Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2007 |
| 3 | * Stefan Roese, DENX Software Engineering, sr@denx.de. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License as |
| 7 | * published by the Free Software Foundation; either version 2 of |
| 8 | * the License, or (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 18 | * MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | #include <common.h> |
Stefan Roese | c25dd8f | 2007-08-23 11:02:37 +0200 | [diff] [blame] | 22 | #include <command.h> |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 23 | #include <ppc440.h> |
Stefan Roese | 04e6c38 | 2007-07-04 10:06:30 +0200 | [diff] [blame] | 24 | #include <asm/processor.h> |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 25 | #include <asm/gpio.h> |
Stefan Roese | 04e6c38 | 2007-07-04 10:06:30 +0200 | [diff] [blame] | 26 | #include <asm/io.h> |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 27 | |
| 28 | DECLARE_GLOBAL_DATA_PTR; |
| 29 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 30 | extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 31 | |
Stefan Roese | 3ad6387 | 2007-08-21 16:27:57 +0200 | [diff] [blame] | 32 | ulong flash_get_size(ulong base, int banknum); |
| 33 | int misc_init_r_kbd(void); |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 34 | |
| 35 | int board_early_init_f(void) |
| 36 | { |
| 37 | u32 sdr0_pfc1, sdr0_pfc2; |
| 38 | u32 reg; |
| 39 | |
Wolfgang Denk | 83b4cfa | 2007-06-20 18:14:24 +0200 | [diff] [blame] | 40 | /* PLB Write pipelining disabled. Denali Core workaround */ |
Stefan Roese | 297a658 | 2009-09-09 16:25:29 +0200 | [diff] [blame^] | 41 | mtdcr(PLB0_ACR, 0xDE000000); |
| 42 | mtdcr(PLB1_ACR, 0xDE000000); |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 43 | |
| 44 | /*-------------------------------------------------------------------- |
| 45 | * Setup the interrupt controller polarities, triggers, etc. |
| 46 | *-------------------------------------------------------------------*/ |
| 47 | mtdcr(uic0sr, 0xffffffff); /* clear all. if write with 1 then the status is cleared */ |
| 48 | mtdcr(uic0er, 0x00000000); /* disable all */ |
| 49 | mtdcr(uic0cr, 0x00000000); /* we have not critical interrupts at the moment */ |
Stefan Roese | aedf5bd | 2007-07-24 07:20:09 +0200 | [diff] [blame] | 50 | mtdcr(uic0pr, 0xFFBFF1EF); /* Adjustment of the polarity */ |
| 51 | mtdcr(uic0tr, 0x00000900); /* per ref-board manual */ |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 52 | mtdcr(uic0vr, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */ |
| 53 | mtdcr(uic0sr, 0xffffffff); /* clear all */ |
| 54 | |
| 55 | mtdcr(uic1sr, 0xffffffff); /* clear all */ |
| 56 | mtdcr(uic1er, 0x00000000); /* disable all */ |
| 57 | mtdcr(uic1cr, 0x00000000); /* all non-critical */ |
Stefan Roese | aedf5bd | 2007-07-24 07:20:09 +0200 | [diff] [blame] | 58 | mtdcr(uic1pr, 0xFFFFC6A5); /* Adjustment of the polarity */ |
| 59 | mtdcr(uic1tr, 0x60000040); /* per ref-board manual */ |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 60 | mtdcr(uic1vr, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */ |
| 61 | mtdcr(uic1sr, 0xffffffff); /* clear all */ |
| 62 | |
| 63 | mtdcr(uic2sr, 0xffffffff); /* clear all */ |
| 64 | mtdcr(uic2er, 0x00000000); /* disable all */ |
| 65 | mtdcr(uic2cr, 0x00000000); /* all non-critical */ |
| 66 | mtdcr(uic2pr, 0x27C00000); /* Adjustment of the polarity */ |
Stefan Roese | aedf5bd | 2007-07-24 07:20:09 +0200 | [diff] [blame] | 67 | mtdcr(uic2tr, 0x3C000000); /* per ref-board manual */ |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 68 | mtdcr(uic2vr, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */ |
