From b6d1c33a31deb1784c1d34070db6e84fd6f9d870 Mon Sep 17 00:00:00 2001 From: Andrew Lunn Date: Wed, 7 Dec 2011 21:48:05 +0100 Subject: ARM: Orion: Consolidate the address map setup Compile tested on Dove, orion5x, mv78xx0. Boot tested on Kirkwood. Signed-off-by: Andrew Lunn Tested-by: Michael Walle Acked-by: Nicolas Pitre Signed-off-by: Nicolas Pitre --- arch/arm/mach-orion5x/addr-map.c | 146 +++++++++++++-------------------------- 1 file changed, 48 insertions(+), 98 deletions(-) (limited to 'arch/arm/mach-orion5x/addr-map.c') diff --git a/arch/arm/mach-orion5x/addr-map.c b/arch/arm/mach-orion5x/addr-map.c index 5ceafdccc456..73ceb49de894 100644 --- a/arch/arm/mach-orion5x/addr-map.c +++ b/arch/arm/mach-orion5x/addr-map.c @@ -14,8 +14,8 @@ #include #include #include -#include #include +#include #include "common.h" /* @@ -41,7 +41,6 @@ /* * Generic Address Decode Windows bit settings */ -#define TARGET_DDR 0 #define TARGET_DEV_BUS 1 #define TARGET_PCI 3 #define TARGET_PCIE 4 @@ -57,27 +56,11 @@ #define ATTR_DEV_BOOT 0xf #define ATTR_SRAM 0x0 -/* - * Helpers to get DDR bank info - */ -#define ORION5X_DDR_REG(x) (ORION5X_DDR_VIRT_BASE | (x)) -#define DDR_BASE_CS(n) ORION5X_DDR_REG(0x1500 + ((n) << 3)) -#define DDR_SIZE_CS(n) ORION5X_DDR_REG(0x1504 + ((n) << 3)) - -/* - * CPU Address Decode Windows registers - */ -#define ORION5X_BRIDGE_REG(x) (ORION5X_BRIDGE_VIRT_BASE | (x)) -#define CPU_WIN_CTRL(n) ORION5X_BRIDGE_REG(0x000 | ((n) << 4)) -#define CPU_WIN_BASE(n) ORION5X_BRIDGE_REG(0x004 | ((n) << 4)) -#define CPU_WIN_REMAP_LO(n) ORION5X_BRIDGE_REG(0x008 | ((n) << 4)) -#define CPU_WIN_REMAP_HI(n) ORION5X_BRIDGE_REG(0x00c | ((n) << 4)) - - struct mbus_dram_target_info orion5x_mbus_dram_info; static int __initdata win_alloc_count; -static int __init orion5x_cpu_win_can_remap(int win) +static int __init cpu_win_can_remap(const struct orion_addr_map_cfg *cfg, + const int win) { u32 dev, rev; @@ -91,116 +74,83 @@ static int __init orion5x_cpu_win_can_remap(int win) return 0; } -static int __init setup_cpu_win(int win, u32 base, u32 size, - u8 target, u8 attr, int remap) -{ - if (win >= 8) { - printk(KERN_ERR "setup_cpu_win: trying to allocate " - "window %d\n", win); - return -ENOSPC; - } - - writel(base & 0xffff0000, CPU_WIN_BASE(win)); - writel(((size - 1) & 0xffff0000) | (attr << 8) | (target << 4) | 1, - CPU_WIN_CTRL(win)); - - if (orion5x_cpu_win_can_remap(win)) { - if (remap < 0) - remap = base; - - writel(remap & 0xffff0000, CPU_WIN_REMAP_LO(win)); - writel(0, CPU_WIN_REMAP_HI(win)); - } - return 0; -} - -void __init orion5x_setup_cpu_mbus_bridge(void) -{ - int i; - int