Sync'd u-boot-net with mainline

Merge git://www.denx.de/git/u-boot

Conflicts:

	drivers/bcm570x.c
	drivers/tigon3.c

8 files changed, 1513 insertions, 0 deletions

diff --git a/post/cpu/ppc4xx/Makefile b/post/cpu/ppc4xx/Makefile
new file mode 100644
index 0000000..f1034da
--- /dev/null
+++ b/post/cpu/ppc4xx/Makefile
@@ -0,0 +1,29 @@
+#
+# (C) Copyright 2002-2007
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+LIB	= libpostppc4xx.a
+
+AOBJS   = cache_4xx.o
+COBJS	= cache.o ether.o fpu.o spr.o uart.o watchdog.o
+
+include $(TOPDIR)/post/rules.mk
diff --git a/post/cpu/ppc4xx/cache.c b/post/cpu/ppc4xx/cache.c
new file mode 100644
index 0000000..e1f989e
--- /dev/null
+++ b/post/cpu/ppc4xx/cache.c
@@ -0,0 +1,114 @@
+/*
+ * (C) Copyright 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Author: Igor Lisitsin <igor@emcraft.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+/* Cache test
+ *
+ * This test verifies the CPU data and instruction cache using
+ * several test scenarios.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_CACHE
+
+#include <asm/mmu.h>
+#include <watchdog.h>
+
+#define CACHE_POST_SIZE	1024
+
+void program_tlb(u32 phys_addr, u32 virt_addr, u32 size, u32 tlb_word2_i_value);
+
+int cache_post_test1 (int tlb, void *p, int size);
+int cache_post_test2 (int tlb, void *p, int size);
+int cache_post_test3 (int tlb, void *p, int size);
+int cache_post_test4 (int tlb, void *p, int size);
+int cache_post_test5 (int tlb, void *p, int size);
+int cache_post_test6 (int tlb, void *p, int size);
+
+static int tlb = -1;		/* index to the victim TLB entry */
+
+static unsigned char testarea[CACHE_POST_SIZE]
+__attribute__((__aligned__(CACHE_POST_SIZE)));
+
+int cache_post_test (int flags)
+{
+	void* virt = (void*)CFG_POST_CACHE_ADDR;
+	int ints, i, res = 0;
+	u32 word0;
+
+	if (tlb < 0) {
+		/*
+		 * Allocate a new TLB entry, since we are going to modify
+		 * the write-through and caching inhibited storage attributes.
+		 */
+		program_tlb((u32)testarea, (u32)virt,
+			    CACHE_POST_SIZE, TLB_WORD2_I_ENABLE);
+
+		/* Find the TLB entry */
+		for (i = 0;; i++) {
+			if (i >= PPC4XX_TLB_SIZE) {
+				printf ("Failed to program tlb entry\n");
+				return -1;
+			}
+			word0 = mftlb1(i);
+			if (TLB_WORD0_EPN_DECODE(word0) == (u32)virt) {
+				tlb = i;
+				break;
+			}
+		}
+	}
+	ints = disable_interrupts ();
+
+	WATCHDOG_RESET ();
+	if (res == 0)
+		res = cache_post_test1 (tlb, virt, CACHE_POST_SIZE);
+	WATCHDOG_RESET ();
+	if (res == 0)
+		res = cache_post_test2 (tlb, virt, CACHE_POST_SIZE);
+	WATCHDOG_RESET ();
+	if (res == 0)
+		res = cache_post_test3 (tlb, virt, CACHE_POST_SIZE);
+	WATCHDOG_RESET ();
+	if (res == 0)
+		res = cache_post_test4 (tlb, virt, CACHE_POST_SIZE);
+	WATCHDOG_RESET ();
+	if (res == 0)
+		res = cache_post_test5 (tlb, virt, CACHE_POST_SIZE);
+	WATCHDOG_RESET ();
+	if (res == 0)
+		res = cache_post_test6 (tlb, virt, CACHE_POST_SIZE);
+
+	if (ints)
+		enable_interrupts ();
+
+	return res;
+}
+
+#endif /* CONFIG_POST & CFG_POST_CACHE */
+#endif /* CONFIG_POST */
diff --git a/post/cpu/ppc4xx/cache_4xx.S b/post/cpu/ppc4xx/cache_4xx.S
new file mode 100644
index 0000000..dddd76b
--- /dev/null
+++ b/post/cpu/ppc4xx/cache_4xx.S
@@ -0,0 +1,448 @@
+/*
+ * (C) Copyright 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Author: Igor Lisitsin <igor@emcraft.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+#include <ppc_asm.tmpl>
+#include <ppc_defs.h>
+#include <asm/cache.h>
+#include <asm/mmu.h>
+
+#if CONFIG_POST & CFG_POST_CACHE
+
+	.text
+
+/* void cache_post_disable (int tlb)
+ */
+cache_post_disable:
+	tlbre	r0, r3, 0x0002
+	ori	r0, r0, TLB_WORD2_I_ENABLE@l
+	tlbwe	r0, r3, 0x0002
+	sync
+	isync
+	blr
+
+/* void cache_post_wt (int tlb)
+ */
+cache_post_wt:
+	tlbre	r0, r3, 0x0002
+	ori	r0, r0, TLB_WORD2_W_ENABLE@l
+	andi.	r0, r0, ~TLB_WORD2_I_ENABLE@l
+	tlbwe	r0, r3, 0x0002
+	sync
+	isync
+	blr
+
+/* void cache_post_wb (int tlb)
