diff options
author | Stefan Reinauer <stepan@coresystems.de> | 2010-02-08 12:20:50 +0000 |
---|---|---|
committer | Stefan Reinauer <stepan@openbios.org> | 2010-02-08 12:20:50 +0000 |
commit | 38f147ed3d9fdd6bfb23d7226f6fdd3fc5db53d0 (patch) | |
tree | ecb680abac7c73798a4abf5f5733c6ad3e179bb4 /src/mainboard/tyan/s2882/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/tyan/s2882/romstage.c')
-rw-r--r-- | src/mainboard/tyan/s2882/romstage.c | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/src/mainboard/tyan/s2882/romstage.c b/src/mainboard/tyan/s2882/romstage.c new file mode 100644 index 0000000000..cdea6933ed --- /dev/null +++ b/src/mainboard/tyan/s2882/romstage.c @@ -0,0 +1,213 @@ +#define ASSEMBLY 1 +#define __PRE_RAM__ + +#include <stdint.h> +#include <string.h> +#include <device/pci_def.h> +#include <arch/io.h> +#include <device/pnp_def.h> +#include <arch/romcc_io.h> +#include <cpu/x86/lapic.h> +#include <stdlib.h> +#include "option_table.h" +#include "pc80/mc146818rtc_early.c" +#include "pc80/serial.c" +#include "arch/i386/lib/console.c" +#include "lib/ramtest.c" + +#include <cpu/amd/model_fxx_rev.h> +#include "northbridge/amd/amdk8/incoherent_ht.c" +#include "southbridge/amd/amd8111/amd8111_early_smbus.c" +#include "northbridge/amd/amdk8/raminit.h" +#include "cpu/amd/model_fxx/apic_timer.c" +#include "lib/delay.c" + +#include "cpu/x86/lapic/boot_cpu.c" +#include "northbridge/amd/amdk8/reset_test.c" +#include "northbridge/amd/amdk8/debug.c" +#include "superio/winbond/w83627hf/w83627hf_early_serial.c" + +#include "cpu/amd/mtrr/amd_earlymtrr.c" +#include "cpu/x86/bist.h" + +#include "northbridge/amd/amdk8/setup_resource_map.c" + +#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1) + +#include "southbridge/amd/amd8111/amd8111_early_ctrl.c" + +static void memreset_setup(void) +{ + if (is_cpu_pre_c0()) { + outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 16); //REVC_MEMRST_EN=0 + } + else { + outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 16); //REVC_MEMRST_EN=1 + } + outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 17); +} + +static void memreset(int controllers, const struct mem_controller *ctrl) +{ + if (is_cpu_pre_c0()) { + udelay(800); + outb((0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 17); //REVB_MEMRST_L=1 + udelay(90); + } +} + +static inline void activate_spd_rom(const struct mem_controller *ctrl) +{ + /* nothing to do */ +} + +static inline int spd_read_byte(unsigned device, unsigned address) +{ + return smbus_read_byte(device, address); +} + +#define QRANK_DIMM_SUPPORT 1 + +#include "northbridge/amd/amdk8/raminit.c" +#include "northbridge/amd/amdk8/resourcemap.c" +#include "northbridge/amd/amdk8/coherent_ht.c" +#include "lib/generic_sdram.c" + +#if CONFIG_LOGICAL_CPUS==1 +#define SET_NB_CFG_54 1 +#endif +#include "cpu/amd/dualcore/dualcore.c" + +#define FIRST_CPU 1 +#define SECOND_CPU 1 +#define TOTAL_CPUS (FIRST_CPU + SECOND_CPU) + +#include "cpu/amd/car/copy_and_run.c" + +#include "cpu/amd/car/post_cache_as_ram.c" + +#include "cpu/amd/model_fxx/init_cpus.c" + + +#if CONFIG_USE_FALLBACK_IMAGE == 1 + +#include "southbridge/amd/amd8111/amd8111_enable_rom.c" +#include "northbridge/amd/amdk8/early_ht.c" + +void failover_process(unsigned long bist, unsigned long cpu_init_detectedx) +{ + unsigned last_boot_normal_x = last_boot_normal(); + + /* Is this a cpu only reset? or Is this a secondary cpu? */ + if ((cpu_init_detectedx) || (!boot_cpu())) { + if (last_boot_normal_x) { + goto normal_image; + } else { + goto fallback_image; + } + } + + /* Nothing special needs to be done to find bus 0 */ + /* Allow the HT devices to be found */ + + enumerate_ht_chain(); + + amd8111_enable_rom(); + + /* Is this a deliberate reset by the bios */ + if (bios_reset_detected() && last_boot_normal_x) { + goto normal_image; + } + /* This is the primary cpu how should I boot? */ + else if (do_normal_boot()) { + goto normal_image; + } + else { + goto fallback_image; + } + normal_image: + __asm__ volatile ("jmp __normal_image" + : /* outputs */ + : "a" (bist) , "b" (cpu_init_detectedx) /* inputs */ + ); + + fallback_image: + ; +} +#endif + +void real_main(unsigned long bist, unsigned long cpu_init_detectedx); + +void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) +{ + +#if CONFIG_USE_FALLBACK_IMAGE == 1 + failover_process(bist, cpu_init_detectedx); +#endif + real_main(bist, cpu_init_detectedx); + +} + +void real_main(unsigned long bist, unsigned long cpu_init_detectedx) +{ + static const struct mem_controller cpu[] = { + { + .node_id = 0, + .f0 = PCI_DEV(0, 0x18, 0), + .f1 = PCI_DEV(0, 0x18, 1), + .f2 = PCI_DEV(0, 0x18, 2), + .f3 = PCI_DEV(0, 0x18, 3), + .channel0 = { (0xa<<3)|0, (0xa<<3)|2, 0, 0 }, + .channel1 = { (0xa<<3)|1, (0xa<<3)|3, 0, 0 }, + }, +#if CONFIG_MAX_PHYSICAL_CPUS > 1 + { + .node_id = 1, + .f0 = PCI_DEV(0, 0x19, 0), + .f1 = PCI_DEV(0, 0x19, 1), + .f2 = PCI_DEV(0, 0x19, 2), + .f3 = PCI_DEV(0, 0x19, 3), + .channel0 = { (0xa<<3)|4, (0xa<<3)|6, 0, 0 }, + .channel1 = { (0xa<<3)|5, (0xa<<3)|7, 0, 0 }, + }, +#endif + }; + + int needs_reset; + + if (bist == 0) { + init_cpus(cpu_init_detectedx); + } + + + w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); + uart_init(); + console_init(); + + /* Halt if there was a built in self test failure */ + report_bist_failure(bist); + + setup_default_resource_map(); + + needs_reset = setup_coherent_ht_domain(); + +#if CONFIG_LOGICAL_CPUS==1 + // It is said that we should start core1 after all core0 launched + start_other_cores(); +#endif + // automatically set that for you, but you might meet tight space + needs_reset |= ht_setup_chains_x(); + + if (needs_reset) { + print_info("ht reset -\r\n"); + soft_reset(); + } + + enable_smbus(); + + memreset_setup(); + sdram_initialize(ARRAY_SIZE(cpu), cpu); + + post_cache_as_ram(); + +} |