| #include <arch/io.h> |
| |
| static void mch_reset(void) |
| { |
| device_t dev; |
| unsigned long value, base; |
| dev = pci_locate_device_on_bus(PCI_ID(0x8086, 0x24d0), 0); |
| if (dev != PCI_DEV_INVALID) { |
| /* I/O space is always enables */ |
| |
| /* Set gpio base */ |
| pci_write_config32(dev, 0x58, ICH5_GPIOBASE | 1); |
| base = ICH5_GPIOBASE; |
| |
| /* Enable GPIO Bar */ |
| value = pci_read_config32(dev, 0x5c); |
| value |= 0x10; |
| pci_write_config32(dev, 0x5c, value); |
| |
| /* Set GPIO 19 mux to IO usage */ |
| value = inl(base); |
| value |= (1 <<19); |
| outl(value, base); |
| |
| /* Pull GPIO 19 low */ |
| value = inl(base + 0x0c); |
| value &= ~(1 << 19); |
| outl(value, base + 0x0c); |
| } |
| return; |
| } |
| |
| static void mainboard_set_e7520_pll(unsigned bits) |
| { |
| uint16_t gpio_index; |
| uint8_t data; |
| device_t dev; |
| |
| /* currently only handle the Jarrell/PC87427 case */ |
| dev = PC87427_GPIO_DEV; |
| |
| |
| pnp_set_logical_device(dev); |
| gpio_index = pnp_read_iobase(dev, 0x60); |
| |
| /* select SIO GPIO port 4, pin 2 */ |
| pnp_write_config(dev, PC87427_GPSEL, ((pnp_read_config(dev, PC87427_GPSEL) & 0x88) | 0x42)); |
| /* set to push-pull, enable output */ |
| pnp_write_config(dev, PC87427_GPCFG1, 0x03); |
| |
| /* select SIO GPIO port 4, pin 4 */ |
| pnp_write_config(dev, PC87427_GPSEL, ((pnp_read_config(dev, PC87427_GPSEL) & 0x88) | 0x44)); |
| /* set to push-pull, enable output */ |
| pnp_write_config(dev, PC87427_GPCFG1, 0x03); |
| |
| /* set gpio 42,44 signal levels */ |
| data = inb(gpio_index + PC87427_GPDO_4); |
| if ((data & 0x14) == (0xff & (((bits&2)?0:1)<<4 | ((bits&1)?0:1)<<2))) { |
| print_debug("set_pllsel: correct settings detected!\n"); |
| return; /* settings already configured */ |
| } else { |
| outb((data & 0xeb) | ((bits&2)?0:1)<<4 | ((bits&1)?0:1)<<2, gpio_index + PC87427_GPDO_4); |
| /* reset */ |
| print_debug("set_pllsel: settings adjusted, now resetting...\n"); |
| // hard_reset(); /* should activate a PCI_RST, which should reset MCH, but it doesn't seem to work ???? */ |
| // mch_reset(); |
| full_reset(); |
| } |
| return; |
| } |
| |
| static void mainboard_set_e7520_leds(void) |
| { |
| uint8_t cnt; |
| uint8_t data; |
| device_t dev; |
| |
| /* currently only handle the Jarrell/PC87427 case */ |
| dev = PC87427_GPIO_DEV; |
| |
| pnp_set_logical_device(dev); |
| |
| /* enable */ |
| outb(0x30, 0x2e); |
| outb(0x01, 0x2f); |
| outb(0x2d, 0x2e); |
| outb(0x01, 0x2f); |
| |
| /* Set auto mode for dimm leds and post */ |
| outb(0xf0,0x2e); |
| outb(0x70,0x2f); |
| outb(0xf4,0x2e); |
| outb(0x30,0x2f); |
| outb(0xf5,0x2e); |
| outb(0x88,0x2f); |
| outb(0xf6,0x2e); |
| outb(0x00,0x2f); |
| outb(0xf7,0x2e); |
| outb(0x90,0x2f); |
| outb(0xf8,0x2e); |
| outb(0x00,0x2f); |
| |
| /* Turn the leds off */ |
| outb(0x00,0x88); |
| outb(0x00,0x90); |
| |
| /* Disable the ports */ |
| outb(0xf5,0x2e); |
| outb(0x00,0x2f); |
| outb(0xf7,0x2e); |
| outb(0x00,0x2f); |
| outb(0xf4,0x2e); |
| outb(0x00,0x2f); |
| |
| return; |
| } |
| |