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-rw-r--r--board/trab/trab.c436
1 files changed, 0 insertions, 436 deletions
diff --git a/board/trab/trab.c b/board/trab/trab.c
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--- a/board/trab/trab.c
+++ /dev/null
@@ -1,436 +0,0 @@
-/*
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * 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
- */
-
-/* #define DEBUG */
-
-#include <common.h>
-#include <netdev.h>
-#include <malloc.h>
-#include <asm/arch/s3c24x0_cpu.h>
-#include <command.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#ifdef CONFIG_SYS_BRIGHTNESS
-static void spi_init(void);
-static void wait_transmit_done(void);
-static void tsc2000_write(unsigned int page, unsigned int reg,
- unsigned int data);
-static void tsc2000_set_brightness(void);
-#endif
-#ifdef CONFIG_MODEM_SUPPORT
-static int key_pressed(void);
-extern void disable_putc(void);
-extern int do_mdm_init; /* defined in common/main.c */
-
-/*
- * We need a delay of at least 500 us after turning on the VFD clock
- * before we can read any useful information for the CPLD controlling
- * the keyboard switches. Let's play safe and wait 5 ms. The problem
- * is that timers are not available yet, so we use a manually timed
- * loop.
- */
-#define KBD_MDELAY 5000
-static void udelay_no_timer (int usec)
-{
- int i;
- int delay = usec * 3;
-
- for (i = 0; i < delay; i ++) gd->bd->bi_arch_number = MACH_TYPE_TRAB;
-}
-#endif /* CONFIG_MODEM_SUPPORT */
-
-/*
- * Miscellaneous platform dependent initialisations
- */
-
-int board_init ()
-{
-#if defined(CONFIG_VFD)
- extern int vfd_init_clocks(void);
-#endif
- struct s3c24x0_clock_power * const clk_power =
- s3c24x0_get_base_clock_power();
- struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
-
- /* memory and cpu-speed are setup before relocation */
-#ifdef CONFIG_TRAB_50MHZ
- /* change the clock to be 50 MHz 1:1:1 */
- /* MDIV:0x5c PDIV:4 SDIV:2 */
- clk_power->mpllcon = 0x5c042;
- clk_power->clkdivn = 0;
-#else
- /* change the clock to be 133 MHz 1:2:4 */
- /* MDIV:0x7d PDIV:4 SDIV:1 */
- clk_power->mpllcon = 0x7d041;
- clk_power->clkdivn = 3;
-#endif
-
- /* set up the I/O ports */
- gpio->pacon = 0x3ffff;
- gpio->pbcon = 0xaaaaaaaa;
- gpio->pbup = 0xffff;
- /* INPUT nCTS0 nRTS0 TXD[1] TXD[0] RXD[1] RXD[0] */
- /* 00, 10, 10, 10, 10, 10, 10 */
- gpio->pfcon = (2<<0) | (2<<2) | (2<<4) | (2<<6) | (2<<8) | (2<<10);
-#ifdef CONFIG_HWFLOW
- /* do not pull up RXD0, RXD1, TXD0, TXD1, CTS0, RTS0 */
- gpio->pfup = (1<<0) | (1<<1) | (1<<2) | (1<<3) | (1<<4) | (1<<5);
-#else
- /* do not pull up RXD0, RXD1, TXD0, TXD1 */
- gpio->pfup = (1<<0) | (1<<1) | (1<<2) | (1<<3);
-#endif
- gpio->pgcon = 0x0;
- gpio->pgup = 0x0;
- gpio->opencr = 0x0;
-
- /* suppress flicker of the VFDs */
- gpio->misccr = 0x40;
- gpio->pfcon |= (2<<12);
-
- gd->bd->bi_arch_number = MACH_TYPE_TRAB;
-
- /* adress of boot parameters */
- gd->bd->bi_boot_params = 0x0c000100;
-
- /* Make sure both buzzers are turned off */
- gpio->pdcon |= 0x5400;
- gpio->pddat &= ~0xE0;
-
-#ifdef CONFIG_VFD
- vfd_init_clocks();
-#endif /* CONFIG_VFD */
-
-#ifdef CONFIG_MODEM_SUPPORT
- udelay_no_timer (KBD_MDELAY);
-
- if (key_pressed()) {
- disable_putc(); /* modem doesn't understand banner etc */
- do_mdm_init = 1;
- }
-#endif /* CONFIG_MODEM_SUPPORT */
-
-#ifdef CONFIG_DRIVER_S3C24X0_I2C
- /* Configure I/O ports PG5 und PG6 for I2C */
- gpio->pgcon = (gpio->pgcon & 0x003c00) | 0x003c00;
-#endif /* CONFIG_DRIVER_S3C24X0_I2C */
-
- return 0;
-}
-
-int dram_init (void)
-{
- gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
- gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
