.c of_node_put is needed before discarding a value received from of_find_node_by_type, eg in error handling code. The semantic patch that makes the change is as follows: (http://www.emn.fr/x-info/coccinelle/) // @@ struct device_node *n; struct device_node *n1; struct device_node *n2; statement S; identifier f1,f2; expression E1,E2; constant C; @@ n = of_find_node_by_type(...) ... if (!n) S ... when != of_node_put(n) when != n1 = f1(n,...) when != E1 = n when any when strict ( + of_node_put(n); return -C; | of_node_put(n); | n2 = f2(n,...) | E2 = n | return ...; ) // Signed-off-by: Julia Lawall Acked-by: Stephen Rothwell Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/pseries/nvram.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c index f68903e15bd5..42f7e384e6c4 100644 --- a/arch/powerpc/platforms/pseries/nvram.c +++ b/arch/powerpc/platforms/pseries/nvram.c @@ -131,8 +131,10 @@ int __init pSeries_nvram_init(void) return -ENODEV; nbytes_p = of_get_property(nvram, "#bytes", &proplen); - if (nbytes_p == NULL || proplen != sizeof(unsigned int)) + if (nbytes_p == NULL || proplen != sizeof(unsigned int)) { + of_node_put(nvram); return -EIO; + } nvram_size = *nbytes_p; -- cgit v1.2.2 From 8e01520c06c65a1a376059199fc24d4f3d606991 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Tue, 10 Jun 2008 09:26:10 +1000 Subject: [POWERPC] Fix warning in pseries/eeh_driver.c Fix this: /usr/src/devel/arch/powerpc/platforms/pseries/eeh_driver.c: In function 'print_device_node_tree': /usr/src/devel/arch/powerpc/platforms/pseries/eeh_driver.c:55: warning: ISO C90 forbids mixed declarations and code also make that function look like it's part of Linux. Signed-off-by: Andrew Morton Acked-by: Benjamin Herrenschmidt Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/pseries/eeh_driver.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c index 68ea5eee39a8..8c1ca477c52c 100644 --- a/arch/powerpc/platforms/pseries/eeh_driver.c +++ b/arch/powerpc/platforms/pseries/eeh_driver.c @@ -42,17 +42,20 @@ static inline const char * pcid_name (struct pci_dev *pdev) } #ifdef DEBUG -static void print_device_node_tree (struct pci_dn *pdn, int dent) +static void print_device_node_tree(struct pci_dn *pdn, int dent) { int i; - if (!pdn) return; - for (i=0;inode->name, pdn->eeh_mode, pdn->eeh_config_addr, pdn->eeh_pe_config_addr, pdn->node->full_name); dent += 3; - struct device_node *pc = pdn->node->child; + pc = pdn->node->child; while (pc) { print_device_node_tree(PCI_DN(pc), dent); pc = pc->sibling; -- cgit v1.2.2 From 3dfa8773674e16f95f70a0e631e80c69390d04d7 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Mon, 16 Jun 2008 09:41:32 -0500 Subject: powerpc/booke: Add support for new e500mc core The new e500mc core from Freescale is based on the e500v2 but with the following changes: * Supports only the Enhanced Debug Architecture (DSRR0/1, etc) * Floating Point * No SPE * Supports lwsync * Doorbell Exceptions * Hypervisor * Cache line size is now 64-bytes (e500v1/v2 have a 32-byte cache line) Signed-off-by: Kumar Gala --- arch/powerpc/platforms/Kconfig.cputype | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index f7efaa925a13..1a1ccfbb9232 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -95,6 +95,11 @@ config E500 select FSL_EMB_PERFMON bool +config PPC_E500MC + bool "e500mc Support" + select PPC_FPU + depends on E500 + config PPC_FPU bool default y if PPC64 @@ -157,7 +162,7 @@ config ALTIVEC config SPE bool "SPE Support" - depends on E200 || E500 + depends on E200 || (E500 && !PPC_E500MC) default y ---help--- This option enables kernel support for the Signal Processing -- cgit v1.2.2 From 2308c954f55eae9f165a5a59bbdb0a0c586afe5a Mon Sep 17 00:00:00 2001 From: Vitaly Bordug Date: Thu, 12 Jun 2008 04:30:13 +0400 Subject: powerpc/85xx: Update pin setup for 8560ads Ports B and C pins programming is changed to get SCC2 UART and FCC3 ethernet work. Signed-off-by: Vitaly Bordug Signed-off-by: Kumar Gala --- arch/powerpc/platforms/85xx/mpc85xx_ads.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c index 3582c841844b..ba498d6f2d02 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c @@ -119,6 +119,8 @@ static const struct cpm_pin mpc8560_ads_pins[] = { {3, 31, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, /* SCC2 */ + {2, 12, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {2, 13, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, {3, 26, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, {3, 27, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, {3, 28, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, @@ -145,7 +147,6 @@ static const struct cpm_pin mpc8560_ads_pins[] = { {1, 4, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, {1, 5, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, {1, 6, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, - {1, 7, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, {1, 8, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, {1, 9, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, {1, 10, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, @@ -156,8 +157,9 @@ static const struct cpm_pin mpc8560_ads_pins[] = { {1, 15, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, {1, 16, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, {1, 17, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, - {2, 16, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* CLK16 */ - {2, 17, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* CLK15 */ + {2, 16, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, /* CLK16 */ + {2, 17, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, /* CLK15 */ + {2, 27, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, }; static void __init init_ioports(void) -- cgit v1.2.2 From b7d7a2404f80386307ccc0cde63d8d2a5e3bc85c Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Thu, 26 Jun 2008 11:22:13 +0200 Subject: powerpc: convert to generic helpers for IPI function calls This converts ppc to use the new helpers for smp_call_function() and friends, and adds support for smp_call_function_single(). ppc loses the timeout functionality of smp_call_function_mask() with this change, as the generic code does not provide that. Acked-by: Paul Mackerras Signed-off-by: Jens Axboe --- arch/powerpc/platforms/cell/interrupt.c | 1 + arch/powerpc/platforms/ps3/smp.c | 7 ++++--- arch/powerpc/platforms/pseries/xics.c | 6 ++---- 3 files changed, 7 insertions(+), 7 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c index 5bf7df146022..2d5bb22d6c09 100644 --- a/arch/powerpc/platforms/cell/interrupt.c +++ b/arch/powerpc/platforms/cell/interrupt.c @@ -218,6 +218,7 @@ void iic_request_IPIs(void) { iic_request_ipi(PPC_MSG_CALL_FUNCTION, "IPI-call"); iic_request_ipi(PPC_MSG_RESCHEDULE, "IPI-resched"); + iic_request_ipi(PPC_MSG_CALL_FUNC_SINGLE, "IPI-call-single"); #ifdef CONFIG_DEBUGGER iic_request_ipi(PPC_MSG_DEBUGGER_BREAK, "IPI-debug"); #endif /* CONFIG_DEBUGGER */ diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c index f0b12f212363..a0927a3bacb7 100644 --- a/arch/powerpc/platforms/ps3/smp.c +++ b/arch/powerpc/platforms/ps3/smp.c @@ -105,9 +105,10 @@ static void __init ps3_smp_setup_cpu(int cpu) * to index needs to be setup. */ - BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION != 0); - BUILD_BUG_ON(PPC_MSG_RESCHEDULE != 1); - BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK != 3); + BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION != 0); + BUILD_BUG_ON(PPC_MSG_RESCHEDULE != 1); + BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2); + BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK != 3); for (i = 0; i < MSG_COUNT; i++) { result = ps3_event_receive_port_setup(cpu, &virqs[i]); diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index ebebc28fe895..0fc830f576f5 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -383,13 +383,11 @@ static irqreturn_t xics_ipi_dispatch(int cpu) mb(); smp_message_recv(PPC_MSG_RESCHEDULE); } -#if 0 - if (test_and_clear_bit(PPC_MSG_MIGRATE_TASK, + if (test_and_clear_bit(PPC_MSG_CALL_FUNC_SINGLE, &xics_ipi_message[cpu].value)) { mb(); - smp_message_recv(PPC_MSG_MIGRATE_TASK); + smp_message_recv(PPC_MSG_CALL_FUNC_SINGLE); } -#endif #if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC) if (test_and_clear_bit(PPC_MSG_DEBUGGER_BREAK, &xics_ipi_message[cpu].value)) { -- cgit v1.2.2 From b1e2270ffefb636afd71bbb8bf19aedff0e5ac3d Mon Sep 17 00:00:00 2001 From: Nick Piggin Date: Tue, 10 Jun 2008 09:26:08 +1000 Subject: spufs: Convert nopfn to fault Signed-off-by: Nick Piggin Acked-by: Jeremy Kerr Signed-off-by: Andrew Morton Acked-by: Benjamin Herrenschmidt Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/cell/spufs/file.c | 98 ++++++++++++++-------------- arch/powerpc/platforms/cell/spufs/sputrace.c | 8 +-- 2 files changed, 54 insertions(+), 52 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index c81341ff75b5..f74259979cb6 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -238,11 +238,13 @@ spufs_mem_write(struct file *file, const char __user *buffer, return size; } -static unsigned long spufs_mem_mmap_nopfn(struct vm_area_struct *vma, - unsigned long address) +static int +spufs_mem_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { struct spu_context *ctx = vma->vm_file->private_data; - unsigned long pfn, offset, addr0 = address; + unsigned long address = (unsigned long)vmf->virtual_address; + unsigned long pfn, offset; + #ifdef CONFIG_SPU_FS_64K_LS struct spu_state *csa = &ctx->csa; int psize; @@ -260,15 +262,15 @@ static unsigned long spufs_mem_mmap_nopfn(struct vm_area_struct *vma, } #endif /* CONFIG_SPU_FS_64K_LS */ - offset = (address - vma->vm_start) + (vma->vm_pgoff << PAGE_SHIFT); + offset = vmf->pgoff << PAGE_SHIFT; if (offset >= LS_SIZE) - return NOPFN_SIGBUS; + return VM_FAULT_SIGBUS; - pr_debug("spufs_mem_mmap_nopfn address=0x%lx -> 0x%lx, offset=0x%lx\n", - addr0, address, offset); + pr_debug("spufs_mem_mmap_fault address=0x%lx, offset=0x%lx\n", + address, offset); if (spu_acquire(ctx)) - return NOPFN_REFAULT; + return VM_FAULT_NOPAGE; if (ctx->state == SPU_STATE_SAVED) { vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot) @@ -283,12 +285,12 @@ static unsigned long spufs_mem_mmap_nopfn(struct vm_area_struct *vma, spu_release(ctx); - return NOPFN_REFAULT; + return VM_FAULT_NOPAGE; } static struct vm_operations_struct spufs_mem_mmap_vmops = { - .nopfn = spufs_mem_mmap_nopfn, + .fault = spufs_mem_mmap_fault, }; static int spufs_mem_mmap(struct file *file, struct vm_area_struct *vma) @@ -351,20 +353,19 @@ static const struct file_operations spufs_mem_fops = { #endif }; -static unsigned long spufs_ps_nopfn(struct vm_area_struct *vma, - unsigned long address, +static int spufs_ps_fault(struct vm_area_struct *vma, + struct vm_fault *vmf, unsigned long ps_offs, unsigned long ps_size) { struct spu_context *ctx = vma->vm_file->private_data; - unsigned long area, offset = address - vma->vm_start; + unsigned long area, offset = vmf->pgoff << PAGE_SHIFT; int ret = 0; - spu_context_nospu_trace(spufs_ps_nopfn__enter, ctx); + spu_context_nospu_trace(spufs_ps_fault__enter, ctx); - offset += vma->vm_pgoff << PAGE_SHIFT; if (offset >= ps_size) - return NOPFN_SIGBUS; + return VM_FAULT_SIGBUS; /* * Because we release the mmap_sem, the context may be destroyed while @@ -378,7 +379,7 @@ static unsigned long spufs_ps_nopfn(struct vm_area_struct *vma, * pages to hand out to the user, but we don't want to wait * with the mmap_sem held. * It is possible to drop the mmap_sem here, but then we need - * to return NOPFN_REFAULT because the mappings may have + * to return VM_FAULT_NOPAGE because the mappings may have * hanged. */ if (spu_acquire(ctx)) @@ -386,14 +387,15 @@ static unsigned long spufs_ps_nopfn(struct vm_area_struct *vma, if (ctx->state == SPU_STATE_SAVED) { up_read(¤t->mm->mmap_sem); - spu_context_nospu_trace(spufs_ps_nopfn__sleep, ctx); + spu_context_nospu_trace(spufs_ps_fault__sleep, ctx); ret = spufs_wait(ctx->run_wq, ctx->state == SPU_STATE_RUNNABLE); - spu_context_trace(spufs_ps_nopfn__wake, ctx, ctx->spu); + spu_context_trace(spufs_ps_fault__wake, ctx, ctx->spu); down_read(¤t->mm->mmap_sem); } else { area = ctx->spu->problem_phys + ps_offs; - vm_insert_pfn(vma, address, (area + offset) >> PAGE_SHIFT); - spu_context_trace(spufs_ps_nopfn__insert, ctx, ctx->spu); + vm_insert_pfn(vma, (unsigned long)vmf->virtual_address, + (area + offset) >> PAGE_SHIFT); + spu_context_trace(spufs_ps_fault__insert, ctx, ctx->spu); } if (!ret) @@ -401,18 +403,18 @@ static unsigned long spufs_ps_nopfn(struct vm_area_struct *vma, refault: put_spu_context(ctx); - return NOPFN_REFAULT; + return VM_FAULT_NOPAGE; } #if SPUFS_MMAP_4K -static unsigned long spufs_cntl_mmap_nopfn(struct vm_area_struct *vma, - unsigned long address) +static int spufs_cntl_mmap_fault(struct vm_area_struct *vma, + struct vm_fault *vmf) { - return spufs_ps_nopfn(vma, address, 0x4000, 0x1000); + return spufs_ps_fault(vma, vmf, 0x4000, 0x1000); } static struct vm_operations_struct spufs_cntl_mmap_vmops = { - .nopfn = spufs_cntl_mmap_nopfn, + .fault = spufs_cntl_mmap_fault, }; /* @@ -1097,23 +1099,23 @@ static ssize_t spufs_signal1_write(struct file *file, const char __user *buf, return 4; } -static unsigned long spufs_signal1_mmap_nopfn(struct vm_area_struct *vma, - unsigned long address) +static int +spufs_signal1_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { #if PAGE_SIZE == 0x1000 - return spufs_ps_nopfn(vma, address, 0x14000, 0x1000); + return spufs_ps_fault(vma, vmf, 0x14000, 0x1000); #elif PAGE_SIZE == 0x10000 /* For 64k pages, both signal1 and signal2 can be used to mmap the whole * signal 1 and 2 area */ - return spufs_ps_nopfn(vma, address, 0x10000, 0x10000); + return spufs_ps_fault(vma, vmf, 0x10000, 0x10000); #else #error unsupported page size #endif } static struct vm_operations_struct spufs_signal1_mmap_vmops = { - .nopfn = spufs_signal1_mmap_nopfn, + .fault = spufs_signal1_mmap_fault, }; static int spufs_signal1_mmap(struct file *file, struct vm_area_struct *vma) @@ -1234,23 +1236,23 @@ static ssize_t spufs_signal2_write(struct file *file, const char __user *buf, } #if SPUFS_MMAP_4K -static unsigned long spufs_signal2_mmap_nopfn(struct vm_area_struct *vma, - unsigned long address) +static int +spufs_signal2_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { #if PAGE_SIZE == 0x1000 - return spufs_ps_nopfn(vma, address, 0x1c000, 0x1000); + return spufs_ps_fault(vma, vmf, 0x1c000, 0x1000); #elif PAGE_SIZE == 0x10000 /* For 64k pages, both signal1 and signal2 can be used to mmap the whole * signal 1 and 2 area */ - return spufs_ps_nopfn(vma, address, 0x10000, 0x10000); + return spufs_ps_fault(vma, vmf, 0x10000, 0x10000); #else #error unsupported page size #endif } static struct vm_operations_struct spufs_signal2_mmap_vmops = { - .nopfn = spufs_signal2_mmap_nopfn, + .fault = spufs_signal2_mmap_fault, }; static int spufs_signal2_mmap(struct file *file, struct vm_area_struct *vma) @@ -1362,14 +1364,14 @@ DEFINE_SPUFS_ATTRIBUTE(spufs_signal2_type, spufs_signal2_type_get, spufs_signal2_type_set, "%llu\n", SPU_ATTR_ACQUIRE); #if SPUFS_MMAP_4K -static unsigned long spufs_mss_mmap_nopfn(struct vm_area_struct *vma, - unsigned long address) +static int +spufs_mss_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { - return spufs_ps_nopfn(vma, address, 0x0000, 0x1000); + return spufs_ps_fault(vma, vmf, 0x0000, 0x1000); } static struct vm_operations_struct spufs_mss_mmap_vmops = { - .nopfn = spufs_mss_mmap_nopfn, + .fault = spufs_mss_mmap_fault, }; /* @@ -1424,14 +1426,14 @@ static const struct file_operations spufs_mss_fops = { .mmap = spufs_mss_mmap, }; -static unsigned long spufs_psmap_mmap_nopfn(struct vm_area_struct *vma, - unsigned long address) +static int +spufs_psmap_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { - return spufs_ps_nopfn(vma, address, 0x0000, 0x20000); + return spufs_ps_fault(vma, vmf, 0x0000, 0x20000); } static struct vm_operations_struct spufs_psmap_mmap_vmops = { - .nopfn = spufs_psmap_mmap_nopfn, + .fault = spufs_psmap_mmap_fault, }; /* @@ -1484,14 +1486,14 @@ static const struct file_operations spufs_psmap_fops = { #if SPUFS_MMAP_4K -static unsigned long spufs_mfc_mmap_nopfn(struct vm_area_struct *vma, - unsigned long address) +static int +spufs_mfc_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { - return spufs_ps_nopfn(vma, address, 0x3000, 0x1000); + return spufs_ps_fault(vma, vmf, 0x3000, 0x1000); } static struct vm_operations_struct spufs_mfc_mmap_vmops = { - .nopfn = spufs_mfc_mmap_nopfn, + .fault = spufs_mfc_mmap_fault, }; /* diff --git a/arch/powerpc/platforms/cell/spufs/sputrace.c b/arch/powerpc/platforms/cell/spufs/sputrace.c index 53202422ba72..8c0e95766a62 100644 --- a/arch/powerpc/platforms/cell/spufs/sputrace.c +++ b/arch/powerpc/platforms/cell/spufs/sputrace.c @@ -182,10 +182,10 @@ struct spu_probe spu_probes[] = { { "spu_yield__enter", "ctx %p", spu_context_nospu_event }, { "spu_deactivate__enter", "ctx %p", spu_context_nospu_event }, { "__spu_deactivate__unload", "ctx %p spu %p", spu_context_event }, - { "spufs_ps_nopfn__enter", "ctx %p", spu_context_nospu_event }, - { "spufs_ps_nopfn__sleep", "ctx %p", spu_context_nospu_event }, - { "spufs_ps_nopfn__wake", "ctx %p spu %p", spu_context_event }, - { "spufs_ps_nopfn__insert", "ctx %p spu %p", spu_context_event }, + { "spufs_ps_fault__enter", "ctx %p", spu_context_nospu_event }, + { "spufs_ps_fault__sleep", "ctx %p", spu_context_nospu_event }, + { "spufs_ps_fault__wake", "ctx %p spu %p", spu_context_event }, + { "spufs_ps_fault__insert", "ctx %p spu %p", spu_context_event }, { "spu_acquire_saved__enter", "ctx %p", spu_context_nospu_event }, { "destroy_spu_context__enter", "ctx %p", spu_context_nospu_event }, { "spufs_stop_callback__enter", "ctx %p spu %p", spu_context_event }, -- cgit v1.2.2 From cf2076012f3efbd945ceea67704fe515f8d6171f Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Thu, 12 Jun 2008 19:14:35 +1000 Subject: powerpc/pseries: Call pseries_kexec_setup only on pseries The pseries_kexec_setup function overwrites some ppc_md pointers, so make sure it only gets called when running on the right architecture. Signed-off-by: Arnd Bergmann Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/pseries/kexec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/pseries/kexec.c b/arch/powerpc/platforms/pseries/kexec.c index e9dd5fe081c9..53cbd53d8740 100644 --- a/arch/powerpc/platforms/pseries/kexec.c +++ b/arch/powerpc/platforms/pseries/kexec.c @@ -70,4 +70,4 @@ static int __init pseries_kexec_setup(void) return 0; } -__initcall(pseries_kexec_setup); +machine_device_initcall(pseries, pseries_kexec_setup); -- cgit v1.2.2 From 5acb08070dcbabf7347ad73cb8a79a145a2a5152 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Thu, 12 Jun 2008 19:14:36 +1000 Subject: powerpc/cell: Disable ptcal in case of crash kdump We need to disable ptcal before starting a new kernel after a crash, in order to avoid overwriting data in the kdump kernel. Signed-off-by: Arnd Bergmann Acked-by: Jeremy Kerr Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/cell/ras.c | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/cell/ras.c b/arch/powerpc/platforms/cell/ras.c index 655704ad03cf..505f9b9bdf0c 100644 --- a/arch/powerpc/platforms/cell/ras.c +++ b/arch/powerpc/platforms/cell/ras.