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author | Wolfgang Denk <wd@denx.de> | 2012-03-30 18:09:08 +0200 |
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committer | Wolfgang Denk <wd@denx.de> | 2012-03-30 18:09:08 +0200 |
commit | bc6f6c87b685bcdcd5bef522982d15209b6b9601 (patch) | |
tree | e5f924a962f002a1015e157a54450dfa9b953e9e /arch/arm/lib | |
parent | f2ea62474b4da9fc41735cbc1fe8491b247e0930 (diff) | |
parent | 4a0764858b0bdcb3508f01b96e3fa32b16cdb30f (diff) | |
download | talos-obmc-uboot-bc6f6c87b685bcdcd5bef522982d15209b6b9601.tar.gz talos-obmc-uboot-bc6f6c87b685bcdcd5bef522982d15209b6b9601.zip |
Merge branch 'master' of git://git.denx.de/u-boot-arm
* 'master' of git://git.denx.de/u-boot-arm: (146 commits)
arm: Use common .lds file where possible
arm: add a common .lds link script
arm: Remove unneeded setting of LDCSRIPT
Define CPUDIR for the .lds link script
arm: Remove zipitz2 link script
Allow arch directory to contain .lds without requiring Makefile
OMAP: Remove omap1610inn-based boards
arch/arm/cpu/armv7/omap-common/clocks-common.c: Fix build warnings
board/ti/beagle/beagle.c: Fix build warnings
sdrc.c: Fix typo in do_sdrc_init() for SPL
tegra: i2c: Add I2C driver
tegra: fdt: i2c: Add extra I2C bindings for U-Boot
tegra: i2c: Select I2C ordering for Seaboard
tegra: i2c: Enable I2C on Seaboard
tegra: i2c: Select number of controllers for Tegra2 boards
tegra: i2c: Initialise I2C on Nvidia boards
tegra: Enhance clock support to handle 16-bit clock divisors
fdt: Add function to allow aliases to refer to multiple nodes
tegra: Rename NV_PA_PMC_BASE to TEGRA2_PMC_BASE
tegra: fdt: Enable FDT support for Ventana
tegra: fdt: Enable FDT support for Seaboard
tegra: usb: Enable USB on Seaboard
tegra: usb: Add common USB defines for tegra2 boards
tegra: usb: Add USB support to nvidia boards
arm: Check for valid FDT after console is up
fdt: Avoid early panic() when there is no FDT present
tegra: usb: Add support for Tegra USB peripheral
tegra: fdt: Add function to return peripheral/clock ID
usb: Add support for txfifo threshold
tegra: usb: fdt: Add USB definitions for Tegra2 Seaboard
tegra: usb: fdt: Add additional device tree definitions for USB ports
tegra: fdt: Add clock bindings for Tegra2 Seaboard
tegra: fdt: Add clock bindings
tegra: fdt: Add additional USB binding
fdt: Add tegra-usb bindings file from linux
fdt: Add staging area for device tree binding documentation
tegra: fdt: Add device tree file for Tegra2 Seaboard from kernel
tegra: fdt: Add Tegra2x device tree file from kernel
arm: fdt: Add skeleton device tree file from kernel
fdt: Add basic support for decoding GPIO definitions
fdt: Add functions to access phandles, arrays and bools
fdt: Tidy up a few fdtdec problems
fdt: Add tests for fdtdec
fdt: Add fdtdec_find_aliases() to deal with alias nodes
arm: Tegra2: Fix ELDK42 gcc failure with inline asm stack pointer load
net: fec_mxc: allow use with cache enabled
net: force PKTALIGN to ARCH_DMA_MINALIGN
i.MX28: Enable caches by default
i.MX28: Make use of the bounce buffer
i.MX28: Do data transfers via DMA in MMC driver
MMC: Implement generic bounce buffer
i.MX28: Add cache support to MXS NAND driver
i.MX28: Add cache support into the APBH DMA driver
