imported Ka-Ro specific additions to U-Boot 2009.08 for TX28

[karo-tx-uboot.git] / board / netstar / netstar.c

diff --git a/board/netstar/netstar.c b/board/netstar/netstar.c
index f52afe50c7e3add8bc3ea0c6f68df56e9df8e481..ffd60bfae0c7be8b83c95c1b68e87ed6fdb50e6e 100755 (executable)
--- a/board/netstar/netstar.c
+++ b/board/netstar/netstar.c
@@ -21,6 +21,11 @@
  */
 
 #include <common.h>
+#include <i2c.h>
+#include <flash.h>
+#include <nand.h>
+
+#include <asm/io.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -43,7 +48,7 @@ int dram_init(void)
        /* Take the Ethernet controller out of reset and wait
         * for the EEPROM load to complete. */
        *((volatile unsigned short *) GPIO_DATA_OUTPUT_REG) |= 0x80;
-       udelay(10);     /* doesn't work before interrupt_init call */
+       udelay(10);     /* doesn't work before timer_init call */
        *((volatile unsigned short *) GPIO_DATA_OUTPUT_REG) &= ~0x80;
        udelay(500);
 
@@ -52,6 +57,10 @@ int dram_init(void)
 
 int misc_init_r(void)
 {
+#if defined(CONFIG_RTC_DS1307)
+       /* enable trickle charge */
+       i2c_reg_write(CONFIG_SYS_I2C_RTC_ADDR, 0x10, 0xaa);
+#endif
        return 0;
 }
 
@@ -59,3 +68,50 @@ int board_late_init(void)
 {
        return 0;
 }
+
+#if defined(CONFIG_CMD_FLASH)
+ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t * info)
+{
+       if (banknum == 0) {     /* AM29LV800 boot flash */
+               info->portwidth = FLASH_CFI_16BIT;
+               info->chipwidth = FLASH_CFI_BY16;
+               info->interface = FLASH_CFI_X16;
+               return 1;
+       }
+
+       return 0;
+}
+#endif
+
+#if defined(CONFIG_CMD_NAND)
+/*
+ *     hardware specific access to control-lines
+ *
+ *     NAND_NCE: bit 0 - don't care
+ *     NAND_CLE: bit 1 -> bit 1  (0x0002)
+ *     NAND_ALE: bit 2 -> bit 2  (0x0004)
+ */
+static void netstar_nand_hwcontrol(struct mtd_info *mtd, int cmd,
+       unsigned int ctrl)
+{
+       struct nand_chip *chip = mtd->priv;
+       unsigned long mask;
+
+       if (cmd == NAND_CMD_NONE)
+               return;
+
+       mask = (ctrl & NAND_CLE) ? 0x02 : 0;
+       if (ctrl & NAND_ALE)
+               mask |= 0x04;
+       writeb(cmd, (unsigned long)chip->IO_ADDR_W | mask);
+}
+
+int board_nand_init(struct nand_chip *nand)
+{
+       nand->options = NAND_SAMSUNG_LP_OPTIONS;
+       nand->ecc.mode = NAND_ECC_SOFT;
+       nand->cmd_ctrl = netstar_nand_hwcontrol;
+       nand->chip_delay = 400;
+       return 0;
+}
+#endif