23 files changed, 497 insertions, 214 deletions
diff --git a/cpu/arm1136/config.mk b/cpu/arm1136/config.mk
index e39e774..6ab0dd3 100644
--- a/cpu/arm1136/config.mk
+++ b/cpu/arm1136/config.mk
@@ -31,4 +31,5 @@ PLATFORM_CPPFLAGS += -march=armv5
 #
 # =========================================================================
 PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
+PLATFORM_CPPFLAGS +=$(call cc-option,-mno-thumb-interwork,)
 PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/arm720t/serial.c b/cpu/arm720t/serial.c
index 15c54af..27eb73a 100644
--- a/cpu/arm720t/serial.c
+++ b/cpu/arm720t/serial.c
@@ -129,8 +129,6 @@ serial_puts (const char *s)
 
 void serial_setbrg (void)
 {
-	DECLARE_GLOBAL_DATA_PTR;
-
 	unsigned short divisor = 0;
 
 	switch (gd->baudrate) {
diff --git a/cpu/bf533/serial.c b/cpu/bf533/serial.c
index 6cab5da..8ac6e3f 100644
--- a/cpu/bf533/serial.c
+++ b/cpu/bf533/serial.c
@@ -76,7 +76,6 @@ void calc_baud(void)
 void serial_setbrg(void)
 {
 	int i;
-	DECLARE_GLOBAL_DATA_PTR;
 
 	calc_baud();
 
diff --git a/cpu/bf537/i2c.c b/cpu/bf537/i2c.c
index 3b0d026..0daba63 100644
--- a/cpu/bf537/i2c.c
+++ b/cpu/bf537/i2c.c
@@ -22,6 +22,8 @@
 #include <i2c.h>
 #include <asm/io.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 #define bfin_read16(addr) ({ unsigned __v; \
 			__asm__ __volatile__ (\
 			"%0 = w[%1] (z);\n\t"\
@@ -68,7 +70,6 @@
 
 #ifdef DEBUG_I2C
 #define PRINTD(fmt,args...)	do {	\
-	DECLARE_GLOBAL_DATA_PTR;	\
 	if (gd->have_console)		\
 		printf(fmt ,##args);	\
 	} while (0)
diff --git a/cpu/bf537/serial.c b/cpu/bf537/serial.c
index e04d08a..f7a2483 100644
--- a/cpu/bf537/serial.c
+++ b/cpu/bf537/serial.c
@@ -52,6 +52,8 @@
 #include <asm/io.h>
 #include "serial.h"
 
+DECLARE_GLOBAL_DATA_PTR;
+
 unsigned long pll_div_fact;
 
 void calc_baud(void)
@@ -74,7 +76,6 @@ void calc_baud(void)
 void serial_setbrg(void)
 {
 	int i;
-	DECLARE_GLOBAL_DATA_PTR;
 
 	calc_baud();
 
diff --git a/cpu/bf561/serial.c b/cpu/bf561/serial.c
index 7f5c695..bc5a4f5 100644
--- a/cpu/bf561/serial.c
+++ b/cpu/bf561/serial.c
@@ -52,6 +52,8 @@
 #include "serial.h"
 #include <asm/io.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 unsigned long pll_div_fact;
 
 void calc_baud(void)
@@ -74,7 +76,6 @@ void calc_baud(void)
 void serial_setbrg(void)
 {
 	int i;
-	DECLARE_GLOBAL_DATA_PTR;
 
 	calc_baud();
 
diff --git a/cpu/mcf532x/cpu.c b/cpu/mcf532x/cpu.c
index 520f5d6..2f62e95 100644
--- a/cpu/mcf532x/cpu.c
+++ b/cpu/mcf532x/cpu.c
@@ -31,6 +31,8 @@
 
 #include <asm/immap.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
 {
 	volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
@@ -48,8 +50,6 @@ int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
 
 int checkcpu(void)
 {
-	DECLARE_GLOBAL_DATA_PTR;
-
 	volatile ccm_t *ccm = (ccm_t *) MMAP_CCM;
 	u16 msk;
 	u16 id = 0;
diff --git a/cpu/mcf532x/speed.c b/cpu/mcf532x/speed.c
index cf72609..001b9f4 100644
--- a/cpu/mcf532x/speed.c
+++ b/cpu/mcf532x/speed.c
@@ -30,6 +30,8 @@
 
 #include <asm/immap.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 /* PLL min/max specifications */
 #define MAX_FVCO	500000	/* KHz */
 #define MAX_FSYS	80000	/* KHz */
@@ -208,8 +210,6 @@ int clock_pll(int fsys, int flags)
  */
 int get_clocks(void)
 {
-	DECLARE_GLOBAL_DATA_PTR;
-
 	gd->bus_clk = clock_pll(CFG_CLK / 1000, 0) * 1000;
 	gd->cpu_clk = (gd->bus_clk * 3);
 	return (0);
diff --git a/cpu/mpc512x/config.mk b/cpu/mpc512x/config.mk
index 8a07c5a..3259d53 100644
--- a/cpu/mpc512x/config.mk
+++ b/cpu/mpc512x/config.mk
@@ -19,7 +19,7 @@
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 # MA 02111-1307 USA
 #
-PLATFORM_RELFLAGS += -fPIC -ffixed-r14 -meabi
+PLATFORM_RELFLAGS += -fPIC -ffixed-r14 -meabi -mrelocatable
 
 PLATFORM_CPPFLAGS += -DCONFIG_MPC512X -DCONFIG_E300 \
 			-ffixed-r2 -ffixed-r29 -msoft-float -mcpu=603e
diff --git a/cpu/mpc512x/fec.c b/cpu/mpc512x/fec.c
index 3c142a9..675b7a2 100644
--- a/cpu/mpc512x/fec.c
+++ b/cpu/mpc512x/fec.c
@@ -32,6 +32,9 @@ int fec512x_miiphy_read(char *devname, uint8 phyAddr, uint8 regAddr, uint16 * re
 int fec512x_miiphy_write(char *devname, uint8 phyAddr, uint8 regAddr, uint16 data);
 int mpc512x_fec_init_phy(struct eth_device *dev, bd_t * bis);
 
