diff options
Diffstat (limited to 'arch/arm/mach-dove/addr-map.c')
-rw-r--r-- | arch/arm/mach-dove/addr-map.c | 113 |
1 files changed, 45 insertions, 68 deletions
diff --git a/arch/arm/mach-dove/addr-map.c b/arch/arm/mach-dove/addr-map.c index 00be4fc26dd7..1584726088e4 100644 --- a/arch/arm/mach-dove/addr-map.c +++ b/arch/arm/mach-dove/addr-map.c | |||
@@ -14,6 +14,7 @@ | |||
14 | #include <linux/io.h> | 14 | #include <linux/io.h> |
15 | #include <asm/mach/arch.h> | 15 | #include <asm/mach/arch.h> |
16 | #include <asm/setup.h> | 16 | #include <asm/setup.h> |
17 | #include <plat/addr-map.h> | ||
17 | #include "common.h" | 18 | #include "common.h" |
18 | 19 | ||
19 | /* | 20 | /* |
@@ -34,14 +35,6 @@ | |||
34 | #define ATTR_PCIE_MEM 0xe8 | 35 | #define ATTR_PCIE_MEM 0xe8 |
35 | #define ATTR_SCRATCHPAD 0x0 | 36 | #define ATTR_SCRATCHPAD 0x0 |
36 | 37 | ||
37 | /* | ||
38 | * CPU Address Decode Windows registers | ||
39 | */ | ||
40 | #define WIN_CTRL(n) (BRIDGE_VIRT_BASE + ((n) << 4) + 0x0) | ||
41 | #define WIN_BASE(n) (BRIDGE_VIRT_BASE + ((n) << 4) + 0x4) | ||
42 | #define WIN_REMAP_LO(n) (BRIDGE_VIRT_BASE + ((n) << 4) + 0x8) | ||
43 | #define WIN_REMAP_HI(n) (BRIDGE_VIRT_BASE + ((n) << 4) + 0xc) | ||
44 | |||
45 | struct mbus_dram_target_info dove_mbus_dram_info; | 38 | struct mbus_dram_target_info dove_mbus_dram_info; |
46 | 39 | ||
47 | static inline void __iomem *ddr_map_sc(int i) | 40 | static inline void __iomem *ddr_map_sc(int i) |
@@ -49,78 +42,62 @@ static inline void __iomem *ddr_map_sc(int i) | |||
49 | return (void __iomem *)(DOVE_MC_VIRT_BASE + 0x100 + ((i) << 4)); | 42 | return (void __iomem *)(DOVE_MC_VIRT_BASE + 0x100 + ((i) << 4)); |
50 | } | 43 | } |
51 | 44 | ||
52 | static int cpu_win_can_remap(int win) | 45 | /* |
53 | { | 46 | * Description of the windows needed by the platform code |
54 | if (win < 4) | 47 | */ |
55 | return 1; | 48 | static struct __initdata orion_addr_map_cfg addr_map_cfg = { |
56 | 49 | .num_wins = 8, | |
57 | return 0; | 50 | .remappable_wins = 4, |
58 | } | 51 | .bridge_virt_base = BRIDGE_VIRT_BASE, |
59 | 52 | }; | |
60 | static void __init setup_cpu_win(int win, u32 base, u32 size, | ||
61 | u8 target, u8 attr, int remap) | ||
62 | { | ||
63 | u32 ctrl; | ||
64 | |||
65 | base &= 0xffff0000; | ||
66 | ctrl = ((size - 1) & 0xffff0000) | (attr << 8) | (target << 4) | 1; | ||
67 | |||
68 | writel(base, WIN_BASE(win)); | ||
69 | writel(ctrl, WIN_CTRL(win)); | ||
70 | if (cpu_win_can_remap(win)) { | ||
71 | if (remap < 0) | ||
72 | remap = base; | ||
73 | writel(remap & 0xffff0000, WIN_REMAP_LO(win)); | ||
74 | writel(0, WIN_REMAP_HI(win)); | ||
75 | } | ||
76 | } | ||
77 | |||
78 | void __init dove_setup_cpu_mbus(void) | ||
79 | { | ||
80 | int i; | ||
81 | int cs; | ||
82 | 53 | ||
54 | static const struct __initdata orion_addr_map_info addr_map_info[] = { | ||
83 | /* | 55 | /* |
