[PATCH] ARM: 2693/1: Add PCI support for Versatile/PB
Patch from Catalin Marinas
This patch adds PCI support for the Versatile PB926 platform.
Signed-off-by: Colin King
Signed-off-by: Catalin Marinas
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/asm-arm/arch-versatile/hardware.h b/include/asm-arm/arch-versatile/hardware.h
index d5fb4a2..41c1bee 100644
--- a/include/asm-arm/arch-versatile/hardware.h
+++ b/include/asm-arm/arch-versatile/hardware.h
@@ -25,19 +25,26 @@
#include <asm/sizes.h>
#include <asm/arch/platform.h>
-// FIXME = PCI settings need to be fixed!!!!!
-
/*
- * Similar to above, but for PCI addresses (memory, IO, Config and the
- * V3 chip itself). WARNING: this has to mirror definitions in platform.h
+ * PCI space virtual addresses
*/
-#define PCI_MEMORY_VADDR 0xe8000000
-#define PCI_CONFIG_VADDR 0xec000000
-#define PCI_V3_VADDR 0xed000000
-#define PCI_IO_VADDR 0xee000000
+#define VERSATILE_PCI_VIRT_BASE 0xe8000000
+#define VERSATILE_PCI_CFG_VIRT_BASE 0xe9000000
-#define PCIO_BASE PCI_IO_VADDR
-#define PCIMEM_BASE PCI_MEMORY_VADDR
+#if 0
+#define VERSATILE_PCI_VIRT_MEM_BASE0 0xf4000000
+#define VERSATILE_PCI_VIRT_MEM_BASE1 0xf5000000
+#define VERSATILE_PCI_VIRT_MEM_BASE2 0xf6000000
+
+#define PCIO_BASE VERSATILE_PCI_VIRT_MEM_BASE0
+#define PCIMEM_BASE VERSATILE_PCI_VIRT_MEM_BASE1
+#endif
+
+/* CIK guesswork */
+#define PCIBIOS_MIN_IO 0x44000000
+#define PCIBIOS_MIN_MEM 0x50000000
+
+#define pcibios_assign_all_busses() 1
/* macro to get at IO space when running virtually */
#define IO_ADDRESS(x) (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000)
diff --git a/include/asm-arm/arch-versatile/io.h b/include/asm-arm/arch-versatile/io.h
index dbb7158..9f895bf 100644
--- a/include/asm-arm/arch-versatile/io.h
+++ b/include/asm-arm/arch-versatile/io.h
@@ -20,7 +20,7 @@
#ifndef __ASM_ARM_ARCH_IO_H
#define __ASM_ARM_ARCH_IO_H
-#define IO_SPACE_LIMIT 0xffff
+#define IO_SPACE_LIMIT 0xffffffff
#define __io(a) ((void __iomem *)(a))
#define __mem_pci(a) (a)
diff --git a/include/asm-arm/arch-versatile/platform.h b/include/asm-arm/arch-versatile/platform.h
index a71093e..cbdd9fb 100644
--- a/include/asm-arm/arch-versatile/platform.h
+++ b/include/asm-arm/arch-versatile/platform.h
@@ -76,7 +76,7 @@
#define VERSATILE_SYS_NVFLAGSSET_OFFSET 0x38
#define VERSATILE_SYS_NVFLAGSCLR_OFFSET 0x3C
#define VERSATILE_SYS_RESETCTL_OFFSET 0x40
-#define VERSATILE_SYS_PICCTL_OFFSET 0x44
+#define VERSATILE_SYS_PCICTL_OFFSET 0x44
#define VERSATILE_SYS_MCI_OFFSET 0x48
#define VERSATILE_SYS_FLASH_OFFSET 0x4C
#define VERSATILE_SYS_CLCD_OFFSET 0x50
@@ -114,7 +114,7 @@
#define VERSATILE_SYS_NVFLAGSSET (VERSATILE_SYS_BASE + VERSATILE_SYS_NVFLAGSSET_OFFSET)
#define VERSATILE_SYS_NVFLAGSCLR (VERSATILE_SYS_BASE + VERSATILE_SYS_NVFLAGSCLR_OFFSET)
#define VERSATILE_SYS_RESETCTL (VERSATILE_SYS_BASE + VERSATILE_SYS_RESETCTL_OFFSET)
-#define VERSATILE_SYS_PICCTL (VERSATILE_SYS_BASE + VERSATILE_SYS_PICCTL_OFFSET)
+#define VERSATILE_SYS_PCICTL (VERSATILE_SYS_BASE + VERSATILE_SYS_PCICTL_OFFSET)
#define VERSATILE_SYS_MCI (VERSATILE_SYS_BASE + VERSATILE_SYS_MCI_OFFSET)
#define VERSATILE_SYS_FLASH (VERSATILE_SYS_BASE + VERSATILE_SYS_FLASH_OFFSET)
#define VERSATILE_SYS_CLCD (VERSATILE_SYS_BASE + VERSATILE_SYS_CLCD_OFFSET)
@@ -225,7 +225,20 @@
#define VERSATILE_SSMC_BASE 0x20000000 /* SSMC */
#define VERSATILE_IB2_BASE 0x24000000 /* IB2 module */
#define VERSATILE_MBX_BASE 0x40000000 /* MBX */
+
+/* PCI space */
#define VERSATILE_PCI_BASE 0x41000000 /* PCI Interface */
+#define VERSATILE_PCI_CFG_BASE 0x42000000
+#define VERSATILE_PCI_MEM_BASE0 0x44000000
+#define VERSATILE_PCI_MEM_BASE1 0x50000000
+#define VERSATILE_PCI_MEM_BASE2 0x60000000
+/* Sizes of above maps */
+#define VERSATILE_PCI_BASE_SIZE 0x01000000
+#define VERSATILE_PCI_CFG_BASE_SIZE 0x02000000
+#define VERSATILE_PCI_MEM_BASE0_SIZE 0x0c000000 /* 32Mb */
+#define VERSATILE_PCI_MEM_BASE1_SIZE 0x10000000 /* 256Mb */
+#define VERSATILE_PCI_MEM_BASE2_SIZE 0x10000000 /* 256Mb */
+
#define VERSATILE_SDRAM67_BASE 0x70000000 /* SDRAM banks 6 and 7 */
#define VERSATILE_LT_BASE 0x80000000 /* Logic Tile expansion */