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-rw-r--r--board/taskit/stamp9g20/stamp9g20.c21
-rw-r--r--include/configs/stamp9g20.h1
2 files changed, 18 insertions, 4 deletions
diff --git a/board/taskit/stamp9g20/stamp9g20.c b/board/taskit/stamp9g20/stamp9g20.c
index 5e07bf8..06df0af 100644
--- a/board/taskit/stamp9g20/stamp9g20.c
+++ b/board/taskit/stamp9g20/stamp9g20.c
@@ -159,15 +159,28 @@ int board_early_init_f(void)
return 0;
}
-int board_init(void)
+int board_postclk_init(void)
{
- /* Adress of boot parameters */
- gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+ /*
+ * Initialize the serial interface here, because be need a running
+ * timer to set PC9 to high and wait for some time to enable the
+ * level converter of the RS232 interface on the PortuxG20 board.
+ */
- /* Enable the serial interface */
+#ifdef CONFIG_PORTUXG20
at91_set_gpio_output(AT91_PIN_PC9, 1);
+ mdelay(1);
+#endif
at91_seriald_hw_init();
+ return 0;
+}
+
+int board_init(void)
+{
+ /* Adress of boot parameters */
+ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
stamp9G20_nand_hw_init();
#ifdef CONFIG_MACB
stamp9G20_macb_hw_init();
diff --git a/include/configs/stamp9g20.h b/include/configs/stamp9g20.h
index a2a0156..a881eef 100644
--- a/include/configs/stamp9g20.h
+++ b/include/configs/stamp9g20.h
@@ -59,6 +59,7 @@
#define CONFIG_INITRD_TAG /* pass initrd param to kernel */
#define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is loaded by a bootloader */
#define CONFIG_BOARD_EARLY_INIT_f /* call board_early_init_f() */
+#define CONFIG_BOARD_POSTCLK_INIT /* call board_postclk_init() */
#define CONFIG_DISPLAY_CPUINFO /* display CPU Info at startup */
/* setting board specific options */