[U-Boot] [PATCH v1] ppc/P1_P2_RDB: NAND Boot Support
Dipen Dudhat
dipen.dudhat at freescale.com
Mon Oct 5 13:46:24 CEST 2009
NAND Boot support for P1 and P2 series RDB platforms.
This patch is derived from latest NAND Boot support on MPC8536DS by Mingkai Hu.
Signed-off-by: Dipen Dudhat <dipen.dudhat at freescale.com>
---
- Applies to http://git.denx.de/u-boot.git
MAKEALL | 1 +
Makefile | 1 +
board/freescale/p1_p2_rdb/config.mk | 7 ++
board/freescale/p1_p2_rdb/tlb.c | 10 ++
include/configs/P1_P2_RDB.h | 72 +++++++++++++--
nand_spl/board/freescale/p1_p2_rdb/Makefile | 123 ++++++++++++++++++++++++
nand_spl/board/freescale/p1_p2_rdb/nand_boot.c | 97 +++++++++++++++++++
7 files changed, 304 insertions(+), 7 deletions(-)
create mode 100644 nand_spl/board/freescale/p1_p2_rdb/Makefile
create mode 100644 nand_spl/board/freescale/p1_p2_rdb/nand_boot.c
diff --git a/MAKEALL b/MAKEALL
index 0a54d75..de81c93 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -398,6 +398,7 @@ LIST_85xx=" \
P1020RDB \
P2010RDB \
P2020RDB \
+ P2020RDB_NAND \
PM854 \
PM856 \
sbc8540 \
diff --git a/Makefile b/Makefile
index c8a883c..652d930 100644
--- a/Makefile
+++ b/Makefile
@@ -2526,6 +2526,7 @@ P2020DS_config: unconfig
P1011RDB_config \
P1020RDB_config \
P2010RDB_config \
+P2020RDB_NAND_config \
P2020RDB_config: unconfig
@$(MKCONFIG) -t $(@:_config=) P1_P2_RDB ppc mpc85xx p1_p2_rdb freescale
diff --git a/board/freescale/p1_p2_rdb/config.mk b/board/freescale/p1_p2_rdb/config.mk
index a56b536..17abcf8 100644
--- a/board/freescale/p1_p2_rdb/config.mk
+++ b/board/freescale/p1_p2_rdb/config.mk
@@ -24,6 +24,13 @@
# p1_p2rdb board
#
+ifndef NAND_SPL
+ifeq ($(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 = 0xeff80000
endif
diff --git a/board/freescale/p1_p2_rdb/tlb.c b/board/freescale/p1_p2_rdb/tlb.c
index cf9bffe..0009913 100644
--- a/board/freescale/p1_p2_rdb/tlb.c
+++ b/board/freescale/p1_p2_rdb/tlb.c
@@ -78,6 +78,16 @@ struct fsl_e_tlb_entry tlb_table[] = {
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 6, BOOKE_PAGESZ_1M, 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, 7, 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, 8, BOOKE_PAGESZ_256K, 1),
+#endif
};
int num_tlb_entries = ARRAY_SIZE(tlb_table);
diff --git a/include/configs/P1_P2_RDB.h b/include/configs/P1_P2_RDB.h
index 8e97ad0..aacd4ca 100644
--- a/include/configs/P1_P2_RDB.h
+++ b/include/configs/P1_P2_RDB.h
@@ -43,6 +43,12 @@
#define CONFIG_P2020
#endif
+#ifdef CONFIG_MK_NAND
+#define CONFIG_NAND_U_BOOT 1
+#define CONFIG_RAMBOOT_NAND 1
+#define CONFIG_RAMBOOT_TEXT_BASE 0xf8f82000
+#endif
+
/* High Level Configuration Options */
#define CONFIG_BOOKE 1 /* BOOKE */
#define CONFIG_E500 1 /* BOOKE e500 family */
@@ -82,16 +88,34 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
#define CONFIG_SYS_MEMTEST_END 0x1fffffff
#define CONFIG_PANIC_HANG /* do not reset board on panic */
+ /*
+ * Config the L2 Cache as L2 SRAM
+ */
+#define CONFIG_SYS_INIT_L2_ADDR 0xf8f80000
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_INIT_L2_ADDR_PHYS 0xff8f80000ull
+#else
+#define CONFIG_SYS_INIT_L2_ADDR_PHYS CONFIG_SYS_INIT_L2_ADDR
+#endif
+#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 0xffe00000 /* 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_PCIE2_ADDR (CONFIG_SYS_CCSRBAR+0x9000)
#define CONFIG_SYS_PCIE1_ADDR (CONFIG_SYS_CCSRBAR+0xa000)
@@ -158,6 +182,12 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
#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
@@ -177,7 +207,11 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
#define CONFIG_SYS_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Mon*/
#define CONFIG_SYS_MALLOC_LEN (1024 * 1024) /* Reserved for malloc*/