Stefan Roese | aedf5bd | 2007-07-24 07:20:09 +0200 | [diff] [blame] | 69 | mtdcr(uic2sr, 0xffffffff); /* clear all */ |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 70 | |
| 71 | /* Trace Pins are disabled. SDR0_PFC0 Register */ |
| 72 | mtsdr(SDR0_PFC0, 0x0); |
| 73 | |
| 74 | /* select Ethernet pins */ |
| 75 | mfsdr(SDR0_PFC1, sdr0_pfc1); |
| 76 | /* SMII via ZMII */ |
| 77 | sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) | |
| 78 | SDR0_PFC1_SELECT_CONFIG_6; |
| 79 | mfsdr(SDR0_PFC2, sdr0_pfc2); |
| 80 | sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) | |
| 81 | SDR0_PFC2_SELECT_CONFIG_6; |
| 82 | |
| 83 | /* enable SPI (SCP) */ |
| 84 | sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SIS_MASK) | SDR0_PFC1_SIS_SCP_SEL; |
| 85 | |
| 86 | mtsdr(SDR0_PFC2, sdr0_pfc2); |
| 87 | mtsdr(SDR0_PFC1, sdr0_pfc1); |
| 88 | |
| 89 | mtsdr(SDR0_PFC4, 0x80000000); |
| 90 | |
| 91 | /* PCI arbiter disabled */ |
Wolfgang Denk | 83b4cfa | 2007-06-20 18:14:24 +0200 | [diff] [blame] | 92 | /* PCI Host Configuration disbaled */ |
Stefan Roese | 297a658 | 2009-09-09 16:25:29 +0200 | [diff] [blame^] | 93 | mfsdr(SDR0_PCI0, reg); |
Wolfgang Denk | 83b4cfa | 2007-06-20 18:14:24 +0200 | [diff] [blame] | 94 | reg = 0; |
Stefan Roese | 297a658 | 2009-09-09 16:25:29 +0200 | [diff] [blame^] | 95 | mtsdr(SDR0_PCI0, 0x00000000 | reg); |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 96 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 97 | gpio_write_bit(CONFIG_SYS_GPIO_FLASH_WP, 1); |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 98 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 99 | #if CONFIG_POST & CONFIG_SYS_POST_BSPEC1 |
| 100 | gpio_write_bit(CONFIG_SYS_GPIO_HIGHSIDE, 1); |
Yuri Tikhonov | 65b20dc | 2008-02-04 14:10:42 +0100 | [diff] [blame] | 101 | |
| 102 | reg = 0; /* reuse as counter */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 103 | out_be32((void *)CONFIG_SYS_DSPIC_TEST_ADDR, |
| 104 | in_be32((void *)CONFIG_SYS_DSPIC_TEST_ADDR) |
| 105 | & ~CONFIG_SYS_DSPIC_TEST_MASK); |
| 106 | while (!gpio_read_in_bit(CONFIG_SYS_GPIO_DSPIC_READY) && reg++ < 1000) { |
Yuri Tikhonov | 65b20dc | 2008-02-04 14:10:42 +0100 | [diff] [blame] | 107 | udelay(1000); |
| 108 | } |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 109 | gpio_write_bit(CONFIG_SYS_GPIO_HIGHSIDE, 0); |
| 110 | if (gpio_read_in_bit(CONFIG_SYS_GPIO_DSPIC_READY)) { |
Yuri Tikhonov | 65b20dc | 2008-02-04 14:10:42 +0100 | [diff] [blame] | 111 | /* set "boot error" flag */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 112 | out_be32((void *)CONFIG_SYS_DSPIC_TEST_ADDR, |
| 113 | in_be32((void *)CONFIG_SYS_DSPIC_TEST_ADDR) | |
| 114 | CONFIG_SYS_DSPIC_TEST_MASK); |
Yuri Tikhonov | 65b20dc | 2008-02-04 14:10:42 +0100 | [diff] [blame] | 115 | } |
| 116 | #endif |
| 117 | |
Stefan Roese | 54fd6c9 | 2007-11-13 08:18:20 +0100 | [diff] [blame] | 118 | /* |
| 119 | * Reset PHY's: |
| 120 | * The PHY's need a 2nd reset pulse, since the MDIO address is latched |
| 121 | * upon reset, and with the first reset upon powerup, the addresses are |
| 122 | * not latched reliable, since the IRQ line is multiplexed with an |
| 123 | * MDIO address. A 2nd reset at this time will make sure, that the |
| 124 | * correct address is latched. |
| 125 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 126 | gpio_write_bit(CONFIG_SYS_GPIO_PHY0_RST, 1); |
| 127 | gpio_write_bit(CONFIG_SYS_GPIO_PHY1_RST, 1); |
Stefan Roese | 54fd6c9 | 2007-11-13 08:18:20 +0100 | [diff] [blame] | 128 | udelay(1000); |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 129 | gpio_write_bit(CONFIG_SYS_GPIO_PHY0_RST, 0); |
| 130 | gpio_write_bit(CONFIG_SYS_GPIO_PHY1_RST, 0); |
Stefan Roese | 54fd6c9 | 2007-11-13 08:18:20 +0100 | [diff] [blame] | 131 | udelay(1000); |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 132 | gpio_write_bit(CONFIG_SYS_GPIO_PHY0_RST, 1); |
