diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index f23138b..b8cd07c 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -306,6 +306,10 @@
 	 */
 	ARB_CNTRL = ARB_CORE_PARK | 0x234;
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	pxa_set_i2c_info(NULL);
 	if (balloon3_has(BALLOON3_FEATURE_AUDIO))
 		pxa_set_ac97_info(NULL);
diff --git a/arch/arm/mach-pxa/cm-x2xx.c b/arch/arm/mach-pxa/cm-x2xx.c
index b50ef39..bff6e78 100644
--- a/arch/arm/mach-pxa/cm-x2xx.c
+++ b/arch/arm/mach-pxa/cm-x2xx.c
@@ -453,6 +453,10 @@
 
 static void __init cmx2xx_init(void)
 {
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	cmx2xx_pm_init();
 
 	if (cpu_is_pxa25x())
diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c
index 06552ca..7f2e878 100644
--- a/arch/arm/mach-pxa/cm-x300.c
+++ b/arch/arm/mach-pxa/cm-x300.c
@@ -438,6 +438,10 @@
 	/* board-processor specific GPIO initialization */
 	pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_mfp_cfg));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	cm_x300_init_dm9000();
 	cm_x300_init_lcd();
 	cm_x300_init_ohci();
diff --git a/arch/arm/mach-pxa/colibri-pxa270.c b/arch/arm/mach-pxa/colibri-pxa270.c
index 01bcfaa..061c453 100644
--- a/arch/arm/mach-pxa/colibri-pxa270.c
+++ b/arch/arm/mach-pxa/colibri-pxa270.c
@@ -130,6 +130,9 @@
 static void __init colibri_pxa270_init(void)
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa270_pin_config));
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
 	platform_add_devices(ARRAY_AND_SIZE(colibri_pxa270_devices));
 }
 
diff --git a/arch/arm/mach-pxa/colibri-pxa300.c b/arch/arm/mach-pxa/colibri-pxa300.c
index 37c239c..45c23fd 100644
--- a/arch/arm/mach-pxa/colibri-pxa300.c
+++ b/arch/arm/mach-pxa/colibri-pxa300.c
@@ -170,6 +170,10 @@
 
 void __init colibri_pxa300_init(void)
 {
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	colibri_pxa300_init_eth();
 	colibri_pxa300_init_ohci();
 	colibri_pxa3xx_init_nand();
diff --git a/arch/arm/mach-pxa/colibri-pxa320.c b/arch/arm/mach-pxa/colibri-pxa320.c
index ec0e14b..ae835fa 100644
--- a/arch/arm/mach-pxa/colibri-pxa320.c
+++ b/arch/arm/mach-pxa/colibri-pxa320.c
@@ -199,6 +199,10 @@
 
 void __init colibri_pxa320_init(void)
 {
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	colibri_pxa320_init_eth();
 	colibri_pxa320_init_ohci();
 	colibri_pxa3xx_init_nand();
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index b536b5a..74446cf 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -671,6 +671,10 @@
 
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(corgi_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	corgi_init_spi();
 
  	pxa_set_udc_info(&udc_info);
diff --git a/arch/arm/mach-pxa/csb726.c b/arch/arm/mach-pxa/csb726.c
index 965480e..88575b8 100644
--- a/arch/arm/mach-pxa/csb726.c
+++ b/arch/arm/mach-pxa/csb726.c
@@ -268,6 +268,9 @@
 /*	MSC2 = 0x06697ff4; *//* none/SM501 */
 	MSC2 = (MSC2 & ~0xffff) | 0x7ff4; /* SM501 */
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
 	pxa_set_i2c_info(NULL);
 	pxa27x_set_i2c_power_info(NULL);
 	pxa_set_mci_info(&csb726_mci);
diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c
index e2b427f..d4cc41d 100644
--- a/arch/arm/mach-pxa/devices.c
+++ b/arch/arm/mach-pxa/devices.c
@@ -167,13 +167,18 @@
 	}
 };
 
-struct platform_device pxa_device_ffuart= {
+struct platform_device pxa_device_ffuart = {
 	.name		= "pxa2xx-uart",
 	.id		= 0,
 	.resource	= pxa_resource_ffuart,
 	.num_resources	= ARRAY_SIZE(pxa_resource_ffuart),
 };
 
+void __init pxa_set_ffuart_info(void *info)
+{
+	pxa_register_device(&pxa_device_ffuart, info);
+}
+
 static struct resource pxa_resource_btuart[] = {
 	{
 		.start	= 0x40200000,
@@ -193,6 +198,11 @@
 	.num_resources	= ARRAY_SIZE(pxa_resource_btuart),
 };
 
