diff options
Diffstat (limited to 'board/freescale')
| -rw-r--r-- | board/freescale/mx50_arm2/flash_header.S | 425 |
1 files changed, 425 insertions, 0 deletions
diff --git a/board/freescale/mx50_arm2/flash_header.S b/board/freescale/mx50_arm2/flash_header.S index 3e44451..8b0edca 100644 --- a/board/freescale/mx50_arm2/flash_header.S +++ b/board/freescale/mx50_arm2/flash_header.S @@ -60,6 +60,7 @@ plugin2: .long 0x0 *===========================================================================*/ plugin_start: + /* Save the return address and the function arguments */ push {r0-r2, lr} @@ -416,6 +417,430 @@ wait_pll1_lock: ldr r1, [r0, #0xa8] ands r1, r1, #0x10 beq 1b + +#elif defined(CONFIG_DDR2) + +/* DDR clock setting -- Set DDR to be div 3 to get 266MHz */ + ldr r0, =CCM_BASE_ADDR + ldr r1, =0xA0000043 + str r1, [r0, #0x94] + +/* DDR clock from PLL1 */ + ldr r1, =0x00000803 + str r1, [r0, #0x90] + +/* ---------- IOMUX SETUP ---------- */ +/* 0x53fa86ac = 0x02000000 IOMUXC_SW_PAD_CTL_GRP_DDR_TYPE, ddr_sel=2'b01*/ + ldr r0, =0x53fa8600 + mov r1, #0x02000000 + mov r3, #0x00200000 + mov r2, #0x0 + str r1, [r0, #0xac] +/* These DSE values seem to make thing work */ +/* 0x53fa86a4 = 0x00200000 IOMUXC_SW_PAD_CTL_GRP_CTLDS, dse=3'b100*/ + str r3, [r0, #0xa4] +/* 0x53fa8668 = 0x00200000 IOMUXC_SW_PAD_CTL_GRP_ADDDS, dse=3'b100*/ + str r3, [r0, #0x68] +/* 0x53fa8698 = 0x00200000 IOMUXC_SW_PAD_CTL_GRP_B0DS, dse=3'b100*/ + str r3, [r0, #0x98] +/* 0x53fa86a0 = 0x00200000 IOMUXC_SW_PAD_CTL_GRP_B1DS, dse=3'b100*/ + str r3, [r0, #0xa0] +/* 0x53fa86a8 = 0x00200000 IOMUXC_SW_PAD_CTL_GRP_B2DS, dse=3'b100*/ + str r3, [r0, #0xa8] +/* 0x53fa86b4 = 0x00200000 IOMUXC_SW_PAD_CTL_GRP_B3DS, dse=3'b100*/ + str r3, [r0, #0xb4] +/* 0x53fa8498 = 0x00200000 IOMUXC_SW_PAD_CTL_PAD_DRAM_SDCLK_1 */ + ldr r0, =0x53fa8400 + str r3, [r0, #0x98] +/* 0x53fa849c = 0x00200000 IOMUXC_SW_PAD_CTL_PAD_DRAM_SDCLK_0 */ + str r3, [r0, #0x9c] +/* 0x53fa84f0 = 0x00200000 IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM0, dse=3'b100*/ + str r3, [r0, #0xf0] +/* 0x53fa8500 = 0x00200000 IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM1, dse=3'b100*/ + ldr r0, =0x53fa8500 + str r3, [r0, #0x00] +/* 0x53fa84c8 = 0x00200000 IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM2, dse=3'b100*/ + ldr r0, =0x53fa8400 + str r3, [r0, #0xc8] +/* 0x53fa8528 = 0x00200000 IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM3, dse=3'b100*/ + ldr r0, =0x53fa8500 + str r3, [r0, #0x28] + +/* 0x53fa84f4 = 0x00200080 + IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS0, dse=3'b100 , pke=1, pue=1 + */ + ldr r0, =0x53fa8400 + orr r3, r3,#0x00000080 + str r3, [r0, #0xf4] + +/* 0x53fa84fc = 0x00200080 + IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS1, dse=3'b100 , pke=1, pue=1 + */ + str r3, [r0, #0xfc] + +/* 0x53fa84cc = 0x00200080 + IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS2, dse=3'b100 , pke=1, pue=1 + */ + str r3, [r0, #0xcc] + ldr r0, =0x53fa8500 + +/* 0x53fa8524 = 0x00200080 + IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS3, dse=3'b100 , pke=1, pue=1 + */ + str r3, [r0, #0x24] + +/* ---------- DDR SETUP ---------- */ +/* ldr r0, =CSP_BASE_REG_PA_DATABAHN */ + ldr r0, =0x14000000 + +/* CTL setting */ +/* setmem /32 0x14000000 = 