+static uchar rx_buff[FEC_BUFFER_SIZE];
+static int rx_buff_idx = 0;
+
 /********************************************************************/
 #if (DEBUG & 0x2)
 static void mpc512x_fec_phydump (char *devname)
@@ -234,8 +237,8 @@ static int mpc512x_fec_init (struct eth_device *dev, bd_t * bis)
 	/* Set Opcode/Pause Duration Register */
 	fec->eth->op_pause = 0x00010020;
 
-	/* Frame length=1518; MII mode */
-	fec->eth->r_cntrl = 0x05ee000c;
+	/* Frame length=1522; MII mode */
+	fec->eth->r_cntrl = (FEC_MAX_FRAME_LEN << 16) | 0x24;
 
 	/* Half-duplex, heartbeat disabled */
 	fec->eth->x_cntrl = 0x00000000;
@@ -245,7 +248,7 @@ static int mpc512x_fec_init (struct eth_device *dev, bd_t * bis)
 
 	/* Setup recv fifo start and buff size */
 	fec->eth->r_fstart = 0x500;
-	fec->eth->r_buff_size = 0x5e0;
+	fec->eth->r_buff_size = FEC_BUFFER_SIZE;
 
 	/* Setup BD base addresses */
 	fec->eth->r_des_start = (uint32)fec->bdBase->rbd;
@@ -520,8 +523,7 @@ static int mpc512x_fec_recv (struct eth_device *dev)
 	mpc512x_fec_priv *fec = (mpc512x_fec_priv *)dev->priv;
 	volatile FEC_RBD *pRbd = &fec->bdBase->rbd[fec->rbdIndex];
 	unsigned long ievent;
-	int frame_length, len = 0;
-	uchar buff[FEC_MAX_PKT_SIZE];
+	int frame_length = 0;
 
 #if (DEBUG & 0x1)
 	printf ("mpc512x_fec_recv %d Start...\n", fec->rbdIndex);
@@ -555,31 +557,37 @@ static int mpc512x_fec_recv (struct eth_device *dev)
 	}
 
 	if (!(pRbd->status & FEC_RBD_EMPTY)) {
-		if ((pRbd->status & FEC_RBD_LAST) &&
-			!(pRbd->status & FEC_RBD_ERR) &&
+		if (!(pRbd->status & FEC_RBD_ERR) &&
 			((pRbd->dataLength - 4) > 14)) {
 
 			/*
 			 * Get buffer size
 			 */
-			frame_length = pRbd->dataLength - 4;
-
+			if (pRbd->status & FEC_RBD_LAST)
+				frame_length = pRbd->dataLength - 4;
+			else
+				frame_length = pRbd->dataLength;
 #if (DEBUG & 0x20)
 			{
 				int i;
-				printf ("recv data hdr:");
+				printf ("recv data length 0x%08x data hdr: ",
+					pRbd->dataLength);
 				for (i = 0; i < 14; i++)
 					printf ("%x ", *((uint8*)pRbd->dataPointer + i));
 				printf("\n");
 			}
 #endif
-
 			/*
 			 *  Fill the buffer and pass it to upper layers
 			 */
-			memcpy (buff, (void*)pRbd->dataPointer, frame_length);
-			NetReceive ((uchar*)buff, frame_length);
-			len = frame_length;
+			memcpy (&rx_buff[rx_buff_idx], (void*)pRbd->dataPointer,
+				frame_length - rx_buff_idx);
+			rx_buff_idx = frame_length;
+
+			if (pRbd->status & FEC_RBD_LAST) {
+				NetReceive ((uchar*)rx_buff, frame_length);
+				rx_buff_idx = 0;
+			}
 		}
 
 		/*
@@ -590,7 +598,7 @@ static int mpc512x_fec_recv (struct eth_device *dev)
 
 	/* Try to fill Buffer Descriptors */
 	fec->eth->r_des_active = 0x01000000;	/* Descriptor polling active */
-	return len;
+	return frame_length;
 }
 
 /********************************************************************/
diff --git a/cpu/mpc512x/fec.h b/cpu/mpc512x/fec.h
index d2d877a..9c38502 100644
--- a/cpu/mpc512x/fec.h
+++ b/cpu/mpc512x/fec.h
@@ -164,10 +164,13 @@ typedef enum {
 #define FEC_RBD_NUM		32	/* The user can adjust this value */
 
 /* packet size limit */
-#define FEC_MAX_PKT_SIZE	1536
+#define FEC_MAX_FRAME_LEN	1522	/* recommended default value */
+
+/* Buffer size must be evenly divisible by 16 */
+#define FEC_BUFFER_SIZE		((FEC_MAX_FRAME_LEN + 0x10) & (~0xf))
 
 typedef struct {
-	uint8 frame[FEC_MAX_PKT_SIZE];
+	uint8 frame[FEC_BUFFER_SIZE];
 } mpc512x_frame;
 
 typedef struct {
diff --git a/cpu/mpc5xxx/cpu.c b/cpu/mpc5xxx/cpu.c
index 1eac2bb..7f16b92 100644
--- a/cpu/mpc5xxx/cpu.c
+++ b/cpu/mpc5xxx/cpu.c
@@ -29,10 +29,12 @@
 #include <watchdog.h>
 #include <command.h>
 #include <mpc5xxx.h>
+#include <asm/io.h>
 #include <asm/processor.h>
 
-#if defined(CONFIG_OF_FLAT_TREE)
-#include <ft_build.h>
+#if defined(CONFIG_OF_LIBFDT)
+#include <libfdt.h>
+#include <libfdt_env.h>
 #endif
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -111,29 +113,43 @@ unsigned long get_tbclk (void)
 
