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authorLinus Torvalds <torvalds@linux-foundation.org>2008-12-28 19:54:33 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2008-12-28 19:54:33 -0500
commit3c92ec8ae91ecf59d88c798301833d7cf83f2179 (patch)
tree08a38cd3523c42bd49882f17cd501fd879e7ca1c /arch/powerpc/sysdev
parentc4c9f0183b7c4e97836e8fecbb67898b06c47e78 (diff)
parentca9153a3a2a7556d091dfe080e42b0e67881fff6 (diff)
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (144 commits) powerpc/44x: Support 16K/64K base page sizes on 44x powerpc: Force memory size to be a multiple of PAGE_SIZE powerpc/32: Wire up the trampoline code for kdump powerpc/32: Add the ability for a classic ppc kernel to be loaded at 32M powerpc/32: Allow __ioremap on RAM addresses for kdump kernel powerpc/32: Setup OF properties for kdump powerpc/32/kdump: Implement crash_setup_regs() using ppc_save_regs() powerpc: Prepare xmon_save_regs for use with kdump powerpc: Remove default kexec/crash_kernel ops assignments powerpc: Make default kexec/crash_kernel ops implicit powerpc: Setup OF properties for ppc32 kexec powerpc/pseries: Fix cpu hotplug powerpc: Fix KVM build on ppc440 powerpc/cell: add QPACE as a separate Cell platform powerpc/cell: fix build breakage with CONFIG_SPUFS disabled powerpc/mpc5200: fix error paths in PSC UART probe function powerpc/mpc5200: add rts/cts handling in PSC UART driver powerpc/mpc5200: Make PSC UART driver update serial errors counters powerpc/mpc5200: Remove obsolete code from mpc5200 MDIO driver powerpc/mpc5200: Add MDMA/UDMA support to MPC5200 ATA driver ... Fix trivial conflict in drivers/char/Makefile as per Paul's directions
Diffstat (limited to 'arch/powerpc/sysdev')
-rw-r--r--arch/powerpc/sysdev/bestcomm/ata.c3
-rw-r--r--arch/powerpc/sysdev/bestcomm/ata.h19
-rw-r--r--arch/powerpc/sysdev/bestcomm/bestcomm.c7
-rw-r--r--arch/powerpc/sysdev/bestcomm/bestcomm.h61
-rw-r--r--arch/powerpc/sysdev/bestcomm/bestcomm_priv.h20
-rw-r--r--arch/powerpc/sysdev/dcr-low.S8
-rw-r--r--arch/powerpc/sysdev/dcr.c5
-rw-r--r--arch/powerpc/sysdev/fsl_pci.c4
-rw-r--r--arch/powerpc/sysdev/grackle.c2
-rw-r--r--arch/powerpc/sysdev/mpic.c32
-rw-r--r--arch/powerpc/sysdev/ppc4xx_pci.c306
-rw-r--r--arch/powerpc/sysdev/qe_lib/qe.c3
-rw-r--r--arch/powerpc/sysdev/qe_lib/ucc.c4
13 files changed, 300 insertions, 174 deletions
diff --git a/arch/powerpc/sysdev/bestcomm/ata.c b/arch/powerpc/sysdev/bestcomm/ata.c
index 1f5258fb38c3..901c9f91e5dd 100644
--- a/arch/powerpc/sysdev/bestcomm/ata.c
+++ b/arch/powerpc/sysdev/bestcomm/ata.c
@@ -61,6 +61,9 @@ bcom_ata_init(int queue_len, int maxbufsize)
61 struct bcom_ata_var *var; 61 struct bcom_ata_var *var;
62 struct bcom_ata_inc *inc; 62 struct bcom_ata_inc *inc;
63 63
64 /* Prefetch breaks ATA DMA. Turn it off for ATA DMA */
65 bcom_disable_prefetch();
66
64 tsk = bcom_task_alloc(queue_len, sizeof(struct bcom_ata_bd), 0); 67 tsk = bcom_task_alloc(queue_len, sizeof(struct bcom_ata_bd), 0);
65 if (!tsk) 68 if (!tsk)
66 return NULL; 69 return NULL;
diff --git a/arch/powerpc/sysdev/bestcomm/ata.h b/arch/powerpc/sysdev/bestcomm/ata.h
index 10982769c465..0b2371811334 100644
--- a/arch/powerpc/sysdev/bestcomm/ata.h
+++ b/arch/powerpc/sysdev/bestcomm/ata.h
@@ -16,22 +16,15 @@
16 16
17struct bcom_ata_bd { 17struct bcom_ata_bd {
18 u32 status; 18 u32 status;
19 u32 dst_pa;
20 u32 src_pa; 19 u32 src_pa;
20 u32 dst_pa;
21}; 21};
22 22
23extern struct bcom_task * 23extern struct bcom_task * bcom_ata_init(int queue_len, int maxbufsize);
24bcom_ata_init(int queue_len, int maxbufsize); 24extern void bcom_ata_rx_prepare(struct bcom_task *tsk);
25 25extern void bcom_ata_tx_prepare(struct bcom_task *tsk);
26extern void 26extern void bcom_ata_reset_bd(struct bcom_task *tsk);
