Add PCI support for the TQM834x board.

CHANGELOG

@@ -2,6 +2,8 @@
 Changes for U-Boot 1.1.4:
 ======================================================================
 
+* Add PCI support for the TQM834x board.
+
 * Add fat & ext2 support to AMCC 440EP boards Yosemite & Bamboo.
   Fix identation on ext2ls help entry.
   Patch by Stefan Roese, 14 Oct 2005

board/tqm834x/Makefile

@@ -24,7 +24,7 @@ include $(TOPDIR)/config.mk
 
 LIB	= lib$(BOARD).a
 
-OBJS	:= $(BOARD).o
+OBJS	= $(BOARD).o pci.o
 
 $(LIB):	$(OBJS) $(SOBJS)
 	$(AR) crv $@ $(OBJS)

board/tqm834x/pci.c

@@ -0,0 +1,220 @@
+/*
+ * (C) Copyright 2005
+ * 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
+ *
+ */
+
+#include <asm/mmu.h>
+#include <common.h>
+#include <pci.h>
+
+#ifdef CONFIG_PCI
+
+/* System RAM mapped to PCI space */
+#define CONFIG_PCI_SYS_MEM_BUS	CFG_SDRAM_BASE
+#define CONFIG_PCI_SYS_MEM_PHYS	CFG_SDRAM_BASE
+#define CONFIG_PCI_SYS_MEM_SIZE	(1024 * 1024 * 1024)
+
+#ifndef CONFIG_PCI_PNP
+static struct pci_config_table pci_tqm834x_config_table[] = {
+	{PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+	 PCI_IDSEL_NUMBER, PCI_ANY_ID,
+ 	 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
+				     PCI_ENET0_MEMADDR,
+				     PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER
+		}
+	},
+	{}
+};
+#endif
+
+static struct pci_controller pci1_hose = {
+#ifndef CONFIG_PCI_PNP
+	config_table:pci_tqm834x_config_table,
+#endif
+};
+
+
+/**************************************************************************
+ * pci_init_board()
+ *
+ * NOTICE: MPC8349 internally has two PCI controllers (PCI1 and PCI2) but since
+ * per TQM834x design physical connections to external devices (PCI sockets)
+ * are routed only to the PCI1 we do not account for the second one - this code
+ * supports PCI1 module only. Should support for the PCI2 be required in the
+ * future it needs a separate pci_controller structure (above) and handling -
+ * please refer to other boards' implementation for dual PCI host controllers,
+ * for example board/Marvell/db64360/pci.c, pci_init_board()
+ *
+ */
+void
+pci_init_board(void)
+{
+	volatile immap_t *	immr;
+	volatile clk8349_t *	clk;
+	volatile law8349_t *	pci_law;
+	volatile pot8349_t *	pci_pot;
+	volatile pcictrl8349_t *	pci_ctrl;
+	volatile pciconf8349_t *	pci_conf;
+	u16 reg16;
+	u32 reg32;
+	struct	pci_controller * hose;
+
+	immr = (immap_t *)CFG_IMMRBAR;
+	clk = (clk8349_t *)&immr->clk;
+	pci_law = immr->sysconf.pcilaw;
+	pci_pot = immr->ios.pot;
+	pci_ctrl = immr->pci_ctrl;
+	pci_conf = immr->pci_conf;
+
+	hose = &pci1_hose;
+	
+	/*
+	 * Configure PCI controller and PCI_CLK_OUTPUT 
+	 */
+
+	/*
+	 * WARNING! only PCI_CLK_OUTPUT1 is enabled here as this is the one
+	 * line actually used for clocking all external PCI devices in TQM83xx.
+	 * Enabling other PCI_CLK_OUTPUT lines may lead to board's hang for 
+	 * unknown reasons - particularly PCI_CLK_OUTPUT6 and PCI_CLK_OUTPUT7
+	 * are known to hang the board; this issue is under investigation 
+	 * (13 oct 05)
+	 */
+	reg32 = OCCR_PCICOE1;
+#if 0	
+	/* enabling all PCI_CLK_OUTPUT lines HANGS the board... */