 /* ------------------------------------------------------------------------- */
 
-#ifdef CONFIG_OF_FLAT_TREE
-void
-ft_cpu_setup(void *blob, bd_t *bd)
+#ifdef CONFIG_OF_LIBFDT
+static void do_fixup(void *fdt, const char *node, const char *prop,
+		     const void *val, int len, int create)
 {
-	u32 *p;
-	int len;
-
-	/* Core XLB bus frequency */
-	p = ft_get_prop(blob, "/cpus/" OF_CPU "/bus-frequency", &len);
-	if (p != NULL)
-		*p = cpu_to_be32(bd->bi_busfreq);
-
-	/* SOC peripherals use the IPB bus frequency */
-	p = ft_get_prop(blob, "/" OF_SOC "/bus-frequency", &len);
-	if (p != NULL)
-		*p = cpu_to_be32(bd->bi_ipbfreq);
-
-	p = ft_get_prop(blob, "/" OF_SOC "/ethernet@3000/mac-address", &len);
-	if (p != NULL)
-		memcpy(p, bd->bi_enetaddr, 6);
-
-	p = ft_get_prop(blob, "/" OF_SOC "/ethernet@3000/local-mac-address", &len);
-	if (p != NULL)
-		memcpy(p, bd->bi_enetaddr, 6);
+#if defined(DEBUG)
+	int i;
+	debug("Updating property '%s/%s' = ", node, prop);
+	for (i = 0; i < len; i++)
+		debug(" %.2x", *(u8*)(val+i));
+	debug("\n");
+#endif
+	int rc = fdt_find_and_setprop(fdt, node, prop, val, len, create);
+	if (rc)
+		printf("Unable to update property %s:%s, err=%s\n",
+		       node, prop, fdt_strerror(rc));
+}
+
+static void do_fixup_u32(void *fdt, const char *node, const char *prop,
+			 u32 val, int create)
+{
+	val = cpu_to_fdt32(val);
+	do_fixup(fdt, node, prop, &val, sizeof(val), create);
+}
+
+void ft_cpu_setup(void *blob, bd_t *bd)
+{
+	int div = in_8((void*)CFG_MBAR + 0x204) & 0x0020 ? 8 : 4;
+	char * cpu_path = "/cpus/" OF_CPU;
+	char * eth_path = "/" OF_SOC "/ethernet@3000";
+
+	do_fixup_u32(blob, cpu_path, "timebase-frequency", OF_TBCLK, 1);
+	do_fixup_u32(blob, cpu_path, "bus-frequency", bd->bi_busfreq, 1);
+	do_fixup_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1);
+	do_fixup_u32(blob, "/" OF_SOC, "bus-frequency", bd->bi_ipbfreq, 1);
+	do_fixup_u32(blob, "/" OF_SOC, "system-frequency",
+			bd->bi_busfreq*div, 1);
+	do_fixup(blob, eth_path, "mac-address", bd->bi_enetaddr, 6, 0);
+	do_fixup(blob, eth_path, "local-mac-address", bd->bi_enetaddr, 6, 0);
 }
 #endif
diff --git a/cpu/mpc5xxx/ide.c b/cpu/mpc5xxx/ide.c
index 087ddac..df5b4ac 100644
--- a/cpu/mpc5xxx/ide.c
+++ b/cpu/mpc5xxx/ide.c
@@ -54,11 +54,19 @@ int ide_preinit (void)
 	/* All sample codes do that... */
 	*(vu_long *) MPC5XXX_ATA_SHARE_COUNT = 0;
 
+#if defined(CONFIG_UC101)
+	/* Configure and reset host */
+	*(vu_long *) MPC5XXX_ATA_HOST_CONFIG =
+		MPC5xxx_ATA_HOSTCONF_SMR | MPC5xxx_ATA_HOSTCONF_FR;
+	udelay (10);
+	*(vu_long *) MPC5XXX_ATA_HOST_CONFIG = 0;
+#else
 	/* Configure and reset host */
 	*(vu_long *) MPC5XXX_ATA_HOST_CONFIG = MPC5xxx_ATA_HOSTCONF_IORDY |
 		MPC5xxx_ATA_HOSTCONF_SMR | MPC5xxx_ATA_HOSTCONF_FR;
 	udelay (10);
 	*(vu_long *) MPC5XXX_ATA_HOST_CONFIG = MPC5xxx_ATA_HOSTCONF_IORDY;
+#endif
 
 	/* Disable prefetch on Commbus */
 	psdma->PtdCntrl |= 1;
diff --git a/cpu/mpc5xxx/usb.c b/cpu/mpc5xxx/usb.c
index ce709fc..ed467ab 100644
--- a/cpu/mpc5xxx/usb.c
+++ b/cpu/mpc5xxx/usb.c
@@ -27,7 +27,7 @@
 
 #include <mpc5xxx.h>
 
-int usb_cpu_init()
+int usb_cpu_init(void)
 {
 	/* Set the USB Clock						     */
 	*(vu_long *)MPC5XXX_CDM_48_FDC = CONFIG_USB_CLOCK;
@@ -41,12 +41,12 @@ int usb_cpu_init()
 	return 0;
 }
 
-int usb_cpu_stop()
+int usb_cpu_stop(void)
 {
 	return 0;
 }
 
-int usb_cpu_init_fail()
+int usb_cpu_init_fail(void)
 {
 	return 0;
 }
diff --git a/cpu/mpc85xx/cpu_init.c b/cpu/mpc85xx/cpu_init.c
index 7b99610..79ad20c 100644
--- a/cpu/mpc85xx/cpu_init.c
+++ b/cpu/mpc85xx/cpu_init.c
@@ -247,7 +247,7 @@ int cpu_init_r(void)
 	switch (cache_ctl & 0x30000000) {
 	case 0x20000000:
 		if (ver == SVR_8548 || ver == SVR_8548_E ||
-		    ver == SVR_8544) {
+		    ver == SVR_8544 || ver == SVR_8568_E) {
 			printf ("L2 cache 512KB:");
 			/* set L2E=1, L2I=1, & L2SRAM=0 */
 			cache_ctl = 0xc0000000;
diff --git a/cpu/mpc86xx/cpu_init.c b/cpu/mpc86xx/cpu_init.c
index c8e4666..4f8956e 100644
--- a/cpu/mpc86xx/cpu_init.c
+++ b/cpu/mpc86xx/cpu_init.c
@@ -29,6 +29,8 @@
 #include <common.h>
 #include <mpc86xx.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 /*
  * Breathe some life into the CPU...
  *
@@ -38,7 +40,6 @@
 
 void cpu_init_f(void)
 {
-	DECLARE_GLOBAL_DATA_PTR;
 	volatile immap_t    *immap = (immap_t *)CFG_IMMR;
 	volatile ccsr_lbc_t *memctl = &immap->im_lbc;
 
diff --git a/cpu/mpc86xx/speed.c b/cpu/mpc86xx/speed.c
index 312ca12..23161ca 100644
--- a/cpu/mpc86xx/speed.c
+++ b/cpu/mpc86xx/speed.c
@@ -29,6 +29,7 @@
 #include <mpc86xx.h>
 #include <asm/processor.h>
 