27bcom_ata_rx_prepare(struct bcom_task *tsk); 27extern void bcom_ata_release(struct bcom_task *tsk);
28
29extern void
30bcom_ata_tx_prepare(struct bcom_task *tsk);
31
32extern void
33bcom_ata_reset_bd(struct bcom_task *tsk);
34
35 28
36#endif /* __BESTCOMM_ATA_H__ */ 29#endif /* __BESTCOMM_ATA_H__ */
37 30
diff --git a/arch/powerpc/sysdev/bestcomm/bestcomm.c b/arch/powerpc/sysdev/bestcomm/bestcomm.c
index 446c9ea85b30..378ebd9aac18 100644
--- a/arch/powerpc/sysdev/bestcomm/bestcomm.c
+++ b/arch/powerpc/sysdev/bestcomm/bestcomm.c
@@ -279,7 +279,6 @@ bcom_engine_init(void)
279 int task; 279 int task;
280 phys_addr_t tdt_pa, ctx_pa, var_pa, fdt_pa; 280 phys_addr_t tdt_pa, ctx_pa, var_pa, fdt_pa;
281 unsigned int tdt_size, ctx_size, var_size, fdt_size; 281 unsigned int tdt_size, ctx_size, var_size, fdt_size;
282 u16 regval;
283 282
284 /* Allocate & clear SRAM zones for FDT, TDTs, contexts and vars/incs */ 283 /* Allocate & clear SRAM zones for FDT, TDTs, contexts and vars/incs */
285 tdt_size = BCOM_MAX_TASKS * sizeof(struct bcom_tdt); 284 tdt_size = BCOM_MAX_TASKS * sizeof(struct bcom_tdt);
@@ -331,10 +330,8 @@ bcom_engine_init(void)
331 out_8(&bcom_eng->regs->ipr[BCOM_INITIATOR_ALWAYS], BCOM_IPR_ALWAYS); 330 out_8(&bcom_eng->regs->ipr[BCOM_INITIATOR_ALWAYS], BCOM_IPR_ALWAYS);
332 331
333 /* Disable COMM Bus Prefetch on the original 5200; it's broken */ 332 /* Disable COMM Bus Prefetch on the original 5200; it's broken */
334 if ((mfspr(SPRN_SVR) & MPC5200_SVR_MASK) == MPC5200_SVR) { 333 if ((mfspr(SPRN_SVR) & MPC5200_SVR_MASK) == MPC5200_SVR)
335 regval = in_be16(&bcom_eng->regs->PtdCntrl); 334 bcom_disable_prefetch();
336 out_be16(&bcom_eng->regs->PtdCntrl, regval | 1);
337 }
338 335
339 /* Init lock */ 336 /* Init lock */
340 spin_lock_init(&bcom_eng->lock); 337 spin_lock_init(&bcom_eng->lock);
diff --git a/arch/powerpc/sysdev/bestcomm/bestcomm.h b/arch/powerpc/sysdev/bestcomm/bestcomm.h
index c960a8b49655..23a95f80dfdb 100644
--- a/arch/powerpc/sysdev/bestcomm/bestcomm.h
+++ b/arch/powerpc/sysdev/bestcomm/bestcomm.h
@@ -16,8 +16,19 @@
16#ifndef __BESTCOMM_H__ 16#ifndef __BESTCOMM_H__
17#define __BESTCOMM_H__ 17#define __BESTCOMM_H__
18 18
19struct bcom_bd; /* defined later on ... */ 19/**
20 20 * struct bcom_bd - Structure describing a generic BestComm buffer descriptor
21 * @status: The current status of this buffer. Exact meaning depends on the
22 * task type
23 * @data: An array of u32 extra data. Size of array is task dependant.
24 *
25 * Note: Don't dereference a bcom_bd pointer as an array. The size of the
26 * bcom_bd is variable. Use bcom_get_bd() instead.
27 */
28struct bcom_bd {
29 u32 status;
30 u32 data[0]; /* variable payload size */
31};
21 32
22/* ======================================================================== */ 33/* ======================================================================== */
23/* Generic task management */ 34/* Generic task management */
@@ -84,17 +95,6 @@ bcom_get_task_irq(struct bcom_task *tsk) {
84/* BD based tasks helpers */ 95/* BD based tasks helpers */
85/* ======================================================================== */ 96/* ======================================================================== */
86 97
87/**
88 * struct bcom_bd - Structure describing a generic BestComm buffer descriptor
89 * @status: The current status of this buffer. Exact meaning depends on the
90 * task type
91 * @data: An array of u32 whose meaning depends on the task type.
92 */
93struct bcom_bd {
94 u32 status;
95 u32 data[1]; /* variable, but at least 1 */
96};
97
98#define BCOM_BD_READY 0x40000000ul 98#define BCOM_BD_READY 0x40000000ul
99 99
100/** _bcom_next_index - Get next input index. 100/** _bcom_next_index - Get next input index.