| 133 | gpio_write_bit(CONFIG_SYS_GPIO_PHY1_RST, 1); |
Stefan Roese | 54fd6c9 | 2007-11-13 08:18:20 +0100 | [diff] [blame] | 134 | |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 135 | return 0; |
| 136 | } |
| 137 | |
| 138 | /*---------------------------------------------------------------------------+ |
| 139 | | misc_init_r. |
| 140 | +---------------------------------------------------------------------------*/ |
| 141 | int misc_init_r(void) |
| 142 | { |
| 143 | u32 pbcr; |
| 144 | int size_val = 0; |
| 145 | u32 reg; |
| 146 | unsigned long usb2d0cr = 0; |
| 147 | unsigned long usb2phy0cr, usb2h0cr = 0; |
| 148 | unsigned long sdr0_pfc1; |
| 149 | |
| 150 | /* |
| 151 | * FLASH stuff... |
| 152 | */ |
| 153 | |
| 154 | /* Re-do sizing to get full correct info */ |
| 155 | |
| 156 | /* adjust flash start and offset */ |
| 157 | gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; |
| 158 | gd->bd->bi_flashoffset = 0; |
| 159 | |
Stefan Roese | 297a658 | 2009-09-09 16:25:29 +0200 | [diff] [blame^] | 160 | mfebc(PB0CR, pbcr); |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 161 | switch (gd->bd->bi_flashsize) { |
| 162 | case 1 << 20: |
| 163 | size_val = 0; |
| 164 | break; |
| 165 | case 2 << 20: |
| 166 | size_val = 1; |
| 167 | break; |
| 168 | case 4 << 20: |
| 169 | size_val = 2; |
| 170 | break; |
| 171 | case 8 << 20: |
| 172 | size_val = 3; |
| 173 | break; |
| 174 | case 16 << 20: |
| 175 | size_val = 4; |
| 176 | break; |
| 177 | case 32 << 20: |
| 178 | size_val = 5; |
| 179 | break; |
| 180 | case 64 << 20: |
| 181 | size_val = 6; |
| 182 | break; |
| 183 | case 128 << 20: |
| 184 | size_val = 7; |
| 185 | break; |
| 186 | } |
| 187 | pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17); |
Stefan Roese | 297a658 | 2009-09-09 16:25:29 +0200 | [diff] [blame^] | 188 | mtebc(PB0CR, pbcr); |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 189 | |
| 190 | /* |
| 191 | * Re-check to get correct base address |
| 192 | */ |
| 193 | flash_get_size(gd->bd->bi_flashstart, 0); |
| 194 | |
| 195 | /* Monitor protection ON by default */ |
| 196 | (void)flash_protect(FLAG_PROTECT_SET, |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 197 | -CONFIG_SYS_MONITOR_LEN, |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 198 | 0xffffffff, |
Stefan Roese | 9f24a80 | 2007-07-24 09:52:52 +0200 | [diff] [blame] | 199 | &flash_info[1]); |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 200 | |
| 201 | /* Env protection ON by default */ |
| 202 | (void)flash_protect(FLAG_PROTECT_SET, |
Jean-Christophe PLAGNIOL-VILLARD | 0e8d158 | 2008-09-10 22:48:06 +0200 | [diff] [blame] | 203 | CONFIG_ENV_ADDR_REDUND, |
| 204 | CONFIG_ENV_ADDR_REDUND + 2*CONFIG_ENV_SECT_SIZE - 1, |
Stefan Roese | 9f24a80 | 2007-07-24 09:52:52 +0200 | [diff] [blame] | 205 | &flash_info[1]); |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 206 | |
| 207 | /* |
| 208 | * USB suff... |
| 209 | */ |
| 210 | /* SDR Setting */ |
| 211 | mfsdr(SDR0_PFC1, sdr0_pfc1); |
| 212 | mfsdr(SDR0_USB0, usb2d0cr); |
| 213 | mfsdr(SDR0_USB2PHY0CR, usb2phy0cr); |
| 214 | mfsdr(SDR0_USB2H0CR, usb2h0cr); |
| 215 | |
| 216 | usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK; |
| 217 | usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0*/ |
| 218 | usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK; |
| 219 | usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ; /*1*/ |
| 220 | usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK; |
| 221 | usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; /*0*/ |
| 222 | usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK; |
| 223 | usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1*/ |