+ */
+cache_post_wb:
+	tlbre	r0, r3, 0x0002
+	andi.	r0, r0, ~TLB_WORD2_W_ENABLE@l
+	andi.	r0, r0, ~TLB_WORD2_I_ENABLE@l
+	tlbwe	r0, r3, 0x0002
+	sync
+	isync
+	blr
+
+/* void cache_post_dinvalidate (void *p, int size)
+ */
+cache_post_dinvalidate:
+	dcbi	r0, r3
+	addi	r3, r3, CFG_CACHELINE_SIZE
+	subic.	r4, r4, CFG_CACHELINE_SIZE
+	bgt	cache_post_dinvalidate
+	sync
+	blr
+
+/* void cache_post_dstore (void *p, int size)
+ */
+cache_post_dstore:
+	dcbst	r0, r3
+	addi	r3, r3, CFG_CACHELINE_SIZE
+	subic.	r4, r4, CFG_CACHELINE_SIZE
+	bgt	cache_post_dstore
+	sync
+	blr
+
+/* void cache_post_dtouch (void *p, int size)
+ */
+cache_post_dtouch:
+	dcbt	r0, r3
+	addi	r3, r3, CFG_CACHELINE_SIZE
+	subic.	r4, r4, CFG_CACHELINE_SIZE
+	bgt	cache_post_dtouch
+	sync
+	blr
+
+/* void cache_post_iinvalidate (void)
+ */
+cache_post_iinvalidate:
+	iccci	r0, r0
+	sync
+	blr
+
+/* void cache_post_memset (void *p, int val, int size)
+ */
+cache_post_memset:
+	mtctr	r5
+1:
+	stb	r4, 0(r3)
+	addi	r3, r3, 1
+	bdnz	1b
+	blr
+
+/* int cache_post_check (void *p, int size)
+ */
+cache_post_check:
+	mtctr	r4
+1:
+	lbz	r0, 0(r3)
+	addi	r3, r3, 1
+	cmpwi	r0, 0xff
+	bne	2f
+	bdnz	1b
+	li	r3, 0
+	blr
+2:
+	li	r3, -1
+	blr
+
+#define CACHE_POST_DISABLE()		\
+	mr	r3, r10;		\
+	bl	cache_post_disable
+
+#define CACHE_POST_WT()			\
+	mr	r3, r10;		\
+	bl	cache_post_wt
+
+#define CACHE_POST_WB()			\
+	mr	r3, r10;		\
+	bl	cache_post_wb
+
+#define CACHE_POST_DINVALIDATE()	\
+	mr	r3, r11;		\
+	mr	r4, r12;		\
+	bl	cache_post_dinvalidate
+
+#define CACHE_POST_DFLUSH()		\
+	mr	r3, r11;		\
+	mr	r4, r12;		\
+	bl	cache_post_dflush
+
+#define CACHE_POST_DSTORE()		\
+	mr	r3, r11;		\
+	mr	r4, r12;		\
+	bl	cache_post_dstore
+
+#define CACHE_POST_DTOUCH()		\
+	mr	r3, r11;		\
+	mr	r4, r12;		\
+	bl	cache_post_dtouch
+
+#define CACHE_POST_IINVALIDATE()	\
+	bl	cache_post_iinvalidate
+
+#define CACHE_POST_MEMSET(val)		\
+	mr	r3, r11;		\
+	li	r4, val;		\
+	mr	r5, r12;		\
+	bl	cache_post_memset
+
+#define CACHE_POST_CHECK()		\
+	mr	r3, r11;		\
+	mr	r4, r12;		\
+	bl	cache_post_check;	\
+	mr	r13, r3
+
+/*
+ * Write and read 0xff pattern with caching enabled.
+ */
+	.global cache_post_test1
+cache_post_test1:
+	mflr	r9
+	mr	r10, r3		/* tlb		*/
+	mr	r11, r4		/* p		*/
+	mr	r12, r5		/* size		*/
+
+	CACHE_POST_WB()
+	CACHE_POST_DINVALIDATE()
+
+	/* Write the negative pattern to the test area */
+	CACHE_POST_MEMSET(0xff)
+
+	/* Read the test area */
+	CACHE_POST_CHECK()
+
+	CACHE_POST_DINVALIDATE()
+	CACHE_POST_DISABLE()
+
+	mr	r3, r13
+	mtlr	r9
+	blr
+
+/*
+ * Write zeroes with caching enabled.
+ * Write 0xff pattern with caching disabled.
+ * Read 0xff pattern with caching enabled.
+ */
+	.global cache_post_test2
+cache_post_test2:
+	mflr	r9
+	mr	r10, r3		/* tlb		*/
+	mr	r11, r4		/* p		*/
+	mr	r12, r5		/* size		*/
+
+	CACHE_POST_WB()
+	CACHE_POST_DINVALIDATE()
+
+	/* Write the zero pattern to the test area */
+	CACHE_POST_MEMSET(0)
+
+	CACHE_POST_DINVALIDATE()
+	CACHE_POST_DISABLE()
+
+	/* Write the negative pattern to the test area */
+	CACHE_POST_MEMSET(0xff)
+
+	CACHE_POST_WB()
+
+	/* Read the test area */
+	CACHE_POST_CHECK()
+
+	CACHE_POST_DINVALIDATE()
+	CACHE_POST_DISABLE()
+
+	mr	r3, r13
+	mtlr	r9
+	blr
+
+/*
+ * Write-through mode test.
+ * Write zeroes, store the cache, write 0xff pattern.
+ * Invalidate the cache.
+ * Check that 0xff pattern is read.
+ */
+	.global cache_post_test3
+cache_post_test3:
+	mflr	r9
+	mr	r10, r3		/* tlb		*/
+	mr	r11, r4		/* p		*/
+	mr	r12, r5		/* size		*/
+
+	CACHE_POST_WT()
+	CACHE_POST_DINVALIDATE()
+
+	/* Cache the test area */
+	CACHE_POST_DTOUCH()
+
+	/* Write the zero pattern to the test area */
+	CACHE_POST_MEMSET(0)
+
+	CACHE_POST_DSTORE()
+
+	/* Write the negative pattern to the test area */
+	CACHE_POST_MEMSET(0xff)
+
+	CACHE_POST_DINVALIDATE()
+	CACHE_POST_DISABLE()
+
+	/* Read the test area */
+	CACHE_POST_CHECK()
+
+	mr	r3, r13
+	mtlr	r9
+	blr
+
+/*
+ * Write-back mode test.