@@ -140,15 +140,31 @@ bcom_queue_full(struct bcom_task *tsk)
140} 140}
141 141
142/** 142/**
143 * bcom_get_bd - Get a BD from the queue
144 * @tsk: The BestComm task structure
145 * index: Index of the BD to fetch
146 */
147static inline struct bcom_bd
148*bcom_get_bd(struct bcom_task *tsk, unsigned int index)
149{
150 /* A cast to (void*) so the address can be incremented by the
151 * real size instead of by sizeof(struct bcom_bd) */
152 return ((void *)tsk->bd) + (index * tsk->bd_size);
153}
154
155/**
143 * bcom_buffer_done - Checks if a BestComm 156 * bcom_buffer_done - Checks if a BestComm
144 * @tsk: The BestComm task structure 157 * @tsk: The BestComm task structure
145 */ 158 */
146static inline int 159static inline int
147bcom_buffer_done(struct bcom_task *tsk) 160bcom_buffer_done(struct bcom_task *tsk)
148{ 161{
162 struct bcom_bd *bd;
149 if (bcom_queue_empty(tsk)) 163 if (bcom_queue_empty(tsk))
150 return 0; 164 return 0;
151 return !(tsk->bd[tsk->outdex].status & BCOM_BD_READY); 165
166 bd = bcom_get_bd(tsk, tsk->outdex);
167 return !(bd->status & BCOM_BD_READY);
152} 168}
153 169
154/** 170/**
@@ -160,16 +176,21 @@ bcom_buffer_done(struct bcom_task *tsk)
160static inline struct bcom_bd * 176static inline struct bcom_bd *
161bcom_prepare_next_buffer(struct bcom_task *tsk) 177bcom_prepare_next_buffer(struct bcom_task *tsk)
162{ 178{
163 tsk->bd[tsk->index].status = 0; /* cleanup last status */ 179 struct bcom_bd *bd;
164 return &tsk->bd[tsk->index]; 180
181 bd = bcom_get_bd(tsk, tsk->index);
182 bd->status = 0; /* cleanup last status */
183 return bd;
165} 184}
166 185
167static inline void 186static inline void
168bcom_submit_next_buffer(struct bcom_task *tsk, void *cookie) 187bcom_submit_next_buffer(struct bcom_task *tsk, void *cookie)
169{ 188{
189 struct bcom_bd *bd = bcom_get_bd(tsk, tsk->index);
190
170 tsk->cookie[tsk->index] = cookie; 191 tsk->cookie[tsk->index] = cookie;
171 mb(); /* ensure the bd is really up-to-date */ 192 mb(); /* ensure the bd is really up-to-date */
172 tsk->bd[tsk->index].status |= BCOM_BD_READY; 193 bd->status |= BCOM_BD_READY;
173 tsk->index = _bcom_next_index(tsk); 194 tsk->index = _bcom_next_index(tsk);
174 if (tsk->flags & BCOM_FLAGS_ENABLE_TASK) 195 if (tsk->flags & BCOM_FLAGS_ENABLE_TASK)
175 bcom_enable(tsk); 196 bcom_enable(tsk);
@@ -179,10 +200,12 @@ static inline void *
179bcom_retrieve_buffer(struct bcom_task *tsk, u32 *p_status, struct bcom_bd **p_bd) 200bcom_retrieve_buffer(struct bcom_task *tsk, u32 *p_status, struct bcom_bd **p_bd)
180{ 201{
181 void *cookie = tsk->cookie[tsk->outdex]; 202 void *cookie = tsk->cookie[tsk->outdex];
203 struct bcom_bd *bd = bcom_get_bd(tsk, tsk->outdex);
204
182 if (p_status) 205 if (p_status)
183 *p_status = tsk->bd[tsk->outdex].status; 206 *p_status = bd->status;
184 if (p_bd) 207 if (p_bd)
185 *p_bd = &tsk->bd[tsk->outdex]; 208 *p_bd = bd;
186 tsk->outdex = _bcom_next_outdex(tsk); 209 tsk->outdex = _bcom_next_outdex(tsk);
187 return cookie; 210 return cookie;
188} 211}
diff --git a/arch/powerpc/sysdev/bestcomm/bestcomm_priv.h b/arch/powerpc/sysdev/bestcomm/bestcomm_priv.h
index 866a2915ef2f..eb0d1c883c31 100644
--- a/arch/powerpc/sysdev/bestcomm/bestcomm_priv.h
+++ b/arch/powerpc/sysdev/bestcomm/bestcomm_priv.h
@@ -198,8 +198,8 @@ struct bcom_task_header {
198#define BCOM_IPR_SCTMR_1 2 198#define BCOM_IPR_SCTMR_1 2
199#define BCOM_IPR_FEC_RX 6 199#define BCOM_IPR_FEC_RX 6
200#define BCOM_IPR_FEC_TX 5 200#define BCOM_IPR_FEC_TX 5
201#define BCOM_IPR_ATA_RX 4 201#define BCOM_IPR_ATA_RX 7
202#define BCOM_IPR_ATA_TX 3 202#define BCOM_IPR_ATA_TX 7
203#define BCOM_IPR_SCPCI_RX 2 203#define BCOM_IPR_SCPCI_RX 2
204#define BCOM_IPR_SCPCI_TX 2 204#define BCOM_IPR_SCPCI_TX 2
205#define BCOM_IPR_PSC3_RX 2 205#define BCOM_IPR_PSC3_RX 2
@@ -241,6 +241,22 @@ extern void bcom_set_initiator(int task, int initiator);
241 241
242#define TASK_ENABLE 0x8000 242#define TASK_ENABLE 0x8000
243 243
244/**
245 * bcom_disable_prefetch - Hook to disable bus prefetching
246 *
247 * ATA DMA and the original MPC5200 need this due to silicon bugs. At the
248 * moment disabling prefetch is a one-way street. There is no mechanism
249 * in place to turn prefetch back on after it has been disabled. There is
250 * no reason it couldn't be done, it would just be more complex to implement.
