*/
#include <common.h>
+#include <asm/io.h>
#include <asm/processor.h>
#include <command.h>
#include <malloc.h>
return 0;
}
-
-int misc_init_f (void)
-{
- return 0; /* dummy implementation */
-}
-
-
int misc_init_r (void)
{
- volatile unsigned char *duart0_mcr = (unsigned char *)((ulong)DUART0_BA + 4);
- volatile unsigned char *duart1_mcr = (unsigned char *)((ulong)DUART1_BA + 4);
- volatile unsigned short *lcd_contrast =
- (unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL + 4);
- volatile unsigned short *lcd_backlight =
- (unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL + 6);
+ unsigned char *duart0_mcr = (unsigned char *)((ulong)DUART0_BA + 4);
+ unsigned char *duart1_mcr = (unsigned char *)((ulong)DUART1_BA + 4);
+ unsigned short *lcd_contrast =
+ (unsigned short *)((ulong)CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL + 4);
+ unsigned short *lcd_backlight =
+ (unsigned short *)((ulong)CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL + 6);
unsigned char *dst;
ulong len = sizeof(fpgadata);
int status;
int i;
char *str;
- dst = malloc(CFG_FPGA_MAX_SIZE);
- if (gunzip (dst, CFG_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
+ dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE);
+ if (gunzip (dst, CONFIG_SYS_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
printf ("GUNZIP ERROR - must RESET board to recover\n");
do_reset (NULL, 0, 0, NULL);
}
/*
* Reset FPGA via FPGA_INIT pin
*/
- out32(GPIO0_TCR, in32(GPIO0_TCR) | FPGA_INIT); /* setup FPGA_INIT as output */
- out32(GPIO0_OR, in32(GPIO0_OR) & ~FPGA_INIT); /* reset low */
+ out_be32((void*)GPIO0_TCR, in_be32((void*)GPIO0_TCR) | FPGA_INIT); /* setup FPGA_INIT as output */
+ out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) & ~FPGA_INIT); /* reset low */
udelay(1000); /* wait 1ms */
- out32(GPIO0_OR, in32(GPIO0_OR) | FPGA_INIT); /* reset high */
+ out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | FPGA_INIT); /* reset high */
udelay(1000); /* wait 1ms */
/*
* Reset external DUARTs
*/
- out32(GPIO0_OR, in32(GPIO0_OR) | CFG_DUART_RST); /* set reset to high */
+ out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CONFIG_SYS_DUART_RST); /* set reset to high */
udelay(10); /* wait 10us */
- out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_DUART_RST); /* set reset to low */
+ out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_DUART_RST); /* set reset to low */
udelay(1000); /* wait 1ms */
/*
* Set NAND-FLASH GPIO signals to default
*/
- out32(GPIO0_OR, in32(GPIO0_OR) & ~(CFG_NAND_CLE | CFG_NAND_ALE));
- out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND_CE);
+ out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) & ~(CONFIG_SYS_NAND_CLE | CONFIG_SYS_NAND_ALE));
+ out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CONFIG_SYS_NAND_CE);
+
+ /*
+ * Setup EEPROM write protection
+ */
+ out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CONFIG_SYS_EEPROM_WP);
+ out_be32((void*)GPIO0_TCR, in_be32((void*)GPIO0_TCR) | CONFIG_SYS_EEPROM_WP);
/*
