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Diffstat (limited to 'u-boot/board/oxc/oxc.c')
| -rw-r--r-- | u-boot/board/oxc/oxc.c | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/u-boot/board/oxc/oxc.c b/u-boot/board/oxc/oxc.c new file mode 100644 index 0000000..1a2bdf4 --- /dev/null +++ b/u-boot/board/oxc/oxc.c @@ -0,0 +1,223 @@ +/* + * (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 <mpc824x.h> +#include <pci.h> +#include <i2c.h> +#include <netdev.h> + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard (void) +{ + puts ( "Board: OXC8240\n" ); + return 0; +} + +phys_size_t initdram (int board_type) +{ +#ifndef CONFIG_SYS_RAMBOOT + long size; + long new_bank0_end; + long mear1; + long emear1; + + size = get_ram_size(CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_MAX_RAM_SIZE); + + new_bank0_end = size - 1; + mear1 = mpc824x_mpc107_getreg(MEAR1); + emear1 = mpc824x_mpc107_getreg(EMEAR1); + mear1 = (mear1 & 0xFFFFFF00) | + ((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT); + emear1 = (emear1 & 0xFFFFFF00) | + ((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT); + mpc824x_mpc107_setreg(MEAR1, mear1); + mpc824x_mpc107_setreg(EMEAR1, emear1); + + return (size); +#else + /* if U-Boot starts from RAM, then suppose we have 16Mb of RAM */ + return (16 << 20); +#endif +} + +/* + * Initialize PCI Devices, report devices found. + */ +#ifndef CONFIG_PCI_PNP +static struct pci_config_table pci_oxc_config_table[] = { + { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x14, PCI_ANY_ID, + pci_cfgfunc_config_device, { PCI_ENET0_IOADDR, + PCI_ENET0_MEMADDR, + PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }}, + { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x15, PCI_ANY_ID, + pci_cfgfunc_config_device, { PCI_ENET1_IOADDR, + PCI_ENET1_MEMADDR, + PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }}, + { } +}; +#endif + +static struct pci_controller hose = { +#ifndef CONFIG_PCI_PNP + config_table: pci_oxc_config_table, +#endif +}; + +void pci_init_board (void) +{ + pci_mpc824x_init(&hose); +} + +int board_early_init_f (void) +{ + *(volatile unsigned char *)(CONFIG_SYS_CPLD_RESET) = 0x89; + return 0; +} + +#ifdef CONFIG_WATCHDOG +void oxc_wdt_reset(void) +{ + *(volatile unsigned char *)(CONFIG_SYS_CPLD_WATCHDOG) = 0xff; +} + +void watchdog_reset(void) +{ + int re_enable = disable_interrupts(); + + oxc_wdt_reset(); + if (re_enable) + enable_interrupts(); +} +#endif + +static int oxc_get_expander(unsigned char addr, unsigned char * val) +{ + return i2c_read(addr, 0, 0, val, 1); +} + +static int oxc_set_expander(unsigned char addr, unsigned char val) +{ + return i2c_write(addr, 0, 0, &val, 1); +} + +static int expander0alive = 0; + +#ifdef CONFIG_SHOW_ACTIVITY +static int ledtoggle = 0; +static int ledstatus = 1; + +void oxc_toggle_activeled(void) +{ + ledtoggle++; +} + +void board_show_activity (ulong timestamp) +{ + if ((timestamp % (CONFIG_SYS_HZ / 10)) == 0) + oxc_toggle_activeled (); +} + +void show_activity(int arg) +{ + static unsigned char led = 0; + unsigned char val; + + if (!expander0alive) return; + + if ((ledtoggle > (2 * arg)) && ledstatus) { + led ^= 0x80; + oxc_get_expander(CONFIG_SYS_I2C_EXPANDER0_ADDR, &val); + udelay(200); + oxc_set_expander(CONFIG_SYS_I2C_EXPANDER0_ADDR, (val & 0x7F) | led); + ledtoggle = 0; + } +} +#endif + +#ifdef CONFIG_SHOW_BOOT_PROGRESS +void show_boot_progress(int arg) +{ + unsigned char val; + + if (!expander0alive) return; + + if (arg > 0 && ledstatus) { + ledstatus = 0; + oxc_get_expander(CONFIG_SYS_I2C_EXPANDER0_ADDR, &val); + udelay(200); + oxc_set_expander(CONFIG_SYS_I2C_EXPANDER0_ADDR, val | 0x80); + } else if (arg < 0) { + oxc_get_expander(CONFIG_SYS_I2C_EXPANDER0_ADDR, &val); + udelay(200); + oxc_set_expander(CONFIG_SYS_I2C_EXPANDER0_ADDR, val & 0x7F); + ledstatus = 1; + } +} +#endif + +int misc_init_r (void) +{ + /* check whether the i2c expander #0 is accessible */ + if (!oxc_set_expander(CONFIG_SYS_I2C_EXPANDER0_ADDR, 0x7F)) { + udelay(200); + expander0alive = 1; + } + +#ifdef CONFIG_SYS_OXC_GENERATE_IP + { + char str[32]; + unsigned long ip = CONFIG_SYS_OXC_IPMASK; + bd_t *bd = gd->bd; + + if (expander0alive) { + unsigned char val; + + if (!oxc_get_expander(CONFIG_SYS_I2C_EXPANDER0_ADDR, &val)) { + ip = (ip & 0xffffff00) | ((val & 0x7c) >> 2); + } + } + + if ((ip & 0xff) < 3) { + /* if fail, set x.x.x.254 */ + ip = (ip & 0xffffff00) | 0xfe; + } + + bd->bi_ip_addr = ip; + sprintf(str, "%ld.%ld.%ld.%ld", + (bd->bi_ip_addr & 0xff000000) >> 24, + (bd->bi_ip_addr & 0x00ff0000) >> 16, + (bd->bi_ip_addr & 0x0000ff00) >> 8, + (bd->bi_ip_addr & 0x000000ff)); + setenv("ipaddr", str); + printf("ip: %s\n", str); + } +#endif + return (0); +} + +int board_eth_init(bd_t *bis) +{ + return pci_eth_init(bis); +} |