251 */
252static inline void bcom_disable_prefetch(void)
253{
254 u16 regval;
255
256 regval = in_be16(&bcom_eng->regs->PtdCntrl);
257 out_be16(&bcom_eng->regs->PtdCntrl, regval | 1);
258};
259
244static inline void 260static inline void
245bcom_enable_task(int task) 261bcom_enable_task(int task)
246{ 262{
diff --git a/arch/powerpc/sysdev/dcr-low.S b/arch/powerpc/sysdev/dcr-low.S
index 2078f39e2f17..d3098ef1404a 100644
--- a/arch/powerpc/sysdev/dcr-low.S
+++ b/arch/powerpc/sysdev/dcr-low.S
@@ -11,14 +11,20 @@
11 11
12#include <asm/ppc_asm.h> 12#include <asm/ppc_asm.h>
13#include <asm/processor.h> 13#include <asm/processor.h>
14#include <asm/bug.h>
14 15
15#define DCR_ACCESS_PROLOG(table) \ 16#define DCR_ACCESS_PROLOG(table) \
17 cmpli cr0,r3,1024; \
16 rlwinm r3,r3,4,18,27; \ 18 rlwinm r3,r3,4,18,27; \
17 lis r5,table@h; \ 19 lis r5,table@h; \
18 ori r5,r5,table@l; \ 20 ori r5,r5,table@l; \
19 add r3,r3,r5; \ 21 add r3,r3,r5; \
22 bge- 1f; \
20 mtctr r3; \ 23 mtctr r3; \
21 bctr 24 bctr; \
251: trap; \
26 EMIT_BUG_ENTRY 1b,__FILE__,__LINE__,0; \
27 blr
22 28
23_GLOBAL(__mfdcr) 29_GLOBAL(__mfdcr)
24 DCR_ACCESS_PROLOG(__mfdcr_table) 30 DCR_ACCESS_PROLOG(__mfdcr_table)
diff --git a/arch/powerpc/sysdev/dcr.c b/arch/powerpc/sysdev/dcr.c
index a8ba9983dd5a..bb44aa9fd470 100644
--- a/arch/powerpc/sysdev/dcr.c
+++ b/arch/powerpc/sysdev/dcr.c
@@ -124,7 +124,8 @@ EXPORT_SYMBOL_GPL(dcr_write_generic);
124 124
125#endif /* defined(CONFIG_PPC_DCR_NATIVE) && defined(CONFIG_PPC_DCR_MMIO) */ 125#endif /* defined(CONFIG_PPC_DCR_NATIVE) && defined(CONFIG_PPC_DCR_MMIO) */
126 126
127unsigned int dcr_resource_start(struct device_node *np, unsigned int index) 127unsigned int dcr_resource_start(const struct device_node *np,
128 unsigned int index)
128{ 129{
129 unsigned int ds; 130 unsigned int ds;
130 const u32 *dr = of_get_property(np, "dcr-reg", &ds); 131 const u32 *dr = of_get_property(np, "dcr-reg", &ds);
@@ -136,7 +137,7 @@ unsigned int dcr_resource_start(struct device_node *np, unsigned int index)
136} 137}
137EXPORT_SYMBOL_GPL(dcr_resource_start); 138EXPORT_SYMBOL_GPL(dcr_resource_start);
138 139
139unsigned int dcr_resource_len(struct device_node *np, unsigned int index) 140unsigned int dcr_resource_len(const struct device_node *np, unsigned int index)
140{ 141{
141 unsigned int ds; 142 unsigned int ds;
142 const u32 *dr = of_get_property(np, "dcr-reg", &ds); 143 const u32 *dr = of_get_property(np, "dcr-reg", &ds);
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index 5b264eb4b1f7..d5f9ae0f1b75 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -187,7 +187,7 @@ int __init fsl_add_bridge(struct device_node *dev, int is_primary)
187 printk(KERN_WARNING "Can't get bus-range for %s, assume" 187 printk(KERN_WARNING "Can't get bus-range for %s, assume"
188 " bus 0\n", dev->full_name); 188 " bus 0\n", dev->full_name);
189 189
190 ppc_pci_flags |= PPC_PCI_REASSIGN_ALL_BUS; 190 ppc_pci_add_flags(PPC_PCI_REASSIGN_ALL_BUS);
191 hose = pcibios_alloc_controller(dev); 191 hose = pcibios_alloc_controller(dev);
192 if (!hose) 192 if (!hose)
193 return -ENOMEM; 193 return -ENOMEM;
@@ -300,7 +300,7 @@ int __init mpc83xx_add_bridge(struct device_node *dev)
300 " bus 0\n", dev->full_name); 300 " bus 0\n", dev->full_name);
301 } 301 }
302 302
303 ppc_pci_flags |= PPC_PCI_REASSIGN_ALL_BUS; 303 ppc_pci_add_flags(PPC_PCI_REASSIGN_ALL_BUS);
304 hose = pcibios_alloc_controller(dev); 304 hose = pcibios_alloc_controller(dev);
305 if (!hose) 305 if (!hose)
306 return -ENOMEM; 306 return -ENOMEM;
diff --git a/arch/powerpc/sysdev/grackle.c b/arch/powerpc/sysdev/grackle.c
index d502927644c6..5da37c2f22ee 100644
--- a/arch/powerpc/sysdev/grackle.c
+++ b/arch/powerpc/sysdev/grackle.c
@@ -57,7 +57,7 @@ void __init setup_grackle(struct pci_controller *hose)
57{ 57{
58 setup_indirect_pci(hose, 0xfec00000, 0xfee00000, 0); 58 setup_indirect_pci(hose, 0xfec00000, 0xfee00000, 0);
59 if (machine_is_compatible("PowerMac1,1")) 59 if (machine_is_compatible("PowerMac1,1"))
60 ppc_pci_flags |= PPC_PCI_REASSIGN_ALL_BUS; 60 ppc_pci_add_flags(PPC_PCI_REASSIGN_ALL_BUS);
61 if (machine_is_compatible("AAPL,PowerBook1998")) 61 if (machine_is_compatible("AAPL,PowerBook1998"))
62 grackle_set_loop_snoop(hose, 1); 62 grackle_set_loop_snoop(hose, 1);
