diff options
Diffstat (limited to 'arch/arm/mach-aspeed/platform_g4.S')
| -rw-r--r-- | arch/arm/mach-aspeed/platform_g4.S | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/arm/mach-aspeed/platform_g4.S b/arch/arm/mach-aspeed/platform_g4.S index cbe6786f9a..0cdbdbfccf 100644 --- a/arch/arm/mach-aspeed/platform_g4.S +++ b/arch/arm/mach-aspeed/platform_g4.S @@ -48,6 +48,12 @@ * Modified list from v0.60 * EC1. Modify DDR2 init preliminary size to 1Gbit, and BL=4. * + * Modified list from v0.61 + * EC1. Set for wide screen supporting, 0x1e6e2040[0] = 1 + * + * Modified list from v0.62 + * EC1. Clear MCR04[10] = 0 before doing DRAM initial + * * Optional define variable * 1. DRAM Speed // * CONFIG_DRAM_336 // 336MHz (DDR-667) @@ -422,6 +428,8 @@ delay_0: /* Reset MMC */ ldr r1, =0x00000000 + ldr r0, =0x1e6e0004 + str r1, [r0] ldr r0, =0x1e6e0034 str r1, [r0] ldr r0, =0x1e6e0018 @@ -454,7 +462,7 @@ delay_1: str r1, [r0] ldr r0, =0x1e6e0008 - ldr r1, =0x0090040f /* VGA */ + ldr r1, =0x0090040f /* VGA : remember to clear MCR04[10] = 0 */ str r1, [r0] ldr r0, =0x1e6e0018 @@ -2555,7 +2563,7 @@ set_scratch: /*Set Scratch register Bit 6 after ddr initial finished */ ldr r0, =0x1e6e2040 ldr r1, [r0] - orr r1, r1, #0x40 + orr r1, r1, #0x41 str r1, [r0] /* Debug - UART console message */ |
