mpc83xx: Split PIB init code from pci.c and add Qoc3 ATM card support

The patch split the PIB init code from pci.c to a single file board/freescale/common/pq-mds-pib.c
And add Qoc3 ATM card support for MPC8360EMDS and MPC832XEMDS board.

Signed-off-by Tony Li <tony.li@freescale.com>

board/freescale/common/pq-mds-pib.c

@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2007 Freescale Semiconductor, Inc.
+ *
+ * Tony Li <tony.li@freescale.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <asm/io.h>
+
+#include "pq-mds-pib.h"
+
+int pib_init(void)
+{
+	u8 val8;
+	u8 orig_i2c_bus;
+
+	/* Switch temporarily to I2C bus #2 */
+	orig_i2c_bus = i2c_get_bus_num();
+	i2c_set_bus_num(1);
+#if defined(CONFIG_PCI) && !defined(CONFIG_PCISLAVE)
+	/* Assign PIB PMC slot to desired PCI bus */
+	val8 = 0;
+	i2c_write(0x23, 0x6, 1, &val8, 1);
+	i2c_write(0x23, 0x7, 1, &val8, 1);
+	val8 = 0xff;
+	i2c_write(0x23, 0x2, 1, &val8, 1);
+	i2c_write(0x23, 0x3, 1, &val8, 1);
+
+	val8 = 0;
+	i2c_write(0x26, 0x6, 1, &val8, 1);
+	val8 = 0x34;
+	i2c_write(0x26, 0x7, 1, &val8, 1);
+#if defined(CONFIG_MPC832XEMDS)
+	val8 = 0xf9;            /* PMC2, PMC3 slot to PCI bus */
+#else
+	val8 = 0xf3;		/* PMC1, PMC2, PMC3 slot to PCI bus */
+#endif
+	i2c_write(0x26, 0x2, 1, &val8, 1);
+	val8 = 0xff;
+	i2c_write(0x26, 0x3, 1, &val8, 1);
+
+	val8 = 0;
+	i2c_write(0x27, 0x6, 1, &val8, 1);
+	i2c_write(0x27, 0x7, 1, &val8, 1);
+	val8 = 0xff;
+	i2c_write(0x27, 0x2, 1, &val8, 1);
+	val8 = 0xef;
+	i2c_write(0x27, 0x3, 1, &val8, 1);
+
+	eieio();
+
+#if defined(CONFIG_MPC832XEMDS)
+	printf("PCI 32bit bus on PMC2 &PMC3\n");
+#else
+	printf("PCI 32bit bus on PMC1 & PMC2 &PMC3\n");
+#endif
+#endif
+
+#if defined(CONFIG_PQ_MDS_PIB_ATM)
+#if defined(CONFIG_MPC8360EMDS)
+	val8 = 0;
+	i2c_write(0x20, 0x6, 1, &val8, 1);
+	i2c_write(0x20, 0x7, 1, &val8, 1);
+
+	val8 = 0xdf;
+	i2c_write(0x20, 0x2, 1, &val8, 1);
+	val8 = 0xf7;
+	i2c_write(0x20, 0x3, 1, &val8, 1);
+
+	eieio();
+
+	printf("QOC3 ATM card on PMC0\n");
+#elif defined(CONFIG_MPC832XEMDS)
+	val = 0;
+	i2c_write(0x26, 0x7, 1, &val, 1);
+	val = 0xf7;
+	i2c_write(0x26, 0x3, 1, &val, 1);
+
+	val = 0;
+	i2c_write(0x21, 0x6, 1, &val, 1);
+	i2c_write(0x21, 0x7, 1, &val, 1);
+
+	val = 0xdf;
+	i2c_write(0x21, 0x2, 1, &val, 1);
+	val = 0xef;
+	i2c_write(0x21, 0x3, 1, &val, 1);
+
+	eieio();
+
+	printf("QOC3 ATM card on PMC1\n");
+#endif
+#endif
+	/* Reset to original I2C bus */
+	i2c_set_bus_num(orig_i2c_bus);
+	return 0;
+}

board/freescale/common/pq-mds-pib.h

@@ -0,0 +1,9 @@
+/*
+ * Copyright (C) 2007 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ */
+
+extern int pib_init(void);

board/mpc832xemds/Makefile

@@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	:= $(BOARD).o pci.o
+COBJS	:= $(BOARD).o pci.o ../freescale/common/pq-mds-pib.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))

board/mpc832xemds/mpc832xemds.c

@@ -32,6 +32,9 @@
 #elif defined(CONFIG_OF_LIBFDT)
 #include <libfdt.h>
 #endif
+#if defined(CONFIG_PQ_MDS_PIB)
+#include "../freescale/common/pq-mds-pib.h"
+#endif
 
 const qe_iop_conf_t qe_iop_conf_tab[] = {
 	/* ETH3 */
@@ -88,6 +91,14 @@ int board_early_init_f(void)
 	return 0;
 }
 