+ * Write 0xff pattern, store the cache, write zeroes.
+ * Invalidate the cache.
+ * Check that 0xff pattern is read.
+ */
+	.global cache_post_test4
+cache_post_test4:
+	mflr	r9
+	mr	r10, r3		/* tlb		*/
+	mr	r11, r4		/* p		*/
+	mr	r12, r5		/* size		*/
+
+	CACHE_POST_WB()
+	CACHE_POST_DINVALIDATE()
+
+	/* Cache the test area */
+	CACHE_POST_DTOUCH()
+
+	/* Write the negative pattern to the test area */
+	CACHE_POST_MEMSET(0xff)
+
+	CACHE_POST_DSTORE()
+
+	/* Write the zero pattern to the test area */
+	CACHE_POST_MEMSET(0)
+
+	CACHE_POST_DINVALIDATE()
+	CACHE_POST_DISABLE()
+
+	/* Read the test area */
+	CACHE_POST_CHECK()
+
+	mr	r3, r13
+	mtlr	r9
+	blr
+
+/*
+ * Load the test instructions into the instruction cache.
+ * Replace the test instructions.
+ * Check that the original instructions are executed.
+ */
+	.global cache_post_test5
+cache_post_test5:
+	mflr	r9
+	mr	r10, r3		/* tlb		*/
+	mr	r11, r4		/* p		*/
+	mr	r12, r5		/* size		*/
+
+	CACHE_POST_WT()
+	CACHE_POST_IINVALIDATE()
+
+	/* Compute r13 = cache_post_test_inst */
+	bl	cache_post_test5_reloc
+cache_post_test5_reloc:
+	mflr	r13
+	lis	r0, (cache_post_test_inst - cache_post_test5_reloc)@h
+	ori	r0, r0, (cache_post_test_inst - cache_post_test5_reloc)@l
+	add	r13, r13, r0
+
+	/* Copy the test instructions to the test area */
+	lwz	r0, 0(r13)
+	stw	r0, 0(r11)
+	lwz	r0, 8(r13)
+	stw	r0, 4(r11)
+	sync
+
+	/* Invalidate the cache line */
+	icbi	r0, r11
+	sync
+	isync
+
+	/* Execute the test instructions */
+	mtlr	r11
+	blrl
+
+	/* Replace the test instruction */
+	lwz	r0, 4(r13)
+	stw	r0, 0(r11)
+	sync
+
+	/* Do not invalidate the cache line */
+	isync
+
+	/* Execute the test instructions */
+	mtlr	r11
+	blrl
+	mr	r13, r3
+
+	CACHE_POST_IINVALIDATE()
+	CACHE_POST_DINVALIDATE()
+	CACHE_POST_DISABLE()
+
+	mr	r3, r13
+	mtlr	r9
+	blr
+
+/*
+ * Load the test instructions into the instruction cache.
+ * Replace the test instructions and invalidate the cache.
+ * Check that the replaced instructions are executed.
+ */
+	.global cache_post_test6
+cache_post_test6:
+	mflr	r9
+	mr	r10, r3		/* tlb		*/
+	mr	r11, r4		/* p		*/
+	mr	r12, r5		/* size		*/
+
+	CACHE_POST_WT()
+	CACHE_POST_IINVALIDATE()
+
+	/* Compute r13 = cache_post_test_inst */
+	bl	cache_post_test6_reloc
+cache_post_test6_reloc:
+	mflr	r13
+	lis	r0, (cache_post_test_inst - cache_post_test6_reloc)@h
+	ori	r0, r0, (cache_post_test_inst - cache_post_test6_reloc)@l
+	add	r13, r13, r0
+
+	/* Copy the test instructions to the test area */
+	lwz	r0, 4(r13)
+	stw	r0, 0(r11)
+	lwz	r0, 8(r13)
+	stw	r0, 4(r11)
+	sync
+
+	/* Invalidate the cache line */
+	icbi	r0, r11
+	sync
+	isync
+
+	/* Execute the test instructions */
+	mtlr	r11
+	blrl
+
+	/* Replace the test instruction */
+	lwz	r0, 0(r13)
+	stw	r0, 0(r11)
+	sync
+
+	/* Invalidate the cache line */
+	icbi	r0, r11
+	sync
+	isync
+
+	/* Execute the test instructions */
+	mtlr	r11
+	blrl
+	mr	r13, r3
+
+	CACHE_POST_IINVALIDATE()
+	CACHE_POST_DINVALIDATE()
+	CACHE_POST_DISABLE()
+
+	mr	r3, r13
+	mtlr	r9
+	blr
+
+/* Test instructions.
+ */
+cache_post_test_inst:
+	li	r3, 0
+	li	r3, -1
+	blr
+
+#endif /* CONFIG_POST & CFG_POST_CACHE */
+#endif /* CONFIG_POST */
diff --git a/post/cpu/ppc4xx/ether.c b/post/cpu/ppc4xx/ether.c
new file mode 100644
index 0000000..391c815
--- /dev/null
+++ b/post/cpu/ppc4xx/ether.c
@@ -0,0 +1,395 @@
+/*
+ * (C) Copyright 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Author: Igor Lisitsin <igor@emcraft.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+/*
+ * Ethernet test
+ *
+ * The Ethernet Media Access Controllers (EMAC) are tested in the
+ * internal loopback mode.
