Merge branch 'master' of git://git.denx.de/u-boot-arm

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