+int board_early_init_r(void)
+{
+#ifdef CONFIG_PQ_MDS_PIB
+	pib_init();
+#endif
+	return 0;
+}
+
 int fixed_sdram(void);
 
 long int initdram(int board_type)

board/mpc832xemds/pci.c

@@ -131,7 +131,6 @@ void pci_init_board(void)
 	volatile pcictrl83xx_t *pci_ctrl;
 	volatile pciconf83xx_t *pci_conf;
 
-	u8 val8, orig_i2c_bus;
 	u16 reg16;
 	u32 val32;
 	u32 dev;
@@ -199,43 +198,6 @@ void pci_init_board(void)
 	    PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP |
 	    PIWAR_IWS_2G;
 
-	/*
-	 * Assign PIB PMC slot to desired PCI bus
-	 */
-
-	/* Switch temporarily to I2C bus #2 */
-	orig_i2c_bus = i2c_get_bus_num();
-	i2c_set_bus_num(1);
-
-	val8 = 0;
-	i2c_write(0x23, 0x6, 1, &val8, 1);
-	i2c_write(0x23, 0x7, 1, &val8, 1);
-	val8 = 0xff;
-	i2c_write(0x23, 0x2, 1, &val8, 1);
-	i2c_write(0x23, 0x3, 1, &val8, 1);
-
-	val8 = 0;
-	i2c_write(0x26, 0x6, 1, &val8, 1);
-	val8 = 0x34;
-	i2c_write(0x26, 0x7, 1, &val8, 1);
-
-	val8 = 0xf9;		/* PMC2, PMC3 slot to PCI bus */
-	i2c_write(0x26, 0x2, 1, &val8, 1);
-	val8 = 0xff;
-	i2c_write(0x26, 0x3, 1, &val8, 1);
-
-	val8 = 0;
-	i2c_write(0x27, 0x6, 1, &val8, 1);
-	i2c_write(0x27, 0x7, 1, &val8, 1);
-	val8 = 0xff;
-	i2c_write(0x27, 0x2, 1, &val8, 1);
-	val8 = 0xef;
-	i2c_write(0x27, 0x3, 1, &val8, 1);
-	asm("eieio");
-
-	/* Reset to original I2C bus */
-	i2c_set_bus_num(orig_i2c_bus);
-
 	/*
 	 * Release PCI RST Output signal
 	 */
@@ -292,8 +254,6 @@ void pci_init_board(void)
 	pci_hose_write_config_byte(&hose[0], dev, PCI_LATENCY_TIMER, 0x80);
 	pci_hose_write_config_byte(&hose[0], dev, PCI_CACHE_LINE_SIZE, 0x08);
 
-	printf("PCI 32bit bus on PMC2 & PMC3\n");
-
 	/*
 	 * Hose scan.
 	 */

board/mpc8360emds/Makefile

@@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	:= $(BOARD).o pci.o
+COBJS	:= $(BOARD).o pci.o ../freescale/common/pq-mds-pib.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))

board/mpc8360emds/mpc8360emds.c

@@ -30,6 +30,9 @@
 #elif defined(CONFIG_OF_LIBFDT)
 #include <libfdt.h>
 #endif
+#if defined(CONFIG_PQ_MDS_PIB)
+#include "../freescale/common/pq-mds-pib.h"
+#endif
 
 const qe_iop_conf_t qe_iop_conf_tab[] = {
 	/* GETH1 */
@@ -106,6 +109,14 @@ int board_early_init_f(void)
 	return 0;
 }
 
+int board_early_init_r(void)
+{
+#ifdef CONFIG_PQ_MDS_PIB
+	pib_init();
+#endif
+	return 0;
+}
+
 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
 extern void ddr_enable_ecc(unsigned int dram_size);
 #endif

board/mpc8360emds/pci.c

@@ -131,7 +131,6 @@ void pci_init_board(void)
 	volatile pcictrl83xx_t *pci_ctrl;
 	volatile pciconf83xx_t *pci_conf;
 
-	u8 val8, orig_i2c_bus;
 	u16 reg16;
 	u32 val32;
 	u32 dev;
@@ -199,43 +198,6 @@ void pci_init_board(void)
 	    PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP |
 	    PIWAR_IWS_2G;
 
