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authorIngo Molnar <mingo@elte.hu>2008-10-12 09:05:39 -0400
committerIngo Molnar <mingo@elte.hu>2008-10-12 09:05:39 -0400
commita9b9e81c915e4a57ac3b21d1a7fa7ff184639780 (patch)
tree98304395fbb5b9c74fca35b196cd414c1949f280 /arch/arm/mach-ixp2000/core.c
parenta8b71a2810386a5ac8f43d2095fe3355f0d8db37 (diff)
parentfd048088306656824958e7783ffcee27e241b361 (diff)
Merge branch 'linus' into x86/memory-corruption-check
Diffstat (limited to 'arch/arm/mach-ixp2000/core.c')
-rw-r--r--arch/arm/mach-ixp2000/core.c33
1 files changed, 12 insertions, 21 deletions
diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c
index a6a4f93085fd..babb22597163 100644
--- a/arch/arm/mach-ixp2000/core.c
+++ b/arch/arm/mach-ixp2000/core.c
@@ -84,64 +84,57 @@ static struct map_desc ixp2000_io_desc[] __initdata = {
84 .virtual = IXP2000_CAP_VIRT_BASE, 84 .virtual = IXP2000_CAP_VIRT_BASE,
85 .pfn = __phys_to_pfn(IXP2000_CAP_PHYS_BASE), 85 .pfn = __phys_to_pfn(IXP2000_CAP_PHYS_BASE),
86 .length = IXP2000_CAP_SIZE, 86 .length = IXP2000_CAP_SIZE,
87 .type = MT_DEVICE_IXP2000, 87 .type = MT_DEVICE,
88 }, { 88 }, {
89 .virtual = IXP2000_INTCTL_VIRT_BASE, 89 .virtual = IXP2000_INTCTL_VIRT_BASE,
90 .pfn = __phys_to_pfn(IXP2000_INTCTL_PHYS_BASE), 90 .pfn = __phys_to_pfn(IXP2000_INTCTL_PHYS_BASE),
91 .length = IXP2000_INTCTL_SIZE, 91 .length = IXP2000_INTCTL_SIZE,
92 .type = MT_DEVICE_IXP2000, 92 .type = MT_DEVICE,
93 }, { 93 }, {
94 .virtual = IXP2000_PCI_CREG_VIRT_BASE, 94 .virtual = IXP2000_PCI_CREG_VIRT_BASE,
95 .pfn = __phys_to_pfn(IXP2000_PCI_CREG_PHYS_BASE), 95 .pfn = __phys_to_pfn(IXP2000_PCI_CREG_PHYS_BASE),
96 .length = IXP2000_PCI_CREG_SIZE, 96 .length = IXP2000_PCI_CREG_SIZE,
97 .type = MT_DEVICE_IXP2000, 97 .type = MT_DEVICE,
98 }, { 98 }, {
99 .virtual = IXP2000_PCI_CSR_VIRT_BASE, 99 .virtual = IXP2000_PCI_CSR_VIRT_BASE,
100 .pfn = __phys_to_pfn(IXP2000_PCI_CSR_PHYS_BASE), 100 .pfn = __phys_to_pfn(IXP2000_PCI_CSR_PHYS_BASE),
101 .length = IXP2000_PCI_CSR_SIZE, 101 .length = IXP2000_PCI_CSR_SIZE,
102 .type = MT_DEVICE_IXP2000, 102 .type = MT_DEVICE,
103 }, { 103 }, {
104 .virtual = IXP2000_MSF_VIRT_BASE, 104 .virtual = IXP2000_MSF_VIRT_BASE,
105 .pfn = __phys_to_pfn(IXP2000_MSF_PHYS_BASE), 105 .pfn = __phys_to_pfn(IXP2000_MSF_PHYS_BASE),
106 .length = IXP2000_MSF_SIZE, 106 .length = IXP2000_MSF_SIZE,
107 .type = MT_DEVICE_IXP2000, 107 .type = MT_DEVICE,
108 }, { 108 }, {
109 .virtual = IXP2000_SCRATCH_RING_VIRT_BASE, 109 .virtual = IXP2000_SCRATCH_RING_VIRT_BASE,
110 .pfn = __phys_to_pfn(IXP2000_SCRATCH_RING_PHYS_BASE), 110 .pfn = __phys_to_pfn(IXP2000_SCRATCH_RING_PHYS_BASE),
111 .length = IXP2000_SCRATCH_RING_SIZE, 111 .length = IXP2000_SCRATCH_RING_SIZE,
112 .type = MT_DEVICE_IXP2000, 112 .type = MT_DEVICE,
