summaryrefslogtreecommitdiff
path: root/arch/sh/drivers/pci/pcie-sh7786.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/drivers/pci/pcie-sh7786.c')
-rw-r--r--arch/sh/drivers/pci/pcie-sh7786.c112
1 files changed, 63 insertions, 49 deletions
diff --git a/arch/sh/drivers/pci/pcie-sh7786.c b/arch/sh/drivers/pci/pcie-sh7786.c
index feac1fef21e..95d095f26d6 100644
--- a/arch/sh/drivers/pci/pcie-sh7786.c
+++ b/arch/sh/drivers/pci/pcie-sh7786.c
@@ -1,7 +1,7 @@
/*
* Low-Level PCI Express Support for the SH7786
*
- * Copyright (C) 2009 Paul Mundt
+ * Copyright (C) 2009 - 2010 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
@@ -30,60 +30,84 @@ static struct sh7786_pcie_hwops {
int (*port_init_hw)(struct sh7786_pcie_port *port);
} *sh7786_pcie_hwops;
-static struct resource sh7786_pci_32bit_mem_resources[] = {
+static struct resource sh7786_pci0_resources[] = {
{
- .name = "pci0_mem",
- .start = SH4A_PCIMEM_BASEA,
- .end = SH4A_PCIMEM_BASEA + SZ_64M - 1,
- .flags = IORESOURCE_MEM,
+ .name = "PCIe0 IO",
+ .start = 0xfd000000,
+ .end = 0xfd000000 + SZ_8M - 1,
+ .flags = IORESOURCE_IO,
}, {
- .name = "pci1_mem",
- .start = SH4A_PCIMEM_BASEA1,
- .end = SH4A_PCIMEM_BASEA1 + SZ_64M - 1,
- .flags = IORESOURCE_MEM,
+ .name = "PCIe0 MEM 0",
+ .start = 0xc0000000,
+ .end = 0xc0000000 + SZ_512M - 1,
+ .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
}, {
- .name = "pci2_mem",
- .start = SH4A_PCIMEM_BASEA2,
- .end = SH4A_PCIMEM_BASEA2 + SZ_64M - 1,
+ .name = "PCIe0 MEM 1",
+ .start = 0x10000000,
+ .end = 0x10000000 + SZ_64M - 1,
.flags = IORESOURCE_MEM,
+ }, {
+ .name = "PCIe0 MEM 2",
+ .start = 0xfe100000,
+ .end = 0xfe100000 + SZ_1M - 1,
},
};
-static struct resource sh7786_pci_29bit_mem_resource = {
- .start = SH4A_PCIMEM_BASE,
- .end = SH4A_PCIMEM_BASE + SZ_64M - 1,
- .flags = IORESOURCE_MEM,
+static struct resource sh7786_pci1_resources[] = {
+ {
+ .name = "PCIe1 IO",
+ .start = 0xfd800000,
+ .end = 0xfd800000 + SZ_8M - 1,
+ .flags = IORESOURCE_IO,
+ }, {
+ .name = "PCIe1 MEM 0",
+ .start = 0xa0000000,
+ .end = 0xa0000000 + SZ_512M - 1,
+ .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
+ }, {
+ .name = "PCIe1 MEM 1",
+ .start = 0x30000000,
+ .end = 0x30000000 + SZ_256M - 1,
+ .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
+ }, {
+ .name = "PCIe1 MEM 2",
+ .start = 0xfe300000,
+ .end = 0xfe300000 + SZ_1M - 1,
+ },
};
-static struct resource sh7786_pci_io_resources[] = {
+static struct resource sh7786_pci2_resources[] = {
{
- .name = "pci0_io",
- .start = SH4A_PCIIO_BASE,
- .end = SH4A_PCIIO_BASE + SZ_8M - 1,
- .flags = IORESOURCE_IO,
+ .name = "PCIe2 IO",
+ .start = 0xfc800000,
+ .end = 0xfc800000 + SZ_4M - 1,
}, {
- .name = "pci1_io",
- .start = SH4A_PCIIO_BASE1,
- .end = SH4A_PCIIO_BASE1 + SZ_8M - 1,
- .flags = IORESOURCE_IO,
+ .name = "PCIe2 MEM 0",
+ .start = 0x80000000,
+ .end = 0x80000000 + SZ_512M - 1,
+ .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
}, {
- .name = "pci2_io",
- .start = SH4A_PCIIO_BASE2,
- .end = SH4A_PCIIO_BASE2 + SZ_4M - 1,
- .flags = IORESOURCE_IO,
+ .name = "PCIe2 MEM 1",
+ .start = 0x20000000,
+ .end = 0x20000000 + SZ_256M - 1,
+ .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
+ }, {
+ .name = "PCIe2 MEM 2",
+ .start = 0xfcd00000,
+ .end = 0xfcd00000 + SZ_1M - 1,
},
};
extern struct pci_ops sh7786_pci_ops;
-#define DEFINE_CONTROLLER(start, idx) \
-{ \
- .pci_ops = &sh7786_pci_ops, \
- .reg_base = start, \
- /* mem_resource filled in at probe time */ \
- .mem_offset = 0, \
- .io_resource = &sh7786_pci_io_resources[idx], \
- .io_offset = 0, \
+#define DEFINE_CONTROLLER(start, idx) \
+{ \
+ .pci_ops = &sh7786_pci_ops, \
+ .resources = sh7786_pci##idx##_resources, \
+ .nr_resources = ARRAY_SIZE(sh7786_pci##idx##_resources), \
+ .reg_base = start, \
+ .mem_offset = 0, \
+ .io_offset = 0, \
}
static struct pci_channel sh7786_pci_channels[] = {
@@ -330,17 +354,7 @@ static int __init sh7786_pcie_init(void)
port->index = i;
port->hose = sh7786_pci_channels + i;
- port->hose->io_map_base = port->hose->io_resource->start;
-
- /*
- * Check if we are booting in 29 or 32-bit mode
- *
- * 32-bit mode provides each controller with its own
- * memory window, while 29-bit mode uses a shared one.
- */
- port->hose->mem_resource = test_mode_pin(MODE_PIN10) ?
- &sh7786_pci_32bit_mem_resources[i] :
- &sh7786_pci_29bit_mem_resource;
+ port->hose->io_map_base = port->hose->resources[0].start;
ret |= sh7786_pcie_hwops->port_init_hw(port);
}