+#ifndef CONFIG_NAND_SPL
#define CONFIG_SYS_NAND_BASE 0xffa00000
+#else
+#define CONFIG_SYS_NAND_BASE 0xfff00000
+#endif
#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
@@ -187,6 +221,15 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
#define CONFIG_NAND_FSL_ELBC 1
#define CONFIG_SYS_NAND_BLOCK_SIZE (16 * 1024)
+/* 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)
+
/* NAND flash config */
#define CONFIG_NAND_BR_PRELIM (CONFIG_SYS_NAND_BASE_PHYS \
| (2<<BR_DECC_SHIFT) /* Use HW ECC */ \
@@ -202,10 +245,17 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
| 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_BR1_PRELIM CONFIG_FLASH_BR_PRELIM /* NOR Base Address */
+#define CONFIG_SYS_OR1_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_BR1_PRELIM CONFIG_NAND_BR_PRELIM /* NAND Base Address */
#define CONFIG_SYS_OR1_PRELIM CONFIG_NAND_OR_PRELIM /* NAND Options */
+#endif
#define CONFIG_SYS_VSC7385_BASE 0xffb00000
@@ -371,14 +421,22 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
/*
* Environment
*/
-#define CONFIG_ENV_IS_IN_FLASH 1
-#if CONFIG_SYS_MONITOR_BASE > 0xfff80000
-#define CONFIG_ENV_ADDR 0xfff80000
+#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_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SECT_SIZE)
+ #define CONFIG_ENV_IS_IN_FLASH 1
+ #if CONFIG_SYS_MONITOR_BASE > 0xfff80000
+ #define CONFIG_ENV_ADDR 0xfff80000
+ #else
+ #define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SECT_SIZE)
+ #endif
+ #define CONFIG_ENV_SIZE 0x2000
+ #define CONFIG_ENV_SECT_SIZE 0x20000 /* 128K (one sector) */
#endif
-#define CONFIG_ENV_SIZE 0x2000
-#define CONFIG_ENV_SECT_SIZE 0x20000 /* 128K (one sector) */
#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/p1_p2_rdb/Makefile b/nand_spl/board/freescale/p1_p2_rdb/Makefile
new file mode 100644
index 0000000..77a5137
--- /dev/null
+++ b/nand_spl/board/freescale/p1_p2_rdb/Makefile
@@ -0,0 +1,123 @@
+#
+# (C) Copyright 2007
+# Stefan Roese, DENX Software Engineering, sr at 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)start.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 $(obj)tlb_table.c
+
+#########################################################################
+
+$(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/p1_p2_rdb/nand_boot.c b/nand_spl/board/freescale/p1_p2_rdb/nand_boot.c
new file mode 100644
index 0000000..fd24452
--- /dev/null
+++ b/nand_spl/board/freescale/p1_p2_rdb/nand_boot.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright 2009 Freescale Semiconductor, Inc. All rights reserved.
+ *
+ * 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_MASK 0x00200000
+#define BOARDREV_MASK 0x10100000
+#define BOARDREV_B 0x10100000
+#define BOARDREV_C 0x00100000
+
+#define SYSCLK_66 66666666
+#define SYSCLK_50 50000000
+#define SYSCLK_100 100000000
+
+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);
+ volatile ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
+ uint val, temp, sysclk_mask;
+
+ val = pgpio->gpdat;
+ sysclk_mask = val & SYSCLK_MASK;
+ temp = val & BOARDREV_MASK;
+ if (temp == BOARDREV_C) {
+ if(sysclk_mask == 0)
+ sys_clk = SYSCLK_66;
+ else
+ sys_clk = SYSCLK_100;
+ } else if (temp == BOARDREV_B) {
+ if(sysclk_mask == 0)
+ sys_clk = SYSCLK_66;
+ else
+ sys_clk = SYSCLK_50;
+ }
+
+ plat_ratio = gur->porpllsr & 0x0000003e;
+ plat_ratio >>= 1;
+ bus_clk = plat_ratio * sys_clk;
+ NS16550_init((NS16550_t)(CONFIG_SYS_CCSRBAR + 0x4500),
+ 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_CCSRBAR + 0x4500), '\r');
+
+ NS16550_putc((NS16550_t)(CONFIG_SYS_CCSRBAR + 0x4500), c);
+}
+
+void puts(const char *str)
+{
+ while (*str)
+ putc(*str++);
+}
--
1.5.6.3
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