63#if 0 /* Disabled for now, HW problems ??? */ 63#if 0 /* Disabled for now, HW problems ??? */
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 1890fb085cde..c82babb70074 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -661,17 +661,6 @@ static inline void mpic_eoi(struct mpic *mpic)
661 (void)mpic_cpu_read(MPIC_INFO(CPU_WHOAMI)); 661 (void)mpic_cpu_read(MPIC_INFO(CPU_WHOAMI));
662} 662}
663 663
664#ifdef CONFIG_SMP
665static irqreturn_t mpic_ipi_action(int irq, void *data)
666{
667 long ipi = (long)data;
668
669 smp_message_recv(ipi);
670
671 return IRQ_HANDLED;
672}
673#endif /* CONFIG_SMP */
674
675/* 664/*
676 * Linux descriptor level callbacks 665 * Linux descriptor level callbacks
677 */ 666 */
@@ -1548,13 +1537,7 @@ unsigned int mpic_get_mcirq(void)
1548void mpic_request_ipis(void) 1537void mpic_request_ipis(void)
1549{ 1538{
1550 struct mpic *mpic = mpic_primary; 1539 struct mpic *mpic = mpic_primary;
1551 long i, err; 1540 int i;
1552 static char *ipi_names[] = {
1553 "IPI0 (call function)",
1554 "IPI1 (reschedule)",
1555 "IPI2 (call function single)",
1556 "IPI3 (debugger break)",
1557 };
1558 BUG_ON(mpic == NULL); 1541 BUG_ON(mpic == NULL);
1559 1542
1560 printk(KERN_INFO "mpic: requesting IPIs ... \n"); 1543 printk(KERN_INFO "mpic: requesting IPIs ... \n");
@@ -1563,17 +1546,10 @@ void mpic_request_ipis(void)
1563 unsigned int vipi = irq_create_mapping(mpic->irqhost, 1546 unsigned int vipi = irq_create_mapping(mpic->irqhost,
1564 mpic->ipi_vecs[0] + i); 1547 mpic->ipi_vecs[0] + i);
1565 if (vipi == NO_IRQ) { 1548 if (vipi == NO_IRQ) {
1566 printk(KERN_ERR "Failed to map IPI %ld\n", i); 1549 printk(KERN_ERR "Failed to map %s\n", smp_ipi_name[i]);
1567 break; 1550 continue;
1568 }
1569 err = request_irq(vipi, mpic_ipi_action,
1570 IRQF_DISABLED|IRQF_PERCPU,
1571 ipi_names[i], (void *)i);
1572 if (err) {
1573 printk(KERN_ERR "Request of irq %d for IPI %ld failed\n",
1574 vipi, i);
1575 break;
1576 } 1551 }
1552 smp_request_message_ipi(vipi, i);
1577 } 1553 }
1578} 1554}
1579 1555
diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c
index d3e4d61030b5..77fae5f64f2e 100644
--- a/arch/powerpc/sysdev/ppc4xx_pci.c
+++ b/arch/powerpc/sysdev/ppc4xx_pci.c
@@ -194,11 +194,41 @@ static int __init ppc4xx_parse_dma_ranges(struct pci_controller *hose,
194 * 4xx PCI 2.x part 194 * 4xx PCI 2.x part
195 */ 195 */
196 196
197static int __init ppc4xx_setup_one_pci_PMM(struct pci_controller *hose,
198 void __iomem *reg,
199 u64 plb_addr,
200 u64 pci_addr,
201 u64 size,
202 unsigned int flags,
203 int index)
204{
205 u32 ma, pcila, pciha;
206
207 if ((plb_addr + size) > 0xffffffffull || !is_power_of_2(size) ||
208 size < 0x1000 || (plb_addr & (size - 1)) != 0) {
209 printk(KERN_WARNING "%s: Resource out of range\n",
210 hose->dn->full_name);
211 return -1;
212 }
213 ma = (0xffffffffu << ilog2(size)) | 1;
214 if (flags & IORESOURCE_PREFETCH)
215 ma |= 2;
216
217 pciha = RES_TO_U32_HIGH(pci_addr);
218 pcila = RES_TO_U32_LOW(pci_addr);
219
220 writel(plb_addr, reg + PCIL0_PMM0LA + (0x10 * index));
221 writel(pcila, reg + PCIL0_PMM0PCILA + (0x10 * index));
222 writel(pciha, reg + PCIL0_PMM0PCIHA + (0x10 * index));
223 writel(ma, reg + PCIL0_PMM0MA + (0x10 * index));
224
225 return 0;
226}
227
197static void __init ppc4xx_configure_pci_PMMs(struct pci_controller *hose, 228static void __init ppc4xx_configure_pci_PMMs(struct pci_controller *hose,
198 void __iomem *reg) 229 void __iomem *reg)
199{ 230{
200 u32 la, ma, pcila, pciha; 231 int i, j, found_isa_hole = 0;
201 int i, j;
202 232
203 /* Setup outbound memory windows */ 233 /* Setup outbound memory windows */
204 for (i = j = 0; i < 3; i++) { 234 for (i = j = 0; i < 3; i++) {
@@ -213,28 +243,29 @@ static void __init ppc4xx_configure_pci_PMMs(struct pci_controller *hose,
213 break; 243 break;
214 } 244 }
215 245
216 /* Calculate register values */ 246 /* Configure the resource */
217 la = res->start; 247 if (ppc4xx_setup_one_pci_PMM(hose, reg,
218 pciha = RES_TO_U32_HIGH(res->start - hose->pci_mem_offset); 248 res->start,
219 pcila = RES_TO_U32_LOW(res->start - hose->pci_mem_offset); 249 res->start - hose->pci_mem_offset,
220 250 res->end + 1 - res->start,
221 ma = res->end + 1 - res->start; 251 res->flags,
