diff options
Diffstat (limited to 'src/mainboard/tyan/s4880/auto.c')
| -rw-r--r-- | src/mainboard/tyan/s4880/auto.c | 332 |
1 files changed, 332 insertions, 0 deletions
diff --git a/src/mainboard/tyan/s4880/auto.c b/src/mainboard/tyan/s4880/auto.c new file mode 100644 index 0000000000..fc1bf58e91 --- /dev/null +++ b/src/mainboard/tyan/s4880/auto.c @@ -0,0 +1,332 @@ +#define ASSEMBLY 1 + +#include <stdint.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 <arch/cpu.h> +#include "option_table.h" +#include "pc80/mc146818rtc_early.c" +#include "pc80/serial.c" +#include "arch/i386/lib/console.c" +#include "ram/ramtest.c" +#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 "northbridge/amd/amdk8/cpu_rev.c" +#include "superio/winbond/w83627hf/w83627hf_early_serial.c" +#include "cpu/amd/mtrr/amd_earlymtrr.c" +#include "cpu/x86/bist.h" + +#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1) + +/* Look up a which bus a given node/link combination is on. + * return 0 when we can't find the answer. + */ +static unsigned node_link_to_bus(unsigned node, unsigned link) +{ + unsigned reg; + + for(reg = 0xE0; reg < 0xF0; reg += 0x04) { + unsigned config_map; + config_map = pci_read_config32(PCI_DEV(0, 0x18, 1), reg); + if ((config_map & 3) != 3) { + continue; + } + if ((((config_map >> 4) & 7) == node) && + (((config_map >> 8) & 3) == link)) + { + return (config_map >> 16) & 0xff; + } + } + return 0; +} + +static void hard_reset(void) +{ + device_t dev; + + /* Find the device */ + dev = PCI_DEV(node_link_to_bus(0, 2), 0x04, 3); + + set_bios_reset(); + + /* enable cf9 */ + pci_write_config8(dev, 0x41, 0xf1); + /* reset */ + outb(0x0e, 0x0cf9); +} + +static void soft_reset(void) +{ + device_t dev; + + /* Find the device */ + dev = PCI_DEV(node_link_to_bus(0, 2), 0x04, 0); + + set_bios_reset(); + pci_write_config8(dev, 0x47, 1); +} + +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); + } +} + +#if 0 +static unsigned int generate_row(uint8_t node, uint8_t row, uint8_t maxnodes) +{ + /* Routing Table Node i + * + * F0: 0x40, 0x44, 0x48, 0x4c, 0x50, 0x54, 0x58, 0x5c + * i: 0, 1, 2, 3, 4, 5, 6, 7 + * + * [ 0: 3] Request Route + * [0] Route to this node + * [1] Route to Link 0 + * [2] Route to Link 1 + * [3] Route to Link 2 + * [11: 8] Response Route + * [0] Route to this node + * [1] Route to Link 0 + * [2] Route to Link 1 + * [3] Route to Link 2 + * [19:16] Broadcast route + * [0] Route to this node + * [1] Route to Link 0 + * [2] Route to Link 1 + * [3] Route to Link 2 + */ + uint32_t ret=0x00010101; /* default row entry */ + +/* + (L1) (L2) + CPU3-------------CPU1 + (L0)| |(L0) + | | + | | + | | + | | + (L0)| |(L0) + CPU2-------------CPU0---------8131----------8111 + (L2) (L1) (L2) +*/ + + /* Link0 of CPU0 to Link0 of CPU1 */ + /* Link1 of CPU0 to Link2 of CPU2 */ + /* Link2 of CPU1 to Link1 of CPU3 */ + /* Link0 of CPU2 to Link0 of CPU3 */ + + static const unsigned int rows_4p[4][4] = { + { 0x00070101, 0x00010202, 0x00030404, 0x00010204 }, + { 0x00010202, 0x000b0101, 0x00010208, 0x00030808 }, + { 0x00030808, 0x00010208, 0x000b0101, 0x00010202 }, + { 0x00010204, 0x00030404, 0x00010202, 0x00070101 } + }; + + if (!