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-rw-r--r--board/samsung/smdkv310/mem_setup.S365
1 files changed, 365 insertions, 0 deletions
diff --git a/board/samsung/smdkv310/mem_setup.S b/board/samsung/smdkv310/mem_setup.S
new file mode 100644
index 0000000..d8c3ed4
--- /dev/null
+++ b/board/samsung/smdkv310/mem_setup.S
@@ -0,0 +1,365 @@
+/*
+ * Memory setup for SMDKV310 board based on S5PC210
+ *
+ * Copyright (C) 2011 Samsung Electronics
+ *
+ * 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>
+
+#define SET_MIU
+
+#define MEM_DLL
+
+#ifdef CONFIG_CLK_800_330_165
+#define DRAM_CLK_330
+#endif
+#ifdef CONFIG_CLK_1000_200_200
+#define DRAM_CLK_200
+#endif
+#ifdef CONFIG_CLK_1000_330_165
+#define DRAM_CLK_330
+#endif
+#ifdef CONFIG_CLK_1000_400_200
+#define DRAM_CLK_400
+#endif
+
+ .globl mem_ctrl_asm_init
+mem_ctrl_asm_init:
+
+ /*
+ * Async bridge configuration at CPU_core:
+ * 1: half_sync
+ * 0: full_sync
+ */
+ ldr r0, =0x10010350
+ mov r1, #1
+ str r1, [r0]
+
+#ifdef SET_MIU
+ ldr r0, =S5PC210_MIU_BASE @0x10600000
+#ifdef CONFIG_MIU_1BIT_INTERLEAVED
+ ldr r1, =0x0000000c
+ str r1, [r0, #0x400] @MIU_INTLV_CONFIG
+ ldr r1, =0x40000000
+ str r1, [r0, #0x808] @MIU_INTLV_START_ADDR
+ ldr r1, =0xbfffffff
+ str r1, [r0, #0x810] @MIU_INTLV_END_ADDR
+ ldr r1, =0x00000001
+ str r1, [r0, #0x800] @MIU_MAPPING_UPDATE
+#endif
+#ifdef CONFIG_MIU_2BIT_INTERLEAVED
+ ldr r1, =0x2000150c
+ str r1, [r0, #0x400] @MIU_INTLV_CONFIG
+ ldr r1, =0x40000000
+ str r1, [r0, #0x808] @MIU_INTLV_START_ADDR
+ ldr r1, =0xbfffffff
+ str r1, [r0, #0x810] @MIU_INTLV_END_ADDR
+ ldr r1, =0x00000001
+ str r1, [r0, #0x800] @MIU_MAPPING_UPDATE
+#endif
+#ifdef CONFIG_MIU_LINEAR
+ ldr r1, =0x40000000
+ str r1, [r0, #0x818] @MIU_SINGLE_MAPPING0_START_ADDR
+ ldr r1, =0x7fffffff
+ str r1, [r0, #0x820] @MIU_SINGLE_MAPPING0_END_ADDR
+ ldr r1, =0x80000000
+ str r1, [r0, #0x828] @MIU_SINGLE_MAPPING1_START_ADDR
+ ldr r1, =0xbfffffff
+ str r1, [r0, #0x830] @MIU_SINGLE_MAPPING1_END_ADDR]
+ ldr r1, =0x00000006
+ str r1, [r0, #0x800] @MIU_MAPPING_UPDATE
+#endif
+#endif
+ /* DREX0 */
+ ldr r0, =S5PC210_DMC0_BASE @0x10400000
+
+ ldr r1, =0xe0000086
+ str r1, [r0, #0x1C] @DMC_PHYCONTROL1
+
+ ldr r1, =0xE3855703
+ str r1, [r0, #0x44] @DMC_PHYZQCONTROL
+
+ mov r2, #0x100000
+1: subs r2, r2, #1
+ bne 1b
+
+ ldr r1, =0xe000008e
+ str r1, [r0, #0x1C] @DMC_PHYCONTROL1
+ ldr r1, =0xe0000086
+ str r1, [r0, #0x1C] @DMC_PHYCONTROL1
+
+ ldr r1, =0x71101008
+ str r1, [r0, #0x18] @DMC_PHYCONTROL0
+ ldr r1, =0x7110100A
+ str r1, [r0, #0x18] @DMC_PHYCONTROL0
+ ldr r1, =0xe0000086
+ str r1, [r0, #0x1C] @DMC_PHYCONTROL1
+ ldr r1, =0x7110100B
+ str r1, [r0, #0x18] @DMC_PHYCONTROL0
+
+ ldr r1, =0x00000000
+ str r1, [r0, #0x20] @DMC_PHYCONTROL2
+
+ ldr r1, =0x0FFF301a
+ str r1, [r0, #0x00] @DMC_CONCONTROL