113 }, { 113 }, {
114 .virtual = IXP2000_SRAM0_VIRT_BASE, 114 .virtual = IXP2000_SRAM0_VIRT_BASE,
115 .pfn = __phys_to_pfn(IXP2000_SRAM0_PHYS_BASE), 115 .pfn = __phys_to_pfn(IXP2000_SRAM0_PHYS_BASE),
116 .length = IXP2000_SRAM0_SIZE, 116 .length = IXP2000_SRAM0_SIZE,
117 .type = MT_DEVICE_IXP2000, 117 .type = MT_DEVICE,
118 }, { 118 }, {
119 .virtual = IXP2000_PCI_IO_VIRT_BASE, 119 .virtual = IXP2000_PCI_IO_VIRT_BASE,
120 .pfn = __phys_to_pfn(IXP2000_PCI_IO_PHYS_BASE), 120 .pfn = __phys_to_pfn(IXP2000_PCI_IO_PHYS_BASE),
121 .length = IXP2000_PCI_IO_SIZE, 121 .length = IXP2000_PCI_IO_SIZE,
122 .type = MT_DEVICE_IXP2000, 122 .type = MT_DEVICE,
123 }, { 123 }, {
124 .virtual = IXP2000_PCI_CFG0_VIRT_BASE, 124 .virtual = IXP2000_PCI_CFG0_VIRT_BASE,
125 .pfn = __phys_to_pfn(IXP2000_PCI_CFG0_PHYS_BASE), 125 .pfn = __phys_to_pfn(IXP2000_PCI_CFG0_PHYS_BASE),
126 .length = IXP2000_PCI_CFG0_SIZE, 126 .length = IXP2000_PCI_CFG0_SIZE,
127 .type = MT_DEVICE_IXP2000, 127 .type = MT_DEVICE,
128 }, { 128 }, {
129 .virtual = IXP2000_PCI_CFG1_VIRT_BASE, 129 .virtual = IXP2000_PCI_CFG1_VIRT_BASE,
130 .pfn = __phys_to_pfn(IXP2000_PCI_CFG1_PHYS_BASE), 130 .pfn = __phys_to_pfn(IXP2000_PCI_CFG1_PHYS_BASE),
131 .length = IXP2000_PCI_CFG1_SIZE, 131 .length = IXP2000_PCI_CFG1_SIZE,
132 .type = MT_DEVICE_IXP2000, 132 .type = MT_DEVICE,
133 } 133 }
134}; 134};
135 135
136void __init ixp2000_map_io(void) 136void __init ixp2000_map_io(void)
137{ 137{
138 /*
139 * On IXP2400 CPUs we need to use MT_DEVICE_IXP2000 so that
140 * XCB=101 (to avoid triggering erratum #66), and given that
141 * this mode speeds up I/O accesses and we have write buffer
142 * flushes in the right places anyway, it doesn't hurt to use
143 * XCB=101 for all IXP2000s.
144 */
145 iotable_init(ixp2000_io_desc, ARRAY_SIZE(ixp2000_io_desc)); 138 iotable_init(ixp2000_io_desc, ARRAY_SIZE(ixp2000_io_desc));
146 139
147 /* Set slowport to 8-bit mode. */ 140 /* Set slowport to 8-bit mode. */
@@ -311,8 +304,7 @@ static void ixp2000_GPIO_irq_handler(unsigned int irq, struct irq_desc *desc)
311 304
312 for (i = 0; i <= 7; i++) { 305 for (i = 0; i <= 7; i++) {
313 if (status & (1<<i)) { 306 if (status & (1<<i)) {
314 desc = irq_desc + i + IRQ_IXP2000_GPIO0; 307 generic_handle_irq(i + IRQ_IXP2000_GPIO0);
315 desc_handle_irq(i + IRQ_IXP2000_GPIO0, desc);
316 } 308 }
317 } 309 }
318} 310}
@@ -404,8 +396,7 @@ static void ixp2000_err_irq_handler(unsigned int irq, struct irq_desc *desc)
404 396
405 for(i = 31; i >= 0; i--) { 397 for(i = 31; i >= 0; i--) {
406 if(status & (1 << i)) { 398 if(status & (1 << i)) {
407 desc = irq_desc + IRQ_IXP2000_DRAM0_MIN_ERR + i; 399 generic_handle_irq(IRQ_IXP2000_DRAM0_MIN_ERR + i);
408 desc_handle_irq(IRQ_IXP2000_DRAM0_MIN_ERR + i, desc);
409 } 400 }
410 } 401 }
411} 402}