(node>=maxnodes || row>=maxnodes)) { + ret=rows_4p[node][row]; + } + + return ret; +} +#endif + +static inline void activate_spd_rom(const struct mem_controller *ctrl) +{ +#define SMBUS_HUB 0x18 + unsigned device=(ctrl->channel0[0])>>8; + smbus_write_byte(SMBUS_HUB , 0x01, device); + smbus_write_byte(SMBUS_HUB , 0x03, 0); +} + +static inline int spd_read_byte(unsigned device, unsigned address) +{ + return smbus_read_byte(device, address); +} + +#include "northbridge/amd/amdk8/setup_resource_map.c" +#include "northbridge/amd/amdk8/raminit.c" + +#include "northbridge/amd/amdk8/coherent_ht.c" +#include "sdram/generic_sdram.c" + + /* tyan does not want the default */ +#include "resourcemap.c" + +#if CONFIG_LOGICAL_CPUS==1 +#define SET_NB_CFG_54 1 +#include "cpu/amd/dualcore/dualcore.c" +#endif + +#define FIRST_CPU 1 +#define SECOND_CPU 1 + +#define THIRD_CPU 1 +#define FOURTH_CPU 1 + +#define TOTAL_CPUS (FIRST_CPU + SECOND_CPU + THIRD_CPU + FOURTH_CPU) + +#define RC0 ((1<<1)<<8) +#define RC1 ((1<<2)<<8) +#define RC2 ((1<<3)<<8) +#define RC3 ((1<<4)<<8) + +#define DIMM0 0x50 +#define DIMM1 0x51 +#define DIMM2 0x52 +#define DIMM3 0x53 + +static void main(unsigned long bist) +{ + static const struct mem_controller cpu[] = { +#if FIRST_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 = { RC0|DIMM0, RC0|DIMM2, 0, 0 }, + .channel1 = { RC0|DIMM1, RC0|DIMM3, 0, 0 }, + }, +#endif +#if SECOND_CPU + { + .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 = { RC1|DIMM0, 0 , 0, 0 }, + .channel1 = { RC1|DIMM1, 0, 0, 0 }, + + }, +#endif + +#if THIRD_CPU + { + .node_id = 2, + .f0 = PCI_DEV(0, 0x1a, 0), + .f1 = PCI_DEV(0, 0x1a, 1), + .f2 = PCI_DEV(0, 0x1a, 2), + .f3 = PCI_DEV(0, 0x1a, 3), + .channel0 = { RC2|DIMM0, 0, 0, 0 }, + .channel1 = { RC2|DIMM1, 0, 0, 0 }, + + }, +#endif +#if FOURTH_CPU + { + .node_id = 3, + .f0 = PCI_DEV(0, 0x1b, 0), + .f1 = PCI_DEV(0, 0x1b, 1), + .f2 = PCI_DEV(0, 0x1b, 2), + .f3 = PCI_DEV(0, 0x1b, 3), + .channel0 = { RC3|DIMM0, 0, 0, 0 }, + .channel1 = { RC3|DIMM1, 0, 0, 0 }, + + }, +#endif + }; + int i; + int needs_reset; +#if CONFIG_LOGICAL_CPUS==1 + struct node_core_id id; +#else + unsigned nodeid; +#endif + + if (bist == 0) { + /* Skip this if there was a built in self test failure */ + amd_early_mtrr_init(); + +#if CONFIG_LOGICAL_CPUS==1 + set_apicid_cpuid_lo(); +#endif + + enable_lapic(); + init_timer(); + +#if CONFIG_LOGICAL_CPUS==1 + id = get_node_core_id_x(); + if(id.coreid == 0) { + if (cpu_init_detected(id.nodeid)) { + asm volatile ("jmp __cpu_reset"); + } + distinguish_cpu_resets(id.nodeid); +// start_other_core(id.nodeid); + } +#else + nodeid = lapicid(); + if (cpu_init_detected(nodeid)) { + asm volatile ("jmp __cpu_reset"); + } + distinguish_cpu_resets(nodeid); +#endif + + if (!boot_cpu() +#if CONFIG_LOGICAL_CPUS==1 + || (id.coreid != 0) +#endif + ) { + stop_this_cpu(); // it will stop all cores except core0 of cpu0 + } + } + + w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE); + uart_init(); + console_init(); + + /* Halt if there was a built in self test failure */ + report_bist_failure(bist); + + setup_s4880_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 + +#if 0 + needs_reset |= ht_setup_chain(PCI_DEV(0, 0x18, 0), 0xc0); +#else + // automatically set that for you, but you might meet tight space + needs_reset |= ht_setup_chains_x(); +#endif + + if (needs_reset) { + print_info("ht reset -\r\n"); + soft_reset(); + } + + enable_smbus(); + + memreset_setup(); + sdram_initialize(sizeof(cpu)/sizeof(cpu[0]), cpu); + +} |