84 | * First, disable and clear windows. | 56 | * Windows for PCIe IO+MEM space. |
85 | */ | 57 | */ |
86 | for (i = 0; i < 8; i++) { | 58 | { 0, DOVE_PCIE0_IO_PHYS_BASE, DOVE_PCIE0_IO_SIZE, |
87 | writel(0, WIN_BASE(i)); | 59 | TARGET_PCIE0, ATTR_PCIE_IO, DOVE_PCIE0_IO_BUS_BASE |
88 | writel(0, WIN_CTRL(i)); | 60 | }, |
89 | if (cpu_win_can_remap(i)) { | 61 | { 1, DOVE_PCIE1_IO_PHYS_BASE, DOVE_PCIE1_IO_SIZE, |
90 | writel(0, WIN_REMAP_LO(i)); | 62 | TARGET_PCIE1, ATTR_PCIE_IO, DOVE_PCIE1_IO_BUS_BASE |
91 | writel(0, WIN_REMAP_HI(i)); | 63 | }, |
92 | } | 64 | { 2, DOVE_PCIE0_MEM_PHYS_BASE, DOVE_PCIE0_MEM_SIZE, |
93 | } | 65 | TARGET_PCIE0, ATTR_PCIE_MEM, -1 |
94 | 66 | }, | |
67 | { 3, DOVE_PCIE1_MEM_PHYS_BASE, DOVE_PCIE1_MEM_SIZE, | ||
68 | TARGET_PCIE1, ATTR_PCIE_MEM, -1 | ||
69 | }, | ||
95 | /* | 70 | /* |
96 | * Setup windows for PCIe IO+MEM space. | 71 | * Window for CESA engine. |
97 | */ | 72 | */ |
98 | setup_cpu_win(0, DOVE_PCIE0_IO_PHYS_BASE, DOVE_PCIE0_IO_SIZE, | 73 | { 4, DOVE_CESA_PHYS_BASE, DOVE_CESA_SIZE, |
99 | TARGET_PCIE0, ATTR_PCIE_IO, DOVE_PCIE0_IO_BUS_BASE); | 74 | TARGET_CESA, ATTR_CESA, -1 |
100 | setup_cpu_win(1, DOVE_PCIE1_IO_PHYS_BASE, DOVE_PCIE1_IO_SIZE, | 75 | }, |
101 | TARGET_PCIE1, ATTR_PCIE_IO, DOVE_PCIE1_IO_BUS_BASE); | ||
102 | setup_cpu_win(2, DOVE_PCIE0_MEM_PHYS_BASE, DOVE_PCIE0_MEM_SIZE, | ||
103 | TARGET_PCIE0, ATTR_PCIE_MEM, -1); | ||
104 | setup_cpu_win(3, DOVE_PCIE1_MEM_PHYS_BASE, DOVE_PCIE1_MEM_SIZE, | ||
105 | TARGET_PCIE1, ATTR_PCIE_MEM, -1); | ||
106 | |||
107 | /* | 76 | /* |
108 | * Setup window for CESA engine. | 77 | * Window to the BootROM for Standby and Sleep Resume |
109 | */ | 78 | */ |
110 | setup_cpu_win(4, DOVE_CESA_PHYS_BASE, DOVE_CESA_SIZE, | 79 | { 5, DOVE_BOOTROM_PHYS_BASE, DOVE_BOOTROM_SIZE, |
111 | TARGET_CESA, ATTR_CESA, -1); | 80 | TARGET_BOOTROM, ATTR_BOOTROM, -1 |
112 | 81 | }, | |
113 | /* | 82 | /* |
114 | * Setup the Window to the BootROM for Standby and Sleep Resume | 83 | * Window to the PMU Scratch Pad space |
115 | */ | 84 | */ |
116 | setup_cpu_win(5, DOVE_BOOTROM_PHYS_BASE, DOVE_BOOTROM_SIZE, | 85 | { 6, DOVE_SCRATCHPAD_PHYS_BASE, DOVE_SCRATCHPAD_SIZE, |
117 | TARGET_BOOTROM, ATTR_BOOTROM, -1); | 86 | TARGET_SCRATCHPAD, ATTR_SCRATCHPAD, -1 |
87 | }, | ||
88 | /* End marker */ | ||
89 | { -1, 0, 0, 0, 0, 0 } | ||
90 | }; | ||
91 | |||
92 | void __init dove_setup_cpu_mbus(void) | ||
93 | { | ||
94 | int i; | ||
95 | int cs; | ||
118 | 96 | ||
119 | /* | 97 | /* |
120 | * Setup the Window to the PMU Scratch Pad space | 98 | * Disable, clear and configure windows. |
121 | */ | 99 | */ |
122 | setup_cpu_win(6, DOVE_SCRATCHPAD_PHYS_BASE, DOVE_SCRATCHPAD_SIZE, | 100 | orion_config_wins(&addr_map_cfg, addr_map_info); |
123 | TARGET_SCRATCHPAD, ATTR_SCRATCHPAD, -1); | ||
124 | 101 | ||
125 | /* | 102 | /* |
126 | * Setup MBUS dram target info. | 103 | * Setup MBUS dram target info. |