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authorRussell King <rmk+kernel@arm.linux.org.uk>2009-09-19 08:47:57 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-09-19 08:47:57 -0400
commit40d743b8c16a8cf6e30c1d941aa6147f9550ea75 (patch)
tree9fcdf9a06b18a275253048d1ea7c9803cec38845 /arch/powerpc/platforms/85xx
parent7da18afa423f167e7ef3c9728e584d8bf05bd55a (diff)
parent83e686ea0291ee93b87dcdc00b96443b80de56c9 (diff)
Merge branch 'for-rmk' of git://linux-arm.org/linux-2.6
Diffstat (limited to 'arch/powerpc/platforms/85xx')
-rw-r--r--arch/powerpc/platforms/85xx/Kconfig9
-rw-r--r--arch/powerpc/platforms/85xx/Makefile3
-rw-r--r--arch/powerpc/platforms/85xx/mpc8536_ds.c3
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_ds.c3
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_mds.c7
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_rdb.c141
-rw-r--r--arch/powerpc/platforms/85xx/sbc8560.c39
-rw-r--r--arch/powerpc/platforms/85xx/smp.c23
8 files changed, 200 insertions, 28 deletions
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index a9b416688975..d3a975e8fd3e 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -55,6 +55,15 @@ config MPC85xx_DS
55 help 55 help
56 This option enables support for the MPC85xx DS (MPC8544 DS) board 56 This option enables support for the MPC85xx DS (MPC8544 DS) board
57 57
58config MPC85xx_RDB
59 bool "Freescale MPC85xx RDB"
60 select PPC_I8259
61 select DEFAULT_UIMAGE
62 select FSL_ULI1575
63 select SWIOTLB
64 help
65 This option enables support for the MPC85xx RDB (P2020 RDB) board
66
58config SOCRATES 67config SOCRATES
59 bool "Socrates" 68 bool "Socrates"
60 select DEFAULT_UIMAGE 69 select DEFAULT_UIMAGE
diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile
index 835733f2b12c..9098aea0cf32 100644
--- a/arch/powerpc/platforms/85xx/Makefile
+++ b/arch/powerpc/platforms/85xx/Makefile
@@ -9,10 +9,11 @@ obj-$(CONFIG_MPC85xx_CDS) += mpc85xx_cds.o
9obj-$(CONFIG_MPC8536_DS) += mpc8536_ds.o 9obj-$(CONFIG_MPC8536_DS) += mpc8536_ds.o
10obj-$(CONFIG_MPC85xx_DS) += mpc85xx_ds.o 10obj-$(CONFIG_MPC85xx_DS) += mpc85xx_ds.o
11obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o 11obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o
12obj-$(CONFIG_MPC85xx_RDB) += mpc85xx_rdb.o
12obj-$(CONFIG_STX_GP3) += stx_gp3.o 13obj-$(CONFIG_STX_GP3) += stx_gp3.o
13obj-$(CONFIG_TQM85xx) += tqm85xx.o 14obj-$(CONFIG_TQM85xx) += tqm85xx.o
14obj-$(CONFIG_SBC8560) += sbc8560.o 15obj-$(CONFIG_SBC8560) += sbc8560.o
15obj-$(CONFIG_SBC8548) += sbc8548.o 16obj-$(CONFIG_SBC8548) += sbc8548.o
16obj-$(CONFIG_SOCRATES) += socrates.o socrates_fpga_pic.o 17obj-$(CONFIG_SOCRATES) += socrates.o socrates_fpga_pic.o
17obj-$(CONFIG_KSI8560) += ksi8560.o 18obj-$(CONFIG_KSI8560) += ksi8560.o
18obj-$(CONFIG_XES_MPC85xx) += xes_mpc85xx.o \ No newline at end of file 19obj-$(CONFIG_XES_MPC85xx) += xes_mpc85xx.o
diff --git a/arch/powerpc/platforms/85xx/mpc8536_ds.c b/arch/powerpc/platforms/85xx/mpc8536_ds.c
index 055ff417bae9..004b7d36cdb7 100644
--- a/arch/powerpc/platforms/85xx/mpc8536_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc8536_ds.c
@@ -96,7 +96,8 @@ static void __init mpc8536_ds_setup_arch(void)
96#ifdef CONFIG_SWIOTLB 96#ifdef CONFIG_SWIOTLB
