Add Win Enterprises' PL6064 board
[coreboot.git] / src / superio / winbond / w83627hf / superio.c
index 4222028b1ebbccc6795b5618888005af416762d6..1d9b31c928d7c1e9b139081cf239f84368751ad3 100644 (file)
-/* Copyright 2000  AG Electronics Ltd. */
-/* Copyright 2003-2004 Linux Networx */
-/* Copyright 2004 Tyan 
-   By LYH change from PC87360 */
-/* This code is distributed without warranty under the GPL v2 (see COPYING) */
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2000 AG Electronics Ltd.
+ * Copyright (C) 2003-2004 Linux Networx
+ * Copyright (C) 2004 Tyan By LYH change from PC87360
+ * Copyright (C) 2010 Win Enterprises (anishp@win-ent.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 <device/device.h>
 #include <device/pnp.h>
-#include <device/chip.h>
 #include <console/console.h>
 #include <string.h>
 #include <bitops.h>
 #include <uart8250.h>
 #include <pc80/keyboard.h>
+#include <pc80/mc146818rtc.h>
+#include <stdlib.h>
 #include "chip.h"
 #include "w83627hf.h"
 
-static void init(device_t dev)
+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 pnp_write_index(unsigned long port_base, uint8_t reg, uint8_t value)
+{
+       outb(reg, port_base);
+       outb(value, port_base + 1);
+}
+
+static uint8_t pnp_read_index(unsigned long port_base, uint8_t reg)
+{
+       outb(reg, port_base);
+       return inb(port_base + 1);
+}
+
+static void w83627hf_16_bit_addr_qual(device_t dev)
+{
+      int port = dev->path.pnp.port >> 8;
+      pnp_enter_ext_func_mode(dev);
+      outb(0x24, port);
+      /* enable 16 bit address qualification */
+      outb(inb(port + 1) | 0x80, port + 1);
+      pnp_exit_ext_func_mode(dev);
+}
+
+static void enable_hwm_smbus(device_t dev)
+{
+       /* set the pin 91,92 as I2C bus */
+       uint8_t reg, value;
+       reg = 0x2b;
+       value = pnp_read_config(dev, reg);
+       value &= 0x3f;
+       pnp_write_config(dev, reg, value);
+}
+
+static void init_acpi(device_t dev)
+{
+       uint8_t  value = 0x20;
+       int power_on = 1;
+
+       get_option(&power_on, "power_on_after_fail");
+       pnp_enter_ext_func_mode(dev);
+       pnp_write_index(dev->path.pnp.port,7,0x0a);
+       value = pnp_read_config(dev, 0xE4);
+       value &= ~(3<<5);
+       if(power_on) {
+               value |= (1<<5);
+       }
+       pnp_write_config(dev, 0xE4, value);
+       pnp_exit_ext_func_mode(dev);
+}
+
+static void init_hwm(unsigned long base)
+{
+       uint8_t  reg, value;
+       int i;
+
+       unsigned  hwm_reg_values[] = {
+       /*      reg  mask  data */
+               0x40, 0xff, 0x81,  /* start HWM */
+               0x48, 0xaa, 0x2a,  /* set SMBus base to 0x54>>1 */
+               0x4a, 0x21, 0x21,  /* set T2 SMBus base to 0x92>>1 and T3 SMBus base to 0x94>>1 */
+               0x4e, 0x80, 0x00,
+               0x43, 0x00, 0xff,
+               0x44, 0x00, 0x3f,
+               0x4c, 0xbf, 0x18,
+               0x4d, 0xff, 0x80   /* turn off beep */
+
+       };
+
+       for(i = 0; i<  ARRAY_SIZE(hwm_reg_values); i+=3 ) {
+               reg = hwm_reg_values[i];
+               value = pnp_read_index(base, reg);
+               value &= 0xff & hwm_reg_values[i+1];
+               value |= 0xff & hwm_reg_values[i+2];
+#if 0
+               printk_debug("base = 0x%04x, reg = 0x%02x, value = 0x%02x\r\n", base, reg,value);
+#endif
+               pnp_write_index(base, reg, value);
+       }
+}
+
+static void w83627hf_init(device_t dev)
 {
        struct superio_winbond_w83627hf_config *conf;
        struct resource *res0, *res1;
-       /* Wishlist handle well known programming interfaces more
-        * generically.
-        */
        if (!dev->enabled) {
                return;
        }
-       conf = dev->chip->chip_info;
-       switch(dev->path.u.pnp.device) {
-       case W83627HF_SP1: 
-               res0 = get_resource(dev, PNP_IDX_IO0);
+       conf = dev->chip_info;
+       switch(dev->path.pnp.device) {
+       case W83627HF_SP1:
+               res0 = find_resource(dev, PNP_IDX_IO0);
                init_uart8250(res0->base, &conf->com1);
                break;
        case W83627HF_SP2:
-               res0 = get_resource(dev, PNP_IDX_IO0);
+               res0 = find_resource(dev, PNP_IDX_IO0);
                init_uart8250(res0->base, &conf->com2);
                break;
        case W83627HF_KBC:
-               res0 = get_resource(dev, PNP_IDX_IO0);
-               res1 = get_resource(dev, PNP_IDX_IO1);
-               init_pc_keyboard(res0->base, res1->base, &conf->keyboard);
+               res0 = find_resource(dev, PNP_IDX_IO0);
+               res1 = find_resource(dev, PNP_IDX_IO1);
+               pc_keyboard_init(&conf->keyboard);
                break;
+       case W83627HF_HWM:
+               res0 = find_resource(dev, PNP_IDX_IO0);
+#define HWM_INDEX_PORT 5
+               init_hwm(res0->base + HWM_INDEX_PORT);
+               break;
+       case W83627HF_ACPI:
+               init_acpi(dev);
+               break;
+       }
+}
+
+static void w83627hf_pnp_set_resources(device_t dev)
+{
+       pnp_enter_ext_func_mode(dev);
+       pnp_set_resources(dev);
+       pnp_exit_ext_func_mode(dev);
+}
+
+static void w83627hf_pnp_enable_resources(device_t dev)
+{
+       pnp_enter_ext_func_mode(dev);
+       pnp_enable_resources(dev);
+       switch(dev->path.pnp.device) {
+       case W83627HF_HWM:
+               printk_debug("w83627hf hwm smbus enabled\n");
+               enable_hwm_smbus(dev);
+               break;
+       }
+       pnp_exit_ext_func_mode(dev);
+}
+
+static void w83627hf_pnp_enable(device_t dev)
+{
+       if (!dev->enabled) {
+               pnp_enter_ext_func_mode(dev);
+
+               pnp_set_logical_device(dev);
+               pnp_set_enable(dev, 0);
+
+               pnp_exit_ext_func_mode(dev);
        }
 }
 
