wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2003 Travis B. Sawyer <travis.sawyer@sandburst.com> |
| 3 | * |
| 4 | * See file CREDITS for list of people who contributed to this |
| 5 | * project. |
| 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 | |
| 24 | #include <common.h> |
| 25 | #include <asm/processor.h> |
| 26 | #include <spd_sdram.h> |
| 27 | #include <i2c.h> |
Wolfgang Denk | d2567be | 2009-03-28 20:16:16 +0100 | [diff] [blame] | 28 | #include <net.h> |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 29 | |
Wolfgang Denk | d87080b | 2006-03-31 18:32:53 +0200 | [diff] [blame] | 30 | DECLARE_GLOBAL_DATA_PTR; |
| 31 | |
wdenk | 3c74e32 | 2004-02-22 23:46:08 +0000 | [diff] [blame] | 32 | int board_early_init_f(void) |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 33 | { |
| 34 | unsigned long sdrreg; |
| 35 | /* TBS: Setup the GPIO access for the user LEDs */ |
| 36 | mfsdr(sdr_pfc0, sdrreg); |
| 37 | mtsdr(sdr_pfc0, (sdrreg & ~0x00000100) | 0x00000E00); |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 38 | out32(CONFIG_SYS_GPIO_BASE + 0x018, (USR_LED0 | USR_LED1 | USR_LED2 | USR_LED3)); |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 39 | LED0_OFF(); |
| 40 | LED1_OFF(); |
| 41 | LED2_OFF(); |
| 42 | LED3_OFF(); |
| 43 | |
| 44 | /*-------------------------------------------------------------------- |
| 45 | * Setup the external bus controller/chip selects |
| 46 | *-------------------------------------------------------------------*/ |
Peter Tyser | 11ad309 | 2009-07-17 19:01:03 -0500 | [diff] [blame] | 47 | mtebc (pb0ap, 0x04055200); /* 16MB Strata FLASH */ |
| 48 | mtebc (pb0cr, 0xff098000); /* BAS=0xff0 16MB R/W 8-bit */ |
| 49 | mtebc (pb1ap, 0x04055200); /* 512KB Socketed AMD FLASH */ |
| 50 | mtebc (pb1cr, 0xfe018000); /* BAS=0xfe0 1MB R/W 8-bit */ |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 51 | |
| 52 | /*-------------------------------------------------------------------- |
| 53 | * Setup the interrupt controller polarities, triggers, etc. |
| 54 | *-------------------------------------------------------------------*/ |
Stefan Roese | 5de8514 | 2008-06-26 17:36:39 +0200 | [diff] [blame] | 55 | /* |
| 56 | * Because of the interrupt handling rework to handle 440GX interrupts |
| 57 | * with the common code, we needed to change names of the UIC registers. |
| 58 | * Here the new relationship: |
| 59 | * |
| 60 | * U-Boot name 440GX name |
| 61 | * ----------------------- |
| 62 | * UIC0 UICB0 |
| 63 | * UIC1 UIC0 |
| 64 | * UIC2 UIC1 |
| 65 | * UIC3 UIC2 |
| 66 | */ |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 67 | mtdcr (uic1sr, 0xffffffff); /* clear all */ |
| 68 | mtdcr (uic1er, 0x00000000); /* disable all */ |
Stefan Roese | 5de8514 | 2008-06-26 17:36:39 +0200 | [diff] [blame] | 69 | mtdcr (uic1cr, 0x00000003); /* SMI & UIC1 crit are critical */ |
| 70 | mtdcr (uic1pr, 0xfffffe00); /* per ref-board manual */ |
| 71 | mtdcr (uic1tr, 0x01c00000); /* per ref-board manual */ |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 72 | mtdcr (uic1vr, 0x00000001); /* int31 highest, base=0x000 */ |
| 73 | mtdcr (uic1sr, 0xffffffff); /* clear all */ |
| 74 | |
| 75 | mtdcr (uic2sr, 0xffffffff); /* clear all */ |
| 76 | mtdcr (uic2er, 0x00000000); /* disable all */ |
| 77 | mtdcr (uic2cr, 0x00000000); /* all non-critical */ |
Stefan Roese | 5de8514 | 2008-06-26 17:36:39 +0200 | [diff] [blame] | 78 | mtdcr (uic2pr, 0xffffc0ff); /* per ref-board manual */ |
| 79 | mtdcr (uic2tr, 0x00ff8000); /* per ref-board manual */ |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 80 | mtdcr (uic2vr, 0x00000001); /* int31 highest, base=0x000 */ |
| 81 | mtdcr (uic2sr, 0xffffffff); /* clear all */ |
