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-rw-r--r--arch/mips/sni/pcimt.c105
-rw-r--r--arch/mips/sni/pcit.c122
2 files changed, 32 insertions, 195 deletions
diff --git a/arch/mips/sni/pcimt.c b/arch/mips/sni/pcimt.c
index 8e8593b64f6..9ee208daa8b 100644
--- a/arch/mips/sni/pcimt.c
+++ b/arch/mips/sni/pcimt.c
@@ -91,7 +91,7 @@ static struct platform_device pcimt_serial8250_device = {
};
static struct resource sni_io_resource = {
- .start = 0x00001000UL,
+ .start = 0x00000000UL,
.end = 0x03bfffffUL,
.name = "PCIMT IO MEM",
.flags = IORESOURCE_IO,
@@ -132,107 +132,19 @@ static struct resource pcimt_io_resources[] = {
};
static struct resource sni_mem_resource = {
- .start = 0x10000000UL,
- .end = 0xffffffffUL,
+ .start = 0x18000000UL,
+ .end = 0x1fbfffffUL,
.name = "PCIMT PCI MEM",
.flags = IORESOURCE_MEM
};
-/*
- * The RM200/RM300 has a few holes in it's PCI/EISA memory address space used
- * for other purposes. Be paranoid and allocate all of the before the PCI
- * code gets a chance to to map anything else there ...
- *
- * This leaves the following areas available:
- *
- * 0x10000000 - 0x1009ffff (640kB) PCI/EISA/ISA Bus Memory
- * 0x10100000 - 0x13ffffff ( 15MB) PCI/EISA/ISA Bus Memory
- * 0x18000000 - 0x1fbfffff (124MB) PCI/EISA Bus Memory
- * 0x1ff08000 - 0x1ffeffff (816kB) PCI/EISA Bus Memory
- * 0xa0000000 - 0xffffffff (1.5GB) PCI/EISA Bus Memory
- */
-static struct resource pcimt_mem_resources[] = {
- {
- .start = 0x100a0000,
- .end = 0x100bffff,
- .name = "Video RAM area",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x100c0000,
- .end = 0x100fffff,
- .name = "ISA Reserved",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x14000000,
- .end = 0x17bfffff,
- .name = "PCI IO",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x17c00000,
- .end = 0x17ffffff,
- .name = "Cache Replacement Area",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x1a000000,
- .end = 0x1a000003,
- .name = "PCI INT Acknowledge",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x1fc00000,
- .end = 0x1fc7ffff,
- .name = "Boot PROM",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x1fc80000,
- .end = 0x1fcfffff,
- .name = "Diag PROM",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x1fd00000,
- .end = 0x1fdfffff,
- .name = "X-Bus",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x1fe00000,
- .end = 0x1fefffff,
- .name = "BIOS map",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x1ff00000,
- .end = 0x1ff7ffff,
- .name = "NVRAM / EEPROM",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x1fff0000,
- .end = 0x1fffefff,
- .name = "ASIC PCI",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x1ffff000,
- .end = 0x1fffffff,
- .name = "MP Agent",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x20000000,
- .end = 0x9fffffff,
- .name = "Main Memory",
- .flags = IORESOURCE_BUSY