+void __init pxa_set_btuart_info(void *info)
+{
+	pxa_register_device(&pxa_device_btuart, info);
+}
+
 static struct resource pxa_resource_stuart[] = {
 	{
 		.start	= 0x40700000,
@@ -212,6 +222,11 @@
 	.num_resources	= ARRAY_SIZE(pxa_resource_stuart),
 };
 
+void __init pxa_set_stuart_info(void *info)
+{
+	pxa_register_device(&pxa_device_stuart, info);
+}
+
 static struct resource pxa_resource_hwuart[] = {
 	{
 		.start	= 0x41600000,
@@ -231,6 +246,14 @@
 	.num_resources	= ARRAY_SIZE(pxa_resource_hwuart),
 };
 
+void __init pxa_set_hwuart_info(void *info)
+{
+	if (cpu_is_pxa255())
+		pxa_register_device(&pxa_device_hwuart, info);
+	else
+		pr_info("UART: Ignoring attempt to register HWUART on non-PXA255 hardware");
+}
+
 static struct resource pxai2c_resources[] = {
 	{
 		.start	= 0x40301680,
diff --git a/arch/arm/mach-pxa/e330.c b/arch/arm/mach-pxa/e330.c
index 74d3f89..8fde338 100644
--- a/arch/arm/mach-pxa/e330.c
+++ b/arch/arm/mach-pxa/e330.c
@@ -55,6 +55,9 @@
 
 static void __init e330_init(void)
 {
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
 	eseries_register_clks();
 	eseries_get_tmio_gpios();
 	platform_add_devices(devices, ARRAY_SIZE(devices));
diff --git a/arch/arm/mach-pxa/e350.c b/arch/arm/mach-pxa/e350.c
index 0800362..f50f055 100644
--- a/arch/arm/mach-pxa/e350.c
+++ b/arch/arm/mach-pxa/e350.c
@@ -56,6 +56,9 @@
 
 static void __init e350_init(void)
 {
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
 	eseries_register_clks();
 	eseries_get_tmio_gpios();
 	platform_add_devices(devices, ARRAY_SIZE(devices));
diff --git a/arch/arm/mach-pxa/e400.c b/arch/arm/mach-pxa/e400.c
index ed9c0c3..55b950f 100644
--- a/arch/arm/mach-pxa/e400.c
+++ b/arch/arm/mach-pxa/e400.c
@@ -130,6 +130,9 @@
 static void __init e400_init(void)
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(e400_pin_config));
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
 	/* Fixme - e400 may have a switched clock */
 	eseries_register_clks();
 	eseries_get_tmio_gpios();
diff --git a/arch/arm/mach-pxa/e740.c b/arch/arm/mach-pxa/e740.c
index 49acdfa..94b23a9 100644
--- a/arch/arm/mach-pxa/e740.c
+++ b/arch/arm/mach-pxa/e740.c
@@ -192,6 +192,9 @@
 static void __init e740_init(void)
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(e740_pin_config));
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
 	eseries_register_clks();
 	clk_add_alias("CLK_CK48M", e740_t7l66xb_device.name,
 			"UDCCLK", &pxa25x_device_udc.dev),
diff --git a/arch/arm/mach-pxa/e750.c b/arch/arm/mach-pxa/e750.c
index 4052ece..5eccbce 100644
--- a/arch/arm/mach-pxa/e750.c
+++ b/arch/arm/mach-pxa/e750.c
@@ -194,6 +194,9 @@
 static void __init e750_init(void)
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(e750_pin_config));
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
 	clk_add_alias("CLK_CK3P6MI", e750_tc6393xb_device.name,
 			"GPIO11_CLK", NULL),
 	eseries_get_tmio_gpios();
diff --git a/arch/arm/mach-pxa/e800.c b/arch/arm/mach-pxa/e800.c
index 9866c7b..aad129b 100644
--- a/arch/arm/mach-pxa/e800.c
+++ b/arch/arm/mach-pxa/e800.c
@@ -195,6 +195,9 @@
 