222 if (!is_power_of_2(ma) || ma < 0x1000 || ma > 0xffffffffu) { 252 j) == 0) {
223 printk(KERN_WARNING "%s: Resource out of range\n", 253 j++;
224 hose->dn->full_name); 254
225 continue; 255 /* If the resource PCI address is 0 then we have our
256 * ISA memory hole
257 */
258 if (res->start == hose->pci_mem_offset)
259 found_isa_hole = 1;
226 } 260 }
227 ma = (0xffffffffu << ilog2(ma)) | 0x1;
228 if (res->flags & IORESOURCE_PREFETCH)
229 ma |= 0x2;
230
231 /* Program register values */
232 writel(la, reg + PCIL0_PMM0LA + (0x10 * j));
233 writel(pcila, reg + PCIL0_PMM0PCILA + (0x10 * j));
234 writel(pciha, reg + PCIL0_PMM0PCIHA + (0x10 * j));
235 writel(ma, reg + PCIL0_PMM0MA + (0x10 * j));
236 j++;
237 } 261 }
262
263 /* Handle ISA memory hole if not already covered */
264 if (j <= 2 && !found_isa_hole && hose->isa_mem_size)
265 if (ppc4xx_setup_one_pci_PMM(hose, reg, hose->isa_mem_phys, 0,
266 hose->isa_mem_size, 0, j) == 0)
267 printk(KERN_INFO "%s: Legacy ISA memory support enabled\n",
268 hose->dn->full_name);
238} 269}
239 270
240static void __init ppc4xx_configure_pci_PTMs(struct pci_controller *hose, 271static void __init ppc4xx_configure_pci_PTMs(struct pci_controller *hose,
@@ -352,11 +383,52 @@ static void __init ppc4xx_probe_pci_bridge(struct device_node *np)
352 * 4xx PCI-X part 383 * 4xx PCI-X part
353 */ 384 */
354 385
386static int __init ppc4xx_setup_one_pcix_POM(struct pci_controller *hose,
387 void __iomem *reg,
388 u64 plb_addr,
389 u64 pci_addr,
390 u64 size,
391 unsigned int flags,
392 int index)
393{
394 u32 lah, lal, pciah, pcial, sa;
395
396 if (!is_power_of_2(size) || size < 0x1000 ||
397 (plb_addr & (size - 1)) != 0) {
398 printk(KERN_WARNING "%s: Resource out of range\n",
399 hose->dn->full_name);
400 return -1;
401 }
402
403 /* Calculate register values */
404 lah = RES_TO_U32_HIGH(plb_addr);
405 lal = RES_TO_U32_LOW(plb_addr);
406 pciah = RES_TO_U32_HIGH(pci_addr);
407 pcial = RES_TO_U32_LOW(pci_addr);
408 sa = (0xffffffffu << ilog2(size)) | 0x1;
409
410 /* Program register values */
411 if (index == 0) {
412 writel(lah, reg + PCIX0_POM0LAH);
413 writel(lal, reg + PCIX0_POM0LAL);
414 writel(pciah, reg + PCIX0_POM0PCIAH);
415 writel(pcial, reg + PCIX0_POM0PCIAL);
416 writel(sa, reg + PCIX0_POM0SA);
417 } else {
418 writel(lah, reg + PCIX0_POM1LAH);
419 writel(lal, reg + PCIX0_POM1LAL);
420 writel(pciah, reg + PCIX0_POM1PCIAH);
421 writel(pcial, reg + PCIX0_POM1PCIAL);
422 writel(sa, reg + PCIX0_POM1SA);
423 }
424
425 return 0;
426}
427
355static void __init ppc4xx_configure_pcix_POMs(struct pci_controller *hose, 428static void __init ppc4xx_configure_pcix_POMs(struct pci_controller *hose,
356 void __iomem *reg) 429 void __iomem *reg)
357{ 430{
358 u32 lah, lal, pciah, pcial, sa; 431 int i, j, found_isa_hole = 0;
359 int i, j;
360 432
361 /* Setup outbound memory windows */ 433 /* Setup outbound memory windows */
362 for (i = j = 0; i < 3; i++) { 434 for (i = j = 0; i < 3; i++) {
@@ -371,36 +443,29 @@ static void __init ppc4xx_configure_pcix_POMs(struct pci_controller *hose,
371 break; 443 break;
372 } 444 }
373 445
374 /* Calculate register values */ 446 /* Configure the resource */
375 lah = RES_TO_U32_HIGH(res->start); 447 if (ppc4xx_setup_one_pcix_POM(hose, reg,
376 lal = RES_TO_U32_LOW(res->start); 448 res->start,
377 pciah = RES_TO_U32_HIGH(res->start - hose->pci_mem_offset); 449 res->start - hose->pci_mem_offset,
378 pcial = RES_TO_U32_LOW(res->start - hose->pci_mem_offset); 450 res->end + 1 - res->start,
379 sa = res->end + 1 - res->start; 451 res->flags,
380 if (!is_power_of_2(sa) || sa < 0x100000 || 452 j) == 0) {
381 sa > 0xffffffffu) { 453 j++;
382 printk(KERN_WARNING "%s: Resource out of range\n", 454
383 hose->dn->full_name); 455 /* If the resource PCI address is 0 then we have our
384 continue; 456 * ISA memory hole
457 */
458 if (res->start == hose->pci_mem_offset)
459 found_isa_hole = 1;
385 } 460 }
386 sa = (0xffffffffu << ilog2(sa)) | 0x1;
387
388 /* Program register values */
389 if (j == 0) {
390 writel(lah, reg + PCIX0_POM0LAH);
391 writel(lal, reg + PCIX0_POM0LAL);
392 writel(pciah, reg + PCIX0_POM0PCIAH);
393 writel(pcial, reg + PCIX0_POM0PCIAL);
394 writel(sa, reg + PCIX0_POM0SA);
395 } else {
