From 304f24c2d2ed21ee807d4df78d35424748cb4102 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Fri, 8 Jul 2005 02:56:47 +0000 Subject: missed cache_as_ram_auto.c git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1983 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/mainboard/tyan/s2880/cache_as_ram_auto.c | 409 +++++++++++++++++++++++++++ 1 file changed, 409 insertions(+) create mode 100644 src/mainboard/tyan/s2880/cache_as_ram_auto.c (limited to 'src/mainboard/tyan/s2880') diff --git a/src/mainboard/tyan/s2880/cache_as_ram_auto.c b/src/mainboard/tyan/s2880/cache_as_ram_auto.c new file mode 100644 index 0000000000..59500f1cfe --- /dev/null +++ b/src/mainboard/tyan/s2880/cache_as_ram_auto.c @@ -0,0 +1,409 @@ +#define ASSEMBLY 1 +#define __ROMCC__ + +#include +#include +#include +#include +#include +#include +#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/cpu_rev.c" +#define K8_HT_FREQ_1G_SUPPORT 0 +#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" + +#if CONFIG_USE_INIT == 0 +#include "lib/memcpy.c" +#endif + +#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) +/* 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, 0), 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, 0), 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); + } +} + +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 K8_4RANK_DIMM_SUPPORT 1 + +#include "northbridge/amd/amdk8/raminit.c" +#include "northbridge/amd/amdk8/resourcemap.c" +#include "northbridge/amd/amdk8/coherent_ht.c" +#include "sdram/generic_sdram.c" + +#if CONFIG_LOGICAL_CPUS==1 +#define SET_NB_CFG_54 1 +#include "cpu/amd/dualcore/dualcore.c" +#else +#include "cpu/amd/model_fxx/node_id.c" +#endif + +#define FIRST_CPU 1 +#define SECOND_CPU 1 +#define TOTAL_CPUS (FIRST_CPU + SECOND_CPU) + +#include "cpu/amd/car/copy_and_run.c" + +#if USE_FALLBACK_IMAGE == 1 + +#include "southbridge/amd/amd8111/amd8111_enable_rom.c" +#include "northbridge/amd/amdk8/early_ht.c" + +void real_main(unsigned long bist); + +void amd64_main(unsigned long bist) +{ +#if CONFIG_LOGICAL_CPUS==1 + struct node_core_id id; +#else + unsigned nodeid; +#endif + /* Make cerain my local apic is useable */ +// enable_lapic(); + +#if CONFIG_LOGICAL_CPUS==1 + id = get_node_core_id_x(); + /* Is this a cpu only reset? */ + if (cpu_init_detected(id.nodeid)) { +#else +// nodeid = lapicid(); + nodeid = get_node_id(); + /* Is this a cpu only reset? */ + if (cpu_init_detected(nodeid)) { +#endif + if (last_boot_normal()) { + goto normal_image; + } else { + goto cpu_reset; + } + } + + /* Is this a secondary cpu? */ + if (!boot_cpu()) { + if (last_boot_normal()) { + 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(); + + /* Setup the ck804 */ + amd8111_enable_rom(); + + /* Is this a deliberate reset by the bios */ + 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: + __asm__ volatile ("jmp __normal_image" + : /* outputs */ + : "a" (bist) /* inputs */ + ); + cpu_reset: +#if 0 + //CPU reset will reset memtroller ??? + asm volatile ("jmp __cpu_reset" + : /* outputs */ + : "a"(bist) /* inputs */ + ); +#endif + + fallback_image: + real_main(bist); +} +void real_main(unsigned long bist) +#else +void amd64_main(unsigned long bist) +#endif +{ + 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 = { (0xa<<3)|0, (0xa<<3)|2, 0, 0 }, + .channel1 = { (0xa<<3)|1, (0xa<<3)|3, 