 static void __init e800_init(void)
 {
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
 	clk_add_alias("CLK_CK3P6MI", e800_tc6393xb_device.name,
 			"GPIO11_CLK", NULL),
 	eseries_get_tmio_gpios();
diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c
index aec7f42..e0b0fda 100644
--- a/arch/arm/mach-pxa/em-x270.c
+++ b/arch/arm/mach-pxa/em-x270.c
@@ -1286,6 +1286,10 @@
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(common_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 #ifdef CONFIG_PM
 	pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
 #endif
diff --git a/arch/arm/mach-pxa/ezx.c b/arch/arm/mach-pxa/ezx.c
index 588b265..48c1737 100644
--- a/arch/arm/mach-pxa/ezx.c
+++ b/arch/arm/mach-pxa/ezx.c
@@ -693,6 +693,10 @@
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(gen1_pin_config));
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(a780_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	pxa_set_i2c_info(NULL);
 
 	set_pxa_fb_info(&ezx_fb_info_1);
@@ -754,6 +758,10 @@
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(gen1_pin_config));
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(e680_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	pxa_set_i2c_info(NULL);
 	i2c_register_board_info(0, ARRAY_AND_SIZE(e680_i2c_board_info));
 
@@ -816,6 +824,10 @@
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(gen2_pin_config));
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(a1200_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	pxa_set_i2c_info(NULL);
 	i2c_register_board_info(0, ARRAY_AND_SIZE(a1200_i2c_board_info));
 
@@ -874,6 +886,10 @@
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(gen2_pin_config));
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(a910_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	pxa_set_i2c_info(NULL);
 
 	set_pxa_fb_info(&ezx_fb_info_2);
@@ -935,6 +951,10 @@
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(gen2_pin_config));
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(e6_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	pxa_set_i2c_info(NULL);
 	i2c_register_board_info(0, ARRAY_AND_SIZE(e6_i2c_board_info));
 
@@ -971,6 +991,10 @@
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(gen2_pin_config));
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(e2_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	pxa_set_i2c_info(NULL);
 	i2c_register_board_info(0, ARRAY_AND_SIZE(e2_i2c_board_info));
 
diff --git a/arch/arm/mach-pxa/generic.h b/arch/arm/mach-pxa/generic.h
index 485fede..890fb90 100644
--- a/arch/arm/mach-pxa/generic.h
+++ b/arch/arm/mach-pxa/generic.h
@@ -67,3 +67,8 @@
 extern struct sysdev_class pxa_gpio_sysclass;
 extern struct sysdev_class pxa2xx_mfp_sysclass;
 extern struct sysdev_class pxa3xx_mfp_sysclass;
+
+void __init pxa_set_ffuart_info(void *info);
+void __init pxa_set_btuart_info(void *info);
+void __init pxa_set_stuart_info(void *info);
+void __init pxa_set_hwuart_info(void *info);
diff --git a/arch/arm/mach-pxa/gumstix.c b/arch/arm/mach-pxa/gumstix.c
index 1708c01..96c3451 100644
--- a/arch/arm/mach-pxa/gumstix.c
+++ b/arch/arm/mach-pxa/gumstix.c
@@ -211,6 +211,11 @@
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(gumstix_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+	pxa_set_hwuart_info(NULL);
+
 	gumstix_bluetooth_init();
 	gumstix_udc_init();
 	gumstix_mmc_init();
diff --git a/arch/arm/mach-pxa/h5000.c b/arch/arm/mach-pxa/h5000.c
index f3d220c..c1cab08 100644
--- a/arch/arm/mach-pxa/h5000.c
+++ b/arch/arm/mach-pxa/h5000.c
@@ -193,6 +193,9 @@
 	fix_msc();
 
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(h5000_pin_config));
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
 	pxa_set_udc_info(&h5000_udc_mach_info);
 	platform_add_devices(ARRAY_AND_SIZE(devices));
 }
diff --git a/arch/arm/mach-pxa/himalaya.c b/arch/arm/mach-pxa/himalaya.c
index cea99fe..f9a2e4b 100644
--- a/arch/arm/mach-pxa/himalaya.c
+++ b/arch/arm/mach-pxa/himalaya.c
@@ -150,6 +150,9 @@
 
 static void __init himalaya_init(void)
 {
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
 	himalaya_lcd_init();
 	platform_add_devices(devices, ARRAY_SIZE(devices));
 }
diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c
index 83bd3c6..6b3c90e 100644
--- a/arch/arm/mach-pxa/hx4700.c
+++ b/arch/arm/mach-pxa/hx4700.c
@@ -849,6 +849,10 @@
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
 	hx4700_gpio_request(ARRAY_AND_SIZE(global_gpios));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	platform_add_devices(devices, ARRAY_SIZE(devices));
 
 	pxa_set_ficp_info(&ficp_info);
diff --git a/arch/arm/mach-pxa/idp.c b/arch/arm/mach-pxa/idp.c
index b6486ef..5c9e11d 100644
--- a/arch/arm/mach-pxa/idp.c
+++ b/arch/arm/mach-pxa/idp.c
@@ -179,6 +179,9 @@
 	printk("idp_init()\n");
 
