| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2004 Nick Barker <nick.barker9@btinternet.com> |
| * |
| * 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; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * 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 <arch/io.h> |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/pnp.h> |
| #include <uart8250.h> |
| #include <stdlib.h> |
| #include "vt1211.h" |
| |
| static u8 hwm_io_regs[] = { |
| 0x10,0x03, 0x11,0x10, 0x12,0x0d, 0x13,0x7f, |
| 0x14,0x21, 0x15,0x81, 0x16,0xbd, 0x17,0x8a, |
| 0x18,0x00, 0x19,0x00, 0x1a,0x00, 0x1b,0x00, |
| 0x1d,0xff, 0x1e,0x00, 0x1f,0x73, 0x20,0x67, |
| 0x21,0xc1, 0x22,0xca, 0x23,0x74, 0x24,0xc2, |
| 0x25,0xc7, 0x26,0xc9, 0x27,0x7f, 0x29,0x00, |
| 0x2a,0x00, 0x2b,0xff, 0x2c,0x00, 0x2d,0xff, |
| 0x2e,0x00, 0x2f,0xff, 0x30,0x00, 0x31,0xff, |
| 0x32,0x00, 0x33,0xff, 0x34,0x00, 0x39,0xff, |
| 0x3a,0x00, 0x3b,0xff, 0x3c,0xff, 0x3d,0xff, |
| 0x3e,0x00, 0x3f,0xb0, 0x43,0xff, 0x44,0xff, |
| 0x46,0xff, 0x47,0x50, 0x4a,0x03, 0x4b,0xc0, |
| 0x4c,0x00, 0x4d,0x00, 0x4e,0x0f, 0x5d,0x77, |
| 0x5c,0x00, 0x5f,0x33, 0x40,0x01, |
| }; |
| |
| static void pnp_enter_ext_func_mode(device_t dev) |
| { |
| outb(0x87, dev->path.pnp.port); |
| outb(0x87, dev->path.pnp.port); |
| } |
| |
| static void pnp_exit_ext_func_mode(device_t dev) |
| { |
| outb(0xaa, dev->path.pnp.port); |
| } |
| |
| static void vt1211_set_iobase(device_t dev, u8 index, u16 iobase) |
| { |
| switch (dev->path.pnp.device) { |
| case VT1211_FDC: |
| case VT1211_PP: |
| case VT1211_SP1: |
| case VT1211_SP2: |
| pnp_write_config(dev, index + 0, (iobase >> 2) & 0xff); |
| break; |
| case VT1211_ROM: |
| /* TODO: Error. VT1211_ROM doesn't have an I/O base. */ |
| break; |
| case VT1211_MIDI: |
| case VT1211_GAME: |
| case VT1211_GPIO: |
| case VT1211_WDG: |
| case VT1211_WUC: |
| case VT1211_HWM: |
| case VT1211_FIR: |
| default: |
| pnp_write_config(dev, index + 0, (iobase >> 8) & 0xff); |
| pnp_write_config(dev, index + 1, iobase & 0xff); |
| break; |
| } |
| } |
| |
| /* Initialize VT1211 hardware monitor registers, which are at 0xECXX. */ |
| static void init_hwm(u16 base) |
| { |
| int i; |
| |
| for (i = 0; i < sizeof(hwm_io_regs); i += 2) |
| outb(hwm_io_regs[i + 1], base + hwm_io_regs[i]); |
| } |
| |
| static void vt1211_init(struct device *dev) |
| { |
| struct resource *res0; |
| |
| if (!dev->enabled) |
| return; |
| |
| switch (dev->path.pnp.device) { |
| case VT1211_HWM: |
| res0 = find_resource(dev, PNP_IDX_IO0); |
| init_hwm(res0->base); |
| break; |
| case VT1211_FDC: |
| case VT1211_PP: |
| case VT1211_MIDI: |
| case VT1211_GAME: |
| case VT1211_GPIO: |
| case VT1211_WDG: |
| case VT1211_WUC: |
| case VT1211_FIR: |
| case VT1211_ROM: |
| /* TODO: Any init needed for these LDNs? */ |
| break; |
| default: |
| printk(BIOS_INFO, "VT1211: Cannot init unknown device!\n"); |
| } |
| } |
| |
| static void vt1211_pnp_enable_resources(device_t dev) |
| { |
| printk(BIOS_DEBUG, "%s - enabling\n", dev_path(dev)); |
| pnp_enter_ext_func_mode(dev); |