ARM926EJS: Implement cache operations
board/vpac270/onenand.c: Fix build errors
nhk8815: fix build errors
atmel-boards: add missing atmel_mci.h
ARM: highbank: setup env from boot source register
ARM: highbank: change env config to use nvram
ARM: highbank: add reset support
ARM: highbank: Add boot counter support
ARM: highbank: change TEXT_BASE to 0x8000
ARM: highbank: fix us_to_tick calculation
ARM: highbank: add missing get_tbclk
ARM: highbank: fix warning for calxedaxgmac_initialize
net: calxedaxgmac: fix build due to missing __aligned definition
EXYNOS: Add structure for Exynos4 DMC
EXYNOS: SMDK5250: Support all 4 UARTs
ARM: fix s3c2410 timer code
ARM: davinci: fixes for cam_enc_4xx board
omap3_spi: receive transmit mode
calimain, enbw_cmc: Fix typo in comments
Davinci: ea20: use gpio framework to access gpios
OMAP3: mt_ventoux: sets its own mtdparts
OMAP3: mt_ventoux: updated timing for FPGA
twl4030: fix potential power supply handling issues
NAND: TI: fix warnings in omap_gpmc.c
cam_enc_4xx: Rename 'images' to 'imgs'
arm: Add Prep subcommand support to bootm
OMAP3: twister: add support to boot Linux from SPL
SPL: call cleanup_before_linux() before booting Linux
OMAP3: SPL: do not call I2C init if no I2C is set.
Add cache functions to SPL for armv7
devkit8000: Implement and activate direct OS boot
omap/spl: change output of spl_parse_image_header
omap-common/spl: Add linux boot to SPL
devkit8000/spl: init GPMC for dm9000 in SPL
omap-common: Add NAND SPL linux booting
devkit8000: add config for spl command
Add cmd_spl command
mx53ard: Initialize return code with error
mx53: Make PLL2 to be the parent of UART clock
configs: imx: Use CONFIG_SF_DEFAULT_CS
mx28evk: Provide default values for SPI bus and chip select
USB: ehci-mx6: Add proper IO accessors
mx6: Read silicon revision from register
i.MX28: Drop __naked function from spl_mem_init
mxs_spi: Return proper timeout error
i.MX28: Make the stabilization delays shorter
pmic_i2c: Return error in case of invalid pmic_i2c_tx_num
mx6: Remove duplicate definition of ANATOP_BASE_ADDR
mx6: Fix reset cause for Power On Reset case
i.MX6: mx6qsabrelite: add MACH_TYPE_MX6Q_SABRELITE
i.MX6: mx6q_sabrelite: add CONFIG_REVISION_TAG
i.MX28: Enable additional DRAM address bits
mx6q: mx6qsabrelite: setup_spi() should be called in board_init to allow use for environment
mx31: add "ARM11P power gating" to get_reset_cause
mx31pdk: Fix CONFIG_SYS_MEMTEST_END
efikamx: Fix CONFIG_SYS_MEMTEST_END
mx53smd: Fix CONFIG_SYS_MEMTEST_END
mx53evk: Fix CONFIG_SYS_MEMTEST_END
mx51evk: Fix CONFIG_SYS_MEMTEST_END
i.MX6: mx6qsabrelite: add ext2 support
imximage: Remove overwriting of flash_offset
IXP: Fix GPIO_INT_ACT_LOW_SET()
IXP: Fix NAND build warning on PDNB3 and SCPU
IXP: Move PDNB3 and SCPU from Makefile to boards.cfg
IXP: Squash warnings in IXP NPE
IXP: Fix missing MACH_TYPE_{ACTUX?,PNB3,DVLHOST}
IXP: Make IXP buildable with arm-linux- toolchains
Examples: Properly append LDFLAGS to LD command
SPL: Enable YMODEM support on BeagleBone and AM335x EVM
SPL: Add YMODEM over UART load support
SPL: Add README.omap3
README: document more SPL config options
spl.c: Use __noreturn decorator
config.mk: Check for -fstack-usage support
config.mk: Make cc-option create a file under include/generated
...