+	reg32 = 0xff000000;
+#endif	
+	if (clk->spmr & SPMR_CKID) {
+		/* PCI Clock is half CONFIG_83XX_CLKIN so need to set up OCCR
+		 * fields accordingly */
+		reg32 |= (OCCR_PCI1CR | OCCR_PCI2CR);
+		
+		reg32 |= (OCCR_PCICD0 | OCCR_PCICD1 | OCCR_PCICD2 \
+			  | OCCR_PCICD3 | OCCR_PCICD4 | OCCR_PCICD5 \
+			  | OCCR_PCICD6 | OCCR_PCICD7);
+	}
+
+	clk->occr = reg32;
+	udelay(2000);
+
+	/*
+	 * Release PCI RST Output signal
+	 */
+	pci_ctrl[0].gcr = 0;
+	udelay(2000);
+	pci_ctrl[0].gcr = 1;
+	udelay(2000);
+
+	/*
+	 * Configure PCI Local Access Windows
+	 */
+	pci_law[0].bar = CFG_PCI1_MEM_PHYS & LAWBAR_BAR;
+	pci_law[0].ar = LAWAR_EN | LAWAR_TRGT_IF_PCI1 | LAWAR_SIZE_512M;
+
+	pci_law[1].bar = CFG_PCI1_IO_PHYS & LAWBAR_BAR;
+	pci_law[1].ar = LAWAR_EN | LAWAR_TRGT_IF_PCI1 | LAWAR_SIZE_16M;
+
+	/*
+	 * Configure PCI Outbound Translation Windows
+	 */
+
+	/* PCI1 mem space */ 
+	pci_pot[0].potar = (CFG_PCI1_MEM_BASE >> 12) & POTAR_TA_MASK;
+	pci_pot[0].pobar = (CFG_PCI1_MEM_PHYS >> 12) & POBAR_BA_MASK;
+	pci_pot[0].pocmr = POCMR_EN | (POCMR_CM_512M & POCMR_CM_MASK);
+
+	/* PCI1 IO space */
+	pci_pot[1].potar = (CFG_PCI1_IO_BASE >> 12) & POTAR_TA_MASK;
+	pci_pot[1].pobar = (CFG_PCI1_IO_PHYS >> 12) & POBAR_BA_MASK;
+	pci_pot[1].pocmr = POCMR_EN | POCMR_IO | (POCMR_CM_16M & POCMR_CM_MASK);
+
+	/*
+	 * Configure PCI Inbound Translation Windows
+	 */
+
+	/* we need RAM mapped to PCI space for the devices to 
+	 * access main memory */ 
+	pci_ctrl[0].pitar1 = 0x0;
+	pci_ctrl[0].pibar1 = 0x0;
+	pci_ctrl[0].piebar1 = 0x0;
+	pci_ctrl[0].piwar1 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_IWS_256M;
+
+	hose->first_busno = 0;
+	hose->last_busno = 0xff;
+
+	/* PCI memory space */
+	pci_set_region(hose->regions + 0,
+		       CFG_PCI1_MEM_BASE,
+		       CFG_PCI1_MEM_PHYS,
+		       CFG_PCI1_MEM_SIZE,
+		       PCI_REGION_MEM);
+
+	/* PCI IO space */
+	pci_set_region(hose->regions + 1,
+		       CFG_PCI1_IO_BASE,
+		       CFG_PCI1_IO_PHYS,
+		       CFG_PCI1_IO_SIZE,
+		       PCI_REGION_IO);
+
+	/* System memory space */
+	pci_set_region(hose->regions + 2,
+		       CONFIG_PCI_SYS_MEM_BUS,
+                       CONFIG_PCI_SYS_MEM_PHYS,
+                       CONFIG_PCI_SYS_MEM_SIZE,
+                       PCI_REGION_MEM | PCI_REGION_MEMORY);
+		       
+	hose->region_count = 3;
+
+	pci_setup_indirect(hose,
+			   (CFG_IMMRBAR+0x8300),
+			   (CFG_IMMRBAR+0x8304));
+
+	pci_register_hose(hose);
+
+	/*
+	 * Write to Command register
+	 */
+	reg16 = 0xff;
+	pci_hose_read_config_word (hose, PCI_BDF(0,0,0), PCI_COMMAND, 
+					&reg16);
+	reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+	pci_hose_write_config_word(hose, PCI_BDF(0,0,0), PCI_COMMAND, 
+					reg16);
+
+	/*
+	 * Clear non-reserved bits in status register.
+	 */
+	pci_hose_write_config_word(hose, PCI_BDF(0,0,0), PCI_STATUS, 
+					0xffff);
+	pci_hose_write_config_byte(hose, PCI_BDF(0,0,0), PCI_LATENCY_TIMER, 
+					0x80);
+
+#ifdef CONFIG_PCI_SCAN_SHOW
+	printf("PCI:   Bus Dev VenId DevId Class Int\n");
+#endif
+	/*
+	 * Hose scan.
+	 */
+	hose->last_busno = pci_hose_scan(hose);
+}
+#endif /* CONFIG_PCI */

