| Nobuhiro Iwamatsu | d1f2a0c | 2009-06-25 16:31:26 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 Renesas Solutions Corp. |
| 3 | * Copyright (C) 2009 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> |
| 4 | * |
| 5 | * board/espt/lowlevel_init.S |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License as |
| 9 | * published by the Free Software Foundation; either version 2 of |
| 10 | * the License, or (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 20 | * MA 02111-1307 USA |
| 21 | */ |
| 22 | |
| 23 | #include <config.h> |
| 24 | #include <version.h> |
| 25 | #include <asm/processor.h> |
| 26 | #include <asm/macro.h> |
| 27 | |
| 28 | .global lowlevel_init |
| 29 | |
| 30 | .text |
| 31 | .align 2 |
| 32 | |
| 33 | lowlevel_init: |
| 34 | |
| 35 | write32 WDTCSR_A, WDTCSR_D |
| 36 | |
| 37 | write32 WDTST_A, WDTST_D |
| 38 | |
| 39 | write32 WDTBST_A, WDTBST_D |
| 40 | |
| 41 | write32 CCR_A, CCR_CACHE_ICI_D |
| 42 | |
| 43 | write32 MMUCR_A, MMU_CONTROL_TI_D |
| 44 | |
| 45 | write32 MSTPCR0_A, MSTPCR0_D |
| 46 | |
| 47 | write32 MSTPCR1_A, MSTPCR1_D |
| 48 | |
| 49 | write32 RAMCR_A, RAMCR_D |
| 50 | |
| 51 | /* |
| 52 | * Setting infomation from |
| 53 | * original ESPT-GIGA bootloader register |
| 54 | */ |
| 55 | write32 MMSEL_A, MMSEL_D |
| 56 | |
| 57 | /* dummy */ |
| 58 | mov.l @r1, r2 |
| 59 | mov.l @r1, r2 |
| 60 | synco |
| 61 | |
| 62 | write32 BCR_A, BCR_D |
| 63 | |
| 64 | write32 CS0BCR_A, CS0BCR_D |
| 65 | |
| 66 | write32 CS0WCR_A, CS0WCR_D |
| 67 | |
| 68 | /* |
| 69 | * DDR-SDRAM setting |
| 70 | */ |
| 71 | |
| 72 | /* set DDR-SDRAM dummy read */ |
| 73 | write32 MMSEL_A, MMSEL_D |
| 74 | |
| Nobuhiro Iwamatsu | 00bf47c | 2009-10-30 10:16:27 +0900 | [diff] [blame^] | 75 | write32 MMSEL_A, CS0_A |
| Nobuhiro Iwamatsu | d1f2a0c | 2009-06-25 16:31:26 +0900 | [diff] [blame] | 76 | |
| 77 | /* set DDR-SDRAM bus/endian etc */ |
| 78 | write32 MIM_U_A, MIM_U_D |
| 79 | |
| 80 | write32 MIM_L_A, MIM_L_D0 |
| 81 | |
| 82 | write32 SDR_L_A, SDR_L_A_D0 |
| 83 | |
| 84 | write32 STR_L_A, STR_L_A_D0 |
| 85 | |
| 86 | /* DDR-SDRAM access control */ |
| 87 | write32 MIM_L_A, MIM_L_D1 |
| 88 | |
| 89 | write32 SCR_L_A, SCR_L_A_D0 |
| 90 | |
| 91 | write32 SCR_L_A, SCR_L_A_D1 |
| 92 | |
| 93 | write32 EMRS_A, EMRS_D |
| 94 | |
| 95 | write32 MRS1_A, MRS1_D |
| 96 | |
| 97 | write32 MIM_U_A, MIM_U_D |
| 98 | |
| 99 | write32 MIM_L_A, MIM_L_A_D2 |
| 100 | |
| 101 | write32 SCR_L_A, SCR_L_A_D2 |
| 102 | |
| 103 | write32 SCR_L_A, SCR_L_A_D2 |
| 104 | |
| 105 | write32 MRS2_A, MRS2_D |
| 106 | |
| 107 | /* wait 200us */ |
| 108 | wait_timer REPEAT_R3 |
| 109 | |
| 110 | /* GPIO setting */ |
| 111 | write16 PSEL0_A, PSEL0_D |
| 112 | |
| 113 | write16 PSEL1_A, PSEL1_D |
| 114 | |
| 115 | write16 PSEL2_A, PSEL2_D |
| 116 | |
| 117 | write16 PSEL3_A, PSEL3_D |
| 118 | |
| 119 | write16 PSEL4_A, PSEL4_D |
| 120 | |
| 121 | write8 PADR_A, PADR_D |
| 122 | |
| 123 | write16 PACR_A, PACR_D |
| 124 | |