+DECLARE_GLOBAL_DATA_PTR;
 
 void get_sys_info(sys_info_t *sysInfo)
 {
@@ -96,7 +97,6 @@ void get_sys_info(sys_info_t *sysInfo)
 
 int get_clocks(void)
 {
-	DECLARE_GLOBAL_DATA_PTR;
 	sys_info_t sys_info;
 
 	get_sys_info(&sys_info);
diff --git a/cpu/mpc86xx/traps.c b/cpu/mpc86xx/traps.c
index c84bfbf..04c2e13 100644
--- a/cpu/mpc86xx/traps.c
+++ b/cpu/mpc86xx/traps.c
@@ -34,6 +34,8 @@
 #include <command.h>
 #include <asm/processor.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 #if defined(CONFIG_CMD_KGDB)
 int (*debugger_exception_handler)(struct pt_regs *) = 0;
 #endif
@@ -50,8 +52,6 @@ extern unsigned long search_exception_table(unsigned long);
 void
 print_backtrace(unsigned long *sp)
 {
-	DECLARE_GLOBAL_DATA_PTR;
-
 	int cnt = 0;
 	unsigned long i;
 
diff --git a/cpu/ppc4xx/405gp_pci.c b/cpu/ppc4xx/405gp_pci.c
index 2837929..282e7a1 100644
--- a/cpu/ppc4xx/405gp_pci.c
+++ b/cpu/ppc4xx/405gp_pci.c
@@ -443,7 +443,7 @@ void pci_init_board(void)
 static struct pci_controller ppc440_hose = {0};
 
 
-void pci_440_init (struct pci_controller *hose)
+int pci_440_init (struct pci_controller *hose)
 {
 	int reg_num = 0;
 
@@ -459,7 +459,7 @@ void pci_440_init (struct pci_controller *hose)
 	if ((strap & SDR0_SDSTP1_PISE_MASK) == 0) {
 		printf("PCI: SDR0_STRP1[PISE] not set.\n");
 		printf("PCI: Configuration aborted.\n");
-		return;
+		return -1;
 	}
 #elif defined(CONFIG_440GP)
 	unsigned long strap;
@@ -468,7 +468,7 @@ void pci_440_init (struct pci_controller *hose)
 	if ((strap & CPC0_STRP1_PISE_MASK) == 0) {
 		printf("PCI: CPC0_STRP1[PISE] not set.\n");
 		printf("PCI: Configuration aborted.\n");
-		return;
+		return -1;
 	}
 #endif
 #endif /* CONFIG_DISABLE_PISE_TEST */
@@ -477,7 +477,7 @@ void pci_440_init (struct pci_controller *hose)
 	 * PCI controller init
 	 *--------------------------------------------------------------------------*/
 	hose->first_busno = 0;
-	hose->last_busno = 0xff;
+	hose->last_busno = 0;
 
 	/* PCI I/O space */
 	pci_set_region(hose->regions + reg_num++,
@@ -515,7 +515,7 @@ void pci_440_init (struct pci_controller *hose)
 	if (pci_pre_init (hose) == 0) {
 		printf("PCI: Board-specific initialization failed.\n");
 		printf("PCI: Configuration aborted.\n");
-		return;
+		return -1;
 	}
 
 	pci_register_hose( hose );
@@ -578,13 +578,16 @@ void pci_440_init (struct pci_controller *hose)
 #endif
 		hose->last_busno = pci_hose_scan(hose);
 	}
+	return hose->last_busno;
 }
 
 void pci_init_board(void)
 {
-	pci_440_init (&ppc440_hose);
+	int busno;
+
+	busno = pci_440_init (&ppc440_hose);
 #if defined(CONFIG_440SPE)
-	pcie_setup_hoses();
+	pcie_setup_hoses(busno + 1);
 #endif
 }
 
diff --git a/cpu/ppc4xx/440spe_pcie.c b/cpu/ppc4xx/440spe_pcie.c
index bf68cc1..158f1c5 100644
--- a/cpu/ppc4xx/440spe_pcie.c
+++ b/cpu/ppc4xx/440spe_pcie.c
@@ -40,73 +40,126 @@ enum {
 	LNKW_X8			= 0x8
 };
 
-static inline int pcie_in_8(const volatile unsigned char __iomem *addr)
+static u8* pcie_get_base(struct pci_controller *hose, unsigned int devfn)
 {
-	int ret;
-
-	PCIE_IN(lbzx, ret, addr);
+	u8 *base = (u8*)hose->cfg_data;
+
+	/* use local configuration space for the first bus */
+	if (PCI_BUS(devfn) == 0) {
+		if (hose->cfg_data == (u8*)CFG_PCIE0_CFGBASE)
+			base = (u8*)CFG_PCIE0_XCFGBASE;
+		if (hose->cfg_data == (u8*)CFG_PCIE1_CFGBASE)
+			base = (u8*)CFG_PCIE1_XCFGBASE;
+		if (hose->cfg_data == (u8*)CFG_PCIE2_CFGBASE)
+			base = (u8*)CFG_PCIE2_XCFGBASE;
+	}
 
-	return ret;
+	return base;
 }
 
-static inline int pcie_in_le16(const volatile unsigned short __iomem *addr)
+static void pcie_dmer_disable(void)
 {
-	int ret;
-
-	PCIE_IN(lhbrx, ret, addr)
-
-	return ret;
+	mtdcr (DCRN_PEGPL_CFG(DCRN_PCIE0_BASE),
+		mfdcr (DCRN_PEGPL_CFG(DCRN_PCIE0_BASE)) | GPL_DMER_MASK_DISA);
+	mtdcr (DCRN_PEGPL_CFG(DCRN_PCIE1_BASE),
+		mfdcr (DCRN_PEGPL_CFG(DCRN_PCIE1_BASE)) | GPL_DMER_MASK_DISA);
+	mtdcr (DCRN_PEGPL_CFG(DCRN_PCIE2_BASE),
+		mfdcr (DCRN_PEGPL_CFG(DCRN_PCIE2_BASE)) | GPL_DMER_MASK_DISA);
 }
 
