[U-Boot] [PATCH v2] Nand boot: Add nand boot support for MPC8569mds board

Liu Yu
2010-01-18T11:03:28Z

This patch add nand boot support for MPC8569mds board.

Signed-off-by: Liu Yu <yu.liu@freescale.com>
---
v2:
change subject and commit message.

MAKEALL | 1 +
Makefile | 3 +-
board/freescale/mpc8569mds/config.mk | 9 ++
board/freescale/mpc8569mds/tlb.c | 11 ++
include/configs/MPC8569MDS.h | 64 +++++++++++-
nand_spl/board/freescale/mpc8569mds/Makefile | 133 +++++++++++++++++++++++
nand_spl/board/freescale/mpc8569mds/nand_boot.c | 75 +++++++++++++
7 files changed, 292 insertions(+), 4 deletions(-)
create mode 100644 nand_spl/board/freescale/mpc8569mds/Makefile
create mode 100644 nand_spl/board/freescale/mpc8569mds/nand_boot.c

diff --git a/MAKEALL b/MAKEALL
index a6d0f20..2b303f8 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -403,6 +403,7 @@ LIST_85xx=" \
MPC8560ADS \
MPC8568MDS \
MPC8569MDS \
+ MPC8569MDS_NAND \
MPC8572DS \
MPC8572DS_36BIT \
P2020DS \
diff --git a/Makefile b/Makefile
index 1abe64a..3e3d11b 100644
--- a/Makefile
+++ b/Makefile
@@ -2477,8 +2477,9 @@ MPC8555CDS_config: unconfig
MPC8568MDS_config: unconfig
@$(MKCONFIG) $(@:_config=) ppc mpc85xx mpc8568mds freescale

+MPC8569MDS_NAND_config \
MPC8569MDS_config: unconfig
- @$(MKCONFIG) $(@:_config=) ppc mpc85xx mpc8569mds freescale
+ @$(MKCONFIG) -t $(@:_config=) MPC8569MDS ppc mpc85xx mpc8569mds freescale

MPC8572DS_36BIT_config \
MPC8572DS_config: unconfig
diff --git a/board/freescale/mpc8569mds/config.mk b/board/freescale/mpc8569mds/config.mk
index 962f79b..7de0f7c 100644
--- a/board/freescale/mpc8569mds/config.mk
+++ b/board/freescale/mpc8569mds/config.mk
@@ -23,4 +23,13 @@
#
# mpc8569mds board
#
+ifndef NAND_SPL
+ifeq ($(CONFIG_MK_NAND), y)
+TEXT_BASE = $(CONFIG_RAMBOOT_TEXT_BASE)
+LDSCRIPT := $(TOPDIR)/cpu/$(CPU)/u-boot-nand.lds
+endif
+endif
+
+ifndef TEXT_BASE
TEXT_BASE = 0xfff80000
+endif
diff --git a/board/freescale/mpc8569mds/tlb.c b/board/freescale/mpc8569mds/tlb.c
index 3b8ee05..73dcc3e 100644
--- a/board/freescale/mpc8569mds/tlb.c
+++ b/board/freescale/mpc8569mds/tlb.c
@@ -90,6 +90,17 @@ struct fsl_e_tlb_entry tlb_table[] = {
SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 4, BOOKE_PAGESZ_64M, 1),
+
+#if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR)
+ /* *I*G - L2SRAM */
+ SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 5, BOOKE_PAGESZ_256K, 1),
+ SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR + 0x40000,
+ CONFIG_SYS_INIT_L2_ADDR_PHYS + 0x40000,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 6, BOOKE_PAGESZ_256K, 1),
+#endif
};

int num_tlb_entries = ARRAY_SIZE(tlb_table);
diff --git a/include/configs/MPC8569MDS.h b/include/configs/MPC8569MDS.h
index e16f0e1..8d68cab 100644
--- a/include/configs/MPC8569MDS.h
+++ b/include/configs/MPC8569MDS.h
@@ -57,6 +57,12 @@ extern unsigned long get_clock_freq(void);
#define CONFIG_L2_CACHE /* toggle L2 cache */
#define CONFIG_BTB /* toggle branch predition */

+#ifdef CONFIG_MK_NAND
+#define CONFIG_NAND_U_BOOT 1
+#define CONFIG_RAMBOOT_NAND 1
+#define CONFIG_RAMBOOT_TEXT_BASE 0xf8f82000
+#endif
+
/*
* Only possible on E500 Version 2 or newer cores.
*/
@@ -69,16 +75,29 @@ extern unsigned long get_clock_freq(void);
#define CONFIG_SYS_MEMTEST_END 0x00400000