| 125 | write8 PBDR_A, PBDR_D |
| 126 | |
| 127 | write16 PBCR_A, PBCR_D |
| 128 | |
| 129 | write8 PCDR_A, PCDR_D |
| 130 | |
| 131 | write16 PCCR_A, PCCR_D |
| 132 | |
| 133 | write8 PDDR_A, PDDR_D |
| 134 | |
| 135 | write16 PDCR_A, PDCR_D |
| 136 | |
| 137 | write16 PECR_A, PECR_D |
| 138 | |
| 139 | write16 PFCR_A, PFCR_D |
| 140 | |
| 141 | write16 PGCR_A, PGCR_D |
| 142 | |
| 143 | write16 PHCR_A, PHCR_D |
| 144 | |
| 145 | write16 PICR_A, PICR_D |
| 146 | |
| 147 | write8 PJDR_A, PJDR_D |
| 148 | |
| 149 | write16 PJCR_A, PJCR_D |
| 150 | |
| 151 | /* wait 50us */ |
| 152 | wait_timer REPEAT_R3 |
| 153 | |
| 154 | write8 PKDR_A, PKDR_D |
| 155 | |
| 156 | write16 PKCR_A, PKCR_D |
| 157 | |
| 158 | write16 PLCR_A, PLCR_D |
| 159 | |
| 160 | write16 PMCR_A, PMCR_D |
| 161 | |
| 162 | write16 PNCR_A, PNCR_D |
| 163 | |
| 164 | write16 POCR_A, POCR_D |
| 165 | |
| 166 | |
| 167 | /* ICR0 ,ICR1 */ |
| 168 | write32 ICR0_A, ICR0_D |
| 169 | |
| 170 | write32 ICR1_A, ICR1_D |
| 171 | |
| 172 | /* USB Host */ |
| 173 | write32 USB_USBHSC_A, USB_USBHSC_D |
| 174 | |
| 175 | write32 CCR_A, CCR_CACHE_D_2 |
| 176 | |
| 177 | rts |
| 178 | nop |
| 179 | |
| 180 | .align 2 |
| 181 | |
| 182 | /* GPIO Crontrol Register */ |
| 183 | PACR_A: .long 0xFFEF0000 |
| 184 | PBCR_A: .long 0xFFEF0002 |
| 185 | PCCR_A: .long 0xFFEF0004 |
| 186 | PDCR_A: .long 0xFFEF0006 |
| 187 | PECR_A: .long 0xFFEF0008 |
| 188 | PFCR_A: .long 0xFFEF000A |
| 189 | PGCR_A: .long 0xFFEF000C |
| 190 | PHCR_A: .long 0xFFEF000E |
| 191 | PICR_A: .long 0xFFEF0010 |
| 192 | PJCR_A: .long 0xFFEF0012 |
| 193 | PKCR_A: .long 0xFFEF0014 |
| 194 | PLCR_A: .long 0xFFEF0016 |
| 195 | PMCR_A: .long 0xFFEF0018 |
| 196 | PNCR_A: .long 0xFFEF001A |
| 197 | POCR_A: .long 0xFFEF001C |
| 198 | |
| 199 | /* GPIO Data Register */ |
| 200 | PADR_A: .long 0xFFEF0020 |
| 201 | PBDR_A: .long 0xFFEF0022 |
| 202 | PCDR_A: .long 0xFFEF0024 |
| 203 | PDDR_A: .long 0xFFEF0026 |
| 204 | PJDR_A: .long 0xFFEF0032 |
| 205 | PKDR_A: .long 0xFFEF0034 |
| 206 | |
| 207 | /* GPIO Set data */ |
| 208 | PADR_D: .long 0x00000000 |
| 209 | PACR_D: .long 0x00001400 |
| 210 | PBDR_D: .long 0x00000000 |
| 211 | PBCR_D: .long 0x0000555A |
| 212 | PCDR_D: .long 0x00000000 |
| 213 | PCCR_D: .long 0x00005555 |
| 214 | PDDR_D: .long 0x00000000 |
| 215 | PDCR_D: .long 0x00000155 |
| 216 | PECR_D: .long 0x00000000 |
| 217 | PFCR_D: .long 0x00000000 |
| 218 | PGCR_D: .long 0x00000000 |
| 219 | PHCR_D: .long 0x00000000 |
| 220 | PICR_D: .long 0x00000800 |
| 221 | PJDR_D: .long 0x00000006 |
| 222 | PJCR_D: .long 0x00005A57 |
| 223 | PKDR_D: .long 0x00000000 |
| 224 | PKCR_D: .long 0x0000FFF9 |
| 225 | PLCR_D: .long 0x0000C330 |
| 226 | PMCR_D: .long 0x0000FFFF |
| 227 | PNCR_D: .long 0x00000242 |
| 228 | POCR_D: .long 0x00000000 |
| 229 | |
| 230 | /* Pin Select */ |
| 231 | PSEL0_A: .long 0xFFEF0070 |
| 232 | PSEL1_A: .long 0xFFEF0072 |
| 233 | PSEL2_A: .long 0xFFEF0074 |
| 234 | PSEL3_A: .long 0xFFEF0076 |
