diff options
Diffstat (limited to 'board/delta/delta.c')
| -rw-r--r-- | board/delta/delta.c | 378 |
1 files changed, 0 insertions, 378 deletions
diff --git a/board/delta/delta.c b/board/delta/delta.c deleted file mode 100644 index df23076a64..0000000000 --- a/board/delta/delta.c +++ /dev/null @@ -1,378 +0,0 @@ -/* - * (C) Copyright 2006 - * DENX Software Engineering - * - * 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 <netdev.h> -#include <i2c.h> -#include <da9030.h> -#include <malloc.h> -#include <command.h> -#include <asm/arch/pxa-regs.h> -#include <asm/io.h> - -DECLARE_GLOBAL_DATA_PTR; - -/* ------------------------------------------------------------------------- */ - -static void init_DA9030(void); -static void keys_init(void); -static void get_pressed_keys(uchar *s); -static uchar *key_match(uchar *kbd_data); - -/* - * Miscelaneous platform dependent initialisations - */ - -int board_init (void) -{ - /* memory and cpu-speed are setup before relocation */ - /* so we do _nothing_ here */ - - /* arch number of Lubbock-Board mk@tbd: fix this! */ - gd->bd->bi_arch_number = MACH_TYPE_LUBBOCK; - - /* adress of boot parameters */ - gd->bd->bi_boot_params = 0xa0000100; - - return 0; -} - -int board_late_init(void) -{ -#ifdef DELTA_CHECK_KEYBD - uchar kbd_data[KEYBD_DATALEN]; - char keybd_env[2 * KEYBD_DATALEN + 1]; - char *str; - int i; -#endif /* DELTA_CHECK_KEYBD */ - - setenv("stdout", "serial"); - setenv("stderr", "serial"); - -#ifdef DELTA_CHECK_KEYBD - keys_init(); - - memset(kbd_data, '\0', KEYBD_DATALEN); - - /* check for pressed keys and setup keybd_env */ - get_pressed_keys(kbd_data); - - for (i = 0; i < KEYBD_DATALEN; ++i) { - sprintf (keybd_env + i + i, "%02X", kbd_data[i]); - } - setenv ("keybd", keybd_env); - - str = strdup ((char *)key_match (kbd_data)); /* decode keys */ - -# ifdef CONFIG_PREBOOT /* automatically configure "preboot" command on key match */ - setenv ("preboot", str); /* set or delete definition */ -# endif /* CONFIG_PREBOOT */ - if (str != NULL) { - free (str); - } -#endif /* DELTA_CHECK_KEYBD */ - - init_DA9030(); - return 0; -} - -/* - * Magic Key Handling, mainly copied from board/lwmon/lwmon.c - */ -#ifdef DELTA_CHECK_KEYBD - -static uchar kbd_magic_prefix[] = "key_magic"; -static uchar kbd_command_prefix[] = "key_cmd"; - -/* - * Get pressed keys - * s is a buffer of size KEYBD_DATALEN-1 - */ -static void get_pressed_keys(uchar *s) -{ - unsigned long val; - val = readl(GPLR3); - - if(val & (1<<31)) - *s++ = KEYBD_KP_DKIN0; - if(val & (1<<18)) - *s++ = KEYBD_KP_DKIN1; - if(val & (1<<29)) - *s++ = KEYBD_KP_DKIN2; - if(val & (1<<22)) - *s++ = KEYBD_KP_DKIN5; -} - -static void keys_init() -{ - writel(readl(CKENB) | CKENB_7_GPIO, CKENB); - udelay(100); - - /* Configure GPIOs */ - writel(0xa840, GPIO127); /* KP_DKIN0 */ - writel(0xa840, GPIO114); /* KP_DKIN1 */ - writel(0xa840, GPIO125); /* KP_DKIN2 */ - writel(0xa840, GPIO118); /* KP_DKIN5 */ - - /* Configure GPIOs as inputs */ - writel(readl(GPDR3) & ~(1<<31 | 1<<18 | 1<<29 | 1<<22), GPDR3); - writel((1<<31 | 1<<18 | 1<<29 | 1<<22), GCDR3); - - udelay(100); -} - -static int compare_magic (uchar *kbd_data, uchar *str) -{ - /* uchar compare[KEYBD_DATALEN-1]; */ - uchar