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include #include @@ -226,6 +227,11 @@ static int cbe_ptcal_notify_reboot(struct notifier_block *nb, return cbe_ptcal_disable(); } +static void cbe_ptcal_crash_shutdown(void) +{ + cbe_ptcal_disable(); +} + static struct notifier_block cbe_ptcal_reboot_notifier = { .notifier_call = cbe_ptcal_notify_reboot }; @@ -241,12 +247,20 @@ int __init cbe_ptcal_init(void) return -ENODEV; ret = register_reboot_notifier(&cbe_ptcal_reboot_notifier); - if (ret) { - printk(KERN_ERR "Can't disable PTCAL, so not enabling\n"); - return ret; - } + if (ret) + goto out1; + + ret = crash_shutdown_register(&cbe_ptcal_crash_shutdown); + if (ret) + goto out2; return cbe_ptcal_enable(); + +out2: + unregister_reboot_notifier(&cbe_ptcal_reboot_notifier); +out1: + printk(KERN_ERR "Can't disable PTCAL, so not enabling\n"); + return ret; } arch_initcall(cbe_ptcal_init); -- cgit v1.2.2 From 3a8247cc2c856930f34eafce33f6a039227ee175 Mon Sep 17 00:00:00 2001 From: Paul Mackerras Date: Wed, 18 Jun 2008 15:29:12 +1000 Subject: powerpc: Only demote individual slices rather than whole process At present, if we have a kernel with a 64kB page size, and some process maps something that has to be mapped with 4kB pages (such as a cache-inhibited mapping on POWER5+, or the eHCA infiniband queue-pair pages), we change the process to use 4kB pages everywhere. This hurts the performance of HPC programs that access eHCA from userspace. With this patch, the kernel will only demote the slice(s) containing the eHCA or cache-inhibited mappings, leaving the remaining slices able to use 64kB hardware pages. This also changes the slice_get_unmapped_area code so that it is willing to place a 64k-page mapping into (or across) a 4k-page slice if there is no better alternative, i.e. if the program specified MAP_FIXED or if there is not sufficient space available in slices that are either empty or already have 64k-page mappings in them. Signed-off-by: Paul Mackerras Acked-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/Kconfig.cputype | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index 1a1ccfbb9232..c66b8ed7e7d9 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -187,7 +187,7 @@ config PPC_STD_MMU_32 config PPC_MM_SLICES bool - default y if HUGETLB_PAGE + default y if HUGETLB_PAGE || PPC_64K_PAGES default n config VIRT_CPU_ACCOUNTING -- cgit v1.2.2 From aaddd3eacaeaef3503035750b3f21ac2bfe97cbf Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Tue, 24 Jun 2008 11:32:21 +1000 Subject: powerpc: Move code patching code into arch/powerpc/lib/code-patching.c We currently have a few routines for patching code in asm/system.h, because they didn't fit anywhere else. I'd like to clean them up a little and add some more, so first move them into a dedicated C file - they don't need to be inlined. While we're moving the code, drop create_function_call(), it's intended caller never got merged and will be replaced in future with something different. Signed-off-by: Michael Ellerman Acked-by: Kumar Gala Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/86xx/mpc86xx_smp.c | 1 + arch/powerpc/platforms/powermac/smp.c | 1 + 2 files changed, 2 insertions(+) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/86xx/mpc86xx_smp.c b/arch/powerpc/platforms/86xx/mpc86xx_smp.c index ba55b0ff0f74..63f55853cd69 100644 --- a/arch/powerpc/platforms/86xx/mpc86xx_smp.c +++ b/arch/powerpc/platforms/86xx/mpc86xx_smp.c @@ -15,6 +15,7 @@ #include #include +#include #include #include #include diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c index cb2d894541c6..bf202f7eadf8 100644 --- a/arch/powerpc/platforms/powermac/smp.c +++ b/arch/powerpc/platforms/powermac/smp.c @@ -36,6 +36,7 @@ #include #include +#include #include #include #include -- cgit v1.2.2 From e7a57273c6407bb6903fbaddec8c2119bf318617 Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Tue, 24 Jun 2008 11:32:22 +1000 Subject: powerpc: Allow create_branch() to return errors Currently create_branch() creates a branch instruction for you, and patches it into the call site. In some circumstances it would be nice to be able to create the instruction and patch it later, and also some code might want to check for errors in the branch creation before doing the patching. A future commit will change create_branch() to check for errors. For callers that don't care, replace create_branch() with patch_branch(), which just creates the branch and patches it directly. While we're touching all the callers, change to using unsigned int *, as this seems to match usage better. That allows (and requires) us to remove the volatile in the definition of vector in powermac/smp.c and mpc86xx_smp.c, that's correct because now that we're passing vector as an unsigned int * the compiler knows that it's value might change across the patch_branch() call. Signed-off-by: Michael Ellerman Acked-by: Kumar Gala Acked-by: Jon Loeliger Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/86xx/mpc86xx_smp.c | 5 ++--- arch/powerpc/platforms/powermac/smp.c | 5 ++--- 2 files changed, 4 insertions(+), 6 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/86xx/mpc86xx_smp.c b/arch/powerpc/platforms/86xx/mpc86xx_smp.c index 63f55853cd69..835f2dc24dc9 100644 --- a/arch/powerpc/platforms/86xx/mpc86xx_smp.c +++ b/arch/powerpc/platforms/86xx/mpc86xx_smp.c @@ -57,8 +57,7 @@ smp_86xx_kick_cpu(int nr) unsigned int save_vector; unsigned long target, flags; int n = 0; - volatile unsigned int *vector - = (volatile unsigned int *)(KERNELBASE + 0x100); + unsigned int *vector = (unsigned int *)(KERNELBASE + 0x100); if (nr < 0 || nr >= NR_CPUS) return; @@ -72,7 +71,7 @@ smp_86xx_kick_cpu(int nr) /* Setup fake reset vector to call __secondary_start_mpc86xx. */ target = (unsigned long) __secondary_start_mpc86xx; - create_branch((unsigned long)vector, target, BRANCH_SET_LINK); + patch_branch(vector, target, BRANCH_SET_LINK); /* Kick that CPU */ smp_86xx_release_core(nr); diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c index bf202f7eadf8..4ae3d00e0bdd 100644 --- a/arch/powerpc/platforms/powermac/smp.c +++ b/arch/powerpc/platforms/powermac/smp.c @@ -787,8 +787,7 @@ static void __devinit smp_core99_kick_cpu(int nr) { unsigned int save_vector; unsigned long target, flags; - volatile unsigned int *vector - = ((volatile unsigned int *)(KERNELBASE+0x100)); + unsigned int *vector = (unsigned int *)(KERNELBASE+0x100); if (nr < 0 || nr > 3) return; @@ -805,7 +804,7 @@ static void __devinit smp_core99_kick_cpu(int nr) * b __secondary_start_pmac_0 + nr*8 - KERNELBASE */ target = (unsigned long) __secondary_start_pmac_0 + nr * 8; - create_branch((unsigned long)vector, target, BRANCH_SET_LINK); + patch_branch(vector, target, BRANCH_SET_LINK); /* Put some life in our friend */ pmac_call_feature(PMAC_FTR_RESET_CPU, NULL, nr, 0); -- cgit v1.2.2 From 96d5b52c8473ae6ee63d592474bcc1255df06102 Mon Sep 17 00:00:00 2001 From: Michael Neuling Date: Wed, 25 Jun 2008 14:07:18 +1000 Subject: powerpc: Add CONFIG_VSX config option Add CONFIG_VSX config build option. Must compile with POWER4, FPU and ALTIVEC. Signed-off-by: Michael Neuling Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/Kconfig.cputype | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index c66b8ed7e7d9..5bc4b611ff88 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -160,6 +160,22 @@ config ALTIVEC If in doubt, say Y here. +config VSX + bool "VSX Support" + depends on POWER4 && ALTIVEC && PPC_FPU + ---help--- + + This option enables kernel support for the Vector Scaler extensions + to the PowerPC processor. The kernel currently supports saving and + restoring VSX registers, and turning on the 'VSX enable' bit so user + processes can execute VSX instructions. + + This option is only useful if you have a processor that supports + VSX (P7 and above), but does not have any affect on a non-VSX + CPUs (it does, however add code to the kernel). + + If in doubt, say Y here. + config SPE bool "SPE Support" depends on E200 || (E500 && !PPC_E500MC) -- cgit v1.2.2 From 18d76ac9a47742558bca3bbc2f7c41870ac744c8 Mon Sep 17 00:00:00 2001 From: Tim Yamin Date: Tue, 17 Jun 2008 09:33:14 +0100 Subject: powerpc/mpc5200: Fix lite5200b suspend/resume Suspend/resume ("echo mem > /sys/power/state") does not work with vanilla kernels -- the system does not suspend correctly and just hangs. This patch fixes this so suspend/resume works: 1) of_iomap does not map the whole 0xC000 of the MPC5200 immr so saving registers does not work. 2) PCI registers need to be saved and restored. Signed-off-by: Tim Yamin Signed-off-by: Grant Likely --- arch/powerpc/platforms/52xx/lite5200_pm.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/52xx/lite5200_pm.c b/arch/powerpc/platforms/52xx/lite5200_pm.c index 41c7fd91e99e..fe92e65103ed 100644 --- a/arch/powerpc/platforms/52xx/lite5200_pm.c +++ b/arch/powerpc/platforms/52xx/lite5200_pm.c @@ -14,6 +14,7 @@ static struct mpc52xx_sdma __iomem *bes; static struct mpc52xx_xlb __iomem *xlb; static struct mpc52xx_gpio __iomem *gps; static struct mpc52xx_gpio_wkup __iomem *gpw; +static void __iomem *pci; static void __iomem *sram; static const int sram_size = 0x4000; /* 16 kBytes */ static void __iomem *mbar; @@ -50,6 +51,8 @@ static int lite5200_pm_prepare(void) { .type = "builtin", .compatible = "mpc5200", }, /* efika */ {} }; + u64 regaddr64 = 0; + const u32 *regaddr_p; /* deep sleep? let mpc52xx code handle that */ if (lite5200_pm_target_state == PM_SUSPEND_STANDBY) @@ -60,8 +63,12 @@ static int lite5200_pm_prepare(void) /* map registers */ np = of_find_matching_node(NULL, immr_ids); - mbar = of_iomap(np, 0); + regaddr_p = of_get_address(np, 0, NULL, NULL); + if (regaddr_p) + regaddr64 = of_translate_address(np, regaddr_p); of_node_put(np); + + mbar = ioremap((u32) regaddr64, 0xC000); if (!mbar) { printk(KERN_ERR "%s:%i Error mapping registers\n", __func__, __LINE__); return -ENOSYS; @@ -71,6 +78,7 @@ static int lite5200_pm_prepare(void) pic = mbar + 0x500; gps = mbar + 0xb00; gpw = mbar + 0xc00; + pci = mbar + 0xd00; bes = mbar + 0x1200; xlb = mbar + 0x1f00; sram = mbar + 0x8000; @@ -85,6 +93,7 @@ static struct mpc52xx_sdma sbes; static struct mpc52xx_xlb sxlb; static struct mpc52xx_gpio sgps; static struct mpc52xx_gpio_wkup sgpw; +static char spci[0x200]; static void lite5200_save_regs(void) { @@ -94,6 +103,7 @@ static void lite5200_save_regs(void) _memcpy_fromio(&sxlb, xlb, sizeof(*xlb)); _memcpy_fromio(&sgps, gps, sizeof(*gps)); _memcpy_fromio(&sgpw, gpw, sizeof(*gpw)); + _memcpy_fromio(spci, pci, 0x200); _memcpy_fromio(saved_sram, sram, sram_size); } @@ -103,6 +113,8 @@ static void lite5200_restore_regs(void) int i; _memcpy_toio(sram, saved_sram, sram_size); + /* PCI Configuration */ + _memcpy_toio(pci, spci, 0x200); /* * GPIOs. Interrupt Master Enable has higher address then other -- cgit v1.2.2 From 4b6e805e4a327c7231ab6a7739d6344d68d231d0 Mon Sep 17 00:00:00 2001 From: Nathan Fontenot Date: Thu, 3 Jul 2008 13:19:24 +1000 Subject: powerpc/pseries: Allow phandle to be specified in formats other than decimal Allow the phandle passed to the /proc/ppc64/ofdt file to be specified in formats other than decimal. This allows us to easily specify phandle values in hex that would otherwise appear as negative integers. This is an issue on systems where the value of /proc/device-tree/ibm,dynamic-reconfiguration-memory.ibm,phandle is fffffff9. Having to pass this to the ofdt file as a string results in a large negative number, and simple_strtoul() does not handle negative numbers. Signed-off-by: Nathan Fontenot Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/pseries/reconfig.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c index 75769aae41d5..dfa2ebd2deb5 100644 --- a/arch/powerpc/platforms/pseries/reconfig.c +++ b/arch/powerpc/platforms/pseries/reconfig.c @@ -365,7 +365,7 @@ static char *parse_node(char *buf, size_t bufsize, struct device_node **npp) *buf = '\0'; buf++; - handle = simple_strtoul(handle_str, NULL, 10); + handle = simple_strtoul(handle_str, NULL, 0); *npp = of_find_node_by_phandle(handle); return buf; -- cgit v1.2.2 From 92ecd1790b10e12015070e33a0f70493d51aca50 Mon Sep 17 00:00:00 2001 From: Nathan Fontenot Date: Thu, 3 Jul 2008 13:20:58 +1000 Subject: powerpc/pseries: Use base address to derive starting page frame number Use the base address of the lmb to derive the starting page frame number instead of trying to extract it from the drc index of the lmb. The drc index should not be used for this as it will, and did, break. Until this point, systems that have had memory represented in the device tree with a node for each lmb the drc index would (luckily) closely track the base address of the lmb. For example a lmb with a drc index of 8000000a would have a base address of a0000000. This correlation allowed the current code to derive the starting page frame number from the drc inddex Device tree layouts where lmbs are represented under the ibm,dynamic-reconfiguration-memory node in the ibm,dynamic-memory property do not have this correlation between the drc index and base address of the lmb. Signed-off-by: Nathan Fontenot Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/pseries/hotplug-memory.c | 36 ++++++++++++------------- 1 file changed, 17 insertions(+), 19 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index 3c5727dd5aa5..18a8138ef99f 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -18,8 +18,9 @@ static int pseries_remove_memory(struct device_node *np) { const char *type; - const unsigned int *my_index; const unsigned int *regs; + unsigned long base; + unsigned int lmb_size; u64 start_pfn, start; struct zone *zone; int ret = -EINVAL; @@ -32,17 +33,16 @@ static int pseries_remove_memory(struct device_node *np) return 0; /* - * Find the memory index and size of the removing section + * Find the bae address and size of the lmb */ - my_index = of_get_property(np, "ibm,my-drc-index", NULL); - if (!my_index) - return ret; - regs = of_get_property(np, "reg", NULL); if (!regs) return ret; - start_pfn = section_nr_to_pfn(*my_index & 0xffff); + base = *(unsigned long *)regs; + lmb_size = regs[3]; + + start_pfn = base >> PFN_SECTION_SHIFT; zone = page_zone(pfn_to_page(start_pfn)); /* @@ -54,28 +54,29 @@ static int pseries_remove_memory(struct device_node *np) * to sysfs "state" file and we can't remove sysfs entries * while writing to it. So we have to defer it to here. */ - ret = __remove_pages(zone, start_pfn, regs[3] >> PAGE_SHIFT); + ret = __remove_pages(zone, start_pfn, lmb_size >> PAGE_SHIFT); if (ret) return ret; /* * Update memory regions for memory remove */ - lmb_remove(start_pfn << PAGE_SHIFT, regs[3]); + lmb_remove(base, lmb_size); /* * Remove htab bolted mappings for this section of memory */ - start = (unsigned long)__va(start_pfn << PAGE_SHIFT); - ret = remove_section_mapping(start, start + regs[3]); + start = (unsigned long)__va(base); + ret = remove_section_mapping(start, start + lmb_size); return ret; } static int pseries_add_memory(struct device_node *np) { const char *type; - const unsigned int *my_index; const unsigned int *regs; + unsigned long base; + unsigned int lmb_size; u64 start_pfn; int ret = -EINVAL; @@ -87,22 +88,19 @@ static int pseries_add_memory(struct device_node *np) return 0; /* - * Find the memory index and size of the added section + * Find the base and size of the lmb */ - my_index = of_get_property(np, "ibm,my-drc-index", NULL); - if (!my_index) - return ret; - regs = of_get_property(np, "reg", NULL); if (!regs) return