396 writel(lah, reg + PCIX0_POM1LAH);
397 writel(lal, reg + PCIX0_POM1LAL);
398 writel(pciah, reg + PCIX0_POM1PCIAH);
399 writel(pcial, reg + PCIX0_POM1PCIAL);
400 writel(sa, reg + PCIX0_POM1SA);
401 }
402 j++;
403 } 461 }
462
463 /* Handle ISA memory hole if not already covered */
464 if (j <= 1 && !found_isa_hole && hose->isa_mem_size)
465 if (ppc4xx_setup_one_pcix_POM(hose, reg, hose->isa_mem_phys, 0,
466 hose->isa_mem_size, 0, j) == 0)
467 printk(KERN_INFO "%s: Legacy ISA memory support enabled\n",
468 hose->dn->full_name);
404} 469}
405 470
406static void __init ppc4xx_configure_pcix_PIMs(struct pci_controller *hose, 471static void __init ppc4xx_configure_pcix_PIMs(struct pci_controller *hose,
@@ -1317,12 +1382,72 @@ static struct pci_ops ppc4xx_pciex_pci_ops =
1317 .write = ppc4xx_pciex_write_config, 1382 .write = ppc4xx_pciex_write_config,
1318}; 1383};
1319 1384
1385static int __init ppc4xx_setup_one_pciex_POM(struct ppc4xx_pciex_port *port,
1386 struct pci_controller *hose,
1387 void __iomem *mbase,
1388 u64 plb_addr,
1389 u64 pci_addr,
1390 u64 size,
1391 unsigned int flags,
1392 int index)
1393{
1394 u32 lah, lal, pciah, pcial, sa;
1395
1396 if (!is_power_of_2(size) ||
1397 (index < 2 && size < 0x100000) ||
1398 (index == 2 && size < 0x100) ||
1399 (plb_addr & (size - 1)) != 0) {
1400 printk(KERN_WARNING "%s: Resource out of range\n",
1401 hose->dn->full_name);
1402 return -1;
1403 }
1404
1405 /* Calculate register values */
1406 lah = RES_TO_U32_HIGH(plb_addr);
1407 lal = RES_TO_U32_LOW(plb_addr);
1408 pciah = RES_TO_U32_HIGH(pci_addr);
1409 pcial = RES_TO_U32_LOW(pci_addr);
1410 sa = (0xffffffffu << ilog2(size)) | 0x1;
1411
1412 /* Program register values */
1413 switch (index) {
1414 case 0:
1415 out_le32(mbase + PECFG_POM0LAH, pciah);
1416 out_le32(mbase + PECFG_POM0LAL, pcial);
1417 dcr_write(port->dcrs, DCRO_PEGPL_OMR1BAH, lah);
1418 dcr_write(port->dcrs, DCRO_PEGPL_OMR1BAL, lal);
1419 dcr_write(port->dcrs, DCRO_PEGPL_OMR1MSKH, 0x7fffffff);
1420 /* Note that 3 here means enabled | single region */
1421 dcr_write(port->dcrs, DCRO_PEGPL_OMR1MSKL, sa | 3);
1422 break;
1423 case 1:
1424 out_le32(mbase + PECFG_POM1LAH, pciah);
1425 out_le32(mbase + PECFG_POM1LAL, pcial);
1426 dcr_write(port->dcrs, DCRO_PEGPL_OMR2BAH, lah);
1427 dcr_write(port->dcrs, DCRO_PEGPL_OMR2BAL, lal);
1428 dcr_write(port->dcrs, DCRO_PEGPL_OMR2MSKH, 0x7fffffff);
1429 /* Note that 3 here means enabled | single region */
1430 dcr_write(port->dcrs, DCRO_PEGPL_OMR2MSKL, sa | 3);
1431 break;
1432 case 2:
1433 out_le32(mbase + PECFG_POM2LAH, pciah);
1434 out_le32(mbase + PECFG_POM2LAL, pcial);
1435 dcr_write(port->dcrs, DCRO_PEGPL_OMR3BAH, lah);
1436 dcr_write(port->dcrs, DCRO_PEGPL_OMR3BAL, lal);
1437 dcr_write(port->dcrs, DCRO_PEGPL_OMR3MSKH, 0x7fffffff);
1438 /* Note that 3 here means enabled | IO space !!! */
1439 dcr_write(port->dcrs, DCRO_PEGPL_OMR3MSKL, sa | 3);
1440 break;
1441 }
1442
1443 return 0;
1444}
1445
1320static void __init ppc4xx_configure_pciex_POMs(struct ppc4xx_pciex_port *port, 1446static void __init ppc4xx_configure_pciex_POMs(struct ppc4xx_pciex_port *port,
1321 struct pci_controller *hose, 1447 struct pci_controller *hose,
1322 void __iomem *mbase) 1448 void __iomem *mbase)
1323{ 1449{
1324 u32 lah, lal, pciah, pcial, sa; 1450 int i, j, found_isa_hole = 0;
1325 int i, j;
1326 1451
1327 /* Setup outbound memory windows */ 1452 /* Setup outbound memory windows */
1328 for (i = j = 0; i < 3; i++) { 1453 for (i = j = 0; i < 3; i++) {
@@ -1337,53 +1462,38 @@ static void __init ppc4xx_configure_pciex_POMs(struct ppc4xx_pciex_port *port,
1337 break; 1462 break;
1338 } 1463 }
1339 1464
1340 /* Calculate register values */ 1465 /* Configure the resource */
1341 lah = RES_TO_U32_HIGH(res->start); 1466 if (ppc4xx_setup_one_pciex_POM(port, hose, mbase,
1342 lal = RES_TO_U32_LOW(res->start); 1467 res->start,
1343 pciah = RES_TO_U32_HIGH(res->start - hose->pci_mem_offset); 1468 res->start - hose->pci_mem_offset,
1344 pcial = RES_TO_U32_LOW(res->start - hose->pci_mem_offset); 1469 res->end + 1 - res->start,
1345 sa = res->end + 1 - res->start; 1470 res->flags,
1346 if (!is_power_of_2(sa) || sa < 0x100000 || 1471 j) == 0) {
1347 sa > 0xffffffffu) { 1472 j++;
