diff options
Diffstat (limited to 'arch/arm/mach-orion5x/addr-map.c')
-rw-r--r-- | arch/arm/mach-orion5x/addr-map.c | 66 |
1 files changed, 3 insertions, 63 deletions
diff --git a/arch/arm/mach-orion5x/addr-map.c b/arch/arm/mach-orion5x/addr-map.c index 9608503d67f5..e63fb05dc893 100644 --- a/arch/arm/mach-orion5x/addr-map.c +++ b/arch/arm/mach-orion5x/addr-map.c | |||
@@ -34,11 +34,7 @@ | |||
34 | * Non-CPU Masters address decoding -- | 34 | * Non-CPU Masters address decoding -- |
35 | * Unlike the CPU, we setup the access from Orion's master interfaces to DDR | 35 | * Unlike the CPU, we setup the access from Orion's master interfaces to DDR |
36 | * banks only (the typical use case). | 36 | * banks only (the typical use case). |
37 | * Setup access for each master to DDR is issued by common.c. | 37 | * Setup access for each master to DDR is issued by platform device setup. |
38 | * | ||
39 | * Note: although orion_setbits() and orion_clrbits() are not atomic | ||
40 | * no locking is necessary here since code in this file is only called | ||
41 | * at boot time when there is no concurrency issues. | ||
42 | */ | 38 | */ |
43 | 39 | ||
44 | /* | 40 | /* |
@@ -48,10 +44,6 @@ | |||
48 | #define TARGET_DEV_BUS 1 | 44 | #define TARGET_DEV_BUS 1 |
49 | #define TARGET_PCI 3 | 45 | #define TARGET_PCI 3 |
50 | #define TARGET_PCIE 4 | 46 | #define TARGET_PCIE 4 |
51 | #define ATTR_DDR_CS(n) (((n) ==0) ? 0xe : \ | ||
52 | ((n) == 1) ? 0xd : \ | ||
53 | ((n) == 2) ? 0xb : \ | ||
54 | ((n) == 3) ? 0x7 : 0xf) | ||
55 | #define ATTR_PCIE_MEM 0x59 | 47 | #define ATTR_PCIE_MEM 0x59 |
56 | #define ATTR_PCIE_IO 0x51 | 48 | #define ATTR_PCIE_IO 0x51 |
57 | #define ATTR_PCIE_WA 0x79 | 49 | #define ATTR_PCIE_WA 0x79 |
@@ -61,17 +53,12 @@ | |||
61 | #define ATTR_DEV_CS1 0x1d | 53 | #define ATTR_DEV_CS1 0x1d |
62 | #define ATTR_DEV_CS2 0x1b | 54 | #define ATTR_DEV_CS2 0x1b |
63 | #define ATTR_DEV_BOOT 0xf | 55 | #define ATTR_DEV_BOOT 0xf |
64 | #define WIN_EN 1 | ||
65 | 56 | ||
66 | /* | 57 | /* |
67 | * Helpers to get DDR bank info | 58 | * Helpers to get DDR bank info |
68 | */ | 59 | */ |
69 | #define DDR_BASE_CS(n) ORION5X_DDR_REG(0x1500 + ((n) * 8)) | 60 | #define DDR_BASE_CS(n) ORION5X_DDR_REG(0x1500 + ((n) << 3)) |
70 | #define DDR_SIZE_CS(n) ORION5X_DDR_REG(0x1504 + ((n) * 8)) | 61 | #define DDR_SIZE_CS(n) ORION5X_DDR_REG(0x1504 + ((n) << 3)) |
71 | #define DDR_MAX_CS 4 | ||
72 | #define DDR_REG_TO_SIZE(reg) (((reg) | 0xffffff) + 1) | ||
73 | #define DDR_REG_TO_BASE(reg) ((reg) & 0xff000000) | ||
74 | #define DDR_BANK_EN 1 | ||
75 | 62 | ||
