Alexandru Gagniuc | 37a8a8b | 2013-05-21 14:51:26 -0500 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2011-2012 Alexandru Gagniuc <mr.nuke.me@gmail.com> |
| 5 | * |
| 6 | * This program is free software: you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation, either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 18 | */ |
| 19 | |
| 20 | /* |
| 21 | * Inspired from the EPIA-M700 |
| 22 | */ |
Alexandru Gagniuc | 37a8a8b | 2013-05-21 14:51:26 -0500 | [diff] [blame] | 23 | #include <stdint.h> |
| 24 | #include <device/pci_def.h> |
| 25 | #include <device/pci_ids.h> |
| 26 | #include <arch/io.h> |
| 27 | #include <device/pnp_def.h> |
| 28 | #include <arch/io.h> |
| 29 | #include <arch/hlt.h> |
| 30 | #include <console/console.h> |
| 31 | #include <lib.h> |
| 32 | #include <cpu/x86/bist.h> |
| 33 | #include <string.h> |
| 34 | #include <timestamp.h> |
| 35 | #include <console/cbmem_console.h> |
| 36 | |
| 37 | #include "northbridge/via/vx900/early_vx900.h" |
| 38 | #include "northbridge/via/vx900/raminit.h" |
Edward O'Callaghan | d304331 | 2014-03-29 20:28:03 +1100 | [diff] [blame^] | 39 | #include <superio/fintek/f81865f/f81865f.h> |
Alexandru Gagniuc | 37a8a8b | 2013-05-21 14:51:26 -0500 | [diff] [blame] | 40 | |
| 41 | #define SERIAL_DEV PNP_DEV(0x4e, 0x10) |
| 42 | |
Alexandru Gagniuc | 37a8a8b | 2013-05-21 14:51:26 -0500 | [diff] [blame] | 43 | /* cache_as_ram.inc jumps to here. */ |
| 44 | void main(unsigned long bist) |
| 45 | { |
| 46 | u32 tolm; |
Kyösti Mälkki | c0beb6d | 2013-09-08 13:48:36 +0300 | [diff] [blame] | 47 | |
| 48 | timestamp_init(rdtsc()); |
| 49 | timestamp_add_now(TS_START_ROMSTAGE); |
Alexandru Gagniuc | 37a8a8b | 2013-05-21 14:51:26 -0500 | [diff] [blame] | 50 | |
| 51 | /* First thing we need to do on the VX900, before anything else */ |
| 52 | vx900_enable_pci_config_space(); |
| 53 | |
| 54 | /* Serial console is easy to take care of */ |
| 55 | f81865f_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); |
| 56 | console_init(); |
| 57 | print_debug("Console initialized. \n"); |
| 58 | |
| 59 | vx900_cpu_bus_interface_setup(); |
| 60 | |
| 61 | /* Be smart. Get this info */ |
| 62 | vx900_print_strapping_info(); |
| 63 | /* DEVEL helper */ |
| 64 | vx900_disable_auto_reboot(); |
| 65 | /* Halt if there was a built-in self test failure. */ |
| 66 | report_bist_failure(bist); |
| 67 | |
| 68 | /* Oh, almighty, give us the SMBUS */ |
| 69 | enable_smbus(); |
| 70 | |
Kyösti Mälkki | c0beb6d | 2013-09-08 13:48:36 +0300 | [diff] [blame] | 71 | timestamp_add_now(TS_BEFORE_INITRAM); |
Alexandru Gagniuc | 37a8a8b | 2013-05-21 14:51:26 -0500 | [diff] [blame] | 72 | /* Now we can worry about raminit. |
| 73 | * This board only has DDR3, so no need to worry about which DRAM type |
| 74 | * to use */ |
| 75 | dimm_layout dimms = { {0x50, 0x51, SPD_END_LIST} }; |
| 76 | vx900_init_dram_ddr3(&dimms); |
Kyösti Mälkki | c0beb6d | 2013-09-08 13:48:36 +0300 | [diff] [blame] | 77 | timestamp_add_now(TS_AFTER_INITRAM); |
Alexandru Gagniuc | 37a8a8b | 2013-05-21 14:51:26 -0500 | [diff] [blame] | 78 | |
| 79 | /* TODO: All these ram_checks are here to ensure we test most of the RAM |
| 80 | * below 4G. They should not be needed once VX900 raminit is stable */ |
| 81 | ram_check(0, 0x80); |
| 82 | ram_check(512 << 10, 0x80); |
| 83 | ram_check((1 << 20) - (1 << 10), 0x80); |
| 84 | ram_check((1 << 24), 0x80); |
| 85 | ram_check((512 + 256 - 1) << 20, 0x80); |
| 86 | ram_check(0x80c0000, 0x80); |
| 87 | tolm = ((pci_read_config16(MCU, 0x84) & 0xfff0) >> 4) << 20; |
| 88 | if (tolm > (1 * (u32) GiB)) |
| 89 | ram_check(1024 << 10, 0x80); |
| 90 | if (tolm > (2 * (u32) GiB)) |
| 91 | ram_check(2048 << 20, 0x80); |
| 92 | |
| 93 | print_debug("We passed RAM verify\n"); |
Kyösti Mälkki | c0beb6d | 2013-09-08 13:48:36 +0300 | [diff] [blame] | 94 | |
Alexandru Gagniuc | 37a8a8b | 2013-05-21 14:51:26 -0500 | [diff] [blame] | 95 | /* We got RAM working, now we can write the timestamps to RAM */ |
Kyösti Mälkki | f8bf5a1 | 2013-10-11 22:08:02 +0300 | [diff] [blame] | 96 | #if CONFIG_EARLY_CBMEM_INIT |
Kyösti Mälkki | 2d8520b | 2014-01-06 17:20:31 +0200 | [diff] [blame] | 97 | cbmem_recovery(0); |
Kyösti Mälkki | f8bf5a1 | 2013-10-11 22:08:02 +0300 | [diff] [blame] | 98 | #endif |
Kyösti Mälkki | c0beb6d | 2013-09-08 13:48:36 +0300 | [diff] [blame] | 99 | timestamp_add_now(TS_END_ROMSTAGE); |
Alexandru Gagniuc | 37a8a8b | 2013-05-21 14:51:26 -0500 | [diff] [blame] | 100 | /* FIXME: See if this is needed or take this out please */ |
| 101 | /* Disable Memcard and SDIO */ |
| 102 | pci_mod_config8(LPC, 0x51, 0, (1 << 7) | (1 << 4)); |
Alexandru Gagniuc | 37a8a8b | 2013-05-21 14:51:26 -0500 | [diff] [blame] | 103 | } |