summaryrefslogtreecommitdiff
path: root/board/samsung/goni/mem_setup.S
blob: 5dc980cf5b05ddf8f45846ec3a12e18bc2165425 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
/*
 * Copyright (C) 2009 Samsung Electrnoics
 * 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:
	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