ret; - start_pfn = section_nr_to_pfn(*my_index & 0xffff); + base = *(unsigned long *)regs; + lmb_size = regs[3]; /* * Update memory region to represent the memory add */ - lmb_add(start_pfn << PAGE_SHIFT, regs[3]); + lmb_add(base, lmb_size); return 0; } -- cgit v1.2.2 From 3c3f67eafad12d4ccabe491c6c8a50bf6e75b89a Mon Sep 17 00:00:00 2001 From: Nathan Fontenot Date: Thu, 3 Jul 2008 13:22:39 +1000 Subject: powerpc/pseries: Update the device tree correctly for drconf memory add/remove This updates the device tree manipulation routines so that memory add/remove of lmbs represented under the ibm,dynamic-reconfiguration-memory node of the device tree invokes the hotplug notifier chain. This change is needed because of the change in the way memory is represented under the ibm,dynamic-reconfiguration-memory node. All lmbs are described in the ibm,dynamic-memory property instead of having a separate node for each lmb as in previous device tree layouts. This requires the update_node() routine to check for updates to the ibm,dynamic-memory property and invoke the hotplug notifier chain. This also updates the pseries hotplug notifier to be able to gather information for lmbs represented under the ibm,dynamic-reconfiguration-memory node and have the lmbs added/removed. Signed-off-by: Nathan Fontenot Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/pseries/hotplug-memory.c | 95 ++++++++++++++++++------- arch/powerpc/platforms/pseries/reconfig.c | 36 ++++++++-- 2 files changed, 100 insertions(+), 31 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index 18a8138ef99f..a1a368dd2d99 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -15,32 +15,11 @@ #include #include -static int pseries_remove_memory(struct device_node *np) +static int pseries_remove_lmb(unsigned long base, unsigned int lmb_size) { - const char *type; - const unsigned int *regs; - unsigned long base; - unsigned int lmb_size; - u64 start_pfn, start; + unsigned long start, start_pfn; struct zone *zone; - int ret = -EINVAL; - - /* - * Check to see if we are actually removing memory - */ - type = of_get_property(np, "device_type", NULL); - if (type == NULL || strcmp(type, "memory") != 0) - return 0; - - /* - * Find the bae address and size of the lmb - */ - regs = of_get_property(np, "reg", NULL); - if (!regs) - return ret; - - base = *(unsigned long *)regs; - lmb_size = regs[3]; + int ret; start_pfn = base >> PFN_SECTION_SHIFT; zone = page_zone(pfn_to_page(start_pfn)); @@ -71,13 +50,41 @@ static int pseries_remove_memory(struct device_node *np) return ret; } +static int pseries_remove_memory(struct device_node *np) +{ + const char *type; + const unsigned int *regs; + unsigned long base; + unsigned int lmb_size; + int ret = -EINVAL; + + /* + * Check to see if we are actually removing memory + */ + type = of_get_property(np, "device_type", NULL); + if (type == NULL || strcmp(type, "memory") != 0) + return 0; + + /* + * Find the bae address and size of the lmb + */ + regs = of_get_property(np, "reg", NULL); + if (!regs) + return ret; + + base = *(unsigned long *)regs; + lmb_size = regs[3]; + + ret = pseries_remove_lmb(base, lmb_size); + return ret; +} + static int pseries_add_memory(struct device_node *np) { const char *type; const unsigned int *regs; unsigned long base; unsigned int lmb_size; - u64 start_pfn; int ret = -EINVAL; /* @@ -100,8 +107,37 @@ static int pseries_add_memory(struct device_node *np) /* * Update memory region to represent the memory add */ - lmb_add(base, lmb_size); - return 0; + ret = lmb_add(base, lmb_size); + return (ret < 0) ? -EINVAL : 0; +} + +static int pseries_drconf_memory(unsigned long *base, unsigned int action) +{ + struct device_node *np; + const unsigned long *lmb_size; + int rc; + + np = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory"); + if (!np) + return -EINVAL; + + lmb_size = of_get_property(np, "ibm,lmb-size", NULL); + if (!lmb_size) { + of_node_put(np); + return -EINVAL; + } + + if (action == PSERIES_DRCONF_MEM_ADD) { + rc = lmb_add(*base, *lmb_size); + rc = (rc < 0) ? -EINVAL : 0; + } else if (action == PSERIES_DRCONF_MEM_REMOVE) { + rc = pseries_remove_lmb(*base, *lmb_size); + } else { + rc = -EINVAL; + } + + of_node_put(np); + return rc; } static int pseries_memory_notifier(struct notifier_block *nb, @@ -118,6 +154,11 @@ static int pseries_memory_notifier(struct notifier_block *nb, if (pseries_remove_memory(node)) err = NOTIFY_BAD; break; + case PSERIES_DRCONF_MEM_ADD: + case PSERIES_DRCONF_MEM_REMOVE: + if (pseries_drconf_memory(node, action)) + err = NOTIFY_BAD; + break; default: err = NOTIFY_DONE; break; diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c index dfa2ebd2deb5..7637bd38c795 100644 --- a/arch/powerpc/platforms/pseries/reconfig.c +++ b/arch/powerpc/platforms/pseries/reconfig.c @@ -422,8 +422,8 @@ static int do_update_property(char *buf, size_t bufsize) { struct device_node *np; unsigned char *value; - char *name, *end; - int length; + char *name, *end, *next_prop; + int rc, length; struct property *newprop, *oldprop; buf = parse_node(buf, bufsize, &np); end = buf + bufsize; @@ -431,7 +431,8 @@ static int do_update_property(char *buf, size_t bufsize) if (!np) return -ENODEV; - if (parse_next_property(buf, end, &name, &length, &value) == NULL) + next_prop = parse_next_property(buf, end, &name, &length, &value); + if (!next_prop) return -EINVAL; newprop = new_property(name, length, value, NULL); @@ -442,7 +443,34 @@ static int do_update_property(char *buf, size_t bufsize) if (!oldprop) return -ENODEV; - return prom_update_property(np, newprop, oldprop); + rc = prom_update_property(np, newprop, oldprop); + if (rc) + return rc; + + /* For memory under the ibm,dynamic-reconfiguration-memory node + * of the device tree, adding and removing memory is just an update + * to the ibm,dynamic-memory property instead of adding/removing a + * memory node in the device tree. For these cases we still need to + * involve the notifier chain. + */ + if (!strcmp(name, "ibm,dynamic-memory")) { + int action; + + next_prop = parse_next_property(next_prop, end, &name, + &length, &value); + if (!next_prop) + return -EINVAL; + + if (!strcmp(name, "add")) + action = PSERIES_DRCONF_MEM_ADD; + else + action = PSERIES_DRCONF_MEM_REMOVE; + + blocking_notifier_call_chain(&pSeries_reconfig_chain, + action, value); + } + + return 0; } /** -- cgit v1.2.2 From 39fd0e92b3dc864f36c1253006b8b831844d36f1 Mon Sep 17 00:00:00 2001 From: John Linn Date: Thu, 3 Jul 2008 07:05:04 -0700 Subject: powerpc/virtex: add Xilinx Virtex 5 ppc440 platform support Support for the Xilinx Virtex5 FXT 440 is being added. Signed-off-by: John Linn Signed-off-by: Grant Likely --- arch/powerpc/platforms/44x/Kconfig | 26 ++++++++++++++++ arch/powerpc/platforms/44x/Makefile | 1 + arch/powerpc/platforms/44x/virtex.c | 60 +++++++++++++++++++++++++++++++++++++ 3 files changed, 87 insertions(+) create mode 100644 arch/powerpc/platforms/44x/virtex.c (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig index bee49ca704ef..249ba01c6674 100644 --- a/arch/powerpc/platforms/44x/Kconfig +++ b/arch/powerpc/platforms/44x/Kconfig @@ -111,6 +111,22 @@ config YOSEMITE # help # This option enables support for the IBM PPC440GX evaluation board. +config XILINX_VIRTEX440_GENERIC_BOARD + bool "Generic Xilinx Virtex 440 board" + depends on 44x + default n + select XILINX_VIRTEX_5_FXT + help + This option enables generic support for Xilinx Virtex based boards + that use a 440 based processor in the Virtex 5 FXT FPGA architecture. + + The generic virtex board support matches any device tree which + specifies 'xlnx,virtex440' in its compatible field. This includes + the Xilinx ML5xx reference designs using the powerpc core. + + Most Virtex 5 designs should use this unless it needs to do some + special configuration at board probe time. + # 44x specific CPU modules, selected based on the board above. config 440EP bool @@ -161,3 +177,13 @@ config 460EX # 44x errata/workaround config symbols, selected by the CPU models above config IBM440EP_ERR42 bool + +# Xilinx specific config options. +config XILINX_VIRTEX + bool + +# Xilinx Virtex 5 FXT FPGA architecture, selected by a Xilinx board above +config XILINX_VIRTEX_5_FXT + bool + select XILINX_VIRTEX + diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile index 4e71e77f9a23..8d0b1a192d62 100644 --- a/arch/powerpc/platforms/44x/Makefile +++ b/arch/powerpc/platforms/44x/Makefile @@ -10,3 +10,4 @@ obj-$(CONFIG_RAINIER) += rainier.o obj-$(CONFIG_WARP) += warp.o obj-$(CONFIG_WARP) += warp-nand.o obj-$(CONFIG_CANYONLANDS) += canyonlands.o +obj-$(CONFIG_XILINX_VIRTEX_5_FXT) += virtex.o diff --git a/arch/powerpc/platforms/44x/virtex.c b/arch/powerpc/platforms/44x/virtex.c new file mode 100644 index 000000000000..68637faf70ae --- /dev/null +++ b/arch/powerpc/platforms/44x/virtex.c @@ -0,0 +1,60 @@ +/* + * Xilinx Virtex 5FXT based board support, derived from + * the Xilinx Virtex (IIpro & 4FX) based board support + * + * Copyright 2007 Secret Lab Technologies Ltd. + * Copyright 2008 Xilinx, Inc. + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include "44x.h" + +static struct of_device_id xilinx_of_bus_ids[] __initdata = { + { .compatible = "simple-bus", }, + { .compatible = "xlnx,plb-v46-1.00.a", }, + { .compatible = "xlnx,plb-v46-1.02.a", }, + { .compatible = "xlnx,plb-v34-1.01.a", }, + { .compatible = "xlnx,plb-v34-1.02.a", }, + { .compatible = "xlnx,opb-v20-1.10.c", }, + { .compatible = "xlnx,dcr-v29-1.00.a", }, + { .compatible = "xlnx,compound", }, + {} +}; + +static int __init virtex_device_probe(void) +{ + of_platform_bus_probe(NULL, xilinx_of_bus_ids, NULL); + + return 0; +} +machine_device_initcall(virtex, virtex_device_probe); + +static int __init virtex_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (!of_flat_dt_is_compatible(root, "xlnx,virtex440")) + return 0; + + return 1; +} + +define_machine(virtex) { + .name = "Xilinx Virtex440", + .probe = virtex_probe, + .init_IRQ = xilinx_intc_init_tree, + .get_irq = xilinx_intc_get_irq, + .calibrate_decr = generic_calibrate_decr, + .restart = ppc4xx_reset_system, +}; -- cgit v1.2.2 From 46deed69b34d0aa6065e92ad79685e103d4ccd35 Mon Sep 17 00:00:00 2001 From: Luke Browning Date: Mon, 16 Jun 2008 11:36:43 +1000 Subject: powerpc/spufs: provide context debug file Add a ctxt file to spufs that shows spu context information that is used in scheduling. This info can be used for debugging spufs scheduler issues, and to isolate between application and spufs problems as it shows a lot of state such as priorities and dispatch counts. This file contains internal spufs state and is subject to change at any time, and therefore no applications should depend on it. The file is intended for the use of spufs kernel developers. Signed-off-by: Luke Browning Signed-off-by: Jeremy Kerr --- arch/powerpc/platforms/cell/spufs/file.c | 54 ++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index f74259979cb6..fc595d0db21d 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -2555,6 +2555,58 @@ void spu_switch_log_notify(struct spu *spu, struct spu_context *ctx, wake_up(&ctx->switch_log->wait); } +static int spufs_show_ctx(struct seq_file *s, void *private) +{ + struct spu_context *ctx = s->private; + u64 mfc_control_RW; + + mutex_lock(&ctx->state_mutex); + if (ctx->spu) { + struct spu *spu = ctx->spu; + struct spu_priv2 __iomem *priv2 = spu->priv2; + + spin_lock_irq(&spu->register_lock); + mfc_control_RW = in_be64(&priv2->mfc_control_RW); + spin_unlock_irq(&spu->register_lock); + } else { + struct spu_state *csa = &ctx->csa; + + mfc_control_RW = csa->priv2.mfc_control_RW; + } + + seq_printf(s, "%c flgs(%lx) sflgs(%lx) pri(%d) ts(%d) spu(%02d)" + " %c %lx %lx %lx %lx %x %x\n", + ctx->state == SPU_STATE_SAVED ? 'S' : 'R', + ctx->flags, + ctx->sched_flags, + ctx->prio, + ctx->time_slice, + ctx->spu ? ctx->spu->number : -1, + !list_empty(&ctx->rq) ? 'q' : ' ', + ctx->csa.class_0_pending, + ctx->csa.class_0_dar, + ctx->csa.class_1_dsisr, + mfc_control_RW, + ctx->ops->runcntl_read(ctx), + ctx->ops->status_read(ctx)); + + mutex_unlock(&ctx->state_mutex); + + return 0; +} + +static int spufs_ctx_open(struct inode *inode, struct file *file) +{ + return single_open(file, spufs_show_ctx, SPUFS_I(inode)->i_ctx); +} + +static const struct file_operations spufs_ctx_fops = { + .open = spufs_ctx_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + struct tree_descr spufs_dir_contents[] = { { "capabilities", &spufs_caps_fops, 0444, }, { "mem", &spufs_mem_fops, 0666, }, @@ -2591,6 +2643,7 @@ struct tree_descr spufs_dir_contents[] = { { "tid", &spufs_tid_fops, 0444, }, { "stat", &spufs_stat_fops, 0444, }, { "switch_log", &spufs_switch_log_fops, 0444 }, + { ".ctx", &spufs_ctx_fops, 0444, }, {}, }; @@ -2616,6 +2669,7 @@ struct tree_descr spufs_dir_nosched_contents[] = { { "object-id", &spufs_object_id_ops, 0666, }, { "tid", &spufs_tid_fops, 0444, }, { "stat", &spufs_stat_fops, 0444, }, + { ".ctx", &spufs_ctx_fops, 0444, }, {}, }; -- cgit v1.2.2 From 2442a8ba5abe2c27c572bc522da1c33df98c6ec7 Mon Sep 17 00:00:00 2001 From: Luke Browning Date: Fri, 6 Jun 2008 11:26:54 +0800 Subject: powerpc/spufs: don't extend time time slice if context is not in spu_run An spu context shouldn't get an extra tick if the time slice code couldn't find something else to run. This means contexts that are not within spu_run (ie, SPU_SCHED_SPU_RUN is cleared) will not receive extra ticks while we have no other contexts waiting. Signed-off-by: Luke Browning Signed-off-by: Jeremy Kerr --- arch/powerpc/platforms/cell/spufs/sched.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index e929e70a84e3..afb92d4fbcf5 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -899,7 +899,8 @@ static noinline void spusched_tick(struct spu_context *ctx) spu_add_to_rq(ctx); } else { spu_context_nospu_trace(spusched_tick__newslice, ctx); - ctx->time_slice++; + if (!ctx->time_slice) + ctx->time_slice++; } out: spu_release(ctx); -- cgit v1.2.2 From 87ff6090bfe416c71730654ab53cd4ecffdd675e Mon Sep 17 00:00:00 2001 From: Jeremy Kerr Date: Tue, 1 Jul 2008 10:22:50 +1000 Subject: powerpc/spufs: avoid magic numbers for mapping sizes Use a set of #defines for the size of context mappings, instead of magic numbers. Signed-off-by: Jeremy Kerr --- arch/powerpc/platforms/cell/spufs/context.c | 12 ++++++------ arch/powerpc/platforms/cell/spufs/file.c | 24 ++++++++++++------------ arch/powerpc/platforms/cell/spufs/spufs.h | 7 +++++++ 3 files changed, 25 insertions(+), 18 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/cell/spufs/context.c b/arch/powerpc/platforms/cell/spufs/context.c index 177735f79317..6653ddbed048 100644 --- a/arch/powerpc/platforms/cell/spufs/context.c +++ b/arch/powerpc/platforms/cell/spufs/context.c @@ -130,17 +130,17 @@ void spu_unmap_mappings(struct spu_context *ctx) if (ctx->local_store) unmap_mapping_range(ctx->local_store, 0, LS_SIZE, 1); if (ctx->mfc) - unmap_mapping_range(ctx->mfc, 0, 0x1000, 1); + unmap_mapping_range(ctx->mfc, 0, SPUFS_MFC_MAP_SIZE, 1); if (ctx->cntl) - unmap_mapping_range(ctx->cntl, 0, 0x1000, 1); + unmap_mapping_range(ctx->cntl, 0, SPUFS_CNTL_MAP_SIZE, 1); if (ctx->signal1) - unmap_mapping_range(ctx->signal1, 0, PAGE_SIZE, 1); + unmap_mapping_range(ctx->signal1, 0, SPUFS_SIGNAL_MAP_SIZE, 1); if (ctx->signal2) - unmap_mapping_range(ctx->signal2, 0, PAGE_SIZE, 1); + unmap_mapping_range(ctx->signal2, 0, SPUFS_SIGNAL_MAP_SIZE, 1); if (ctx->mss) - unmap_mapping_range(ctx->mss, 0, 0x1000, 1); + unmap_mapping_range(ctx->mss, 0, SPUFS_MSS_MAP_SIZE, 1); if (ctx->psmap) - unmap_mapping_range(ctx->psmap, 0, 0x20000, 1); + unmap_mapping_range(ctx->psmap, 0, SPUFS_PS_MAP_SIZE, 1); mutex_unlock(&ctx->mapping_lock); } diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index fc595d0db21d..d0a497d9140b 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -410,7 +410,7 @@ refault: static int spufs_cntl_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { - return spufs_ps_fault(vma, vmf, 0x4000, 0x1000); + return spufs_ps_fault(vma, vmf, 0x4000, SPUFS_CNTL_MAP_SIZE); } static struct vm_operations_struct spufs_cntl_mmap_vmops = { @@ -1102,13 +1102,13 @@ static ssize_t spufs_signal1_write(struct file *file, const char __user *buf, static int spufs_signal1_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { -#if PAGE_SIZE == 0x1000 - return spufs_ps_fault(vma, vmf, 0x14000, 0x1000); -#elif PAGE_SIZE == 0x10000 +#if SPUFS_SIGNAL_MAP_SIZE == 0x1000 + return spufs_ps_fault(vma, vmf, 0x14000, SPUFS_SIGNAL_MAP_SIZE); +#elif SPUFS_SIGNAL_MAP_SIZE == 0x10000 /* For 64k pages, both signal1 and signal2 can be used to mmap the whole * signal 1 and 2 area */ - return spufs_ps_fault(vma, vmf, 0x10000, 0x10000); + return spufs_ps_fault(vma, vmf, 0x10000, SPUFS_SIGNAL_MAP_SIZE); #else #error unsupported page size #endif @@ -1239,13 +1239,13 @@ static ssize_t spufs_signal2_write(struct file *file, const char __user *buf, static int spufs_signal2_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { -#if PAGE_SIZE == 0x1000 - return spufs_ps_fault(vma, vmf, 0x1c000, 0x1000); -#elif PAGE_SIZE == 0x10000 +#if SPUFS_SIGNAL_MAP_SIZE == 0x1000 + return spufs_ps_fault(vma, vmf, 0x1c000, SPUFS_SIGNAL_MAP_SIZE); +#elif SPUFS_SIGNAL_MAP_SIZE == 0x10000 /* For 64k pages, both signal1 and signal2 can be used to mmap the whole * signal 1 and 2 area */ - return spufs_ps_fault(vma, vmf, 0x10000, 0x10000); + return spufs_ps_fault(vma, vmf, 