Diffstat (limited to 'arch/arm/lib')
-rw-r--r-- | arch/arm/lib/Makefile | 5 | ||||
-rw-r--r-- | arch/arm/lib/board.c | 8 | ||||
-rw-r--r-- | arch/arm/lib/bootm.c | 349 |
3 files changed, 191 insertions, 171 deletions
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile index 300c8fab2d..39a9550376 100644 --- a/arch/arm/lib/Makefile +++ b/arch/arm/lib/Makefile @@ -39,8 +39,6 @@ GLCOBJS += div0.o COBJS-y += board.o COBJS-y += bootm.o -COBJS-y += cache.o -COBJS-y += cache-cp15.o COBJS-$(CONFIG_SYS_L2_PL310) += cache-pl310.o COBJS-y += interrupts.o COBJS-y += reset.o @@ -48,6 +46,9 @@ SOBJS-$(CONFIG_USE_ARCH_MEMSET) += memset.o SOBJS-$(CONFIG_USE_ARCH_MEMCPY) += memcpy.o endif +COBJS-y += cache.o +COBJS-y += cache-cp15.o + SRCS := $(GLSOBJS:.o=.S) $(GLCOBJS:.o=.c) \ $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y)) diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c index b9b35de61a..5270c11262 100644 --- a/arch/arm/lib/board.c +++ b/arch/arm/lib/board.c @@ -293,6 +293,14 @@ void board_init_f(ulong bootflag) } } +#ifdef CONFIG_OF_CONTROL + /* For now, put this check after the console is ready */ + if (fdtdec_prepare_fdt()) { + panic("** CONFIG_OF_CONTROL defined but no FDT - please see " + "doc/README.fdt-control"); + } +#endif + debug("monitor len: %08lX\n", gd->mon_len); /* * Ram is setup, size stored in gd !! diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c index 2961ab2ac6..160ba55111 100644 --- a/arch/arm/lib/bootm.c +++ b/arch/arm/lib/bootm.c @@ -1,4 +1,8 @@ -/* +/* Copyright (C) 2011 + * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de> + * - Added prep subcommand support + * - Reorganized source - modeled after powerpc version + * * (C) Copyright 2002 * Sysgo Real-Time Solutions, GmbH <www.elinos.com> * Marius Groeger <mgroeger@sysgo.de> @@ -29,35 +33,26 @@ #include <fdt.h> #include <libfdt.h> #include <fdt_support.h> +#include <asm/bootm.h> DECLARE_GLOBAL_DATA_PTR; -#if defined (CONFIG_SETUP_MEMORY_TAGS) || \ - defined (CONFIG_CMDLINE_TAG) || \ - defined (CONFIG_INITRD_TAG) || \ - defined (CONFIG_SERIAL_TAG) || \ - defined (CONFIG_REVISION_TAG) -static void setup_start_tag (bd_t *bd); - -# ifdef CONFIG_SETUP_MEMORY_TAGS -static void setup_memory_tags (bd_t *bd); -# endif -static void setup_commandline_tag (bd_t *bd, char *commandline); - -# ifdef CONFIG_INITRD_TAG -static void setup_initrd_tag (bd_t *bd, ulong initrd_start, - ulong initrd_end); -# endif -static void setup_end_tag (bd_t *bd); - +#if defined(CONFIG_SETUP_MEMORY_TAGS) || \ + defined(CONFIG_CMDLINE_TAG) || \ + defined(CONFIG_INITRD_TAG) || \ + defined(CONFIG_SERIAL_TAG) || \ + defined(CONFIG_REVISION_TAG) static struct tag *params; -#endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */ - -static ulong get_sp(void); -#if defined(CONFIG_OF_LIBFDT) -static int bootm_linux_fdt(int machid, bootm_headers_t *images); #endif +static ulong get_sp(void) +{ + ulong ret; + + asm("mov %0, sp" : "=r"(ret) : ); + return ret; +} + void arch_lmb_reserve(struct lmb *lmb) { ulong sp; @@ -80,89 +75,7 @@ void arch_lmb_reserve(struct lmb *lmb) gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size - sp); } -static void announce_and_cleanup(void) -{ - printf("\nStarting kernel ...