+ * The controllers are configured accordingly and several packets
+ * are transmitted. The configurable test parameters are:
+ *   MIN_PACKET_LENGTH - minimum size of packet to transmit
+ *   MAX_PACKET_LENGTH - maximum size of packet to transmit
+ *   TEST_NUM - number of tests
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_ETHER
+
+#include <asm/cache.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+#include <405_mal.h>
+#include <ppc4xx_enet.h>
+#include <malloc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+#define SDR0_MFR_ETH_CLK_SEL_V(n)	((0x01<<27) / (n+1))
+#endif
+
+#define MIN_PACKET_LENGTH	64
+#define MAX_PACKET_LENGTH	256
+#define TEST_NUM		1
+
+static volatile mal_desc_t tx __cacheline_aligned;
+static volatile mal_desc_t rx __cacheline_aligned;
+static char *tx_buf;
+static char *rx_buf;
+
+static void ether_post_init (int devnum, int hw_addr)
+{
+	int i;
+	unsigned mode_reg;
+#if defined(CONFIG_440GX) || \
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_440SP) || defined(CONFIG_440SPE)
+	sys_info_t sysinfo;
+#endif
+#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || defined(CONFIG_440SPE)
+	unsigned long mfr;
+#endif
+
+#if defined(CONFIG_440GX) || \
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_440SP) || defined(CONFIG_440SPE)
+	/* Need to get the OPB frequency so we can access the PHY */
+	get_sys_info (&sysinfo);
+#endif
+
+#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+	/* provide clocks for EMAC internal loopback  */
+	mfsdr (sdr_mfr, mfr);
+	mfr |= SDR0_MFR_ETH_CLK_SEL_V(devnum);
+	mtsdr (sdr_mfr, mfr);
+	sync ();
+#endif
+	/* reset emac */
+	out32 (EMAC_M0 + hw_addr, EMAC_M0_SRST);
+	sync ();
+
+	for (i = 0;; i++) {
+		if (!(in32 (EMAC_M0 + hw_addr) & EMAC_M0_SRST))
+			break;
+		if (i >= 1000) {
+			printf ("Timeout resetting EMAC\n");
+			break;
+		}
+		udelay (1000);
+	}
+#if defined(CONFIG_440GX) || \
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_440SP) || defined(CONFIG_440SPE)
+	/* Whack the M1 register */
+	mode_reg = 0x0;
+	if (sysinfo.freqOPB <= 50000000);
+	else if (sysinfo.freqOPB <= 66666667)
+		mode_reg |= EMAC_M1_OBCI_66;
+	else if (sysinfo.freqOPB <= 83333333)
+		mode_reg |= EMAC_M1_OBCI_83;
+	else if (sysinfo.freqOPB <= 100000000)
+		mode_reg |= EMAC_M1_OBCI_100;
+	else
+		mode_reg |= EMAC_M1_OBCI_GT100;
+
+	out32 (EMAC_M1 + hw_addr, mode_reg);
+
+#endif /* defined(CONFIG_440GX) || defined(CONFIG_440SP) */
+
+	/* set the Mal configuration reg */
+#if defined(CONFIG_440GX) || \
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_440SP) || defined(CONFIG_440SPE)
+	mtdcr (malmcr, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA |
+	       MAL_CR_PLBLT_DEFAULT | 0x00330000);
+#else
+	mtdcr (malmcr, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA | MAL_CR_PLBLT_DEFAULT);
+	/* Errata 1.12: MAL_1 -- Disable MAL bursting */
+	if (get_pvr() == PVR_440GP_RB) {
+		mtdcr (malmcr, mfdcr(malmcr) & ~MAL_CR_PLBB);
+	}
+#endif
+	/* setup buffer descriptors */
+	tx.ctrl = MAL_TX_CTRL_WRAP;
+	tx.data_len = 0;
+	tx.data_ptr = (char*)L1_CACHE_ALIGN((u32)tx_buf);
+
+	rx.ctrl = MAL_TX_CTRL_WRAP | MAL_RX_CTRL_EMPTY;
+	rx.data_len = 0;
+	rx.data_ptr = (char*)L1_CACHE_ALIGN((u32)rx_buf);
+
+	switch (devnum) {
+	case 1:
+		/* setup MAL tx & rx channel pointers */
+#if defined (CONFIG_405EP) || defined (CONFIG_440EP) || defined (CONFIG_440GR)
+		mtdcr (maltxctp2r, &tx);
+#else
+		mtdcr (maltxctp1r, &tx);
+#endif
+#if defined(CONFIG_440)
+		mtdcr (maltxbattr, 0x0);
+		mtdcr (malrxbattr, 0x0);
+#endif
+		mtdcr (malrxctp1r, &rx);
+		/* set RX buffer size */
+		mtdcr (malrcbs1, PKTSIZE_ALIGN / 16);
+		break;
+	case 0:
+	default:
+		/* setup MAL tx & rx channel pointers */
+#if defined(CONFIG_440)
+		mtdcr (maltxbattr, 0x0);
+		mtdcr (malrxbattr, 0x0);
+#endif
+		mtdcr (maltxctp0r, &tx);
+		mtdcr (malrxctp0r, &rx);
+		/* set RX buffer size */
+		mtdcr (malrcbs0, PKTSIZE_ALIGN / 16);
+		break;
+	}
+
+	/* Enable MAL transmit and receive channels */
+#if defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
+	mtdcr (maltxcasr, (MAL_TXRX_CASR >> (devnum*2)));
+#else
+	mtdcr (maltxcasr, (MAL_TXRX_CASR >> devnum));
+#endif
+	mtdcr (malrxcasr, (MAL_TXRX_CASR >> devnum));
+
+	/* set internal loopback mode */
+	out32 (EMAC_M1 + hw_addr, EMAC_M1_FDE | EMAC_M1_ILE |
+	       EMAC_M1_RFS_4K | EMAC_M1_TX_FIFO_2K |
+	       EMAC_M1_MF_100MBPS | EMAC_M1_IST |
+	       in32 (EMAC_M1));
+
+	/* set transmit enable & receive enable */
+	out32 (EMAC_M0 + hw_addr, EMAC_M0_TXE | EMAC_M0_RXE);
+
+	/* enable broadcast address */
+	out32 (EMAC_RXM + hw_addr, EMAC_RMR_BAE);
+
+	/* set transmit request threshold register */
+	out32 (EMAC_TRTR + hw_addr, 0x18000000);	/* 256 byte threshold */
+
+	/* set receive	low/high water mark register */
+#if defined(CONFIG_440)
+	/* 440s has a 64 byte burst length */
+	out32 (EMAC_RX_HI_LO_WMARK + hw_addr, 0x80009000);
+#else
+	/* 405s have a 16 byte burst length */
+	out32 (EMAC_RX_HI_LO_WMARK + hw_addr, 0x0f002000);
+#endif /* defined(CONFIG_440) */
+	out32 (EMAC_TXM1 + hw_addr, 0xf8640000);