| 224 | usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK; |
| 225 | usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1*/ |
| 226 | |
| 227 | /* An 8-bit/60MHz interface is the only possible alternative |
| 228 | when connecting the Device to the PHY */ |
| 229 | usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK; |
| 230 | usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ; /*1*/ |
| 231 | |
| 232 | mtsdr(SDR0_PFC1, sdr0_pfc1); |
| 233 | mtsdr(SDR0_USB0, usb2d0cr); |
| 234 | mtsdr(SDR0_USB2PHY0CR, usb2phy0cr); |
| 235 | mtsdr(SDR0_USB2H0CR, usb2h0cr); |
| 236 | |
| 237 | /* |
| 238 | * Clear resets |
| 239 | */ |
| 240 | udelay (1000); |
| 241 | mtsdr(SDR0_SRST1, 0x00000000); |
| 242 | udelay (1000); |
| 243 | mtsdr(SDR0_SRST0, 0x00000000); |
| 244 | |
| 245 | printf("USB: Host(int phy) Device(ext phy)\n"); |
| 246 | |
| 247 | /* |
| 248 | * Clear PLB4A0_ACR[WRP] |
| 249 | * This fix will make the MAL burst disabling patch for the Linux |
| 250 | * EMAC driver obsolete. |
| 251 | */ |
Stefan Roese | 297a658 | 2009-09-09 16:25:29 +0200 | [diff] [blame^] | 252 | reg = mfdcr(PLB4_ACR) & ~PLB4_ACR_WRP; |
| 253 | mtdcr(PLB4_ACR, reg); |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 254 | |
| 255 | /* |
Stefan Roese | 3ad6387 | 2007-08-21 16:27:57 +0200 | [diff] [blame] | 256 | * Init matrix keyboard |
| 257 | */ |
| 258 | misc_init_r_kbd(); |
| 259 | |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 260 | return 0; |
| 261 | } |
| 262 | |
| 263 | int checkboard(void) |
| 264 | { |
| 265 | char *s = getenv("serial#"); |
| 266 | |
| 267 | printf("Board: lwmon5"); |
| 268 | |
| 269 | if (s != NULL) { |
| 270 | puts(", serial# "); |
| 271 | puts(s); |
| 272 | } |
| 273 | putc('\n'); |
| 274 | |
| 275 | return (0); |
| 276 | } |
| 277 | |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 278 | /************************************************************************* |
| 279 | * pci_pre_init |
| 280 | * |
| 281 | * This routine is called just prior to registering the hose and gives |
| 282 | * the board the opportunity to check things. Returning a value of zero |
| 283 | * indicates that things are bad & PCI initialization should be aborted. |
| 284 | * |
| 285 | * Different boards may wish to customize the pci controller structure |
| 286 | * (add regions, override default access routines, etc) or perform |
| 287 | * certain pre-initialization actions. |
| 288 | * |
| 289 | ************************************************************************/ |
Stefan Roese | 466fff1 | 2007-06-25 15:57:39 +0200 | [diff] [blame] | 290 | #if defined(CONFIG_PCI) |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 291 | int pci_pre_init(struct pci_controller *hose) |
| 292 | { |
| 293 | unsigned long addr; |
| 294 | |
| 295 | /*-------------------------------------------------------------------------+ |
| 296 | | Set priority for all PLB3 devices to 0. |
| 297 | | Set PLB3 arbiter to fair mode. |
| 298 | +-------------------------------------------------------------------------*/ |
Stefan Roese | 297a658 | 2009-09-09 16:25:29 +0200 | [diff] [blame^] | 299 | mfsdr(SD0_AMP1, addr); |
| 300 | mtsdr(SD0_AMP1, (addr & 0x000000FF) | 0x0000FF00); |
| 301 | addr = mfdcr(PLB3_ACR); |
| 302 | mtdcr(PLB3_ACR, addr | 0x80000000); |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 303 | |
| 304 | /*-------------------------------------------------------------------------+ |
| 305 | | Set priority for all PLB4 devices to 0. |
| 306 | +-------------------------------------------------------------------------*/ |
Stefan Roese | 297a658 | 2009-09-09 16:25:29 +0200 | [diff] [blame^] | 307 | mfsdr(SD0_AMP0, addr); |
| 308 | mtsdr(SD0_AMP0, (addr & 0x000000FF) | 0x0000FF00); |
