diff options
Diffstat (limited to 'src/mainboard/broadcom/blast/romstage.c')
| -rw-r--r-- | src/mainboard/broadcom/blast/romstage.c | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/src/mainboard/broadcom/blast/romstage.c b/src/mainboard/broadcom/blast/romstage.c new file mode 100644 index 000000000000..6169841f69f4 --- /dev/null +++ b/src/mainboard/broadcom/blast/romstage.c @@ -0,0 +1,267 @@ +#define ASSEMBLY 1 +#define __PRE_RAM__ + +#define QRANK_DIMM_SUPPORT 1 + +#if CONFIG_LOGICAL_CPUS==1 +#define SET_NB_CFG_54 1 +#endif + +#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 "option_table.h" +#include "pc80/mc146818rtc_early.c" +#include "pc80/serial.c" +#include "arch/i386/lib/console.c" +#include "lib/ramtest.c" + +#if 0 +static void post_code(uint8_t value) { +#if 0 + int i; + for(i=0;i<0x80000;i++) { + outb(value, 0x80); + } +#endif +} +#endif + +#include <cpu/amd/model_fxx_rev.h> +#include "northbridge/amd/amdk8/incoherent_ht.c" +#include "southbridge/broadcom/bcm5785/bcm5785_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/nsc/pc87417/pc87417_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, PC87417_SP1) +#define RTC_DEV PNP_DEV(0x2e, PC87417_RTC) + +#include "southbridge/broadcom/bcm5785/bcm5785_early_setup.c" + +static void memreset_setup(void) +{ +} + +static void memreset(int controllers, const struct mem_controller *ctrl) +{ +} + +static inline void activate_spd_rom(const struct mem_controller *ctrl) +{ +#define SMBUS_HUB 0x71 + int ret,i; + unsigned device=(ctrl->channel0[0])>>8; + smbus_send_byte(SMBUS_HUB, device); +} +#if 0 +static inline void change_i2c_mux(unsigned device) +{ +#define SMBUS_HUB 0x71 + int ret; + print_debug("change_i2c_mux i="); print_debug_hex8(device); print_debug("\r\n"); + ret = smbus_send_byte(SMBUS_HUB, device); + print_debug("change_i2c_mux ret="); print_debug_hex32(ret); print_debug("\r\n"); +} +#endif + +static inline int spd_read_byte(unsigned device, unsigned address) +{ + return smbus_read_byte(device, address); +} + +#include "northbridge/amd/amdk8/raminit.c" +#include "northbridge/amd/amdk8/coherent_ht.c" +#include "lib/generic_sdram.c" + + /* tyan does not want the default */ +#include "resourcemap.c" + +#include "cpu/amd/dualcore/dualcore.c" + +#define RC0 (6<<8) +#define RC1 (7<<8) + +#define DIMM0 0x50 +#define DIMM1 0x51 +#define DIMM2 0x52 +#define DIMM3 0x53 + +#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 "northbridge/amd/amdk8/early_ht.c" + +void failover_process(unsigned long bist, unsigned long cpu_init_detectedx) +{ + + + /* Is this a cpu only reset? Is this a secondary cpu? */ + if ((cpu_init_detectedx) || (!boot_cpu())) { + if (last_boot_normal()) { // RTC already inited + 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(); + + bcm5785_enable_rom(); + + bcm5785_enable_lpc(); + + //enable RTC + pc87417_enable_dev(RTC_DEV); + + /* Is this a deliberate reset by the bios */ +// post_code(0x22); + if (bios_reset_detected() && last_boot_normal()) { + 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: +// post_code(0x23); + __asm__ volatile ("jmp __normal_image" + : /* outputs */ + : "a" (bist), "b" (cpu_init_detectedx) /* inputs */ + ); + + fallback_image: +// post_code(0x25); + ; +} +#endif /* CONFIG_USE_FALLBACK_IMAGE == 1 */ + +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 uint16_t spd_addr[] = { + RC0|DIMM0, RC0|DIMM2, 0, 0, + RC0|DIMM1, RC0|DIMM3, 0, 0, +#if CONFIG_MAX_PHYSICAL_CPUS > 1 + RC1|DIMM0, RC1|DIMM2, 0, 0, + RC1|DIMM1, RC1|DIMM3, 0, 0, +#endif + }; + + int needs_reset; + unsigned bsp_apicid = 0; + + struct mem_controller ctrl[8]; + unsigned nodes; + + if (bist == 0) { + bsp_apicid = init_cpus(cpu_init_detectedx); + } +// post_code(0x32); + + pc87417_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); +// post_code(0x33); + + uart_init(); +// post_code(0x34); + + console_init(); + + /* Halt if there was a built in self test failure */ + report_bist_failure(bist); + + print_debug("bsp_apicid="); print_debug_hex8(bsp_apicid); print_debug("\r\n"); + + setup_blast_resource_map(); + +#if 0 + dump_pci_device(PCI_DEV(0, 0x18, 0)); + dump_pci_device(PCI_DEV(0, 0x19, 0)); +#endif + + needs_reset = setup_coherent_ht_domain(); + +#if CONFIG_LOGICAL_CPUS==1 + // It is said that we should start core1 after all core0 launched + wait_all_core0_started(); + start_other_cores(); +#endif + wait_all_aps_started(bsp_apicid); + + needs_reset |= ht_setup_chains_x(); + + bcm5785_early_setup(); + + if (needs_reset) { + print_info("ht reset -\r\n"); + soft_reset(); + } + + allow_all_aps_stop(bsp_apicid); + + nodes = get_nodes(); + //It's the time to set ctrl now; + fill_mem_ctrl(nodes, ctrl, spd_addr); + + enable_smbus(); + +#if 0 + int i; + for(i=4;i<8;i++) { + change_i2c_mux(i); + dump_smbus_registers(); + } +#endif + + memreset_setup(); + +// init_timer(); + + sdram_initialize(nodes, ctrl); + +#if 0 + print_pci_devices(); +#endif + +#if 0 + dump_pci_devices(); +#endif + + post_cache_as_ram(); + +} |