- }
-};
-
static void __init sni_pcimt_resource_init(void)
{
int i;
/* request I/O space for devices used on all i[345]86 PCs */
for (i = 0; i < ARRAY_SIZE(pcimt_io_resources); i++)
- request_resource(&ioport_resource, pcimt_io_resources + i);
-
- /* request mem space for pcimt-specific devices */
- for (i = 0; i < ARRAY_SIZE(pcimt_mem_resources); i++)
- request_resource(&sni_mem_resource, pcimt_mem_resources + i);
-
- ioport_resource.end = sni_io_resource.end;
+ request_resource(&sni_io_resource, pcimt_io_resources + i);
}
extern struct pci_ops sni_pcimt_ops;
@@ -240,9 +152,10 @@ extern struct pci_ops sni_pcimt_ops;
static struct pci_controller sni_controller = {
.pci_ops = &sni_pcimt_ops,
.mem_resource = &sni_mem_resource,
- .mem_offset = 0x10000000UL,
+ .mem_offset = 0x00000000UL,
.io_resource = &sni_io_resource,
- .io_offset = 0x00000000UL
+ .io_offset = 0x00000000UL,
+ .io_map_base = SNI_PORT_BASE
};
static void enable_pcimt_irq(unsigned int irq)
@@ -363,15 +276,17 @@ void __init sni_pcimt_irq_init(void)
void sni_pcimt_init(void)
{
- sni_pcimt_resource_init();
sni_pcimt_detect();
sni_pcimt_sc_init();
rtc_mips_get_time = mc146818_get_cmos_time;
rtc_mips_set_time = mc146818_set_rtc_mmss;
board_time_init = sni_cpu_time_init;
+ ioport_resource.end = sni_io_resource.end;
#ifdef CONFIG_PCI
+ PCIBIOS_MIN_IO = 0x9000;
register_pci_controller(&sni_controller);
#endif
+ sni_pcimt_resource_init();
}
static int __init snirm_pcimt_setup_devinit(void)
diff --git a/arch/mips/sni/pcit.c b/arch/mips/sni/pcit.c
index 1dfc3f00bbd..00d151f4d12 100644
--- a/arch/mips/sni/pcit.c
+++ b/arch/mips/sni/pcit.c
@@ -43,7 +43,7 @@ static struct platform_device pcit_serial8250_device = {
};
static struct plat_serial8250_port pcit_cplus_data[] = {
- PORT(0x3f8, 4),
+ PORT(0x3f8, 0),
PORT(0x2f8, 3),
PORT(0x3e8, 4),
PORT(0x2e8, 3),
@@ -59,9 +59,9 @@ static struct platform_device pcit_cplus_serial8250_device = {
};
static struct resource sni_io_resource = {
- .start = 0x00001000UL,
+ .start = 0x00000000UL,
.end = 0x03bfffffUL,
- .name = "PCIT IO MEM",
+ .name = "PCIT IO",
.flags = IORESOURCE_IO,
};
@@ -92,6 +92,11 @@ static struct resource pcit_io_resources[] = {
.name = "dma2",
.flags = IORESOURCE_BUSY
}, {
+ .start = 0xcf8,
+ .end = 0xcfb,
+ .name = "PCI config addr",
+ .flags = IORESOURCE_BUSY
+ }, {
.start = 0xcfc,
.end = 0xcff,
.name = "PCI config data",
@@ -100,107 +105,19 @@ static struct resource pcit_io_resources[] = {
};
static struct resource sni_mem_resource = {
- .start = 0x10000000UL,
- .end = 0xffffffffUL,
+ .start = 0x18000000UL,
+ .end = 0x1fbfffffUL,
.name = "PCIT PCI MEM",
.flags = IORESOURCE_MEM
};
-/*
- * The RM200/RM300 has a few holes in it's PCI/EISA memory address space used
- * for other purposes. Be paranoid and allocate all of the before the PCI
- * code gets a chance to to map anything else there ...
