2 * Memory Setup stuff - taken from blob memsetup.S
4 * Copyright (C) 2009 Samsung Electronics
5 * Kyungmin Park <kyungmin.park@samsung.com>
7 * See file CREDITS for list of people who contributed to this
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 #include <asm/arch/cpu.h>
29 #include <asm/arch/clock.h>
30 #include <asm/arch/power.h>
39 * r7 has S5PC100 GPIO base, 0xE0300000
40 * r8 has real GPIO base, 0xE0300000, 0xE0200000 at S5PC100, S5PC110 repectively
41 * r9 has Mobile DDR size, 1 means 1GiB, 2 means 2GiB and so on
51 /* r5 has always zero */
54 ldr r7, =S5PC100_GPIO_BASE
55 ldr r8, =S5PC100_GPIO_BASE
57 ldr r2, =S5PC1XX_PRO_ID
63 ldr r8, =S5PC110_GPIO_BASE
65 /* Turn on KEY_LED_ON [GPJ4(1)] XMSMWEN */
68 addeq r0, r8, #0x280 @S5PC100_GPIO_J4_OFFSET
69 addne r0, r8, #0x2C0 @S5PC110_GPIO_J4_OFFSET
70 ldr r1, [r0, #0x0] @S5PC1XX_GPIO_CON_OFFSET
71 bic r1, r1, #(0xf << 4) @ 1 * 4-bit
72 orr r1, r1, #(0x1 << 4)
73 str r1, [r0, #0x0] @S5PC1XX_GPIO_CON_OFFSET
75 ldr r1, [r0, #0x4] @S5PC1XX_GPIO_DAT_OFFSET
76 #ifdef CONFIG_ONENAND_IPL
77 orr r1, r1, #(1 << 1) @ 1 * 1-bit
81 str r1, [r0, #0x4] @S5PC1XX_GPIO_DAT_OFFSET
84 /* IO retension release */
85 ldreq r0, =S5PC100_OTHERS @0xE0108200
86 ldrne r0, =S5PC110_OTHERS @0xE010E000
88 ldreq r2, =(1 << 31) @IO_RET_REL
89 ldrne r2, =((1 << 31) | (1 << 29) | (1 << 28)) @ GPIO, UART_IO
93 #ifndef CONFIG_ONENAND_IPL
94 /* Disable Watchdog */
95 ldreq r0, =S5PC100_WATCHDOG_BASE @0xEA200000
96 ldrne r0, =S5PC110_WATCHDOG_BASE @0xE2700000
100 ldreq r0, =S5PC100_SROMC_BASE
101 ldrne r0, =S5PC110_SROMC_BASE
106 /* S5PC100 has 3 groups of interrupt sources */
107 ldreq r0, =S5PC100_VIC0_BASE @0xE4000000
108 ldrne r0, =S5PC110_VIC0_BASE @0xF2000000
109 add r1, r0, #0x00100000
110 add r2, r0, #0x00200000
112 /* Disable all interrupts (VIC0, VIC1 and VIC2) */
114 str r3, [r0, #0x14] @INTENCLEAR
115 str r3, [r1, #0x14] @INTENCLEAR
116 str r3, [r2, #0x14] @INTENCLEAR
118 #ifndef CONFIG_ONENAND_IPL
119 /* Set all interrupts as IRQ */
120 str r5, [r0, #0xc] @INTSELECT
121 str r5, [r1, #0xc] @INTSELECT
122 str r5, [r2, #0xc] @INTSELECT
124 /* Pending Interrupt Clear */
125 str r5, [r0, #0xf00] @INTADDRESS
126 str r5, [r1, #0xf00] @INTADDRESS
127 str r5, [r2, #0xf00] @INTADDRESS
130 #ifndef CONFIG_ONENAND_IPL
137 #ifdef CONFIG_ONENAND_IPL
138 /* init system clock */
141 /* Board detection to set proper memory configuration */
143 moveq r9, #1 /* r9 has 1Gib default at s5pc100 */
144 movne r9, #2 /* r9 has 2Gib default at s5pc110 */
145 /* FIXME 1Gib detection: Limo Universal */
146 /* Check Limo Real board
147 * LR (suspend) LU J1B2
