s5pc1xx: add support SMDKC100 board
Adds new board SMDKC100 that uses s5pc100 SoC
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: HeungJun, Kim <riverful.kim@samsung.com>
diff --git a/board/samsung/smdkc100/mem_setup.S b/board/samsung/smdkc100/mem_setup.S
new file mode 100644
index 0000000..94a701d
--- /dev/null
+++ b/board/samsung/smdkc100/mem_setup.S
@@ -0,0 +1,197 @@
+/*
+ * 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>
+ *
+ * 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:
+ 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