cs; +/* + * Description of the windows needed by the platform code + */ +static struct __initdata orion_addr_map_cfg addr_map_cfg = { + .num_wins = 8, + .cpu_win_can_remap = cpu_win_can_remap, + .bridge_virt_base = ORION5X_BRIDGE_VIRT_BASE, +}; +static const struct __initdata orion_addr_map_info addr_map_info[] = { /* - * First, disable and clear windows. + * Setup windows for PCI+PCIe IO+MEM space. */ - for (i = 0; i < 8; i++) { - writel(0, CPU_WIN_BASE(i)); - writel(0, CPU_WIN_CTRL(i)); - if (orion5x_cpu_win_can_remap(i)) { - writel(0, CPU_WIN_REMAP_LO(i)); - writel(0, CPU_WIN_REMAP_HI(i)); - } - } + { 0, ORION5X_PCIE_IO_PHYS_BASE, ORION5X_PCIE_IO_SIZE, + TARGET_PCIE, ATTR_PCIE_IO, ORION5X_PCIE_IO_BUS_BASE + }, + { 1, ORION5X_PCI_IO_PHYS_BASE, ORION5X_PCI_IO_SIZE, + TARGET_PCI, ATTR_PCI_IO, ORION5X_PCI_IO_BUS_BASE + }, + { 2, ORION5X_PCIE_MEM_PHYS_BASE, ORION5X_PCIE_MEM_SIZE, + TARGET_PCIE, ATTR_PCIE_MEM, -1 + }, + { 3, ORION5X_PCI_MEM_PHYS_BASE, ORION5X_PCI_MEM_SIZE, + TARGET_PCI, ATTR_PCI_MEM, -1 + }, + /* End marker */ + { -1, 0, 0, 0, 0, 0 } +}; +void __init orion5x_setup_cpu_mbus_bridge(void) +{ /* - * Setup windows for PCI+PCIe IO+MEM space. + * Disable, clear and configure windows. */ - setup_cpu_win(0, ORION5X_PCIE_IO_PHYS_BASE, ORION5X_PCIE_IO_SIZE, - TARGET_PCIE, ATTR_PCIE_IO, ORION5X_PCIE_IO_BUS_BASE); - setup_cpu_win(1, ORION5X_PCI_IO_PHYS_BASE, ORION5X_PCI_IO_SIZE, - TARGET_PCI, ATTR_PCI_IO, ORION5X_PCI_IO_BUS_BASE); - setup_cpu_win(2, ORION5X_PCIE_MEM_PHYS_BASE, ORION5X_PCIE_MEM_SIZE, - TARGET_PCIE, ATTR_PCIE_MEM, -1); - setup_cpu_win(3, ORION5X_PCI_MEM_PHYS_BASE, ORION5X_PCI_MEM_SIZE, - TARGET_PCI, ATTR_PCI_MEM, -1); + orion_config_wins(&addr_map_cfg, addr_map_info); win_alloc_count = 4; /* * Setup MBUS dram target info. */ - orion5x_mbus_dram_info.mbus_dram_target_id = TARGET_DDR; - - for (i = 0, cs = 0; i < 4; i++) { - u32 base = readl(DDR_BASE_CS(i)); - u32 size = readl(DDR_SIZE_CS(i)); - - /* - * Chip select enabled? - */ - if (size & 1) { - struct mbus_dram_window *w; - - w = &orion5x_mbus_dram_info.cs[cs++]; - w->cs_index = i; - w->mbus_attr = 0xf & ~(1 << i); - w->base = base & 0xffff0000; - w->size = (size | 0x0000ffff) + 1; - } - } - orion5x_mbus_dram_info.num_cs = cs; + orion_setup_cpu_mbus_target(&addr_map_cfg, &orion5x_mbus_dram_info, + ORION5X_DDR_WINDOW_CPU_BASE); } void __init orion5x_setup_dev_boot_win(u32 base, u32 size) { - setup_cpu_win(win_alloc_count++, base, size, - TARGET_DEV_BUS, ATTR_DEV_BOOT, -1); + orion_setup_cpu_win(&addr_map_cfg, win_alloc_count++, base, size, + TARGET_DEV_BUS, ATTR_DEV_BOOT, -1); } void __init