Mimic support that exists on MPC8536DS on the MPC8572DS to allow booting from NAND.
Signed-off-by: Jin Qing b24347@freescale.com Signed-off-by: Kumar Gala galak@kernel.crashing.org --- * Removed CONFIG_SYS_SPL as its not used and copied for older code
board/freescale/mpc8572ds/config.mk | 6 + board/freescale/mpc8572ds/tlb.c | 14 +++- boards.cfg | 1 + include/configs/MPC8572DS.h | 115 ++++++++++++++++++--- nand_spl/board/freescale/mpc8572ds/Makefile | 133 ++++++++++++++++++++++++ nand_spl/board/freescale/mpc8572ds/nand_boot.c | 82 +++++++++++++++ 6 files changed, 335 insertions(+), 16 deletions(-) create mode 100644 nand_spl/board/freescale/mpc8572ds/Makefile create mode 100644 nand_spl/board/freescale/mpc8572ds/nand_boot.c
diff --git a/board/freescale/mpc8572ds/config.mk b/board/freescale/mpc8572ds/config.mk index 5413921..6cea41c 100644 --- a/board/freescale/mpc8572ds/config.mk +++ b/board/freescale/mpc8572ds/config.mk @@ -23,4 +23,10 @@ # # mpc8572ds board # +ifndef NAND_SPL +ifeq ($(CONFIG_NAND), y) +LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds +endif +endif + RESET_VECTOR_ADDRESS = 0xeffffffc diff --git a/board/freescale/mpc8572ds/tlb.c b/board/freescale/mpc8572ds/tlb.c index 6a2a0b5..575bdb5 100644 --- a/board/freescale/mpc8572ds/tlb.c +++ b/board/freescale/mpc8572ds/tlb.c @@ -1,5 +1,5 @@ /* - * Copyright 2008 Freescale Semiconductor, Inc. + * Copyright 2008-2010 Freescale Semiconductor, Inc. * * (C) Copyright 2000 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. @@ -85,6 +85,18 @@ struct fsl_e_tlb_entry tlb_table[] = { SET_TLB_ENTRY(1, PIXIS_BASE, PIXIS_BASE_PHYS, MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, 8, BOOKE_PAGESZ_4K, 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, 9, 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, 10, BOOKE_PAGESZ_256K, 1), +#endif };
int num_tlb_entries = ARRAY_SIZE(tlb_table); diff --git a/boards.cfg b/boards.cfg index 2209676..a994c8a 100644 --- a/boards.cfg +++ b/boards.cfg @@ -472,6 +472,7 @@ MPC8569MDS_ATM powerpc mpc85xx mpc8569mds freesca MPC8569MDS_NAND powerpc mpc85xx mpc8569mds freescale - MPC8569MDS:NAND MPC8572DS powerpc mpc85xx mpc8572ds freescale - MPC8572DS MPC8572DS_36BIT powerpc mpc85xx mpc8572ds freescale - MPC8572DS:36BIT +MPC8572DS_NAND powerpc mpc85xx mpc8572ds freescale - MPC8572DS:NAND P1011RDB powerpc mpc85xx p1_p2_rdb freescale - P1_P2_RDB:P1011 P1011RDB_NAND powerpc mpc85xx p1_p2_rdb freescale - P1_P2_RDB:P1011,NAND P1011RDB_SDCARD powerpc mpc85xx p1_p2_rdb freescale - P1_P2_RDB:P1011,SDCARD diff --git a/include/configs/MPC8572DS.h b/include/configs/MPC8572DS.h index 1ee95ae..9d2e209 100644 --- a/include/configs/MPC8572DS.h +++ b/include/configs/MPC8572DS.h @@ -33,6 +33,25 @@ #define CONFIG_PHYS_64BIT #endif
+#ifdef CONFIG_NAND +#define CONFIG_NAND_U_BOOT +#define CONFIG_RAMBOOT_NAND +#ifdef CONFIG_NAND_SPL +#define CONFIG_SYS_TEXT_BASE_SPL 0xfff00000 +#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE_SPL /* start of monitor */ +#else +#define CONFIG_SYS_TEXT_BASE 0xf8f82000 +#endif /* CONFIG_NAND_SPL */ +#endif + +#ifndef CONFIG_SYS_TEXT_BASE +#define CONFIG_SYS_TEXT_BASE 0xeff80000 +#endif + +#ifndef CONFIG_SYS_MONITOR_BASE +#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE /* start of monitor */ +#endif + /* High Level Configuration Options */ #define CONFIG_BOOKE 1 /* BOOKE */ #define CONFIG_E500 1 /* BOOKE e500 family */ @@ -41,10 +60,6 @@ #define CONFIG_MPC8572DS 1 #define CONFIG_MP 1 /* support multiple processors */