board/tqm834x/tqm834x.c

@@ -30,10 +30,7 @@
 #include <spd.h>
 #include <miiphy.h>
 #include <asm-ppc/mmu.h>
-
-#if defined(CONFIG_PCI)
 #include <pci.h>
-#endif
 
 #define IOSYNC			asm("eieio")
 #define ISYNC			asm("isync")
@@ -145,37 +142,32 @@ int checkboard (void)
 	puts("Board: TQM834x\n");
 
 #ifdef CONFIG_PCI
-	printf("PCI1:  32 bit, %d MHz (compiled)\n",
-			CONFIG_SYS_CLK_FREQ / 1000000);
-#else
-	printf("PCI1:  disabled\n");
-#endif
-
-	return 0;
-}
-
-#if defined(CONFIG_PCI)
-/*
- * Initialize PCI Devices, report devices found
- */
+	DECLARE_GLOBAL_DATA_PTR;
+	volatile immap_t * immr;
+	u32 w, f;
 
-/* FIXME: No PCI support */
+	immr = (immap_t *)CFG_IMMRBAR;
+	if (!(immr->reset.rcwh & RCWH_PCIHOST)) {
+		printf("PCI:   NOT in host mode..?!\n");
+		return 0;
+	}
 
-#endif /* CONFIG_PCI */
+	/* get bus width */
+	w = 32;
+	if (immr->reset.rcwh & RCWH_PCI64) 
+		w = 64;
 
-/**************************************************************************
- * pci_init_board()
- */
-void
-pci_init_board(void)
-{
-#ifdef CONFIG_PCI
-	extern void pci_mpc83xx_init(volatile struct pci_controller *hose);
+	/* get clock */
+	f = gd->pci_clk;
 
-	pci_mpc83xx_init(hose);
-#endif /* CONFIG_PCI */
+	printf("PCI1:  %d bit, %d MHz\n", w, f / 1000000);
+#else
+	printf("PCI:   disabled\n");
+#endif
+	return 0;
 }
 
+
 /**************************************************************************
  *
  * Local functions

cpu/mpc83xx/Makefile

@@ -32,7 +32,6 @@ COBJS	= traps.o \
 	  cpu_init.o \
 	  speed.o \
 	  interrupts.o \
-	  pci.o \
 	  i2c.o \
 	  spd_sdram.o
 

cpu/mpc83xx/cpu.c

@@ -60,7 +60,9 @@ int checkcpu(void)
 		puts("Rev: Unknown\n");
 		return -1;	/* Not sure what this is */
 	}
-	printf("Rev: %02x at %s MHz\n",pvr & 0x0000FFFF, strmhz(buf, clock));
+	printf("Rev: %d.%d at %s MHz\n", (pvr & 0xf0) >> 4,
+		(pvr & 0x0f), strmhz(buf, clock));
+
 	return 0;
 }
 

