diff options
Diffstat (limited to 'board/bmw')
| -rw-r--r-- | board/bmw/bmw.c | 162 | ||||
| -rw-r--r-- | board/bmw/serial.c | 83 |
2 files changed, 245 insertions, 0 deletions
diff --git a/board/bmw/bmw.c b/board/bmw/bmw.c new file mode 100644 index 0000000..25a710f --- /dev/null +++ b/board/bmw/bmw.c @@ -0,0 +1,162 @@ +/* + * (C) Copyright 2002 + * James F. Dougherty, Broadcom Corporation, jfd@broadcom.com + * + * See file CREDITS for list of people who contributed to this + * 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; 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <common.h> +#include <watchdog.h> +#include <command.h> +#include <malloc.h> +#include <devices.h> +#include <syscall.h> +#include <net.h> +#include <version.h> +#include <dtt.h> +#include <mpc824x.h> +#include <asm/processor.h> +#include <linux/mtd/doc2000.h> + +#include "bmw.h" +#include "m48t59y.h" +#include <pci.h> + + +int checkboard(void) +{ + ulong busfreq = get_bus_freq(0); + char buf[32]; + + puts ("Board: BMW MPC8245/KAHLUA2 - CHRP (MAP B)\n"); + printf("Built: %s at %s\n", __DATE__ , __TIME__ ); + /* printf("MPLD: Revision %d\n", SYS_REVID_GET()); */ + printf("Local Bus at %s MHz\n", strmhz(buf, busfreq)); + return 0; +} + +long int initdram(int board_type) +{ + return 64*1024*1024; +} + + +void +get_tod(void) +{ + int year, month, day, hour, minute, second; + + m48_tod_get(&year, + &month, + &day, + &hour, + &minute, + &second); + + printf(" Current date/time: %d/%d/%d %d:%d:%d \n", + month, day, year, hour, minute, second); + +} + +/* + * EPIC, PCI, and I/O devices. + * Initialize Mousse Platform, probe for PCI devices, + * Query configuration parameters if not set. + */ +int misc_init_f (void) +{ +#if 0 + m48_tod_init(); /* Init SGS M48T59Y TOD/NVRAM */ + printf("RTC: M48T589 TOD/NVRAM (%d) bytes\n", + TOD_NVRAM_SIZE); + get_tod(); +#endif + + sys_led_msg("BOOT"); + return 0; +} + + + + + +/* + * Initialize PCI Devices, report devices found. + */ +struct pci_controller hose; + +void pci_init (void) +{ + pci_mpc824x_init(&hose); + /* pci_dev_init(0); */ +} + +/* + * Write characters to LCD display. + * Note that the bytes for the first character is the last address. + */ +void +sys_led_msg(char* msg) +{ + LED_REG(0) = msg[3]; + LED_REG(1) = msg[2]; + LED_REG(2) = msg[1]; + LED_REG(3) = msg[0]; +} + +/* + * Map onboard TSOP-16MB DOC FLASH chip. + */ +void doc_init (void) +{ + doc_probe(DOC_BASE_ADDR); +} + +#define NV_ADDR ((volatile unsigned char *) CFG_ENV_ADDR) + +/* Read from NVRAM */ +void* +nvram_read(void *dest, const long src, size_t count) +{ + int i; + volatile unsigned char* d = (unsigned char*)dest; + volatile unsigned char* s = (unsigned char*)src; + + for( i = 0; i < count;i++) + d[i] = s[i]; + + return dest; +} + +/* Write to NVRAM */ +void +nvram_write(long dest, const void *src, size_t count) +{ + int i; + volatile unsigned char* d = (unsigned char*)dest; + volatile unsigned char* s = (unsigned char*)src; + + SYS_TOD_UNPROTECT(); + + for( i = 0; i < count;i++) + d[i] = s[i]; + + SYS_TOD_PROTECT(); +} diff --git a/board/bmw/serial.c b/board/bmw/serial.c new file mode 100644 index 0000000..f36a41b --- /dev/null +++ b/board/bmw/serial.c @@ -0,0 +1,83 @@ +/* + * (C) Copyright 2000 + * Rob Taylor, Flying Pig Systems. robt@flyingpig.com. + * + * See file CREDITS for list of people who contributed to this + * 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; 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include "ns16550.h" + +#if CONFIG_CONS_INDEX == 1 +static struct NS16550 *console = + (struct NS16550 *) (CFG_EUMB_ADDR + 0x4500); +#elif CONFIG_CONS_INDEX == 2 +static struct NS16550 *console = + (struct NS16550 *) (CFG_EUMB_ADDR + 0x4500); +#else +#error no valid console defined +#endif + +extern ulong get_bus_freq (ulong); + +int serial_init (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + int clock_divisor = gd->bus_clk / 16 / gd->baudrate; + + NS16550_init (CONFIG_CONS_INDEX - 1, clock_divisor); + + return (0); +} + +void serial_putc (const char c) +{ + if (c == '\n') { + serial_putc ('\r'); + } + NS16550_putc (console, c); +} + +void serial_puts (const char *s) +{ + while (*s) { + serial_putc (*s++); + } +} + + +int serial_getc (void) +{ + return NS16550_getc (console); +} + +int serial_tstc (void) +{ + return NS16550_tstc (console); +} + +void serial_setbrg (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + int clock_divisor = get_bus_freq (0) / 16 / gd->baudrate; + + NS16550_reinit (console, clock_divisor); +} |