-static inline unsigned pcie_in_le32(const volatile unsigned __iomem *addr)
+static void pcie_dmer_enable(void)
 {
-	unsigned ret;
-
-	PCIE_IN(lwbrx, ret, addr);
-
-	return ret;
+	mtdcr (DCRN_PEGPL_CFG (DCRN_PCIE0_BASE),
+		mfdcr (DCRN_PEGPL_CFG(DCRN_PCIE0_BASE)) & ~GPL_DMER_MASK_DISA);
+	mtdcr (DCRN_PEGPL_CFG (DCRN_PCIE1_BASE),
+		mfdcr (DCRN_PEGPL_CFG(DCRN_PCIE1_BASE)) & ~GPL_DMER_MASK_DISA);
+	mtdcr (DCRN_PEGPL_CFG (DCRN_PCIE2_BASE),
+		mfdcr (DCRN_PEGPL_CFG(DCRN_PCIE2_BASE)) & ~GPL_DMER_MASK_DISA);
 }
 
-
 static int pcie_read_config(struct pci_controller *hose, unsigned int devfn,
 	int offset, int len, u32 *val) {
 
+	u8 *address;
 	*val = 0;
+
+	/*
+	 * Bus numbers are relative to hose->first_busno
+	 */
+	devfn -= PCI_BDF(hose->first_busno, 0, 0);
+
 	/*
-	 * 440SPE implements only one function per port
+	 * NOTICE: configuration space ranges are currenlty mapped only for
+	 * the first 16 buses, so such limit must be imposed. In case more
+	 * buses are required the TLB settings in board/amcc/<board>/init.S
+	 * need to be altered accordingly (one bus takes 1 MB of memory space).
 	 */
-	if (!((PCI_FUNC(devfn) == 0) && (PCI_DEV(devfn) == 1)))
+	if (PCI_BUS(devfn) >= 16)
 		return 0;
 
-	devfn = PCI_BDF(0,0,0);
+	/*
+	 * Only single device/single function is supported for the primary and
+	 * secondary buses of the 440SPe host bridge.
+	 */
+	if ((!((PCI_FUNC(devfn) == 0) && (PCI_DEV(devfn) == 0))) &&
+		((PCI_BUS(devfn) == 0) || (PCI_BUS(devfn) == 1)))
+		return 0;
+		
+	address = pcie_get_base(hose, devfn);
 	offset += devfn << 4;
 
+	/*
+	 * Reading from configuration space of non-existing device can
+	 * generate transaction errors. For the read duration we suppress
+	 * assertion of machine check exceptions to avoid those.
+	 */
+	pcie_dmer_disable ();
+
 	switch (len) {
 	case 1:
-		*val = pcie_in_8(hose->cfg_data + offset);
+		*val = in_8(hose->cfg_data + offset);
 		break;
 	case 2:
-		*val = pcie_in_le16((u16 *)(hose->cfg_data + offset));
+		*val = in_le16((u16 *)(hose->cfg_data + offset));
 		break;
 	default:
-		*val = pcie_in_le32((u32*)(hose->cfg_data + offset));
+		*val = in_le32((u32*)(hose->cfg_data + offset));
 		break;
 	}
+
+	pcie_dmer_enable ();
+
 	return 0;
 }
 
 static int pcie_write_config(struct pci_controller *hose, unsigned int devfn,
 	int offset, int len, u32 val) {
 
+	u8 *address;
+	
+	/*
+	 * Bus numbers are relative to hose->first_busno
+	 */
+	devfn -= PCI_BDF(hose->first_busno, 0, 0);
+	
 	/*
-	 * 440SPE implements only one function per port
+	 * Same constraints as in pcie_read_config().
 	 */
-	if (!((PCI_FUNC(devfn) == 0) && (PCI_DEV(devfn) == 1)))
+	if (PCI_BUS(devfn) >= 16)
 		return 0;
 
-	devfn = PCI_BDF(0,0,0);
+	if ((!((PCI_FUNC(devfn) == 0) && (PCI_DEV(devfn) == 0))) &&
+		((PCI_BUS(devfn) == 0) || (PCI_BUS(devfn) == 1)))
+		return 0;
+	
+	address = pcie_get_base(hose, devfn);
 	offset += devfn << 4;
 
+	/*
+	 * Suppress MCK exceptions, similar to pcie_read_config()
+	 */
+	pcie_dmer_disable ();
+
 	switch (len) {
 	case 1:
 		out_8(hose->cfg_data + offset, val);
@@ -118,6 +171,9 @@ static int pcie_write_config(struct pci_controller *hose, unsigned int devfn,
 		out_le32((u32 *)(hose->cfg_data + offset), val);
 		break;
 	}
+
+	pcie_dmer_enable ();
+
 	return 0;
 }
 
@@ -126,7 +182,7 @@ int pcie_read_config_byte(struct pci_controller *hose,pci_dev_t dev,int offset,u
 	u32 v;
 	int rv;
 
-	rv =  pcie_read_config(hose, dev, offset, 1, &v);
+	rv = pcie_read_config(hose, dev, offset, 1, &v);
 	*val = (u8)v;
 	return rv;
 }
@@ -783,12 +839,12 @@ void ppc440spe_setup_pcie_rootpoint(struct pci_controller *hose, int port)
 	volatile void *rmbase = NULL;
 
 	pci_set_ops(hose,
-		    pcie_read_config_byte,
-		    pcie_read_config_word,
-		    pcie_read_config_dword,
-		    pcie_write_config_byte,
-		    pcie_write_config_word,
-		    pcie_write_config_dword);
+		pcie_read_config_byte,
+		pcie_read_config_word,
+		pcie_read_config_dword,
+		pcie_write_config_byte,
+		pcie_write_config_word,
+		pcie_write_config_dword);
 
 	switch (port) {
 	case 0:
@@ -811,14 +867,9 @@ void ppc440spe_setup_pcie_rootpoint(struct pci_controller *hose, int port)
 	/*
 	 * Set bus numbers on our root port
 	 */
-	if (ppc440spe_revB()) {
-		out_8((u8 *)mbase + PCI_PRIMARY_BUS, 0);
-		out_8((u8 *)mbase + PCI_SECONDARY_BUS, 1);
-		out_8((u8 *)mbase + PCI_SUBORDINATE_BUS, 1);
-	} else {
-		out_8((u8 *)mbase + PCI_PRIMARY_BUS, 0);
-		out_8((u8 *)mbase + PCI_SECONDARY_BUS, 0);
-	}
+	out_8((u8 *)mbase + PCI_PRIMARY_BUS, 0);
+	out_8((u8 *)mbase + PCI_SECONDARY_BUS, 1);
+	out_8((u8 *)mbase + PCI_SUBORDINATE_BUS, 1);
 