0x10000, SPUFS_SIGNAL_MAP_SIZE); #else #error unsupported page size #endif @@ -1367,7 +1367,7 @@ DEFINE_SPUFS_ATTRIBUTE(spufs_signal2_type, spufs_signal2_type_get, static int spufs_mss_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { - return spufs_ps_fault(vma, vmf, 0x0000, 0x1000); + return spufs_ps_fault(vma, vmf, 0x0000, SPUFS_MSS_MAP_SIZE); } static struct vm_operations_struct spufs_mss_mmap_vmops = { @@ -1429,7 +1429,7 @@ static const struct file_operations spufs_mss_fops = { static int spufs_psmap_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { - return spufs_ps_fault(vma, vmf, 0x0000, 0x20000); + return spufs_ps_fault(vma, vmf, 0x0000, SPUFS_PS_MAP_SIZE); } static struct vm_operations_struct spufs_psmap_mmap_vmops = { @@ -1489,7 +1489,7 @@ static const struct file_operations spufs_psmap_fops = { static int spufs_mfc_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { - return spufs_ps_fault(vma, vmf, 0x3000, 0x1000); + return spufs_ps_fault(vma, vmf, 0x3000, SPUFS_MFC_MAP_SIZE); } static struct vm_operations_struct spufs_mfc_mmap_vmops = { diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h index 454c277c1457..433dece5c823 100644 --- a/arch/powerpc/platforms/cell/spufs/spufs.h +++ b/arch/powerpc/platforms/cell/spufs/spufs.h @@ -32,6 +32,13 @@ #include #include +#define SPUFS_PS_MAP_SIZE 0x20000 +#define SPUFS_MFC_MAP_SIZE 0x1000 +#define SPUFS_CNTL_MAP_SIZE 0x1000 +#define SPUFS_CNTL_MAP_SIZE 0x1000 +#define SPUFS_SIGNAL_MAP_SIZE PAGE_SIZE +#define SPUFS_MSS_MAP_SIZE 0x1000 + /* The magic number for our file system */ enum { SPUFS_MAGIC = 0x23c9b64e, -- cgit v1.2.2 From 23d893f51cde7013e4c29094da2237cce4f20035 Mon Sep 17 00:00:00 2001 From: Jeremy Kerr Date: Mon, 30 Jun 2008 12:17:28 +1000 Subject: powerpc/spufs: allow spufs files to specify sizes Currently, spufs never specifies the i_size for the files in context directories, so stat() always reports 0-byte files. This change adds allows the spufs_dir_(nosched_)contents arrays to specify a file size. This allows stat() to report correct file sizes, and makes SEEK_END work. Signed-off-by: Jeremy Kerr --- arch/powerpc/platforms/cell/spufs/file.c | 4 ++-- arch/powerpc/platforms/cell/spufs/inode.c | 7 ++++--- arch/powerpc/platforms/cell/spufs/spufs.h | 11 +++++++++-- 3 files changed, 15 insertions(+), 7 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index d0a497d9140b..9533a8ad33f2 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -2607,7 +2607,7 @@ static const struct file_operations spufs_ctx_fops = { .release = single_release, }; -struct tree_descr spufs_dir_contents[] = { +struct spufs_tree_descr spufs_dir_contents[] = { { "capabilities", &spufs_caps_fops, 0444, }, { "mem", &spufs_mem_fops, 0666, }, { "regs", &spufs_regs_fops, 0666, }, @@ -2647,7 +2647,7 @@ struct tree_descr spufs_dir_contents[] = { {}, }; -struct tree_descr spufs_dir_nosched_contents[] = { +struct spufs_tree_descr spufs_dir_nosched_contents[] = { { "capabilities", &spufs_caps_fops, 0444, }, { "mem", &spufs_mem_fops, 0666, }, { "mbox", &spufs_mbox_fops, 0444, }, diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index f407b2471855..c662ca783601 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -109,7 +109,7 @@ spufs_setattr(struct dentry *dentry, struct iattr *attr) static int spufs_new_file(struct super_block *sb, struct dentry *dentry, const struct file_operations *fops, int mode, - struct spu_context *ctx) + size_t size, struct spu_context *ctx) { static struct inode_operations spufs_file_iops = { .setattr = spufs_setattr, @@ -125,6 +125,7 @@ spufs_new_file(struct super_block *sb, struct dentry *dentry, ret = 0; inode->i_op = &spufs_file_iops; inode->i_fop = fops; + inode->i_size = size; inode->i_private = SPUFS_I(inode)->i_ctx = get_spu_context(ctx); d_add(dentry, inode); out: @@ -177,7 +178,7 @@ static int spufs_rmdir(struct inode *parent, struct dentry *dir) return simple_rmdir(parent, dir); } -static int spufs_fill_dir(struct dentry *dir, struct tree_descr *files, +static int spufs_fill_dir(struct dentry *dir, struct spufs_tree_descr *files, int mode, struct spu_context *ctx) { struct dentry *dentry, *tmp; @@ -189,7 +190,7 @@ static int spufs_fill_dir(struct dentry *dir, struct tree_descr *files, if (!dentry) goto out; ret = spufs_new_file(dir->d_sb, dentry, files->ops, - files->mode & mode, ctx); + files->mode & mode, files->size, ctx); if (ret) goto out; files++; diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h index 433dece5c823..413605406bda 100644 --- a/arch/powerpc/platforms/cell/spufs/spufs.h +++ b/arch/powerpc/platforms/cell/spufs/spufs.h @@ -235,8 +235,15 @@ struct spufs_inode_info { #define SPUFS_I(inode) \ container_of(inode, struct spufs_inode_info, vfs_inode) -extern struct tree_descr spufs_dir_contents[]; -extern struct tree_descr spufs_dir_nosched_contents[]; +struct spufs_tree_descr { + const char *name; + const struct file_operations *ops; + int mode; + size_t size; +}; + +extern struct spufs_tree_descr spufs_dir_contents[]; +extern struct spufs_tree_descr spufs_dir_nosched_contents[]; /* system call implementation */ extern struct spufs_calls spufs_calls; -- cgit v1.2.2 From 6f7dde812defe5bc49cf463ac1579ffeda5cbfd4 Mon Sep 17 00:00:00 2001 From: Jeremy Kerr Date: Mon, 30 Jun 2008 14:38:37 +1000 Subject: powerpc/spufs: add sizes for context files Populate the size member of a few context files. Leave out files that have different semantics with read vs mmap, or contain a variable-length hex string. Signed-off-by: Jeremy Kerr --- arch/powerpc/platforms/cell/spufs/file.c | 36 +++++++++++++++++--------------- 1 file changed, 19 insertions(+), 17 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index 9533a8ad33f2..fee645b580cc 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -2609,20 +2609,20 @@ static const struct file_operations spufs_ctx_fops = { struct spufs_tree_descr spufs_dir_contents[] = { { "capabilities", &spufs_caps_fops, 0444, }, - { "mem", &spufs_mem_fops, 0666, }, - { "regs", &spufs_regs_fops, 0666, }, + { "mem", &spufs_mem_fops, 0666, LS_SIZE, }, + { "regs", &spufs_regs_fops, 0666, sizeof(struct spu_reg128[128]), }, { "mbox", &spufs_mbox_fops, 0444, }, { "ibox", &spufs_ibox_fops, 0444, }, { "wbox", &spufs_wbox_fops, 0222, }, - { "mbox_stat", &spufs_mbox_stat_fops, 0444, }, - { "ibox_stat", &spufs_ibox_stat_fops, 0444, }, - { "wbox_stat", &spufs_wbox_stat_fops, 0444, }, + { "mbox_stat", &spufs_mbox_stat_fops, 0444, sizeof(u32), }, + { "ibox_stat", &spufs_ibox_stat_fops, 0444, sizeof(u32), }, + { "wbox_stat", &spufs_wbox_stat_fops, 0444, sizeof(u32), }, { "signal1", &spufs_signal1_fops, 0666, }, { "signal2", &spufs_signal2_fops, 0666, }, { "signal1_type", &spufs_signal1_type, 0666, }, { "signal2_type", &spufs_signal2_type, 0666, }, { "cntl", &spufs_cntl_fops, 0666, }, - { "fpcr", &spufs_fpcr_fops, 0666, }, + { "fpcr", &spufs_fpcr_fops, 0666, sizeof(struct spu_reg128), }, { "lslr", &spufs_lslr_ops, 0444, }, { "mfc", &spufs_mfc_fops, 0666, }, { "mss", &spufs_mss_fops, 0666, }, @@ -2632,14 +2632,16 @@ struct spufs_tree_descr spufs_dir_contents[] = { { "decr_status", &spufs_decr_status_ops, 0666, }, { "event_mask", &spufs_event_mask_ops, 0666, }, { "event_status", &spufs_event_status_ops, 0444, }, - { "psmap", &spufs_psmap_fops, 0666, }, + { "psmap", &spufs_psmap_fops, 0666, SPUFS_PS_MAP_SIZE, }, { "phys-id", &spufs_id_ops, 0666, }, { "object-id", &spufs_object_id_ops, 0666, }, - { "mbox_info", &spufs_mbox_info_fops, 0444, }, - { "ibox_info", &spufs_ibox_info_fops, 0444, }, - { "wbox_info", &spufs_wbox_info_fops, 0444, }, - { "dma_info", &spufs_dma_info_fops, 0444, }, - { "proxydma_info", &spufs_proxydma_info_fops, 0444, }, + { "mbox_info", &spufs_mbox_info_fops, 0444, sizeof(u32), }, + { "ibox_info", &spufs_ibox_info_fops, 0444, sizeof(u32), }, + { "wbox_info", &spufs_wbox_info_fops, 0444, sizeof(u32), }, + { "dma_info", &spufs_dma_info_fops, 0444, + sizeof(struct spu_dma_info), }, + { "proxydma_info", &spufs_proxydma_info_fops, 0444, + sizeof(struct spu_proxydma_info)}, { "tid", &spufs_tid_fops, 0444, }, { "stat", &spufs_stat_fops, 0444, }, { "switch_log", &spufs_switch_log_fops, 0444 }, @@ -2649,13 +2651,13 @@ struct spufs_tree_descr spufs_dir_contents[] = { struct spufs_tree_descr spufs_dir_nosched_contents[] = { { "capabilities", &spufs_caps_fops, 0444, }, - { "mem", &spufs_mem_fops, 0666, }, + { "mem", &spufs_mem_fops, 0666, LS_SIZE, }, { "mbox", &spufs_mbox_fops, 0444, }, { "ibox", &spufs_ibox_fops, 0444, }, { "wbox", &spufs_wbox_fops, 0222, }, - { "mbox_stat", &spufs_mbox_stat_fops, 0444, }, - { "ibox_stat", &spufs_ibox_stat_fops, 0444, }, - { "wbox_stat", &spufs_wbox_stat_fops, 0444, }, + { "mbox_stat", &spufs_mbox_stat_fops, 0444, sizeof(u32), }, + { "ibox_stat", &spufs_ibox_stat_fops, 0444, sizeof(u32), }, + { "wbox_stat", &spufs_wbox_stat_fops, 0444, sizeof(u32), }, { "signal1", &spufs_signal1_nosched_fops, 0222, }, { "signal2", &spufs_signal2_nosched_fops, 0222, }, { "signal1_type", &spufs_signal1_type, 0666, }, @@ -2664,7 +2666,7 @@ struct spufs_tree_descr spufs_dir_nosched_contents[] = { { "mfc", &spufs_mfc_fops, 0666, }, { "cntl", &spufs_cntl_fops, 0666, }, { "npc", &spufs_npc_ops, 0666, }, - { "psmap", &spufs_psmap_fops, 0666, }, + { "psmap", &spufs_psmap_fops, 0666, SPUFS_PS_MAP_SIZE, }, { "phys-id", &spufs_id_ops, 0666, }, { "object-id", &spufs_object_id_ops, 0666, }, { "tid", &spufs_tid_fops, 0444, }, -- cgit v1.2.2 From 2c3e47871d18f93b8bc2892fb41432111201356d Mon Sep 17 00:00:00 2001 From: Jeremy Kerr Date: Thu, 3 Jul 2008 11:42:20 +1000 Subject: powerpc/spufs: only add ".ctx" file with "debug" mount option Currently, the .ctx debug file in spu context directories is always present. We'd prefer to prevent users from relying on this file, so add a "debug" mount option to spufs. The .ctx file will only be added to the context directories when this option is present. Signed-off-by: Jeremy Kerr --- arch/powerpc/platforms/cell/spufs/file.c | 5 +++- arch/powerpc/platforms/cell/spufs/inode.c | 40 +++++++++++++++++++++++++------ arch/powerpc/platforms/cell/spufs/spufs.h | 1 + 3 files changed, 38 insertions(+), 8 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index fee645b580cc..99c73066b82f 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -2645,7 +2645,6 @@ struct spufs_tree_descr spufs_dir_contents[] = { { "tid", &spufs_tid_fops, 0444, }, { "stat", &spufs_stat_fops, 0444, }, { "switch_log", &spufs_switch_log_fops, 0444 }, - { ".ctx", &spufs_ctx_fops, 0444, }, {}, }; @@ -2671,6 +2670,10 @@ struct spufs_tree_descr spufs_dir_nosched_contents[] = { { "object-id", &spufs_object_id_ops, 0666, }, { "tid", &spufs_tid_fops, 0444, }, { "stat", &spufs_stat_fops, 0444, }, + {}, +}; + +struct spufs_tree_descr spufs_dir_debug_contents[] = { { ".ctx", &spufs_ctx_fops, 0444, }, {}, }; diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index c662ca783601..7123472801d9 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -42,10 +42,19 @@ #include "spufs.h" +struct spufs_sb_info { + int debug; +}; + static struct kmem_cache *spufs_inode_cache; char *isolated_loader; static int isolated_loader_size; +static struct spufs_sb_info *spufs_get_sb_info(struct super_block *sb) +{ + return sb->s_fs_info; +} + static struct inode * spufs_alloc_inode(struct super_block *sb) { @@ -280,6 +289,13 @@ spufs_mkdir(struct inode *dir, struct dentry *dentry, unsigned int flags, if (ret) goto out_free_ctx; + if (spufs_get_sb_info(dir->i_sb)->debug) + ret = spufs_fill_dir(dentry, spufs_dir_debug_contents, + mode, ctx); + + if (ret) + goto out_free_ctx; + d_instantiate(dentry, inode); dget(dentry); dir->i_nlink++; @@ -640,18 +656,19 @@ out: /* File system initialization */ enum { - Opt_uid, Opt_gid, Opt_mode, Opt_err, + Opt_uid, Opt_gid, Opt_mode, Opt_debug, Opt_err, }; static match_table_t spufs_tokens = { - { Opt_uid, "uid=%d" }, - { Opt_gid, "gid=%d" }, - { Opt_mode, "mode=%o" }, - { Opt_err, NULL }, + { Opt_uid, "uid=%d" }, + { Opt_gid, "gid=%d" }, + { Opt_mode, "mode=%o" }, + { Opt_debug, "debug" }, + { Opt_err, NULL }, }; static int -spufs_parse_options(char *options, struct inode *root) +spufs_parse_options(struct super_block *sb, char *options, struct inode *root) { char *p; substring_t args[MAX_OPT_ARGS]; @@ -679,6 +696,9 @@ spufs_parse_options(char *options, struct inode *root) return 0; root->i_mode = option | S_IFDIR; break; + case Opt_debug: + spufs_get_sb_info(sb)->debug = 1; + break; default: return 0; } @@ -737,7 +757,7 @@ spufs_create_root(struct super_block *sb, void *data) SPUFS_I(inode)->i_ctx = NULL; ret = -EINVAL; - if (!spufs_parse_options(data, inode)) + if (!spufs_parse_options(sb, data, inode)) goto out_iput; ret = -ENOMEM; @@ -755,6 +775,7 @@ out: static int spufs_fill_super(struct super_block *sb, void *data, int silent) { + struct spufs_sb_info *info; static struct super_operations s_ops = { .alloc_inode = spufs_alloc_inode, .destroy_inode = spufs_destroy_inode, @@ -766,11 +787,16 @@ spufs_fill_super(struct super_block *sb, void *data, int silent) save_mount_options(sb, data); + info = kzalloc(sizeof(*info), GFP_KERNEL); + if (!info) + return -ENOMEM; + sb->s_maxbytes = MAX_LFS_FILESIZE; sb->s_blocksize = PAGE_CACHE_SIZE; sb->s_blocksize_bits = PAGE_CACHE_SHIFT; sb->s_magic = SPUFS_MAGIC; sb->s_op = &s_ops; + sb->s_fs_info = info; return spufs_create_root(sb, data); } diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h index 413605406bda..8ae8ef9dfc22 100644 --- a/arch/powerpc/platforms/cell/spufs/spufs.h +++ b/arch/powerpc/platforms/cell/spufs/spufs.h @@ -244,6 +244,7 @@ struct spufs_tree_descr { extern struct spufs_tree_descr spufs_dir_contents[]; extern struct spufs_tree_descr spufs_dir_nosched_contents[]; +extern struct spufs_tree_descr spufs_dir_debug_contents[]; /* system call implementation */ extern struct spufs_calls spufs_calls; -- cgit v1.2.2 From 88b90c96b787ecb5c72384b6873468f814cce650 Mon Sep 17 00:00:00 2001 From: Geoff Levand Date: Wed, 2 Jul 2008 04:17:05 +1000 Subject: powerpc/ps3: Quiet system bus match output Reduce the output verbosity of ps3_system_bus_match(). Signed-off-by: Geoff Levand Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/ps3/system-bus.c | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c index 43c493fca2d0..cf215e981c3e 100644 --- a/arch/powerpc/platforms/ps3/system-bus.c +++ b/arch/powerpc/platforms/ps3/system-bus.c @@ -349,9 +349,14 @@ static int ps3_system_bus_match(struct device *_dev, result = dev->match_id == drv->match_id; - pr_info("%s:%d: dev=%u(%s), drv=%u(%s): %s\n", __func__, __LINE__, - dev->match_id, dev->core.bus_id, drv->match_id, drv->core.name, - (result ? "match" : "miss")); + if (result) + pr_info("%s:%d: dev=%u(%s), drv=%u(%s): match\n", __func__, + __LINE__, dev->match_id, dev->core.bus_id, + drv->match_id, drv->core.name); + else + pr_debug("%s:%d: dev=%u(%s), drv=%u(%s): miss\n", __func__, + __LINE__, dev->match_id, dev->core.bus_id, + drv->match_id, drv->core.name); return result; } @@ -362,7 +367,7 @@ static int ps3_system_bus_probe(struct device *_dev) struct ps3_system_bus_driver *drv; BUG_ON(!dev); - pr_info(" -> %s:%d: %s\n", __func__, __LINE__, _dev->bus_id); + pr_debug(" -> %s:%d: %s\n", __func__, __LINE__, _dev->bus_id); drv = ps3_system_bus_dev_to_system_bus_drv(dev); BUG_ON(!drv); @@ -370,10 +375,10 @@ static int ps3_system_bus_probe(struct device *_dev) if (drv->probe) result = drv->probe(dev); else - pr_info("%s:%d: %s no probe method\n", __func__, __LINE__, + pr_debug("%s:%d: %s no probe method\n", __func__, __LINE__, dev->core.bus_id); - pr_info(" <- %s:%d: %s\n", __func__, __LINE__, dev->core.bus_id); + pr_debug(" <- %s:%d: %s\n", __func__, __LINE__, dev->core.bus_id); return result; } @@ -384,7 +389,7 @@ static int ps3_system_bus_remove(struct device *_dev) struct ps3_system_bus_driver *drv; BUG_ON(!dev); - pr_info(" -> %s:%d: %s\n", __func__, __LINE__, _dev->bus_id); + pr_debug(" -> %s:%d: %s\n", __func__, __LINE__, _dev->bus_id); drv = ps3_system_bus_dev_to_system_bus_drv(dev); BUG_ON(!drv); @@ -395,7 +400,7 @@ static int ps3_system_bus_remove(struct device *_dev) dev_dbg(&dev->core, "%s:%d %s: no remove method\n", __func__, __LINE__, drv->core.name); - pr_info(" <- %s:%d: %s\n", __func__, __LINE__, dev->core.bus_id); + pr_debug(" <- %s:%d: %s\n", __func__, __LINE__, dev->core.bus_id); return result; } -- cgit v1.2.2 From fabb657005edbbcb0d13ee49a40f1f4b042a1d19 Mon Sep 17 00:00:00 2001 From: Maxim Shchetynin Date: Sat, 5 Jul 2008 05:05:39 +1000 Subject: powerpc/spufs: add atomic busy_spus counter to struct cbe_spu_info As nr_active counter includes also spus waiting for syscalls to return we need a seperate counter that only counts spus that are currently running on spu side. This counter shall be used by a cpufreq governor that targets a frequency dependent from the number of running spus. Signed-off-by: Christian Krafft Acked-by: Jeremy Kerr Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/cell/spufs/sched.