cpu/mpc83xx/pci.c

@@ -1,252 +0,0 @@
-/*
- * Copyright 2004 Freescale Semiconductor.
- * Copyright (C) 2003 Motorola Inc.
- * Xianghua Xiao (x.xiao@motorola.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
- *
- * Change log:
- *
- * 20050101: Eran Liberty (liberty@freescale.com)
- *           Initial file creating (porting from 85XX & 8260)
- */
-
-/*
- * PCI Configuration space access support for MPC85xx PCI Bridge
- */
-#include <asm/mmu.h>
-#include <asm/io.h>
-#include <common.h>
-#include <pci.h>
-
-#if defined(CONFIG_MPC8349ADS) || defined(CONFIG_TQM834X)
-#include <asm/i2c.h>
-#endif
-
-#if defined(CONFIG_PCI)
-
-void
-pci_mpc83xx_init(volatile struct pci_controller *hose)
-{
-	volatile immap_t *	immr;
-	volatile clk8349_t *	clk;
-	volatile law8349_t *	pci_law;
-	volatile pot8349_t *	pci_pot;
-	volatile pcictrl8349_t *	pci_ctrl;
-	volatile pciconf8349_t *	pci_conf;
-
-	u8 val8,tmp8,ret;
-	u16 reg16,tmp16;
-	u32 val32,tmp32;
-
-	immr = (immap_t *)CFG_IMMRBAR;
-	clk = (clk8349_t *)&immr->clk;
-	pci_law = immr->sysconf.pcilaw;
-	pci_pot = immr->ios.pot;
-	pci_ctrl = immr->pci_ctrl;
-	pci_conf = immr->pci_conf;
-
-	/*
-	 * Configure PCI controller and PCI_CLK_OUTPUT both in 66M mode
-	 */
-	val32 = clk->occr;
-	udelay(2000);
-	clk->occr = 0xff000000;
-	udelay(2000);
-
-	/*
-	 * Configure PCI Local Access Windows
-	 */
-	pci_law[0].bar = CFG_PCI1_MEM_PHYS & LAWBAR_BAR;
-	pci_law[0].ar = LAWAR_EN | LAWAR_SIZE_1G;
-	pci_law[1].bar = CFG_PCI1_IO_PHYS & LAWBAR_BAR;
-	pci_law[1].ar = LAWAR_EN | LAWAR_SIZE_32M;
-
-	/*
-	 * Configure PCI Outbound Translation Windows
-	 */
-	pci_pot[0].potar = (CFG_PCI1_MEM_BASE >> 12) & POTAR_TA_MASK;
-	pci_pot[0].pobar = (CFG_PCI1_MEM_PHYS >> 12) & POBAR_BA_MASK;
-	pci_pot[0].pocmr = POCMR_EN | (POCMR_CM_512M & POCMR_CM_MASK);
-
-	/* mapped to PCI1 IO space 0x0 to local 0xe2000000  */
-	pci_pot[1].potar = (CFG_PCI1_IO_BASE >> 12) & POTAR_TA_MASK;
-	pci_pot[1].pobar = (CFG_PCI1_IO_PHYS >> 12) & POBAR_BA_MASK;
-	pci_pot[1].pocmr = POCMR_EN | POCMR_IO | (POCMR_CM_16M & POCMR_CM_MASK);
-
-	pci_pot[3].potar = (CFG_PCI2_MEM_BASE >> 12) & POTAR_TA_MASK;
-	pci_pot[3].pobar = (CFG_PCI2_MEM_PHYS >> 12) & POBAR_BA_MASK;
-	pci_pot[3].pocmr = POCMR_EN | POCMR_DST | (POCMR_CM_512M & POCMR_CM_MASK);
-