| 82 | |
Stefan Roese | 5de8514 | 2008-06-26 17:36:39 +0200 | [diff] [blame] | 83 | mtdcr (uic3sr, 0xffffffff); /* clear all */ |
| 84 | mtdcr (uic3er, 0x00000000); /* disable all */ |
| 85 | mtdcr (uic3cr, 0x00000000); /* all non-critical */ |
| 86 | mtdcr (uic3pr, 0xffffffff); /* per ref-board manual */ |
| 87 | mtdcr (uic3tr, 0x00ff8c0f); /* per ref-board manual */ |
| 88 | mtdcr (uic3vr, 0x00000001); /* int31 highest, base=0x000 */ |
| 89 | mtdcr (uic3sr, 0xffffffff); /* clear all */ |
| 90 | |
| 91 | mtdcr (uic0sr, 0xfc000000); /* clear all */ |
| 92 | mtdcr (uic0er, 0x00000000); /* disable all */ |
| 93 | mtdcr (uic0cr, 0x00000000); /* all non-critical */ |
| 94 | mtdcr (uic0pr, 0xfc000000); /* */ |
| 95 | mtdcr (uic0tr, 0x00000000); /* */ |
| 96 | mtdcr (uic0vr, 0x00000001); /* */ |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 97 | |
| 98 | LED0_ON(); |
| 99 | |
| 100 | |
| 101 | return 0; |
| 102 | } |
| 103 | |
| 104 | int checkboard (void) |
| 105 | { |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 106 | printf ("Board: XES XPedite1000 440GX\n"); |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 107 | |
| 108 | return (0); |
| 109 | } |
| 110 | |
| 111 | |
Becky Bruce | 9973e3c | 2008-06-09 16:03:40 -0500 | [diff] [blame] | 112 | phys_size_t initdram (int board_type) |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 113 | { |
Peter Tyser | 108d6d0 | 2009-07-17 19:01:05 -0500 | [diff] [blame^] | 114 | return spd_sdram(); |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 115 | } |
| 116 | |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 117 | |
| 118 | /************************************************************************* |
| 119 | * pci_pre_init |
| 120 | * |
| 121 | * This routine is called just prior to registering the hose and gives |
| 122 | * the board the opportunity to check things. Returning a value of zero |
| 123 | * indicates that things are bad & PCI initialization should be aborted. |
| 124 | * |
| 125 | * Different boards may wish to customize the pci controller structure |
| 126 | * (add regions, override default access routines, etc) or perform |
| 127 | * certain pre-initialization actions. |
| 128 | * |
| 129 | ************************************************************************/ |
Stefan Roese | 466fff1 | 2007-06-25 15:57:39 +0200 | [diff] [blame] | 130 | #if defined(CONFIG_PCI) |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 131 | int pci_pre_init(struct pci_controller * hose ) |
| 132 | { |
| 133 | unsigned long strap; |
wdenk | 3c74e32 | 2004-02-22 23:46:08 +0000 | [diff] [blame] | 134 | /* See if we're supposed to setup the pci */ |
| 135 | mfsdr(sdr_sdstp1, strap); |
| 136 | if ((strap & 0x00010000) == 0) { |
| 137 | return (0); |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 138 | } |
| 139 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 140 | #if defined(CONFIG_SYS_PCI_FORCE_PCI_CONV) |
wdenk | 3c74e32 | 2004-02-22 23:46:08 +0000 | [diff] [blame] | 141 | /* Setup System Device Register PCIX0_XCR */ |
| 142 | mfsdr(sdr_xcr, strap); |
| 143 | strap &= 0x0f000000; |
| 144 | mtsdr(sdr_xcr, strap); |
| 145 | #endif |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 146 | return 1; |
| 147 | } |
Stefan Roese | 466fff1 | 2007-06-25 15:57:39 +0200 | [diff] [blame] | 148 | #endif /* defined(CONFIG_PCI) */ |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 149 | |
| 150 | /************************************************************************* |
| 151 | * pci_target_init |
| 152 | * |
| 153 | * The bootstrap configuration provides default settings for the pci |
| 154 | * inbound map (PIM). But the bootstrap config choices are limited and |