* Enable interrupts in exar duart mcr[3]
*/
- *duart0_mcr = 0x08;
- *duart1_mcr = 0x08;
+ out_8(duart0_mcr, 0x08);
+ out_8(duart1_mcr, 0x08);
/*
* Init lcd interface and display logo
str = getenv("bd_type");
if (strcmp(str, "voh405_bw") == 0) {
lcd_setup(0, 1);
- lcd_init((uchar *)CFG_LCD_SMALL_REG, (uchar *)CFG_LCD_SMALL_MEM,
+ lcd_init((uchar *)CONFIG_SYS_LCD_SMALL_REG, (uchar *)CONFIG_SYS_LCD_SMALL_MEM,
regs_13704_320_240_4bpp,
sizeof(regs_13704_320_240_4bpp)/sizeof(regs_13704_320_240_4bpp[0]),
logo_bmp_320, sizeof(logo_bmp_320));
} else if (strcmp(str, "voh405_bwbw") == 0) {
lcd_setup(0, 1);
- lcd_init((uchar *)CFG_LCD_SMALL_REG, (uchar *)CFG_LCD_SMALL_MEM,
+ lcd_init((uchar *)CONFIG_SYS_LCD_SMALL_REG, (uchar *)CONFIG_SYS_LCD_SMALL_MEM,
regs_13704_320_240_4bpp,
sizeof(regs_13704_320_240_4bpp)/sizeof(regs_13704_320_240_4bpp[0]),
logo_bmp_320, sizeof(logo_bmp_320));
lcd_setup(1, 1);
- lcd_init((uchar *)CFG_LCD_BIG_REG, (uchar *)CFG_LCD_BIG_MEM,
+ lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG, (uchar *)CONFIG_SYS_LCD_BIG_MEM,
regs_13806_320_240_4bpp,
sizeof(regs_13806_320_240_4bpp)/sizeof(regs_13806_320_240_4bpp[0]),
logo_bmp_320, sizeof(logo_bmp_320));
} else if (strcmp(str, "voh405_bwc") == 0) {
lcd_setup(0, 1);
- lcd_init((uchar *)CFG_LCD_SMALL_REG, (uchar *)CFG_LCD_SMALL_MEM,
+ lcd_init((uchar *)CONFIG_SYS_LCD_SMALL_REG, (uchar *)CONFIG_SYS_LCD_SMALL_MEM,
regs_13704_320_240_4bpp,
sizeof(regs_13704_320_240_4bpp)/sizeof(regs_13704_320_240_4bpp[0]),
logo_bmp_320, sizeof(logo_bmp_320));
lcd_setup(1, 0);
- lcd_init((uchar *)CFG_LCD_BIG_REG, (uchar *)CFG_LCD_BIG_MEM,
+ lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG, (uchar *)CONFIG_SYS_LCD_BIG_MEM,
regs_13806_640_480_16bpp,
sizeof(regs_13806_640_480_16bpp)/sizeof(regs_13806_640_480_16bpp[0]),
logo_bmp_640, sizeof(logo_bmp_640));
/*
* Set invert bit in small lcd controller
*/
- *(unsigned char *)(CFG_LCD_SMALL_REG + 2) |= 0x01;
+ out_8((unsigned char *)(CONFIG_SYS_LCD_SMALL_REG + 2),
+ in_8((unsigned char *)(CONFIG_SYS_LCD_SMALL_REG + 2)) | 0x01);
/*
* Set default contrast voltage on epson vga controller
*/
- *lcd_contrast = 0x4646;
+ out_be16(lcd_contrast, 0x4646);
/*
* Enable backlight
*/
- *lcd_backlight = 0xffff;
+ out_be16(lcd_backlight, 0xffff);
+
+ /*
+ * Enable external I2C bus
+ */
+ out_be32((void*)GPIO0_TCR, in_be32((void*)GPIO0_TCR) | CONFIG_SYS_IIC_ON);
return (0);
}
putc ('\n');
- /*
- * Disable sleep mode in LXT971
- */
- lxt971_no_sleep();
-
return 0;
}
-/* ------------------------------------------------------------------------- */
-
-long int initdram (int board_type)
-{
- unsigned long val;
-
- mtdcr(memcfga, mem_mb0cf);
- val = mfdcr(memcfgd);
-
-#if 0
- printf("\nmb0cf=%x\n", val); /* test-only */
- printf("strap=%x\n", mfdcr(strap)); /* test-only */
-#endif
-
- return (4*1024*1024 << ((val & 0x000e0000) >> 17));
-}
-
-/* ------------------------------------------------------------------------- */
-
-int testdram (void)
-{
- /* TODO: XXX XXX XXX */
- printf ("test: 16 MB - ok\n");
-
- return (0);
-}
-