-	/* mapped to PCI2 IO space 0x0 to local 0xe3000000  */
-	pci_pot[4].potar = (CFG_PCI2_IO_BASE >> 12) & POTAR_TA_MASK;
-	pci_pot[4].pobar = (CFG_PCI2_IO_PHYS >> 12) & POBAR_BA_MASK;
-	pci_pot[4].pocmr = POCMR_EN | POCMR_DST | POCMR_IO | (POCMR_CM_16M & POCMR_CM_MASK);
-
-	/*
-	 * Configure PCI Inbound Translation Windows
-	 */
-	pci_ctrl[0].pitar1 = 0x0;
-	pci_ctrl[0].pibar1 = 0x0;
-	pci_ctrl[0].piebar1 = 0x0;
-	pci_ctrl[0].piwar1 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP | PIWAR_IWS_2G;
-
-	pci_ctrl[1].pitar1 = 0x0;
-	pci_ctrl[1].pibar1 = 0x0;
-	pci_ctrl[1].piebar1 = 0x0;
-	pci_ctrl[1].piwar1 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP | PIWAR_IWS_2G;
-	/*
-	 * Assign PIB PMC slot to desired PCI bus
-	 */
-#if defined(CONFIG_MPC8349ADS) || defined(CONFIG_TQM834X)
-	mpc8349_i2c = (i2c_t*)(CFG_IMMRBAR + CFG_I2C2_OFFSET);
-	i2c_init(CFG_I2C_SPEED,CFG_I2C_SLAVE);
-#endif
-	val8 = 0;
-	ret = i2c_write(0x23,0x6,1,&val8,1);
-	ret = i2c_write(0x23,0x7,1,&val8,1);
-	val8 = 0xff;
-	ret = i2c_write(0x23,0x2,1,&val8,1);
-	ret = i2c_write(0x23,0x3,1,&val8,1);
-
-	val8 = 0;
-	ret = i2c_write(0x26,0x6,1,&val8,1);
-	val8 = 0x34;
-	ret = i2c_write(0x26,0x7,1,&val8,1);
-#if defined(PCI_64BIT)
-	val8 = 0xf4;	/* PMC2<->PCI1  64bit */
-#elif defined(PCI_ALL_PCI1)
-	val8 = 0xf3;	/* PMC1<->PCI1,PMC2<->PCI1,PMC3<->PCI1  32bit */
-#elif defined(PCI_ONE_PCI1)
-	val8 = 0xf9;	/* PMC1<->PCI1,PMC2<->PCI2,PMC3<->PCI2  32bit */
-#elif defined(PCI_TWO_PCI1)
-	val8 = 0xf5;	/* PMC1<->PCI1,PMC2<->PCI1,PMC3<->PCI2 32bit */
-#else
-	val8 = 0xf5;
-#endif
-	ret = i2c_write(0x26,0x2,1,&val8,1);
-	val8 = 0xff;
-	ret = i2c_write(0x26,0x3,1,&val8,1);
-	val8 = 0;
-	ret = i2c_write(0x27,0x6,1,&val8,1);
-	ret = i2c_write(0x27,0x7,1,&val8,1);
-	val8 = 0xff;
-	ret = i2c_write(0x27,0x2,1,&val8,1);
-	val8 = 0xef;
-	ret = i2c_write(0x27,0x3,1,&val8,1);
-	asm("eieio");
-
-	/*
-	 * Release PCI RST Output signal
-	 */
-	udelay(2000);
-	pci_ctrl[0].gcr = 1;
-#ifndef PCI_64BIT
-	pci_ctrl[1].gcr = 1;
-#endif
-	udelay(2000);
-
-	hose[0].first_busno = 0;
-	hose[0].last_busno = 0xff;
-
-	pci_set_region(hose[0].regions + 0,
-		       CFG_PCI1_MEM_BASE,
-		       CFG_PCI1_MEM_PHYS,
-		       CFG_PCI1_MEM_SIZE,
-		       PCI_REGION_MEM);
-
-	pci_set_region(hose[0].regions + 1,
