diff options
Diffstat (limited to 'board/samsung/smdkc100/mem_setup.S')
| -rw-r--r-- | board/samsung/smdkc100/mem_setup.S | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/board/samsung/smdkc100/mem_setup.S b/board/samsung/smdkc100/mem_setup.S deleted file mode 100644 index 2f2df0b7eb..0000000000 --- a/board/samsung/smdkc100/mem_setup.S +++ /dev/null @@ -1,181 +0,0 @@ -/* - * Originates from Samsung's u-boot 1.1.6 port to S5PC1xx - * - * Copyright (C) 2009 Samsung Electrnoics - * Inki Dae <inki.dae@samsung.com> - * Heungjun Kim <riverful.kim@samsung.com> - * Minkyu Kang <mk7.kang@samsung.com> - * Kyungmin Park <kyungmin.park@samsung.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <config.h> - - .globl mem_ctrl_asm_init -mem_ctrl_asm_init: - ldr r6, =S5PC100_DMC_BASE @ 0xE6000000 - - /* DLL parameter setting */ - ldr r1, =0x50101000 - str r1, [r6, #0x018] @ PHYCONTROL0 - ldr r1, =0xf4 - str r1, [r6, #0x01C] @ PHYCONTROL1 - ldr r1, =0x0 - str r1, [r6, #0x020] @ PHYCONTROL2 - - /* DLL on */ - ldr r1, =0x50101002 - str r1, [r6, #0x018] @ PHYCONTROL0 - - /* DLL start */ - ldr r1, =0x50101003 - str r1, [r6, #0x018] @ PHYCONTROL0 - - /* Force value locking for DLL off */ - str r1, [r6, #0x018] @ PHYCONTROL0 - - /* DLL off */ - ldr r1, =0x50101001 - str r1, [r6, #0x018] @ PHYCONTROL0 - - /* auto refresh off */ - ldr r1, =0xff001010 - str r1, [r6, #0x000] @ CONCONTROL - - /* - * Burst Length 4, 2 chips, 32-bit, LPDDR - * OFF: dynamic self refresh, force precharge, dynamic power down off - */ - ldr r1, =0x00212100 - str r1, [r6, #0x004] @ MEMCONTROL - - /* - * Note: - * If Bank0 has OneDRAM we place it at 0x2800'0000 - * So finally Bank1 should address start at at 0x2000'0000 - */ - mov r4, #0x0 - -swap_memory: - /* - * Bank0 - * 0x30 -> 0x30000000 - * 0xf8 -> 0x37FFFFFF - * [15:12] 0: Linear - * [11:8 ] 2: 9 bits - * [ 7:4 ] 2: 14 bits - * [ 3:0 ] 2: 4 banks - */ - ldr r1, =0x30f80222 - /* if r4 is 1, swap the bank */ - cmp r4, #0x1 - orreq r1, r1, #0x08000000 - str r1, [r6, #0x008] @ MEMCONFIG0 - - /* - * Bank1 - * 0x38 -> 0x38000000 - * 0xf8 -> 0x3fFFFFFF - * [15:12] 0: Linear - * [11:8 ] 2: 9 bits - * [ 7:4 ] 2: 14 bits - * [ 3:0 ] 2: 4 banks - */ - ldr r1, =0x38f80222 - /* if r4 is 1, swap the bank */ - cmp r4, #0x1 - biceq r1, r1, #0x08000000 - str r1, [r6, #0x00c] @ MEMCONFIG1 - - ldr r1, =0x20000000 - str r1, [r6, #0x014] @ PRECHCONFIG - - /* - * FIXME: Please verify these values - * 7.8us * 166MHz %LE %LONG1294(0x50E) - * 7.8us * 133MHz %LE %LONG1038(0x40E), - * 7.8us * 100MHz %LE %LONG780(0x30C), - * 7.8us * 20MHz %LE %LONG156(0x9C), - * 7.8us * 10MHz %LE %LONG78(0x4E) - */ - ldr r1, =0x0000050e - str r1, [r6, #0x030] @ TIMINGAREF - - /* 166 MHz */ - ldr r1, =0x0c233287 - str r1, [r6, #0x034] @ TIMINGROW - - /* twtr=3 twr=2 trtp=3 cl=3 wl=3 rl=3 */ - ldr r1, =0x32330303 - str r1, [r6, #0x038] @ TIMINGDATA - - /* tfaw=4 sxsr=0x14 txp=0x14 tcke=3 tmrd=3 */ - ldr r1, =0x04141433 - str r1, [r6, #0x03C] @ TIMINGPOWER - - /* chip0 Deselect */ - ldr r1, =0x07000000 - str r1, [r6, #0x010] @ DIRECTCMD - - /* chip0 PALL */ - ldr r1, =0x01000000 - str r1, [r6, #0x010] @ DIRECTCMD - - /* chip0 REFA */ - ldr r1, =0x05000000 - str r1, [r6, #0x010] @ DIRECTCMD - /* chip0 REFA */ - str r1, [r6, #0x010] @ DIRECTCMD - - /* chip0 MRS, CL%LE %LONG3, BL%LE %LONG4 */ - ldr r1, =0x00000032 - str r1, [r6, #0x010] @ DIRECTCMD - - /* chip1 Deselect */ - ldr r1, =0x07100000 - str r1, [r6, #0x010] @ DIRECTCMD - - /* chip1 PALL */ - ldr r1, =0x01100000 - str r1, [r6, #0x010] @ DIRECTCMD - - /* chip1 REFA */ - ldr r1, =0x05100000 - str r1, [r6, #0x010] @ DIRECTCMD - /* chip1 REFA */ - str r1, [r6, #0x010] @ DIRECTCMD - - /* chip1 MRS, CL%LE %LONG3, BL%LE %LONG4 */ - ldr r1, =0x00100032 - str r1, [r6, #0x010] @ DIRECTCMD - - /* auto refresh on */ - ldr r1, =0xff002030 - str r1, [r6, #0x000] @ CONCONTROL - - /* PwrdnConfig */ - ldr r1, =0x00100002 - str r1, [r6, #0x028] @ PWRDNCONFIG - - /* BL%LE %LONG */ - ldr r1, =0xff212100 - str r1, [r6, #0x004] @ MEMCONTROL - - - /* Try to test memory area */ - cmp r4, #0x1 - beq 1f - - mov r4, #0x1 - ldr r1, =0x37ffff00 - str r4, [r1] - str r4, [r1, #0x4] @ dummy write - ldr r0, [r1] - cmp r0, r4 - bne swap_memory - -1: - mov pc, lr - - .ltorg |