-#ifndef CONFIG_SYS_TEXT_BASE -#define CONFIG_SYS_TEXT_BASE 0xeff80000 -#endif - #define CONFIG_FSL_ELBC 1 /* Has Enhanced localbus controller */ #define CONFIG_PCI 1 /* Enable PCI/PCIE */ #define CONFIG_PCIE1 1 /* PCIE controler 1 (slot 1) */ @@ -81,10 +96,21 @@ #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 */ #ifdef CONFIG_PHYS_64BIT #define CONFIG_SYS_CCSRBAR_PHYS 0xfffe00000ull /* physical addr of CCSRBAR */ @@ -93,6 +119,12 @@ #endif #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 + /* DDR Setup */ #define CONFIG_VERY_BIG_RAM #define CONFIG_FSL_DDR2 @@ -177,8 +209,11 @@ #define CONFIG_SYS_FLASH_BASE_PHYS CONFIG_SYS_FLASH_BASE #endif
-#define CONFIG_SYS_BR0_PRELIM (BR_PHYS_ADDR((CONFIG_SYS_FLASH_BASE_PHYS + 0x8000000)) | BR_PS_16 | BR_V) -#define CONFIG_SYS_OR0_PRELIM 0xf8000ff7 + +#define CONFIG_FLASH_BR_PRELIM \ + (BR_PHYS_ADDR((CONFIG_SYS_FLASH_BASE_PHYS + 0x8000000)) \ + | BR_PS_16 | BR_V) +#define CONFIG_FLASH_OR_PRELIM 0xf8000ff7
#define CONFIG_SYS_BR1_PRELIM (BR_PHYS_ADDR(CONFIG_SYS_FLASH_BASE_PHYS) | BR_PS_16 | BR_V) #define CONFIG_SYS_OR1_PRELIM 0xf8000ff7 @@ -193,7 +228,12 @@ #define CONFIG_SYS_FLASH_ERASE_TOUT 60000 /* Flash Erase Timeout (ms) */ #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (ms) */
-#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE /* start of monitor */ +#if defined(CONFIG_RAMBOOT_NAND) +#define CONFIG_SYS_RAMBOOT +#define CONFIG_SYS_EXTRA_ENV_RELOC +#else +#undef CONFIG_SYS_RAMBOOT +#endif
#define CONFIG_FLASH_CFI_DRIVER #define CONFIG_SYS_FLASH_CFI @@ -246,6 +286,8 @@ #define PIXIS_VWATCH 0x24 /* Watchdog Register */ #define PIXIS_LED 0x25 /* LED Register */
+#define PIXIS_SPD_SYSCLK_MASK 0x7 /* SYSCLK option */ + /* old pixis referenced names */ #define PIXIS_VCLKH 0x19 /* VELA VCLKH register */ #define PIXIS_VCLKL 0x1A /* VELA VCLKL register */ @@ -277,12 +319,22 @@ #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 #ifdef CONFIG_PHYS_64BIT #define CONFIG_SYS_NAND_BASE_PHYS 0xfffa00000ull #else #define CONFIG_SYS_NAND_BASE_PHYS CONFIG_SYS_NAND_BASE #endif +#else +#define CONFIG_SYS_NAND_BASE 0xfff00000 +#ifdef CONFIG_PHYS_64BIT +#define CONFIG_SYS_NAND_BASE_PHYS 0xffff00000ull +#else +#define CONFIG_SYS_NAND_BASE_PHYS CONFIG_SYS_NAND_BASE +#endif +#endif + #define CONFIG_SYS_NAND_BASE_LIST { CONFIG_SYS_NAND_BASE,\ CONFIG_SYS_NAND_BASE + 0x40000, \ CONFIG_SYS_NAND_BASE + 0x80000,\ @@ -293,6 +345,17 @@ #define CONFIG_NAND_FSL_ELBC 1 #define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 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 (BR_PHYS_ADDR(CONFIG_SYS_NAND_BASE_PHYS) \ | (2<<BR_DECC_SHIFT) /* Use HW ECC */ \ @@ -308,9 +371,17 @@ | 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_BR2_PRELIM CONFIG_FLASH_BR_PRELIM /* NOR Base Address */ +#define CONFIG_SYS_OR2_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_BR2_PRELIM CONFIG_NAND_BR_PRELIM /* NAND Base Address */ #define CONFIG_SYS_OR2_PRELIM CONFIG_NAND_OR_PRELIM /* NAND Options */ - +#endif #define CONFIG_SYS_BR4_PRELIM (BR_PHYS_ADDR((CONFIG_SYS_NAND_BASE_PHYS + 0x40000))\ | (2<<BR_DECC_SHIFT) /* Use HW ECC */ \ | BR_PS_8 /* Port Size = 8 bit */ \ @@ -341,6 +412,9 @@ #define CONFIG_SYS_NS16550_SERIAL #define CONFIG_SYS_NS16550_REG_SIZE 1 #define CONFIG_SYS_NS16550_CLK get_bus_freq(0) +#ifdef CONFIG_NAND_SPL +#define CONFIG_NS16550_MIN_FUNCTIONS +#endif
