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Diffstat (limited to 'board/samsung/goni/mem_setup.S')
| -rw-r--r-- | board/samsung/goni/mem_setup.S | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/board/samsung/goni/mem_setup.S b/board/samsung/goni/mem_setup.S new file mode 100644 index 0000000..c4d2845 --- /dev/null +++ b/board/samsung/goni/mem_setup.S @@ -0,0 +1,265 @@ +/* + * Copyright (C) 2009 Samsung Electrnoics + * Minkyu Kang <mk7.kang@samsung.com> + * Kyungmin Park <kyungmin.park@samsung.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <config.h> + + .globl mem_ctrl_asm_init +mem_ctrl_asm_init: + cmp r7, r8 + + ldreq r0, =S5PC100_DMC_BASE @ 0xE6000000 + ldrne r0, =S5PC110_DMC0_BASE @ 0xF0000000 + ldrne r6, =S5PC110_DMC1_BASE @ 0xF1400000 + + /* DLL parameter setting */ + ldr r1, =0x50101000 + str r1, [r0, #0x018] @ PHYCONTROL0_OFFSET + strne r1, [r6, #0x018] @ PHYCONTROL0_OFFSET + ldr r1, =0x000000f4 + str r1, [r0, #0x01C] @ PHYCONTROL1_OFFSET + strne r1, [r6, #0x01C] @ PHYCONTROL1_OFFSET + ldreq r1, =0x0 + streq r1, [r0, #0x020] @ PHYCONTROL2_OFFSET + + /* DLL on */ + ldr r1, =0x50101002 + str r1, [r0, #0x018] @ PHYCONTROL0_OFFSET + strne r1, [r6, #0x018] @ PHYCONTROL0_OFFSET + + /* DLL start */ + ldr r1, =0x50101003 + str r1, [r0, #0x018] @ PHYCONTROL0_OFFSET + strne r1, [r6, #0x018] @ PHYCONTROL0_OFFSET + + mov r2, #0x4000 +wait: subs r2, r2, #0x1 + cmp r2, #0x0 + bne wait + + cmp r7, r8 + /* Force value locking for DLL off */ + str r1, [r0, #0x018] @ PHYCONTROL0_OFFSET + strne r1, [r6, #0x018] @ PHYCONTROL0_OFFSET + + /* DLL off */ + ldr r1, =0x50101009 + str r1, [r0, #0x018] @ PHYCONTROL0_OFFSET + strne r1, [r6, #0x018] @ PHYCONTROL0_OFFSET + + /* auto refresh off */ + ldr r1, =0xff001010 | (1 << 7) + ldr r2, =0xff001010 | (1 << 7) + str r1, [r0, #0x000] @ CONCONTROL_OFFSET + strne r2, [r6, #0x000] @ CONCONTROL_OFFSET + + /* + * Burst Length 4, 2 chips, 32-bit, LPDDR + * OFF: dynamic self refresh, force precharge, dynamic power down off + */ + ldr r1, =0x00212100 + ldr r2, =0x00212100 + str r1, [r0, #0x004] @ MEMCONTROL_OFFSET + strne r2, [r6, #0x004] @ MEMCONTROL_OFFSET + + /* + * Note: + * If Bank0 has Mobile RAM we place it at 0x3800'0000 (s5pc100 only) + * So finally Bank1 OneDRAM should address start at at 0x3000'0000 + */ + + /* + * DMC0: CS0 : S5PC100/S5PC110 + * 0x30 -> 0x30000000 + * 0xf8 -> 0x37FFFFFF + * [15:12] 0: Linear + * [11:8 ] 2: 9 bits + * [ 7:4 ] 2: 14 bits + * [ 3:0 ] 2: 4 banks + */ + ldr r3, =0x30f80222 + ldr r4, =0x40f00222 +swap_memory: + str r3, [r0, #0x008] @ MEMCONFIG0_OFFSET + str r4, [r0, #0x00C] @ dummy write + + /* + * DMC1: CS0 : S5PC110 + * 0x40 -> 0x40000000 + * 0xf8 -> 0x47FFFFFF (1Gib) + * 0x40 -> 0x40000000 + * 0xf0 -> 0x4FFFFFFF (2Gib) + * [15:12] 0: Linear + * [11:8 ] 2: 9 bits - Col (1Gib) + * [11:8 ] 3: 10 bits - Col (2Gib) + * [ 7:4 ] 2: 14 bits - Row + * [ 3:0 ] 2: 4 banks + */ + /* Default : 2GiB */ + ldr r4, =0x40f01322 @ 2Gib: MCP B + ldr r5, =0x50f81312 @ dummy: MCP D + cmp r9, #1 + ldreq r4, =0x40f81222 @ 1Gib: MCP A + cmp r9, #3 + ldreq r5, =0x50f81312 @ 2Gib + 1Gib: MCP D + cmp r9, #4 + ldreq r5, =0x50f01312 @ 2Gib + 2Gib: MCP E + + cmp r7, r8 + strne r4, [r6, #0x008] @ MEMCONFIG0_OFFSET + strne r5, [r6, #0x00C] @ MEMCONFIG1_OFFSET + + /* + * DMC0: CS1: S5PC100 + * 0x38 -> 0x38000000 + * 0xf8 -> 0x3fFFFFFF + * [15:12] 0: Linear + * [11:8 ] 2: 9 bits + * [ 7:4 ] 2: 14 bits + * [ 3:0 ] 2: 4 banks + */ + eoreq r3, r3, #0x08000000 + streq r3, [r0, #0xc] @ MEMCONFIG1_OFFSET + + ldr r1, =0x20000000 + str r1, [r0, #0x014] @ PRECHCONFIG_OFFSET + strne r1, [r0, #0x014] @ PRECHCONFIG_OFFSET + strne r1, [r6, #0x014] @ PRECHCONFIG_OFFSET + + /* + * S5PC100: + * DMC: CS0: 166MHz + * CS1: 166MHz + * S5PC110: + * DMC0: CS0: 166MHz + * DMC1: CS0: 200MHz + * + * 7.8us * 200MHz %LE %LONG1560(0x618) + * 7.8us * 166MHz %LE %LONG1294(0x50E) + * 7.8us * 133MHz %LE %LONG1038(0x40E), + * 7.8us * 100MHz %LE %LONG780(0x30C), + */ + ldr r1, =0x0000050E + str r1, [r0, #0x030] @ TIMINGAREF_OFFSET + ldrne r1, =0x00000618 + strne r1, [r6, #0x030] @ TIMINGAREF_OFFSET + + ldr r1, =0x14233287 + str r1, [r0, #0x034] @ TIMINGROW_OFFSET + ldrne r1, =0x182332c8 + strne r1, [r6, #0x034] @ TIMINGROW_OFFSET + + ldr r1, =0x12130005 + str r1, [r0, #0x038] @ TIMINGDATA_OFFSET + ldrne r1, =0x13130005 + strne r1, [r6, #0x038] @ TIMINGDATA_OFFSET + + ldr r1, =0x0E140222 + str r1, [r0, #0x03C] @ TIMINGPOWER_OFFSET + ldrne r1, =0x0E180222 + strne r1, [r6, #0x03C] @ TIMINGPOWER_OFFSET + + /* chip0 Deselect */ + ldr r1, =0x07000000 + str r1, [r0, #0x010] @ DIRECTCMD_OFFSET + strne r1, [r6, #0x010] @ DIRECTCMD_OFFSET + + /* chip0 PALL */ + ldr r1, =0x01000000 + str r1, [r0, #0x010] @ DIRECTCMD_OFFSET + strne r1, [r6, #0x010] @ DIRECTCMD_OFFSET + + /* chip0 REFA */ + ldr r1, =0x05000000 + str r1, [r0, #0x010] @ DIRECTCMD_OFFSET + strne r1, [r6, #0x010] @ DIRECTCMD_OFFSET + /* chip0 REFA */ + str r1, [r0, #0x010] @ DIRECTCMD_OFFSET + strne r1, [r6, #0x010] @ DIRECTCMD_OFFSET + + /* chip0 MRS */ + ldr r1, =0x00000032 + str r1, [r0, #0x010] @ DIRECTCMD_OFFSET + strne r1, [r6, #0x010] @ DIRECTCMD_OFFSET + + /* chip0 EMRS */ + ldr r1, =0x00020020 + str r1, [r0, #0x010] @ DIRECTCMD_OFFSET + strne r1, [r6, #0x010] @ DIRECTCMD_OFFSET + + /* chip1 Deselect */ + ldr r1, =0x07100000 + str r1, [r0, #0x010] @ DIRECTCMD_OFFSET + strne r1, [r6, #0x010] @ DIRECTCMD_OFFSET + + /* chip1 PALL */ + ldr r1, =0x01100000 + str r1, [r0, #0x010] @ DIRECTCMD_OFFSET + strne r1, [r6, #0x010] @ DIRECTCMD_OFFSET + + /* chip1 REFA */ + ldr r1, =0x05100000 + str r1, [r0, #0x010] @ DIRECTCMD_OFFSET + strne r1, [r6, #0x010] @ DIRECTCMD_OFFSET + /* chip1 REFA */ + str r1, [r0, #0x010] @ DIRECTCMD_OFFSET + strne r1, [r6, #0x010] @ DIRECTCMD_OFFSET + + /* chip1 MRS */ + ldr r1, =0x00100032 + str r1, [r0, #0x010] @ DIRECTCMD_OFFSET + strne r1, [r6, #0x010] @ DIRECTCMD_OFFSET + + /* chip1 EMRS */ + ldr r1, =0x00120020 + str r1, [r0, #0x010] @ DIRECTCMD_OFFSET + strne r1, [r6, #0x010] @ DIRECTCMD_OFFSET + + /* auto refresh on */ + ldr r1, =0xFF002030 | (1 << 7) + str r1, [r0, #0x000] @ CONCONTROL_OFFSET + strne r1, [r6, #0x000] @ CONCONTROL_OFFSET + + /* PwrdnConfig */ + ldr r1, =0x00100002 + str r1, [r0, #0x028] @ PWRDNCONFIG_OFFSET + strne r1, [r6, #0x028] @ PWRDNCONFIG_OFFSET + + ldr r1, =0x00212113 + str r1, [r0, #0x004] @ MEMCONTROL_OFFSET + strne r1, [r6, #0x004] @ MEMCONTROL_OFFSET + + /* Skip when S5PC110 */ + bne 1f + + /* Check OneDRAM access area at s5pc100 */ + ldreq r3, =0x38f80222 + ldreq r1, =0x37ffff00 + str r3, [r1] + ldr r2, [r1] + cmp r2, r3 + beq swap_memory +1: + mov pc, lr + + .ltorg |