97 if (lmb_end_of_DRAM() > max) { 97 if (lmb_end_of_DRAM() > max) {
98 ppc_swiotlb_enable = 1; 98 ppc_swiotlb_enable = 1;
99 set_pci_dma_ops(&swiotlb_pci_dma_ops); 99 set_pci_dma_ops(&swiotlb_dma_ops);
100 ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb;
100 } 101 }
101#endif 102#endif
102 103
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
index 849c0ac0025f..544011a562fb 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
@@ -192,7 +192,8 @@ static void __init mpc85xx_ds_setup_arch(void)
192#ifdef CONFIG_SWIOTLB 192#ifdef CONFIG_SWIOTLB
193 if (lmb_end_of_DRAM() > max) { 193 if (lmb_end_of_DRAM() > max) {
194 ppc_swiotlb_enable = 1; 194 ppc_swiotlb_enable = 1;
195 set_pci_dma_ops(&swiotlb_pci_dma_ops); 195 set_pci_dma_ops(&swiotlb_dma_ops);
196 ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb;
196 } 197 }
197#endif 198#endif
198 199
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
index bfb32834ab0c..3909d57b86e3 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
@@ -47,6 +47,7 @@
47#include <asm/udbg.h> 47#include <asm/udbg.h>
48#include <sysdev/fsl_soc.h> 48#include <sysdev/fsl_soc.h>
49#include <sysdev/fsl_pci.h> 49#include <sysdev/fsl_pci.h>
50#include <sysdev/simple_gpio.h>
50#include <asm/qe.h> 51#include <asm/qe.h>
51#include <asm/qe_ic.h> 52#include <asm/qe_ic.h>
52#include <asm/mpic.h> 53#include <asm/mpic.h>
@@ -254,7 +255,8 @@ static void __init mpc85xx_mds_setup_arch(void)
254#ifdef CONFIG_SWIOTLB 255#ifdef CONFIG_SWIOTLB
255 if (lmb_end_of_DRAM() > max) { 256 if (lmb_end_of_DRAM() > max) {
256 ppc_swiotlb_enable = 1; 257 ppc_swiotlb_enable = 1;
257 set_pci_dma_ops(&swiotlb_pci_dma_ops); 258 set_pci_dma_ops(&swiotlb_dma_ops);
259 ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb;
258 } 260 }
259#endif 261#endif
260} 262}
@@ -304,6 +306,9 @@ static struct of_device_id mpc85xx_ids[] = {
304 306
305static int __init mpc85xx_publish_devices(void) 307static int __init mpc85xx_publish_devices(void)
306{ 308{
309 if (machine_is(mpc8569_mds))
310 simple_gpiochip_init("fsl,mpc8569mds-bcsr-gpio");
311
307 /* Publish the QE devices */ 312 /* Publish the QE devices */
308 of_platform_bus_probe(NULL, mpc85xx_ids, NULL); 313 of_platform_bus_probe(NULL, mpc85xx_ids, NULL);
309 314
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c
new file mode 100644
index 000000000000..c8468de4acf6
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c
@@ -0,0 +1,141 @@
1/*
2 * MPC85xx RDB Board Setup
3 *
4 * Copyright 2009 Freescale Semiconductor Inc.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version.
10 */
11
12#include <linux/stddef.h>
13#include <linux/kernel.h>
14#include <linux/pci.h>
15#include <linux/kdev_t.h>
16#include <linux/delay.h>
17#include <linux/seq_file.h>
18#include <linux/interrupt.h>
19#include <linux/of_platform.h>
20
21#include <asm/system.h>
22#include <asm/time.h>
23#include <asm/machdep.h>
24#include <asm/pci-bridge.h>
25#include <mm/mmu_decl.h>
26#include <asm/prom.h>
27#include <asm/udbg.h>
28#include <asm/mpic.h>
29
30#include <sysdev/fsl_soc.h>
31#include <sysdev/fsl_pci.h>
32
33#undef DEBUG
34
35#ifdef DEBUG
36#define DBG(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args)
37#else
38#define DBG(fmt, args...)