76 | /* | 63 | /* |
77 | * CPU Address Decode Windows registers | 64 | * CPU Address Decode Windows registers |
@@ -81,17 +68,6 @@ | |||
81 | #define CPU_WIN_REMAP_LO(n) ORION5X_BRIDGE_REG(0x008 | ((n) << 4)) | 68 | #define CPU_WIN_REMAP_LO(n) ORION5X_BRIDGE_REG(0x008 | ((n) << 4)) |
82 | #define CPU_WIN_REMAP_HI(n) ORION5X_BRIDGE_REG(0x00c | ((n) << 4)) | 69 | #define CPU_WIN_REMAP_HI(n) ORION5X_BRIDGE_REG(0x00c | ((n) << 4)) |
83 | 70 | ||
84 | /* | ||
85 | * Gigabit Ethernet Address Decode Windows registers | ||
86 | */ | ||
87 | #define ETH_WIN_BASE(win) ORION5X_ETH_REG(0x200 + ((win) * 8)) | ||
88 | #define ETH_WIN_SIZE(win) ORION5X_ETH_REG(0x204 + ((win) * 8)) | ||
89 | #define ETH_WIN_REMAP(win) ORION5X_ETH_REG(0x280 + ((win) * 4)) | ||
90 | #define ETH_WIN_EN ORION5X_ETH_REG(0x290) | ||
91 | #define ETH_WIN_PROT ORION5X_ETH_REG(0x294) | ||
92 | #define ETH_MAX_WIN 6 | ||
93 | #define ETH_MAX_REMAP_WIN 4 | ||
94 | |||
95 | 71 | ||
96 | struct mbus_dram_target_info orion5x_mbus_dram_info; | 72 | struct mbus_dram_target_info orion5x_mbus_dram_info; |
97 | 73 | ||
@@ -202,39 +178,3 @@ void __init orion5x_setup_pcie_wa_win(u32 base, u32 size) | |||
202 | { | 178 | { |
203 | setup_cpu_win(7, base, size, TARGET_PCIE, ATTR_PCIE_WA, -1); | 179 | setup_cpu_win(7, base, size, TARGET_PCIE, ATTR_PCIE_WA, -1); |
204 | } | 180 | } |
205 | |||
206 | void __init orion5x_setup_eth_wins(void) | ||
207 | { | ||
208 | int i; | ||
209 | |||
210 | /* | ||
211 | * First, disable and clear windows | ||
212 | */ | ||
213 | for (i = 0; i < ETH_MAX_WIN; i++) { | ||
214 | orion5x_write(ETH_WIN_BASE(i), 0); | ||
215 | orion5x_write(ETH_WIN_SIZE(i), 0); | ||
216 | orion5x_setbits(ETH_WIN_EN, 1 << i); | ||
217 | orion5x_clrbits(ETH_WIN_PROT, 0x3 << (i * 2)); | ||
218 | if (i < ETH_MAX_REMAP_WIN) | ||
219 | orion5x_write(ETH_WIN_REMAP(i), 0); | ||
220 | } | ||
221 | |||
222 | /* | ||
223 | * Setup windows for DDR banks. | ||
224 | */ | ||
225 | for (i = 0; i < DDR_MAX_CS; i++) { | ||
226 | u32 base, size; | ||
227 | size = orion5x_read(DDR_SIZE_CS(i)); | ||
228 | base = orion5x_read(DDR_BASE_CS(i)); | ||
229 | if (size & DDR_BANK_EN) { | ||
230 | base = DDR_REG_TO_BASE(base); | ||
231 | size = DDR_REG_TO_SIZE(size); | ||
232 | orion5x_write(ETH_WIN_SIZE(i), (size-1) & 0xffff0000); | ||
233 | orion5x_write(ETH_WIN_BASE(i), (base & 0xffff0000) | | ||
234 | (ATTR_DDR_CS(i) << 8) | | ||
235 | TARGET_DDR); | ||
236 | orion5x_clrbits(ETH_WIN_EN, 1 << i); | ||
237 | orion5x_setbits(ETH_WIN_PROT, 0x3 << (i * 2)); | ||
238 | } | ||
239 | } | ||
240 | } | ||