| 155 | * may not be sufficient for a given board. |
| 156 | * |
| 157 | ************************************************************************/ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 158 | #if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 159 | void pci_target_init(struct pci_controller * hose ) |
| 160 | { |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 161 | /*--------------------------------------------------------------------------+ |
| 162 | * Disable everything |
| 163 | *--------------------------------------------------------------------------*/ |
| 164 | out32r( PCIX0_PIM0SA, 0 ); /* disable */ |
| 165 | out32r( PCIX0_PIM1SA, 0 ); /* disable */ |
| 166 | out32r( PCIX0_PIM2SA, 0 ); /* disable */ |
| 167 | out32r( PCIX0_EROMBA, 0 ); /* disable expansion rom */ |
| 168 | |
| 169 | /*--------------------------------------------------------------------------+ |
| 170 | * Map all of SDRAM to PCI address 0x0000_0000. Note that the 440 strapping |
| 171 | * options to not support sizes such as 128/256 MB. |
| 172 | *--------------------------------------------------------------------------*/ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 173 | out32r( PCIX0_PIM0LAL, CONFIG_SYS_SDRAM_BASE ); |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 174 | out32r( PCIX0_PIM0LAH, 0 ); |
| 175 | out32r( PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1 ); |
| 176 | |
| 177 | out32r( PCIX0_BAR0, 0 ); |
| 178 | |
| 179 | /*--------------------------------------------------------------------------+ |
| 180 | * Program the board's subsystem id/vendor id |
| 181 | *--------------------------------------------------------------------------*/ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 182 | out16r( PCIX0_SBSYSVID, CONFIG_SYS_PCI_SUBSYS_VENDORID ); |
| 183 | out16r( PCIX0_SBSYSID, CONFIG_SYS_PCI_SUBSYS_DEVICEID ); |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 184 | |
| 185 | out16r( PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY ); |
| 186 | } |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 187 | #endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */ |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 188 | |
| 189 | |
| 190 | /************************************************************************* |
| 191 | * is_pci_host |
| 192 | * |
| 193 | * This routine is called to determine if a pci scan should be |
| 194 | * performed. With various hardware environments (especially cPCI and |
| 195 | * PPMC) it's insufficient to depend on the state of the arbiter enable |
| 196 | * bit in the strap register, or generic host/adapter assumptions. |
| 197 | * |
| 198 | * Rather than hard-code a bad assumption in the general 440 code, the |
| 199 | * 440 pci code requires the board to decide at runtime. |
| 200 | * |
| 201 | * Return 0 for adapter mode, non-zero for host (monarch) mode. |
| 202 | * |
| 203 | * |
| 204 | ************************************************************************/ |
| 205 | #if defined(CONFIG_PCI) |
| 206 | int is_pci_host(struct pci_controller *hose) |
| 207 | { |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 208 | return ((in32(CONFIG_SYS_GPIO_BASE + 0x1C) & 0x00000800) == 0); |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 209 | } |
| 210 | #endif /* defined(CONFIG_PCI) */ |
| 211 | |
| 212 | #ifdef CONFIG_POST |
| 213 | /* |
| 214 | * Returns 1 if keys pressed to start the power-on long-running tests |
| 215 | * Called from board_init_f(). |
| 216 | */ |
| 217 | int post_hotkeys_pressed(void) |
| 218 | { |
| 219 | |
| 220 | return (ctrlc()); |
| 221 | } |
| 222 | |
| 223 | void post_word_store (ulong a) |