0x00000400 */ + ldr r1, =0x00000400 + str r1, [r0, #0x0] +/* setmem /32 0x14000004 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x4] +/* setmem /32 0x14000008 = 0x0000d056 */ + ldr r1, =0x0000d056 + str r1, [r0, #0x8] +/* setmem /32 0x1400000c = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0xc] +/* setmem /32 0x14000010 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x10] +/* setmem /32 0x14000014 = 0x02000000 */ + ldr r1, =0x02000000 + str r1, [r0, #0x14] +/* setmem /32 0x14000018 = 0x02030808 */ + ldr r1, =0x02030808 + str r1, [r0, #0x18] +/* setmem /32 0x1400001c = 0x0c100302 */ + ldr r1, =0x0c100302 + str r1, [r0, #0x1c] +/* setmem /32 0x14000020 = 0x02020402 */ + ldr r1, =0x02020402 + str r1, [r0, #0x20] +/* setmem /32 0x14000024 = 0x0048eb04 */ + ldr r1, =0x0048eb04 + str r1, [r0, #0x24] +/* setmem /32 0x14000028 = 0x01000303 */ + ldr r1, =0x01000303 + str r1, [r0, #0x28] +/* setmem /32 0x1400002c = 0x08040401 */ + ldr r1, =0x08040401 + str r1, [r0, #0x2c] +/* setmem /32 0x14000030 = 0x000000c8 */ + ldr r1, =0x000000c8 + str r1, [r0, #0x30] +/* setmem /32 0x14000034 = 0x006b0c02 */ + ldr r1, =0x006b0c02 + str r1, [r0, #0x34] +/* setmem /32 0x14000038 = 0x00000005 */ + ldr r1, =0x00000005 + str r1, [r0, #0x38] +/* setmem /32 0x1400003c = 0x00003401 */ + ldr r1, =0x00003401 + str r1, [r0, #0x3c] +/* setmem /32 0x14000040 = 0x0005081b */ + ldr r1, =0x0005081b + str r1, [r0, #0x40] +/* setmem /32 0x14000044 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x44] +/* setmem /32 0x14000048 = 0x003700c8 */ + ldr r1, =0x003700c8 + str r1, [r0, #0x48] +/* setmem /32 0x1400004c = 0x00010000 */ + ldr r1, =0x00010000 + str r1, [r0, #0x4c] +/* setmem /32 0x14000050 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x50] +/* setmem /32 0x14000054 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x54] +/* setmem /32 0x14000058 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x58] +/* setmem /32 0x1400005c = 0x03000000 */ + ldr r1, =0x03000000 + str r1, [r0, #0x5c] +/* setmem /32 0x14000060 = 0x00000003 */ + ldr r1, =0x00000003 + str r1, [r0, #0x60] +/* setmem /32 0x14000064 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x64] +/* setmem /32 0x14000068 = 0x06420000 */ + ldr r1, =0x06420000 + str r1, [r0, #0x68] +/* setmem /32 0x1400006c = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x6c] +/* setmem /32 0x14000070 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x70] +/* setmem /32 0x14000074 = 0x06420000 */ + ldr r1, =0x06420000 + str r1, [r0, #0x74] +/* setmem /32 0x14000078 = 0x00000004 */ + ldr r1, =0x00000004 + str r1, [r0, #0x78] +/* setmem /32 0x1400007c = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x7c] +/* setmem /32 0x14000080 = 0x02000000 */ + ldr r1, =0x02000000 + str r1, [r0, #0x80] +/* setmem /32 0x14000084 = 0x00000100 */ + ldr r1, =0x00000100 + str r1, [r0, #0x84] +/* setmem /32 0x14000088 = 0x02400040 */ + ldr r1, =0x02400040 + str r1, [r0, #0x88] +/* setmem /32 0x1400008c = 0x01000000 */ + ldr r1, =0x01000000 + str r1, [r0, #0x8c] +/* setmem /32 0x14000090 = 0x0a000101 */ + ldr r1, =0x0a000101 + str r1, [r0, #0x90] +/* setmem /32 0x14000094 = 0x01011f1f */ + ldr r1, =0x01011f1f + str r1, [r0, #0x94] +/* setmem /32 0x14000098 = 0x01010101 */ + ldr r1, =0x01010101 + str r1, [r0, #0x98] +/* setmem /32 0x1400009c = 0x00030103 */ + ldr r1, =0x00030103 + str r1, [r0, #0x9c] +/* setmem /32 0x140000a0 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0xa0] +/* setmem /32 0x140000a4 = 0x00010000 */ + ldr r1, =0x00010000 + str r1, [r0, #0xa4] +/* setmem /32 0x140000a8 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0xa8] +/* setmem /32 0x140000ac = 0x0000ffff */ + ldr r1, =0x0000ffff + str r1, [r0, #0xac] +/* setmem /32 0x140000b0 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0xb0] +/* setmem /32 0x140000b4 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0xb4] +/* setmem /32 0x140000b8 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0xb8] +/* setmem /32 0x140000bc = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0xbc] +/* setmem /32 0x140000c0 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0xc0] +/* setmem /32 0x140000c4 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0xc4] +/* setmem /32 0x140000c8 = 0x02020101 */ + ldr r1, =0x02020101 + str r1, [r0, #0xc8] +/* setmem /32 0x140000cc = 0x01000000 */ + ldr r1, =0x01000000 + str r1, [r0, #0xcc] +/* setmem /32 0x140000d0 = 0x01010201 */ + ldr r1, =0x01010201 + str r1, [r0, #0xd0] +/* setmem /32 0x140000d4 = 0x00000200 */ + ldr r1, =0x00000200 + str r1, [r0, #0xd4] +/* setmem /32 0x140000d8 = 0x00000101 */ + ldr r1, =0x00000101 + str r1, [r0, #0xd8] +/* setmem /32 0x140000dc = 0x0003ffff */ + ldr r1, =0x0003ffff + str r1, [r0, #0xdc] +/* setmem /32 0x140000e0 = 0x0000ffff */ + ldr r1, =0x0000ffff + str r1, [r0, #0xe0] +/* setmem /32 0x140000e4 = 0x02020000 */ + ldr r1, =0x02020000 + str r1, [r0, #0xe4] +/* setmem /32 0x140000e8 = 0x02020202 */ + ldr r1, =0x02020202 + str r1, [r0, #0xe8] +/* setmem /32 0x140000ec = 0x00000202 */ + ldr r1, =0x00000202 + str r1, [r0, #0xec] +/* setmem /32 0x140000f0 = 0x01010064 */ + ldr r1, =0x01010064 + str r1, [r0, #0xf0] +/* setmem /32 0x140000f4 = 0x01010101 */ + ldr r1, =0x01010101 + str r1, [r0, #0xf4] +/* setmem /32 0x140000f8 = 0x00010101 */ + ldr r1, =0x00010101 + str r1, [r0, #0xf8] +/* setmem /32 0x140000fc = 0x00000064 */ + ldr r1, =0x00000064 + str r1, [r0, #0xfc] +/* setmem /32 0x14000100 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x100] +/* setmem /32 0x14000104 = 0x02000702 */ + ldr r1, =0x02000702 + str r1, [r0, #0x104] +/* setmem /32 0x14000108 = 0x081b0000 */ + ldr r1, =0x081b0000 + str r1, [r0, #0x108] +/* setmem /32 0x1400010c = 0x081b081b */ + ldr r1, =0x081b081b + str r1, [r0, #0x10c] +/* setmem /32 0x14000110 = 0x081b081b */ + ldr r1, =0x081b081b + str r1, [r0, #0x110] +/* setmem /32 0x14000114 = 0x0304081b */ + ldr r1, =0x0304081b + str r1, [r0, #0x114] +/* setmem /32 0x14000118 = 0x01010002 */ + ldr r1, =0x01010002 + str r1, [r0, #0x118] +/* setmem /32 0x1400011c = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x11c] +/* setmem /32 0x14000120 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x120] +/* setmem /32 0x14000124 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x124] +/* setmem /32 0x14000128 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x128] +/* setmem /32 0x1400012c = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x12c] +/* setmem /32 0x14000130 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x130] +/* setmem /32 0x14000134 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x134] +/* setmem /32 0x14000138 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x138] +/* setmem /32 0x1400013c = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x13c] +/* setmem /32 0x14000140 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x140] +/* setmem /32 0x14000144 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x144] +/* setmem /32 0x14000148 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x148] +/* setmem /32 0x1400014c = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x14c] +/* setmem /32 0x14000150 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x150] +/* setmem /32 0x14000154 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x154] +/* setmem /32 0x14000158 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x158] + +/* PHY setting */ +/* setmem /32 0x14000200 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x200] +/* setmem /32 0x14000204 = 0x000f1100 */ + ldr r1, =0x000f1100 + str r1, [r0, #0x204] +/* setmem /32 0x14000208 = 0xf4013a27 */ + ldr r1, =0xf4013a27 + str r1, [r0, #0x208] +/* setmem /32 0x1400020c = 0x26c002c0 */ + ldr r1, =0x26c002c0 + str r1, [r0, #0x20c] +/* setmem /32 0x14000210 = 0xf4013a27 */ + ldr r1, =0xf4013a27 + str r1, [r0, #0x210] +/* setmem /32 0x14000214 = 0x26c002c0 */ + ldr r1, =0x26c002c0 + str r1, [r0, #0x214] +/* setmem /32 0x14000218 = 0xf4013a27 */ + ldr r1, =0xf4013a27 + str r1, [r0, #0x218] +/* setmem /32 0x1400021c = 0x26c002c0 */ + ldr r1, =0x26c002c0 + str r1, [r0, #0x21c] +/* setmem /32 0x14000220 = 0xf4013a27 */ + ldr r1, =0xf4013a27 + str r1, [r0, #0x220] +/* setmem /32 0x14000224 = 0x26c002c0 */ + ldr r1, =0x26c002c0 + str r1, [r0, #0x224] +/* setmem /32 0x14000228 = 0xf4013a27 */ + ldr r1, =0xf4013a27 + str r1, [r0, #0x228] +/* setmem /32 0x1400022c = 0x26c002c0 */ + ldr r1, =0x26c002c0 + str r1, [r0, #0x22c] +/* setmem /32 0x14000230 = 0x00000000 */ + ldr r1, =0x00000000 + str r1, [r0, #0x230] +/* setmem /32 0x14000234 = 0x00000005 */ + ldr r1, =0x00000005 + str r1, [r0, #0x234] +/* setmem /32 0x14000238 = 0x20099d14 */ + ldr r1, =0x20099d14 + str r1, [r0, #0x238] +/* setmem /32 0x1400023c = 0x000a1f01 */ + ldr r1, =0x000a1f01 + str r1, [r0, #0x23c] +/* setmem /32 0x14000240 = 0x20099d14 */ + ldr r1, =0x20099d14 + str r1, [r0, #0x240] +/* setmem /32 0x14000244 = 0x000a1f01 */ + ldr r1, =0x000a1f01 + str r1, [r0, #0x244] +/* setmem /32 0x14000248 = 0x20099d14 */ + ldr r1, =0x20099d14 + str r1, [r0, #0x248] +/* setmem /32 0x1400024c = 0x000a1f01 */ + ldr r1, =0x000a1f01 + str r1, [r0, #0x24c] +/* setmem /32 0x14000250 = 0x20099d14 */ + ldr r1, =0x20099d14 + str r1, [r0, #0x250] +/* setmem /32 0x14000254 = 0x000a1f01 */ + ldr r1, =0x000a1f01 + str r1, [r0, #0x254] +/* setmem /32 0x14000258 = 0x20099d14 */ + ldr r1, =0x20099d14 + str r1, [r0, #0x258] +/* setmem /32 0x1400025c = 0x000a1f01 */ + ldr r1, =0x000a1f01 + str r1, [r0, #0x25c] + +/* Start ddr */ +/* setmem /32 0x14000000 = 0x00000401 // bit[0]: start */ + ldr r1, =0x00000401 + str r1, [r0, #0x0] + +/* poll to make sure it is done */ +1: + ldr r1, [r0, #0xa8] + ands r1, r1, #0x10 + beq 1b + #else /*================================================================== |