This is an i.MX25 base board with only NAND so it uses nand_spl to boot.
Signed-off-by: John Rigby jcrigby@gmail.com
Tune configuration, add support for (redundant) environment in NAND. Signed-off-by: Wolfgang Denk wd@denx.de
Acked-by: Wolfgang Denk wd@denx.de CC: Fred Fan fanyefeng@gmail.com CC: Tom Tom.Rix@windriver.com --- MAINTAINERS | 4 + Makefile | 4 + board/karo/tx25/Makefile | 51 ++++++++++ board/karo/tx25/config.mk | 5 + board/karo/tx25/lowlevel_init.S | 131 +++++++++++++++++++++++++ board/karo/tx25/tx25.c | 176 ++++++++++++++++++++++++++++++++++ include/configs/tx25.h | 178 +++++++++++++++++++++++++++++++++++ nand_spl/board/karo/tx25/Makefile | 78 +++++++++++++++ nand_spl/board/karo/tx25/config.mk | 1 + nand_spl/board/karo/tx25/u-boot.lds | 58 +++++++++++ 10 files changed, 686 insertions(+), 0 deletions(-) create mode 100644 board/karo/tx25/Makefile create mode 100644 board/karo/tx25/config.mk create mode 100644 board/karo/tx25/lowlevel_init.S create mode 100644 board/karo/tx25/tx25.c create mode 100644 include/configs/tx25.h create mode 100644 nand_spl/board/karo/tx25/Makefile create mode 100644 nand_spl/board/karo/tx25/config.mk create mode 100644 nand_spl/board/karo/tx25/u-boot.lds
diff --git a/MAINTAINERS b/MAINTAINERS index 48db504..50a11b7 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -688,6 +688,10 @@ Tom Rix Tom.Rix@windriver.com
omap3_zoom2 ARM CORTEX-A8 (OMAP3xx SoC)
+John Rigby jcrigby@gmail.com + + tx25 i.MX25 + Stefan Roese sr@denx.de
ixdpg425 xscale diff --git a/Makefile b/Makefile index 1abe64a..d701407 100644 --- a/Makefile +++ b/Makefile @@ -3068,6 +3068,10 @@ trab_old_config: unconfig } @$(MKCONFIG) -a $(call xtract_trab,$@) arm arm920t trab NULL s3c24x0
+tx25_config : unconfig + @$(MKCONFIG) $(@:_config=) arm arm926ejs tx25 karo mx25 + @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk + VCMA9_config : unconfig @$(MKCONFIG) $(@:_config=) arm arm920t vcma9 mpl s3c24x0
diff --git a/board/karo/tx25/Makefile b/board/karo/tx25/Makefile new file mode 100644 index 0000000..b0e610f --- /dev/null +++ b/board/karo/tx25/Makefile @@ -0,0 +1,51 @@ +# +# (C) Copyright 2009 DENX Software Engineering +# Author: John Rigby jcrigby@gmail.com +# +# 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 +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).a + +COBJS := tx25.o +SOBJS := lowlevel_init.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak $(obj).depend + +######################################################################### + +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### + diff --git a/board/karo/tx25/config.mk b/board/karo/tx25/config.mk new file mode 100644 index 0000000..732a14a --- /dev/null +++ b/board/karo/tx25/config.mk @@ -0,0 +1,5 @@ +ifdef CONFIG_NAND_SPL +TEXT_BASE = 0x81ec0000 +else +TEXT_BASE = 0x81f00000 +endif diff --git a/board/karo/tx25/lowlevel_init.S b/board/karo/tx25/lowlevel_init.S new file mode 100644 index 0000000..823df10 --- /dev/null +++ b/board/karo/tx25/lowlevel_init.S @@ -0,0 +1,131 @@ +/* + * (C) Copyright 2009 DENX Software Engineering + * Author: John Rigby jrigby@gmail.com + * + * Based on U-Boot and RedBoot sources for several different i.mx + * platforms. + * + * 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 <asm/macro.h> + +.macro init_aips + write32 0x43f00000, 0x77777777 + write32 0x43f00004, 0x77777777 + write32 0x43f00000, 0x77777777 + write32 0x53f00004, 0x77777777 +.endm + +.macro init_max + write32 0x43f04000, 0x43210 + write32 0x43f04100, 0x43210 + write32 0x43f04200, 0x43210 + write32 0x43f04300, 0x43210 + write32 0x43f04400, 0x43210 + + write32 0x43f04010, 0x10 + write32 0x43f04110, 0x10 + write32 0x43f04210, 0x10 + write32 0x43f04310, 0x10 + write32 0x43f04410, 0x10 + + write32 0x43f04800, 0x0 + write32 0x43f04900, 0x0 + write32 0x43f04a00, 0x0 + write32 0x43f04b00, 0x0 + write32 0x43f04c00, 0x0 +.endm + +.macro init_m3if + write32 0xb8003000, 0x1 +.endm + +.macro init_clocks + /* + * clocks + * + * first enable CLKO debug output + * 0x40000000 enables the debug CLKO signal + * 0x05000000 sets CLKO divider to 6 + * 0x00600000 makes CLKO parent clk the USB clk + */ + write32 0x53f80064, 0x45600000 + write32 0x53f80008, 0x20034000 + + /* + * enable all implemented clocks in all three + * clock control registers + */ + write32 0x53f8000c, 0x1fffffff + write32 0x53f80010, 0xffffffff + write32 0x53f80014, 0xfdfff +.endm + +.macro init_ddrtype + /* + * ddr_type is 3.3v SDRAM + */ + write32 0x43fac454, 0x800 +.endm + +/* + * sdram controller init + */ +.macro init_sdram_bank bankaddr, ctl, cfg + ldr r0, =0xb8001000 + ldr r2, =\bankaddr + /* + * reset SDRAM controller + * then wait for initialization to complete + */ + ldr r1, =(1 << 1) + str r1, [r0, #0x10] +1: ldr r3, [r0, #0x10] + tst r3, #(1 << 31) + beq 1b + + ldr r1, =0x95728 + str r1, [r0, #\cfg] /* config */ + + ldr r1, =0x92116480 /* control | precharge */ + str r1, [r0, #\ctl] /* write command to controller */ + str r1, [r2, #0x400] /* command encoded in address */ + + ldr r1, =0xa2116480 /* auto refresh */ + str r1, [r0, #\ctl] + ldrb r3, [r2] /* read dram twice to auto refresh */ + ldrb r3, [r2] + + ldr r1, =0xb2116480 /* control | load mode */ + str r1, [r0, #\ctl] /* write command to controller */ + strb r1, [r2, #0x33] /* command encoded in address */ + + ldr r1, =0x82116480 /* control | normal (0)*/ + str r1, [r0, #\ctl] /* write command to controller */ +.endm + +.globl lowlevel_init +lowlevel_init: + init_aips + init_max + init_m3if + init_clocks + + init_sdram_bank 0x80000000, 0x0, 0x4 + + init_sdram_bank 0x90000000, 0x8, 0xc + mov pc, lr diff --git a/board/karo/tx25/tx25.c b/board/karo/tx25/tx25.c new file mode 100644 index 0000000..4d6a96d --- /dev/null +++ b/board/karo/tx25/tx25.c @@ -0,0 +1,176 @@ +/* + * (C) Copyright 2009 DENX Software Engineering + * Author: John Rigby jrigby@gmail.com + * + * Based on imx27lite.c: + * Copyright (C) 2008,2009 Eric Jarrige jorasse@users.sourceforge.net + * Copyright (C) 2009 Ilya Yanok yanok@emcraft.com + * And: + * RedBoot tx25_misc.c Copyright (C) 2009 Red Hat + * + * 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 <asm/io.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/imx25-pinmux.h> + +static void mdelay(int n) +{ + while (n-- > 0) + udelay(1000); +} + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_FEC_MXC +void tx25_fec_init(void) +{ + struct iomuxc_mux_ctl *muxctl; + struct iomuxc_pad_ctl *padctl; + u32 val; + u32 gpio_mux_mode = MX25_PIN_MUX_MODE(5); + struct gpio_regs *gpio4 = (struct gpio_regs *)IMX_GPIO4_BASE; + struct gpio_regs *gpio3 = (struct gpio_regs *)IMX_GPIO3_BASE; + u32 saved_rdata0_mode, saved_rdata1_mode, saved_rx_dv_mode; + + debug("tx25_fec_init\n"); + /* + * fec pin init is generic + */ + mx25_fec_init_pins(); + + /* + * Set up the FEC_RESET_B and FEC_ENABLE GPIO pins. + * + * FEC_RESET_B: gpio4[7] is ALT 5 mode of pin D13 + * FEC_ENABLE_B: gpio4[9] is ALT 5 mode of pin D11 + */ + muxctl = (struct iomuxc_mux_ctl *)IMX_IOPADMUX_BASE; + padctl = (struct iomuxc_pad_ctl *)IMX_IOPADCTL_BASE; + + writel(gpio_mux_mode, &muxctl->pad_d13); + writel(gpio_mux_mode, &muxctl->pad_d11); + + writel(0x0, &padctl->pad_d13); + writel(0x0, &padctl->pad_d11); + + /* drop PHY power and assert reset (low) */ + val = readl(&gpio4->dr) & ~((1 << 7) | (1 << 9)); + writel(val, &gpio4->dr); + val = readl(&gpio4->dir) | (1 << 7) | (1 << 9); + writel(val, &gpio4->dir); + + mdelay(5); + + debug("resetting phy\n"); + + /* turn on PHY power leaving reset asserted */ + val = readl(&gpio4->dr) | 1 << 9; + writel(val, &gpio4->dr); + + mdelay(10); + + /* + * Setup some strapping pins that are latched by the PHY + * as reset goes high. + * + * Set PHY mode to 111 + * mode0 comes from FEC_RDATA0 which is GPIO 3_10 in mux mode 5 + * mode1 comes from FEC_RDATA1 which is GPIO 3_11 in mux mode 5 + * mode2 is tied high so nothing to do + * + * Turn on RMII mode + * RMII mode is selected by FEC_RX_DV which is GPIO 3_12 in mux mode + */ + /* + * save three current mux modes and set each to gpio mode + */ + saved_rdata0_mode = readl(&muxctl->pad_fec_rdata0); + saved_rdata1_mode = readl(&muxctl->pad_fec_rdata1); + saved_rx_dv_mode = readl(&muxctl->pad_fec_rx_dv); + + writel(gpio_mux_mode, &muxctl->pad_fec_rdata0); + writel(gpio_mux_mode, &muxctl->pad_fec_rdata1); + writel(gpio_mux_mode, &muxctl->pad_fec_rx_dv); + + /* + * set each to 1 and make each an output + */ + val = readl(&gpio3->dr) | (1 << 10) | (1 << 11) | (1 << 12); + writel(val, &gpio3->dr); + val = readl(&gpio3->dir) | (1 << 10) | (1 << 11) | (1 << 12); + writel(val, &gpio3->dir); + + mdelay(22); /* this value came from RedBoot */ + + /* + * deassert PHY reset + */ + val = readl(&gpio4->dr) | 1 << 7; + writel(val, &gpio4->dr); + writel(val, &gpio4->dr); + + mdelay(5); + + /* + * set FEC pins back + */ + writel(saved_rdata0_mode, &muxctl->pad_fec_rdata0); + writel(saved_rdata1_mode, &muxctl->pad_fec_rdata1); + writel(saved_rx_dv_mode, &muxctl->pad_fec_rx_dv); +} +#else +#define tx25_fec_init() +#endif + +int board_init() +{ +#ifdef CONFIG_MXC_UART + extern void mx25_uart_init_pins(void); + + mx25_uart_init_pins(); +#endif + return 0; +} + +int board_late_init(void) +{ + tx25_fec_init(); + return 0; +} + +int dram_init (void) +{ + + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = get_ram_size((volatile void *)PHYS_SDRAM_1, + PHYS_SDRAM_1_SIZE); +#if CONFIG_NR_DRAM_BANKS > 1 + gd->bd->bi_dram[1].start = PHYS_SDRAM_2; + gd->bd->bi_dram[1].size = get_ram_size((volatile void *)PHYS_SDRAM_2, + PHYS_SDRAM_2_SIZE); +#endif + + return 0; +} + +int checkboard(void) +{ + printf("KARO TX25\n"); + return 0; +} diff --git a/include/configs/tx25.h b/include/configs/tx25.h new file mode 100644 index 0000000..9caf9f5 --- /dev/null +++ b/include/configs/tx25.h @@ -0,0 +1,178 @@ +/* + * (C) Copyright 2009 DENX Software Engineering + * Author: John Rigby jrigby@gmail.com + * + * 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 + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + + +/* + * KARO TX25 board - SoC Configuration + */ +#define CONFIG_ARM926EJS /* arm926ejs CPU core */ +#define CONFIG_MX25 +#define CONFIG_TX25 +#define CONFIG_MX25_CLK32 32000 /* OSC32K frequency */ +#define CONFIG_SYS_HZ 1000 + +#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* 256 kB for U-Boot */ + +/* NAND BOOT is the only boot