| 309 | addr = mfdcr(PLB4_ACR) | 0xa0000000; /* Was 0x8---- */ |
| 310 | mtdcr(PLB4_ACR, addr); |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 311 | |
| 312 | /*-------------------------------------------------------------------------+ |
| 313 | | Set Nebula PLB4 arbiter to fair mode. |
| 314 | +-------------------------------------------------------------------------*/ |
| 315 | /* Segment0 */ |
Stefan Roese | 297a658 | 2009-09-09 16:25:29 +0200 | [diff] [blame^] | 316 | addr = (mfdcr(PLB0_ACR) & ~PLB0_ACR_PPM_MASK) | PLB0_ACR_PPM_FAIR; |
| 317 | addr = (addr & ~PLB0_ACR_HBU_MASK) | PLB0_ACR_HBU_ENABLED; |
| 318 | addr = (addr & ~PLB0_ACR_RDP_MASK) | PLB0_ACR_RDP_4DEEP; |
| 319 | addr = (addr & ~PLB0_ACR_WRP_MASK) | PLB0_ACR_WRP_2DEEP; |
| 320 | mtdcr(PLB0_ACR, addr); |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 321 | |
| 322 | /* Segment1 */ |
Stefan Roese | 297a658 | 2009-09-09 16:25:29 +0200 | [diff] [blame^] | 323 | addr = (mfdcr(PLB1_ACR) & ~PLB1_ACR_PPM_MASK) | PLB1_ACR_PPM_FAIR; |
| 324 | addr = (addr & ~PLB1_ACR_HBU_MASK) | PLB1_ACR_HBU_ENABLED; |
| 325 | addr = (addr & ~PLB1_ACR_RDP_MASK) | PLB1_ACR_RDP_4DEEP; |
| 326 | addr = (addr & ~PLB1_ACR_WRP_MASK) | PLB1_ACR_WRP_2DEEP; |
| 327 | mtdcr(PLB1_ACR, addr); |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 328 | |
| 329 | return 1; |
| 330 | } |
Stefan Roese | 466fff1 | 2007-06-25 15:57:39 +0200 | [diff] [blame] | 331 | #endif /* defined(CONFIG_PCI) */ |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 332 | |
| 333 | /************************************************************************* |
| 334 | * pci_target_init |
| 335 | * |
| 336 | * The bootstrap configuration provides default settings for the pci |
| 337 | * inbound map (PIM). But the bootstrap config choices are limited and |
| 338 | * may not be sufficient for a given board. |
| 339 | * |
| 340 | ************************************************************************/ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 341 | #if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 342 | void pci_target_init(struct pci_controller *hose) |
| 343 | { |
| 344 | /*--------------------------------------------------------------------------+ |
| 345 | * Set up Direct MMIO registers |
| 346 | *--------------------------------------------------------------------------*/ |
| 347 | /*--------------------------------------------------------------------------+ |
| 348 | | PowerPC440EPX PCI Master configuration. |
| 349 | | Map one 1Gig range of PLB/processor addresses to PCI memory space. |
| 350 | | PLB address 0xA0000000-0xDFFFFFFF ==> PCI address 0xA0000000-0xDFFFFFFF |
| 351 | | Use byte reversed out routines to handle endianess. |
| 352 | | Make this region non-prefetchable. |
| 353 | +--------------------------------------------------------------------------*/ |
| 354 | out32r(PCIX0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 355 | out32r(PCIX0_PMM0LA, CONFIG_SYS_PCI_MEMBASE); /* PMM0 Local Address */ |
| 356 | out32r(PCIX0_PMM0PCILA, CONFIG_SYS_PCI_MEMBASE); /* PMM0 PCI Low Address */ |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 357 | out32r(PCIX0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */ |
| 358 | out32r(PCIX0_PMM0MA, 0xE0000001); /* 512M + No prefetching, and enable region */ |
| 359 | |
| 360 | out32r(PCIX0_PMM1MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 361 | out32r(PCIX0_PMM1LA, CONFIG_SYS_PCI_MEMBASE2); /* PMM0 Local Address */ |
| 362 | out32r(PCIX0_PMM1PCILA, CONFIG_SYS_PCI_MEMBASE2); /* PMM0 PCI Low Address */ |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 363 | out32r(PCIX0_PMM1PCIHA, 0x00000000); /* PMM0 PCI High Address */ |
| 364 | out32r(PCIX0_PMM1MA, 0xE0000001); /* 512M + No prefetching, and enable region */ |