 static struct device_operations ops = {
        .read_resources   = pnp_read_resources,
-       .set_resources    = pnp_set_resources,
-       .enable_resources = pnp_enable_resources,
-       .enable           = pnp_enable,
-       .init             = init,
+       .set_resources    = w83627hf_pnp_set_resources,
+       .enable_resources = w83627hf_pnp_enable_resources,
+       .enable           = w83627hf_pnp_enable,
+       .init             = w83627hf_init,
 };
 
 static struct pnp_info pnp_dev_info[] = {
-        { &ops, W83627HF_FDC,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
-        { &ops, W83627HF_PP,   PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
-        { &ops, W83627HF_SP1,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
-        { &ops, W83627HF_SP2,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
-        // No 4 { 0,},
-        { &ops, W83627HF_KBC,  PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0x7ff, 0 }, { 0x7ff, 0x4}, },
-        { &ops, W83627HF_CIR, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
-        { &ops, W83627HF_GAME_MIDI_GPIO1, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7ff, 0 }, {0x7fe, 4} },
-        { &ops, W83627HF_GPI02, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7ff, 0 }, {0x7fe, 4} },
-        { &ops, W83627HF_GPI03, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7ff, 0 }, {0x7fe, 4} },
-        { &ops, W83627HF_ACPI, PNP_IRQ0,  },
-        { &ops, W83627HF_HWM,  PNP_IO0 | PNP_IRQ0, { 0xff8, 0 } },
+       { &ops, W83627HF_FDC,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
+       { &ops, W83627HF_PP,   PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
+       { &ops, W83627HF_SP1,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
+       { &ops, W83627HF_SP2,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
+       /* No 4 { 0,}, */
+       { &ops, W83627HF_KBC,  PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0x7ff, 0 }, { 0x7ff, 0x4}, },
+       { &ops, W83627HF_CIR, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
+       { &ops, W83627HF_GAME_MIDI_GPIO1, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7ff, 0 }, {0x7fe, 0x4}, },
+       { &ops, W83627HF_GPIO2, },
+       { &ops, W83627HF_GPIO3, },
+       { &ops, W83627HF_ACPI, },
+       { &ops, W83627HF_HWM,  PNP_IO0 | PNP_IRQ0, { 0xff8, 0 }, },
 };
 
-static void enumerate(struct chip *chip)
+static void enable_dev(struct device *dev)
 {
-       pnp_enumerate(chip, sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]), 
-               &pnp_ops, pnp_dev_info);
+       pnp_enable_devices(dev, &ops,
+               ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
 }
 
-struct chip_control superio_winbond_w83627hf_control = {
-       .enumerate = enumerate,
-       .name      = "Winbond w83627hf"
+struct chip_operations superio_winbond_w83627hf_ops = {
+       CHIP_NAME("Winbond W83627HF Super I/O")
+       .enable_dev = enable_dev,
 };