diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c
index f1951e883e..109a1ac752 100644
--- a/arch/arm/lib/board.c
+++ b/arch/arm/lib/board.c
@@ -241,6 +241,9 @@ init_fnc_t *init_sequence[] = {
 	fdtdec_check_fdt,
 #endif
 	timer_init,		/* initialize timer */
+#ifdef CONFIG_BOARD_POSTCLK_INIT
+	board_postclk_init,
+#endif
 #ifdef CONFIG_FSL_ESDHC
 	get_clocks,
 #endif
diff --git a/board/BuS/eb_cpux9k2/cpux9k2.c b/board/BuS/eb_cpux9k2/cpux9k2.c
index 776226fcb3..e98244b5ed 100644
--- a/board/BuS/eb_cpux9k2/cpux9k2.c
+++ b/board/BuS/eb_cpux9k2/cpux9k2.c
@@ -267,9 +267,9 @@ int drv_video_init(void)
 		display_height = 256;
 	printf("%ld x %ld pixel matrix\n", display_width, display_height);
 
-	/* RWH = 7 | RWS =7  | TDF = 15 | NWS = 0x7F */
-	csr =	AT91_SMC_CSR_RWHOLD(7) | AT91_SMC_CSR_RWSETUP(7) |
-		AT91_SMC_CSR_TDF(15) | AT91_SMC_CSR_NWS(127) |
+	/* RWH = 2 | RWS =2  | TDF = 4 | NWS = 0x6 */
+	csr =	AT91_SMC_CSR_RWHOLD(2) | AT91_SMC_CSR_RWSETUP(2) |
+		AT91_SMC_CSR_TDF(4) | AT91_SMC_CSR_NWS(6) |
 		AT91_SMC_CSR_ACSS_STANDARD | AT91_SMC_CSR_DBW_16 |
 		AT91_SMC_CSR_BAT_16 | AT91_SMC_CSR_WSEN;
 	writel(csr, &mc->smc.csr[2]);
diff --git a/board/taskit/stamp9g20/stamp9g20.c b/board/taskit/stamp9g20/stamp9g20.c
index 5e07bf8d4e..06df0af06f 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_postclk_init(void)
+{
+	/*
+	 * 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.
+	 */
+
+#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;
 
-	/* Enable the serial interface */
-	at91_set_gpio_output(AT91_PIN_PC9, 1);
-	at91_seriald_hw_init();
-
 	stamp9G20_nand_hw_init();
 #ifdef CONFIG_MACB
 	stamp9G20_macb_hw_init();
diff --git a/boards.cfg b/boards.cfg
index 72e7803442..613d6b2927 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -60,7 +60,8 @@ integratorcp_cm920t          arm         arm920t     integrator          armltd
 a320evb                      arm         arm920t     -                   faraday        a320
 at91rm9200ek                 arm         arm920t     at91rm9200ek        atmel          at91        at91rm9200ek
 at91rm9200ek_ram             arm         arm920t     at91rm9200ek        atmel          at91        at91rm9200ek:RAMBOOT
-eb_cpux9k2                   arm         arm920t     -                   BuS            at91
+eb_cpux9k2                   arm         arm920t     eb_cpux9k2          BuS            at91        eb_cpux9k2
+eb_cpux9k2_ram               arm         arm920t     eb_cpux9k2          BuS            at91        eb_cpux9k2:RAMBOOT
 cpuat91                      arm         arm920t     cpuat91             eukrea         at91        cpuat91
 cpuat91_ram                  arm         arm920t     cpuat91             eukrea         at91        cpuat91:RAMBOOT
 mx1ads                       arm         arm920t     -                   -              imx
diff --git a/include/configs/eb_cpux9k2.h b/include/configs/eb_cpux9k2.h
index d4104de5f2..9371ec31f3 100644
--- a/include/configs/eb_cpux9k2.h
+++ b/include/configs/eb_cpux9k2.h
@@ -44,7 +44,12 @@
 #define MACH_TYPE_EB_CPUX9K2		1977
 #define CONFIG_MACH_TYPE		MACH_TYPE_EB_CPUX9K2
 /*--------------------------------------------------------------------------*/
-#define CONFIG_SYS_TEXT_BASE 		0x00000000
+#ifndef CONFIG_RAMBOOT
+#define CONFIG_SYS_TEXT_BASE		0x00000000
+#else
+#define CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_SYS_TEXT_BASE		0x21f00000
+#endif
 #define CONFIG_SYS_LOAD_ADDR		0x21000000  /* default load address */
 
 #define CONFIG_SYS_BOOT_SIZE		0x00 /* 0 KBytes */
diff --git a/include/configs/stamp9g20.h b/include/configs/stamp9g20.h
index a2a0156a65..a881eef300 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 */