diff options
Diffstat (limited to 'src/mainboard/artecgroup/dbe61')
| -rw-r--r-- | src/mainboard/artecgroup/dbe61/romstage.c | 67 |
1 files changed, 35 insertions, 32 deletions
diff --git a/src/mainboard/artecgroup/dbe61/romstage.c b/src/mainboard/artecgroup/dbe61/romstage.c index 2fb86f1dac..29120136a6 100644 --- a/src/mainboard/artecgroup/dbe61/romstage.c +++ b/src/mainboard/artecgroup/dbe61/romstage.c @@ -70,37 +70,37 @@ static int spd_read_byte(unsigned device, unsigned address) #include "cpu/amd/model_lx/cpureginit.c" #include "cpu/amd/model_lx/syspreinit.c" -static void msr_init(void) -{ +struct msrinit { + u32 msrnum; msr_t msr; - /* Setup access to the cache for under 1MB. */ - msr.hi = 0x24fffc02; - msr.lo = 0x1000A000; /* 0-A0000 write back */ - wrmsr(CPU_RCONF_DEFAULT, msr); - - msr.hi = 0x0; /* write back */ - msr.lo = 0x0; - wrmsr(CPU_RCONF_A0_BF, msr); - wrmsr(CPU_RCONF_C0_DF, msr); - wrmsr(CPU_RCONF_E0_FF, msr); - - /* Setup access to the cache for under 640K. Note MC not setup yet. */ - msr.hi = 0x20000000; - msr.lo = 0xfff80; - wrmsr(MSR_GLIU0 + 0x20, msr); - - msr.hi = 0x20000000; - msr.lo = 0x80fffe0; - wrmsr(MSR_GLIU0 + 0x21, msr); - - msr.hi = 0x20000000; - msr.lo = 0xfff80; - wrmsr(MSR_GLIU1 + 0x20, msr); - - msr.hi = 0x20000000; - msr.lo = 0x80fffe0; - wrmsr(MSR_GLIU1 + 0x21, msr); +}; +static const struct msrinit msr_table[] = +{ + {CPU_RCONF_DEFAULT, {.hi = 0x24fffc02,.lo = 0x1000A000}}, /* Setup access to cache under 1MB. + * Rom Properties: Write Serialize, WriteProtect. + * RomBase: 0xFFFC0 + * SysTop to RomBase Properties: Write Serialize, Cache Disable. + * SysTop: 0x000A0 + * System Memory Properties: (Write Back) */ + {CPU_RCONF_A0_BF, {.hi = 0x00000000,.lo = 0x00000000}}, /* 0xA0000-0xBFFFF : (Write Back) */ + {CPU_RCONF_C0_DF, {.hi = 0x00000000,.lo = 0x00000000}}, /* 0xC0000-0xDFFFF : (Write Back) */ + {CPU_RCONF_E0_FF, {.hi = 0x00000000,.lo = 0x00000000}}, /* 0xE0000-0xFFFFF : (Write Back) */ + + /* Setup access to memory under 1MB. Note: VGA hole at 0xA0000-0xBFFFF */ + {MSR_GLIU0_BASE1, {.hi = 0x20000000,.lo = 0x000fff80}}, // 0x00000-0x7FFFF + {MSR_GLIU0_BASE2, {.hi = 0x20000000,.lo = 0x080fffe0}}, // 0x80000-0x9FFFF + {MSR_GLIU0_SHADOW, {.hi = 0x2000FFFF,.lo = 0xFFFF0003}}, // 0xC0000-0xFFFFF + {MSR_GLIU1_BASE1, {.hi = 0x20000000,.lo = 0x000fff80}}, // 0x00000-0x7FFFF + {MSR_GLIU1_BASE2, {.hi = 0x20000000,.lo = 0x080fffe0}}, // 0x80000-0x9FFFF + {MSR_GLIU1_SHADOW, {.hi = 0x2000FFFF,.lo = 0xFFFF0003}}, // 0xC0000-0xFFFFF +}; + +static void msr_init(void) +{ + int i; + for (i = 0; i < ARRAY_SIZE(msr_table); i++) + wrmsr(msr_table[i].msrnum, msr_table[i].msr); } static void mb_gpio_init(void) @@ -112,6 +112,7 @@ void cache_as_ram_main(void) { post_code(0x01); + msr_t msr; static const struct mem_controller memctrl[] = { {.channel0 = {(0xa << 3) | 0, (0xa << 3) | 1}} }; @@ -127,6 +128,11 @@ void cache_as_ram_main(void) */ /* cs5536_disable_internal_uart disable them. Set them up now... */ cs5536_setup_onchipuart(2); /* dbe61 uses UART2 as COM1 */ + /* set address to 3F8 */ + msr = rdmsr(MDD_LEG_IO); + msr.lo |= 0x7 << 20; + wrmsr(MDD_LEG_IO, msr); + mb_gpio_init(); uart_init(); console_init(); @@ -171,8 +177,5 @@ void cache_as_ram_main(void) /* Check memory. */ /* ram_check(0x00000000, 640 * 1024); */ - - /* Memory is setup. Return to cache_as_ram.inc and continue to boot */ - return; } |