/*
+ * Config the L2 Cache as L2 SRAM
+ */
+#define CONFIG_SYS_INIT_L2_ADDR 0xf8f80000
+#define CONFIG_SYS_INIT_L2_ADDR_PHYS CONFIG_SYS_INIT_L2_ADDR
+#define CONFIG_SYS_L2_SIZE (512 << 10)
+#define CONFIG_SYS_INIT_L2_END (CONFIG_SYS_INIT_L2_ADDR + CONFIG_SYS_L2_SIZE)
+
+/*
* Base addresses -- Note these are effective addresses where the
* actual resources get mapped (not physical addresses)
*/
-#define CONFIG_SYS_CCSRBAR_DEFAULT 0xff700000 /* CCSRBAR Default */
#define CONFIG_SYS_CCSRBAR 0xe0000000 /* relocated CCSRBAR */
#define CONFIG_SYS_CCSRBAR_PHYS CONFIG_SYS_CCSRBAR
/* physical addr of CCSRBAR */
#define CONFIG_SYS_IMMR CONFIG_SYS_CCSRBAR
/* PQII uses CONFIG_SYS_IMMR */

+#if defined(CONFIG_RAMBOOT_NAND) && !defined(CONFIG_NAND_SPL)
+#define CONFIG_SYS_CCSRBAR_DEFAULT CONFIG_SYS_CCSRBAR
+#else
+#define CONFIG_SYS_CCSRBAR_DEFAULT 0xff700000 /* CCSRBAR Default */
+#endif
+
#define CONFIG_SYS_PCI1_ADDR (CONFIG_SYS_CCSRBAR+0x8000)
#define CONFIG_SYS_PCIE1_ADDR (CONFIG_SYS_CCSRBAR+0xa000)

@@ -147,8 +166,8 @@ extern unsigned long get_clock_freq(void);
#define CONFIG_SYS_BCSR_BASE_PHYS CONFIG_SYS_BCSR_BASE

/*Chip select 0 - Flash*/
-#define CONFIG_SYS_BR0_PRELIM 0xfe000801
-#define CONFIG_SYS_OR0_PRELIM 0xfe000ff7
+#define CONFIG_FLASH_BR_PRELIM 0xfe000801
+#define CONFIG_FLASH_OR_PRELIM 0xfe000ff7

/*Chip select 1 - BCSR*/
#define CONFIG_SYS_BR1_PRELIM 0xf8000801
@@ -170,12 +189,33 @@ extern unsigned long get_clock_freq(void);

#define CONFIG_SYS_MONITOR_BASE TEXT_BASE /* start of monitor */

+#if defined(CONFIG_SYS_SPL) || defined(CONFIG_RAMBOOT_NAND)
+#define CONFIG_SYS_RAMBOOT
+#else
+#undef CONFIG_SYS_RAMBOOT
+#endif
+
#define CONFIG_FLASH_CFI_DRIVER
#define CONFIG_SYS_FLASH_CFI
#define CONFIG_SYS_FLASH_EMPTY_INFO

/* Chip select 3 - NAND */
+#ifndef CONFIG_NAND_SPL
#define CONFIG_SYS_NAND_BASE 0xFC000000
+#else
+#define CONFIG_SYS_NAND_BASE 0xFFF00000
+#endif
+
+/* NAND boot: 4K NAND loader config */
+#define CONFIG_SYS_NAND_SPL_SIZE 0x1000
+#define CONFIG_SYS_NAND_U_BOOT_SIZE ((512 << 10) - 0x2000)
+#define CONFIG_SYS_NAND_U_BOOT_DST (CONFIG_SYS_INIT_L2_ADDR)
+#define CONFIG_SYS_NAND_U_BOOT_START \
+ (CONFIG_SYS_INIT_L2_ADDR + CONFIG_SYS_NAND_SPL_SIZE)
+#define CONFIG_SYS_NAND_U_BOOT_OFFS (0)
+#define CONFIG_SYS_NAND_U_BOOT_RELOC (CONFIG_SYS_INIT_L2_END - 0x2000)
+#define CONFIG_SYS_NAND_U_BOOT_RELOC_SP ((CONFIG_SYS_INIT_L2_END - 1) & ~0xF)
+
#define CONFIG_SYS_NAND_BASE_PHYS CONFIG_SYS_NAND_BASE
#define CONFIG_SYS_NAND_BASE_LIST { CONFIG_SYS_NAND_BASE, }
#define CONFIG_SYS_MAX_NAND_DEVICE 1
@@ -195,8 +235,18 @@ extern unsigned long get_clock_freq(void);
| OR_FCM_SCY_1 \
| OR_FCM_TRLX \
| OR_FCM_EHTR)
+
+#ifdef CONFIG_RAMBOOT_NAND
+#define CONFIG_SYS_BR0_PRELIM CONFIG_NAND_BR_PRELIM /* NAND Base Address */
+#define CONFIG_SYS_OR0_PRELIM CONFIG_NAND_OR_PRELIM /* NAND Options */
+#define CONFIG_SYS_BR3_PRELIM CONFIG_FLASH_BR_PRELIM /* NOR Base Address */
+#define CONFIG_SYS_OR3_PRELIM CONFIG_FLASH_OR_PRELIM /* NOR Options */
+#else
+#define CONFIG_SYS_BR0_PRELIM CONFIG_FLASH_BR_PRELIM /* NOR Base Address */
+#define CONFIG_SYS_OR0_PRELIM CONFIG_FLASH_OR_PRELIM /* NOR Options */
#define CONFIG_SYS_BR3_PRELIM CONFIG_NAND_BR_PRELIM /* NAND Base Address */
#define CONFIG_SYS_OR3_PRELIM CONFIG_NAND_OR_PRELIM /* NAND Options */
+#endif

