*/
#include <common.h>
+#include <asm/io.h>
#include <asm/processor.h>
#include <command.h>
#include <malloc.h>
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 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)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL + 4);
- volatile unsigned short *lcd_backlight =
+ unsigned short *lcd_backlight =
(unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL + 6);
unsigned char *dst;
ulong len = sizeof(fpgadata);
/*
* 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) | CFG_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) & ~CFG_DUART_RST); /* set reset to low */
udelay(1000); /* wait 1ms */
+ /*
+ * Set NAND-FLASH GPIO signals to default
+ */
+ out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) & ~(CFG_NAND_CLE | CFG_NAND_ALE));
+ out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CFG_NAND_CE);
+
+ /*
+ * Setup EEPROM write protection
+ */
+ out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CFG_EEPROM_WP);
+ out_be32((void*)GPIO0_TCR, in_be32((void*)GPIO0_TCR) | CFG_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
/*
* Set invert bit in small lcd controller
*/
- *(unsigned char *)(CFG_LCD_SMALL_REG + 2) |= 0x01;
+ out_8((unsigned char *)(CFG_LCD_SMALL_REG + 2),
+ in_8((unsigned char *)(CFG_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) | CFG_IIC_ON);
return (0);
}
putc ('\n');
- /*
- * Disable sleep mode in LXT971
- */
- lxt971_no_sleep();
-
return 0;
}
}
}
#endif /* CONFIG_IDE_RESET */
+
+#if defined(CONFIG_RESET_PHY_R)
+void reset_phy(void)
+{
+#ifdef CONFIG_LXT971_NO_SLEEP
+
+ /*
+ * Disable sleep mode in LXT971
+ */
+ lxt971_no_sleep();
+#endif
+}
+#endif
+
+#if defined(CFG_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 (CFG_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) & ~CFG_EEPROM_WP);
+ state = 0;
+ break;
+ case 0:
+ /* Disable write access, set bit GPIO0. */
+ out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | CFG_EEPROM_WP);
+ state = 0;
+ break;
+ default:
+ /* Read current status back. */
+ state = (0 == (in_be32((void*)GPIO0_OR) & CFG_EEPROM_WP));
+ break;
+ }
+ }
+ return state;
+}
+
+int do_eep_wren (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ int query = argc == 1;
+ int state = 0;
+
+ if (query) {
+ /* Query write access state. */
+ state = eeprom_write_enable (CFG_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",
+ CFG_I2C_EEPROM_ADDR, state ? "en" : "dis");
+ state = 0;
+ }
+ } else {
+ if ('0' == argv[1][0]) {
+ /* Disable write access. */
+ state = eeprom_write_enable (CFG_I2C_EEPROM_ADDR, 0);
+ } else {
+ /* Enable write access. */
+ state = eeprom_write_enable (CFG_I2C_EEPROM_ADDR, 1);
+ }
+ if (state < 0) {
+ puts ("Setup of write access state failed.\n");
+ }
+ }
+
+ return state;
+}
+
+U_BOOT_CMD(eepwren, 2, 0, do_eep_wren,
+ "eepwren - Enable / disable / query EEPROM write access\n",
+ NULL);
+#endif /* #if defined(CFG_EEPROM_WREN) */
#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
+#define CONFIG_NET_MULTI 1
+#undef CONFIG_HAS_ETH1
+
#define CONFIG_MII 1 /* MII PHY management */
#define CONFIG_PHY_ADDR 0 /* PHY address */
#define CONFIG_LXT971_NO_SLEEP 1 /* disable sleep mode in LXT971 */
+#define CONFIG_RESET_PHY_R 1 /* use reset_phy() to disable phy sleep mode */
#define CONFIG_PHY_CLK_FREQ EMAC_STACR_CLK_66MHZ /* 66 MHz OPB clock*/
#define CFG_IDE_MAXBUS 2 /* max. 2 IDE busses */
#define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS*2) /* max. 2 drives per IDE bus */
-#define CONFIG_ATAPI 1 /* ATAPI for Travelstar */
-
#define CFG_ATA_BASE_ADDR 0xF0100000
#define CFG_ATA_IDE0_OFFSET 0x0000
#define CFG_ATA_IDE1_OFFSET 0x0010
#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
-#if 0 /* test-only */
-#define CFG_JFFS2_FIRST_BANK 0 /* use for JFFS2 */
-#define CFG_JFFS2_NUM_BANKS 1 /* ! second bank contains U-Boot */
-#endif
-
/*-----------------------------------------------------------------------
* Start addresses for the final memory configuration
* (Set up by the startup code)
* I2C EEPROM (CAT24WC16) for environment
*/
#define CONFIG_HARD_I2C /* I2c with hardware support */
-#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
+#define CFG_I2C_SPEED 100000 /* I2C speed and slave address */
#define CFG_I2C_SLAVE 0x7F
#define CFG_I2C_EEPROM_ADDR 0x50 /* EEPROM CAT24WC08 */
-#if 0 /* test-only */
-/* CAT24WC08/16... */
-#define CFG_I2C_EEPROM_ADDR_LEN 1 /* Bytes of address */
-/* mask of address bits that overflow into the "EEPROM chip address" */
-#define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x07
-#define CFG_EEPROM_PAGE_WRITE_BITS 4 /* The Catalyst CAT24WC08 has */
- /* 16 byte page write mode using*/
- /* last 4 bits of the address */
-#else
+#define CFG_EEPROM_WREN 1
+
/* CAT24WC32/64... */
#define CFG_I2C_EEPROM_ADDR_LEN 2 /* Bytes of address */
/* mask of address bits that overflow into the "EEPROM chip address" */
#define CFG_EEPROM_PAGE_WRITE_BITS 5 /* The Catalyst CAT24WC32 has */
/* 32 byte page write mode using*/
/* last 5 bits of the address */
-#endif
#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
#define CFG_EEPROM_PAGE_WRITE_ENABLE
* GPIO0[28-29] - UART1 data signal input/output
* GPIO0[30-31] - EMAC0 and EMAC1 reject packet inputs -> GPIO
*/
-#define CFG_GPIO0_OSRH 0x40000550
+#define CFG_GPIO0_OSRH 0x00000550
#define CFG_GPIO0_OSRL 0x00000110
#define CFG_GPIO0_ISR1H 0x00000000
#define CFG_GPIO0_ISR1L 0x15555440
#define CFG_GPIO0_TSRH 0x00000000
#define CFG_GPIO0_TSRL 0x00000000
-#define CFG_GPIO0_TCR 0xF7FE0017
+#define CFG_GPIO0_TCR 0x777E0017
#define CFG_DUART_RST (0x80000000 >> 14)
#define CFG_LCD_ENDIAN (0x80000000 >> 7)
+#define CFG_IIC_ON (0x80000000 >> 8)
#define CFG_LCD0_RST (0x80000000 >> 30)
#define CFG_LCD1_RST (0x80000000 >> 31)
+#define CFG_EEPROM_WP (0x80000000 >> 0)
/*
* Internal Definitions
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