-	/*
-	 * Assign PIB PMC slot to desired PCI bus
-	 */
-
-	/* Switch temporarily to I2C bus #2 */
-	orig_i2c_bus = i2c_get_bus_num();
-	i2c_set_bus_num(1);
-
-	val8 = 0;
-	i2c_write(0x23, 0x6, 1, &val8, 1);
-	i2c_write(0x23, 0x7, 1, &val8, 1);
-	val8 = 0xff;
-	i2c_write(0x23, 0x2, 1, &val8, 1);
-	i2c_write(0x23, 0x3, 1, &val8, 1);
-
-	val8 = 0;
-	i2c_write(0x26, 0x6, 1, &val8, 1);
-	val8 = 0x34;
-	i2c_write(0x26, 0x7, 1, &val8, 1);
-
-	val8 = 0xf3;		/*PMC1, PMC2, PMC3 slot to PCI bus */
-	i2c_write(0x26, 0x2, 1, &val8, 1);
-	val8 = 0xff;
-	i2c_write(0x26, 0x3, 1, &val8, 1);
-
-	val8 = 0;
-	i2c_write(0x27, 0x6, 1, &val8, 1);
-	i2c_write(0x27, 0x7, 1, &val8, 1);
-	val8 = 0xff;
-	i2c_write(0x27, 0x2, 1, &val8, 1);
-	val8 = 0xef;
-	i2c_write(0x27, 0x3, 1, &val8, 1);
-	asm("eieio");
-
-	/* Reset to original I2C bus */
-	i2c_set_bus_num(orig_i2c_bus);
-
 	/*
 	 * Release PCI RST Output signal
 	 */
@@ -292,8 +254,6 @@ void pci_init_board(void)
 	pci_hose_write_config_byte(&hose[0], dev, PCI_LATENCY_TIMER, 0x80);
 	pci_hose_write_config_byte(&hose[0], dev, PCI_CACHE_LINE_SIZE, 0x08);
 
-	printf("PCI 32bit bus on PMC1 & PMC2 & PMC3\n");
-
 	/*
 	 * Hose scan.
 	 */

include/configs/MPC832XEMDS.h

@@ -30,6 +30,8 @@
 #define CONFIG_MPC83XX		1	/* MPC83xx family */
 #define CONFIG_MPC832X		1	/* MPC832x CPU specific */
 #define CONFIG_MPC832XEMDS	1	/* MPC832XEMDS board specific */
+#undef CONFIG_PQ_MDS_PIB /* POWERQUICC MDS Platform IO Board */
+#undef CONFIG_PQ_MDS_PIB_ATM	/* QOC3 ATM card */
 
 /*
  * System Clock Setup
@@ -87,6 +89,7 @@
 #define CFG_SICRL		0x00000000
 
 #define CONFIG_BOARD_EARLY_INIT_F	/* call board_pre_init */
+#define CONFIG_BOARD_EARLY_INIT_R
 
 /*
  * IMMR new address

include/configs/MPC8360EMDS.h

@@ -32,6 +32,8 @@
 #define CONFIG_MPC83XX		1 /* MPC83XX family */
 #define CONFIG_MPC8360		1 /* MPC8360 CPU specific */
 #define CONFIG_MPC8360EMDS	1 /* MPC8360EMDS board specific */
+#undef CONFIG_PQ_MDS_PIB /* POWERQUICC MDS Platform IO Board */
+#undef CONFIG_PQ_MDS_PIB_ATM /* QOC3 ATM card */
 
 /*
  * System Clock Setup
@@ -88,6 +90,7 @@
 #define CFG_SICRL		0x40000000
 
 #define CONFIG_BOARD_EARLY_INIT_F /* call board_pre_init */
+#define CONFIG_BOARD_EARLY_INIT_R
 
 /*
  * IMMR new address
@@ -309,13 +312,13 @@
 /*
  * CS4 on Local Bus, to PIB
  */
-#define CFG_BR4_PRELIM	0xf8008801 /* CS4 base address at 0xf8008000 */
+#define CFG_BR4_PRELIM	0xf8010801 /* CS4 base address at 0xf8010000 */
 #define CFG_OR4_PRELIM	0xffffe9f7 /* size 32KB, port size 8bit, GPCM */
 
 /*
  * CS5 on Local Bus, to PIB
  */
-#define CFG_BR5_PRELIM	0xf8010801 /* CS5 base address at 0xf8010000 */
+#define CFG_BR5_PRELIM	0xf8008801 /* CS5 base address at 0xf8008000 */
 #define CFG_OR5_PRELIM	0xffffe9f7 /* size 32KB, port size 8bit, GPCM */
 
 /*