| pnp_enable_resources(dev); |
| pnp_exit_ext_func_mode(dev); |
| } |
| |
| static void vt1211_pnp_set_resources(struct device *dev) |
| { |
| struct resource *res; |
| |
| #if CONFIG_CONSOLE_SERIAL8250 |
| /* TODO: Do the same for SP2? */ |
| if (dev->path.pnp.device == VT1211_SP1) { |
| for (res = dev->resource_list; res; res = res->next) { |
| res->flags |= IORESOURCE_STORED; |
| report_resource_stored(dev, res, ""); |
| } |
| return; |
| } |
| #endif |
| |
| pnp_enter_ext_func_mode(dev); |
| |
| pnp_set_logical_device(dev); |
| |
| /* Paranoia says I should disable the device here... */ |
| for (res = dev->resource_list; res; res = res->next) { |
| if (!(res->flags & IORESOURCE_ASSIGNED)) { |
| printk(BIOS_ERR, "ERROR: %s %02lx %s size: 0x%010Lx " |
| "not assigned\n", dev_path(dev), res->index, |
| resource_type(res), res->size); |
| continue; |
| } |
| |
| /* Now store the resource. */ |
| if (res->flags & IORESOURCE_IO) { |
| vt1211_set_iobase(dev, res->index, res->base); |
| } else if (res->flags & IORESOURCE_DRQ) { |
| pnp_set_drq(dev, res->index, res->base); |
| } else if (res->flags & IORESOURCE_IRQ) { |
| pnp_set_irq(dev, res->index, res->base); |
| } else { |
| printk(BIOS_ERR, "ERROR: %s %02lx unknown resource " |
| "type\n", dev_path(dev), res->index); |
| return; |
| } |
| res->flags |= IORESOURCE_STORED; |
| |
| report_resource_stored(dev, res, ""); |
| } |
| |
| pnp_exit_ext_func_mode(dev); |
| } |
| |
| static void vt1211_pnp_enable(device_t dev) |
| { |
| pnp_enter_ext_func_mode(dev); |
| pnp_set_logical_device(dev); |
| pnp_set_enable(dev, !!dev->enabled); |
| pnp_exit_ext_func_mode(dev); |
| } |
| |
| struct device_operations ops = { |
| .read_resources = pnp_read_resources, |
| .set_resources = vt1211_pnp_set_resources, |
| .enable_resources = vt1211_pnp_enable_resources, |
| .enable = vt1211_pnp_enable, |
| .init = vt1211_init, |
| }; |
| |
| /* TODO: Check if 0x07f8 is correct for FDC/PP/SP1/SP2, the rest is correct. */ |
| static struct pnp_info pnp_dev_info[] = { |
| { &ops, VT1211_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, }, |
| { &ops, VT1211_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, }, |
| { &ops, VT1211_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, |
| { &ops, VT1211_SP2, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, |
| { &ops, VT1211_MIDI, PNP_IO0 | PNP_IRQ0, {0xfffc, 0}, }, |
| { &ops, VT1211_GAME, PNP_IO0, {0xfff8, 0}, }, |
| { &ops, VT1211_GPIO, PNP_IO0 | PNP_IRQ0, {0xfff0, 0}, }, |
| { &ops, VT1211_WDG, PNP_IO0 | PNP_IRQ0, {0xfff0, 0}, }, |
| { &ops, VT1211_WUC, PNP_IO0 | PNP_IRQ0, {0xfff0, 0}, }, |
| { &ops, VT1211_HWM, PNP_IO0 | PNP_IRQ0, {0xff00, 0}, }, |
| { &ops, VT1211_FIR, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0xff00, 0}, }, |
| { &ops, VT1211_ROM, }, |
| }; |
| |
| static void enable_dev(struct device *dev) |
| { |
| pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); |
| } |
| |
| struct chip_operations superio_via_vt1211_ops = { |
| CHIP_NAME("VIA VT1211 Super I/O") |
| .enable_dev = enable_dev, |
| }; |