| 235 | PSEL4_A: .long 0xFFEF0078 |
| 236 | PSEL0_D: .long 0x0001 |
| 237 | PSEL1_D: .long 0x2400 |
| 238 | PSEL2_D: .long 0x0000 |
| 239 | PSEL3_D: .long 0x2421 |
| 240 | PSEL4_D: .long 0x0000 |
| 241 | |
| 242 | MMSEL_A: .long 0xFE600020 |
| 243 | BCR_A: .long 0xFF801000 |
| 244 | CS0BCR_A: .long 0xFF802000 |
| 245 | CS0WCR_A: .long 0xFF802008 |
| 246 | ICR0_A: .long 0xFFD00000 |
| 247 | ICR1_A: .long 0xFFD0001C |
| 248 | |
| 249 | MMSEL_D: .long 0xA5A50000 |
| 250 | BCR_D: .long 0x05000000 |
| 251 | CS0BCR_D: .long 0x232306F0 |
| 252 | CS0WCR_D: .long 0x00011104 |
| 253 | ICR0_D: .long 0x80C00000 |
| 254 | ICR1_D: .long 0x00020000 |
| 255 | |
| 256 | /* RWBT Address */ |
| 257 | WDTST_A: .long 0xFFCC0000 |
| 258 | WDTCSR_A: .long 0xFFCC0004 |
| 259 | WDTBST_A: .long 0xFFCC0008 |
| 260 | /* RWBT Data */ |
| 261 | WDTST_D: .long 0x5A000FFF |
| 262 | WDTCSR_D: .long 0xA5000000 |
| 263 | WDTBST_D: .long 0x55000000 |
| 264 | |
| 265 | /* Cache Address */ |
| 266 | CCR_A: .long 0xFF00001C |
| 267 | MMUCR_A: .long 0xFF000010 |
| 268 | RAMCR_A: .long 0xFF000074 |
| 269 | |
| 270 | /* Cache Data */ |
| 271 | CCR_CACHE_ICI_D:.long 0x00000800 |
| 272 | CCR_CACHE_D_2: .long 0x00000103 |
| 273 | MMU_CONTROL_TI_D:.long 0x00000004 |
| 274 | RAMCR_D: .long 0x00000200 |
| 275 | |
| 276 | /* Low power mode control Address */ |
| 277 | MSTPCR0_A: .long 0xFFC80030 |
| 278 | MSTPCR1_A: .long 0xFFC80038 |
| 279 | /* Low power mode control Data */ |
| 280 | MSTPCR0_D: .long 0x00000000 |
| 281 | MSTPCR1_D: .long 0x00000000 |
| 282 | |
| 283 | REPEAT0_R3: .long 0x00002000 |
| 284 | REPEAT_R3: .long 0x00000200 |
| 285 | CS0_A: .long 0xA8000000 |
| 286 | |
| 287 | MIM_U_A: .long 0xFE800008 |
| 288 | MIM_L_A: .long 0xFE80000C |
| 289 | SCR_U_A: .long 0xFE800010 |
| 290 | SCR_L_A: .long 0xFE800014 |
| 291 | STR_U_A: .long 0xFE800018 |
| 292 | STR_L_A: .long 0xFE80001C |
| 293 | SDR_U_A: .long 0xFE800030 |
| 294 | SDR_L_A: .long 0xFE800034 |
| 295 | EMRS_A: .long 0xFE902000 |
| 296 | MRS1_A: .long 0xFE900B08 |
| 297 | MRS2_A: .long 0xFE900308 |
| 298 | |
| 299 | MIM_U_D: .long 0x00000000 |
| 300 | MIM_L_D0: .long 0x04100008 |
| 301 | MIM_L_D1: .long 0x02EE0009 |
| 302 | MIM_L_D2: .long 0x02EE0209 |
| 303 | |
| 304 | SDR_L_A_D0: .long 0x00000300 |
| 305 | STR_L_A_D0: .long 0x00010040 |
| 306 | MIM_L_A_D1: .long 0x04100009 |
| 307 | SCR_L_A_D0: .long 0x00000003 |
| 308 | SCR_L_A_D1: .long 0x00000002 |
| 309 | MIM_L_A_D2: .long 0x04100209 |
| 310 | SCR_L_A_D2: .long 0x00000004 |
| 311 | |
| 312 | SCR_L_NORMAL: .long 0x00000000 |
| 313 | SCR_L_NOP: .long 0x00000001 |
| 314 | SCR_L_PALL: .long 0x00000002 |
| 315 | SCR_L_CKE_EN: .long 0x00000003 |
| 316 | SCR_L_CBR: .long 0x00000004 |
| 317 | |
| 318 | STR_L_D: .long 0x000F3980 |
| 319 | SDR_L_D: .long 0x00000400 |
| 320 | EMRS_D: .long 0x00000000 |
| 321 | MRS1_D: .long 0x00000000 |
| 322 | MRS2_D: .long 0x00000000 |
| 323 | |
| 324 | /* USB */ |
| 325 | USB_USBHSC_A: .long 0xFFEC80F0 |
| 326 | USB_USBHSC_D: .long 0x00000000 |