+
+	/* Set fifo limit entry in tx mode 0 */
+	out32 (EMAC_TXM0 + hw_addr, 0x00000003);
+	/* Frame gap set */
+	out32 (EMAC_I_FRAME_GAP_REG + hw_addr, 0x00000008);
+	sync ();
+}
+
+static void ether_post_halt (int devnum, int hw_addr)
+{
+	int i = 0;
+#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+	unsigned long mfr;
+#endif
+
+	/* 1st reset MAL channel */
+	/* Note: writing a 0 to a channel has no effect */
+#if defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
+	mtdcr (maltxcarr, MAL_TXRX_CASR >> (devnum * 2));
+#else
+	mtdcr (maltxcarr, MAL_TXRX_CASR >> devnum);
+#endif
+	mtdcr (malrxcarr, MAL_TXRX_CASR >> devnum);
+
+	/* wait for reset */
+	while (mfdcr (malrxcasr) & (MAL_TXRX_CASR >> devnum)) {
+		if (i++ >= 1000)
+			break;
+		udelay (1000);
+	}
+	/* emac reset */
+	out32 (EMAC_M0 + hw_addr, EMAC_M0_SRST);
+
+#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+	/* remove clocks for EMAC internal loopback  */
+	mfsdr (sdr_mfr, mfr);
+	mfr &= ~SDR0_MFR_ETH_CLK_SEL_V(devnum);
+	mtsdr (sdr_mfr, mfr);
+#endif
+}
+
+static void ether_post_send (int devnum, int hw_addr, void *packet, int length)
+{
+	int i = 0;
+
+	while (tx.ctrl & MAL_TX_CTRL_READY) {
+		if (i++ > 100) {
+			printf ("TX timeout\n");
+			return;
+		}
+		udelay (1000);
+	}
+	tx.ctrl = MAL_TX_CTRL_READY | MAL_TX_CTRL_WRAP | MAL_TX_CTRL_LAST |
+		EMAC_TX_CTRL_GFCS | EMAC_TX_CTRL_GP;
+	tx.data_len = length;
+	memcpy (tx.data_ptr, packet, length);
+	sync ();
+
+	out32 (EMAC_TXM0 + hw_addr, in32 (EMAC_TXM0 + hw_addr) | EMAC_TXM0_GNP0);
+	sync ();
+}
+
+static int ether_post_recv (int devnum, int hw_addr, void *packet, int max_length)
+{
+	int length;
+	int i = 0;
+
+	while (rx.ctrl & MAL_RX_CTRL_EMPTY) {
+		if (i++ > 100) {
+			printf ("RX timeout\n");
+			return 0;
+		}
+		udelay (1000);
+	}
+	length = rx.data_len - 4;
+	if (length <= max_length)
+		memcpy(packet, rx.data_ptr, length);
+	sync ();
+
+	rx.ctrl |= MAL_RX_CTRL_EMPTY;
+	sync ();
+
+	return length;
+}
+
+  /*
+   * Test routines
+   */
+
+static void packet_fill (char *packet, int length)
+{
+	char c = (char) length;
+	int i;
+
+	/* set up ethernet header */
+	memset (packet, 0xff, 14);
+
+	for (i = 14; i < length; i++) {
+		packet[i] = c++;
+	}
+}
+
+static int packet_check (char *packet, int length)
+{
+	char c = (char) length;
+	int i;
+
+	for (i = 14; i < length; i++) {
+		if (packet[i] != c++)
+			return -1;
+	}
+
+	return 0;
+}
+
+static int test_ctlr (int devnum, int hw_addr)
+{
+	int res = -1;
+	char packet_send[MAX_PACKET_LENGTH];
+	char packet_recv[MAX_PACKET_LENGTH];
+	int length;
+	int i;
+	int l;
+
+	ether_post_init (devnum, hw_addr);
+
+	for (i = 0; i < TEST_NUM; i++) {
+		for (l = MIN_PACKET_LENGTH; l <= MAX_PACKET_LENGTH; l++) {
+			packet_fill (packet_send, l);
+
+			ether_post_send (devnum, hw_addr, packet_send, l);
+
+			length = ether_post_recv (devnum, hw_addr, packet_recv,
+						  sizeof (packet_recv));
+
+			if (length != l || packet_check (packet_recv, length) < 0) {
+				goto Done;
+			}
+		}
+	}
+
+	res = 0;
+
+Done:
+
+	ether_post_halt (devnum, hw_addr);
+
+	if (res != 0) {
+		post_log ("EMAC%d test failed\n", devnum);
+	}
+
+	return res;
+}
+
+int ether_post_test (int flags)
+{
+	int res = 0;
+
+	/* Allocate tx & rx packet buffers */
+	tx_buf = malloc (PKTSIZE_ALIGN + CFG_CACHELINE_SIZE);
+	rx_buf = malloc (PKTSIZE_ALIGN + CFG_CACHELINE_SIZE);
+
+	if (!tx_buf || !rx_buf) {
+		printf ("Failed to allocate packet buffers\n");
+		res = -1;
+		goto out_free;
+	}
+
+	/* EMAC0 */
+	if (test_ctlr (0, 0))
+		res = -1;
+
+	/* EMAC1 */
+	if (test_ctlr (1, 0x100))
+		res = -1;
+
+out_free:
+	free (tx_buf);
+	free (rx_buf);
+
+	return res;
+}
+
+#endif /* CONFIG_POST & CFG_POST_ETHER */
+#endif /* CONFIG_POST */
diff --git a/post/cpu/ppc4xx/fpu.c b/post/cpu/ppc4xx/fpu.c
new file mode 100644
index 0000000..27e9ed0
--- /dev/null
+++ b/post/cpu/ppc4xx/fpu.c
@@ -0,0 +1,59 @@
+/*
+ * (C) Copyright 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Author: Sergei Poselenov <sposelenov@emcraft.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+
+#ifdef CONFIG_POST
+#if defined(CONFIG_440EP) || \
+    defined(CONFIG_440EPX)
+
+#include <ppc4xx.h>
+#include <asm/processor.h>
+
+
+int fpu_status(void)
+{
+	if (mfspr(ccr0) & CCR0_DAPUIB)
+		return 0; /* Disabled */
+	else
+		return 1; /* Enabled */
+}
+
+
+void fpu_disable(void)
+{
+	mtspr(ccr0, mfspr(ccr0) | CCR0_DAPUIB);
+	mtmsr(mfmsr() & ~MSR_FP);
+}
+
+
+void fpu_enable(void)
+{
+	mtspr(ccr0, mfspr(ccr0) & ~CCR0_DAPUIB);
+	mtmsr(mfmsr() | MSR_FP);
+}
+
+#endif
+#endif /* CONFIG_POST */
diff --git a/post/cpu/ppc4xx/spr.c b/post/cpu/ppc4xx/spr.c
new file mode 100644
index 0000000..3e74634
--- /dev/null
+++ b/post/cpu/ppc4xx/spr.c
@@ -0,0 +1,182 @@
+/*
+ * (C) Copyright 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Author: Igor Lisitsin <igor@emcraft.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+/*
+ * SPR test
+ *
+ * The test checks the contents of Special Purpose Registers (SPR) listed
+ * in the spr_test_list array below.
