From 38f147ed3d9fdd6bfb23d7226f6fdd3fc5db53d0 Mon Sep 17 00:00:00 2001 From: Stefan Reinauer Date: Mon, 8 Feb 2010 12:20:50 +0000 Subject: janitor task: unify and cleanup naming. cache_as_ram_auto.c and auto.c are both called "romstage.c" now. Signed-off-by: Stefan Reinauer Acked-by: Patrick Georgi git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5092 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/mainboard/artecgroup/dbe61/romstage.c | 217 ++++++++++++++++++++++++++++++ 1 file changed, 217 insertions(+) create mode 100644 src/mainboard/artecgroup/dbe61/romstage.c (limited to 'src/mainboard/artecgroup/dbe61/romstage.c') diff --git a/src/mainboard/artecgroup/dbe61/romstage.c b/src/mainboard/artecgroup/dbe61/romstage.c new file mode 100644 index 0000000..0b3721a --- /dev/null +++ b/src/mainboard/artecgroup/dbe61/romstage.c @@ -0,0 +1,217 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define ASSEMBLY 1 +#define __PRE_RAM__ + +#include +#include +#include +#include +#include +#include +#include +#include "pc80/serial.c" +#include "arch/i386/lib/console.c" +#include "lib/ramtest.c" +#include "cpu/x86/bist.h" +#include "cpu/x86/msr.h" +#include +#include +#include "southbridge/amd/cs5536/cs5536.h" +#include "spd_table.h" + + +#define POST_CODE(x) outb(x, 0x80) + +#include "southbridge/amd/cs5536/cs5536_early_smbus.c" +#include "southbridge/amd/cs5536/cs5536_early_setup.c" + +#define DIMM0 0xA0 +#define DIMM1 0xA2 + + +static int spd_read_byte(unsigned device, unsigned address) +{ + int i; + + if (device == DIMM0){ + for (i=0; i < (ARRAY_SIZE(spd_table)); i++){ + if (spd_table[i].address == address){ + return spd_table[i].data; + } + } + } + + /* returns 0xFF on any failures */ + return 0xFF; +} + +#define ManualConf 0 /* Do automatic strapped PLL config */ +/* CPU and GLIU mult/div 500/266*/ +#define PLLMSRhi 0x0000039C /* 33MHz PCI, 0x000003DD for 66MHz PCI */ +/* Hold Count - how long we will sit in reset */ +#define PLLMSRlo 0x00DE6000 + +#include "northbridge/amd/lx/raminit.h" +#include "northbridge/amd/lx/pll_reset.c" +#include "northbridge/amd/lx/raminit.c" +#include "lib/generic_sdram.c" +#include "cpu/amd/model_lx/cpureginit.c" +#include "cpu/amd/model_lx/syspreinit.c" + +static void msr_init(void) +{ + msr_t msr; + /* Setup access to the cache for under 1MB. */ + msr.hi = 0x24fffc02; + msr.lo = 0x1000A000; /* 0-A0000 write back */ + wrmsr(CPU_RCONF_DEFAULT, msr); + + msr.hi = 0x0; /* write back */ + msr.lo = 0x0; + wrmsr(CPU_RCONF_A0_BF, msr); + wrmsr(CPU_RCONF_C0_DF, msr); + wrmsr(CPU_RCONF_E0_FF, msr); + + /* Setup access to the cache for under 640K. Note MC not setup yet. */ + msr.hi = 0x20000000; + msr.lo = 0xfff80; + wrmsr(MSR_GLIU0 + 0x20, msr); + + msr.hi = 0x20000000; + msr.lo = 0x80fffe0; + wrmsr(MSR_GLIU0 + 0x21, msr); + + msr.hi = 0x20000000; + msr.lo = 0xfff80; + wrmsr(MSR_GLIU1 + 0x20, msr); + + msr.hi = 0x20000000; + msr.lo = 0x80fffe0; + wrmsr(MSR_GLIU1 + 0x21, msr); + +} + +static void mb_gpio_init(void) +{ + /* Early mainboard specific GPIO setup */ +} + +static void cs5536_setup_onchipuart2(void) +{ + msr_t msr; + + /* GPIO4 - UART2_TX */ + /* Set: Output Enable (0x4) */ + outl(GPIOL_4_SET, GPIO_IO_BASE + GPIOL_OUTPUT_ENABLE); + /* Set: OUTAUX1 Select (0x10) */ + outl(GPIOL_4_SET, GPIO_IO_BASE + GPIOL_OUT_AUX1_SELECT); + /* GPIO4 - UART2_RX */ + /* Set: Input Enable (0x20) */ + outl(GPIOL_3_SET, GPIO_IO_BASE + GPIOL_INPUT_ENABLE); + /* Set: INAUX1 Select (0x34) */ + outl(GPIOL_3_SET, GPIO_IO_BASE + GPIOL_IN_AUX1_SELECT); + + /* Set: GPIO 3 + 3 Pull Up (0x18) */ + outl(GPIOL_3_SET | GPIOL_4_SET, GPIO_IO_BASE + GPIOL_PULLUP_ENABLE); + + /* set address to 3F8 */ + msr = rdmsr(MDD_LEG_IO); + msr.lo |= 0x7 << 20; + wrmsr(MDD_LEG_IO, msr); + + /* Bit 1 = DEVEN (device enable) + * Bit 4 = EN_BANKS (allow access to the upper banks + */ + msr.lo = (1 << 4) | (1 << 1); + msr.hi = 0; + + /* enable COM2 */ + wrmsr(MDD_UART2_CONF, msr); +} + +void cache_as_ram_main(void) +{ + POST_CODE(0x01); + + static const struct mem_controller memctrl[] = { + {.channel0 = {(0xa << 3) | 0, (0xa << 3) | 1}} + }; + + SystemPreInit(); + msr_init(); + + cs5536_early_setup(); + + /* NOTE: must do this AFTER the early_setup! + * it is counting on some early MSR setup + * for cs5536 + */ + /* cs5536_disable_internal_uart disable them. Set them up now... */ + cs5536_setup_onchipuart2(); /* dbe61 uses UART2 as COM1 */ + mb_gpio_init(); + uart_init(); + console_init(); + + pll_reset(ManualConf); + + cpuRegInit(); + + sdram_initialize(1, memctrl); + + /* Dump memory configuratation */ + /*{ + msr_t msr; + msr = rdmsr(MC_CF07_DATA); + print_debug("MC_CF07_DATA: "); + print_debug_hex32(MC_CF07_DATA); + print_debug(" value is: "); + print_debug_hex32(msr.hi); + print_debug(":"); + print_debug_hex32(msr.lo); + print_debug(" \n"); + + msr = rdmsr(MC_CF1017_DATA); + print_debug("MC_CF1017_DATA: "); + print_debug_hex32(MC_CF1017_DATA); + print_debug(" value is: "); + print_debug_hex32(msr.hi); + print_debug(":"); + print_debug_hex32(msr.lo); + print_debug(" \n"); + + msr = rdmsr(MC_CF8F_DATA); + print_debug("MC_CF8F_DATA: "); + print_debug_hex32(MC_CF8F_DATA); + print_debug(" value is: "); + print_debug_hex32(msr.hi); + print_debug(":"); + print_debug_hex32(msr.lo); + msr = rdmsr(MC_CF8F_DATA); + print_debug(" \n"); + }*/ + + /* Check memory. */ + /* ram_check(0x00000000, 640 * 1024); */ + + /* Memory is setup. Return to cache_as_ram.inc and continue to boot */ + return; +} -- cgit v1.1