| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2012 Advanced Micro Devices, Inc. |
| * Copyright (C) 2015 Sergej Ivanov <getinaks@gmail.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; 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/pci_ops.h> |
| #include <console/console.h> |
| #include <commonlib/loglevel.h> |
| #include <northbridge/amd/agesa/state_machine.h> |
| #include <southbridge/amd/common/amd_defs.h> |
| #include <southbridge/amd/agesa/hudson/hudson.h> |
| #include <superio/ite/common/ite.h> |
| #include <superio/ite/it8728f/it8728f.h> |
| |
| |
| #define ITE_CONFIG_REG_CC 0x02 |
| #define SERIAL_DEV PNP_DEV(0x2e, IT8728F_SP1) |
| #define GPIO_DEV PNP_DEV(0x2e, IT8728F_GPIO) |
| #define ENVC_DEV PNP_DEV(0x2e, IT8728F_EC) |
| |
| #define MMIO_NON_POSTED_START 0xfed00000 |
| #define MMIO_NON_POSTED_END 0xfedfffff |
| #define SB_MMIO_MISC32(x) *(volatile u32 *)(AMD_SB_ACPI_MMIO_ADDR + 0xE00 + (x)) |
| |
| |
| static void it_sio_write(pnp_devfn_t dev, u8 reg, u8 value) |
| { |
| pnp_set_logical_device(dev); |
| pnp_write_config(dev, reg, value); |
| } |
| |
| static void ite_enter_conf(pnp_devfn_t dev) |
| { |
| u16 port = dev >> 8; |
| |
| outb(0x87, port); |
| outb(0x01, port); |
| outb(0x55, port); |
| outb((port == 0x4e) ? 0xaa : 0x55, port); |
| } |
| |
| static void ite_exit_conf(pnp_devfn_t dev) |
| { |
| it_sio_write(dev, ITE_CONFIG_REG_CC, 0x02); |
| } |
| |
| static void ite_evc_conf(pnp_devfn_t dev) |
| { |
| ite_enter_conf(dev); |
| it_sio_write(dev, 0xf1, 0x40); |
| it_sio_write(dev, 0xf4, 0x80); |
| it_sio_write(dev, 0xf5, 0x00); |
| it_sio_write(dev, 0xf6, 0xf0); |
| it_sio_write(dev, 0xf9, 0x48); |
| it_sio_write(dev, 0xfa, 0x00); |
| it_sio_write(dev, 0xfb, 0x00); |
| ite_exit_conf(dev); |
| } |
| |
| static void ite_gpio_conf(pnp_devfn_t dev) |
| { |
| ite_enter_conf (dev); |
| it_sio_write(dev, 0x25, 0x80); |
| it_sio_write(dev, 0x26, 0x07); |
| it_sio_write(dev, 0x28, 0x81); |
| it_sio_write(dev, 0x2c, 0x06); |
| it_sio_write(dev, 0x72, 0x00); |
| it_sio_write(dev, 0x73, 0x00); |
| it_sio_write(dev, 0xb3, 0x01); |
| it_sio_write(dev, 0xb8, 0x00); |
| it_sio_write(dev, 0xc0, 0x00); |
| it_sio_write(dev, 0xc3, 0x00); |
| it_sio_write(dev, 0xc8, 0x00); |
| it_sio_write(dev, 0xc9, 0x07); |
| it_sio_write(dev, 0xcb, 0x01); |
| it_sio_write(dev, 0xf0, 0x10); |
| it_sio_write(dev, 0xf4, 0x27); |
| it_sio_write(dev, 0xf8, 0x20); |
| it_sio_write(dev, 0xf9, 0x01); |
| ite_exit_conf(dev); |
| } |
| |
| void board_BeforeAgesa(struct sysinfo *cb) |
| { |
| u32 val, t32; |
| u8 byte; |
| pci_devfn_t dev; |
| u32 *addr32; |
| |
| /* In Hudson RRG, PMIOxD2[5:4] is "Drive strength control for |
| * LpcClk[1:0]". To be consistent with Parmer, setting to 4mA |
| * even though the register is not documented in the Kabini BKDG. |
| * Otherwise the serial output is bad code. |
| */ |
| outb(0xD2, 0xcd6); |
| outb(0x00, 0xcd7); |
| |
| /* Set LPC decode enables. */ |
| pci_devfn_t dev2 = PCI_DEV(0, 0x14, 3); |
| pci_write_config32(dev2, 0x44, 0xff03ffd5); |
| |
| hudson_lpc_port80(); |
| |
| /* Enable the AcpiMmio space */ |
| outb(0x24, 0xcd6); |
| outb(0x1, 0xcd7); |
| |
| /* Set auxiliary output clock frequency on OSCOUT1 pin to be 48MHz */ |
| addr32 = (u32 *)0xfed80e28; |
| t32 = *addr32; |
| t32 &= 0xfff8ffff; |
| *addr32 = t32; |
| |
| /* Enable Auxiliary Clock1, disable FCH 14 MHz OscClk */ |
| addr32 = (u32 *)0xfed80e40; |
| t32 = *addr32; |
| t32 &= 0xffffbffb; |
| *addr32 = t32; |
| |
| /* enable SIO LPC decode */ |
| dev = PCI_DEV(0, 0x14, 3); |
| byte = pci_read_config8(dev, 0x48); |
| byte |= 3; /* 2e, 2f */ |
| pci_write_config8(dev, 0x48, byte); |
| |
| /* enable serial decode */ |
| byte = pci_read_config8(dev, 0x44); |
| byte |= (1 << 6); /* 0x3f8 */ |
| pci_write_config8(dev, 0x44, byte); |
| |
| /* This functions configure SIO as it been done under vendor bios */ |
| printk(BIOS_DEBUG, "ITE CONFIG ENVC\n"); |
| ite_evc_conf(ENVC_DEV); |
| printk(BIOS_DEBUG, "ITE CONFIG GPIO\n"); |
| ite_gpio_conf(GPIO_DEV); |
| printk(BIOS_DEBUG, "ITE CONFIG DONE\n"); |
| |
| |
| ite_kill_watchdog(GPIO_DEV); |
| ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); |
| |
| /* On Larne, after LpcClkDrvSth is set, it needs some time to be stable, because of the buffer ICS551M */ |
| int i; |
| for (i = 0; i < 200000; i++) |
| val = inb(0xcd6); |
| |
| outb(0xEA, 0xCD6); |
| outb(0x1, 0xcd7); |
| |
| post_code(0x50); |
| } |