-		       CFG_PCI1_IO_BASE,
-		       CFG_PCI1_IO_PHYS,
-		       CFG_PCI1_IO_SIZE,
-		       PCI_REGION_IO);
-
-	hose[0].region_count = 2;
-
-	pci_setup_indirect(&hose[0],
-			   (CFG_IMMRBAR+0x8300),
-			   (CFG_IMMRBAR+0x8304));
-#define PCI_CLASS_BRIDGE	0x06
-	reg16 = 0xff;
-	tmp32 = 0xffff;
-	pci_hose_write_config_byte(&hose[0],PCI_BDF(0,0,0),PCI_CLASS_CODE,PCI_CLASS_BRIDGE);
-
-	pci_hose_read_config_word (&hose[0],PCI_BDF(0,0,0),PCI_COMMAND, &reg16);
-	reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
-	pci_hose_write_config_word(&hose[0],PCI_BDF(0,0,0), PCI_COMMAND, reg16);
-
-	/*
-	 * Clear non-reserved bits in status register.
-	 */
-	pci_hose_write_config_word(&hose[0],PCI_BDF(0,0,0), PCI_STATUS, 0xffff);
-	pci_hose_write_config_byte(&hose[0],PCI_BDF(0,0,0), PCI_LATENCY_TIMER,0x80);
-#ifndef PCI_64BIT
-	hose[1].first_busno = 0;
-	hose[1].last_busno = 0xff;
-
-	pci_set_region(hose[1].regions + 0,
-		       CFG_PCI2_MEM_BASE,
-		       CFG_PCI2_MEM_PHYS,
-		       CFG_PCI2_MEM_SIZE,
-		       PCI_REGION_MEM);
-
-	pci_set_region(hose[1].regions + 1,
-		       CFG_PCI2_IO_BASE,
-		       CFG_PCI2_IO_PHYS,
-		       CFG_PCI2_IO_SIZE,
-		       PCI_REGION_IO);
-
-	hose[1].region_count = 2;
-
-	pci_setup_indirect(&hose[1],
-			   (CFG_IMMRBAR+0x8380),
-			   (CFG_IMMRBAR+0x8384));
-
-	pci_hose_write_config_byte(&hose[1],PCI_BDF(0,0,0),PCI_CLASS_CODE,PCI_CLASS_BRIDGE);
-	pci_hose_read_config_word (&hose[1],PCI_BDF(0,0,0), PCI_COMMAND, &reg16);
-	reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
-	pci_hose_write_config_word(&hose[1],PCI_BDF(0,0,0), PCI_COMMAND, reg16);
-
-	/*
-	 * Clear non-reserved bits in status register.
-	 */
-	pci_hose_write_config_word(&hose[1],PCI_BDF(0,0,0), PCI_STATUS, 0xffff);
-	pci_hose_write_config_byte(&hose[1],PCI_BDF(0,0,0), PCI_LATENCY_TIMER,0x80);
-#endif
-
-#if defined(PCI_64BIT)
-	printf("PCI1 64bit on PMC2\n");
-#elif defined(PCI_ALL_PCI1)
-	printf("PCI1 32bit on PMC1 & PMC2 & PMC3\n");
-#elif defined(PCI_ONE_PCI1)
-	printf("PCI1 32bit on PMC1,PCI2 32bit on PMC2 & PMC3\n");
-#else
-	printf("PCI1 32bit on PMC1 & PMC2 & PMC3 in default\n");
-#endif
-
-#if 1
-	/*
-	 * Hose scan.
-	 */
-	pci_register_hose(hose);
-	hose->last_busno = pci_hose_scan(hose);
-#endif
-}
-
-#endif /* CONFIG_PCI */