39#endif
40
41
42void __init mpc85xx_rdb_pic_init(void)
43{
44 struct mpic *mpic;
45 struct resource r;
46 struct device_node *np;
47
48 np = of_find_node_by_type(NULL, "open-pic");
49 if (np == NULL) {
50 printk(KERN_ERR "Could not find open-pic node\n");
51 return;
52 }
53
54 if (of_address_to_resource(np, 0, &r)) {
55 printk(KERN_ERR "Failed to map mpic register space\n");
56 of_node_put(np);
57 return;
58 }
59
60 mpic = mpic_alloc(np, r.start,
61 MPIC_PRIMARY | MPIC_WANTS_RESET |
62 MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
63 MPIC_SINGLE_DEST_CPU,
64 0, 256, " OpenPIC ");
65
66 BUG_ON(mpic == NULL);
67 of_node_put(np);
68
69 mpic_init(mpic);
70
71}
72
73/*
74 * Setup the architecture
75 */
76#ifdef CONFIG_SMP
77extern void __init mpc85xx_smp_init(void);
78#endif
79static void __init mpc85xx_rdb_setup_arch(void)
80{
81#ifdef CONFIG_PCI
82 struct device_node *np;
83#endif
84
85 if (ppc_md.progress)
86 ppc_md.progress("mpc85xx_rdb_setup_arch()", 0);
87
88#ifdef CONFIG_PCI
89 for_each_node_by_type(np, "pci") {
90 if (of_device_is_compatible(np, "fsl,mpc8548-pcie"))
91 fsl_add_bridge(np, 0);
92 }
93
94#endif
95
96#ifdef CONFIG_SMP
97 mpc85xx_smp_init();
98#endif
99
100 printk(KERN_INFO "MPC85xx RDB board from Freescale Semiconductor\n");
101}
102
103static struct of_device_id __initdata mpc85xxrdb_ids[] = {
104 { .type = "soc", },
105 { .compatible = "soc", },
106 { .compatible = "simple-bus", },
107 { .compatible = "gianfar", },
108 {},
109};
110
111static int __init mpc85xxrdb_publish_devices(void)
112{
113 return of_platform_bus_probe(NULL, mpc85xxrdb_ids, NULL);
114}
115machine_device_initcall(p2020_rdb, mpc85xxrdb_publish_devices);
116
117/*
118 * Called very early, device-tree isn't unflattened
119 */
120static int __init p2020_rdb_probe(void)
121{
122 unsigned long root = of_get_flat_dt_root();
123
124 if (of_flat_dt_is_compatible(root, "fsl,P2020RDB"))
125 return 1;
126 return 0;
127}
128
129define_machine(p2020_rdb) {
130 .name = "P2020 RDB",
131 .probe = p2020_rdb_probe,
132 .setup_arch = mpc85xx_rdb_setup_arch,
133 .init_IRQ = mpc85xx_rdb_pic_init,
134#ifdef CONFIG_PCI
135 .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
136#endif
137 .get_irq = mpic_get_irq,
138 .restart = fsl_rstcr_restart,
139 .calibrate_decr = generic_calibrate_decr,
140 .progress = udbg_progress,
141};
diff --git a/arch/powerpc/platforms/85xx/sbc8560.c b/arch/powerpc/platforms/85xx/sbc8560.c
index cc27807a8b64..a5ad1c7794bf 100644
--- a/arch/powerpc/platforms/85xx/sbc8560.c
+++ b/arch/powerpc/platforms/85xx/sbc8560.c
@@ -267,6 +267,43 @@ arch_initcall(sbc8560_rtc_init);
267 267
268#endif /* M48T59 */ 268#endif /* M48T59 */
269 269
270static __u8 __iomem *brstcr;
271
272static int __init sbc8560_bdrstcr_init(void)
273{
274 struct device_node *np;
275 struct resource res;
276
277 np = of_find_compatible_node(NULL, NULL, "wrs,sbc8560-brstcr");
278 if (np == NULL) {
279 printk(KERN_WARNING "sbc8560: No board specific RSTCR in DTB.\n");
280 return -ENODEV;
281 }
282
283 of_address_to_resource(np, 0, &res);
284
285 printk(KERN_INFO "sbc8560: Found BRSTCR at i/o 0x%x\n", res.start);