+ * Each SPR value is read using mfspr instruction, some bits are masked
+ * according to the table and the resulting value is compared to the
+ * corresponding table value.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_SPR
+
+#include <asm/processor.h>
+
+static struct {
+	int number;
+	char * name;
+	unsigned long mask;
+	unsigned long value;
+} spr_test_list [] = {
+	/* Standard Special-Purpose Registers */
+
+	{0x001,	"XER",		0x00000000,	0x00000000},
+	{0x008,	"LR",		0x00000000,	0x00000000},
+	{0x009,	"CTR",		0x00000000,	0x00000000},
+	{0x016,	"DEC",		0x00000000,	0x00000000},
+	{0x01a,	"SRR0",		0x00000000,	0x00000000},
+	{0x01b,	"SRR1",		0x00000000,	0x00000000},
+	{0x110,	"SPRG0",	0x00000000,	0x00000000},
+	{0x111,	"SPRG1",	0x00000000,	0x00000000},
+	{0x112,	"SPRG2",	0x00000000,	0x00000000},
+	{0x113,	"SPRG3",	0x00000000,	0x00000000},
+	{0x11f,	"PVR",		0x00000000,	0x00000000},
+
+	/* Additional Special-Purpose Registers.
+	 * The values must match the initialization
+	 * values from cpu/ppc4xx/start.S
+	 */
+	{0x30,	"PID",		0x00000000,	0x00000000},
+	{0x3a,	"CSRR0",	0x00000000,	0x00000000},
+	{0x3b,	"CSRR1",	0x00000000,	0x00000000},
+	{0x3d,	"DEAR",		0x00000000,	0x00000000},
+	{0x3e,	"ESR",		0x00000000,	0x00000000},
+	{0x3f,	"IVPR",		0xffff0000,	0x00000000},
+	{0x100,	"USPRG0",	0x00000000,	0x00000000},
+	{0x104,	"SPRG4",	0x00000000,	0x00000000},
+	{0x105,	"SPRG5",	0x00000000,	0x00000000},
+	{0x106,	"SPRG6",	0x00000000,	0x00000000},
+	{0x107,	"SPRG7",	0x00000000,	0x00000000},
+	{0x10c,	"TBL",		0x00000000,	0x00000000},
+	{0x10d,	"TBU",		0x00000000,	0x00000000},
+	{0x11e,	"PIR",		0x0000000f,	0x00000000},
+	{0x130,	"DBSR",		0x00000000,	0x00000000},
+	{0x134,	"DBCR0",	0x00000000,	0x00000000},
+	{0x135,	"DBCR1",	0x00000000,	0x00000000},
+	{0x136,	"DBCR2",	0x00000000,	0x00000000},
+	{0x138,	"IAC1",		0x00000000,	0x00000000},
+	{0x139,	"IAC2",		0x00000000,	0x00000000},
+	{0x13a,	"IAC3",		0x00000000,	0x00000000},
+	{0x13b,	"IAC4",		0x00000000,	0x00000000},
+	{0x13c,	"DAC1",		0x00000000,	0x00000000},
+	{0x13d,	"DAC2",		0x00000000,	0x00000000},
+	{0x13e,	"DVC1",		0x00000000,	0x00000000},
+	{0x13f,	"DVC2",		0x00000000,	0x00000000},
+	{0x150,	"TSR",		0x00000000,	0x00000000},
+	{0x154,	"TCR",		0x00000000,	0x00000000},
+	{0x190,	"IVOR0",	0x0000fff0,	0x00000100},
+	{0x191,	"IVOR1",	0x0000fff0,	0x00000200},
+	{0x192,	"IVOR2",	0x0000fff0,	0x00000300},
+	{0x193,	"IVOR3",	0x0000fff0,	0x00000400},
+	{0x194,	"IVOR4",	0x0000fff0,	0x00000500},
+	{0x195,	"IVOR5",	0x0000fff0,	0x00000600},
+	{0x196,	"IVOR6",	0x0000fff0,	0x00000700},
+	{0x197,	"IVOR7",	0x0000fff0,	0x00000800},
+	{0x198,	"IVOR8",	0x0000fff0,	0x00000c00},
+	{0x199,	"IVOR9",	0x00000000,	0x00000000},
+	{0x19a,	"IVOR10",	0x0000fff0,	0x00000900},
+	{0x19b,	"IVOR11",	0x00000000,	0x00000000},
+	{0x19c,	"IVOR12",	0x00000000,	0x00000000},
+	{0x19d,	"IVOR13",	0x0000fff0,	0x00001300},
+	{0x19e,	"IVOR14",	0x0000fff0,	0x00001400},
+	{0x19f,	"IVOR15",	0x0000fff0,	0x00002000},
+	{0x23a,	"MCSRR0",	0x00000000,	0x00000000},
+	{0x23b,	"MCSRR1",	0x00000000,	0x00000000},
+	{0x23c,	"MCSR",		0x00000000,	0x00000000},
+	{0x370,	"INV0",		0x00000000,	0x00000000},
+	{0x371,	"INV1",		0x00000000,	0x00000000},
+	{0x372,	"INV2",		0x00000000,	0x00000000},
+	{0x373,	"INV3",		0x00000000,	0x00000000},
+	{0x374,	"ITV0",		0x00000000,	0x00000000},