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 = { (0xa<<3)|4, (0xa<<3)|6, 0, 0 }, + .channel1 = { (0xa<<3)|5, (0xa<<3)|7, 0, 0 }, + }, +#endif + }; + + int needs_reset; + unsigned cpu_reset = 0; + + if (bist == 0) { +#if CONFIG_LOGICAL_CPUS==1 + struct node_core_id id; +#else + unsigned nodeid; +#endif + /* Skip this if there was a built in self test failure */ +// amd_early_mtrr_init(); # don't need, already done in cache_as_ram + +#if CONFIG_LOGICAL_CPUS==1 + set_apicid_cpuid_lo(); + id = get_node_core_id_x(); // that is initid +#else + nodeid = get_node_id(); +#endif + + enable_lapic(); + init_timer(); + + +#if CONFIG_LOGICAL_CPUS==1 + if(id.coreid == 0) { + if (cpu_init_detected(id.nodeid)) { + cpu_reset = 1; + goto cpu_reset_x; + } + distinguish_cpu_resets(id.nodeid); + } +#else + if (cpu_init_detected(nodeid)) { + cpu_reset = 1; + goto cpu_reset_x; + } + distinguish_cpu_resets(nodeid); +#endif + + + if (!boot_cpu() +#if CONFIG_LOGICAL_CPUS==1 + || (id.coreid != 0) +#endif + ) { + // We need stop the CACHE as RAM for this CPU too + #include "cpu/amd/car/cache_as_ram_post.c" + 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_default_resource_map(); + + needs_reset = setup_coherent_ht_domain(); + +#if CONFIG_LOGICAL_CPUS==1 + start_other_cores(); +#endif + needs_reset |= ht_setup_chains_x(); + + if (needs_reset) { + print_info("ht reset -\r\n"); + soft_reset(); + } + + enable_smbus(); + + memreset_setup(); + sdram_initialize(sizeof(cpu)/sizeof(cpu[0]), cpu); + +#if 1 + { + /* Check value of esp to verify if we have enough rom for stack in Cache as RAM */ + unsigned v_esp; + __asm__ volatile ( + "movl %%esp, %0\n\t" + : "=a" (v_esp) + ); +#if CONFIG_USE_INIT + printk_debug("v_esp=%08x\r\n", v_esp); +#else + print_debug("v_esp="); print_debug_hex32(v_esp); print_debug("\r\n"); +#endif + } +#endif + +#if 1 + + +cpu_reset_x: + +#if CONFIG_USE_INIT + printk_debug("cpu_reset = %08x\r\n",cpu_reset); +#else + print_debug("cpu_reset = "); print_debug_hex32(cpu_reset); print_debug("\r\n"); +#endif + + if(cpu_reset == 0) { + print_debug("Clearing initial memory region: "); + } + print_debug("No cache as ram now - "); + + /* store cpu_reset to ebx */ + __asm__ volatile ( + "movl %0, %%ebx\n\t" + ::"a" (cpu_reset) + ); + + if(cpu_reset==0) { +#define CLEAR_FIRST_1M_RAM 1 +#include "cpu/amd/car/cache_as_ram_post.c" + } + else { +#undef CLEAR_FIRST_1M_RAM +#include "cpu/amd/car/cache_as_ram_post.c" + } + + __asm__ volatile ( + /* set new esp */ /* before _RAMBASE */ + "subl %0, %%ebp\n\t" + "subl %0, %%esp\n\t" + ::"a"( (DCACHE_RAM_BASE + DCACHE_RAM_SIZE)- _RAMBASE ) + ); + + { + unsigned new_cpu_reset; + + /* get back cpu_reset from ebx */ + __asm__ volatile ( + "movl %%ebx, %0\n\t" + :"=a" (new_cpu_reset) + ); + + print_debug("Use Ram as Stack now - "); /* but We can not go back any more, we lost old stack data in cache as ram*/ + if(new_cpu_reset==0) { + print_debug("done\r\n"); + } else + { + print_debug("\r\n"); + } + +#if CONFIG_USE_INIT + printk_debug("new_cpu_reset = %08x\r\n", new_cpu_reset); +#else + print_debug("new_cpu_reset = "); print_debug_hex32(new_cpu_reset); print_debug("\r\n"); +#endif + /*copy and execute linuxbios_ram */ + copy_and_run(new_cpu_reset); + /* We will not return */ + } +#endif + + + print_debug("should not be here -\r\n"); + +} -- cgit v1.2.3