| 365 | |
| 366 | out32r(PCIX0_PTM1MS, 0x00000001); /* Memory Size/Attribute */ |
| 367 | out32r(PCIX0_PTM1LA, 0); /* Local Addr. Reg */ |
| 368 | out32r(PCIX0_PTM2MS, 0); /* Memory Size/Attribute */ |
| 369 | out32r(PCIX0_PTM2LA, 0); /* Local Addr. Reg */ |
| 370 | |
| 371 | /*--------------------------------------------------------------------------+ |
| 372 | * Set up Configuration registers |
| 373 | *--------------------------------------------------------------------------*/ |
| 374 | |
| 375 | /* Program the board's subsystem id/vendor id */ |
| 376 | pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID, |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 377 | CONFIG_SYS_PCI_SUBSYS_VENDORID); |
| 378 | pci_write_config_word(0, PCI_SUBSYSTEM_ID, CONFIG_SYS_PCI_SUBSYS_ID); |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 379 | |
| 380 | /* Configure command register as bus master */ |
| 381 | pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER); |
| 382 | |
| 383 | /* 240nS PCI clock */ |
| 384 | pci_write_config_word(0, PCI_LATENCY_TIMER, 1); |
| 385 | |
| 386 | /* No error reporting */ |
| 387 | pci_write_config_word(0, PCI_ERREN, 0); |
| 388 | |
| 389 | pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101); |
| 390 | |
| 391 | } |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 392 | #endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */ |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 393 | |
| 394 | /************************************************************************* |
| 395 | * pci_master_init |
| 396 | * |
| 397 | ************************************************************************/ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 398 | #if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_MASTER_INIT) |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 399 | void pci_master_init(struct pci_controller *hose) |
| 400 | { |
| 401 | unsigned short temp_short; |
| 402 | |
| 403 | /*--------------------------------------------------------------------------+ |
| 404 | | Write the PowerPC440 EP PCI Configuration regs. |
| 405 | | Enable PowerPC440 EP to be a master on the PCI bus (PMM). |
| 406 | | Enable PowerPC440 EP to act as a PCI memory target (PTM). |
| 407 | +--------------------------------------------------------------------------*/ |
| 408 | pci_read_config_word(0, PCI_COMMAND, &temp_short); |
| 409 | pci_write_config_word(0, PCI_COMMAND, |
| 410 | temp_short | PCI_COMMAND_MASTER | |
| 411 | PCI_COMMAND_MEMORY); |
| 412 | } |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 413 | #endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_MASTER_INIT) */ |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 414 | |
| 415 | /************************************************************************* |
| 416 | * is_pci_host |
| 417 | * |
| 418 | * This routine is called to determine if a pci scan should be |
| 419 | * performed. With various hardware environments (especially cPCI and |
| 420 | * PPMC) it's insufficient to depend on the state of the arbiter enable |
| 421 | * bit in the strap register, or generic host/adapter assumptions. |
| 422 | * |
| 423 | * Rather than hard-code a bad assumption in the general 440 code, the |
| 424 | * 440 pci code requires the board to decide at runtime. |
| 425 | * |
| 426 | * Return 0 for adapter mode, non-zero for host (monarch) mode. |
| 427 | * |
| 428 | * |
| 429 | ************************************************************************/ |
| 430 | #if defined(CONFIG_PCI) |
| 431 | int is_pci_host(struct pci_controller *hose) |
| 432 | { |
| 433 | /* Cactus is always configured as host. */ |
| 434 | return (1); |
| 435 | } |
| 436 | #endif /* defined(CONFIG_PCI) */ |
| 437 | |