cpu/mpc83xx/speed.c

@@ -329,6 +329,7 @@ int get_clocks (void)
 	gd->lbiu_clk   = lbiu_clk  ;
 	gd->lclk_clk   = lclk_clk  ;
 	gd->ddr_clk    = ddr_clk   ;
+	gd->pci_clk    = pci_sync_in;
 
 	gd->cpu_clk = gd->core_clk;
 	gd->bus_clk = gd->lbiu_clk;

drivers/pci.c

@@ -142,7 +142,7 @@ struct pci_controller *pci_bus_to_hose (int bus)
 		if (bus >= hose->first_busno && bus <= hose->last_busno)
 			return hose;
 
-	debug ("pci_bus_to_hose() failed\n");
+	printf("pci_bus_to_hose() failed\n");
 	return NULL;
 }
 

drivers/pci_auto.c

@@ -319,7 +319,18 @@ int pciauto_config_device(struct pci_controller *hose, pci_dev_t dev)
 		       PCI_DEV(dev));
 		break;
 #endif
-
+#ifdef CONFIG_MPC834X
+	case PCI_CLASS_BRIDGE_OTHER:
+		/*
+		 * The host/PCI bridge 1 seems broken in 8349 - it presents
+		 * itself as 'PCI_CLASS_BRIDGE_OTHER' and appears as an _agent_
+		 * device claiming resources io/mem/irq.. we only allow for
+		 * the PIMMR window to be allocated (BAR0 - 1MB size)
+		 */
+		DEBUGF("PCI Autoconfig: Broken bridge found, only minimal config\n");
+		pciauto_setup_device(hose, dev, 0, hose->pci_mem, hose->pci_io);
+		break;
+#endif
 	default:
 		pciauto_setup_device(hose, dev, 6, hose->pci_mem, hose->pci_io);
 		break;

include/asm-ppc/global_data.h

@@ -62,6 +62,7 @@ typedef	struct	global_data {
 	u32 lbiu_clk;
 	u32 lclk_clk;
 	u32 ddr_clk;
+	u32 pci_clk;
 #endif
 #if defined(CONFIG_MPC5xxx)
 	unsigned long	ipb_clk;

include/asm-ppc/immap_83xx.h

@@ -28,43 +28,6 @@ typedef struct law8349 {
 #define LAWBAR_BAR         0xFFFFF000
 #define LAWBAR_RES	     ~(LAWBAR_BAR)
 	u32 ar; /* LBIU local access window attribute register */
-/*
- * This Macro were moved into mmu.h
- */
-#if 0
-/* 0 The local bus local access window n is disabled. 1 The local bus
- * local access window n is enabled and other LBLAWAR0 and LBLAWBAR0 fields
- * combine to identify an address range for this window.
- */
-#define LAWAR_EN           0x80000000
-/* Identifies the size of the window from the starting address. Window
- * size is 2^(SIZE+1) bytes. 000000–001010Reserved. Window is
- * undefined.
- */
-#define LAWAR_SIZE         0x0000003F
-#define	LAWAR_SIZE_4K	0x0000000B
-#define	LAWAR_SIZE_8K	0x0000000C
-#define	LAWAR_SIZE_16K	0x0000000D
-#define	LAWAR_SIZE_32K	0x0000000E
-#define	LAWAR_SIZE_64K	0x0000000F
-#define	LAWAR_SIZE_128K	0x00000010
-#define	LAWAR_SIZE_256K	0x00000011
-#define	LAWAR_SIZE_512K	0x00000012
-#define	LAWAR_SIZE_1M	0x00000013
-#define	LAWAR_SIZE_2M	0x00000014
-#define	LAWAR_SIZE_4M	0x00000015
-#define	LAWAR_SIZE_8M	0x00000016
-#define	LAWAR_SIZE_16M	0x00000017
-#define	LAWAR_SIZE_32M	0x00000018
-#define	LAWAR_SIZE_64M	0x00000019
-#define	LAWAR_SIZE_128M	0x0000001A
-#define	LAWAR_SIZE_256M	0x0000001B
-#define	LAWAR_SIZE_512M	0x0000001C
-#define	LAWAR_SIZE_1G	0x0000001D
-#define	LAWAR_SIZE_2G	0x0000001E
-#define LAWAR_RES          ~(LAWAR_EN|LAWAR_SIZE)
-#endif
-
 } law8349_t;
 
 /*

include/configs/TQM834x.h

@@ -122,6 +122,7 @@ extern int tqm834x_num_flash_banks;
 #define CFG_OR0_PRELIM		(CFG_PRELIM_OR_AM  | CFG_OR_TIMING_FLASH)
 
 #define CFG_LBLAWAR0_PRELIM	0x8000001D	/* 1 GiB window size (2^(size + 1)) */
+
 #define CFG_LBLAWBAR0_PRELIM	CFG_FLASH_BASE	/* Window base at flash base */
 
 /* disable remaining mappings */
@@ -241,7 +242,7 @@ extern int tqm834x_num_flash_banks;
 #if defined(CONFIG_TSEC_ENET)
 