/*
* SDRAM on the LocalBus
@@ -432,10 +482,18 @@ extern unsigned long get_clock_freq(void);
/*
* Environment
*/
+#if defined(CONFIG_SYS_RAMBOOT)
+#if defined(CONFIG_RAMBOOT_NAND)
+#define CONFIG_ENV_IS_IN_NAND 1
+#define CONFIG_ENV_SIZE CONFIG_SYS_NAND_BLOCK_SIZE
+#define CONFIG_ENV_OFFSET ((512 * 1024) + CONFIG_SYS_NAND_BLOCK_SIZE)
+#endif
+#else
#define CONFIG_ENV_IS_IN_FLASH 1
#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SECT_SIZE)
#define CONFIG_ENV_SECT_SIZE 0x20000 /* 256K(one sector) for env */
#define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE
+#endif

#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
#define CONFIG_SYS_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
diff --git a/nand_spl/board/freescale/mpc8569mds/Makefile b/nand_spl/board/freescale/mpc8569mds/Makefile
new file mode 100644
index 0000000..7ed9d61
--- /dev/null
+++ b/nand_spl/board/freescale/mpc8569mds/Makefile
@@ -0,0 +1,133 @@
+#
+# (C) Copyright 2007
+# Stefan Roese, DENX Software Engineering, sr@denx.de.
+#
+# Copyright 2009 Freescale Semiconductor, Inc.
+#
+# 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
+#
+
+NAND_SPL := y
+TEXT_BASE := 0xfff00000
+PAD_TO := 0xfff01000
+
+include $(TOPDIR)/config.mk
+
+LDSCRIPT= $(TOPDIR)/cpu/$(CPU)/u-boot-nand_spl.lds
+LDFLAGS = -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
+AFLAGS += -DCONFIG_NAND_SPL
+CFLAGS += -DCONFIG_NAND_SPL
+
+SOBJS = start.o resetvec.o
+COBJS = cache.o cpu_init_early.o cpu_init_nand.o fsl_law.o law.o \
+ nand_boot.o nand_boot_fsl_elbc.o ns16550.o tlb.o tlb_table.o
+
+SRCS := $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
+__OBJS := $(SOBJS) $(COBJS)
+LNDIR := $(OBJTREE)/nand_spl/board/$(BOARDDIR)
+
+nandobj := $(OBJTREE)/nand_spl/
+
+ALL = $(nandobj)u-boot-spl $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
+
+all: $(obj).depend $(ALL)
+
+$(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
+ $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $< $@
+
+$(nandobj)u-boot-spl.bin: $(nandobj)u-boot-spl
+ $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
+
+$(nandobj)u-boot-spl: $(OBJS)
+ cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) $(PLATFORM_LIBS) \
+ -Map $(nandobj)u-boot-spl.map \
+ -o $(nandobj)u-boot-spl
+
+# create symbolic links for common files
+
+$(obj)cache.c:
+ @rm -f $(obj)cache.c
+ ln -sf $(SRCTREE)/lib_ppc/cache.c $(obj)cache.c
+
+$(obj)cpu_init_early.c:
+ @rm -f $(obj)cpu_init_early.c
+ ln -sf $(SRCTREE)/cpu/mpc85xx/cpu_init_early.c $(obj)cpu_init_early.c
+
+$(obj)cpu_init_nand.c:
+ @rm -f $(obj)cpu_init_nand.c
+ ln -sf $(SRCTREE)/cpu/mpc85xx/cpu_init_nand.c $(obj)cpu_init_nand.c
+
+$(obj)fsl_law.c:
+ @rm -f $(obj)fsl_law.c
+ ln -sf $(SRCTREE)/drivers/misc/fsl_law.c $(obj)fsl_law.c
+
+$(obj)law.c:
+ @rm -f $(obj)law.c