orion5x_setup_dev0_win(u32 base, u32 size) { - setup_cpu_win(win_alloc_count++, base, size, - TARGET_DEV_BUS, ATTR_DEV_CS0, -1); + orion_setup_cpu_win(&addr_map_cfg, win_alloc_count++, base, size, + TARGET_DEV_BUS, ATTR_DEV_CS0, -1); } void __init orion5x_setup_dev1_win(u32 base, u32 size) { - setup_cpu_win(win_alloc_count++, base, size, - TARGET_DEV_BUS, ATTR_DEV_CS1, -1); + orion_setup_cpu_win(&addr_map_cfg, win_alloc_count++, base, size, + TARGET_DEV_BUS, ATTR_DEV_CS1, -1); } void __init orion5x_setup_dev2_win(u32 base, u32 size) { - setup_cpu_win(win_alloc_count++, base, size, - TARGET_DEV_BUS, ATTR_DEV_CS2, -1); + orion_setup_cpu_win(&addr_map_cfg, win_alloc_count++, base, size, + TARGET_DEV_BUS, ATTR_DEV_CS2, -1); } void __init orion5x_setup_pcie_wa_win(u32 base, u32 size) { - setup_cpu_win(win_alloc_count++, base, size, - TARGET_PCIE, ATTR_PCIE_WA, -1); + orion_setup_cpu_win(&addr_map_cfg, win_alloc_count++, base, size, + TARGET_PCIE, ATTR_PCIE_WA, -1); } -int __init orion5x_setup_sram_win(void) +void __init orion5x_setup_sram_win(void) { - return setup_cpu_win(win_alloc_count++, ORION5X_SRAM_PHYS_BASE, - ORION5X_SRAM_SIZE, TARGET_SRAM, ATTR_SRAM, -1); + orion_setup_cpu_win(&addr_map_cfg, win_alloc_count++, + ORION5X_SRAM_PHYS_BASE, ORION5X_SRAM_SIZE, + TARGET_SRAM, ATTR_SRAM, -1); } -- cgit v1.2.3 From 45173d5ed4c9a397db31623bf6469efbd3a239cd Mon Sep 17 00:00:00 2001 From: Andrew Lunn Date: Wed, 7 Dec 2011 21:48:06 +0100 Subject: ARM: Orion: mbus_dram_info consolidation Move the *_mbus_dram_info structure into the orion platform and call it orion_mbus_dram_info everywhere. Signed-off-by: Andrew Lunn Tested-by: Michael Walle Acked-by: Nicolas Pitre Signed-off-by: Nicolas Pitre --- arch/arm/mach-orion5x/addr-map.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'arch/arm/mach-orion5x/addr-map.c') diff --git a/arch/arm/mach-orion5x/addr-map.c b/arch/arm/mach-orion5x/addr-map.c index 73ceb49de894..3638e5c12b7e 100644 --- a/arch/arm/mach-orion5x/addr-map.c +++ b/arch/arm/mach-orion5x/addr-map.c @@ -56,7 +56,6 @@ #define ATTR_DEV_BOOT 0xf #define ATTR_SRAM 0x0 -struct mbus_dram_target_info orion5x_mbus_dram_info; static int __initdata win_alloc_count; static int __init cpu_win_can_remap(const struct orion_addr_map_cfg *cfg, @@ -114,8 +113,7 @@ void __init orion5x_setup_cpu_mbus_bridge(void) /* * Setup MBUS dram target info. */ - orion_setup_cpu_mbus_target(&addr_map_cfg, &orion5x_mbus_dram_info, - ORION5X_DDR_WINDOW_CPU_BASE); + orion_setup_cpu_mbus_target(&addr_map_cfg, ORION5X_DDR_WINDOW_CPU_BASE); } void __init orion5x_setup_dev_boot_win(u32 base, u32 size) -- cgit v1.2.3