148 * 0x04 0x01 (0x01) 0x01 (0x01) 0x01 (0x01)
149 * 0x24 0x28 (0xA8) 0x28 (0x6A) 0x1C (0x1C)
150 * 0x44 0x00 (0xC7) 0x00 (0x47) 0x00 (0x47)
151 * 0x64 0x03 (0x1F) 0x07 (0x1F) 0x0f (0x0F)
153 * Check (0 << 3) at 0x64 at boot
154 * Check 0x47 at 0x44 at suspend
156 ldrne r2, =0xE0200C00
157 ldrne r1, [r2, #0x64]
158 and r1, r1, #(1 << 2)
165 * Aquila Rev 0.5 : 4G3G1G x16 for Infineon ES3.1
166 * Aquila Rev 0.6 : 4G1G1G x32 for MSM6290
167 * Aquila Rev 0.7 : 4G2G1G x16 for Infineon ES3.1
168 * Aquila Rev 0.8 : 4G3G1G x16 for Infineon ES3.1
172 bic r1, r4, #(0xFF << 2) /* PULLUP_DISABLE: 4 * 2-bit */
174 /* For write completion */
179 and r1, r3, #(0xf << 1)
188 str r4, [r2, #0x48] /* Restore PULLUP configuration */
192 /* OneNAND Sync Read Support at S5PC110 only
194 * BRWL[14:12] : 7 CLK
195 * BL[11:9] : Continuous
196 * VHF[3] : Very High Frequency Enable (Over 83MHz)
197 * HF[2] : High Frequency Enable (Over 66MHz)
202 ldrne r0, =0xB001E442
205 ldrne r0, =0xB0600000
206 strne r1, [r0, #0x100] @ ONENAND_IF_CTRL
208 /* Wakeup support. Don't know if it's going to be used, untested. */
209 ldreq r0, =S5PC100_RST_STAT
210 ldrne r0, =S5PC110_RST_STAT
212 biceq r1, r1, #0xfffffff7
214 bicne r1, r1, #0xfffeffff
222 str r1, [r0, #0x0] @S5PC100_GPIO_A0_OFFSET
224 str r1, [r0, #0x20] @S5PC100_GPIO_A1_OFFSET
226 /* UART_SEL MP0_5[7] at S5PC110 */
227 add r0, r8, #0x360 @S5PC110_GPIO_MP0_5_OFFSET
228 ldr r1, [r0, #0x0] @S5PC1XX_GPIO_CON_OFFSET
229 bic r1, r1, #(0xf << 28) @ 28 = 7 * 4-bit
230 orr r1, r1, #(0x1 << 28) @ Output
231 str r1, [r0, #0x0] @S5PC1XX_GPIO_CON_OFFSET
233 ldr r1, [r0, #0x8] @S5PC1XX_GPIO_PULL_OFFSET
234 bic r1, r1, #(0x3 << 14) @ 14 = 7 * 2-bit
235 orr r1, r1, #(0x2 << 14) @ Pull-up enabled
236 str r1, [r0, #0x8] @S5PC1XX_GPIO_PULL_OFFSET
238 ldr r1, [r0, #0x4] @S5PC1XX_GPIO_DAT_OFFSET
239 orr r1, r1, #(1 << 7) @ 7 = 7 * 1-bit
240 str r1, [r0, #0x4] @S5PC1XX_GPIO_DAT_OFFSET
242 ldr r0, =0xE2900000 @ S5PC110_PA_UART
245 str r1, [r0, #0x000] @ ULCON
247 str r1, [r0, #0x004] @ UCON
249 str r1, [r0, #0x028] @ UBRDIV
251 str r1, [r0, #0x02C] @ UDIVSLOT
254 strb r2, [r0, #0x020] @ UTXH
256 ldrb r3, [r0, #0x010] @ UTRSTAT
261 /* turn off L2 cache */
268 /* invalidate L2 cache also */
271 /* turn on L2 cache */
275 /* Load return address and jump to kernel */
276 ldreq r0, =S5PC100_INFORM0
277 ldrne r0, =S5PC110_INFORM0
279 /* r1 = physical address of s5pc1xx_cpu_resume function */
282 /* Jump to kernel (sleep-s5pc1xx.S) */
288 /* Clear wakeup status register */
289 ldreq r0, =S5PC100_WAKEUP_STAT
290 ldrne r0, =S5PC110_WAKEUP_STAT
299 * system_clock_init: Initialize core clock and bus clock.
