[U-Boot-Users] [PATCH] mpc83xx: Split PIB init code from pci.c and add Qoc3 ATM card support

17 Aug 2007

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 |  101 +++++++++++++++++++++++++++++++++++
 board/freescale/common/pq-mds-pib.h |    9 +++
 board/mpc832xemds/Makefile          |    2 +-
 board/mpc832xemds/mpc832xemds.c     |   11 ++++
 board/mpc832xemds/pci.c             |   40 --------------
 board/mpc8360emds/Makefile          |    2 +-
 board/mpc8360emds/mpc8360emds.c     |   11 ++++
 board/mpc8360emds/pci.c             |   40 --------------
 include/configs/MPC832XEMDS.h       |    3 +
 include/configs/MPC8360EMDS.h       |    7 ++-
 10 files changed, 142 insertions(+), 84 deletions(-)
 create mode 100644 board/freescale/common/pq-mds-pib.c
 create mode 100644 board/freescale/common/pq-mds-pib.h

diff --git a/board/freescale/common/pq-mds-pib.c b/board/freescale/common/pq-mds-pib.c
new file mode 100644
index 0000000..9799117
--- /dev/null
+++ b/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;
+}
diff --git a/board/freescale/common/pq-mds-pib.h b/board/freescale/common/pq-mds-pib.h
new file mode 100644
index 0000000..67066fd
--- /dev/null
+++ b/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);
diff --git a/board/mpc832xemds/Makefile b/board/mpc832xemds/Makefile
index 5ec7a87..4da74b8 100644
--- a/board/mpc832xemds/Makefile
+++ b/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))
diff --git a/board/mpc832xemds/mpc832xemds.c b/board/mpc832xemds/mpc832xemds.c
index 772da67..a049a14 100644
--- a/board/mpc832xemds/mpc832xemds.c
+++ b/board/mpc832xemds/mpc832xemds.c
@@ -30,6 +30,9 @@
 #if defined(CONFIG_OF_FLAT_TREE)
 #include <ft_build.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 */
@@ -86,6 +89,14 @@ 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)
diff --git a/board/mpc832xemds/pci.c b/board/mpc832xemds/pci.c
index d0a407a..dd92682 100644
--- a/board/mpc832xemds/pci.c
+++ b/board/mpc832xemds/pci.c
@@ -129,7 +129,6 @@ 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;
@@ -198,43 +197,6 @@ void pci_init_board(void)
        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
     */
    udelay(2000);
@@ -290,8 +252,6 @@ 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.
     */
diff --git a/board/mpc8360emds/Makefile b/board/mpc8360emds/Makefile
index 5ec7a87..4da74b8 100644
--- a/board/mpc8360emds/Makefile
+++ b/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))
diff --git a/board/mpc8360emds/mpc8360emds.c b/board/mpc8360emds/mpc8360emds.c
index 3fa093d..210d62d 100644
--- a/board/mpc8360emds/mpc8360emds.c
+++ b/board/mpc8360emds/mpc8360emds.c
@@ -31,6 +31,9 @@
 #include <libfdt.h>
 #include <libfdt_env.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 */
@@ -107,6 +110,14 @@ 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
diff --git a/board/mpc8360emds/pci.c b/board/mpc8360emds/pci.c
index 8f90471..83f6b2c 100644
--- a/board/mpc8360emds/pci.c
+++ b/board/mpc8360emds/pci.c
@@ -132,7 +132,6 @@ 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;
@@ -201,43 +200,6 @@ void pci_init_board(void)
        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
     */
    udelay(2000);
@@ -293,8 +255,6 @@ 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.
     */
diff --git a/include/configs/MPC832XEMDS.h b/include/configs/MPC832XEMDS.h
index f62ca2c..96a302c 100644
--- a/include/configs/MPC832XEMDS.h
+++ b/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
diff --git a/include/configs/MPC8360EMDS.h b/include/configs/MPC8360EMDS.h
index 4b32a14..094b66e 100644
--- a/include/configs/MPC8360EMDS.h
+++ b/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 */
/*
-- 
1.5.1







    

Tony Li

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