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author | Stefan Reinauer <stepan@coresystems.de> | 2010-02-08 12:20:50 +0000 |
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committer | Stefan Reinauer <stepan@openbios.org> | 2010-02-08 12:20:50 +0000 |
commit | 38f147ed3d9fdd6bfb23d7226f6fdd3fc5db53d0 (patch) | |
tree | ecb680abac7c73798a4abf5f5733c6ad3e179bb4 /src/mainboard/amd/norwich/romstage.c | |
parent | d51eddbb6611965165ad72eb3fb04377a51ab64a (diff) | |
download | coreboot-38f147ed3d9fdd6bfb23d7226f6fdd3fc5db53d0.tar.xz |
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 <stepan@coresystems.de>
Acked-by: Patrick Georgi <patrick.georgi@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5092 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard/amd/norwich/romstage.c')
-rw-r--r-- | src/mainboard/amd/norwich/romstage.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/mainboard/amd/norwich/romstage.c b/src/mainboard/amd/norwich/romstage.c new file mode 100644 index 0000000000..fc7e96b342 --- /dev/null +++ b/src/mainboard/amd/norwich/romstage.c @@ -0,0 +1,134 @@ +/* + * 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 + +#include <stdint.h> +#include <device/pci_def.h> +#include <arch/io.h> +#include <device/pnp_def.h> +#include <arch/hlt.h> +#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 <cpu/amd/lxdef.h> +#include <cpu/amd/geode_post_code.h> +#include "southbridge/amd/cs5536/cs5536.h" + +#define POST_CODE(x) outb(x, 0x80) + +#include "southbridge/amd/cs5536/cs5536_early_smbus.c" +#include "southbridge/amd/cs5536/cs5536_early_setup.c" + +static inline int spd_read_byte(unsigned int device, unsigned int address) +{ + return smbus_read_byte(device, address); +} + +#define ManualConf 0 /* Do automatic strapped PLL config */ +#define PLLMSRhi 0x00001490 /* manual settings for the PLL */ +#define PLLMSRlo 0x02000030 +#define DIMM0 0xA0 +#define DIMM1 0xA2 + +#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. */ +} + +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 for now, set them + * up later... + */ + /* If debug. real setup done in chipset init via Config.lb. */ + cs5536_setup_onchipuart(); + mb_gpio_init(); + uart_init(); + console_init(); + + pll_reset(ManualConf); + + cpuRegInit(); + + sdram_initialize(1, memctrl); + + /* Check memory. */ + /* ram_check(0x00000000, 640 * 1024); */ + + /* Memory is setup. Return to cache_as_ram.inc and continue to boot. */ + return; +} |