#define CONFIG_SYS_BAUDRATE_TABLE \ {300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200} @@ -546,14 +620,25 @@ /* * 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/mpc8572ds/Makefile b/nand_spl/board/freescale/mpc8572ds/Makefile new file mode 100644 index 0000000..e2181e9 --- /dev/null +++ b/nand_spl/board/freescale/mpc8572ds/Makefile @@ -0,0 +1,133 @@ +# +# (C) Copyright 2007 +# Stefan Roese, DENX Software Engineering, sr@denx.de. +# +# Copyright 2009-2010 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 +CONFIG_SYS_TEXT_BASE_SPL := 0xfff00000 +PAD_TO := 0xfff01000 + +include $(TOPDIR)/config.mk + +LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds +LDFLAGS = -Bstatic -T $(LDSCRIPT) -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) $(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)/arch/powerpc/lib/cache.c $(obj)cache.c + +$(obj)cpu_init_early.c: + @rm -f $(obj)cpu_init_early.c + ln -sf $(SRCTREE)/arch/powerpc/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)/arch/powerpc/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 $(SRCTREE)/$(CPUDIR)/resetvec.S $(obj)resetvec.S + +$(obj)fixed_ivor.S: + @rm -f $(obj)fixed_ivor.S + ln -sf $(SRCTREE)/arch/powerpc/cpu/mpc85xx/fixed_ivor.S $(obj)fixed_ivor.S + +$(obj)start.S: $(obj)fixed_ivor.S + @rm -f $(obj)start.S + ln -sf $(SRCTREE)/arch/powerpc/cpu/mpc85xx/start.S $(obj)start.S + +$(obj)tlb.c: + @rm -f $(obj)tlb.c + ln -sf $(SRCTREE)/arch/powerpc/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/mpc8572ds/nand_boot.c b/nand_spl/board/freescale/mpc8572ds/nand_boot.c new file mode 100644 index 0000000..7ca4d4d --- /dev/null +++ b/nand_spl/board/freescale/mpc8572ds/nand_boot.c @@ -0,0 +1,82 @@ +/* + * Copyright 2009-2010 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 <ns16550.h> +#include <asm/io.h> +#include <nand.h> + +u32 sysclk_tbl[] = { + 33333000, 39999600, 49999500, 66666000, + 83332500, 99999000, 133332000, 166665000 +}; + +void board_init_f(ulong bootflag) +{ + int px_spd; + u32 plat_ratio, bus_clk, sys_clk; + ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; + +#if defined(CONFIG_SYS_BR3_PRELIM) && defined(CONFIG_SYS_OR3_PRELIM) + /* for FPGA */ + set_lbc_br(3, CONFIG_SYS_BR3_PRELIM); + set_lbc_or(3, CONFIG_SYS_OR3_PRELIM); +#else +#error CONFIG_SYS_BR3_PRELIM, CONFIG_SYS_OR3_PRELIM must be defined +#endif + + /* initialize selected port with appropriate baud rate */ + px_spd = in_8((unsigned char *)(PIXIS_BASE + PIXIS_SPD)); + sys_clk = sysclk_tbl[px_spd & PIXIS_SPD_SYSCLK_MASK]; + plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO; + bus_clk = sys_clk * plat_ratio / 2; + + NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, + bus_clk / 16 / CONFIG_BAUDRATE); + + puts("\nNAND boot... "); + + /* copy code to RAM 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++); +}