300 * void system_clock_init(void)
303 ldr r0, =S5PC1XX_CLOCK_BASE @ 0xE0100000
309 #ifndef DEBUG_PM_C110
311 ldr r1, =0xe10 @ Locktime : 0xe10 = 3600
312 str r1, [r0, #0x000] @ S5PC100_APLL_LOCK
313 str r1, [r0, #0x004] @ S5PC100_MPLL_LOCK
314 str r1, [r0, #0x008] @ S5PC100_EPLL_LOCK
315 str r1, [r0, #0x00C] @ S5PC100_HPLL_LOCK
318 #ifdef CONFIG_CLK_667_166_83
319 ldr r1, =0x81bc0400 @ SDIV 0, PDIV 4, MDIV 444 (1333MHz)
320 #elif defined(CONFIG_CLK_666_166_66)
321 ldr r1, =0x814d0301 @ SDIV 1, PDIV 3, MDIV 333 (1333MHz)
322 #elif defined(CONFIG_CLK_600_150_75)
323 ldr r1, =0x812C0300 @ SDIV 0, PDIV 3, MDIV 300 (1200MHz)
324 #elif defined(CONFIG_CLK_533_133_66)
325 ldr r1, =0x810b0300 @ SDIV 0, PDIV 3, MDIV 267 (1066MHz)
326 #elif defined(CONFIG_CLK_500_166_66)
327 ldr r1, =0x81f40301 @ SDIV 1, PDIV 3, MDIV 500 (1000MHz)
328 #elif defined(CONFIG_CLK_467_117_59)
329 ldr r1, =0x826E0401 @ SDIV 1, PDIV 4, MDIV 622 (933MHz)
330 #elif defined(CONFIG_CLK_400_100_50)
331 ldr r1, =0x81900301 @ SDIV 1, PDIV 3, MDIV 400 (800MHz)
333 #error you should set the correct clock configuration
337 ldr r1, =0x80590201 @ SDIV 1, PDIV 2, MDIV 89 (267MHz)
340 ldr r1, =0x80870303 @ SDIV 3, PDIV 3, MDIV 135 (67.5MHz)
343 ldr r1, =0x80600603 @ SDIV 3, PDIV 6, MDIV 96
349 #ifdef CONFIG_CLK_800_166_66
351 #elif defined(CONFIG_CLK_500_166_66)
353 #elif defined(CONFIG_CLK_666_166_66)
367 /* Set Source Clock */
368 ldr r1, =0x00001111 @ A, M, E, HPLL Muxing
369 str r1, [r0, #0x200] @ S5PC1XX_CLK_SRC0
373 /* Set Clock divider */
374 ldr r1, =0x14131330 @ 1:1:4:4, 1:4:5
376 ldr r1, =0x11110111 @ UART[3210]: MMC[3210]
380 ldr r1, =0xe10 @ Locktime : 0xe10 = 3600
381 str r1, [r0, #0x000] @ S5PC110_APLL_LOCK
382 str r1, [r0, #0x010] @ S5PC110_MPLL_LOCK
383 str r1, [r0, #0x018] @ S5PC110_EPLL_LOCK
384 str r1, [r0, #0x020] @ S5PC110_VPLL_LOCK
386 /* S5PC110_APLL_CON */
387 ldr r1, =0x80C80601 @ 800MHz
389 /* S5PC110_MPLL_CON */
390 ldr r1, =0x829B0C01 @ 667MHz
392 /* S5PC110_EPLL_CON */
393 ldr r1, =0x80600602 @ 96MHz VSEL 0 P 6 M 96 S 2
395 /* S5PC110_VPLL_CON */
396 ldr r1, =0x806C0603 @ 54MHz
399 /* Set Source Clock */
400 ldr r1, =0x10001111 @ A, M, E, VPLL Muxing
401 str r1, [r0, #0x200] @ S5PC1XX_CLK_SRC0
403 /* OneDRAM(DMC0) clock setting */
404 ldr r1, =0x01000000 @ ONEDRAM_SEL[25:24] 1 SCLKMPLL
405 str r1, [r0, #0x218] @ S5PC110_CLK_SRC6
406 ldr r1, =0x30000000 @ ONEDRAM_RATIO[31:28] 3 + 1
