diff options
Diffstat (limited to 'src/mainboard/tyan/s4882/mainboard.c')
| -rw-r--r-- | src/mainboard/tyan/s4882/mainboard.c | 157 |
1 files changed, 120 insertions, 37 deletions
diff --git a/src/mainboard/tyan/s4882/mainboard.c b/src/mainboard/tyan/s4882/mainboard.c index dcabd840e2..3727ff55f3 100644 --- a/src/mainboard/tyan/s4882/mainboard.c +++ b/src/mainboard/tyan/s4882/mainboard.c @@ -5,12 +5,7 @@ #include <device/pci_ops.h> #include "../../../northbridge/amd/amdk8/northbridge.h" #include "chip.h" -//#include <part/mainboard.h> -//#include "lsi_scsi.c" -unsigned long initial_apicid[CONFIG_MAX_CPUS] = -{ - 0,1,2,3 -}; + #if 0 static void fixup_lsi_53c1030(struct device *pdev) { @@ -26,7 +21,7 @@ static void fixup_lsi_53c1030(struct device *pdev) word = 0x10f1; pci_write_config16(pdev, PCI_SUBSYSTEM_VENDOR_ID, word); // Set the subsytem id - word = 0x4882; + word = 0x2880; pci_write_config16(pdev, PCI_SUBSYSTEM_ID, word); // Disable writes to the device id byte = 0; @@ -36,7 +31,7 @@ static void fixup_lsi_53c1030(struct device *pdev) } #endif -//extern static void lsi_scsi_init(struct device *dev); + #if 0 static void print_pci_regs(struct device *dev) { @@ -58,17 +53,18 @@ static void print_pci_regs(struct device *dev) #if 0 static void print_mem(void) { - int i; - int low_1MB = 0; - for(i=low_1MB;i<low_1MB+1024*4;i++) { + unsigned int i; + unsigned int low_1MB = 0xf4107000; + for(i=low_1MB;i<low_1MB+1024;i++) { if((i%16)==0) printk_debug("\n %08x:",i); printk_debug(" %02x ",(unsigned char)*((unsigned char *)i)); } - +#if 0 for(i=low_1MB;i<low_1MB+1024*4;i++) { if((i%16)==0) printk_debug("\n %08x:",i); printk_debug(" %c ",(unsigned char)*((unsigned char *)i)); } +#endif } #endif #if 0 @@ -91,10 +87,10 @@ static void amd8111_enable_rom(void) static void onboard_scsi_fixup(void) { struct device *dev; -#if 0 +#if 1 unsigned char i,j,k; - for(i=0;i<=6;i++) { + for(i=0;i<=15;i++) { for(j=0;j<=0x1f;j++) { for (k=0;k<=6;k++){ dev = dev_find_slot(i, PCI_DEVFN(j, k)); @@ -133,19 +129,21 @@ static void vga_fixup(void) { #endif #if CONFIG_VGABIOS == 1 printk_debug("DO THE VGA BIOS\n"); - do_vgabios(); + do_vgabios(0x0600); post_code(0x93); #endif } -#endif +#endif + +#if 0 static void enable(struct chip *chip, enum chip_pass pass) { - struct mainboard_tyan_s4882_config *conf = - (struct mainboard_tyan_s4882_config *)chip->chip_info; + struct mainboard_tyan_s2895_config *conf = + (struct mainboard_tyan_s2895_config *)chip->chip_info; switch (pass) { default: break; @@ -163,29 +161,114 @@ enable(struct chip *chip, enum chip_pass pass) } } -static struct device_operations mainboard_operations = { - .read_resources = root_dev_read_resources, - .set_resources = root_dev_set_resources, - .enable_resources = enable_childrens_resources, - .init = 0, - .scan_bus = amdk8_scan_root_bus, - .enable = 0, -}; +#endif -static void enumerate(struct chip *chip) +#undef DEBUG +#define DEBUG 0 +#if DEBUG +static void debug_init(device_t dev) { - struct chip *child; - dev_root.ops = &mainboard_operations; - chip->dev = &dev_root; - chip->bus = 0; - for(child = chip->children; child; child = child->next) { - child->bus = &dev_root.link[0]; + unsigned bus; + unsigned devfn; +#if 0 + for(bus = 0; bus < 256; bus++) { + for(devfn = 0; devfn < 256; devfn++) { + int i; + dev = dev_find_slot(bus, devfn); + if (!dev) { + continue; + } + if (!dev->enabled) { + continue; + } + printk_info("%02x:%02x.%0x aka %s\n", + bus, devfn >> 3, devfn & 7, dev_path(dev)); + for(i = 0; i < 256; i++) { + if ((i & 0x0f) == 0) { + printk_info("%02x:", i); + } + printk_info(" %02x", pci_read_config8(dev, i)); + if ((i & 0x0f) == 0xf) { + printk_info("\n"); + } + } + printk_info("\n"); + } + } +#endif +#if 0 + msr_t msr; + unsigned index; + unsigned eax, ebx, ecx, edx; + index = 0x80000007; + printk_debug("calling cpuid 0x%08x\n", index); + asm volatile( + "cpuid" + : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) + : "a" (index) + ); + printk_debug("cpuid[%08x]: %08x %08x %08x %08x\n", + index, eax, ebx, ecx, edx); + if (edx & (3 << 1)) { + index = 0xC0010042; + printk_debug("Reading msr: 0x%08x\n", index); + msr = rdmsr(index); + printk_debug("msr[0x%08x]: 0x%08x%08x\n", + index, msr.hi, msr.hi); } +#endif } -struct chip_control mainboard_tyan_s4882_control = { - .enable = enable, - .enumerate = enumerate, - .name = "Tyan s4882 mainboard ", + +static void debug_noop(device_t dummy) +{ +} + +static struct device_operations debug_operations = { + .read_resources = debug_noop, + .set_resources = debug_noop, + .enable_resources = debug_noop, + .init = debug_init, }; +static unsigned int scan_root_bus(device_t root, unsigned int max) +{ + struct device_path path; + device_t debug; + max = root_dev_scan_bus(root, max); + path.type = DEVICE_PATH_PNP; + path.u.pnp.port = 0; + path.u.pnp.device = 0; + debug = alloc_dev(&root->link[1], &path); + debug->ops = &debug_operations; + return max; +} +#endif +static void mainboard_init(device_t dev) +{ + root_dev_init(dev); + +// do_verify_cpu_voltages(); +} + +static struct device_operations mainboard_operations = { + .read_resources = root_dev_read_resources, + .set_resources = root_dev_set_resources, + .enable_resources = root_dev_enable_resources, + .init = mainboard_init, +#if !DEBUG + .scan_bus = root_dev_scan_bus, +#else + .scan_bus = scan_root_bus, +#endif + .enable = 0, +}; + +static void enable_dev(struct device *dev) +{ + dev_root.ops = &mainboard_operations; +} +struct chip_operations mainboard_tyan_s4882_ops = { + .name = "Tyan s4882 mainboard ", + .enable_dev = enable_dev, +}; |