\n\n"); - bootstage_mark_name(BOOTSTAGE_ID_BOOTM_HANDOFF, "start_kernel"); -#ifdef CONFIG_BOOTSTAGE_REPORT - bootstage_report(); -#endif - -#ifdef CONFIG_USB_DEVICE - { - extern void udc_disconnect(void); - udc_disconnect(); - } -#endif - cleanup_before_linux(); -} - -int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) -{ - bd_t *bd = gd->bd; - char *s; - int machid = bd->bi_arch_number; - void (*kernel_entry)(int zero, int arch, uint params); - -#ifdef CONFIG_CMDLINE_TAG - char *commandline = getenv ("bootargs"); -#endif - - if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) - return 1; - - s = getenv ("machid"); - if (s) { - machid = simple_strtoul (s, NULL, 16); - printf ("Using machid 0x%x from environment\n", machid); - } - - bootstage_mark(BOOTSTAGE_ID_RUN_OS); - #ifdef CONFIG_OF_LIBFDT - if (images->ft_len) - return bootm_linux_fdt(machid, images); -#endif - - kernel_entry = (void (*)(int, int, uint))images->ep; - - debug ("## Transferring control to Linux (at address %08lx) ...\n", - (ulong) kernel_entry); - -#if defined (CONFIG_SETUP_MEMORY_TAGS) || \ - defined (CONFIG_CMDLINE_TAG) || \ - defined (CONFIG_INITRD_TAG) || \ - defined (CONFIG_SERIAL_TAG) || \ - defined (CONFIG_REVISION_TAG) - setup_start_tag (bd); -#ifdef CONFIG_SERIAL_TAG - setup_serial_tag (¶ms); -#endif -#ifdef CONFIG_REVISION_TAG - setup_revision_tag (¶ms); -#endif -#ifdef CONFIG_SETUP_MEMORY_TAGS - setup_memory_tags (bd); -#endif -#ifdef CONFIG_CMDLINE_TAG - setup_commandline_tag (bd, commandline); -#endif -#ifdef CONFIG_INITRD_TAG - if (images->rd_start && images->rd_end) - setup_initrd_tag (bd, images->rd_start, images->rd_end); -#endif - setup_end_tag(bd); -#endif - - announce_and_cleanup(); - - kernel_entry(0, machid, bd->bi_boot_params); - /* does not return */ - - return 1; -} - -#if defined(CONFIG_OF_LIBFDT) static int fixup_memory_node(void *blob) { bd_t *bd = gd->bd; @@ -177,60 +90,30 @@ static int fixup_memory_node(void *blob) return fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS); } +#endif -static int bootm_linux_fdt(int machid, bootm_headers_t *images) +static void announce_and_cleanup(void) { - ulong rd_len; - void (*kernel_entry)(int zero, int dt_machid, void *dtblob); - ulong of_size = images->ft_len; - char **of_flat_tree = &images->ft_addr; - ulong *initrd_start = &images->initrd_start; - ulong *initrd_end = &images->initrd_end; - struct lmb *lmb = &images->lmb; - int ret; - - kernel_entry = (void (*)(int, int, void *))images->ep; - - boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree); - - rd_len = images->rd_end - images->rd_start; - ret = boot_ramdisk_high(lmb, images->rd_start, rd_len, - initrd_start, initrd_end); - if (ret) - return ret; - - ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size); - if (ret) - return ret; - - debug("## Transferring control to Linux (at address %08lx) ...\n", - (ulong) kernel_entry); - - fdt_chosen(*of_flat_tree, 1); - - fixup_memory_node(*of_flat_tree); - - fdt_fixup_ethernet(*of_flat_tree); - - fdt_initrd(*of_flat_tree, *initrd_start, *initrd_end, 1); - - announce_and_cleanup(); - - kernel_entry(0, machid, *of_flat_tree); - /* does not return */ + printf("\nStarting kernel ...