407 str r1, [r0, #0x318] @ S5PC110_CLK_DIV6
409 /* XCLKOUT = XUSBXTI 24MHz */
410 add r2, r0, #0xE000 @ S5PC110_OTHERS
412 orr r1, r1, #(0x3 << 8) @ CLKOUT[9:8] 3 XUSBXTI
416 ldr r1, =0x8fefeeb @ DMC[1:0] PDMA0[3] IMEM[5]
417 str r1, [r0, #0x460] @ S5PC110_CLK_IP0
420 ldr r1, =0xe9fdf0f9 @ FIMD[0] USBOTG[16]
422 str r1, [r0, #0x464] @ S5PC110_CLK_IP1
425 ldr r1, =0xf75f7fc @ CORESIGHT[8] MODEM[9]
426 @ HOSTIF[10] HSMMC0[16]
427 @ HSMMC2[18] VIC[27:24]
428 str r1, [r0, #0x468] @ S5PC110_CLK_IP2
431 ldr r1, =0x8edf038c @ I2C[8:6]
432 @ SYSTIMER[16] UART0[17]
433 @ UART1[18] UART2[19]
435 @ PWM[23] GPIO[26] SYSCON[27]
436 str r1, [r0, #0x46c] @ S5PC110_CLK_IP3
439 ldr r1, =0xfffffff1 @ CHIP_ID[0] TZPC[8:5]
440 str r1, [r0, #0x470] @ S5PC110_CLK_IP3
443 /* wait at least 200us to stablize all clock */
450 #ifndef CONFIG_ONENAND_IPL
452 ldreq r0, =0xE3800000
453 ldrne r0, =0xF1500000
460 #ifndef CONFIG_ONENAND_IPL
462 * uart_asm_init: Initialize UART's pins
465 /* set GPIO to enable UART0-UART4 */
468 str r1, [r0, #0x0] @S5PC100_GPIO_A0_OFFSET
470 str r1, [r0, #0x20] @S5PC100_GPIO_A1_OFFSET
476 #ifndef DEBUG_PM_C110
477 /* UART_SEL GPK0[5] at S5PC100 */
478 add r0, r8, #0x2A0 @S5PC100_GPIO_K0_OFFSET
479 ldr r1, [r0, #0x0] @S5PC1XX_GPIO_CON_OFFSET
480 bic r1, r1, #(0xf << 20) @ 20 = 5 * 4-bit
481 orr r1, r1, #(0x1 << 20) @ Output
482 str r1, [r0, #0x0] @S5PC1XX_GPIO_CON_OFFSET
484 ldr r1, [r0, #0x8] @S5PC1XX_GPIO_PULL_OFFSET
485 bic r1, r1, #(0x3 << 10) @ 10 = 5 * 2-bit
486 orr r1, r1, #(0x2 << 10) @ Pull-up enabled
487 str r1, [r0, #0x8] @S5PC1XX_GPIO_PULL_OFFSET
489 ldr r1, [r0, #0x4] @S5PC1XX_GPIO_DAT_OFFSET
490 orr r1, r1, #(1 << 5) @ 5 = 5 * 1-bit
491 str r1, [r0, #0x4] @S5PC1XX_GPIO_DAT_OFFSET
496 * Note that the following address
497 * 0xE020'0360 is reserved address at S5PC100
499 /* UART_SEL MP0_5[7] at S5PC110 */
500 add r0, r8, #0x360 @S5PC110_GPIO_MP0_5_OFFSET
501 ldr r1, [r0, #0x0] @S5PC1XX_GPIO_CON_OFFSET
502 bic r1, r1, #(0xf << 28) @ 28 = 7 * 4-bit
503 orr r1, r1, #(0x1 << 28) @ Output
504 str r1, [r0, #0x0] @S5PC1XX_GPIO_CON_OFFSET
506 ldr r1, [r0, #0x8] @S5PC1XX_GPIO_PULL_OFFSET
507 bic r1, r1, #(0x3 << 14) @ 14 = 7 * 2-bit
508 orr r1, r1, #(0x2 << 14) @ Pull-up enabled
509 str r1, [r0, #0x8] @S5PC1XX_GPIO_PULL_OFFSET
511 ldr r1, [r0, #0x4] @S5PC1XX_GPIO_DAT_OFFSET
512 orr r1, r1, #(1 << 7) @ 7 = 7 * 1-bit
513 str r1, [r0, #0x4] @S5PC1XX_GPIO_DAT_OFFSET