| 438 | void hw_watchdog_reset(void) |
| 439 | { |
| 440 | int val; |
Yuri Tikhonov | d32a874 | 2008-04-06 19:19:14 +0200 | [diff] [blame] | 441 | #if defined(CONFIG_WD_MAX_RATE) |
| 442 | unsigned long long ct = get_ticks(); |
| 443 | |
| 444 | /* |
| 445 | * Don't allow watch-dog triggering more frequently than |
| 446 | * the predefined value CONFIG_WD_MAX_RATE [ticks]. |
| 447 | */ |
| 448 | if (ct >= gd->wdt_last) { |
| 449 | if ((ct - gd->wdt_last) < CONFIG_WD_MAX_RATE) |
| 450 | return; |
| 451 | } else { |
| 452 | /* Time base counter had been reset */ |
| 453 | if (((unsigned long long)(-1) - gd->wdt_last + ct) < |
| 454 | CONFIG_WD_MAX_RATE) |
| 455 | return; |
| 456 | } |
| 457 | gd->wdt_last = get_ticks(); |
| 458 | #endif |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 459 | |
| 460 | /* |
| 461 | * Toggle watchdog output |
| 462 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 463 | val = gpio_read_out_bit(CONFIG_SYS_GPIO_WATCHDOG) == 0 ? 1 : 0; |
| 464 | gpio_write_bit(CONFIG_SYS_GPIO_WATCHDOG, val); |
Stefan Roese | b765ffb | 2007-06-15 08:18:01 +0200 | [diff] [blame] | 465 | } |
Stefan Roese | c25dd8f | 2007-08-23 11:02:37 +0200 | [diff] [blame] | 466 | |
| 467 | int do_eeprom_wp(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
| 468 | { |
| 469 | if (argc < 2) { |
Peter Tyser | 62c3ae7 | 2009-01-27 18:03:10 -0600 | [diff] [blame] | 470 | cmd_usage(cmdtp); |
Stefan Roese | c25dd8f | 2007-08-23 11:02:37 +0200 | [diff] [blame] | 471 | return 1; |
| 472 | } |
| 473 | |
| 474 | if ((strcmp(argv[1], "on") == 0)) { |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 475 | gpio_write_bit(CONFIG_SYS_GPIO_EEPROM_EXT_WP, 1); |
Stefan Roese | c25dd8f | 2007-08-23 11:02:37 +0200 | [diff] [blame] | 476 | } else if ((strcmp(argv[1], "off") == 0)) { |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 477 | gpio_write_bit(CONFIG_SYS_GPIO_EEPROM_EXT_WP, 0); |
Stefan Roese | c25dd8f | 2007-08-23 11:02:37 +0200 | [diff] [blame] | 478 | } else { |
Peter Tyser | 62c3ae7 | 2009-01-27 18:03:10 -0600 | [diff] [blame] | 479 | cmd_usage(cmdtp); |
Stefan Roese | c25dd8f | 2007-08-23 11:02:37 +0200 | [diff] [blame] | 480 | return 1; |
| 481 | } |
| 482 | |
| 483 | |
| 484 | return 0; |
| 485 | } |
| 486 | |
| 487 | U_BOOT_CMD( |
| 488 | eepromwp, 2, 0, do_eeprom_wp, |
Peter Tyser | 2fb2604 | 2009-01-27 18:03:12 -0600 | [diff] [blame] | 489 | "eeprom write protect off/on", |
Wolfgang Denk | a89c33d | 2009-05-24 17:06:54 +0200 | [diff] [blame] | 490 | "<on|off> - enable (on) or disable (off) I2C EEPROM write protect" |
Stefan Roese | c25dd8f | 2007-08-23 11:02:37 +0200 | [diff] [blame] | 491 | ); |
Anatolij Gustschin | d610a60 | 2008-01-11 15:31:09 +0100 | [diff] [blame] | 492 | |
| 493 | #if defined(CONFIG_VIDEO) |
| 494 | #include <video_fb.h> |
| 495 | #include <mb862xx.h> |
| 496 | |
| 497 | extern GraphicDevice mb862xx; |
| 498 | |
| 499 | static const gdc_regs init_regs [] = |
| 500 | { |
| 501 | {0x0100, 0x00000f00}, |
| 502 | {0x0020, 0x801401df}, |
| 503 | {0x0024, 0x00000000}, |
| 504 | {0x0028, 0x00000000}, |
| 505 | {0x002c, 0x00000000}, |
| 506 | {0x0110, 0x00000000}, |
| 507 | {0x0114, 0x00000000}, |
| 508 | {0x0118, 0x01df0280}, |
| 509 | {0x0004, 0x031f0000}, |
| 510 | {0x0008, 0x027f027f}, |
| 511 | {0x000c, 0x015f028f}, |
| 512 | {0x0010, 0x020c0000}, |
| 513 | {0x0014, 0x01df01ea}, |
| 514 | {0x0018, 0x00000000}, |
| 515 | {0x001c, 0x01e00280}, |
| 516 | {0x0100, 0x80010f00}, |
| 517 | {0x0, 0x0} |
| 518 | }; |
| 519 | |
| 520 | const gdc_regs *board_get_regs (void) |
| 521 | { |
| 522 | return init_regs; |
| 523 | } |
| 524 | |
| 525 | /* Returns Lime base address */ |
| 526 | unsigned int board_video_init (void) |
| 527 | { |
| 528 | /* |
| 529 | * Reset Lime controller |
