diff options
Diffstat (limited to 'src/mainboard/tyan/s4882/cache_as_ram_auto.c')
| -rw-r--r-- | src/mainboard/tyan/s4882/cache_as_ram_auto.c | 51 |
1 files changed, 40 insertions, 11 deletions
diff --git a/src/mainboard/tyan/s4882/cache_as_ram_auto.c b/src/mainboard/tyan/s4882/cache_as_ram_auto.c index bbcc49a9cf..234e3a0a58 100644 --- a/src/mainboard/tyan/s4882/cache_as_ram_auto.c +++ b/src/mainboard/tyan/s4882/cache_as_ram_auto.c @@ -37,20 +37,52 @@ #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, 1), 0x04, 3); + set_bios_reset(); /* enable cf9 */ - pci_write_config8(PCI_DEV(0, 0x04, 3), 0x41, 0xf1); + 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, 1), 0x04, 0); + set_bios_reset(); - pci_write_config8(PCI_DEV(0, 0x04, 0), 0x47, 1); + pci_write_config8(dev, 0x47, 1); } static void memreset_setup(void) @@ -77,6 +109,7 @@ static inline void activate_spd_rom(const struct mem_controller *ctrl) #define SMBUS_HUB 0x18 int ret,i; unsigned device=(ctrl->channel0[0])>>8; + /* the very first write always get COL_STS=1 and ABRT_STS=1, so try another time*/ i=2; do { ret = smbus_write_byte(SMBUS_HUB, 0x01, device); @@ -109,6 +142,8 @@ static inline int spd_read_byte(unsigned device, unsigned address) #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 @@ -325,7 +360,6 @@ void amd64_main(unsigned long bist) distinguish_cpu_resets(nodeid); #endif - if (!boot_cpu() #if CONFIG_LOGICAL_CPUS==1 || (id.coreid != 0) @@ -337,22 +371,15 @@ void amd64_main(unsigned long bist) } } - w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE); uart_init(); console_init(); - dump_mem(DCACHE_RAM_BASE+DCACHE_RAM_SIZE-0x200, DCACHE_RAM_BASE+DCACHE_RAM_SIZE); - /* Halt if there was a built in self test failure */ report_bist_failure(bist); setup_s4882_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 @@ -387,6 +414,7 @@ void amd64_main(unsigned long bist) } #endif +#if 1 cpu_reset_x: @@ -450,6 +478,7 @@ cpu_reset_x: copy_and_run(new_cpu_reset); /* We will not return */ } +#endif print_debug("should not be here -\r\n"); |