+ ldr r1, =0x00312640
+ str r1, [r0, #0x04] @DMC_MEMCONTROL]
+
+#ifdef MIU_LINEAR
+ ldr r1, =0x40e01323
+ str r1, [r0, #0x08] @DMC_MEMCONFIG0
+ ldr r1, =0x60e01323
+ str r1, [r0, #0x0C] @DMC_MEMCONFIG1
+#else /* @MIU_1BIT_INTERLEAVED | MIU_2BIT_INTERLEAVED */
+ ldr r1, =0x20e01323
+ str r1, [r0, #0x08] @DMC_MEMCONFIG0
+ ldr r1, =0x40e01323
+ str r1, [r0, #0x0C] @DMC_MEMCONFIG1
+#endif
+
+ ldr r1, =0xff000000
+ str r1, [r0, #0x14] @DMC_PRECHCONFIG
+
+ ldr r1, =0x000000BC
+ str r1, [r0, #0x30] @DMC_TIMINGAREF
+
+#ifdef DRAM_CLK_330
+ ldr r1, =0x3545548d
+ str r1, [r0, #0x34] @DMC_TIMINGROW
+ ldr r1, =0x45430506
+ str r1, [r0, #0x38] @DMC_TIMINGDATA
+ ldr r1, =0x4439033c
+ str r1, [r0, #0x3C] @DMC_TIMINGPOWER
+#endif
+#ifdef DRAM_CLK_400
+ ldr r1, =0x4046654f
+ str r1, [r0, #0x34] @DMC_TIMINGROW
+ ldr r1, =0x56500506
+ str r1, [r0, #0x38] @DMC_TIMINGDATA
+ ldr r1, =0x5444033d
+ str r1, [r0, #0x3C] @DMC_TIMINGPOWER
+#endif
+ ldr r1, =0x07000000
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+
+ mov r2, #0x100000
+2: subs r2, r2, #1
+ bne 2b
+
+ ldr r1, =0x00020000
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+ ldr r1, =0x00030000
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+ ldr r1, =0x00010002
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+ ldr r1, =0x00000328
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+
+ mov r2, #0x100000
+3: subs r2, r2, #1
+ bne 3b
+
+ ldr r1, =0x0a000000
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+
+ mov r2, #0x100000
+4: subs r2, r2, #1
+ bne 4b
+
+ ldr r1, =0x07100000
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+
+ mov r2, #0x100000
+5: subs r2, r2, #1
+ bne 5b
+
+ ldr r1, =0x00120000
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+ ldr r1, =0x00130000
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+ ldr r1, =0x00110002
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+ ldr r1, =0x00100328
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+
+ mov r2, #0x100000
+6: subs r2, r2, #1
+ bne 6b
+
+ ldr r1, =0x0a100000
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+
+ mov r2, #0x100000
+7: subs r2, r2, #1
+ bne 7b
+
+ ldr r1, =0xe000008e
+ str r1, [r0, #0x1C] @DMC_PHYCONTROL1
+ ldr r1, =0xe0000086
+ str r1, [r0, #0x1C] @DMC_PHYCONTROL1
+
+ mov r2, #0x100000
+8: subs r2, r2, #1
+ bne 8b
+
+ /* DREX1 */
+ ldr r0, =S5PC210_DMC1_BASE @0x10410000
+
+ ldr r1, =0xe0000086
+ str r1, [r0, #0x1C] @DMC_PHYCONTROL1
+
+ ldr r1, =0xE3855703
+ str r1, [r0, #0x44] @DMC_PHYZQCONTROL
+
+ mov r2, #0x100000
+1: subs r2, r2, #1
+ bne 1b
+
+ ldr r1, =0xe000008e
+ str r1, [r0, #0x1C] @DMC_PHYCONTROL1
+ ldr r1, =0xe0000086
+ str r1, [r0, #0x1C] @DMC_PHYCONTROL1
+
+ ldr r1, =0x71101008
+ str r1, [r0, #0x18] @DMC_PHYCONTROL0
+ ldr r1, =0x7110100A
+ str r1, [r0, #0x18] @DMC_PHYCONTROL0