+	{0x375,	"ITV1",		0x00000000,	0x00000000},
+	{0x376,	"ITV2",		0x00000000,	0x00000000},
+	{0x377,	"ITV3",		0x00000000,	0x00000000},
+	{0x378,	"CCR1",		0x00000000,	0x00000000},
+	{0x390,	"DNV0",		0x00000000,	0x00000000},
+	{0x391,	"DNV1",		0x00000000,	0x00000000},
+	{0x392,	"DNV2",		0x00000000,	0x00000000},
+	{0x393,	"DNV3",		0x00000000,	0x00000000},
+	{0x394,	"DTV0",		0x00000000,	0x00000000},
+	{0x395,	"DTV1",		0x00000000,	0x00000000},
+	{0x396,	"DTV2",		0x00000000,	0x00000000},
+	{0x397,	"DTV3",		0x00000000,	0x00000000},
+	{0x398,	"DVLIM",	0x0fc1f83f,	0x0001f800},
+	{0x399,	"IVLIM",	0x0fc1f83f,	0x0001f800},
+	{0x39b,	"RSTCFG",	0x00000000,	0x00000000},
+	{0x39c,	"DCDBTRL",	0x00000000,	0x00000000},
+	{0x39d,	"DCDBTRH",	0x00000000,	0x00000000},
+	{0x39e,	"ICDBTRL",	0x00000000,	0x00000000},
+	{0x39f,	"ICDBTRH",	0x00000000,	0x00000000},
+	{0x3b2,	"MMUCR",	0x00000000,	0x00000000},
+	{0x3b3,	"CCR0",		0x00000000,	0x00000000},
+	{0x3d3,	"ICDBDR",	0x00000000,	0x00000000},
+	{0x3f3,	"DBDR",		0x00000000,	0x00000000},
+};
+
+static int spr_test_list_size =
+		sizeof (spr_test_list) / sizeof (spr_test_list[0]);
+
+int spr_post_test (int flags)
+{
+	int ret = 0;
+	int i;
+
+	unsigned long code[] = {
+		0x7c6002a6,				/* mfspr r3,SPR */
+		0x4e800020				/* blr          */
+	};
+	unsigned long (*get_spr) (void) = (void *) code;
+
+	for (i = 0; i < spr_test_list_size; i++) {
+		int num = spr_test_list[i].number;
+
+		/* mfspr r3,num */
+		code[0] = 0x7c6002a6 | ((num & 0x1F) << 16) | ((num & 0x3E0) << 6);
+
+		asm volatile ("isync");
+
+		if ((get_spr () & spr_test_list[i].mask) !=
+			(spr_test_list[i].value & spr_test_list[i].mask)) {
+			post_log ("The value of %s special register "
+				  "is incorrect: 0x%08X\n",
+					spr_test_list[i].name, get_spr ());
+			ret = -1;
+		}
+	}
+
+	return ret;
+}
+
+#endif /* CONFIG_POST & CFG_POST_SPR */
+#endif /* CONFIG_POST */
diff --git a/post/cpu/ppc4xx/uart.c b/post/cpu/ppc4xx/uart.c
new file mode 100644
index 0000000..b047d42
--- /dev/null
+++ b/post/cpu/ppc4xx/uart.c
@@ -0,0 +1,215 @@
+/*
+ * (C) Copyright 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Author: Igor Lisitsin <igor@emcraft.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+/*
+ * UART test
+ *
+ * The controllers are configured to loopback mode and several
+ * characters are transmitted.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_UART
+
+#include <asm/processor.h>
+#include <serial.h>
+
+#define UART0_BASE  CFG_PERIPHERAL_BASE + 0x00000300
+#define UART1_BASE  CFG_PERIPHERAL_BASE + 0x00000400
+#define UART2_BASE  CFG_PERIPHERAL_BASE + 0x00000500
+#define UART3_BASE  CFG_PERIPHERAL_BASE + 0x00000600
+
+#define CR0_MASK        0xdfffffff
+#define CR0_EXTCLK_ENA  0x00800000
+#define CR0_UDIV_POS    0
+#define UDIV_SUBTRACT	0
+#define UART0_SDR	sdr_uart0
+#define UART1_SDR	sdr_uart1
+#define UART2_SDR	sdr_uart2
+#define UART3_SDR	sdr_uart3
+#define MFREG(a, d)	mfsdr(a, d)
+#define MTREG(a, d)	mtsdr(a, d)
+
+#define UART_RBR    0x00
+#define UART_THR    0x00
+#define UART_IER    0x01
+#define UART_IIR    0x02
+#define UART_FCR    0x02
+#define UART_LCR    0x03
+#define UART_MCR    0x04
+#define UART_LSR    0x05
+#define UART_MSR    0x06
+#define UART_SCR    0x07
+#define UART_DLL    0x00
+#define UART_DLM    0x01
+
+/*
+  Line Status Register.