- return 0;
-}
-
-/*-----------------------------------------------------------------------
- * Keyboard Controller
- */
-
-/* Maximum key number */
-#define KEYBD_KEY_NUM 4
-
-#define KBD_DATA (((*(volatile ulong *)0x04020000) >> 16) & 0xF)
-
-static char *key_match (ulong);
-
-int misc_init_r (void)
-{
- ulong kbd_data = KBD_DATA;
- char *str;
- char keybd_env[KEYBD_KEY_NUM + 1];
- int i;
-
-#ifdef CONFIG_VERSION_VARIABLE
- {
- /* Set version variable. Please note, that this variable is
- * also set in main_loop() later in the boot process. The
- * version variable has to be set this early, because so it
- * could be used in script files on an usb stick, which
- * might be called during do_auto_update() */
- extern char version_string[];
-
- setenv ("ver", version_string);
- }
-#endif /* CONFIG_VERSION_VARIABLE */
-
-#ifdef CONFIG_AUTO_UPDATE
- {
- extern int do_auto_update(void);
- /* this has priority over all else */
- do_auto_update();
- }
-#endif
-
- for (i = 0; i < KEYBD_KEY_NUM; ++i) {
- keybd_env[i] = '0' + ((kbd_data >> i) & 1);
- }
- keybd_env[i] = '\0';
- debug ("** Setting keybd=\"%s\"\n", keybd_env);
- setenv ("keybd", keybd_env);
-
- str = strdup (key_match (kbd_data)); /* decode keys */
-
-#ifdef CONFIG_PREBOOT /* automatically configure "preboot" command on key match */
- debug ("** Setting preboot=\"%s\"\n", str);
- setenv ("preboot", str); /* set or delete definition */
-#endif /* CONFIG_PREBOOT */
- if (str != NULL) {
- free (str);
- }
-
-#ifdef CONFIG_SYS_BRIGHTNESS
- tsc2000_set_brightness();
-#endif
- return (0);
-}
-
-#ifdef CONFIG_PREBOOT
-
-static uchar kbd_magic_prefix[] = "key_magic";
-static uchar kbd_command_prefix[] = "key_cmd";
-
-static int compare_magic (ulong kbd_data, char *str)
-{
- uchar key_mask;
-
- debug ("compare_magic: kbd: %04lx str: \"%s\"\n",kbd_data,str);
- for (; *str; str++)
- {
- uchar c = *str - '1';
-
- if (c >= KEYBD_KEY_NUM) /* bad key number */
- return -1;
-
- key_mask = 1 << c;
-
- if (!(kbd_data & key_mask)) { /* key not pressed */
- debug ( "compare_magic: "
- "kbd: %04lx mask: %04lx - key not pressed\n",
- kbd_data, key_mask );
- return -1;
- }
-
- kbd_data &= ~key_mask;
- }
-
- if (kbd_data) { /* key(s) not released */
- debug ( "compare_magic: "
- "kbd: %04lx - key(s) not released\n", kbd_data);
- return -1;
- }
-
- return 0;
-}
-
-/*-----------------------------------------------------------------------
- * Check if pressed key(s) match magic sequence,
- * and return the command string associated with that key(s).
- *
- * If no key press was decoded, NULL is returned.
- *
- * Note: the first character of the argument will be overwritten with
- * the "magic charcter code" of the decoded key(s), or '\0'.
- *
- *
- * Note: the string points to static environment data and must be
- * saved before you call any function that modifies the environment.
- */
-static char *key_match (ulong kbd_data)
-{
- char magic[sizeof (kbd_magic_prefix) + 1];
- char cmd_name[sizeof (kbd_command_prefix) + 1];
- char *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 = "";
-
- debug ("key_match: magic_keys=\"%s\"\n", kbd_magic_keys);
-
- /* loop over all magic keys;
- * use '\0' suffix in case of empty string
- */
- for (suffix=kbd_magic_keys; *suffix || suffix==kbd_magic_keys; ++suffix)
- {
- sprintf (magic, "%s%c", kbd_magic_prefix, *suffix);
-
- debug ("key_match: magic=\"%s\"\n",
- getenv(magic) ? getenv(magic) : "<UNDEFINED>");
-
- if (compare_magic(kbd_data, getenv(magic)) == 0)
- {
- sprintf (cmd_name, "%s%c", kbd_command_prefix, *suffix);
- debug ("key_match: cmdname %s=\"%s\"\n",
- cmd_name,
- getenv (cmd_name) ?