method */ +#define CONFIG_NAND_U_BOOT + +#ifdef CONFIG_NAND_SPL +/* Start copying real U-boot from the second page */ +#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x800 +#define CONFIG_SYS_NAND_U_BOOT_SIZE 0x30000 +/* Load U-Boot to this address */ +#define CONFIG_SYS_NAND_U_BOOT_DST 0x81f00000 +#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_NAND_U_BOOT_DST + +#define CONFIG_SYS_NAND_PAGE_SIZE 2048 +#define CONFIG_SYS_NAND_SPARE_SIZE 64 +#define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024) +#define CONFIG_SYS_NAND_PAGE_COUNT 64 +#define CONFIG_SYS_NAND_SIZE (128 * 1024 * 1024) +#define CONFIG_SYS_NAND_BAD_BLOCK_POS 0 +#else +#define CONFIG_SKIP_LOWLEVEL_INIT +#define CONFIG_SKIP_RELOCATE_UBOOT +#endif + +#define CONFIG_DISPLAY_CPUINFO + +#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ +#define CONFIG_SETUP_MEMORY_TAGS 1 +#define CONFIG_INITRD_TAG 1 + +/* + * Memory Info + */ +/* malloc() len */ +#define CONFIG_SYS_MALLOC_LEN (1 << 20) /* 1 MiB */ +/* reserved for initial data */ +#define CONFIG_SYS_GBL_DATA_SIZE 128 +/* + * Board has 2 32MB banks of DRAM but there is a bug when using + * both so only the first is configured + */ +#define CONFIG_NR_DRAM_BANKS 1 + +#define PHYS_SDRAM_1 0x80000000 +#define PHYS_SDRAM_1_SIZE 0x02000000 +#if (CONFIG_NR_DRAM_BANKS == 2) +#define PHYS_SDRAM_2 0x90000000 +#define PHYS_SDRAM_2_SIZE 0x02000000 +#endif +/* 8MB DRAM test */ +#define CONFIG_SYS_MEMTEST_START PHYS_SDRAM_1 +#define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_1+0x0800000) +#define CONFIG_STACKSIZE (256 * 1024) /* regular stack */ + +/* + * Serial Info + */ +#define CONFIG_MXC_UART 1 +#define CONFIG_SYS_MX25_UART1 1 +#define CONFIG_CONS_INDEX 1 /* use UART0 for console */ +#define CONFIG_BAUDRATE 115200 /* Default baud rate */ +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +/* + * Flash & Environment + */ +/* No NOR flash present */ +#define CONFIG_SYS_NO_FLASH 1 +#define CONFIG_ENV_IS_IN_NAND +#define CONFIG_ENV_OFFSET CONFIG_SYS_MONITOR_LEN +#define CONFIG_ENV_SIZE (128 * 1024) /* 128 kB NAND block size */ +#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) + +/* NAND */ +#define CONFIG_NAND_MXC +#define CONFIG_NAND_MXC_V1_1 +#define CONFIG_MXC_NAND_REGS_BASE (0xBB000000) +#define CONFIG_SYS_MAX_NAND_DEVICE 1 +#define CONFIG_SYS_NAND_BASE (0xBB000000) +#define CONFIG_JFFS2_NAND +#define CONFIG_MXC_NAND_HWECC + +#define CONFIG_SYS_64BIT_VSPRINTF + +/* U-Boot general configuration */ +#define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */ +#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ +/* Print buffer sz */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ + sizeof(CONFIG_SYS_PROMPT) + 16) +#define CONFIG_SYS_MAXARGS 32 /* max number of command args */ +/* Boot Argument Buffer Size */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE +#define CONFIG_CMDLINE_EDITING +#define CONFIG_SYS_LONGHELP + +/* U-Boot commands */ +#include <config_cmd_default.h> +#define CONFIG_CMD_NAND + +/* + * Ethernet + */ +#define CONFIG_FEC_MXC +#define CONFIG_FEC_MXC_PHYADDR 0x1f +#define CONFIG_MII +#define CONFIG_CMD_NET +#define CONFIG_NET_MULTI +#define BOARD_LATE_INIT +#define CONFIG_ENV_OVERWRITE + +#define CONFIG_BOOTDELAY 5 + +#define CONFIG_LOADADDR 0x81000000 /* loadaddr env var */ +#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR + +#define xstr(s) str(s) +#define str(s) #s + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "netdev=eth0\0" \ + "nfsargs=setenv bootargs root=/dev/nfs rw " \ + "nfsroot=${serverip}:${rootpath}\0" \ + "ramargs=setenv bootargs root=/dev/ram rw\0" \ + "addip=setenv bootargs ${bootargs} " \ + "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \ + ":${hostname}:${netdev}:off panic=1\0" \ + "addtty=setenv bootargs ${bootargs}" \ + " console=ttymxc0,${baudrate}\0" \ + "addmtd=setenv bootargs ${bootargs} ${mtdparts}\0" \ + "addmisc=setenv bootargs ${bootargs}\0" \ + "u-boot=tx25/u-boot.bin\0" \ + "kernel_addr_r=" xstr(CONFIG_LOADADDR) "\0" \ + "hostname=tx25\0" \ + "bootfile=tx25/uImage\0" \ + "rootpath=/opt/eldk/arm\0" \ + "net_nfs=tftp ${kernel_addr_r} ${bootfile};" \ + "run nfsargs addip addtty addmtd addmisc;" \ + "bootm\0" \ + "bootcmd=run net_nfs\0" \ + "load=tftp ${loadaddr} ${u-boot}\0" \ + "update=nand erase 0 40000;nand write ${loadaddr} 0 40000\0" \ + "upd=run load update\0" \ + +#endif /* __CONFIG_H */ diff --git a/nand_spl/board/karo/tx25/Makefile b/nand_spl/board/karo/tx25/Makefile new file mode 100644 index 0000000..ae71f66 --- /dev/null +++ b/nand_spl/board/karo/tx25/Makefile @@ -0,0 +1,78 @@ +# +# (C) Copyright 2009 DENX Software Engineering +# +# 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 Foundatio; 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 +# +CONFIG_NAND_SPL = y + +include $(TOPDIR)/config.mk +include $(TOPDIR)/nand_spl/board/$(BOARDDIR)/config.mk + +LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds +LDFLAGS = -Bstatic -T $(nandobj)u-boot.lds -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS) +AFLAGS += -DCONFIG_PRELOADER -DCONFIG_NAND_SPL +CFLAGS += -DCONFIG_PRELOADER -DCONFIG_NAND_SPL + +SOBJS = start.o lowlevel_init.o +COBJS = nand_boot_fsl_nfc.o + +SRCS := $(SRCTREE)/nand_spl/nand_boot_fsl_nfc.c +SRCS += $(SRCTREE)/cpu/arm926ejs/start.S +SRCS += $(SRCTREE)/board/karo/tx25/lowlevel_init.S +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) $(nandobj)u-boot.lds + cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \ + -Map $(nandobj)u-boot-spl.map \ + -o $@ + +$(nandobj)u-boot.lds: $(LDSCRIPT) + $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@ + +######################################################################### + +$(obj)%.o: $(SRCTREE)/cpu/arm926ejs/%.S + $(CC) $(AFLAGS) -c -o $@ $< + +$(obj)%.o: $(SRCTREE)/board/karo/tx25/%.S + $(CC) $(AFLAGS) -c -o $@ $< + +$(obj)%.o: $(SRCTREE)/nand_spl/%.c + $(CC) $(CFLAGS) -c -o $@ $< + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/nand_spl/board/karo/tx25/config.mk b/nand_spl/board/karo/tx25/config.mk new file mode 100644 index 0000000..68afbf1 --- /dev/null +++ b/nand_spl/board/karo/tx25/config.mk @@ -0,0 +1 @@ +PAD_TO := 2048 diff --git a/nand_spl/board/karo/tx25/u-boot.lds b/nand_spl/board/karo/tx25/u-boot.lds new file mode 100644 index 0000000..423bed3 --- /dev/null +++ b/nand_spl/board/karo/tx25/u-boot.lds @@ -0,0 +1,58 @@ +/* + * (C) Copyright 2009 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * 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 + */ +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + start.o (.text) + lowlevel_init.o (.text) + nand_boot_fsl_nfc.o (.text) + *(.text) + . = 2K; + } + + . = ALIGN(4); + .rodata : { *(.rodata) } + + . = ALIGN(4); + .data : { *(.data) } + + . = ALIGN(4); + .got : { *(.got) } + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = ALIGN(4); + __bss_start = .; + .bss : { *(.bss) } + _end = .; +}