-/* ------------------------------------------------------------------------- */
-
#ifdef CONFIG_IDE_RESET
+#define FPGA_MODE (CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL)
void ide_set_reset(int on)
{
- volatile unsigned short *fpga_mode =
- (unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL);
-
/*
* Assert or deassert CompactFlash Reset Pin
*/
if (on) { /* assert RESET */
- *fpga_mode &= ~(CFG_FPGA_CTRL_CF_RESET);
+ out_be16((void *)FPGA_MODE,
+ in_be16((void *)FPGA_MODE) & ~CONFIG_SYS_FPGA_CTRL_CF_RESET);
} else { /* release RESET */
- *fpga_mode |= CFG_FPGA_CTRL_CF_RESET;
+ out_be16((void *)FPGA_MODE,
+ in_be16((void *)FPGA_MODE) | CONFIG_SYS_FPGA_CTRL_CF_RESET);
}
}
#endif /* CONFIG_IDE_RESET */
+#if defined(CONFIG_RESET_PHY_R)
+void reset_phy(void)
+{
+#ifdef CONFIG_LXT971_NO_SLEEP
-#if (CONFIG_COMMANDS & CFG_CMD_NAND)
-#include <linux/mtd/nand_legacy.h>
-extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
+ /*
+ * Disable sleep mode in LXT971
+ */
+ lxt971_no_sleep();
+#endif
+}
+#endif
+
+#if defined(CONFIG_SYS_EEPROM_WREN)
+/* Input: <dev_addr> I2C address of EEPROM device to enable.
+ * <state> -1: deliver current state
+ * 0: disable write
+ * 1: enable write
+ * Returns: -1: wrong device address
+ * 0: dis-/en- able done
+ * 0/1: current state if <state> was -1.
+ */
+int eeprom_write_enable (unsigned dev_addr, int state)
+{
+ if (CONFIG_SYS_I2C_EEPROM_ADDR != dev_addr) {
+ return -1;
+ } else {
+ switch (state) {
+ case 1:
+ /* Enable write access, clear bit GPIO0. */
+ out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_EEPROM_WP);
+ state = 0;
+ break;
+ case 0:
+ /* Disable write access, set bit GPIO0. */
+ out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CONFIG_SYS_EEPROM_WP);
+ state = 0;
+ break;
+ default:
+ /* Read current status back. */
+ state = (0 == (in_be32((void*)GPIO0_OR) & CONFIG_SYS_EEPROM_WP));
+ break;
+ }
+ }
+ return state;
+}
-void nand_init(void)
+int do_eep_wren (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
- nand_probe(CFG_NAND_BASE);
- if (nand_dev_desc[0].ChipID != NAND_ChipID_UNKNOWN) {
- print_size(nand_dev_desc[0].totlen, "\n");
+ int query = argc == 1;
+ int state = 0;
+
+ if (query) {
+ /* Query write access state. */
+ state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, -1);
+ if (state < 0) {
+ puts ("Query of write access state failed.\n");
+ } else {
+ printf ("Write access for device 0x%0x is %sabled.\n",
+ CONFIG_SYS_I2C_EEPROM_ADDR, state ? "en" : "dis");
+ state = 0;
+ }
+ } else {
+ if ('0' == argv[1][0]) {
+ /* Disable write access. */
+ state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, 0);
+ } else {
+ /* Enable write access. */
+ state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, 1);
+ }
+ if (state < 0) {
+ puts ("Setup of write access state failed.\n");
+ }
}
+
+ return state;
}
-#endif
+
+U_BOOT_CMD(eepwren, 2, 0, do_eep_wren,
+ "Enable / disable / query EEPROM write access",
+ ""
+);
+#endif /* #if defined(CONFIG_SYS_EEPROM_WREN) */
projects / karo-tx-uboot.git / blobdiff