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Diffstat (limited to 'arch/arm/mach-dove/addr-map.c')
-rw-r--r--arch/arm/mach-dove/addr-map.c121
1 files changed, 48 insertions, 73 deletions
diff --git a/arch/arm/mach-dove/addr-map.c b/arch/arm/mach-dove/addr-map.c
index 00be4fc26dd7..98b8c83b09ab 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/*
@@ -34,98 +35,72 @@
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
45struct mbus_dram_target_info dove_mbus_dram_info;
46
47static inline void __iomem *ddr_map_sc(int i) 38static inline void __iomem *ddr_map_sc(int i)
48{ 39{
49 return (void __iomem *)(DOVE_MC_VIRT_BASE + 0x100 + ((i) << 4)); 40 return (void __iomem *)(DOVE_MC_VIRT_BASE + 0x100 + ((i) << 4));
50} 41}
51 42
52static int cpu_win_can_remap(int win) 43/*
53{ 44 * Description of the windows needed by the platform code
54 if (win < 4) 45 */
55 return 1; 46static struct __initdata orion_addr_map_cfg addr_map_cfg = {
56 47 .num_wins = 8,
57 return 0; 48 .remappable_wins = 4,
58} 49 .bridge_virt_base = BRIDGE_VIRT_BASE,
59 50};
60static 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
78void __init dove_setup_cpu_mbus(void)
79{
80 int i;
81 int cs;
82 51
52static const struct __initdata orion_addr_map_info addr_map_info[] = {
83 /* 53 /*
84 * First, disable and clear windows. 54 * Windows for PCIe IO+MEM space.
85 */ 55 */
86 for (i = 0; i < 8; i++) { 56 { 0, DOVE_PCIE0_IO_PHYS_BASE, DOVE_PCIE0_IO_SIZE,
87 writel(0, WIN_BASE(i)); 57 TARGET_PCIE0, ATTR_PCIE_IO, DOVE_PCIE0_IO_BUS_BASE
88 writel(0, WIN_CTRL(i)); 58 },
89 if (cpu_win_can_remap(i)) { 59 { 1, DOVE_PCIE1_IO_PHYS_BASE, DOVE_PCIE1_IO_SIZE,
90 writel(0, WIN_REMAP_LO(i)); 60 TARGET_PCIE1, ATTR_PCIE_IO, DOVE_PCIE1_IO_BUS_BASE
91 writel(0, WIN_REMAP_HI(i)); 61 },
92 } 62 { 2, DOVE_PCIE0_MEM_PHYS_BASE, DOVE_PCIE0_MEM_SIZE,
93 } 63 TARGET_PCIE0, ATTR_PCIE_MEM, -1
94 64 },
65 { 3, DOVE_PCIE1_MEM_PHYS_BASE, DOVE_PCIE1_MEM_SIZE,
66 TARGET_PCIE1, ATTR_PCIE_MEM, -1
67 },
95 /* 68 /*
96 * Setup windows for PCIe IO+MEM space. 69 * Window for CESA engine.
97 */ 70 */
98 setup_cpu_win(0, DOVE_PCIE0_IO_PHYS_BASE, DOVE_PCIE0_IO_SIZE, 71 { 4, DOVE_CESA_PHYS_BASE, DOVE_CESA_SIZE,
99 TARGET_PCIE0, ATTR_PCIE_IO, DOVE_PCIE0_IO_BUS_BASE); 72 TARGET_CESA, ATTR_CESA, -1
100 setup_cpu_win(1, DOVE_PCIE1_IO_PHYS_BASE, DOVE_PCIE1_IO_SIZE, 73 },
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 /* 74 /*
108 * Setup window for CESA engine. 75 * Window to the BootROM for Standby and Sleep Resume
109 */ 76 */
110 setup_cpu_win(4, DOVE_CESA_PHYS_BASE, DOVE_CESA_SIZE, 77 { 5, DOVE_BOOTROM_PHYS_BASE, DOVE_BOOTROM_SIZE,
111 TARGET_CESA, ATTR_CESA, -1); 78 TARGET_BOOTROM, ATTR_BOOTROM, -1
112 79 },
113 /* 80 /*
114 * Setup the Window to the BootROM for Standby and Sleep Resume 81 * Window to the PMU Scratch Pad space
115 */ 82 */
116 setup_cpu_win(5, DOVE_BOOTROM_PHYS_BASE, DOVE_BOOTROM_SIZE, 83 { 6, DOVE_SCRATCHPAD_PHYS_BASE, DOVE_SCRATCHPAD_SIZE,
117 TARGET_BOOTROM, ATTR_BOOTROM, -1); 84 TARGET_SCRATCHPAD, ATTR_SCRATCHPAD, -1
85 },
86 /* End marker */
87 { -1, 0, 0, 0, 0, 0 }
88};
89
90void __init dove_setup_cpu_mbus(void)
91{
92 int i;
93 int cs;
118 94
119 /* 95 /*
120 * Setup the Window to the PMU Scratch Pad space 96 * Disable, clear and configure windows.
121 */ 97 */
122 setup_cpu_win(6, DOVE_SCRATCHPAD_PHYS_BASE, DOVE_SCRATCHPAD_SIZE, 98 orion_config_wins(&addr_map_cfg, addr_map_info);
123 TARGET_SCRATCHPAD, ATTR_SCRATCHPAD, -1);
124 99
125 /* 100 /*
126 * Setup MBUS dram target info. 101 * Setup MBUS dram target info.
127 */ 102 */
128 dove_mbus_dram_info.mbus_dram_target_id = TARGET_DDR; 103 orion_mbus_dram_info.mbus_dram_target_id = TARGET_DDR;
129 104
130 for (i = 0, cs = 0; i < 2; i++) { 105 for (i = 0, cs = 0; i < 2; i++) {
131 u32 map = readl(ddr_map_sc(i)); 106 u32 map = readl(ddr_map_sc(i));
@@ -136,7 +111,7 @@ void __init dove_setup_cpu_mbus(void)
136 if (map & 1) { 111 if (map & 1) {
137 struct mbus_dram_window *w; 112 struct mbus_dram_window *w;
138 113
139 w = &dove_mbus_dram_info.cs[cs++]; 114 w = &orion_mbus_dram_info.cs[cs++];
140 w->cs_index = i; 115 w->cs_index = i;
141 w->mbus_attr = 0; /* CS address decoding done inside */ 116 w->mbus_attr = 0; /* CS address decoding done inside */
142 /* the DDR controller, no need to */ 117 /* the DDR controller, no need to */
@@ -145,5 +120,5 @@ void __init dove_setup_cpu_mbus(void)
145 w->size = 0x100000 << (((map & 0x000f0000) >> 16) - 4); 120 w->size = 0x100000 << (((map & 0x000f0000) >> 16) - 4);
146 } 121 }
147 } 122 }
148 dove_mbus_dram_info.num_cs = cs; 123 orion_mbus_dram_info.num_cs = cs;
149} 124}