| 224 | { |
| 225 | volatile ulong *save_addr = |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 226 | (volatile ulong *)(CONFIG_SYS_POST_WORD_ADDR); |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 227 | |
| 228 | *save_addr = a; |
| 229 | } |
| 230 | |
| 231 | ulong post_word_load (void) |
| 232 | { |
| 233 | volatile ulong *save_addr = |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 234 | (volatile ulong *)(CONFIG_SYS_POST_WORD_ADDR); |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 235 | |
| 236 | return *save_addr; |
| 237 | } |
| 238 | #endif |
| 239 | |
| 240 | /*----------------------------------------------------------------------------- |
| 241 | * board_get_enetaddr -- Read the MAC Addresses in the I2C EEPROM |
| 242 | *----------------------------------------------------------------------------- |
| 243 | */ |
Mike Frysinger | d8d21e6 | 2009-02-16 18:03:14 -0500 | [diff] [blame] | 244 | static int read_i2c; |
| 245 | static void board_get_enetaddr(uchar *enet) |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 246 | { |
| 247 | int i; |
| 248 | unsigned char buff[0x100], *cp; |
| 249 | |
Mike Frysinger | d8d21e6 | 2009-02-16 18:03:14 -0500 | [diff] [blame] | 250 | if (read_i2c) |
| 251 | return; |
| 252 | |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 253 | /* Initialize I2C */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 254 | i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 255 | |
| 256 | /* Read 256 bytes in EEPROM */ |
| 257 | i2c_read (0x50, 0, 1, buff, 0x100); |
| 258 | |
Mike Frysinger | d8d21e6 | 2009-02-16 18:03:14 -0500 | [diff] [blame] | 259 | cp = &buff[0xF4]; |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 260 | for (i = 0; i < 6; i++,cp++) |
| 261 | enet[i] = *cp; |
| 262 | |
Mike Frysinger | d8d21e6 | 2009-02-16 18:03:14 -0500 | [diff] [blame] | 263 | printf("MAC address = %pM\n", enet); |
| 264 | read_i2c = 1; |
| 265 | } |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 266 | |
Mike Frysinger | d8d21e6 | 2009-02-16 18:03:14 -0500 | [diff] [blame] | 267 | int misc_init_r(void) |
| 268 | { |
| 269 | uchar enetaddr[6], i2c_enetaddr[6]; |
| 270 | |
| 271 | if (!eth_getenv_enetaddr("ethaddr", enetaddr)) { |
| 272 | board_get_enetaddr(i2c_enetaddr); |
Mike Frysinger | 0baeca4 | 2009-03-26 11:17:41 -0400 | [diff] [blame] | 273 | eth_setenv_enetaddr("ethaddr", i2c_enetaddr); |
Mike Frysinger | d8d21e6 | 2009-02-16 18:03:14 -0500 | [diff] [blame] | 274 | } |
| 275 | |
| 276 | #ifdef CONFIG_HAS_ETH1 |
| 277 | if (!eth_getenv_enetaddr("eth1addr", enetaddr)) { |
| 278 | board_get_enetaddr(i2c_enetaddr); |
Mike Frysinger | 0baeca4 | 2009-03-26 11:17:41 -0400 | [diff] [blame] | 279 | eth_setenv_enetaddr("eth1addr", i2c_enetaddr); |
Mike Frysinger | d8d21e6 | 2009-02-16 18:03:14 -0500 | [diff] [blame] | 280 | } |
| 281 | #endif |
| 282 | |
| 283 | #ifdef CONFIG_HAS_ETH2 |
| 284 | if (!eth_getenv_enetaddr("eth2addr", enetaddr)) { |
| 285 | board_get_enetaddr(i2c_enetaddr); |
Mike Frysinger | 0baeca4 | 2009-03-26 11:17:41 -0400 | [diff] [blame] | 286 | eth_setenv_enetaddr("eth2addr", i2c_enetaddr); |
Mike Frysinger | d8d21e6 | 2009-02-16 18:03:14 -0500 | [diff] [blame] | 287 | } |
| 288 | #endif |
| 289 | |
| 290 | #ifdef CONFIG_HAS_ETH3 |
| 291 | if (!eth_getenv_enetaddr("eth3addr", enetaddr)) { |
| 292 | board_get_enetaddr(i2c_enetaddr); |
Mike Frysinger | 0baeca4 | 2009-03-26 11:17:41 -0400 | [diff] [blame] | 293 | eth_setenv_enetaddr("eth3addr", i2c_enetaddr); |
Mike Frysinger | d8d21e6 | 2009-02-16 18:03:14 -0500 | [diff] [blame] | 294 | } |
| 295 | #endif |
| 296 | |
| 297 | return 0; |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 298 | } |