1348 printk(KERN_WARNING "%s: Resource out of range\n", 1473
1349 port->node->full_name); 1474 /* If the resource PCI address is 0 then we have our
1350 continue; 1475 * ISA memory hole
1351 } 1476 */
1352 sa = (0xffffffffu << ilog2(sa)) | 0x1; 1477 if (res->start == hose->pci_mem_offset)
1353 1478 found_isa_hole = 1;
1354 /* Program register values */
1355 switch (j) {
1356 case 0:
1357 out_le32(mbase + PECFG_POM0LAH, pciah);
1358 out_le32(mbase + PECFG_POM0LAL, pcial);
1359 dcr_write(port->dcrs, DCRO_PEGPL_OMR1BAH, lah);
1360 dcr_write(port->dcrs, DCRO_PEGPL_OMR1BAL, lal);
1361 dcr_write(port->dcrs, DCRO_PEGPL_OMR1MSKH, 0x7fffffff);
1362 dcr_write(port->dcrs, DCRO_PEGPL_OMR1MSKL, sa | 3);
1363 break;
1364 case 1:
1365 out_le32(mbase + PECFG_POM1LAH, pciah);
1366 out_le32(mbase + PECFG_POM1LAL, pcial);
1367 dcr_write(port->dcrs, DCRO_PEGPL_OMR2BAH, lah);
1368 dcr_write(port->dcrs, DCRO_PEGPL_OMR2BAL, lal);
1369 dcr_write(port->dcrs, DCRO_PEGPL_OMR2MSKH, 0x7fffffff);
1370 dcr_write(port->dcrs, DCRO_PEGPL_OMR2MSKL, sa | 3);
1371 break;
1372 } 1479 }
1373 j++;
1374 } 1480 }
1375 1481
1376 /* Configure IO, always 64K starting at 0 */ 1482 /* Handle ISA memory hole if not already covered */
1377 if (hose->io_resource.flags & IORESOURCE_IO) { 1483 if (j <= 1 && !found_isa_hole && hose->isa_mem_size)
1378 lah = RES_TO_U32_HIGH(hose->io_base_phys); 1484 if (ppc4xx_setup_one_pciex_POM(port, hose, mbase,
1379 lal = RES_TO_U32_LOW(hose->io_base_phys); 1485 hose->isa_mem_phys, 0,
1380 out_le32(mbase + PECFG_POM2LAH, 0); 1486 hose->isa_mem_size, 0, j) == 0)
1381 out_le32(mbase + PECFG_POM2LAL, 0); 1487 printk(KERN_INFO "%s: Legacy ISA memory support enabled\n",
1382 dcr_write(port->dcrs, DCRO_PEGPL_OMR3BAH, lah); 1488 hose->dn->full_name);
1383 dcr_write(port->dcrs, DCRO_PEGPL_OMR3BAL, lal); 1489
1384 dcr_write(port->dcrs, DCRO_PEGPL_OMR3MSKH, 0x7fffffff); 1490 /* Configure IO, always 64K starting at 0. We hard wire it to 64K !
1385 dcr_write(port->dcrs, DCRO_PEGPL_OMR3MSKL, 0xffff0000 | 3); 1491 * Note also that it -has- to be region index 2 on this HW
1386 } 1492 */
1493 if (hose->io_resource.flags & IORESOURCE_IO)
1494 ppc4xx_setup_one_pciex_POM(port, hose, mbase,
1495 hose->io_base_phys, 0,
1496 0x10000, IORESOURCE_IO, 2);
1387} 1497}
1388 1498
1389static void __init ppc4xx_configure_pciex_PIMs(struct ppc4xx_pciex_port *port, 1499static void __init ppc4xx_configure_pciex_PIMs(struct ppc4xx_pciex_port *port,
diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c
index b3b73ae57d6d..01bce3784b0a 100644
--- a/arch/powerpc/sysdev/qe_lib/qe.c
+++ b/arch/powerpc/sysdev/qe_lib/qe.c
@@ -19,6 +19,7 @@
19#include <linux/kernel.h> 19#include <linux/kernel.h>
20#include <linux/param.h> 20#include <linux/param.h>
21#include <linux/string.h> 21#include <linux/string.h>
22#include <linux/spinlock.h>
22#include <linux/mm.h> 23#include <linux/mm.h>
23#include <linux/interrupt.h> 24#include <linux/interrupt.h>
24#include <linux/bootmem.h> 25#include <linux/bootmem.h>
@@ -38,6 +39,8 @@ static void qe_snums_init(void);
38static int qe_sdma_init(void); 39static int qe_sdma_init(void);
39 40
40static DEFINE_SPINLOCK(qe_lock); 41static DEFINE_SPINLOCK(qe_lock);
42DEFINE_SPINLOCK(cmxgcr_lock);
43EXPORT_SYMBOL(cmxgcr_lock);
41 44
42/* QE snum state */ 45/* QE snum state */
43enum qe_snum_state { 46enum qe_snum_state {
diff --git a/arch/powerpc/sysdev/qe_lib/ucc.c b/arch/powerpc/sysdev/qe_lib/ucc.c
index 1d78071aad7d..ebb442ea1917 100644
--- a/arch/powerpc/sysdev/qe_lib/ucc.c
+++ b/arch/powerpc/sysdev/qe_lib/ucc.c
@@ -18,6 +18,7 @@
18#include <linux/errno.h> 18#include <linux/errno.h>
19#include <linux/slab.h> 19#include <linux/slab.h>
20#include <linux/stddef.h> 20#include <linux/stddef.h>
21#include <linux/spinlock.h>
21#include <linux/module.h> 22#include <linux/module.h>
22 23
23#include <asm/irq.h> 24#include <asm/irq.h>
@@ -26,9 +27,6 @@
26#include <asm/qe.h> 27#include <asm/qe.h>
27#include <asm/ucc.h> 28#include <asm/ucc.h>
28 29
29DEFINE_SPINLOCK(cmxgcr_lock);
30EXPORT_SYMBOL(cmxgcr_lock);
31
32int ucc_set_qe_mux_mii_mng(unsigned int ucc_num) 30int ucc_set_qe_mux_mii_mng(unsigned int ucc_num)
33{ 31{
34 unsigned long flags; 32 unsigned long flags;
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-10 07:59:21 -0500