| 530 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 531 | gpio_write_bit(CONFIG_SYS_GPIO_LIME_S, 1); |
Anatolij Gustschin | d610a60 | 2008-01-11 15:31:09 +0100 | [diff] [blame] | 532 | udelay(500); |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 533 | gpio_write_bit(CONFIG_SYS_GPIO_LIME_RST, 1); |
Anatolij Gustschin | d610a60 | 2008-01-11 15:31:09 +0100 | [diff] [blame] | 534 | |
| 535 | /* Lime memory clock adjusted to 100MHz */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 536 | out_be32((void *)CONFIG_SYS_LIME_SDRAM_CLOCK, CONFIG_SYS_LIME_CLOCK_100MHZ); |
Anatolij Gustschin | d610a60 | 2008-01-11 15:31:09 +0100 | [diff] [blame] | 537 | /* Wait untill time expired. Because of requirements in lime manual */ |
| 538 | udelay(300); |
| 539 | /* Write lime controller memory parameters */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 540 | out_be32((void *)CONFIG_SYS_LIME_MMR, CONFIG_SYS_LIME_MMR_VALUE); |
Anatolij Gustschin | d610a60 | 2008-01-11 15:31:09 +0100 | [diff] [blame] | 541 | |
| 542 | mb862xx.winSizeX = 640; |
| 543 | mb862xx.winSizeY = 480; |
| 544 | mb862xx.gdfBytesPP = 2; |
| 545 | mb862xx.gdfIndex = GDF_15BIT_555RGB; |
| 546 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 547 | return CONFIG_SYS_LIME_BASE_0; |
Anatolij Gustschin | d610a60 | 2008-01-11 15:31:09 +0100 | [diff] [blame] | 548 | } |
| 549 | |
Yuri Tikhonov | 0f855a1 | 2008-03-18 13:27:57 +0100 | [diff] [blame] | 550 | #define DEFAULT_BRIGHTNESS 0x64 |
| 551 | |
| 552 | static void board_backlight_brightness(int brightness) |
Anatolij Gustschin | d610a60 | 2008-01-11 15:31:09 +0100 | [diff] [blame] | 553 | { |
Yuri Tikhonov | 0f855a1 | 2008-03-18 13:27:57 +0100 | [diff] [blame] | 554 | if (brightness > 0) { |
Anatolij Gustschin | d610a60 | 2008-01-11 15:31:09 +0100 | [diff] [blame] | 555 | /* pwm duty, lamp on */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 556 | out_be32((void *)(CONFIG_SYS_FPGA_BASE_0 + 0x00000024), brightness); |
| 557 | out_be32((void *)(CONFIG_SYS_FPGA_BASE_0 + 0x00000020), 0x701); |
Anatolij Gustschin | d610a60 | 2008-01-11 15:31:09 +0100 | [diff] [blame] | 558 | } else { |
| 559 | /* lamp off */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 560 | out_be32((void *)(CONFIG_SYS_FPGA_BASE_0 + 0x00000024), 0x00); |
| 561 | out_be32((void *)(CONFIG_SYS_FPGA_BASE_0 + 0x00000020), 0x00); |
Anatolij Gustschin | d610a60 | 2008-01-11 15:31:09 +0100 | [diff] [blame] | 562 | } |
| 563 | } |
| 564 | |
Yuri Tikhonov | 0f855a1 | 2008-03-18 13:27:57 +0100 | [diff] [blame] | 565 | void board_backlight_switch (int flag) |
| 566 | { |
| 567 | char * param; |
| 568 | int rc; |
| 569 | |
| 570 | if (flag) { |
| 571 | param = getenv("brightness"); |
| 572 | rc = param ? simple_strtol(param, NULL, 10) : -1; |
| 573 | if (rc < 0) |
| 574 | rc = DEFAULT_BRIGHTNESS; |
| 575 | } else { |
| 576 | rc = 0; |
| 577 | } |
| 578 | board_backlight_brightness(rc); |
| 579 | } |
| 580 | |
Anatolij Gustschin | d610a60 | 2008-01-11 15:31:09 +0100 | [diff] [blame] | 581 | #if defined(CONFIG_CONSOLE_EXTRA_INFO) |
| 582 | /* |
| 583 | * Return text to be printed besides the logo. |
| 584 | */ |
| 585 | void video_get_info_str (int line_number, char *info) |
| 586 | { |
| 587 | if (line_number == 1) { |
| 588 | strcpy (info, " Board: Lwmon5 (Liebherr Elektronik GmbH)"); |
| 589 | } else { |
| 590 | info [0] = '\0'; |
| 591 | } |
| 592 | } |
| 593 | #endif |
| 594 | #endif /* CONFIG_VIDEO */ |
Yuri Tikhonov | ff818b2 | 2008-02-04 17:11:53 +0100 | [diff] [blame] | 595 | |
| 596 | void board_reset(void) |
| 597 | { |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 598 | gpio_write_bit(CONFIG_SYS_GPIO_BOARD_RESET, 1); |
Yuri Tikhonov | ff818b2 | 2008-02-04 17:11:53 +0100 | [diff] [blame] | 599 | } |