+*/
+#define asyncLSRDataReady1            0x01
+#define asyncLSROverrunError1         0x02
+#define asyncLSRParityError1          0x04
+#define asyncLSRFramingError1         0x08
+#define asyncLSRBreakInterrupt1       0x10
+#define asyncLSRTxHoldEmpty1          0x20
+#define asyncLSRTxShiftEmpty1         0x40
+#define asyncLSRRxFifoError1          0x80
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static int uart_post_init (unsigned long dev_base)
+{
+	unsigned long reg;
+	unsigned long udiv;
+	unsigned short bdiv;
+	volatile char val;
+#ifdef CFG_EXT_SERIAL_CLOCK
+	unsigned long tmp;
+#endif
+	int i;
+
+	for (i = 0; i < 3500; i++) {
+		if (in8 (dev_base + UART_LSR) & asyncLSRTxHoldEmpty1)
+			break;
+		udelay (100);
+	}
+	MFREG(UART0_SDR, reg);
+	reg &= ~CR0_MASK;
+
+#ifdef CFG_EXT_SERIAL_CLOCK
+	reg |= CR0_EXTCLK_ENA;
+	udiv = 1;
+	tmp  = gd->baudrate * 16;
+	bdiv = (CFG_EXT_SERIAL_CLOCK + tmp / 2) / tmp;
+#else
+	/* For 440, the cpu clock is on divider chain A, UART on divider
+	 * chain B ... so cpu clock is irrelevant. Get the "optimized"
+	 * values that are subject to the 1/2 opb clock constraint
+	 */
+	serial_divs (gd->baudrate, &udiv, &bdiv);
+#endif
+
+	reg |= (udiv - UDIV_SUBTRACT) << CR0_UDIV_POS;	/* set the UART divisor */
+
+	/*
+	 * Configure input clock to baudrate generator for all
+	 * available serial ports here
+	 */
+	MTREG(UART0_SDR, reg);
+#if defined(UART1_SDR)
+	MTREG(UART1_SDR, reg);
+#endif
+#if defined(UART2_SDR)
+	MTREG(UART2_SDR, reg);
+#endif
+#if defined(UART3_SDR)
+	MTREG(UART3_SDR, reg);
+#endif
+
+	out8(dev_base + UART_LCR, 0x80);	/* set DLAB bit */
+	out8(dev_base + UART_DLL, bdiv);	/* set baudrate divisor */
+	out8(dev_base + UART_DLM, bdiv >> 8);	/* set baudrate divisor */
+	out8(dev_base + UART_LCR, 0x03);	/* clear DLAB; set 8 bits, no parity */
+	out8(dev_base + UART_FCR, 0x00);	/* disable FIFO */
+	out8(dev_base + UART_MCR, 0x10);	/* enable loopback mode */
+	val = in8(dev_base + UART_LSR);		/* clear line status */
+	val = in8(dev_base + UART_RBR);		/* read receive buffer */
+	out8(dev_base + UART_SCR, 0x00);	/* set scratchpad */
+	out8(dev_base + UART_IER, 0x00);	/* set interrupt enable reg */
+
+	return 0;
+}
+
+static void uart_post_putc (unsigned long dev_base, char c)
+{
+	int i;
+
+	out8 (dev_base + UART_THR, c);	/* put character out */
+
+	/* Wait for transfer completion */
+	for (i = 0; i < 3500; i++) {
+		if (in8 (dev_base + UART_LSR) & asyncLSRTxHoldEmpty1)
+			break;
+		udelay (100);
+	}
+}
+
+static int uart_post_getc (unsigned long dev_base)
+{
+	int i;
+
+	/* Wait for character available */
+	for (i = 0; i < 3500; i++) {
+		if (in8 (dev_base + UART_LSR) & asyncLSRDataReady1)
+			break;
+		udelay (100);
+	}
+	return 0xff & in8 (dev_base + UART_RBR);
+}
+
+static int test_ctlr (unsigned long dev_base, int index)
+{
+	int res = -1;
+	char test_str[] = "*** UART Test String ***\r\n";
+	int i;
+
+	uart_post_init (dev_base);
+
+	for (i = 0; i < sizeof (test_str) - 1; i++) {
+		uart_post_putc (dev_base, test_str[i]);
+		if (uart_post_getc (dev_base) != test_str[i])
+			goto done;
+	}
+	res = 0;
+done:
+	if (res)
+		post_log ("uart%d test failed\n", index);
+
+	return res;
+}
+
+int uart_post_test (int flags)
+{
+	int i, res = 0;
+	static unsigned long base[] = {
+		UART0_BASE, UART1_BASE, UART2_BASE, UART3_BASE
+	};
+
+	for (i = 0; i < sizeof (base) / sizeof (base[0]); i++) {
+		if (test_ctlr (base[i], i))
+			res = -1;
+	}
+	serial_reinit_all ();
+
+	return res;
+}
+
+#endif /* CONFIG_POST & CFG_POST_UART */
+#endif /* CONFIG_POST */
diff --git a/post/cpu/ppc4xx/watchdog.c b/post/cpu/ppc4xx/watchdog.c
new file mode 100644
index 0000000..bd4f4c9
--- /dev/null
+++ b/post/cpu/ppc4xx/watchdog.c
@@ -0,0 +1,71 @@
+/*
+ * (C) Copyright 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Author: Igor Lisitsin <igor@emcraft.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+/*
+ * Watchdog test
+ *
+ * The test verifies the watchdog timer operation.
+ * On the first iteration, the test routine disables interrupts and
+ * makes a 10-second delay. If the system does not reboot during this delay,
+ * the watchdog timer is not operational and the test fails. If the system
+ * reboots, on the second iteration the test routine reports a success.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_WATCHDOG
+
+#include <watchdog.h>
+
+int watchdog_post_test (int flags)
+{
+	if (flags & POST_REBOOT) {
+		/* Test passed */
+		return 0;
+	}
+	else {
+		/* 10-second delay */
+		int ints = disable_interrupts ();
+		ulong base = post_time_ms (0);
+
+		while (post_time_ms (base) < 10000)
+			;
+		if (ints)
+			enable_interrupts ();
+
+		/*
+		 * If we have reached this point, the watchdog timer
+		 * does not work
+		 */
+		return -1;
+	}
+}
+
+#endif /* CONFIG_POST & CFG_POST_WATCHDOG */
+#endif /* CONFIG_POST */