diff options
Diffstat (limited to 'src/mainboard/tyan/s2881/mainboard.c')
| -rw-r--r-- | src/mainboard/tyan/s2881/mainboard.c | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/src/mainboard/tyan/s2881/mainboard.c b/src/mainboard/tyan/s2881/mainboard.c new file mode 100644 index 0000000000..aa99f64894 --- /dev/null +++ b/src/mainboard/tyan/s2881/mainboard.c @@ -0,0 +1,196 @@ +#include <console/console.h> +#include <device/device.h> +#include <device/chip.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#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 +}; +#if 0 +static void fixup_lsi_53c1030(struct device *pdev) +{ +// uint8_t byte; + uint16_t word; + + byte = 1; + pci_write_config8(pdev, 0xff, byte); + // Set the device id +// pci_write_config_word(pdev, PCI_DEVICE_ID, PCI_DEVICE_ID_LSILOGIC_53C1030); + // Set the subsytem vendor id +// pci_write_config16(pdev, PCI_SUBSYSTEM_VENDOR_ID, PCI_VENDOR_ID_TYAN); + word = 0x10f1; + pci_write_config16(pdev, PCI_SUBSYSTEM_VENDOR_ID, word); + // Set the subsytem id + word = 0x2881; + pci_write_config16(pdev, PCI_SUBSYSTEM_ID, word); + // Disable writes to the device id + byte = 0; + pci_write_config8(pdev, 0xff, byte); + +// lsi_scsi_init(pdev); + +} +#endif +//extern static void lsi_scsi_init(struct device *dev); +#if 1 +static void print_pci_regs(struct device *dev) +{ + uint8_t byte; + int i; + + for(i=0;i<256;i++) { + byte = pci_read_config8(dev, i); + + if((i%16)==0) printk_debug("\n%02x:",i); + printk_debug(" %02x",byte); + } + printk_debug("\n"); + +// pci_write_config8(dev, 0x4, byte); + +} +#endif +#if 0 +static void print_mem(void) +{ + int i; + int low_1MB = 0; + for(i=low_1MB;i<low_1MB+1024*4;i++) { + if((i%16)==0) printk_debug("\n %08x:",i); + printk_debug(" %02x ",(unsigned char)*((unsigned char *)i)); + } + + 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 +#if 0 +static void amd8111_enable_rom(void) +{ + uint8_t byte; + struct device *dev; + + /* Enable 4MB rom access at 0xFFC00000 - 0xFFFFFFFF */ + /* Locate the amd8111 */ + dev = dev_find_device(0x1022, 0x7468, 0); + + /* Set the 4MB enable bit bit */ + byte = pci_read_config8(dev, 0x43); + byte |= 0x80; + pci_write_config8(dev, 0x43, byte); +} +#endif +static void onboard_scsi_fixup(void) +{ + struct device *dev; +#if 0 + unsigned char i,j,k; + + for(i=0;i<=6;i++) { + for(j=0;j<=0x1f;j++) { + for (k=0;k<=6;k++){ + dev = dev_find_slot(i, PCI_DEVFN(j, k)); + if (dev) { + printk_debug("%02x:%02x:%02x",i,j,k); + print_pci_regs(dev); + } + } + } + } +#endif + + +#if 0 + dev = dev_find_device(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C1030,0); + if(!dev) { + printk_info("LSI_SCSI_FW_FIXUP: No Device Found!"); + return; + } + + lsi_scsi_init(dev); +#endif +// print_mem(); +// amd8111_enable_rom(); +} +#if 1 +static void vga_fixup(void) { + // we do this right here because: + // - all the hardware is working, and some VGA bioses seem to need + // that + // - we need page 0 below for linuxbios tables. +#if CONFIG_REALMODE_IDT == 1 + printk_debug("INSTALL REAL-MODE IDT\n"); + setup_realmode_idt(); +#endif +#if CONFIG_VGABIOS == 1 + printk_debug("DO THE VGA BIOS\n"); + do_vgabios(); + post_code(0x93); +#endif + +} +#endif + +static void +enable(struct chip *chip, enum chip_pass pass) +{ + + struct mainboard_tyan_s2881_config *conf = + (struct mainboard_tyan_s2881_config *)chip->chip_info; + + switch (pass) { + default: break; +// case CONF_PASS_PRE_CONSOLE: +// case CONF_PASS_PRE_PCI: +// case CONF_PASS_POST_PCI: + case CONF_PASS_PRE_BOOT: + if (conf->fixup_scsi) + onboard_scsi_fixup(); + if (conf->fixup_vga) + vga_fixup(); + printk_debug("mainboard fixup pass %d done\r\n", + pass); + break; + } + +} +void final_mainboard_fixup(void) +{ +#if 0 + enable_ide_devices(); +#endif +} +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, +}; + +static void enumerate(struct chip *chip) +{ + 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]; + } +} +struct chip_control mainboard_tyan_s2881_control = { + .enable = enable, + .enumerate = enumerate, + .name = "Tyan s2881 mainboard ", +}; + + |