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(idp_pin_config));
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
 
 	platform_device_register(&smc91x_device);
 	//platform_device_register(&mst_audio_device);
diff --git a/arch/arm/mach-pxa/imote2.c b/arch/arm/mach-pxa/imote2.c
index 2a4945d..5b0862d 100644
--- a/arch/arm/mach-pxa/imote2.c
+++ b/arch/arm/mach-pxa/imote2.c
@@ -554,8 +554,12 @@
 
 static void __init imote2_init(void)
 {
-
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(imote2_pin_config));
+
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	/* SPI chip select directions - all other directions should
 	 * be handled by drivers.*/
 	gpio_direction_output(37, 0);
diff --git a/arch/arm/mach-pxa/littleton.c b/arch/arm/mach-pxa/littleton.c
index ce5e617..f28c171 100644
--- a/arch/arm/mach-pxa/littleton.c
+++ b/arch/arm/mach-pxa/littleton.c
@@ -413,6 +413,10 @@
 	/* initialize MFP configurations */
 	pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	/*
 	 * Note: we depend bootloader set the correct
 	 * value to MSC register for SMC91x.
diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c
index d64395f..1373c22 100644
--- a/arch/arm/mach-pxa/lpd270.c
+++ b/arch/arm/mach-pxa/lpd270.c
@@ -455,6 +455,10 @@
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(lpd270_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	lpd270_flash_data[0].width = (BOOT_DEF & 1) ? 2 : 4;
 	lpd270_flash_data[1].width = 4;
 
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index c6a94d3..98ee7e5 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -518,6 +518,10 @@
 
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(lubbock_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL);
 	pxa_set_udc_info(&udc_info);
 	set_pxa_fb_info(&sharp_lm8v31);
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index 5360c07..8a38d60 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -742,6 +742,10 @@
 
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(magician_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	platform_add_devices(ARRAY_AND_SIZE(devices));
 
 	err = gpio_request(GPIO83_MAGICIAN_nIR_EN, "nIR_EN");
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index a4eeae3..851ee0f 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -576,6 +576,10 @@
 
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	mst_flash_data[0].width = (BOOT_DEF & 1) ? 2 : 4;
 	mst_flash_data[1].width = 4;
 
diff --git a/arch/arm/mach-pxa/mioa701.c b/arch/arm/mach-pxa/mioa701.c
index 3cab452..2466a44 100644
--- a/arch/arm/mach-pxa/mioa701.c
+++ b/arch/arm/mach-pxa/mioa701.c
@@ -798,6 +798,9 @@
 	UP2OCR = UP2OCR_HXOE;
 
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
 	mio_gpio_request(ARRAY_AND_SIZE(global_gpios));
 	bootstrap_init();
 	set_pxa_fb_info(&mioa701_pxafb_info);
diff --git a/arch/arm/mach-pxa/mp900.c b/arch/arm/mach-pxa/mp900.c
index a65713c..6d45039 100644
--- a/arch/arm/mach-pxa/mp900.c
+++ b/arch/arm/mach-pxa/mp900.c
@@ -84,6 +84,9 @@
 static void __init mp900c_init(void)
 {
 	printk(KERN_INFO "MobilePro 900/C machine init\n");
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
 	platform_add_devices(devices, ARRAY_SIZE(devices));
 }
 
