| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2010 Advanced Micro Devices, Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <console/console.h> |
| |
| #include <arch/io.h> |
| #include <arch/acpi.h> |
| |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <device/pci_ops.h> |
| #include <cbmem.h> |
| #include "hudson.h" |
| #include "smbus.h" |
| |
| #if CONFIG_HAVE_ACPI_RESUME |
| int acpi_get_sleep_type(void) |
| { |
| u16 tmp = inw(PM1_CNT_BLK_ADDRESS); |
| tmp = ((tmp & (7 << 10)) >> 10); |
| /* printk(BIOS_DEBUG, "SLP_TYP type was %x\n", tmp); */ |
| return (int)tmp; |
| } |
| #endif |
| |
| void set_cbmem_toc(struct cbmem_entry *toc) |
| { |
| u32 dword = (u32) toc; |
| int nvram_pos = 0xf8, i; /* temp */ |
| /* printk(BIOS_DEBUG, "dword=%x\n", dword); */ |
| for (i = 0; i<4; i++) { |
| /* printk(BIOS_DEBUG, "nvram_pos=%x, dword>>(8*i)=%x\n", nvram_pos, (dword >>(8 * i)) & 0xff); */ |
| outb(nvram_pos, BIOSRAM_INDEX); |
| outb((dword >>(8 * i)) & 0xff , BIOSRAM_DATA); |
| nvram_pos++; |
| } |
| } |
| |
| void set_sm_enable_bits(device_t sm_dev, u32 reg_pos, u32 mask, u32 val) |
| { |
| u32 reg_old, reg; |
| reg = reg_old = pci_read_config32(sm_dev, reg_pos); |
| reg &= ~mask; |
| reg |= val; |
| if (reg != reg_old) { |
| pci_write_config32(sm_dev, reg_pos, reg); |
| } |
| } |
| |
| static void pmio_write_index(u16 port_base, u8 reg, u8 value) |
| { |
| outb(reg, port_base); |
| outb(value, port_base + 1); |
| } |
| |
| static u8 pmio_read_index(u16 port_base, u8 reg) |
| { |
| outb(reg, port_base); |
| return inb(port_base + 1); |
| } |
| |
| void pm_iowrite(u8 reg, u8 value) |
| { |
| pmio_write_index(PM_INDEX, reg, value); |
| } |
| |
| u8 pm_ioread(u8 reg) |
| { |
| return pmio_read_index(PM_INDEX, reg); |
| } |
| |
| void pm2_iowrite(u8 reg, u8 value) |
| { |
| pmio_write_index(PM2_INDEX, reg, value); |
| } |
| |
| u8 pm2_ioread(u8 reg) |
| { |
| return pmio_read_index(PM2_INDEX, reg); |
| } |
| |
| |
| void hudson_enable(device_t dev) |
| { |
| printk(BIOS_DEBUG, "hudson_enable()\n"); |
| switch (dev->path.pci.devfn) { |
| case (0x14 << 3) | 7: /* 0:14.7 SD */ |
| if (dev->enabled == 0) { |
| // read the VENDEV ID |
| device_t sd_dev = dev_find_slot( 0, PCI_DEVFN( 0x14, 7)); |
| u32 sd_device_id = pci_read_config32( sd_dev, 0) >> 16; |
| /* turn off the SDHC controller in the PM reg */ |
| u8 sd_tmp; |
| if (sd_device_id == PCI_DEVICE_ID_AMD_HUDSON_SD) { |
| outb(0xE7, PM_INDEX); |
| sd_tmp = inb(PM_DATA); |
| sd_tmp &= ~(1 << 0); |
| outb(sd_tmp, PM_DATA); |
| } |
| else if (sd_device_id == PCI_DEVICE_ID_AMD_YANGTZE_SD) { |
| outb(0xE8, PM_INDEX); |
| sd_tmp = inb(PM_DATA); |
| sd_tmp &= ~(1 << 0); |
| outb(sd_tmp, PM_DATA); |
| } |
| /* remove device 0:14.7 from PCI space */ |
| outb(0xD3, PM_INDEX); |
| sd_tmp = inb(PM_DATA); |
| sd_tmp &= ~(1 << 6); |
| outb(sd_tmp, PM_DATA); |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| |
| struct cbmem_entry *get_cbmem_toc(void) |
| { |
| uint32_t xdata = 0; |
| int xnvram_pos = 0xf8, xi; |
| for (xi = 0; xi<4; xi++) { |
| outb(xnvram_pos, BIOSRAM_INDEX); |
| xdata &= ~(0xff << (xi * 8)); |
| xdata |= inb(BIOSRAM_DATA) << (xi *8); |
| xnvram_pos++; |
| } |
| return (struct cbmem_entry *) xdata; |
| } |
| |
| |
| struct chip_operations southbridge_amd_agesa_hudson_ops = { |
| CHIP_NAME("ATI HUDSON") |
| .enable_dev = hudson_enable, |
| }; |