compare[KEYBD_DATALEN]; - char *nxt; - int i; - - /* Don't include modifier byte */ - /* memcpy (compare, kbd_data+1, KEYBD_DATALEN-1); */ - memcpy (compare, kbd_data, KEYBD_DATALEN); - - for (; str != NULL; str = (*nxt) ? (uchar *)(nxt+1) : (uchar *)nxt) { - uchar c; - int k; - - c = (uchar) simple_strtoul ((char *)str, (char **) (&nxt), 16); - - if (str == (uchar *)nxt) { /* invalid character */ - break; - } - - /* - * Check if this key matches the input. - * Set matches to zero, so they match only once - * and we can find duplicates or extra keys - */ - for (k = 0; k < sizeof(compare); ++k) { - if (compare[k] == '\0') /* only non-zero entries */ - continue; - if (c == compare[k]) { /* found matching key */ - compare[k] = '\0'; - break; - } - } - if (k == sizeof(compare)) { - return -1; /* unmatched key */ - } - } - - /* - * A full match leaves no keys in the `compare' array, - */ - for (i = 0; i < sizeof(compare); ++i) { - if (compare[i]) - { - return -1; - } - } - - return 0; -} - - -static uchar *key_match (uchar *kbd_data) -{ - char magic[sizeof (kbd_magic_prefix) + 1]; - uchar *suffix; - char *kbd_magic_keys; - - /* - * The following string defines the characters that can pe appended - * to "key_magic" to form the names of environment variables that - * hold "magic" key codes, i. e. such key codes that can cause - * pre-boot actions. If the string is empty (""), then only - * "key_magic" is checked (old behaviour); the string "125" causes - * checks for "key_magic1", "key_magic2" and "key_magic5", etc. - */ - if ((kbd_magic_keys = getenv ("magic_keys")) == NULL) - kbd_magic_keys = ""; - - /* loop over all magic keys; - * use '\0' suffix in case of empty string - */ - for (suffix=(uchar *)kbd_magic_keys; *suffix || suffix==(uchar *)kbd_magic_keys; ++suffix) { - sprintf (magic, "%s%c", kbd_magic_prefix, *suffix); -#if 0 - printf ("### Check magic \"%s\"\n", magic); -#endif - if (compare_magic(kbd_data, (uchar *)getenv(magic)) == 0) { - char cmd_name[sizeof (kbd_command_prefix) + 1]; - char *cmd; - - sprintf (cmd_name, "%s%c", kbd_command_prefix, *suffix); - - cmd = getenv (cmd_name); -#if 0 - printf ("### Set PREBOOT to $(%s): \"%s\"\n", - cmd_name, cmd ? cmd : "<<NULL>>"); -#endif - *kbd_data = *suffix; - return ((uchar *)cmd); - } - } -#if 0 - printf ("### Delete PREBOOT\n"); -#endif - *kbd_data = '\0'; - return (NULL); -} - -int do_kbd (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - uchar kbd_data[KEYBD_DATALEN]; - char keybd_env[2 * KEYBD_DATALEN + 1]; - int i; - - /* Read keys */ - get_pressed_keys(kbd_data); - puts ("Keys:"); - for (i = 0; i < KEYBD_DATALEN; ++i) { - sprintf (keybd_env + i + i, "%02X", kbd_data[i]); - printf (" %02x", kbd_data[i]); - } - putc ('\n'); - setenv ("keybd", keybd_env); - return 0; -} - -U_BOOT_CMD( - kbd, 1, 1, do_kbd, - "read keyboard status", - "" -); - -#endif /* DELTA_CHECK_KEYBD */ - - -int dram_init (void) -{ - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; - gd->bd->bi_dram[1].start = PHYS_SDRAM_2; - gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; - gd->bd->bi_dram[2].start = PHYS_SDRAM_3; - gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE; - gd->bd->bi_dram[3].start = PHYS_SDRAM_4; - gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE; - - return 0; -} - -void i2c_init_board() -{ - writel(readl(CKENB) | (CKENB_4_I2C), CKENB); - - /* setup I2C GPIO's */ - writel(0x801, GPIO32); /* SCL = Alt. Fkt. 1 */ - writel(0x801, GPIO33); /* SDA = Alt. Fkt. 1 */ -} - -/* initialize the DA9030 Power Controller */ -static void init_DA9030() -{ - uchar addr = (uchar) DA9030_I2C_ADDR, val = 0; - - writel(readl(CKENB) | CKENB_7_GPIO, CKENB); - udelay(100); - - /* Rising Edge on EXTON to reset DA9030 */ - writel(0x8800, GPIO17); /* configure GPIO17, no pullup, -down */ - writel(readl(GPDR0) | (1<<17), GPDR0); /* GPIO17 is output */ - writel((1<<17), GSDR0); - writel((1<<17), GPCR0); /* drive GPIO17 low */ - writel((1<<17), GPSR0); /* drive GPIO17 high */ - -#if CONFIG_SYS_DA9030_EXTON_DELAY - udelay((unsigned long) CONFIG_SYS_DA9030_EXTON_DELAY); /* wait for DA9030 */ -#endif - writel((1<<17), GPCR0); /* drive GPIO17 low */ - - /* reset the watchdog and go active (0xec) */ - val = (SYS_CONTROL_A_HWRES_ENABLE | - (0x6<<4) | - SYS_CONTROL_A_WDOG_ACTION | - SYS_CONTROL_A_WATCHDOG); - if(i2c_write(addr, SYS_CONTROL_A, 1, &val, 1)) { - printf("Error accessing DA9030 via i2c.\n"); - return; - } - - val = 0x80; - if(i2c_write(addr, IRQ_MASK_B, 1, &val, 1)) { - printf("Error accessing DA9030 via i2c.\n"); - return; - } - - i2c_reg_write(addr, REG_CONTROL_1_97, 0xfd); /* disable LDO1, enable LDO6 */ - i2c_reg_write(addr, LDO2_3, 0xd1); /* LDO2 =1,9V, LDO3=3,1V */ - i2c_reg_write(addr, LDO4_5, 0xcc); /* LDO2 =1,9V, LDO3=3,1V */ - i2c_reg_write(addr, LDO6_SIMCP, 0x3e); /* LDO6=3,2V, SIMCP = 5V support */ - i2c_reg_write(addr, LDO7_8, 0xc9); /* LDO7=2,7V, LDO8=3,0V */ - i2c_reg_write(addr, LDO9_12, 0xec); /* LDO9=3,0V, LDO12=3,2V */ - i2c_reg_write(addr, BUCK, 0x0c); /* Buck=1.2V */ - i2c_reg_write(addr, REG_CONTROL_2_98, 0x7f); /* All LDO'S on 8,9,10,11,12,14 */ - i2c_reg_write(addr, LDO_10_11, 0xcc); /* LDO10=3.0V LDO11=3.0V */ - i2c_reg_write(addr, LDO_15, 0xae); /* LDO15=1.8V, dislock first 3bit */ - i2c_reg_write(addr, LDO_14_16, 0x05); /* LDO14=2.8V, LDO16=NB */ - i2c_reg_write(addr, LDO_18_19, 0x9c); /* LDO18=3.0V, LDO19=2.7V */ - i2c_reg_write(addr, LDO_17_SIMCP0, 0x2c); /* LDO17=3.0V, SIMCP=3V support */ - i2c_reg_write(addr, BUCK2_DVC1, 0x9a); /* Buck2=1.5V plus Update support of 520 MHz */ - i2c_reg_write(addr, REG_CONTROL_2_18, 0x43); /* Ball on */ - i2c_reg_write(addr, MISC_CONTROLB, 0x08); /* session valid enable */ - i2c_reg_write(addr, USBPUMP, 0xc1); /* start pump, ignore HW signals */ - - val = i2c_reg_read(addr, STATUS); - if(val & STATUS_CHDET) - printf("Charger detected, turning on LED.\n"); - else { - printf("No charger detetected.\n"); - /* undervoltage? print error and power down */ - } -} - - -#if 0 -/* reset the DA9030 watchdog */ -void hw_watchdog_reset(void) -{ - uchar addr = (uchar) DA9030_I2C_ADDR, val = 0; - val = i2c_reg_read(addr, SYS_CONTROL_A); - val |= SYS_CONTROL_A_WATCHDOG; - i2c_reg_write(addr, SYS_CONTROL_A, val); -} -#endif - -#ifdef CONFIG_CMD_NET -int board_eth_init(bd_t *bis) -{ - int rc = 0; -#ifdef CONFIG_SMC91111 - rc = smc91111_initialize(0, CONFIG_SMC91111_BASE); -#endif - return rc; -} -#endif |