 	/*
 	 * Set up outbound translation to hose->mem_space from PLB
@@ -875,6 +926,29 @@ void ppc440spe_setup_pcie_rootpoint(struct pci_controller *hose, int port)
 		 in_le16((u16 *)(mbase + PCI_COMMAND)) |
 		 PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
 	printf("PCIE:%d successfully set as rootpoint\n",port);
+	
+	/* Set Device and Vendor Id */
+	switch (port) {
+	case 0:
+		out_le16(mbase + 0x200, 0xaaa0);
+		out_le16(mbase + 0x202, 0xbed0);
+		break;
+	case 1:
+		out_le16(mbase + 0x200, 0xaaa1);
+		out_le16(mbase + 0x202, 0xbed1);
+		break;
+	case 2:
+		out_le16(mbase + 0x200, 0xaaa2);
+		out_le16(mbase + 0x202, 0xbed2);
+		break;
+	default:
+		out_le16(mbase + 0x200, 0xaaa3);
+		out_le16(mbase + 0x202, 0xbed3);
+	}
+
+	/* Set Class Code to PCI-PCI bridge and Revision Id to 1 */
+	out_le32(mbase + 0x208, 0x06040001);
+
 }
 
 int ppc440spe_setup_pcie_endpoint(struct pci_controller *hose, int port)
@@ -952,8 +1026,8 @@ int ppc440spe_setup_pcie_endpoint(struct pci_controller *hose, int port)
 
 	/* Enable I/O, Mem, and Busmaster cycles */
 	out_le16((u16 *)(mbase + PCI_COMMAND),
-		 in_le16((u16 *)(mbase + PCI_COMMAND)) |
-		 PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
+		in_le16((u16 *)(mbase + PCI_COMMAND)) |
+		PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
 	out_le16(mbase + 0x200,0xcaad);			/* Setting vendor ID */
 	out_le16(mbase + 0x202,0xfeed);			/* Setting device ID */
 	attempts = 10;
diff --git a/cpu/ppc4xx/440spe_pcie.h b/cpu/ppc4xx/440spe_pcie.h
index eb7cecf..38745eb 100644
--- a/cpu/ppc4xx/440spe_pcie.h
+++ b/cpu/ppc4xx/440spe_pcie.h
@@ -38,6 +38,7 @@
 #define DCRN_PEGPL_REGBAL(base)		(base + 0x13)
 #define DCRN_PEGPL_REGMSK(base)		(base + 0x14)
 #define DCRN_PEGPL_SPECIAL(base)	(base + 0x15)
+#define DCRN_PEGPL_CFG(base)		(base + 0x16)
 
 /*
  * System DCRs (SDRs)
@@ -161,20 +162,7 @@
 	mtdcr(DCRN_SDR0_CFGADDR, offset); \
 	mtdcr(DCRN_SDR0_CFGDATA,data);})
 
-#define PCIE_IN(opcode, ret, addr) \
-	__asm__ __volatile__(			\
-		"sync\n"			\
-		#opcode " %0,0,%1\n"		\
-		"1: twi 0,%0,0\n"		\
-		"isync\n"			\
-		"b 3f\n"			\
-		"2: li %0,-1\n"			\
-		"3:\n"				\
-		".section __ex_table,\"a\"\n"	\
-		".balign 4\n"			\
-		".long 1b,2b\n"			\
-		".previous\n"			\
-		: "=r" (ret) : "r" (addr), "m" (*addr));
+#define GPL_DMER_MASK_DISA	0x02000000
 
 int ppc440spe_init_pcie(void);
 int ppc440spe_init_pcie_rootport(int port);
diff --git a/cpu/ppc4xx/traps.c b/cpu/ppc4xx/traps.c
index f5365cb..38b6f89 100644
--- a/cpu/ppc4xx/traps.c
+++ b/cpu/ppc4xx/traps.c
@@ -151,12 +151,6 @@ MachineCheckException(struct pt_regs *regs)
 	int uncorr_ecc = 0;
 #endif
 
-	/* Probing PCI(E) using config cycles may cause this exception
-	 * when a device is not present. To gracefully recover in such
-	 * scenarios config read/write routines need to be instrumented in
-	 * order to return via fixup handler. For examples refer to
-	 * pcie_in_8(), pcie_in_le16() and pcie_in_le32()
-	 */
 	if ((fixup = search_exception_table(regs->nip)) != 0) {
 		regs->nip = fixup;
 		val = mfspr(MCSR);
diff --git a/cpu/pxa/serial.c b/cpu/pxa/serial.c
index cb3a478..51e7f65 100644
--- a/cpu/pxa/serial.c
+++ b/cpu/pxa/serial.c
@@ -30,11 +30,28 @@
 
 #include <common.h>
 #include <watchdog.h>
+#include <serial.h>
 #include <asm/arch/pxa-regs.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-void serial_setbrg (void)
+#define FFUART	0
+#define BTUART	1
+#define STUART	2
+
+#ifndef CONFIG_SERIAL_MULTI
+#if defined (CONFIG_FFUART)
+#define UART_INDEX	FFUART
+#elif defined (CONFIG_BTUART)
+#define UART_INDEX	BTUART
+#elif defined (CONFIG_STUART)
+#define UART_INDEX	STUART
+#else
+#error "Bad: you didn't configure serial ..."
+#endif
+#endif
+
+void pxa_setbrg_dev (unsigned int uart_index)
 {
 	unsigned int quot = 0;
 