 #ifndef CONFIG_NET_MULTI
-#define CONFIG_NET_MULTI		1
+#define CONFIG_NET_MULTI
 #endif
 
 #define CONFIG_MPC83XX_TSEC1		1
@@ -262,45 +263,32 @@ extern int tqm834x_num_flash_banks;
  * General PCI
  * Addresses are mapped 1-1.
  */
-/* FIXME: Real PCI support will come in a follow-up update. */
-#undef CONFIG_PCI
-
-#define CFG_PCI1_MEM_BASE	0x80000000
-#define CFG_PCI1_MEM_PHYS	CFG_PCI1_MEM_BASE
-#define CFG_PCI1_MEM_SIZE	0x20000000	/* 512M */
-#define CFG_PCI1_IO_BASE	0x00000000
-#define CFG_PCI1_IO_PHYS	0xe2000000
-#define CFG_PCI1_IO_SIZE	0x1000000	/* 16M */
-
-#define CFG_PCI2_MEM_BASE	0xA0000000
-#define CFG_PCI2_MEM_PHYS	CFG_PCI2_MEM_BASE
-#define CFG_PCI2_MEM_SIZE	0x20000000	/* 512M */
-#define CFG_PCI2_IO_BASE	0x00000000
-#define CFG_PCI2_IO_PHYS	0xe3000000
-#define CFG_PCI2_IO_SIZE	0x1000000	/* 16M */
+#define CONFIG_PCI
+
 #if defined(CONFIG_PCI)
 
-#define PCI_ALL_PCI1
-#if defined(PCI_64BIT)
-#undef PCI_ALL_PCI1
-#undef PCI_TWO_PCI1
-#undef PCI_ONE_PCI1
-#endif
+#define CONFIG_PCI_PNP                  /* do pci plug-and-play */
+#define CONFIG_PCI_SCAN_SHOW            /* show pci devices on startup */
+
+/* PCI1 host bridge */
+#define CFG_PCI1_MEM_BASE       0xc0000000
+#define CFG_PCI1_MEM_PHYS       CFG_PCI1_MEM_BASE
+#define CFG_PCI1_MEM_SIZE       0x20000000      /* 512M */
+#define CFG_PCI1_IO_BASE        0xe2000000
+#define CFG_PCI1_IO_PHYS        CFG_PCI1_IO_BASE
+#define CFG_PCI1_IO_SIZE        0x1000000       /* 16M */
 
-#define CONFIG_NET_MULTI
-#define CONFIG_PCI_PNP		/* do pci plug-and-play */
 
 #undef CONFIG_EEPRO100
 #undef CONFIG_TULIP
 
 #if !defined(CONFIG_PCI_PNP)
-	#define PCI_ENET0_IOADDR	0xFIXME
-	#define PCI_ENET0_MEMADDR	0xFIXME
-	#define PCI_IDSEL_NUMBER	0x0c 	/* slot0->3(IDSEL)=12->15 */
+	#define PCI_ENET0_IOADDR	CFG_PCI1_IO_BASE
+	#define PCI_ENET0_MEMADDR	CFG_PCI1_MEM_BASE
+	#define PCI_IDSEL_NUMBER	0x1c    /* slot0 (IDSEL) = 28 */
 #endif
 
-#undef CONFIG_PCI_SCAN_SHOW			/* show pci devices on startup */
-#define CFG_PCI_SUBSYS_VENDORID		0x1057  /* Motorola */
+#define CFG_PCI_SUBSYS_VENDORID		0x1957  /* Freescale */
 
 #endif	/* CONFIG_PCI */
 
@@ -418,7 +406,7 @@ extern int tqm834x_num_flash_banks;
 	HRCWH_PCI_HOST |\
 	HRCWH_32_BIT_PCI |\
 	HRCWH_PCI1_ARBITER_ENABLE |\
-	HRCWH_PCI2_ARBITER_ENABLE |\
+	HRCWH_PCI2_ARBITER_DISABLE |\
 	HRCWH_CORE_ENABLE |\
 	HRCWH_FROM_0X00000100 |\
 	HRCWH_BOOTSEQ_DISABLE |\