[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>

3 files changed, 33 insertions, 13 deletions

diff --git a/include/asm-arm/arch-versatile/hardware.h b/include/asm-arm/arch-versatile/hardware.h
index d5fb4a251e7f..41c1bee342ad 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
+
+#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 PCIO_BASE               PCI_IO_VADDR
-#define PCIMEM_BASE             PCI_MEMORY_VADDR
+#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 dbb7158788fc..9f895bf61494 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 a71093e44c58..cbdd9fb96332 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 */