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index afb92d4fbcf5..34654743363d 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -994,6 +994,7 @@ void spuctx_switch_state(struct spu_context *ctx, struct timespec ts; struct spu *spu; enum spu_utilization_state old_state; + int node; ktime_get_ts(&ts); curtime = timespec_to_ns(&ts); @@ -1015,6 +1016,11 @@ void spuctx_switch_state(struct spu_context *ctx, spu->stats.times[old_state] += delta; spu->stats.util_state = new_state; spu->stats.tstamp = curtime; + node = spu->node; + if (old_state == SPU_UTIL_USER) + atomic_dec(&cbe_spu_info[node].busy_spus); + if (new_state == SPU_UTIL_USER); + atomic_inc(&cbe_spu_info[node].busy_spus); } } -- cgit v1.2.2 From 3affedc4e1ce837033b6c5e9289d2ce2f5a62d31 Mon Sep 17 00:00:00 2001 From: Mark Nelson Date: Sat, 5 Jul 2008 05:05:42 +1000 Subject: powerpc/dma: implement new dma_*map*_attrs() interfaces Update powerpc to use the new dma_*map*_attrs() interfaces. In doing so update struct dma_mapping_ops to accept a struct dma_attrs and propagate these changes through to all users of the code (generic IOMMU and the 64bit DMA code, and the iseries and ps3 platform code). The old dma_*map_*() interfaces are reimplemented as calls to the corresponding new interfaces. Signed-off-by: Mark Nelson Signed-off-by: Arnd Bergmann Acked-by: Geoff Levand Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/iseries/iommu.c | 4 ++-- arch/powerpc/platforms/ps3/system-bus.c | 17 ++++++++++------- 2 files changed, 12 insertions(+), 9 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/iseries/iommu.c b/arch/powerpc/platforms/iseries/iommu.c index 11fa3c772ed5..ab5d8687c3cf 100644 --- a/arch/powerpc/platforms/iseries/iommu.c +++ b/arch/powerpc/platforms/iseries/iommu.c @@ -214,13 +214,13 @@ dma_addr_t iseries_hv_map(void *vaddr, size_t size, enum dma_data_direction direction) { return iommu_map_single(NULL, &vio_iommu_table, vaddr, size, - DMA_32BIT_MASK, direction); + DMA_32BIT_MASK, direction, NULL); } void iseries_hv_unmap(dma_addr_t dma_handle, size_t size, enum dma_data_direction direction) { - iommu_unmap_single(&vio_iommu_table, dma_handle, size, direction); + iommu_unmap_single(&vio_iommu_table, dma_handle, size, direction, NULL); } void __init iommu_vio_init(void) diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c index cf215e981c3e..d66c3628a112 100644 --- a/arch/powerpc/platforms/ps3/system-bus.c +++ b/arch/powerpc/platforms/ps3/system-bus.c @@ -555,7 +555,7 @@ static void ps3_free_coherent(struct device *_dev, size_t size, void *vaddr, */ static dma_addr_t ps3_sb_map_single(struct device *_dev, void *ptr, size_t size, - enum dma_data_direction direction) + enum dma_data_direction direction, struct dma_attrs *attrs) { struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev); int result; @@ -575,7 +575,8 @@ static dma_addr_t ps3_sb_map_single(struct device *_dev, void *ptr, size_t size, static dma_addr_t ps3_ioc0_map_single(struct device *_dev, void *ptr, size_t size, - enum dma_data_direction direction) + enum dma_data_direction direction, + struct dma_attrs *attrs) { struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev); int result; @@ -608,7 +609,7 @@ static dma_addr_t ps3_ioc0_map_single(struct device *_dev, void *ptr, } static void ps3_unmap_single(struct device *_dev, dma_addr_t dma_addr, - size_t size, enum dma_data_direction direction) + size_t size, enum dma_data_direction direction, struct dma_attrs *attrs) { struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev); int result; @@ -622,7 +623,7 @@ static void ps3_unmap_single(struct device *_dev, dma_addr_t dma_addr, } static int ps3_sb_map_sg(struct device *_dev, struct scatterlist *sgl, - int nents, enum dma_data_direction direction) + int nents, enum dma_data_direction direction, struct dma_attrs *attrs) { #if defined(CONFIG_PS3_DYNAMIC_DMA) BUG_ON("do"); @@ -651,14 +652,15 @@ static int ps3_sb_map_sg(struct device *_dev, struct scatterlist *sgl, static int ps3_ioc0_map_sg(struct device *_dev, struct scatterlist *sg, int nents, - enum dma_data_direction direction) + enum dma_data_direction direction, + struct dma_attrs *attrs) { BUG(); return 0; } static void ps3_sb_unmap_sg(struct device *_dev, struct scatterlist *sg, - int nents, enum dma_data_direction direction) + int nents, enum dma_data_direction direction, struct dma_attrs *attrs) { #if defined(CONFIG_PS3_DYNAMIC_DMA) BUG_ON("do"); @@ -666,7 +668,8 @@ static void ps3_sb_unmap_sg(struct device *_dev, struct scatterlist *sg, } static void ps3_ioc0_unmap_sg(struct device *_dev, struct scatterlist *sg, - int nents, enum dma_data_direction direction) + int nents, enum dma_data_direction direction, + struct dma_attrs *attrs) { BUG(); } -- cgit v1.2.2 From 7e5f8105030038de94b44a74cd7b64dd000830fc Mon Sep 17 00:00:00 2001 From: Mark Nelson Date: Sat, 5 Jul 2008 05:05:44 +1000 Subject: powerpc/cell: cell_dma_dev_setup_iommu() return the iommu table Make cell_dma_dev_setup_iommu() return a pointer to the struct iommu_table (or NULL if no table can be found) rather than putting this pointer into dev->archdata.dma_data (let the caller do that), and rename this function to cell_get_iommu_table() to reflect this change. This will allow us to get the iommu table for a device that doesn't have the table in the archdata. Signed-off-by: Mark Nelson Signed-off-by: Arnd Bergmann Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/cell/iommu.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c index 45646b2b4af4..eeacb3a52ca1 100644 --- a/arch/powerpc/platforms/cell/iommu.c +++ b/arch/powerpc/platforms/cell/iommu.c @@ -540,7 +540,7 @@ static unsigned long cell_dma_direct_offset; static unsigned long dma_iommu_fixed_base; struct dma_mapping_ops dma_iommu_fixed_ops; -static void cell_dma_dev_setup_iommu(struct device *dev) +static struct iommu_table *cell_get_iommu_table(struct device *dev) { struct iommu_window *window; struct cbe_iommu *iommu; @@ -555,11 +555,11 @@ static void cell_dma_dev_setup_iommu(struct device *dev) printk(KERN_ERR "iommu: missing iommu for %s (node %d)\n", archdata->of_node ? archdata->of_node->full_name : "?", archdata->numa_node); - return; + return NULL; } window = list_entry(iommu->windows.next, struct iommu_window, list); - archdata->dma_data = &window->table; + return &window->table; } static void cell_dma_dev_setup_fixed(struct device *dev); @@ -572,7 +572,7 @@ static void cell_dma_dev_setup(struct device *dev) if (get_dma_ops(dev) == &dma_iommu_fixed_ops) cell_dma_dev_setup_fixed(dev); else if (get_pci_dma_ops() == &dma_iommu_ops) - cell_dma_dev_setup_iommu(dev); + archdata->dma_data = cell_get_iommu_table(dev); else if (get_pci_dma_ops() == &dma_direct_ops) archdata->dma_data = (void *)cell_dma_direct_offset; else -- cgit v1.2.2 From 801eb73f45371accc78ca9d6d22d647eeb722c11 Mon Sep 17 00:00:00 2001 From: Dave Kleikamp Date: Tue, 8 Jul 2008 00:28:55 +1000 Subject: powerpc/mm: Don't clear _PAGE_COHERENT when _PAGE_SAO is set The current low level hash code on LPAR configurations clears _PAGE_COHERENT (M) when either _PAGE_GUARDED (G) or _PAGE_NO_CACHE (I) is set. This conflicts with _PAGE_SAO which has M, I and W bits sets at once (normally invalid combo) to indicate the new SAO attribute. This changes the code to allow that case. Signed-off-by: Dave Kleikamp Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/pseries/lpar.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index 3b4651b6ee05..38b5927b3629 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -305,7 +305,8 @@ static long pSeries_lpar_hpte_insert(unsigned long hpte_group, flags = 0; /* Make pHyp happy */ - if (rflags & (_PAGE_GUARDED|_PAGE_NO_CACHE)) + if ((rflags & _PAGE_GUARDED) || + ((rflags & _PAGE_NO_CACHE) & !(rflags & _PAGE_WRITETHRU))) hpte_r &= ~_PAGE_COHERENT; lpar_rc = plpar_pte_enter(flags, hpte_group, hpte_v, hpte_r, &slot); -- cgit v1.2.2 From cde274c0c789404df8ece3f9e7d6506caf0127e2 Mon Sep 17 00:00:00 2001 From: Mike Mason Date: Wed, 9 Jul 2008 02:04:35 +1000 Subject: powerpc/eeh: PERR/SERR bit settings during EEH device recovery The following patch restores the PERR and SERR bits in the PCI command register during an EEH device recovery. We have found at least one case (an Agilent test card) where the PERR/SERR bits are set to 1 by firmware at boot time, but are not restored to 1 during EEH recovery. The patch fixes the Agilent card problem. It has been tested on several other EEH-enabled cards with no regressions. Signed-off-by: Mike Mason Acked-by: Linas Vepstas Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/pseries/eeh.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index 6f544ba4b37f..c027f0a70a04 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -812,6 +812,7 @@ int rtas_set_slot_reset(struct pci_dn *pdn) static inline void __restore_bars (struct pci_dn *pdn) { int i; + u32 cmd; if (NULL==pdn->phb) return; for (i=4; i<10; i++) { @@ -832,6 +833,19 @@ static inline void __restore_bars (struct pci_dn *pdn) /* max latency, min grant, interrupt pin and line */ rtas_write_config(pdn, 15*4, 4, pdn->config_space[15]); + + /* Restore PERR & SERR bits, some devices require it, + don't touch the other command bits */ + rtas_read_config(pdn, PCI_COMMAND, 4, &cmd); + if (pdn->config_space[1] & PCI_COMMAND_PARITY) + cmd |= PCI_COMMAND_PARITY; + else + cmd &= ~PCI_COMMAND_PARITY; + if (pdn->config_space[1] & PCI_COMMAND_SERR) + cmd |= PCI_COMMAND_SERR; + else + cmd &= ~PCI_COMMAND_SERR; + rtas_write_config(pdn, PCI_COMMAND, 4, cmd); } /** -- cgit v1.2.2 From 4248652d4f3ce6be1a94c77ddbfeb937af1df800 Mon Sep 17 00:00:00 2001 From: Sean MacLennan Date: Wed, 9 Jul 2008 05:00:10 +1000 Subject: powerpc/44x: Support NAND boot for Rev A Warp boards Allow the Rev A Warp boards to boot from NAND. Signed-off-by: Sean MacLennan Signed-off-by: Josh Boyer --- arch/powerpc/platforms/44x/warp-nand.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/44x/warp-nand.c b/arch/powerpc/platforms/44x/warp-nand.c index 7bec2815771a..e55746b824b4 100644 --- a/arch/powerpc/platforms/44x/warp-nand.c +++ b/arch/powerpc/platforms/44x/warp-nand.c @@ -113,9 +113,14 @@ static int warp_setup_nand_flash(void) pp = of_find_property(np, "reg", NULL); if (pp && (pp->length == 12)) { u32 *v = pp->value; - if (v[2] == 0x4000000) + if (v[2] == 0x4000000) { /* Rev A = 64M NAND */ - warp_nand_chip0.nr_partitions = 2; + warp_nand_chip0.nr_partitions = 3; + + nand_parts[1].size = 0x3000000; + nand_parts[2].offset = 0x3200000; + nand_parts[2].size = 0x0e00000; + } } of_node_put(np); } -- cgit v1.2.2 From 6eb9d32298290b956693fd85c815b817d39a9505 Mon Sep 17 00:00:00 2001 From: Andre Schwarz Date: Thu, 10 Jul 2008 11:53:16 +0200 Subject: powerpc/mpc5200: PCI write combine timer On MPC5200 the PCI target control register (PCITCR) @ MBAR + 0xD6C is initialized with only bit 7 (Latrule disable) set. The 8-Bit write combine timer (Bits 24..31) should be also set to a reasonable value _greater zero_ (0x08 = default) since setting it to 0x00 leads to _very poor_ performance as a PCI target since external burst won't be possible at all. Setting the WCT to 0x08 (cache-line size) leads to good overall perfomance. Signed-off-by: Andre Schwarz Signed-off-by: Grant Likely --- arch/powerpc/platforms/52xx/mpc52xx_pci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pci.c b/arch/powerpc/platforms/52xx/mpc52xx_pci.c index e3428ddd9040..5a382bb15f62 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_pci.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_pci.c @@ -63,6 +63,7 @@ #define MPC52xx_PCI_TCR_P 0x01000000 #define MPC52xx_PCI_TCR_LD 0x00010000 +#define MPC52xx_PCI_TCR_WCT8 0x00000008 #define MPC52xx_PCI_TBATR_DISABLE 0x0 #define MPC52xx_PCI_TBATR_ENABLE 0x1 @@ -313,7 +314,7 @@ mpc52xx_pci_setup(struct pci_controller *hose, out_be32(&pci_regs->tbatr1, MPC52xx_PCI_TBATR_ENABLE | MPC52xx_PCI_TARGET_MEM ); - out_be32(&pci_regs->tcr, MPC52xx_PCI_TCR_LD); + out_be32(&pci_regs->tcr, MPC52xx_PCI_TCR_LD | MPC52xx_PCI_TCR_WCT8); tmp = in_be32(&pci_regs->gscr); #if 0 -- cgit v1.2.2 From 137e95906e294913fab02162e8a1948ade49acb5 Mon Sep 17 00:00:00 2001 From: John Rigby Date: Wed, 9 Jul 2008 14:54:02 -0600 Subject: powerpc/mpc5121: Add clock driver Plugs into the generic powerpc clock driver in arch/powerpc/kernel/clock.c The following subset of clk_interface is implemented: clk_get, clk_put: get clock via name, release clock clk_enable, clk_disable: enable or disable clock clk_get_rate: get clock rate in Hz clk_set_rate: stubbed clk_round_rate: stubbed clk_set_parent: NULL clk_get_parent: NULL Signed-off-by: John Rigby Signed-off-by: Grant Likely --- arch/powerpc/platforms/512x/Kconfig | 1 + arch/powerpc/platforms/512x/Makefile | 1 + arch/powerpc/platforms/512x/clock.c | 729 +++++++++++++++++++++++++++++++++++ 3 files changed, 731 insertions(+) create mode 100644 arch/powerpc/platforms/512x/clock.c (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig index 4c0da0c079e9..162af067d128 100644 --- a/arch/powerpc/platforms/512x/Kconfig +++ b/arch/powerpc/platforms/512x/Kconfig @@ -2,6 +2,7 @@ config PPC_MPC512x bool select FSL_SOC select IPIC + select PPC_CLOCK default n config PPC_MPC5121 diff --git a/arch/powerpc/platforms/512x/Makefile b/arch/powerpc/platforms/512x/Makefile index 232c89f2039a..90910c1f725b 100644 --- a/arch/powerpc/platforms/512x/Makefile +++ b/arch/powerpc/platforms/512x/Makefile @@ -1,4 +1,5 @@ # # Makefile for the Freescale PowerPC 512x linux kernel. # +obj-y += clock.o obj-$(CONFIG_MPC5121_ADS) += mpc5121_ads.o diff --git a/arch/powerpc/platforms/512x/clock.c b/arch/powerpc/platforms/512x/clock.c new file mode 100644 index 000000000000..f416014ee727 --- /dev/null +++ b/arch/powerpc/platforms/512x/clock.c @@ -0,0 +1,729 @@ +/* + * Copyright (C) 2007,2008 Freescale Semiconductor, Inc. All rights reserved. + * + * Author: John Rigby + * + * Implements the clk api defined in include/linux/clk.h + * + * Original based on linux/arch/arm/mach-integrator/clock.c + * + * Copyright (C) 2004 ARM Limited. + * Written by Deep Blue Solutions Limited. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#undef CLK_DEBUG + +static int clocks_initialized; + +#define CLK_HAS_RATE 0x1 /* has rate in MHz */ +#define CLK_HAS_CTRL 0x2 /* has control reg and bit */ + +struct clk { + struct list_head node; + char name[32]; + int flags; + struct device *dev; + unsigned long rate; + struct module *owner; + void (*calc) (struct clk *); + struct clk *parent; + int reg, bit; /* CLK_HAS_CTRL */ + int div_shift; /* only used by generic_div_clk_calc */ +}; + +static LIST_HEAD(clocks); +static DEFINE_MUTEX(clocks_mutex); + +static struct clk *mpc5121_clk_get(struct device *dev, const char *id) +{ + struct clk *p, *clk = ERR_PTR(-ENOENT); + int dev_match = 0; + int id_match = 0; + + if (dev == NULL && id == NULL) + return NULL; + + mutex_lock(&clocks_mutex); + list_for_each_entry(p, &clocks, node) { + if (dev && dev == p->dev) + dev_match++; + if (strcmp(id, p->name) == 0) + id_match++; + if ((dev_match || id_match) && try_module_get(p->owner)) { + clk = p; + break; + } + } + mutex_unlock(&clocks_mutex); + + return clk; +} + +#ifdef CLK_DEBUG +static void dump_clocks(void) +{ + struct clk *p; + + mutex_lock(&clocks_mutex); + printk(KERN_INFO "CLOCKS:\n"); + list_for_each_entry(p, &clocks, node) { + printk(KERN_INFO " %s %ld", p->name, p->rate); + if (p->parent) + printk(KERN_INFO " %s %ld", p->parent->name, + p->parent->rate); + if (p->flags & CLK_HAS_CTRL) + printk(KERN_INFO " reg/bit %d/%d", p->reg, p->bit); + printk("\n"); + } + mutex_unlock(&clocks_mutex); +} +#define DEBUG_CLK_DUMP() dump_clocks() +#else +#define DEBUG_CLK_DUMP() +#endif + + +static void mpc5121_clk_put(struct clk *clk) +{ + module_put(clk->owner); +} + +#define NRPSC 12 + +struct mpc512x_clockctl { + u32 spmr; /* System PLL Mode Reg */ + u32 sccr[2]; /* System Clk Ctrl Reg 1 & 2 */ + u32 scfr1; /* System Clk Freq Reg 1 */ + u32 scfr2; /* System Clk Freq Reg 2 */ + u32 reserved; + u32 bcr; /* Bread Crumb Reg */ + u32 pccr[NRPSC]; /* PSC Clk Ctrl Reg 0-11 */ + u32 spccr; /* SPDIF Clk Ctrl Reg */ + u32 cccr; /* CFM Clk Ctrl Reg */ + u32 dccr; /* DIU Clk Cnfg Reg */ +}; + +struct mpc512x_clockctl __iomem *clockctl; + +static int mpc5121_clk_enable(struct clk *clk) +{ + unsigned int mask; + + if (clk->flags & CLK_HAS_CTRL) { + mask = in_be32(&clockctl->sccr[clk->reg]); + mask |= 1 << clk->bit; + out_be32(&clockctl->sccr[clk->reg], mask); + } + return 0; +} + +static void mpc5121_clk_disable(struct clk *clk) +{ + unsigned int mask; + + if (clk->flags & CLK_HAS_CTRL) { + mask = in_be32(&clockctl->sccr[clk->reg]); + mask &= ~(1 << clk->bit); + out_be32(&clockctl->sccr[clk->reg], mask); + } +} + +static unsigned long mpc5121_clk_get_rate(struct clk *clk) +{ + if (clk->flags & CLK_HAS_RATE) + return clk->rate; + else + return 0; +} + +static long mpc5121_clk_round_rate(struct clk *clk, unsigned long rate) +{ + return rate; +} + +static int mpc5121_clk_set_rate(struct clk *clk, unsigned long rate) +{ + return 0; +} + +static int clk_register(struct clk *clk) +{ + mutex_lock(&clocks_mutex); + list_add(&clk->node, &clocks); + mutex_unlock(&clocks_mutex); + return 0; +} + +static unsigned long spmf_mult(void) +{ + /* + * Convert spmf to multiplier + */ + static int spmf_to_mult[] = { + 68, 1, 12, 16, + 20, 24, 28, 32, + 36, 40, 44, 48, + 52, 56, 60, 64 + }; + int spmf = (clockctl->spmr >> 24) & 0xf; + return spmf_to_mult[spmf]; +} + +static unsigned long sysdiv_div_x_2(void) +{ + /* + * Convert sysdiv to divisor x 2 + * Some divisors have fractional parts so + * multiply by 2 then divide by this value + */ + static int sysdiv_to_div_x_2[] = { + 4, 5, 6, 7, + 8, 9, 10, 14, + 12, 16, 18, 22, + 20, 24, 26, 30, + 28, 32, 34, 38, + 36, 40, 42, 46, + 44, 48, 50, 54, + 52, 56, 58, 62, + 60, 64, 66, + }; + int sysdiv = (clockctl->scfr2 >> 26) & 0x3f; + return sysdiv_to_div_x_2[sysdiv]; +} + +static unsigned