@@ -53,63 +70,68 @@ void serial_setbrg (void)
 	else
 		hang ();
 
-#ifdef CONFIG_FFUART
+	switch (uart_index) {
+		case FFUART:
 #ifdef CONFIG_CPU_MONAHANS
-	CKENA |= CKENA_22_FFUART;
+			CKENA |= CKENA_22_FFUART;
 #else
-	CKEN |= CKEN6_FFUART;
+			CKEN |= CKEN6_FFUART;
 #endif /* CONFIG_CPU_MONAHANS */
 
-	FFIER = 0;					/* Disable for now */
-	FFFCR = 0;					/* No fifos enabled */
+			FFIER = 0;	/* Disable for now */
+			FFFCR = 0;	/* No fifos enabled */
 
-	/* set baud rate */
-	FFLCR = LCR_WLS0 | LCR_WLS1 | LCR_DLAB;
-	FFDLL = quot & 0xff;
-	FFDLH = quot >> 8;
-	FFLCR = LCR_WLS0 | LCR_WLS1;
+			/* set baud rate */
+			FFLCR = LCR_WLS0 | LCR_WLS1 | LCR_DLAB;
+			FFDLL = quot & 0xff;
+			FFDLH = quot >> 8;
+			FFLCR = LCR_WLS0 | LCR_WLS1;
 
-	FFIER = IER_UUE;			/* Enable FFUART */
+			FFIER = IER_UUE;	/* Enable FFUART */
+		break;
 
-#elif defined(CONFIG_BTUART)
+		case BTUART:
 #ifdef CONFIG_CPU_MONAHANS
-	CKENA |= CKENA_21_BTUART;
+			CKENA |= CKENA_21_BTUART;
 #else
-	CKEN |= CKEN7_BTUART;
+			CKEN |= CKEN7_BTUART;
 #endif /*  CONFIG_CPU_MONAHANS */
 
-	BTIER = 0;
-	BTFCR = 0;
+			BTIER = 0;
+			BTFCR = 0;
 
-	/* set baud rate */
-	BTLCR = LCR_DLAB;
-	BTDLL = quot & 0xff;
-	BTDLH = quot >> 8;
-	BTLCR = LCR_WLS0 | LCR_WLS1;
+			/* set baud rate */
+			BTLCR = LCR_DLAB;
+			BTDLL = quot & 0xff;
+			BTDLH = quot >> 8;
+			BTLCR = LCR_WLS0 | LCR_WLS1;
 
-	BTIER = IER_UUE;			/* Enable BFUART */
+			BTIER = IER_UUE;	/* Enable BFUART */
 
-#elif defined(CONFIG_STUART)
+		break;
+
+		case STUART:
 #ifdef CONFIG_CPU_MONAHANS
-	CKENA |= CKENA_23_STUART;
+			CKENA |= CKENA_23_STUART;
 #else
-	CKEN |= CKEN5_STUART;
+			CKEN |= CKEN5_STUART;
 #endif /* CONFIG_CPU_MONAHANS */
 
-	STIER = 0;
-	STFCR = 0;
+			STIER = 0;
+			STFCR = 0;
 
-	/* set baud rate */
-	STLCR = LCR_DLAB;
-	STDLL = quot & 0xff;
-	STDLH = quot >> 8;
-	STLCR = LCR_WLS0 | LCR_WLS1;
+			/* set baud rate */
+			STLCR = LCR_DLAB;
+			STDLL = quot & 0xff;
+			STDLH = quot >> 8;
+			STLCR = LCR_WLS0 | LCR_WLS1;
 
-	STIER = IER_UUE;			/* Enable STUART */
+			STIER = IER_UUE;			/* Enable STUART */
+			break;
 
-#else
-#error "Bad: you didn't configure serial ..."
-#endif
+		default:
+			hang();
+	}
 }
 
 
@@ -118,9 +140,9 @@ void serial_setbrg (void)
  * are always 8 data bits, no parity, 1 stop bit, no start bits.
  *
  */
-int serial_init (void)
+int pxa_init_dev (unsigned int uart_index)
 {
-	serial_setbrg ();
+	pxa_setbrg_dev (uart_index);
 
 	return (0);
 }
@@ -129,26 +151,32 @@ int serial_init (void)
 /*
  * Output a single byte to the serial port.
  */
-void serial_putc (const char c)
-{
-#ifdef CONFIG_FFUART
-	/* wait for room in the tx FIFO on FFUART */
-	while ((FFLSR & LSR_TEMT) == 0)
-		WATCHDOG_RESET ();	/* Reset HW Watchdog, if needed */
-	FFTHR = c;
-#elif defined(CONFIG_BTUART)
-	while ((BTLSR & LSR_TEMT ) == 0 )
-		WATCHDOG_RESET ();	/* Reset HW Watchdog, if needed */
-	BTTHR = c;
-#elif defined(CONFIG_STUART)
-	while ((STLSR & LSR_TEMT ) == 0 )
-		WATCHDOG_RESET ();	/* Reset HW Watchdog, if needed */
-	STTHR = c;
-#endif
+void pxa_putc_dev (unsigned int uart_index,const char c)
+{
+	switch (uart_index) {
+		case FFUART:
+		/* wait for room in the tx FIFO on FFUART */
+			while ((FFLSR & LSR_TEMT) == 0)
+				WATCHDOG_RESET ();	/* Reset HW Watchdog, if needed */
+			FFTHR = c;
+			break;
+
+		case BTUART:
+			while ((BTLSR & LSR_TEMT ) == 0 )
+				WATCHDOG_RESET ();	/* Reset HW Watchdog, if needed */
+			BTTHR = c;
+			break;
+
+		case STUART:
+			while ((STLSR & LSR_TEMT ) == 0 )
+				WATCHDOG_RESET ();	/* Reset HW Watchdog, if needed */
+			STTHR = c;
+			break;
+	}
 
 	/* If \n, also do \r */
 	if (c == '\n')
-		serial_putc ('\r');
+		pxa_putc_dev (uart_index,'\r');
 }
 
