diff options
author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-01-27 11:14:02 -0500 |
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committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-01-27 11:14:02 -0500 |
commit | 6c02b7b1610f873888af20f291c07730889ff0f9 (patch) | |
tree | 1b33e6642cc81605b8d37c0bda0abff0ba64fa2d /arch/arm/mach-mv78xx0/addr-map.c | |
parent | 7a7546b377bdaa25ac77f33d9433c59f259b9688 (diff) | |
parent | dcd6c92267155e70a94b3927bce681ce74b80d1f (diff) |
Merge commit 'v3.3-rc1' into stable/for-linus-fixes-3.3
* commit 'v3.3-rc1': (9775 commits)
Linux 3.3-rc1
x86, syscall: Need __ARCH_WANT_SYS_IPC for 32 bits
qnx4: don't leak ->BitMap on late failure exits
qnx4: reduce the insane nesting in qnx4_checkroot()
qnx4: di_fname is an array, for crying out loud...
KEYS: Permit key_serial() to be called with a const key pointer
keys: fix user_defined key sparse messages
ima: fix cred sparse warning
uml: fix compile for x86-64
MPILIB: Add a missing ENOMEM check
tpm: fix (ACPI S3) suspend regression
nvme: fix merge error due to change of 'make_request_fn' fn type
xen: using EXPORT_SYMBOL requires including export.h
gpio: tps65910: Use correct offset for gpio initialization
acpi/apei/einj: Add extensions to EINJ from rev 5.0 of acpi spec
intel_idle: Split up and provide per CPU initialization func
ACPI processor: Remove unneeded variable passed by acpi_processor_hotadd_init V2
tg3: Fix single-vector MSI-X code
openvswitch: Fix multipart datapath dumps.
ipv6: fix per device IP snmp counters
...
Diffstat (limited to 'arch/arm/mach-mv78xx0/addr-map.c')
-rw-r--r-- | arch/arm/mach-mv78xx0/addr-map.c | 102 |
1 files changed, 19 insertions, 83 deletions
diff --git a/arch/arm/mach-mv78xx0/addr-map.c b/arch/arm/mach-mv78xx0/addr-map.c index 311d5b0e9bc7..62b53d710efd 100644 --- a/arch/arm/mach-mv78xx0/addr-map.c +++ b/arch/arm/mach-mv78xx0/addr-map.c @@ -12,12 +12,12 @@ #include <linux/init.h> #include <linux/mbus.h> #include <linux/io.h> +#include <plat/addr-map.h> #include "common.h" /* * Generic Address Decode Windows bit settings */ -#define TARGET_DDR 0 #define TARGET_DEV_BUS 1 #define TARGET_PCIE0 4 #define TARGET_PCIE1 8 @@ -32,23 +32,10 @@ #define ATTR_PCIE_MEM(l) (0xf8 & ~(0x10 << (l))) /* - * Helpers to get DDR bank info - */ -#define DDR_BASE_CS_OFF(n) (0x0000 + ((n) << 3)) -#define DDR_SIZE_CS_OFF(n) (0x0004 + ((n) << 3)) - -/* * CPU Address Decode Windows registers */ #define WIN0_OFF(n) (BRIDGE_VIRT_BASE + 0x0000 + ((n) << 4)) #define WIN8_OFF(n) (BRIDGE_VIRT_BASE + 0x0900 + (((n) - 8) << 4)) -#define WIN_CTRL_OFF 0x0000 -#define WIN_BASE_OFF 0x0004 -#define WIN_REMAP_LO_OFF 0x0008 -#define WIN_REMAP_HI_OFF 0x000c - - -struct mbus_dram_target_info mv78xx0_mbus_dram_info; static void __init __iomem *win_cfg_base(int win) { @@ -63,94 +50,43 @@ static void __init __iomem *win_cfg_base(int win) return (void __iomem *)((win < 8) ? WIN0_OFF(win) : WIN8_OFF(win)); } -static int __init cpu_win_can_remap(int win) -{ - if (win < 8) - return 1; - - return 0; -} - -static void __init setup_cpu_win(int win, u32 base, u32 size, - u8 target, u8 attr, int remap) -{ - void __iomem *addr = win_cfg_base(win); - u32 ctrl; - - base &= 0xffff0000; - ctrl = ((size - 1) & 0xffff0000) | (attr << 8) | (target << 4) | 1; - - writel(base, addr + WIN_BASE_OFF); - writel(ctrl, addr + WIN_CTRL_OFF); - if (cpu_win_can_remap(win)) { - if (remap < 0) - remap = base; - - writel(remap & 0xffff0000, addr + WIN_REMAP_LO_OFF); - writel(0, addr + WIN_REMAP_HI_OFF); - } -} +/* + * Description of the windows needed by the platform code + */ +static struct __initdata orion_addr_map_cfg addr_map_cfg = { + .num_wins = 14, + .remappable_wins = 8, + .win_cfg_base = win_cfg_base, +}; void __init mv78xx0_setup_cpu_mbus(void) { - void __iomem *addr; - int i; - int cs; - /* - * First, disable and clear windows. + * Disable, clear and configure windows. */ - for (i = 0; i < 14; i++) { - addr = win_cfg_base(i); - - writel(0, addr + WIN_BASE_OFF); - writel(0, addr + WIN_CTRL_OFF); - if (cpu_win_can_remap(i)) { - writel(0, addr + WIN_REMAP_LO_OFF); - writel(0, addr + WIN_REMAP_HI_OFF); - } - } + orion_config_wins(&addr_map_cfg, NULL); /* * Setup MBUS dram target info. */ - mv78xx0_mbus_dram_info.mbus_dram_target_id = TARGET_DDR; - if (mv78xx0_core_index() == 0) - addr = (void __iomem *)DDR_WINDOW_CPU0_BASE; + orion_setup_cpu_mbus_target(&addr_map_cfg, + DDR_WINDOW_CPU0_BASE); else - addr = (void __iomem *)DDR_WINDOW_CPU1_BASE; - - for (i = 0, cs = 0; i < 4; i++) { - u32 base = readl(addr + DDR_BASE_CS_OFF(i)); - u32 size = readl(addr + DDR_SIZE_CS_OFF(i)); - - /* - * Chip select enabled? - */ - if (size & 1) { - struct mbus_dram_window *w; - - w = &mv78xx0_mbus_dram_info.cs[cs++]; - w->cs_index = i; - w->mbus_attr = 0xf & ~(1 << i); - w->base = base & 0xffff0000; - w->size = (size | 0x0000ffff) + 1; - } - } - mv78xx0_mbus_dram_info.num_cs = cs; + orion_setup_cpu_mbus_target(&addr_map_cfg, + DDR_WINDOW_CPU1_BASE); } void __init mv78xx0_setup_pcie_io_win(int window, u32 base, u32 size, int maj, int min) { - setup_cpu_win(window, base, size, TARGET_PCIE(maj), - ATTR_PCIE_IO(min), -1); + orion_setup_cpu_win(&addr_map_cfg, window, base, size, + TARGET_PCIE(maj), ATTR_PCIE_IO(min), -1); } void __init mv78xx0_setup_pcie_mem_win(int window, u32 base, u32 size, int maj, int min) { - setup_cpu_win(window, base, size, TARGET_PCIE(maj), - ATTR_PCIE_MEM(min), -1); + orion_setup_cpu_win(&addr_map_cfg, window, base, size, + TARGET_PCIE(maj), ATTR_PCIE_MEM(min), -1); } |