+ ln -sf $(SRCTREE)/board/$(BOARDDIR)/law.c $(obj)law.c
+
+$(obj)nand_boot_fsl_elbc.c:
+ @rm -f $(obj)nand_boot_fsl_elbc.c
+ ln -sf $(SRCTREE)/nand_spl/nand_boot_fsl_elbc.c \
+ $(obj)nand_boot_fsl_elbc.c
+
+$(obj)ns16550.c:
+ @rm -f $(obj)ns16550.c
+ ln -sf $(SRCTREE)/drivers/serial/ns16550.c $(obj)ns16550.c
+
+$(obj)resetvec.S:
+ @rm -f $(obj)resetvec.S
+ ln -s $(SRCTREE)/cpu/$(CPU)/resetvec.S $(obj)resetvec.S
+
+$(obj)fixed_ivor.S:
+ @rm -f $(obj)fixed_ivor.S
+ ln -sf $(SRCTREE)/cpu/mpc85xx/fixed_ivor.S $(obj)fixed_ivor.S
+
+$(obj)start.S: $(obj)fixed_ivor.S
+ @rm -f $(obj)start.S
+ ln -sf $(SRCTREE)/cpu/mpc85xx/start.S $(obj)start.S
+
+$(obj)tlb.c:
+ @rm -f $(obj)tlb.c
+ ln -sf $(SRCTREE)/cpu/mpc85xx/tlb.c $(obj)tlb.c
+
+$(obj)tlb_table.c:
+ @rm -f $(obj)tlb_table.c
+ ln -sf $(SRCTREE)/board/$(BOARDDIR)/tlb.c $(obj)tlb_table.c
+
+ifneq ($(OBJTREE), $(SRCTREE))
+$(obj)nand_boot.c:
+ @rm -f $(obj)nand_boot.c
+ ln -s $(SRCTREE)/nand_spl/board/$(BOARDDIR)/nand_boot.c $(obj)nand_boot.c
+endif
+
+#########################################################################
+
+$(obj)%.o: $(obj)%.S
+ $(CC) $(AFLAGS) -c -o $@ $<
+
+$(obj)%.o: $(obj)%.c
+ $(CC) $(CFLAGS) -c -o $@ $<
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/nand_spl/board/freescale/mpc8569mds/nand_boot.c b/nand_spl/board/freescale/mpc8569mds/nand_boot.c
new file mode 100644
index 0000000..e030656
--- /dev/null
+++ b/nand_spl/board/freescale/mpc8569mds/nand_boot.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2009 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 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>
+#include <mpc85xx.h>
+#include <asm-ppc/io.h>
+#include <ns16550.h>
+#include <nand.h>
+#include <asm/mmu.h>
+#include <asm/immap_85xx.h>
+#include <asm/fsl_ddr_sdram.h>
+#include <asm/fsl_law.h>
+
+#define SYSCLK_66 66666666
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void board_init_f(ulong bootflag)
+{
+ uint plat_ratio, bus_clk, sys_clk;
+ volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+
+ sys_clk = SYSCLK_66;
+
+ plat_ratio = gur->porpllsr & 0x0000003e;
+ plat_ratio >>= 1;
+ bus_clk = plat_ratio * sys_clk;
+ NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
+ bus_clk / 16 / CONFIG_BAUDRATE);
+
+ puts("\nNAND boot... ");
+
+ /* copy code to DDR and jump to it - this should not return */
+ /* NOTE - code has to be copied out of NAND buffer before
+ * other blocks can be read.
+ */
+ relocate_code(CONFIG_SYS_NAND_U_BOOT_RELOC_SP, 0,
+ CONFIG_SYS_NAND_U_BOOT_RELOC);
+}
+
+void board_init_r(gd_t *gd, ulong dest_addr)
+{
+ nand_boot();
+}
+
+void putc(char c)
+{
+ if (c == '\n')
+ NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, '\r');
+
+ NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, c);
+}
+
+void puts(const char *str)
+{
+ while (*str)
+ putc(*str++);
+}
--
1.6.4