+ ldr r1, =0xe0000086
+ str r1, [r0, #0x1C] @DMC_PHYCONTROL1
+ ldr r1, =0x7110100B
+ str r1, [r0, #0x18] @DMC_PHYCONTROL0
+
+ ldr r1, =0x00000000
+ str r1, [r0, #0x20] @DMC_PHYCONTROL2
+
+ ldr r1, =0x0FFF301a
+ str r1, [r0, #0x00] @DMC_CONCONTROL
+ ldr r1, =0x00312640
+ str r1, [r0, #0x04] @DMC_MEMCONTROL]
+
+#ifdef MIU_LINEAR
+ ldr r1, =0x40e01323
+ str r1, [r0, #0x08] @DMC_MEMCONFIG0
+ ldr r1, =0x60e01323
+ str r1, [r0, #0x0C] @DMC_MEMCONFIG1
+#else /* @MIU_1BIT_INTERLEAVED | MIU_2BIT_INTERLEAVED */
+ ldr r1, =0x20e01323
+ str r1, [r0, #0x08] @DMC_MEMCONFIG0
+ ldr r1, =0x40e01323
+ str r1, [r0, #0x0C] @DMC_MEMCONFIG1
+#endif
+
+ ldr r1, =0xff000000
+ str r1, [r0, #0x14] @DMC_PRECHCONFIG
+
+ ldr r1, =0x000000BC
+ str r1, [r0, #0x30] @DMC_TIMINGAREF
+
+#ifdef DRAM_CLK_330
+ ldr r1, =0x3545548d
+ str r1, [r0, #0x34] @DMC_TIMINGROW
+ ldr r1, =0x45430506
+ str r1, [r0, #0x38] @DMC_TIMINGDATA
+ ldr r1, =0x4439033c
+ str r1, [r0, #0x3C] @DMC_TIMINGPOWER
+#endif
+#ifdef DRAM_CLK_400
+ ldr r1, =0x4046654f
+ str r1, [r0, #0x34] @DMC_TIMINGROW
+ ldr r1, =0x56500506
+ str r1, [r0, #0x38] @DMC_TIMINGDATA
+ ldr r1, =0x5444033d
+ str r1, [r0, #0x3C] @DMC_TIMINGPOWER
+#endif
+
+ ldr r1, =0x07000000
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+
+ mov r2, #0x100000
+2: subs r2, r2, #1
+ bne 2b
+
+ ldr r1, =0x00020000
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+ ldr r1, =0x00030000
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+ ldr r1, =0x00010002
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+ ldr r1, =0x00000328
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+
+ mov r2, #0x100000
+3: subs r2, r2, #1
+ bne 3b
+
+ ldr r1, =0x0a000000
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+
+ mov r2, #0x100000
+4: subs r2, r2, #1
+ bne 4b
+
+ ldr r1, =0x07100000
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+
+ mov r2, #0x100000
+5: subs r2, r2, #1
+ bne 5b
+
+ ldr r1, =0x00120000
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+ ldr r1, =0x00130000
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+ ldr r1, =0x00110002
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+ ldr r1, =0x00100328
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+
+ mov r2, #0x100000
+6: subs r2, r2, #1
+ bne 6b
+
+ ldr r1, =0x0a100000
+ str r1, [r0, #0x10] @DMC_DIRECTCMD
+
+ mov r2, #0x100000
+7: subs r2, r2, #1
+ bne 7b
+
+ ldr r1, =0xe000008e
+ str r1, [r0, #0x1C] @DMC_PHYCONTROL1
+ ldr r1, =0xe0000086
+ str r1, [r0, #0x1C] @DMC_PHYCONTROL1
+
+ mov r2, #0x100000
+8: subs r2, r2, #1
+ bne 8b
+
+ /* turn on DREX0, DREX1 */
+ ldr r0, =0x10400000 @APB_DMC_0_BASE
+ ldr r1, =0x0FFF303a
+ str r1, [r0, #0x00] @DMC_CONCONTROL
+
+ ldr r0, =0x10410000 @APB_DMC_1_BASE
+ ldr r1, =0x0FFF303a
+ str r1, [r0, #0x00] @DMC_CONCONTROL
+
+ mov pc, lr