long ref_to_sys(unsigned long rate) +{ + rate *= spmf_mult(); + rate *= 2; + rate /= sysdiv_div_x_2(); + + return rate; +} + +static unsigned long sys_to_ref(unsigned long rate) +{ + rate *= sysdiv_div_x_2(); + rate /= 2; + rate /= spmf_mult(); + + return rate; +} + +static long ips_to_ref(unsigned long rate) +{ + int ips_div = (clockctl->scfr1 >> 23) & 0x7; + + rate *= ips_div; /* csb_clk = ips_clk * ips_div */ + rate *= 2; /* sys_clk = csb_clk * 2 */ + return sys_to_ref(rate); +} + +static unsigned long devtree_getfreq(char *clockname) +{ + struct device_node *np; + const unsigned int *prop; + unsigned int val = 0; + + np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-immr"); + if (np) { + prop = of_get_property(np, clockname, NULL); + if (prop) + val = *prop; + of_node_put(np); + } + return val; +} + +static void ref_clk_calc(struct clk *clk) +{ + unsigned long rate; + + rate = devtree_getfreq("bus-frequency"); + if (rate == 0) { + printk(KERN_ERR "No bus-frequency in dev tree\n"); + clk->rate = 0; + return; + } + clk->rate = ips_to_ref(rate); +} + +static struct clk ref_clk = { + .name = "ref_clk", + .calc = ref_clk_calc, +}; + + +static void sys_clk_calc(struct clk *clk) +{ + clk->rate = ref_to_sys(ref_clk.rate); +} + +static struct clk sys_clk = { + .name = "sys_clk", + .calc = sys_clk_calc, +}; + +static void diu_clk_calc(struct clk *clk) +{ + int diudiv_x_2 = clockctl->scfr1 & 0xff; + unsigned long rate; + + rate = sys_clk.rate; + + rate *= 2; + rate /= diudiv_x_2; + + clk->rate = rate; +} + +static void half_clk_calc(struct clk *clk) +{ + clk->rate = clk->parent->rate / 2; +} + +static void generic_div_clk_calc(struct clk *clk) +{ + int div = (clockctl->scfr1 >> clk->div_shift) & 0x7; + + clk->rate = clk->parent->rate / div; +} + +static void unity_clk_calc(struct clk *clk) +{ + clk->rate = clk->parent->rate; +} + +static struct clk csb_clk = { + .name = "csb_clk", + .calc = half_clk_calc, + .parent = &sys_clk, +}; + +static void e300_clk_calc(struct clk *clk) +{ + int spmf = (clockctl->spmr >> 16) & 0xf; + int ratex2 = clk->parent->rate * spmf; + + clk->rate = ratex2 / 2; +} + +static struct clk e300_clk = { + .name = "e300_clk", + .calc = e300_clk_calc, + .parent = &csb_clk, +}; + +static struct clk ips_clk = { + .name = "ips_clk", + .calc = generic_div_clk_calc, + .parent = &csb_clk, + .div_shift = 23, +}; + +/* + * Clocks controlled by SCCR1 (.reg = 0) + */ +static struct clk lpc_clk = { + .name = "lpc_clk", + .flags = CLK_HAS_CTRL, + .reg = 0, + .bit = 30, + .calc = generic_div_clk_calc, + .parent = &ips_clk, + .div_shift = 11, +}; + +static struct clk nfc_clk = { + .name = "nfc_clk", + .flags = CLK_HAS_CTRL, + .reg = 0, + .bit = 29, + .calc = generic_div_clk_calc, + .parent = &ips_clk, + .div_shift = 8, +}; + +static struct clk pata_clk = { + .name = "pata_clk", + .flags = CLK_HAS_CTRL, + .reg = 0, + .bit = 28, + .calc = unity_clk_calc, + .parent = &ips_clk, +}; + +/* + * PSC clocks (bits 27 - 16) + * are setup elsewhere + */ + +static struct clk sata_clk = { + .name = "sata_clk", + .flags = CLK_HAS_CTRL, + .reg = 0, + .bit = 14, + .calc = unity_clk_calc, + .parent = &ips_clk, +}; + +static struct clk fec_clk = { + .name = "fec_clk", + .flags = CLK_HAS_CTRL, + .reg = 0, + .bit = 13, + .calc = unity_clk_calc, + .parent = &ips_clk, +}; + +static struct clk pci_clk = { + .name = "pci_clk", + .flags = CLK_HAS_CTRL, + .reg = 0, + .bit = 11, + .calc = generic_div_clk_calc, + .parent = &csb_clk, + .div_shift = 20, +}; + +/* + * Clocks controlled by SCCR2 (.reg = 1) + */ +static struct clk diu_clk = { + .name = "diu_clk", + .flags = CLK_HAS_CTRL, + .reg = 1, + .bit = 31, + .calc = diu_clk_calc, +}; + +static struct clk axe_clk = { + .name = "axe_clk", + .flags = CLK_HAS_CTRL, + .reg = 1, + .bit = 30, + .calc = unity_clk_calc, + .parent = &csb_clk, +}; + +static struct clk usb1_clk = { + .name = "usb1_clk", + .flags = CLK_HAS_CTRL, + .reg = 1, + .bit = 28, + .calc = unity_clk_calc, + .parent = &csb_clk, +}; + +static struct clk usb2_clk = { + .name = "usb2_clk", + .flags = CLK_HAS_CTRL, + .reg = 1, + .bit = 27, + .calc = unity_clk_calc, + .parent = &csb_clk, +}; + +static struct clk i2c_clk = { + .name = "i2c_clk", + .flags = CLK_HAS_CTRL, + .reg = 1, + .bit = 26, + .calc = unity_clk_calc, + .parent = &ips_clk, +}; + +static struct clk mscan_clk = { + .name = "mscan_clk", + .flags = CLK_HAS_CTRL, + .reg = 1, + .bit = 25, + .calc = unity_clk_calc, + .parent = &ips_clk, +}; + +static struct clk sdhc_clk = { + .name = "sdhc_clk", + .flags = CLK_HAS_CTRL, + .reg = 1, + .bit = 24, + .calc = unity_clk_calc, + .parent = &ips_clk, +}; + +static struct clk mbx_bus_clk = { + .name = "mbx_bus_clk", + .flags = CLK_HAS_CTRL, + .reg = 1, + .bit = 22, + .calc = half_clk_calc, + .parent = &csb_clk, +}; + +static struct clk mbx_clk = { + .name = "mbx_clk", + .flags = CLK_HAS_CTRL, + .reg = 1, + .bit = 21, + .calc = unity_clk_calc, + .parent = &csb_clk, +}; + +static struct clk mbx_3d_clk = { + .name = "mbx_3d_clk", + .flags = CLK_HAS_CTRL, + .reg = 1, + .bit = 20, + .calc = generic_div_clk_calc, + .parent = &mbx_bus_clk, + .div_shift = 14, +}; + +static void psc_mclk_in_calc(struct clk *clk) +{ + clk->rate = devtree_getfreq("psc_mclk_in"); + if (!clk->rate) + clk->rate = 25000000; +} + +static struct clk psc_mclk_in = { + .name = "psc_mclk_in", + .calc = psc_mclk_in_calc, +}; + +static struct clk spdif_txclk = { + .name = "spdif_txclk", + .flags = CLK_HAS_CTRL, + .reg = 1, + .bit = 23, +}; + +static struct clk spdif_rxclk = { + .name = "spdif_rxclk", + .flags = CLK_HAS_CTRL, + .reg = 1, + .bit = 23, +}; + +static void ac97_clk_calc(struct clk *clk) +{ + /* ac97 bit clock is always 24.567 MHz */ + clk->rate = 24567000; +} + +static struct clk ac97_clk = { + .name = "ac97_clk_in", + .calc = ac97_clk_calc, +}; + +struct clk *rate_clks[] = { + &ref_clk, + &sys_clk, + &diu_clk, + &csb_clk, + &e300_clk, + &ips_clk, + &fec_clk, + &sata_clk, + &pata_clk, + &nfc_clk, + &lpc_clk, + &mbx_bus_clk, + &mbx_clk, + &mbx_3d_clk, + &axe_clk, + &usb1_clk, + &usb2_clk, + &i2c_clk, + &mscan_clk, + &sdhc_clk, + &pci_clk, + &psc_mclk_in, + &spdif_txclk, + &spdif_rxclk, + &ac97_clk, + NULL +}; + +static void rate_clk_init(struct clk *clk) +{ + if (clk->calc) { + clk->calc(clk); + clk->flags |= CLK_HAS_RATE; + clk_register(clk); + } else { + printk(KERN_WARNING + "Could not initialize clk %s without a calc routine\n", + clk->name); + } +} + +static void rate_clks_init(void) +{ + struct clk **cpp, *clk; + + cpp = rate_clks; + while ((clk = *cpp++)) + rate_clk_init(clk); +} + +/* + * There are two clk enable registers with 32 enable bits each + * psc clocks and device clocks are all stored in dev_clks + */ +struct clk dev_clks[2][32]; + +/* + * Given a psc number return the dev_clk + * associated with it + */ +static struct clk *psc_dev_clk(int pscnum) +{ + int reg, bit; + struct clk *clk; + + reg = 0; + bit = 27 - pscnum; + + clk = &dev_clks[reg][bit]; + clk->reg = 0; + clk->bit = bit; + return clk; +} + +/* + * PSC clock rate calculation + */ +static void psc_calc_rate(struct clk *clk, int pscnum, struct device_node *np) +{ + unsigned long mclk_src = sys_clk.rate; + unsigned long mclk_div; + + /* + * Can only change value of mclk divider + * when the divider is disabled. + * + * Zero is not a valid divider so minimum + * divider is 1 + * + * disable/set divider/enable + */ + out_be32(&clockctl->pccr[pscnum], 0); + out_be32(&clockctl->pccr[pscnum], 0x00020000); + out_be32(&clockctl->pccr[pscnum], 0x00030000); + + if (clockctl->pccr[pscnum] & 0x80) { + clk->rate = spdif_rxclk.rate; + return; + } + + switch ((clockctl->pccr[pscnum] >> 14) & 0x3) { + case 0: + mclk_src = sys_clk.rate; + break; + case 1: + mclk_src = ref_clk.rate; + break; + case 2: + mclk_src = psc_mclk_in.rate; + break; + case 3: + mclk_src = spdif_txclk.rate; + break; + } + + mclk_div = ((clockctl->pccr[pscnum] >> 17) & 0x7fff) + 1; + clk->rate = mclk_src / mclk_div; +} + +/* + * Find all psc nodes in device tree and assign a clock + * with name "psc%d_mclk" and dev pointing at the device + * returned from of_find_device_by_node + */ +static void psc_clks_init(void) +{ + struct device_node *np; + const u32 *cell_index; + struct of_device *ofdev; + + for_each_compatible_node(np, NULL, "fsl,mpc5121-psc") { + cell_index = of_get_property(np, "cell-index", NULL); + if (cell_index) { + int pscnum = *cell_index; + struct clk *clk = psc_dev_clk(pscnum); + + clk->flags = CLK_HAS_RATE | CLK_HAS_CTRL; + ofdev = of_find_device_by_node(np); + clk->dev = &ofdev->dev; + /* + * AC97 is special rate clock does + * not go through normal path + */ + if (strcmp("ac97", np->name) == 0) + clk->rate = ac97_clk.rate; + else + psc_calc_rate(clk, pscnum, np); + sprintf(clk->name, "psc%d_mclk", pscnum); + clk_register(clk); + clk_enable(clk); + } + } +} + +static struct clk_interface mpc5121_clk_functions = { + .clk_get = mpc5121_clk_get, + .clk_enable = mpc5121_clk_enable, + .clk_disable = mpc5121_clk_disable, + .clk_get_rate = mpc5121_clk_get_rate, + .clk_put = mpc5121_clk_put, + .clk_round_rate = mpc5121_clk_round_rate, + .clk_set_rate = mpc5121_clk_set_rate, + .clk_set_parent = NULL, + .clk_get_parent = NULL, +}; + +static int +mpc5121_clk_init(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-clock"); + if (np) { + clockctl = of_iomap(np, 0); + of_node_put(np); + } + + if (!clockctl) { + printk(KERN_ERR "Could not map clock control registers\n"); + return 0; + } + + rate_clks_init(); + psc_clks_init(); + + /* leave clockctl mapped forever */ + /*iounmap(clockctl); */ + DEBUG_CLK_DUMP(); + clocks_initialized++; + clk_functions = mpc5121_clk_functions; + return 0; +} + + +arch_initcall(mpc5121_clk_init); -- cgit v1.2.2 From fb1803224ea145e3424d6295d4aaa8e9fef70642 Mon Sep 17 00:00:00 2001 From: John Rigby Date: Wed, 9 Jul 2008 14:54:03 -0600 Subject: powerpc/mpc5121: Add generic board support for MPC5121 platforms Move shared code from mpc5121_ads.c to new file mpc512x_shared.c - mpc512x_find_ips_freq -> unchanged - contents of mpc5121_ads_init_IRQ -> mpc512x_init_IRQ - looking for fsl,mpc5121-ipic instead of fsl,ipic - mpc5121_ads_declare_of_platform_devices -> mpc5121_declare_of_platform_devices - and use compatible for lookup instead of node name Add new generic board setup mpc5121_generic.c Signed-off-by: John Rigby Signed-off-by: Grant Likely --- arch/powerpc/platforms/512x/Kconfig | 15 ++++- arch/powerpc/platforms/512x/Makefile | 3 +- arch/powerpc/platforms/512x/mpc5121_ads.c | 64 ++------------------- arch/powerpc/platforms/512x/mpc5121_generic.c | 58 +++++++++++++++++++ arch/powerpc/platforms/512x/mpc512x.h | 17 ++++++ arch/powerpc/platforms/512x/mpc512x_shared.c | 83 +++++++++++++++++++++++++++ 6 files changed, 177 insertions(+), 63 deletions(-) create mode 100644 arch/powerpc/platforms/512x/mpc5121_generic.c create mode 100644 arch/powerpc/platforms/512x/mpc512x.h create mode 100644 arch/powerpc/platforms/512x/mpc512x_shared.c (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig index 162af067d128..5d72dc3435af 100644 --- a/arch/powerpc/platforms/512x/Kconfig +++ b/arch/powerpc/platforms/512x/Kconfig @@ -3,12 +3,10 @@ config PPC_MPC512x select FSL_SOC select IPIC select PPC_CLOCK - default n config PPC_MPC5121 bool select PPC_MPC512x - default n config MPC5121_ADS bool "Freescale MPC5121E ADS" @@ -17,4 +15,15 @@ config MPC5121_ADS select PPC_MPC5121 help This option enables support for the MPC5121E ADS board. - default n + +config MPC5121_GENERIC + bool "Generic support for simple MPC5121 based boards" + depends on PPC_MULTIPLATFORM && PPC32 + select DEFAULT_UIMAGE + select PPC_MPC5121 + help + This option enables support for simple MPC5121 based boards + which do not need custom platform specific setup. + + Compatible boards include: Protonic LVT base boards (ZANMCU + and VICVT2). diff --git a/arch/powerpc/platforms/512x/Makefile b/arch/powerpc/platforms/512x/Makefile index 90910c1f725b..8090e222a2dd 100644 --- a/arch/powerpc/platforms/512x/Makefile +++ b/arch/powerpc/platforms/512x/Makefile @@ -1,5 +1,6 @@ # # Makefile for the Freescale PowerPC 512x linux kernel. # -obj-y += clock.o +obj-y += clock.o mpc512x_shared.o obj-$(CONFIG_MPC5121_ADS) += mpc5121_ads.o +obj-$(CONFIG_MPC5121_GENERIC) += mpc5121_generic.o diff --git a/arch/powerpc/platforms/512x/mpc5121_ads.c b/arch/powerpc/platforms/512x/mpc5121_ads.c index 50bd3a319022..3ec9ca34d8e8 100644 --- a/arch/powerpc/platforms/512x/mpc5121_ads.c +++ b/arch/powerpc/platforms/512x/mpc5121_ads.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved. + * Copyright (C) 2007, 2008 Freescale Semiconductor, Inc. All rights reserved. * * Author: John Rigby, , Thur Mar 29 2007 * @@ -15,7 +15,6 @@ #include #include -#include #include #include @@ -23,65 +22,11 @@ #include #include -/** - * mpc512x_find_ips_freq - Find the IPS bus frequency for a device - * @node: device node - * - * Returns IPS bus frequency, or 0 if the bus frequency cannot be found. - */ -unsigned long -mpc512x_find_ips_freq(struct device_node *node) -{ - struct device_node *np; - const unsigned int *p_ips_freq = NULL; - - of_node_get(node); - while (node) { - p_ips_freq = of_get_property(node, "bus-frequency", NULL); - if (p_ips_freq) - break; - - np = of_get_parent(node); - of_node_put(node); - node = np; - } - if (node) - of_node_put(node); - - return p_ips_freq ? *p_ips_freq : 0; -} -EXPORT_SYMBOL(mpc512x_find_ips_freq); - -static struct of_device_id __initdata of_bus_ids[] = { - { .name = "soc", }, - { .name = "localbus", }, - {}, -}; - -static void __init mpc5121_ads_declare_of_platform_devices(void) -{ - /* Find every child of the SOC node and add it to of_platform */ - if (of_platform_bus_probe(NULL, of_bus_ids, NULL)) - printk(KERN_ERR __FILE__ ": " - "Error while probing of_platform bus\n"); -} +#include "mpc512x.h" static void __init mpc5121_ads_init_IRQ(void) { - struct device_node *np; - - np = of_find_compatible_node(NULL, NULL, "fsl,ipic"); - if (!np) - return; - - ipic_init(np, 0); - of_node_put(np); - - /* - * Initialize the default interrupt mapping priorities, - * in case the boot rom changed something on us. - */ - ipic_set_default_priority(); + mpc512x_init_IRQ(); } /* @@ -97,7 +42,8 @@ static int __init mpc5121_ads_probe(void) define_machine(mpc5121_ads) { .name = "MPC5121 ADS", .probe = mpc5121_ads_probe, - .init = mpc5121_ads_declare_of_platform_devices, + .setup_arch = mpc5121_ads_setup_arch, + .init = mpc512x_declare_of_platform_devices, .init_IRQ = mpc5121_ads_init_IRQ, .get_irq = ipic_get_irq, .calibrate_decr = generic_calibrate_decr, diff --git a/arch/powerpc/platforms/512x/mpc5121_generic.c b/arch/powerpc/platforms/512x/mpc5121_generic.c new file mode 100644 index 000000000000..2479de9e2d12 --- /dev/null +++ b/arch/powerpc/platforms/512x/mpc5121_generic.c @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2007,2008 Freescale Semiconductor, Inc. All rights reserved. + * + * Author: John Rigby, + * + * Description: + * MPC5121 SoC setup + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + */ + +#include +#include + +#include +#include +#include +#include + +#include "mpc512x.h" + +/* + * list of supported boards + */ +static char *board[] __initdata = { + "prt,prtlvt", + NULL +}; + +/* + * Called very early, MMU is off, device-tree isn't unflattened + */ +static int __init mpc5121_generic_probe(void) +{ + unsigned long node = of_get_flat_dt_root(); + int i = 0; + + while (board[i]) { + if (of_flat_dt_is_compatible(node, board[i])) + break; + i++; + } + + return board[i] != NULL; +} + +define_machine(mpc5121_generic) { + .name = "MPC5121 generic", + .probe = mpc5121_generic_probe, + .init = mpc512x_declare_of_platform_devices, + .init_IRQ = mpc512x_init_IRQ, + .get_irq = ipic_get_irq, + .calibrate_decr = generic_calibrate_decr, +}; diff --git a/arch/powerpc/platforms/512x/mpc512x.h b/arch/powerpc/platforms/512x/mpc512x.h new file mode 100644 index 000000000000..9c03693cb009 --- /dev/null +++ b/arch/powerpc/platforms/512x/mpc512x.h @@ -0,0 +1,17 @@ +/* + * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * Prototypes for MPC512x shared code + */ + +#ifndef __MPC512X_H__ +#define __MPC512X_H__ +extern unsigned long mpc512x_find_ips_freq(struct device_node *node); +extern void __init mpc512x_init_IRQ(void); +void __init mpc512x_declare_of_platform_devices(void); +#endif /* __MPC512X_H__ */ diff --git a/arch/powerpc/platforms/512x/mpc512x_shared.c b/arch/powerpc/platforms/512x/mpc512x_shared.c new file mode 100644 index 000000000000..d8cd579f3191 --- /dev/null +++ b/arch/powerpc/platforms/512x/mpc512x_shared.c @@ -0,0 +1,83 @@ +/* + * Copyright (C) 2007,2008 Freescale Semiconductor, Inc. All rights reserved. + * + * Author: John Rigby + * + * Description: + * MPC512x Shared code + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include +#include +#include +#include + +#include +#include +#include +#include + +#include "mpc512x.h" + +unsigned long +mpc512x_find_ips_freq(struct device_node *node) +{ + struct device_node *np; + const unsigned int *p_ips_freq = NULL; + + of_node_get(node); + while (node) { + p_ips_freq = of_get_property(node, "bus-frequency", NULL); + if (p_ips_freq) + break; + + np = of_get_parent(node); + of_node_put(node); + node = np; + } + if (node) + of_node_put(node); + + return p_ips_freq ? *p_ips_freq : 0; +} +EXPORT_SYMBOL(mpc512x_find_ips_freq); + +void __init mpc512x_init_IRQ(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-ipic"); + if (!np) + return; + + ipic_init(np, 0); + of_node_put(np); + + /* + * Initialize the default interrupt mapping priorities, + * in case the boot rom changed something on us. + */ + ipic_set_default_priority(); +} + +/* + * Nodes to do bus probe on, soc and localbus + */ +static struct of_device_id __initdata of_bus_ids[] = { + { .compatible = "fsl,mpc5121-immr", }, + { .compatible = "fsl,mpc5121-localbus", }, + {}, +}; + +void __init mpc512x_declare_of_platform_devices(void) +{ + if (of_platform_bus_probe(NULL, of_bus_ids, NULL)) + printk(KERN_ERR __FILE__ ": " + "Error while probing of_platform bus\n"); +} + -- cgit v1.2.2 From 1879f711d8c3960e0fd927f38ff885017a77291b Mon Sep 17 00:00:00 2001 From: John Rigby Date: Wed, 9 Jul 2008 14:54:04 -0600 Subject: powerpc/mpc5121: Add support for CPLD on MPC5121ADS board Add a interrupt host for the interrupt controller in the mpc5121ads cpld. PCI interrupts are 0-7 the rest are 8-15 Touchscreen pendown irq is hardwired to irq1 All other irqs are chained to irq0 Signed-off-by: John Rigby Signed-off-by: Grant Likely --- arch/powerpc/platforms/512x/Kconfig | 1 + arch/powerpc/platforms/512x/Makefile | 2 +- arch/powerpc/platforms/512x/mpc5121_ads.c | 11 ++ arch/powerpc/platforms/512x/mpc5121_ads.h | 16 ++ arch/powerpc/platforms/512x/mpc5121_ads_cpld.c | 204 +++++++++++++++++++++++++ 5 files changed, 233 insertions(+), 1 deletion(-) create mode 100644 arch/powerpc/platforms/512x/mpc5121_ads.h create mode 100644 arch/powerpc/platforms/512x/mpc5121_ads_cpld.c (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig index 5d72dc3435af..c62f893ede19 100644 --- a/arch/powerpc/platforms/512x/Kconfig +++ b/arch/powerpc/platforms/512x/Kconfig @@ -13,6 +13,7 @@ config MPC5121_ADS depends on PPC_MULTIPLATFORM && PPC32 select DEFAULT_UIMAGE select PPC_MPC5121 + select MPC5121_ADS_CPLD help This option enables support for the MPC5121E ADS board. diff --git a/arch/powerpc/platforms/512x/Makefile b/arch/powerpc/platforms/512x/Makefile index 8090e222a2dd..90be2f5717e6 100644 --- a/arch/powerpc/platforms/512x/Makefile +++ b/arch/powerpc/platforms/512x/Makefile @@ -2,5 +2,5 @@ # Makefile for the Freescale PowerPC 512x linux kernel. # obj-y += clock.o mpc512x_shared.o -obj-$(CONFIG_MPC5121_ADS) += mpc5121_ads.o +obj-$(CONFIG_MPC5121_ADS) += mpc5121_ads.o mpc5121_ads_cpld.o obj-$(CONFIG_MPC5121_GENERIC) += mpc5121_generic.o diff --git a/arch/powerpc/platforms/512x/mpc5121_ads.c b/arch/powerpc/platforms/512x/mpc5121_ads.c index 3ec9ca34d8e8..5ebf6939a697 100644 --- a/arch/powerpc/platforms/512x/mpc5121_ads.c +++ b/arch/powerpc/platforms/512x/mpc5121_ads.c @@ -23,10 +23,21 @@ #include #include "mpc512x.h" +#include "mpc5121_ads.h" + +static void __init mpc5121_ads_setup_arch(void) +{ + printk(KERN_INFO "MPC5121 ADS board from Freescale Semiconductor\n"); + /* + * cpld regs are needed early + */ + mpc5121_ads_cpld_map(); +} static void __init mpc5121_ads_init_IRQ(void) { mpc512x_init_IRQ(); + mpc5121_ads_cpld_pic_init(); } /* diff --git a/arch/powerpc/platforms/512x/mpc5121_ads.h b/arch/powerpc/platforms/512x/mpc5121_ads.h new file mode 100644 index 000000000000..662076cfee2f --- /dev/null +++ b/arch/powerpc/platforms/512x/mpc5121_ads.h @@ -0,0 +1,16 @@ +/* + * Copyright (C) 2008 Freescale Semiconductor, Inc. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * Prototypes for ADS5121 specific code + */ + +#ifndef __MPC512ADS_H__ +#define __MPC512ADS_H__ +extern void __init mpc5121_ads_cpld_map(void); +extern void __init mpc5121_ads_cpld_pic_init(void); +#endif /* __MPC512ADS_H__ */ diff --git a/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c b/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c new file mode 100644 index 000000000000..a6ce80566625 --- /dev/null +++ b/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c @@ -0,0 +1,204 @@ +/* + * Copyright (C) 2008 Freescale Semiconductor, Inc. All rights reserved. + * + * Author: John Rigby, + * + * Description: + * MPC5121ADS CPLD irq handling + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#undef DEBUG + +#include +#include +#include +#include +#include + +static struct device_node *cpld_pic_node; +static struct irq_host *cpld_pic_host; + +/* + * Bits to ignore in the misc_status register + * 0x10 touch screen pendown is hard routed to irq1 + * 0x02 pci status is read from pci status register + */ +#define MISC_IGNORE 0x12 + +/* + * Nothing to ignore in pci status register + */ +#define PCI_IGNORE 0x00 + +struct cpld_pic { + u8 pci_mask; + u8 pci_status; + u8 route; + u8 misc_mask; + u8 misc_status; + u8 misc_control; +}; + +static struct cpld_pic __iomem *cpld_regs; + +static void __iomem * +irq_to_pic_mask(unsigned int irq) +{ + return irq <= 7 ? &cpld_regs->pci_mask : &cpld_regs->misc_mask; +} + +static unsigned int +irq_to_pic_bit(unsigned int irq) +{ + return 1 << (irq & 0x7); +} + +static void +cpld_mask_irq(unsigned int irq) +{ + unsigned int cpld_irq = (unsigned int)irq_map[irq].hwirq; + void __iomem *pic_mask = irq_to_pic_mask(cpld_irq); + + out_8(pic_mask, + in_8(pic_mask) | irq_to_pic_bit(cpld_irq)); +} + +static void +cpld_unmask_irq(unsigned int irq) +{ + unsigned int cpld_irq = (unsigned int)irq_map[irq].hwirq; + void __iomem *pic_mask = irq_to_pic_mask(cpld_irq); + + out_8(pic_mask, + in_8(pic_mask) & ~irq_to_pic_bit(cpld_irq)); +} + +static struct irq_chip cpld_pic = { + .typename = " CPLD PIC ", + .mask = cpld_mask_irq, + .ack = cpld_mask_irq, + .unmask = cpld_unmask_irq, +}; + +static int +cpld_pic_get_irq(int offset, u8 ignore, u8 __iomem *statusp, + u8 __iomem *maskp) +{ + int cpld_irq; + u8 status = in_8(statusp); + u8 mask = in_8(maskp); + + /* ignore don't cares and masked irqs */ + status |= (ignore | mask); + + if (status == 0xff) + return NO_IRQ_IGNORE; + + cpld_irq = ffz(status) + offset; + + return irq_linear_revmap(cpld_pic_host, cpld_irq); +} + +static void +cpld_pic_cascade(unsigned int irq, struct irq_desc *desc) +{ + irq = cpld_pic_get_irq(0, PCI_IGNORE, &cpld_regs->pci_status, + &cpld_regs->pci_mask); + if (irq != NO_IRQ && irq != NO_IRQ_IGNORE) { + generic_handle_irq(irq); + return; + } + + irq = cpld_pic_get_irq(8, MISC_IGNORE, &cpld_regs->misc_status, + &cpld_regs->misc_mask); + if (irq != NO_IRQ && irq != NO_IRQ_IGNORE) { + generic_handle_irq(irq); + return; + } +} + +static int +cpld_pic_host_match(struct irq_host *h, struct device_node *node) +{ + return cpld_pic_node == node; +} + +static int +cpld_pic_host_map(struct irq_host *h, unsigned int virq, + irq_hw_number_t hw) +{ + get_irq_desc(virq)->status |= IRQ_LEVEL; + set_irq_chip_and_handler(virq, &cpld_pic, handle_level_irq); + return 0; +} + +static struct +irq_host_ops cpld_pic_host_ops = { + .match = cpld_pic_host_match, + .map = cpld_pic_host_map, +}; + +void __init +mpc5121_ads_cpld_map(void) +{ + struct device_node *np = NULL; + + np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121ads-cpld-pic"); + if (!np) { + printk(KERN_ERR "CPLD PIC init: can not find cpld-pic node\n"); + return; + } + + cpld_regs = of_iomap(np, 0); + of_node_put(np); +} + +void __init +mpc5121_ads_cpld_pic_init(void) +{ + unsigned int cascade_irq; + struct device_node *np = NULL; + + pr_debug("cpld_ic_init\n"); + + np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121ads-cpld-pic"); + if (!np) { + printk(KERN_ERR "CPLD PIC init: can not find cpld-pic node\n"); + return; + } + + if (!cpld_regs) + goto end; + + cascade_irq = irq_of_parse_and_map(np, 0); + if (cascade_irq == NO_IRQ) + goto end; + + /* + * statically route touch screen pendown through 1 + * and ignore it here + * route all others through our cascade irq + */ + out_8(&cpld_regs->route, 0xfd); + out_8(&cpld_regs->pci_mask, 0xff); + /* unmask pci ints in misc mask */ + out_8(&cpld_regs->misc_mask, ~(MISC_IGNORE)); + + cpld_pic_node = of_node_get(np); + + cpld_pic_host = + irq_alloc_host(np, IRQ_HOST_MAP_LINEAR, 16, &cpld_pic_host_ops, 16); + if (!cpld_pic_host) { + printk(KERN_ERR "CPLD PIC: failed to allocate irq host!\n"); + goto end; + } + + set_irq_chained_handler(cascade_irq, cpld_pic_cascade); +end: + of_node_put(np); +} -- cgit v1.2.2 From 6c1160991283a12537b136a71d10d271997fd64c Mon Sep 17 00:00:00 2001 From: Rune Torgersen Date: Tue, 20 May 2008 14:28:57 -0500 Subject: powerpc: Fix pq2fads irq handling with PREEMPT_RT Fix interrupt threading issue on pq2fads when running with CONFIG_PREEMPT_RT Signed-off-by: Rune Torgersen Signed-off-by: Kumar Gala --- arch/powerpc/platforms/82xx/pq2ads-pci-pic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c index a8013816125c..9876d7e072f4 100644 --- a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c +++ b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c @@ -109,7 +109,7 @@ static int pci_pic_host_map(struct irq_host *h, unsigned int virq, { get_irq_desc(virq)->status |= IRQ_LEVEL; set_irq_chip_data(virq, h->host_data); - set_irq_chip(virq, &pq2ads_pci_ic); + set_irq_chip_and_handler(virq, &pq2ads_pci_ic, handle_level_irq); return 0; } -- cgit v1.2.2 From a712b65cd015d9bd05bce01f57a42cd6c73c4aa0 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Wed, 2 Jul 2008 10:00:56 -0500 Subject: powerpc/85xx: minor fixes for MPC85xx DS board port These issues were reported by Stephen Rothwell for another 85xx board port and pointed out by Chen Gong as issues in the DS port. * mpic OF node reference counting was off * of_device_id struct should be marked as __initdata Signed-off-by: Kumar Gala --- arch/powerpc/platforms/85xx/mpc85xx_ds.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c index b010dc9dec65..8b2d63d4264e 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c @@ -58,14 +58,13 @@ void __init mpc85xx_ds_pic_init(void) { struct mpic *mpic; struct resource r; - struct device_node *np = NULL; + struct device_node *np; #ifdef CONFIG_PPC_I8259 struct device_node *cascade_node = NULL; int cascade_irq; #endif np = of_find_node_by_type(np, "open-pic"); - if (np == NULL) { printk(KERN_ERR "Could not find open-pic node\n"); return; @@ -82,6 +81,7 @@ void __init mpc85xx_ds_pic_init(void) MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS, 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); + of_node_put(np); mpic_init(mpic); @@ -185,7 +185,7 @@ static int __init mpc8544_ds_probe(void) } } -static struct of_device_id mpc85xxds_ids[] = { +static struct of_device_id __initdata mpc85xxds_ids[] = { { .type = "soc", }, { .compatible = "soc", }, {}, -- cgit v1.2.2 From 2f3804edf971d2080243d2b4552bfd61ddfbf969 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Wed, 2 Jul 2008 01:36:15 -0500 Subject: powerpc/85xx: Add support for MPC8536DS Add support for the MPC8536 process and MPC8536DS reference board. The MPC8536 is an e500v2 based SoC which eTSEC, USB, SATA, PCI, and PCIe. The USB and SATA IP blocks are similiar to those on the PQ2 Pro SoCs and thus use the same drivers. Signed-off-by: Kumar Gala --- arch/powerpc/platforms/85xx/Kconfig | 6 ++ arch/powerpc/platforms/85xx/Makefile | 1 + arch/powerpc/platforms/85xx/mpc8536_ds.c | 125 +++++++++++++++++++++++++++++++ 3 files changed, 132 insertions(+) create mode 100644 arch/powerpc/platforms/85xx/mpc8536_ds.c (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig index 9cb8e29987a3..cebea5cadbc1 100644 --- a/arch/powerpc/platforms/85xx/Kconfig +++ b/arch/powerpc/platforms/85xx/Kconfig @@ -38,6 +38,12 @@ config MPC85xx_MDS help This option enables support for the MPC85xx MDS board +config MPC8536_DS + bool "Freescale MPC8536 DS" + select DEFAULT_UIMAGE + help + This option enables support for the MPC8536 DS board + config MPC85xx_DS bool "Freescale MPC85xx DS" select PPC_I8259 diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile index 6cea185f62b2..cb3054e1001d 100644 --- a/arch/powerpc/platforms/85xx/Makefile +++ b/arch/powerpc/platforms/85xx/Makefile @@ -4,6 +4,7 @@ obj-$(CONFIG_MPC8540_ADS) += mpc85xx_ads.o obj-$(CONFIG_MPC8560_ADS) += mpc85xx_ads.o obj-$(CONFIG_MPC85xx_CDS) += mpc85xx_cds.o +obj-$(CONFIG_MPC8536_DS) += mpc8536_ds.o obj-$(CONFIG_MPC85xx_DS) += mpc85xx_ds.o obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o obj-$(CONFIG_STX_GP3) += stx_gp3.o diff --git a/arch/powerpc/platforms/85xx/mpc8536_ds.c b/arch/powerpc/platforms/85xx/mpc8536_ds.c new file mode 100644 index 000000000000..71d7c038961f --- /dev/null +++ b/arch/powerpc/platforms/85xx/mpc8536_ds.c @@ -0,0 +1,125 @@ +/* + * MPC8536 DS Board Setup + * + * Copyright 2008 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +void __init mpc8536_ds_pic_init(void) +{ + struct mpic *mpic; + struct resource r; + struct device_node *np; + + np = of_find_node_by_type(np, "open-pic"); + if (np == NULL) { + printk(KERN_ERR "Could not find open-pic node\n"); + return; + } + + if (of_address_to_resource(np, 0, &r)) { + printk(KERN_ERR "Failed to map mpic register space\n"); + of_node_put(np); + return; + } + + mpic = mpic_alloc(np, r.start, + MPIC_PRIMARY | MPIC_WANTS_RESET | + MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS, + 0, 256, " OpenPIC "); + BUG_ON(mpic == NULL); + of_node_put(np); + + mpic_init(mpic); +} + +/* + * Setup the architecture + */ +static void __init mpc8536_ds_setup_arch(void) +{ +#ifdef CONFIG_PCI + struct device_node *np; +#endif + + if (ppc_md.progress) + ppc_md.progress("mpc8536_ds_setup_arch()", 0); + +#ifdef CONFIG_PCI + for_each_node_by_type(np, "pci") { + if (of_device_is_compatible(np, "fsl,mpc8540-pci") || + of_device_is_compatible(np, "fsl,mpc8548-pcie")) { + struct resource rsrc; + of_address_to_resource(np, 0, &rsrc); + if ((rsrc.start & 0xfffff) == 0x8000) + fsl_add_bridge(np, 1); + else + fsl_add_bridge(np, 0); + } + } + +#endif + + printk("MPC8536 DS board from Freescale Semiconductor\n"); +} + +static struct of_device_id __initdata mpc8536_ds_ids[] = { + { .type = "soc", }, + { .compatible = "soc", }, + {}, +}; + +static int __init mpc8536_ds_publish_devices(void) +{ + return of_platform_bus_probe(NULL, mpc8536_ds_ids, NULL); +} +machine_device_initcall(mpc8536_ds, mpc8536_ds_publish_devices); + +/* + * Called very early, device-tree isn't unflattened + */ +static int __init mpc8536_ds_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "fsl,mpc8536ds"); +} + +define_machine(mpc8536_ds) { + .name = "MPC8536 DS", + .probe = mpc8536_ds_probe, + .setup_arch = mpc8536_ds_setup_arch, + .init_IRQ = mpc8536_ds_pic_init, +#ifdef CONFIG_PCI + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, +#endif + .get_irq = mpic_get_irq, + .restart = fsl_rstcr_restart, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +}; -- cgit v1.2.2 From a5d28c8e64ff0bc77d38d9c19c6d8163e4c0ffaa Mon Sep 17 00:00:00 2001 From: Jochen Friedrich Date: Wed, 2 Jul 2008 18:06:13 +0200 Subject: powerpc/CPM: Add i2c pins to dts and board setup Initialize I2C pins on boards with CPM1/CPM2 controllers and document the i2c bus in booting-without-of. The boards don't have any I2C chips connected to the I2C bus, so unless some external chips are connected to the boards, this code is just an example of setting everything else up. Signed-off-by: Jochen Friedrich Signed-off-by: Kumar Gala --- arch/powerpc/platforms/82xx/mpc8272_ads.c | 4 ++++ arch/powerpc/platforms/8xx/mpc86xads_setup.c | 4 ++++ arch/powerpc/platforms/8xx/mpc885ads_setup.c | 3 +++ 3 files changed, 11 insertions(+) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/82xx/mpc8272_ads.c b/arch/powerpc/platforms/82xx/mpc8272_ads.c index 7d3018751988..8054c685d323 100644 --- a/arch/powerpc/platforms/82xx/mpc8272_ads.c +++ b/arch/powerpc/platforms/82xx/mpc8272_ads.c @@ -96,6 +96,10 @@ static struct cpm_pin mpc8272_ads_pins[] = { {1, 31, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, {2, 16, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, {2, 17, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + + /* I2C */ + {3, 14, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_OPENDRAIN}, + {3, 15, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_OPENDRAIN}, }; static void __init init_ioports(void) diff --git a/arch/powerpc/platforms/8xx/mpc86xads_setup.c b/arch/powerpc/platforms/8xx/mpc86xads_setup.c index c028a5b71bbb..caaec29796b7 100644 --- a/arch/powerpc/platforms/8xx/mpc86xads_setup.c +++ b/arch/powerpc/platforms/8xx/mpc86xads_setup.c @@ -65,6 +65,10 @@ static struct cpm_pin mpc866ads_pins[] = { {CPM_PORTD, 13, CPM_PIN_OUTPUT}, {CPM_PORTD, 14, CPM_PIN_OUTPUT}, {CPM_PORTD, 15, CPM_PIN_OUTPUT}, + + /* I2C */ + {CPM_PORTB, 26, CPM_PIN_INPUT | CPM_PIN_OPENDRAIN}, + {CPM_PORTB, 27, CPM_PIN_INPUT | CPM_PIN_OPENDRAIN}, }; static void __init init_ioports(void) diff --git a/arch/powerpc/platforms/8xx/mpc885ads_setup.c b/arch/powerpc/platforms/8xx/mpc885ads_setup.c index 6e7ded0233f6..45ed6cdc1310 100644 --- a/arch/powerpc/platforms/8xx/mpc885ads_setup.c +++ b/arch/powerpc/platforms/8xx/mpc885ads_setup.c @@ -158,6 +158,9 @@ static struct cpm_pin mpc885ads_pins[] = { {CPM_PORTE, 28, CPM_PIN_OUTPUT}, {CPM_PORTE, 29, CPM_PIN_OUTPUT}, #endif + /* I2C */ + {CPM_PORTB, 26, CPM_PIN_INPUT | CPM_PIN_OPENDRAIN}, + {CPM_PORTB, 27, CPM_PIN_INPUT | CPM_PIN_OPENDRAIN}, }; static void __init init_ioports(void) -- cgit v1.2.2 From 98384c6cdd1fd593f399b6f879bae2cae70aad48 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Wed, 2 Jul 2008 11:46:20 -0500 Subject: powerpc/86xx: Refactor pic init Moved the pic initialization into its own common file and out of the board code. Also fixed the OF reference counting on the mpic node. Signed-off-by: Kumar Gala --- arch/powerpc/platforms/86xx/Makefile | 1 + arch/powerpc/platforms/86xx/mpc8610_hpcd.c | 26 ++-------- arch/powerpc/platforms/86xx/mpc86xx.h | 3 +- arch/powerpc/platforms/86xx/mpc86xx_hpcn.c | 64 +----------------------- arch/powerpc/platforms/86xx/pic.c | 78 ++++++++++++++++++++++++++++++ arch/powerpc/platforms/86xx/sbc8641d.c | 25 +--------- 6 files changed, 86 insertions(+), 111 deletions(-) create mode 100644 arch/powerpc/platforms/86xx/pic.c (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/86xx/Makefile b/arch/powerpc/platforms/86xx/Makefile index 1b9b4a9b2525..8fee37dec795 100644 --- a/arch/powerpc/platforms/86xx/Makefile +++ b/arch/powerpc/platforms/86xx/Makefile @@ -2,6 +2,7 @@ # Makefile for the PowerPC 86xx linux kernel. # +obj-y := pic.o obj-$(CONFIG_SMP) += mpc86xx_smp.o obj-$(CONFIG_MPC8641_HPCN) += mpc86xx_hpcn.o obj-$(CONFIG_SBC8641D) += sbc8641d.o diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c index eb16208b29d9..30725302884a 100644 --- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c +++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c @@ -39,6 +39,8 @@ #include #include +#include "mpc86xx.h" + static unsigned char *pixis_bdcfg0, *pixis_arch; static struct of_device_id __initdata mpc8610_ids[] = { @@ -56,28 +58,6 @@ static int __init mpc8610_declare_of_platform_devices(void) } machine_device_initcall(mpc86xx_hpcd, mpc8610_declare_of_platform_devices); -static void __init mpc86xx_hpcd_init_irq(void) -{ - struct mpic *mpic1; - struct device_node *np; - struct resource res; - - /* Determine PIC address. */ - np = of_find_node_by_type(NULL, "open-pic"); - if (np == NULL) - return; - of_address_to_resource(np, 0, &res); - - /* Alloc mpic structure and per isu has 16 INT entries. */ - mpic1 = mpic_alloc(np, res.start, - MPIC_PRIMARY | MPIC_WANTS_RESET | - MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS, - 0, 256, " MPIC "); - BUG_ON(mpic1 == NULL); - - mpic_init(mpic1); -} - #ifdef CONFIG_PCI static void __devinit quirk_uli1575(struct pci_dev *dev) { @@ -405,7 +385,7 @@ define_machine(mpc86xx_hpcd) { .name = "MPC86xx HPCD", .probe = mpc86xx_hpcd_probe, .setup_arch = mpc86xx_hpcd_setup_arch, - .init_IRQ = mpc86xx_hpcd_init_irq, + .init_IRQ = mpc86xx_init_irq, .