 /*
@@ -156,15 +184,17 @@ void serial_putc (const char c)
  * otherwise. When the function is succesfull, the character read is
  * written into its argument c.
  */
-int serial_tstc (void)
-{
-#ifdef CONFIG_FFUART
-	return FFLSR & LSR_DR;
-#elif defined(CONFIG_BTUART)
-	return BTLSR & LSR_DR;
-#elif defined(CONFIG_STUART)
-	return STLSR & LSR_DR;
-#endif
+int pxa_tstc_dev (unsigned int uart_index)
+{
+	switch (uart_index) {
+		case FFUART:
+			return FFLSR & LSR_DR;
+		case BTUART:
+			return BTLSR & LSR_DR;
+		case STUART:
+			return STLSR & LSR_DR;
+	}
+	return -1;
 }
 
 /*
@@ -172,27 +202,184 @@ int serial_tstc (void)
  * otherwise. When the function is succesfull, the character read is
  * written into its argument c.
  */
-int serial_getc (void)
-{
-#ifdef CONFIG_FFUART
-	while (!(FFLSR & LSR_DR))
-		WATCHDOG_RESET ();	/* Reset HW Watchdog, if needed */
-	return (char) FFRBR & 0xff;
-#elif defined(CONFIG_BTUART)
-	while (!(BTLSR & LSR_DR))
-		WATCHDOG_RESET ();	/* Reset HW Watchdog, if needed */
-	return (char) BTRBR & 0xff;
-#elif defined(CONFIG_STUART)
-	while (!(STLSR & LSR_DR))
-		WATCHDOG_RESET ();	/* Reset HW Watchdog, if needed */
-	return (char) STRBR & 0xff;
-#endif
+int pxa_getc_dev (unsigned int uart_index)
+{
+	switch (uart_index) {
+		case FFUART:
+			while (!(FFLSR & LSR_DR))
+			WATCHDOG_RESET ();	/* Reset HW Watchdog, if needed */
+			return (char) FFRBR & 0xff;
+
+		case BTUART:
+			while (!(BTLSR & LSR_DR))
+			WATCHDOG_RESET ();	/* Reset HW Watchdog, if needed */
+			return (char) BTRBR & 0xff;
+		case STUART:
+			while (!(STLSR & LSR_DR))
+			WATCHDOG_RESET ();	/* Reset HW Watchdog, if needed */
+			return (char) STRBR & 0xff;
+	}
+	return -1;
 }
 
 void
-serial_puts (const char *s)
+pxa_puts_dev (unsigned int uart_index,const char *s)
 {
 	while (*s) {
-		serial_putc (*s++);
+		pxa_putc_dev (uart_index,*s++);
 	}
 }
+
+#if defined (CONFIG_FFUART)
+static int ffuart_init(void)
+{
+	return pxa_init_dev(FFUART);
+}
+
+static void ffuart_setbrg(void)
+{
+	return pxa_setbrg_dev(FFUART);
+}
+
+static void ffuart_putc(const char c)
+{
+	return pxa_putc_dev(FFUART,c);
+}
+
+static void ffuart_puts(const char *s)
+{
+	return pxa_puts_dev(FFUART,s);
+}
+
+static int ffuart_getc(void)
+{
+	return pxa_getc_dev(FFUART);
+}
+
+static int ffuart_tstc(void)
+{
+	return pxa_tstc_dev(FFUART);
+}
+
+struct serial_device serial_ffuart_device =
+{
+	"serial_ffuart",
+	"PXA",
+	ffuart_init,
+	ffuart_setbrg,
+	ffuart_getc,
+	ffuart_tstc,
+	ffuart_putc,
+	ffuart_puts,
+};
+#endif
+
+#if defined (CONFIG_BTUART)
+static int btuart_init(void)
+{
+	return pxa_init_dev(BTUART);
+}
+
+static void btuart_setbrg(void)
+{
+	return pxa_setbrg_dev(BTUART);
+}
+
+static void btuart_putc(const char c)
+{
+	return pxa_putc_dev(BTUART,c);
+}
+
+static void btuart_puts(const char *s)
+{
+	return pxa_puts_dev(BTUART,s);
+}
+
+static int btuart_getc(void)
+{
+	return pxa_getc_dev(BTUART);
+}
+
+static int btuart_tstc(void)
+{
+	return pxa_tstc_dev(BTUART);
+}
+
+struct serial_device serial_btuart_device =
+{
+	"serial_btuart",
+	"PXA",
+	btuart_init,
+	btuart_setbrg,
+	btuart_getc,
+	btuart_tstc,
+	btuart_putc,
+	btuart_puts,
+};
+#endif
+
+#if defined (CONFIG_STUART)
+static int stuart_init(void)
+{
+	return pxa_init_dev(STUART);
+}
+
+static void stuart_setbrg(void)
+{
+	return pxa_setbrg_dev(STUART);
+}
+
+static void stuart_putc(const char c)
+{
+	return pxa_putc_dev(STUART,c);
+}
+
+static void stuart_puts(const char *s)
+{
+	return pxa_puts_dev(STUART,s);
+}
+
+static int stuart_getc(void)
+{
+	return pxa_getc_dev(STUART);
+}
+
+static int stuart_tstc(void)
+{
+	return pxa_tstc_dev(STUART);
+}
+
+struct serial_device serial_stuart_device =
+{
+	"serial_stuart",
+	"PXA",
+	stuart_init,
+	stuart_setbrg,
+	stuart_getc,
+	stuart_tstc,
+	stuart_putc,
+	stuart_puts,
+};
+#endif
+
+
+#ifndef CONFIG_SERIAL_MULTI
+inline int serial_init(void) {
+	return (pxa_init_dev(UART_INDEX));
+}
+void serial_setbrg(void) {
+	pxa_setbrg_dev(UART_INDEX);
+}
+int serial_getc(void) {
+	return(pxa_getc_dev(UART_INDEX));
+}
+int serial_tstc(void) {
+	return(pxa_tstc_dev(UART_INDEX));
+}
+void serial_putc(const char c) {
+	pxa_putc_dev(UART_INDEX,c);
+}
+void serial_puts(const char *s) {
+	pxa_puts_dev(UART_INDEX,s);
+}
+#endif	/* CONFIG_SERIAL_MULTI */