diff --git a/arch/arm/mach-pxa/palmld.c b/arch/arm/mach-pxa/palmld.c
index 1ad029d..5914021 100644
--- a/arch/arm/mach-pxa/palmld.c
+++ b/arch/arm/mach-pxa/palmld.c
@@ -530,6 +530,10 @@
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	palmld_pm_init();
 	set_pxa_fb_info(&palmld_lcd_screen);
 	pxa_set_mci_info(&palmld_mci_platform_data);
diff --git a/arch/arm/mach-pxa/palmt5.c b/arch/arm/mach-pxa/palmt5.c
index 2dd7ce2..7f89ca2 100644
--- a/arch/arm/mach-pxa/palmt5.c
+++ b/arch/arm/mach-pxa/palmt5.c
@@ -419,6 +419,10 @@
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	palmt5_pm_init();
 	set_pxa_fb_info(&palmt5_lcd_screen);
 	pxa_set_mci_info(&palmt5_mci_platform_data);
diff --git a/arch/arm/mach-pxa/palmtc.c b/arch/arm/mach-pxa/palmtc.c
index 0b92291..3084175 100644
--- a/arch/arm/mach-pxa/palmtc.c
+++ b/arch/arm/mach-pxa/palmtc.c
@@ -416,6 +416,11 @@
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+	pxa_set_hwuart_info(NULL);
+
 	set_pxa_fb_info(&palmtc_lcd_screen);
 	pxa_set_mci_info(&palmtc_mci_platform_data);
 	pxa_set_udc_info(&palmtc_udc_info);
diff --git a/arch/arm/mach-pxa/palmte2.c b/arch/arm/mach-pxa/palmte2.c
index 277c406..265d62b 100644
--- a/arch/arm/mach-pxa/palmte2.c
+++ b/arch/arm/mach-pxa/palmte2.c
@@ -373,6 +373,10 @@
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmte2_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	set_pxa_fb_info(&palmte2_lcd_screen);
 	pxa_set_mci_info(&palmte2_mci_platform_data);
 	palmte2_udc_init();
diff --git a/arch/arm/mach-pxa/palmtreo.c b/arch/arm/mach-pxa/palmtreo.c
index c071b60e..606eb7e 100644
--- a/arch/arm/mach-pxa/palmtreo.c
+++ b/arch/arm/mach-pxa/palmtreo.c
@@ -653,6 +653,10 @@
 
 static void __init treo_init(void)
 {
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	treo_pm_init();
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(treo_pin_config));
 	treo_lcd_power_init();
diff --git a/arch/arm/mach-pxa/palmtx.c b/arch/arm/mach-pxa/palmtx.c
index 76a2b37..7bf18c2 100644
--- a/arch/arm/mach-pxa/palmtx.c
+++ b/arch/arm/mach-pxa/palmtx.c
@@ -570,6 +570,10 @@
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	palmtx_pm_init();
 	set_pxa_fb_info(&palmtx_lcd_screen);
 	pxa_set_mci_info(&palmtx_mci_platform_data);
diff --git a/arch/arm/mach-pxa/palmz72.c b/arch/arm/mach-pxa/palmz72.c
index c2bf493..d787ac7 100644
--- a/arch/arm/mach-pxa/palmz72.c
+++ b/arch/arm/mach-pxa/palmz72.c
@@ -491,6 +491,10 @@
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmz72_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	set_pxa_fb_info(&palmz72_lcd_screen);
 	pxa_set_mci_info(&palmz72_mci_platform_data);
 	palmz72_udc_init();
diff --git a/arch/arm/mach-pxa/pcm027.c b/arch/arm/mach-pxa/pcm027.c
index 6abfa29..2190af0 100644
--- a/arch/arm/mach-pxa/pcm027.c
+++ b/arch/arm/mach-pxa/pcm027.c
@@ -227,6 +227,10 @@
 
 	pxa2xx_mfp_config(pcm027_pin_config, ARRAY_SIZE(pcm027_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	platform_add_devices(devices, ARRAY_SIZE(devices));
 
 	/* at last call the baseboard to initialize itself */
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index a186994..e5eeb3a 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -449,6 +449,10 @@
 
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	platform_scoop_config = &poodle_pcmcia_config;
 
 	ret = platform_add_devices(devices, ARRAY_SIZE(devices));
diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index 77c2693..2c1b0b7 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/arch/arm/mach-pxa/pxa25x.c
@@ -322,9 +322,6 @@
 
 static struct platform_device *pxa25x_devices[] __initdata = {
 	&pxa25x_device_udc,
-	&pxa_device_ffuart,
-	&pxa_device_btuart,
-	&pxa_device_stuart,
 	&pxa_device_i2s,
 	&sa1100_device_rtc,
 	&pxa25x_device_ssp,
@@ -372,10 +369,8 @@
 	}
 