286
287 brstcr = ioremap(res.start, res.end - res.start);
288 if(!brstcr)
289 printk(KERN_WARNING "sbc8560: ioremap of brstcr failed.\n");
290
291 of_node_put(np);
292
293 return 0;
294}
295
296arch_initcall(sbc8560_bdrstcr_init);
297
298void sbc8560_rstcr_restart(char * cmd)
299{
300 local_irq_disable();
301 if(brstcr)
302 clrbits8(brstcr, 0x80);
303
304 while(1);
305}
306
270define_machine(sbc8560) { 307define_machine(sbc8560) {
271 .name = "SBC8560", 308 .name = "SBC8560",
272 .probe = sbc8560_probe, 309 .probe = sbc8560_probe,
@@ -274,7 +311,7 @@ define_machine(sbc8560) {
274 .init_IRQ = sbc8560_pic_init, 311 .init_IRQ = sbc8560_pic_init,
275 .show_cpuinfo = sbc8560_show_cpuinfo, 312 .show_cpuinfo = sbc8560_show_cpuinfo,
276 .get_irq = mpic_get_irq, 313 .get_irq = mpic_get_irq,
277 .restart = fsl_rstcr_restart, 314 .restart = sbc8560_rstcr_restart,
278 .calibrate_decr = generic_calibrate_decr, 315 .calibrate_decr = generic_calibrate_decr,
279 .progress = udbg_progress, 316 .progress = udbg_progress,
280}; 317};
diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c
index 62c592ede641..04160a4cc699 100644
--- a/arch/powerpc/platforms/85xx/smp.c
+++ b/arch/powerpc/platforms/85xx/smp.c
@@ -25,7 +25,6 @@
25 25
26#include <sysdev/fsl_soc.h> 26#include <sysdev/fsl_soc.h>
27 27
28extern volatile unsigned long __secondary_hold_acknowledge;
29extern void __early_start(void); 28extern void __early_start(void);
30 29
31#define BOOT_ENTRY_ADDR_UPPER 0 30#define BOOT_ENTRY_ADDR_UPPER 0
@@ -80,46 +79,24 @@ smp_85xx_kick_cpu(int nr)
80} 79}
81 80
82static void __init 81static void __init
83smp_85xx_basic_setup(int cpu_nr)
84{
85 /* Clear any pending timer interrupts */
86 mtspr(SPRN_TSR, TSR_ENW | TSR_WIS | TSR_DIS | TSR_FIS);
87
88 /* Enable decrementer interrupt */
89 mtspr(SPRN_TCR, TCR_DIE);
90}
91
92static void __init
93smp_85xx_setup_cpu(int cpu_nr) 82smp_85xx_setup_cpu(int cpu_nr)
94{ 83{
95 mpic_setup_this_cpu(); 84 mpic_setup_this_cpu();
96
97 smp_85xx_basic_setup(cpu_nr);
98} 85}
99 86
100struct smp_ops_t smp_85xx_ops = { 87struct smp_ops_t smp_85xx_ops = {
101 .kick_cpu = smp_85xx_kick_cpu, 88 .kick_cpu = smp_85xx_kick_cpu,
102}; 89};
103 90
104static int __init smp_dummy_probe(void)
105{
106 return NR_CPUS;
107}
108
109void __init mpc85xx_smp_init(void) 91void __init mpc85xx_smp_init(void)
110{ 92{
111 struct device_node *np; 93 struct device_node *np;
112 94
113 smp_85xx_ops.message_pass = NULL;
114
115 np = of_find_node_by_type(NULL, "open-pic"); 95 np = of_find_node_by_type(NULL, "open-pic");
116 if (np) { 96 if (np) {
117 smp_85xx_ops.probe = smp_mpic_probe; 97 smp_85xx_ops.probe = smp_mpic_probe;
118 smp_85xx_ops.setup_cpu = smp_85xx_setup_cpu; 98 smp_85xx_ops.setup_cpu = smp_85xx_setup_cpu;
119 smp_85xx_ops.message_pass = smp_mpic_message_pass; 99 smp_85xx_ops.message_pass = smp_mpic_message_pass;
120 } else {
121 smp_85xx_ops.probe = smp_dummy_probe;
122 smp_85xx_ops.setup_cpu = smp_85xx_basic_setup;
123 } 100 }
124 101
125 if (cpu_has_feature(CPU_FTR_DBELL)) 102 if (cpu_has_feature(CPU_FTR_DBELL))