From c1191b0e3b5fc080e0b09859024f39c4a8c5d4d5 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Tue, 2 Jun 2009 21:43:45 -0400 Subject: [PATCH] [ARM] Kirkwood: create a mapping for the Security Accelerator SRAM Always creating the physical mapping should do no harm, so let's remove the interface that was provided for its optional creation and make the mapping static. Signed-off-by: Nicolas Pitre --- arch/arm/include/asm/sizes.h | 1 + arch/arm/mach-kirkwood/addr-map.c | 14 +++++++------- arch/arm/mach-kirkwood/common.h | 1 - arch/arm/mach-kirkwood/include/mach/kirkwood.h | 4 ++++ 4 files changed, 12 insertions(+), 8 deletions(-) diff --git a/arch/arm/include/asm/sizes.h b/arch/arm/include/asm/sizes.h index ada93a8..4fc1565 100644 --- a/arch/arm/include/asm/sizes.h +++ b/arch/arm/include/asm/sizes.h @@ -29,6 +29,7 @@ #define SZ_512 0x00000200 #define SZ_1K 0x00000400 +#define SZ_2K 0x00000800 #define SZ_4K 0x00001000 #define SZ_8K 0x00002000 #define SZ_16K 0x00004000 diff --git a/arch/arm/mach-kirkwood/addr-map.c b/arch/arm/mach-kirkwood/addr-map.c index 5db4f0b..1da5d1c 100644 --- a/arch/arm/mach-kirkwood/addr-map.c +++ b/arch/arm/mach-kirkwood/addr-map.c @@ -20,6 +20,7 @@ */ #define TARGET_DDR 0 #define TARGET_DEV_BUS 1 +#define TARGET_SRAM 3 #define TARGET_PCIE 4 #define ATTR_DEV_SPI_ROM 0x1e #define ATTR_DEV_BOOT 0x1d @@ -30,6 +31,7 @@ #define ATTR_DEV_CS0 0x3e #define ATTR_PCIE_IO 0xe0 #define ATTR_PCIE_MEM 0xe8 +#define ATTR_SRAM 0x01 /* * Helpers to get DDR bank info @@ -48,7 +50,6 @@ struct mbus_dram_target_info kirkwood_mbus_dram_info; -static int __initdata win_alloc_count; static int __init cpu_win_can_remap(int win) { @@ -112,7 +113,11 @@ void __init kirkwood_setup_cpu_mbus(void) setup_cpu_win(2, KIRKWOOD_NAND_MEM_PHYS_BASE, KIRKWOOD_NAND_MEM_SIZE, TARGET_DEV_BUS, ATTR_DEV_NAND, -1); - win_alloc_count = 3; + /* + * Setup window for SRAM. + */ + setup_cpu_win(3, KIRKWOOD_SRAM_PHYS_BASE, KIRKWOOD_SRAM_SIZE, + TARGET_SRAM, ATTR_SRAM, -1); /* * Setup MBUS dram target info. @@ -140,8 +145,3 @@ void __init kirkwood_setup_cpu_mbus(void) } kirkwood_mbus_dram_info.num_cs = cs; } - -void __init kirkwood_setup_sram_win(u32 base, u32 size) -{ - setup_cpu_win(win_alloc_count++, base, size, 0x03, 0x00, -1); -} diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h index 9de5256..d7de434 100644 --- a/arch/arm/mach-kirkwood/common.h +++ b/arch/arm/mach-kirkwood/common.h @@ -26,7 +26,6 @@ void kirkwood_init_irq(void); extern struct mbus_dram_target_info kirkwood_mbus_dram_info; void kirkwood_setup_cpu_mbus(void); -void kirkwood_setup_sram_win(u32 base, u32 size); void kirkwood_pcie_id(u32 *dev, u32 *rev); diff --git a/arch/arm/mach-kirkwood/include/mach/kirkwood.h b/arch/arm/mach-kirkwood/include/mach/kirkwood.h index 00be8c5..2172224 100644 --- a/arch/arm/mach-kirkwood/include/mach/kirkwood.h +++ b/arch/arm/mach-kirkwood/include/mach/kirkwood.h @@ -20,12 +20,16 @@ * f1000000 on-chip peripheral registers * f2000000 PCIe I/O space * f3000000 NAND controller address window + * f4000000 Security Accelerator SRAM * * virt phys size * fee00000 f1000000 1M on-chip peripheral registers * fef00000 f2000000 1M PCIe I/O space */ +#define KIRKWOOD_SRAM_PHYS_BASE 0xf4000000 +#define KIRKWOOD_SRAM_SIZE SZ_2K + #define KIRKWOOD_NAND_MEM_PHYS_BASE 0xf3000000 #define KIRKWOOD_NAND_MEM_SIZE SZ_1K -- 1.8.2.3