diff options
Diffstat (limited to 'src/southbridge/amd/cimx_wrapper/sb800/bootblock.c')
-rw-r--r-- | src/southbridge/amd/cimx_wrapper/sb800/bootblock.c | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/src/southbridge/amd/cimx_wrapper/sb800/bootblock.c b/src/southbridge/amd/cimx_wrapper/sb800/bootblock.c deleted file mode 100644 index a29bf8c3f5..0000000000 --- a/src/southbridge/amd/cimx_wrapper/sb800/bootblock.c +++ /dev/null @@ -1,110 +0,0 @@ -/* - * 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 <arch/io.h> -#include <arch/romcc_io.h> - -#if CONFIG_SERIAL_POST == 1 - -/* Data */ -#define UART_RBR 0x00 -#define UART_TBR 0x00 - -/* Control */ -#define UART_IER 0x01 -#define UART_IIR 0x02 -#define UART_FCR 0x02 -#define UART_LCR 0x03 -#define UART_MCR 0x04 -#define UART_DLL 0x00 -#define UART_DLM 0x01 - -/* Status */ -#define UART_LSR 0x05 -#define UART_MSR 0x06 -#define UART_SCR 0x07 - -#ifndef CONFIG_TTYS0_DIV -#if ((115200%CONFIG_TTYS0_BAUD) != 0) -#error Bad ttys0 baud rate -#endif -#define CONFIG_TTYS0_DIV (115200/CONFIG_TTYS0_BAUD) -#endif // CONFIG_TTYS0_DIV - -#define UART_LCS CONFIG_TTYS0_LCS - -#endif // CONFIG_SERIAL_POST == 1 - -static void sb800_enable_rom(void) -{ - u32 word; - u32 dword; - device_t dev; - - dev = PCI_DEV(0, 0x14, 0x03); - /* SB800 LPC Bridge 0:20:3:44h. - * BIT6: Port Enable for serial port 0x3f8-0x3ff - * BIT29: Port Enable for KBC port 0x60 and 0x64 - * BIT30: Port Enable for ACPI Micro-Controller port 0x66 and 0x62 - */ - dword = pci_io_read_config32(dev, 0x44); - //dword |= (1<<6) | (1<<29) | (1<<30) ; - /*Turn on all of LPC IO Port decode enable */ - dword = 0xffffffff; - pci_io_write_config32(dev, 0x44, dword); - - /* SB800 LPC Bridge 0:20:3:48h. - * BIT0: Port Enable for SuperIO 0x2E-0x2F - * BIT1: Port Enable for SuperIO 0x4E-0x4F - * BIT4: Port Enable for LPC ROM Address Arrage2 (0x68-0x6C) - * BIT6: Port Enable for RTC IO 0x70-0x73 - * BIT21: Port Enable for Port 0x80 - */ - dword = pci_io_read_config32(dev, 0x48); - dword |= (1<<0) | (1<<1) | (1<<4) | (1<<6) | (1<<21) ; - pci_io_write_config32(dev, 0x48, dword); - - /* Enable 2MB rom access at 0xFFE00000 - 0xFFFFFFFF */ - /* Set the 2MB enable bits */ - word = pci_io_read_config16(dev, 0x6c); - word = 0xFFE0; - pci_io_write_config16(dev, 0x6c, word); -} - -static void uart_init(void) -{ -#if CONFIG_SERIAL_POST == 1 - /* disable interrupts */ - outb(0x0, CONFIG_TTYS0_BASE + UART_IER); - /* enable fifo's */ - outb(0x01, CONFIG_TTYS0_BASE + UART_FCR); - /* Set Baud Rate Divisor to 12 ==> 115200 Baud */ - outb(0x80 | UART_LCS, CONFIG_TTYS0_BASE + UART_LCR); - outb(CONFIG_TTYS0_DIV & 0xFF, CONFIG_TTYS0_BASE + UART_DLL); - outb((CONFIG_TTYS0_DIV >> 8) & 0xFF, CONFIG_TTYS0_BASE + UART_DLM); - outb(UART_LCS, CONFIG_TTYS0_BASE + UART_LCR); -#endif // CONFIG_SERIAL_POST == 1 -} - -static void bootblock_southbridge_init(void) -{ - /* Setup the rom access for 2M */ - sb800_enable_rom(); - uart_init(); -} |