| /* |
| * This file is part of the coreboot project. |
| * |
| * 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. |
| */ |
| |
| #include <arch/io.h> |
| #include <device/pnp_ops.h> |
| #include <device/pnp_def.h> |
| |
| #define SCH4307_CONFIG_PORT 0x162e |
| static inline void shc4307_enter_ext_func_mode(pnp_devfn_t dev) |
| { |
| unsigned port = dev >> 8; |
| outb(0x55, port); |
| } |
| |
| static inline void shc4307_exit_ext_func_mode(pnp_devfn_t dev) |
| { |
| unsigned port = dev >> 8; |
| outb(0xaa, port); |
| } |
| |
| #define CMOS_DEV PNP_DEV(SCH4307_CONFIG_PORT, 0x6) |
| #define KBD_DEV PNP_DEV(SCH4307_CONFIG_PORT, 0x7) |
| #define DBG_DEV PNP_DEV(SCH4307_CONFIG_PORT, 0x3) |
| #define REGS_DEV PNP_DEV(SCH4307_CONFIG_PORT, 0xa) |
| |
| /* FIXME: This appears to be a super-io initialisation, |
| * placed in the mainboard directory. |
| */ |
| void shc4307_init(void) |
| { |
| shc4307_enter_ext_func_mode(CMOS_DEV); |
| pnp_set_logical_device(CMOS_DEV); /* CMOS/RTC */ |
| pnp_set_iobase(CMOS_DEV, PNP_IDX_IO0, 0x70); |
| pnp_set_iobase(CMOS_DEV, PNP_IDX_IO1, 0x72); |
| pnp_set_irq(CMOS_DEV, PNP_IDX_IRQ0, 8); |
| /* pnp_set_enable(CMOS_DEV, 3); */ |
| pnp_write_config(CMOS_DEV, 0x30, 3); |
| |
| pnp_set_logical_device(KBD_DEV); /* Keyboard */ |
| pnp_set_irq(KBD_DEV, PNP_IDX_IRQ0, 1); |
| pnp_set_enable(KBD_DEV, 1); |
| |
| pnp_set_logical_device(DBG_DEV); /* Debug */ |
| pnp_set_iobase(DBG_DEV, PNP_IDX_IO0, 0x80); |
| pnp_set_enable(DBG_DEV, 1); |
| |
| pnp_set_logical_device(REGS_DEV); |
| pnp_set_iobase(REGS_DEV, PNP_IDX_IO0, 0x600); |
| pnp_set_enable(REGS_DEV, 1); |
| |
| shc4307_exit_ext_func_mode(CMOS_DEV); |
| } |
| |
| static void bootblock_mainboard_init(void) |
| { |
| bootblock_northbridge_init(); |
| bootblock_southbridge_init(); |
| shc4307_init(); |
| } |