 	/* Only add HWUART for PXA255/26x; PXA210/250 do not have it. */
-	if (cpu_is_pxa255()) {
+	if (cpu_is_pxa255())
 		clks_register(&pxa25x_hwuart_clkreg, 1);
-		ret = platform_device_register(&pxa_device_hwuart);
-	}
 
 	return ret;
 }
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index ec68cc1..6a0b731 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -364,9 +364,6 @@
 
 static struct platform_device *devices[] __initdata = {
 	&pxa27x_device_udc,
-	&pxa_device_ffuart,
-	&pxa_device_btuart,
-	&pxa_device_stuart,
 	&pxa_device_i2s,
 	&sa1100_device_rtc,
 	&pxa_device_rtc,
diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c
index ca536f2..3198680 100644
--- a/arch/arm/mach-pxa/pxa3xx.c
+++ b/arch/arm/mach-pxa/pxa3xx.c
@@ -555,9 +555,6 @@
 
 static struct platform_device *devices[] __initdata = {
 	&pxa27x_device_udc,
-	&pxa_device_ffuart,
-	&pxa_device_btuart,
-	&pxa_device_stuart,
 	&pxa_device_i2s,
 	&sa1100_device_rtc,
 	&pxa_device_rtc,
diff --git a/arch/arm/mach-pxa/saar.c b/arch/arm/mach-pxa/saar.c
index 3cccb08..115b6f2 100644
--- a/arch/arm/mach-pxa/saar.c
+++ b/arch/arm/mach-pxa/saar.c
@@ -583,6 +583,10 @@
 	/* initialize MFP configurations */
 	pxa3xx_mfp_config(ARRAY_AND_SIZE(saar_mfp_cfg));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	platform_device_register(&smc91x_device);
 	saar_init_onenand();
 
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 3da45d0..bbd7a85 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -768,6 +768,10 @@
 
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	spitz_init_spi();
 
 	platform_add_devices(devices, ARRAY_SIZE(devices));
diff --git a/arch/arm/mach-pxa/stargate2.c b/arch/arm/mach-pxa/stargate2.c
index 3b205b6..a98a434 100644
--- a/arch/arm/mach-pxa/stargate2.c
+++ b/arch/arm/mach-pxa/stargate2.c
@@ -760,6 +760,10 @@
 
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(stargate2_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	/* spi chip selects */
 	gpio_direction_output(37, 0);
 	gpio_direction_output(24, 0);
diff --git a/arch/arm/mach-pxa/tavorevb.c b/arch/arm/mach-pxa/tavorevb.c
index b75353a..f02dcb5 100644
--- a/arch/arm/mach-pxa/tavorevb.c
+++ b/arch/arm/mach-pxa/tavorevb.c
@@ -477,6 +477,10 @@
 	/* initialize MFP configurations */
 	pxa3xx_mfp_config(ARRAY_AND_SIZE(tavorevb_mfp_cfg));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	platform_device_register(&smc91x_device);
 
 	tavorevb_init_lcd();
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index e81a526..c854c16 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -825,6 +825,11 @@
 	int dummy;
 
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(tosa_pin_config));
+
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	gpio_set_wake(MFP_PIN_GPIO1, 1);
 	/* We can't pass to gpio-keys since it will drop the Reset altfunc */
 
diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c
index 3981e03..0aa858e 100644
--- a/arch/arm/mach-pxa/trizeps4.c
+++ b/arch/arm/mach-pxa/trizeps4.c
@@ -524,6 +524,10 @@
 					ARRAY_SIZE(trizeps4_devices));
 	}
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	if (0)	/* dont know how to determine LCD */
 		set_pxa_fb_info(&sharp_lcd);
 	else
diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c
index d33c232..6c36bd9 100644
--- a/arch/arm/mach-pxa/viper.c
+++ b/arch/arm/mach-pxa/viper.c
@@ -908,6 +908,10 @@
 
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(viper_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	/* Wake-up serial console */
 	viper_init_serial_gpio();
 
diff --git a/arch/arm/mach-pxa/xcep.c b/arch/arm/mach-pxa/xcep.c
index 3fd79cb..d3b4e3f 100644
--- a/arch/arm/mach-pxa/xcep.c
+++ b/arch/arm/mach-pxa/xcep.c
@@ -165,6 +165,11 @@
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(xcep_pin_config));
 
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+	pxa_set_hwuart_info(NULL);
+
 	/* See Intel XScale Developer's Guide for details */
 	/* Set RDF and RDN to appropriate values (chip select 3 (smc91x)) */
 	MSC1 = (MSC1 & 0xffff) | 0xD5540000;
diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c
index 8fcb694..b66e9e2 100644
--- a/arch/arm/mach-pxa/zylonite.c
+++ b/arch/arm/mach-pxa/zylonite.c
@@ -444,6 +444,10 @@
 
 static void __init zylonite_init(void)
 {
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
 	/* board-processor specific initialization */
 	zylonite_pxa300_init();
 	zylonite_pxa320_init();