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, .time_init = mpc86xx_time_init, diff --git a/arch/powerpc/platforms/86xx/mpc86xx.h b/arch/powerpc/platforms/86xx/mpc86xx.h index 525ffa1904f9..08efb57559d1 100644 --- a/arch/powerpc/platforms/86xx/mpc86xx.h +++ b/arch/powerpc/platforms/86xx/mpc86xx.h @@ -15,6 +15,7 @@ * mpc86xx_* files. Mostly for use by mpc86xx_setup(). */ -extern void __init mpc86xx_smp_init(void); +extern void mpc86xx_smp_init(void); +extern void mpc86xx_init_irq(void); #endif /* __MPC86XX_H__ */ diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c index f13704aabbea..7916599c9126 100644 --- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c +++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c @@ -28,7 +28,6 @@ #include #include #include -#include #include @@ -45,67 +44,6 @@ #define DBG(fmt...) do { } while(0) #endif -#ifdef CONFIG_PCI -static void mpc86xx_8259_cascade(unsigned int irq, struct irq_desc *desc) -{ - unsigned int cascade_irq = i8259_irq(); - if (cascade_irq != NO_IRQ) - generic_handle_irq(cascade_irq); - desc->chip->eoi(irq); -} -#endif /* CONFIG_PCI */ - -static void __init -mpc86xx_hpcn_init_irq(void) -{ - struct mpic *mpic1; - struct device_node *np; - struct resource res; -#ifdef CONFIG_PCI - struct device_node *cascade_node = NULL; - int cascade_irq; -#endif - - /* Determine PIC address. */ - np = of_find_node_by_type(NULL, "open-pic"); - if (np == NULL) - return; - of_address_to_resource(np, 0, &res); - - /* Alloc mpic structure and per isu has 16 INT entries. */ - mpic1 = mpic_alloc(np, res.start, - MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, - 0, 256, " MPIC "); - BUG_ON(mpic1 == NULL); - - mpic_init(mpic1); - -#ifdef CONFIG_PCI - /* Initialize i8259 controller */ - for_each_node_by_type(np, "interrupt-controller") - if (of_device_is_compatible(np, "chrp,iic")) { - cascade_node = np; - break; - } - if (cascade_node == NULL) { - printk(KERN_DEBUG "mpc86xxhpcn: no ISA interrupt controller\n"); - return; - } - - cascade_irq = irq_of_parse_and_map(cascade_node, 0); - if (cascade_irq == NO_IRQ) { - printk(KERN_ERR "mpc86xxhpcn: failed to map cascade interrupt"); - return; - } - DBG("mpc86xxhpcn: cascade mapped to irq %d\n", cascade_irq); - - i8259_init(cascade_node, 0); - of_node_put(cascade_node); - - set_irq_chained_handler(cascade_irq, mpc86xx_8259_cascade); -#endif -} - #ifdef CONFIG_PCI extern int uses_fsl_uli_m1575; extern int uli_exclude_device(struct pci_controller *hose, @@ -237,7 +175,7 @@ define_machine(mpc86xx_hpcn) { .name = "MPC86xx HPCN", .probe = mpc86xx_hpcn_probe, .setup_arch = mpc86xx_hpcn_setup_arch, - .init_IRQ = mpc86xx_hpcn_init_irq, + .init_IRQ = mpc86xx_init_irq, .show_cpuinfo = mpc86xx_hpcn_show_cpuinfo, .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, diff --git a/arch/powerpc/platforms/86xx/pic.c b/arch/powerpc/platforms/86xx/pic.c new file mode 100644 index 000000000000..8881c5de500d --- /dev/null +++ b/arch/powerpc/platforms/86xx/pic.c @@ -0,0 +1,78 @@ +/* + * Copyright 2008 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include +#include +#include +#include + +#include +#include +#include + +#ifdef CONFIG_PPC_I8259 +static void mpc86xx_8259_cascade(unsigned int irq, struct irq_desc *desc) +{ + unsigned int cascade_irq = i8259_irq(); + if (cascade_irq != NO_IRQ) + generic_handle_irq(cascade_irq); + desc->chip->eoi(irq); +} +#endif /* CONFIG_PPC_I8259 */ + +void __init mpc86xx_init_irq(void) +{ + struct mpic *mpic; + struct device_node *np; + struct resource res; +#ifdef CONFIG_PPC_I8259 + struct device_node *cascade_node = NULL; + int cascade_irq; +#endif + + /* Determine PIC address. */ + np = of_find_node_by_type(NULL, "open-pic"); + if (np == NULL) + return; + of_address_to_resource(np, 0, &res); + + mpic = mpic_alloc(np, res.start, + MPIC_PRIMARY | MPIC_WANTS_RESET | + MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS, + 0, 256, " MPIC "); + of_node_put(np); + BUG_ON(mpic == NULL); + + mpic_init(mpic); + +#ifdef CONFIG_PPC_I8259 + /* Initialize i8259 controller */ + for_each_node_by_type(np, "interrupt-controller") + if (of_device_is_compatible(np, "chrp,iic")) { + cascade_node = np; + break; + } + + if (cascade_node == NULL) { + printk(KERN_DEBUG "Could not find i8259 PIC\n"); + return; + } + + cascade_irq = irq_of_parse_and_map(cascade_node, 0); + if (cascade_irq == NO_IRQ) { + printk(KERN_ERR "Failed to map cascade interrupt\n"); + return; + } + + i8259_init(cascade_node, 0); + of_node_put(cascade_node); + + set_irq_chained_handler(cascade_irq, mpc86xx_8259_cascade); +#endif +} diff --git a/arch/powerpc/platforms/86xx/sbc8641d.c b/arch/powerpc/platforms/86xx/sbc8641d.c index 510a06ef0b55..00e6fad3b3ca 100644 --- a/arch/powerpc/platforms/86xx/sbc8641d.c +++ b/arch/powerpc/platforms/86xx/sbc8641d.c @@ -37,29 +37,6 @@ #include "mpc86xx.h" -static void __init -sbc8641_init_irq(void) -{ - struct mpic *mpic1; - struct device_node *np; - struct resource res; - - /* Determine PIC address. */ - np = of_find_node_by_type(NULL, "open-pic"); - if (np == NULL) - return; - of_address_to_resource(np, 0, &res); - - /* Alloc mpic structure and per isu has 16 INT entries. */ - mpic1 = mpic_alloc(np, res.start, - MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, - 0, 256, " MPIC "); - of_node_put(np); - BUG_ON(mpic1 == NULL); - - mpic_init(mpic1); -} - static void __init sbc8641_setup_arch(void) { @@ -151,7 +128,7 @@ define_machine(sbc8641) { .name = "SBC8641D", .probe = sbc8641_probe, .setup_arch = sbc8641_setup_arch, - .init_IRQ = sbc8641_init_irq, + .init_IRQ = mpc86xx_init_irq, .show_cpuinfo = sbc8641_show_cpuinfo, .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, -- cgit v1.2.2 From a64887eb0a376d412cfa07a52728fb3f56cf9d6c Mon Sep 17 00:00:00 2001 From: Dave Jiang Date: Mon, 16 Jun 2008 15:36:17 -0700 Subject: powerpc/85xx: publish of device for cds platforms Publish the devices listed in dts under SOC as of_device for 85xx_cds platform. The devices are needed by the 85xx EDAC driver. Signed-off-by: Dave Jiang Signed-off-by: Kumar Gala --- arch/powerpc/platforms/85xx/mpc85xx_cds.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c index 8b1de7884be6..50d7ea8f922b 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #include @@ -335,6 +336,19 @@ static int __init mpc85xx_cds_probe(void) return of_flat_dt_is_compatible(root, "MPC85xxCDS"); } +static struct of_device_id __initdata of_bus_ids[] = { + { .type = "soc", }, + { .compatible = "soc", }, + { .compatible = "simple-bus", }, + {}, +}; + +static int __init declare_of_platform_devices(void) +{ + return of_platform_bus_probe(NULL, of_bus_ids, NULL); +} +machine_device_initcall(mpc85xx_cds, declare_of_platform_devices); + define_machine(mpc85xx_cds) { .name = "MPC85xx CDS", .probe = mpc85xx_cds_probe, -- cgit v1.2.2 From d8267c1a36864fc30a2ce01f4349a8f2931ae741 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Fri, 27 Jun 2008 11:26:26 -0500 Subject: powerpc: Add 82xx/83xx/86xx to 6xx Multiplatform There isn't any reason at this point that we can't build 82xx, 83xx & 86xx support in with the other 6xx based boards. Twiddle the Kconfigs to allow this. This allows us to remove the machine type selection for related to 6xx. Signed-off-by: Kumar Gala --- arch/powerpc/platforms/82xx/Kconfig | 11 ++++++----- arch/powerpc/platforms/83xx/Kconfig | 10 ++++++---- arch/powerpc/platforms/86xx/Kconfig | 16 +++++++++++----- arch/powerpc/platforms/Kconfig | 33 +++------------------------------ 4 files changed, 26 insertions(+), 44 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/82xx/Kconfig b/arch/powerpc/platforms/82xx/Kconfig index 917ac8891555..1c8034bfa796 100644 --- a/arch/powerpc/platforms/82xx/Kconfig +++ b/arch/powerpc/platforms/82xx/Kconfig @@ -1,7 +1,8 @@ -choice - prompt "82xx Board Type" - depends on PPC_82xx - default MPC8272_ADS +menuconfig PPC_82xx + bool "82xx-based boards (PQ II)" + depends on 6xx && PPC_MULTIPLATFORM + +if PPC_82xx config MPC8272_ADS bool "Freescale MPC8272 ADS" @@ -36,7 +37,7 @@ config EP8248E This board is also resold by Freescale as the QUICCStart MPC8248 Evaluation System and/or the CWH-PPC-8248N-VE. -endchoice +endif config PQ2ADS bool diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig index fe75b2ac3c9f..27d9bf86de01 100644 --- a/arch/powerpc/platforms/83xx/Kconfig +++ b/arch/powerpc/platforms/83xx/Kconfig @@ -1,10 +1,12 @@ -menuconfig MPC83xx - bool "83xx Board Type" - depends on PPC_83xx +menuconfig PPC_83xx + bool "83xx-based boards" + depends on 6xx && PPC_MULTIPLATFORM select PPC_UDBG_16550 select PPC_INDIRECT_PCI + select FSL_SOC + select IPIC -if MPC83xx +if PPC_83xx config MPC831x_RDB bool "Freescale MPC831x RDB" diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig index 053f49a1dcae..80a81e02bb55 100644 --- a/arch/powerpc/platforms/86xx/Kconfig +++ b/arch/powerpc/platforms/86xx/Kconfig @@ -1,7 +1,13 @@ -choice - prompt "86xx Board Type" - depends on PPC_86xx - default MPC8641_HPCN +config PPC_86xx +menuconfig PPC_86xx + bool "86xx-based boards" + depends on 6xx && PPC_MULTIPLATFORM + select FSL_SOC + select ALTIVEC + help + The Freescale E600 SoCs have 74xx cores. + +if PPC_86xx config MPC8641_HPCN bool "Freescale MPC8641 HPCN" @@ -24,7 +30,7 @@ config MPC8610_HPCD help This option enables support for the MPC8610 HPCD board. -endchoice +endif config MPC8641 bool diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index 87454c526973..690c1f46e698 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -1,36 +1,9 @@ menu "Platform support" -choice - prompt "Machine type" - depends on PPC64 || 6xx - default PPC_MULTIPLATFORM - config PPC_MULTIPLATFORM - bool "Generic desktop/server/laptop" - help - Select this option if configuring for an IBM pSeries or - RS/6000 machine, an Apple machine, or a PReP, CHRP, - Maple or Cell-based machine. - -config PPC_82xx - bool "Freescale 82xx" - depends on 6xx - -config PPC_83xx - bool "Freescale 83xx" - depends on 6xx - select FSL_SOC - select MPC83xx - select IPIC - -config PPC_86xx - bool "Freescale 86xx" - depends on 6xx - select FSL_SOC - select ALTIVEC - help - The Freescale E600 SoCs have 74xx cores. -endchoice + bool + depends on PPC64 || 6xx + default y config CLASSIC32 def_bool y -- cgit v1.2.2 From b93eeba49efb30f88a83fc97ad22c255605654a1 Mon Sep 17 00:00:00 2001 From: Jason Jin Date: Tue, 8 Jul 2008 09:21:08 +0800 Subject: powerpc/85xx: Minor fixes for 85xxds and 8536ds board. Remove the "uninitialized use" compile warning and avoid potential runtime issue. Signed-off-by: Jason Jin Signed-off-by: Kumar Gala --- arch/powerpc/platforms/85xx/mpc8536_ds.c | 2 +- arch/powerpc/platforms/85xx/mpc85xx_ds.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/85xx/mpc8536_ds.c b/arch/powerpc/platforms/85xx/mpc8536_ds.c index 71d7c038961f..6b846aa1ced9 100644 --- a/arch/powerpc/platforms/85xx/mpc8536_ds.c +++ b/arch/powerpc/platforms/85xx/mpc8536_ds.c @@ -36,7 +36,7 @@ void __init mpc8536_ds_pic_init(void) struct resource r; struct device_node *np; - np = of_find_node_by_type(np, "open-pic"); + np = of_find_node_by_type(NULL, "open-pic"); if (np == NULL) { printk(KERN_ERR "Could not find open-pic node\n"); return; diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c index 8b2d63d4264e..25f41cd2d33a 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c @@ -64,7 +64,7 @@ void __init mpc85xx_ds_pic_init(void) int cascade_irq; #endif - np = of_find_node_by_type(np, "open-pic"); + np = of_find_node_by_type(NULL, "open-pic"); if (np == NULL) { printk(KERN_ERR "Could not find open-pic node\n"); return; -- cgit v1.2.2 From 443dcac4d89622cbfc61f53523007979879d6f8e Mon Sep 17 00:00:00 2001 From: Dave Kleikamp Date: Thu, 10 Jul 2008 01:28:07 +1000 Subject: powerpc: Remove unnecessary condition when sanity-checking WIMG bits It is okay for both _PAGE_GUARDED and _PAGE_COHERENT (G and M) to be set in the same pte. In fact, even if that were not the case, there doesn't seem to be any place where G is set without also setting I (_PAGE_NO_CACHE), so the test for I is sufficient as a condition to clear _PAGE_COHERENT when filling the hash table. Signed-off-by: Dave Kleikamp Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/cell/beat_htab.c | 4 ++-- arch/powerpc/platforms/pseries/lpar.c | 3 +-- 2 files changed, 3 insertions(+), 4 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/cell/beat_htab.c b/arch/powerpc/platforms/cell/beat_htab.c index 81467ff055c8..2e67bd840e01 100644 --- a/arch/powerpc/platforms/cell/beat_htab.c +++ b/arch/powerpc/platforms/cell/beat_htab.c @@ -112,7 +112,7 @@ static long beat_lpar_hpte_insert(unsigned long hpte_group, if (!(vflags & HPTE_V_BOLTED)) DBG_LOW(" hpte_v=%016lx, hpte_r=%016lx\n", hpte_v, hpte_r); - if (rflags & (_PAGE_GUARDED|_PAGE_NO_CACHE)) + if (rflags & _PAGE_NO_CACHE) hpte_r &= ~_PAGE_COHERENT; spin_lock(&beat_htab_lock); @@ -334,7 +334,7 @@ static long beat_lpar_hpte_insert_v3(unsigned long hpte_group, if (!(vflags & HPTE_V_BOLTED)) DBG_LOW(" hpte_v=%016lx, hpte_r=%016lx\n", hpte_v, hpte_r); - if (rflags & (_PAGE_GUARDED|_PAGE_NO_CACHE)) + if (rflags & _PAGE_NO_CACHE) hpte_r &= ~_PAGE_COHERENT; /* insert into not-volted entry */ diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index 38b5927b3629..52a80e5840e8 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -305,8 +305,7 @@ static long pSeries_lpar_hpte_insert(unsigned long hpte_group, flags = 0; /* Make pHyp happy */ - if ((rflags & _PAGE_GUARDED) || - ((rflags & _PAGE_NO_CACHE) & !(rflags & _PAGE_WRITETHRU))) + if ((rflags & _PAGE_NO_CACHE) & !(rflags & _PAGE_WRITETHRU)) hpte_r &= ~_PAGE_COHERENT; lpar_rc = plpar_pte_enter(flags, hpte_group, hpte_v, hpte_r, &slot); -- cgit v1.2.2 From e3621ee633810be1079d0fa65ac2c904f53b73fa Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Wed, 16 Jul 2008 08:39:12 -0500 Subject: powerpc/ep8248e: Fix compile problem if !CONFIG_FS_ENET If we don't enable FS_ENET we get build issues: arch/powerpc/platforms/built-in.o: In function `ep8248e_mdio_probe': arch/powerpc/platforms/82xx/ep8248e.c:129: undefined reference to `alloc_mdio_bitbang' arch/powerpc/platforms/82xx/ep8248e.c:143: undefined reference to `mdiobus_register' Signed-off-by: Kumar Gala Signed-off-by: Linus Torvalds --- arch/powerpc/platforms/82xx/ep8248e.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/82xx/ep8248e.c b/arch/powerpc/platforms/82xx/ep8248e.c index d5770fdf7f09..373e993a5ed5 100644 --- a/arch/powerpc/platforms/82xx/ep8248e.c +++ b/arch/powerpc/platforms/82xx/ep8248e.c @@ -59,6 +59,7 @@ static void __init ep8248e_pic_init(void) of_node_put(np); } +#ifdef CONFIG_FS_ENET_MDIO_FCC static void ep8248e_set_mdc(struct mdiobb_ctrl *ctrl, int level) { if (level) @@ -164,6 +165,7 @@ static struct of_platform_driver ep8248e_mdio_driver = { .probe = ep8248e_mdio_probe, .remove = ep8248e_mdio_remove, }; +#endif struct cpm_pin { int port, pin, flags; @@ -296,7 +298,9 @@ static __initdata struct of_device_id of_bus_ids[] = { static int __init declare_of_platform_devices(void) { of_platform_bus_probe(NULL, of_bus_ids, NULL); +#ifdef CONFIG_FS_ENET_MDIO_FCC of_register_platform_driver(&ep8248e_mdio_driver); +#endif return 0; } -- cgit v1.2.2