- *
- * This leaves the following areas available:
- *
- * 0x10000000 - 0x1009ffff (640kB) PCI/EISA/ISA Bus Memory
- * 0x10100000 - 0x13ffffff ( 15MB) PCI/EISA/ISA Bus Memory
- * 0x18000000 - 0x1fbfffff (124MB) PCI/EISA Bus Memory
- * 0x1ff08000 - 0x1ffeffff (816kB) PCI/EISA Bus Memory
- * 0xa0000000 - 0xffffffff (1.5GB) PCI/EISA Bus Memory
- */
-static struct resource pcit_mem_resources[] = {
- {
- .start = 0x14000000,
- .end = 0x17bfffff,
- .name = "PCI IO",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x17c00000,
- .end = 0x17ffffff,
- .name = "Cache Replacement Area",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x180a0000,
- .end = 0x180bffff,
- .name = "Video RAM area",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x180c0000,
- .end = 0x180fffff,
- .name = "ISA Reserved",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x19000000,
- .end = 0x1fbfffff,
- .name = "PCI MEM",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x1fc00000,
- .end = 0x1fc7ffff,
- .name = "Boot PROM",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x1fc80000,
- .end = 0x1fcfffff,
- .name = "Diag PROM",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x1fd00000,
- .end = 0x1fdfffff,
- .name = "X-Bus",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x1fe00000,
- .end = 0x1fefffff,
- .name = "BIOS map",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x1ff00000,
- .end = 0x1ff7ffff,
- .name = "NVRAM / EEPROM",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x1fff0000,
- .end = 0x1fffefff,
- .name = "MAUI ASIC",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x1ffff000,
- .end = 0x1fffffff,
- .name = "MP Agent",
- .flags = IORESOURCE_BUSY
- }, {
- .start = 0x20000000,
- .end = 0x9fffffff,
- .name = "Main Memory",
- .flags = IORESOURCE_BUSY
- }
-};
-
static void __init sni_pcit_resource_init(void)
{
int i;
/* request I/O space for devices used on all i[345]86 PCs */
for (i = 0; i < ARRAY_SIZE(pcit_io_resources); i++)
- request_resource(&ioport_resource, pcit_io_resources + i);
-
- /* request mem space for pcimt-specific devices */
- for (i = 0; i < ARRAY_SIZE(pcit_mem_resources); i++)
- request_resource(&sni_mem_resource, pcit_mem_resources + i);
-
- ioport_resource.end = sni_io_resource.end;
+ request_resource(&sni_io_resource, pcit_io_resources + i);
}
@@ -209,9 +126,10 @@ extern struct pci_ops sni_pcit_ops;
static struct pci_controller sni_pcit_controller = {
.pci_ops = &sni_pcit_ops,
.mem_resource = &sni_mem_resource,
- .mem_offset = 0x10000000UL,
+ .mem_offset = 0x00000000UL,
.io_resource = &sni_io_resource,
- .io_offset = 0x00000000UL
+ .io_offset = 0x00000000UL,
+ .io_map_base = SNI_PORT_BASE
};
static void enable_pcit_irq(unsigned int irq)
@@ -262,7 +180,7 @@ static void pcit_hwint0(void)
int irq;
clear_c0_status(IE_IRQ0);
- irq = ffs((pending >> 16) & 0x7f);
+ irq = ffs((pending >> 16) & 0x3f);
if (likely(irq > 0))
do_IRQ (irq + SNI_PCIT_INT_START - 1);
@@ -289,6 +207,8 @@ static void sni_pcit_hwint_cplus(void)
if (pending & C_IRQ0)
pcit_hwint0();
+ else if (pending & C_IRQ1)
+ do_IRQ (MIPS_CPU_IRQ_BASE + 3);
else if (pending & C_IRQ2)
do_IRQ (MIPS_CPU_IRQ_BASE + 4);
else if (pending & C_IRQ3)
@@ -317,21 +237,23 @@ void __init sni_pcit_cplus_irq_init(void)
mips_cpu_irq_init();
for (i = SNI_PCIT_INT_START; i <= SNI_PCIT_INT_END; i++)
set_irq_chip(i, &pcit_irq_type);
- *(volatile u32 *)SNI_PCIT_INT_REG = 0;
+ *(volatile u32 *)SNI_PCIT_INT_REG = 0x40000000;
sni_hwint = sni_pcit_hwint_cplus;
change_c0_status(ST0_IM, IE_IRQ0);
- setup_irq (SNI_PCIT_INT_START + 6, &sni_isa_irq);
+ setup_irq (MIPS_CPU_IRQ_BASE + 3, &sni_isa_irq);
}
void sni_pcit_init(void)
{
- sni_pcit_resource_init();
rtc_mips_get_time = mc146818_get_cmos_time;
rtc_mips_set_time = mc146818_set_rtc_mmss;
board_time_init = sni_cpu_time_init;
+ ioport_resource.end = sni_io_resource.end;
#ifdef CONFIG_PCI
+ PCIBIOS_MIN_IO = 0x9000;
register_pci_controller(&sni_pcit_controller);
#endif
+ sni_pcit_resource_init();
}
static int __init snirm_pcit_setup_devinit(void)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 09:17:13 +0000