- getenv (cmd_name) :
- "<UNDEFINED>");
- return (getenv (cmd_name));
- }
- }
- debug ("key_match: no match\n");
- return (NULL);
-}
-#endif /* CONFIG_PREBOOT */
-
-/* Read Keyboard status */
-int do_kbd (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- ulong kbd_data = KBD_DATA;
- char keybd_env[KEYBD_KEY_NUM + 1];
- int i;
-
- puts ("Keys:");
- for (i = 0; i < KEYBD_KEY_NUM; ++i) {
- keybd_env[i] = '0' + ((kbd_data >> i) & 1);
- printf (" %c", keybd_env[i]);
- }
- keybd_env[i] = '\0';
- putc ('\n');
- setenv ("keybd", keybd_env);
- return 0;
-}
-
-U_BOOT_CMD(
- kbd, 1, 1, do_kbd,
- "read keyboard status",
- ""
-);
-
-#ifdef CONFIG_MODEM_SUPPORT
-static int key_pressed(void)
-{
- return (compare_magic(KBD_DATA, CONFIG_MODEM_KEY_MAGIC) == 0);
-}
-#endif /* CONFIG_MODEM_SUPPORT */
-
-#ifdef CONFIG_SYS_BRIGHTNESS
-
-static inline void SET_CS_TOUCH(void)
-{
- struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
-
- gpio->pddat &= 0x5FF;
-}
-
-static inline void CLR_CS_TOUCH(void)
-{
- struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
-
- gpio->pddat |= 0x200;
-}
-
-static void spi_init(void)
-{
- struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
- struct s3c24x0_spi * const spi = s3c24x0_get_base_spi();
- int i;
-
- /* Configure I/O ports. */
- gpio->pdcon = (gpio->pdcon & 0xF3FFFF) | 0x040000;
- gpio->pgcon = (gpio->pgcon & 0x0F3FFF) | 0x008000;
- gpio->pgcon = (gpio->pgcon & 0x0CFFFF) | 0x020000;
- gpio->pgcon = (gpio->pgcon & 0x03FFFF) | 0x080000;
-
- CLR_CS_TOUCH();
-
- spi->ch[0].sppre = 0x1F; /* Baudrate ca. 514kHz */
- spi->ch[0].sppin = 0x01; /* SPI-MOSI holds Level after last bit */
- spi->ch[0].spcon = 0x1A; /* Polling, Prescale, Master, CPOL=0, CPHA=1 */
-
- /* Dummy byte ensures clock to be low. */
- for (i = 0; i < 10; i++) {
- spi->ch[0].sptdat = 0xFF;
- }
- wait_transmit_done();
-}
-
-static void wait_transmit_done(void)
-{
- struct s3c24x0_spi * const spi = s3c24x0_get_base_spi();
-
- while (!(spi->ch[0].spsta & 0x01)) /* wait until transfer is done */
- ;
-}
-
-static void tsc2000_write(unsigned int page, unsigned int reg,
- unsigned int data)
-{
- struct s3c24x0_spi * const spi = s3c24x0_get_base_spi();
- unsigned int command;
-
- SET_CS_TOUCH();
- command = 0x0000;
- command |= (page << 11);
- command |= (reg << 5);
-
- spi->ch[0].sptdat = (command & 0xFF00) >> 8;
- wait_transmit_done();
- spi->ch[0].sptdat = (command & 0x00FF);
- wait_transmit_done();
- spi->ch[0].sptdat = (data & 0xFF00) >> 8;
- wait_transmit_done();
- spi->ch[0].sptdat = (data & 0x00FF);
- wait_transmit_done();
-
- CLR_CS_TOUCH();
-}
-
-static void tsc2000_set_brightness(void)
-{
- char tmp[10];
- int i, br;
-
- spi_init();
- tsc2000_write(1, 2, 0x0); /* Power up DAC */
-
- i = getenv_f("brightness", tmp, sizeof(tmp));
- br = (i > 0)
- ? (int) simple_strtoul (tmp, NULL, 10)
- : CONFIG_SYS_BRIGHTNESS;
-
- tsc2000_write(0, 0xb, br & 0xff);
-}
-#endif
-
-#ifdef CONFIG_CMD_NET
-int board_eth_init(bd_t *bis)
-{
- int rc = 0;
-#ifdef CONFIG_CS8900
- rc = cs8900_initialize(0, CONFIG_CS8900_BASE);
-#endif
- return rc;
-}
-#endif