From: Minkyu Kang Date: Thu, 21 May 2009 08:55:55 +0000 (+0900) Subject: [S5PC100] Set DRAM I/O Drive-strength X-Git-Tag: s5pc110_universal_support~299 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=713f1b9aabb96b7f9dd9f400e0a0f145320f48ef;p=kernel%2Fu-boot.git [S5PC100] Set DRAM I/O Drive-strength Signed-off-by: Minkyu Kang --- diff --git a/board/samsung/tt/lowlevel_init.S b/board/samsung/tt/lowlevel_init.S index 6be8ff3..d68b7da 100644 --- a/board/samsung/tt/lowlevel_init.S +++ b/board/samsung/tt/lowlevel_init.S @@ -130,6 +130,17 @@ interrupt_pending_loop: # cmp r1, #0x8 # beq wakeup_reset + /* DRAM I/O Drive-Strength */ + ldr r0, =ELFIN_GPIO_BASE + ldr r1, =0x5555 + str r1, [r0, #MP_0DRV_OFFSET] + str r1, [r0, #MP_1DRV_OFFSET] + str r1, [r0, #MP_2DRV_OFFSET] + str r1, [r0, #MP_3DRV_OFFSET] + str r1, [r0, #MP_4DRV_OFFSET] + str r1, [r0, #MP_5DRV_OFFSET] + str r1, [r0, #MP_6DRV_OFFSET] + str r1, [r0, #MP_7DRV_OFFSET] 1: mov lr, r12 mov pc, lr diff --git a/include/s5pc100.h b/include/s5pc100.h index 09ee480..d19488a 100644 --- a/include/s5pc100.h +++ b/include/s5pc100.h @@ -394,6 +394,22 @@ #define GPL4PDNCON_OFFSET PDNCON_OFFSET(0x1D) #define GPL4PDNPULL_OFFSET PDNPULL_OFFSET(0x1D) +#define MP_0PULL_OFFSET 0x3C8 +#define MP_0DRV_OFFSET 0x3CC +#define MP_0DNPULL_OFFSET 0x3D4 +#define MP_1PULL_OFFSET 0x3E8 +#define MP_1DRV_OFFSET 0x3EC +#define MP_1DNPULL_OFFSET 0x3F4 +#define MP_2PULL_OFFSET 0x408 +#define MP_2DRV_OFFSET 0x40C +#define MP_2DNPULL_OFFSET 0x414 +#define MP_3DRV_OFFSET 0x42C +#define MP_4DRV_OFFSET 0x44C +#define MP_5DRV_OFFSET 0x46C +#define MP_6DRV_OFFSET 0x48C +#define MP_7DRV_OFFSET 0x4AC +#define MP_8DRV_OFFSET 0x4CC + #define EINTPEND_OFFSET 0xA00 /*