\n\n"); + bootstage_mark_name(BOOTSTAGE_ID_BOOTM_HANDOFF, "start_kernel"); +#ifdef CONFIG_BOOTSTAGE_REPORT + bootstage_report(); +#endif - return 1; -} +#ifdef CONFIG_USB_DEVICE + udc_disconnect(); #endif + cleanup_before_linux(); +} -#if defined (CONFIG_SETUP_MEMORY_TAGS) || \ - defined (CONFIG_CMDLINE_TAG) || \ - defined (CONFIG_INITRD_TAG) || \ - defined (CONFIG_SERIAL_TAG) || \ - defined (CONFIG_REVISION_TAG) +#if defined(CONFIG_SETUP_MEMORY_TAGS) || \ + defined(CONFIG_CMDLINE_TAG) || \ + defined(CONFIG_INITRD_TAG) || \ + defined(CONFIG_SERIAL_TAG) || \ + defined(CONFIG_REVISION_TAG) static void setup_start_tag (bd_t *bd) { - params = (struct tag *) bd->bi_boot_params; + params = (struct tag *)bd->bi_boot_params; params->hdr.tag = ATAG_CORE; params->hdr.size = tag_size (tag_core); @@ -241,10 +124,10 @@ static void setup_start_tag (bd_t *bd) params = tag_next (params); } - +#endif #ifdef CONFIG_SETUP_MEMORY_TAGS -static void setup_memory_tags (bd_t *bd) +static void setup_memory_tags(bd_t *bd) { int i; @@ -258,10 +141,10 @@ static void setup_memory_tags (bd_t *bd) params = tag_next (params); } } -#endif /* CONFIG_SETUP_MEMORY_TAGS */ - +#endif -static void setup_commandline_tag (bd_t *bd, char *commandline) +#ifdef CONFIG_CMDLINE_TAG +static void setup_commandline_tag(bd_t *bd, char *commandline) { char *p; @@ -285,10 +168,10 @@ static void setup_commandline_tag (bd_t *bd, char *commandline) params = tag_next (params); } - +#endif #ifdef CONFIG_INITRD_TAG -static void setup_initrd_tag (bd_t *bd, ulong initrd_start, ulong initrd_end) +static void setup_initrd_tag(bd_t *bd, ulong initrd_start, ulong initrd_end) { /* an ATAG_INITRD node tells the kernel where the compressed * ramdisk can be found. ATAG_RDIMG is a better name, actually. @@ -301,10 +184,10 @@ static void setup_initrd_tag (bd_t *bd, ulong initrd_start, ulong initrd_end) params = tag_next (params); } -#endif /* CONFIG_INITRD_TAG */ +#endif #ifdef CONFIG_SERIAL_TAG -void setup_serial_tag (struct tag **tmp) +void setup_serial_tag(struct tag **tmp) { struct tag *params = *tmp; struct tag_serialnr serialnr; @@ -332,19 +215,147 @@ void setup_revision_tag(struct tag **in_params) params->u.revision.rev = rev; params = tag_next (params); } -#endif /* CONFIG_REVISION_TAG */ +#endif -static void setup_end_tag (bd_t *bd) +#if defined(CONFIG_SETUP_MEMORY_TAGS) || \ + defined(CONFIG_CMDLINE_TAG) || \ + defined(CONFIG_INITRD_TAG) || \ + defined(CONFIG_SERIAL_TAG) || \ + defined(CONFIG_REVISION_TAG) +static void setup_end_tag(bd_t *bd) { params->hdr.tag = ATAG_NONE; params->hdr.size = 0; } -#endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */ +#endif -static ulong get_sp(void) +#ifdef CONFIG_OF_LIBFDT +static int create_fdt(bootm_headers_t *images) { - ulong ret; + ulong of_size = images->ft_len; + char **of_flat_tree = &images->ft_addr; + ulong *initrd_start = &images->initrd_start; + ulong *initrd_end = &images->initrd_end; + struct lmb *lmb = &images->lmb; + ulong rd_len; + int ret; - asm("mov %0, sp" : "=r"(ret) : ); - return ret; + debug("using: FDT\n"); + + boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree); + + rd_len = images->rd_end - images->rd_start; + ret = boot_ramdisk_high(lmb, images->rd_start, rd_len, + initrd_start, initrd_end); + if (ret) + return ret; + + ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size); + if (ret) + return ret; + + fdt_chosen(*of_flat_tree, 1); + fixup_memory_node(*of_flat_tree); + fdt_initrd(*of_flat_tree, *initrd_start, *initrd_end, 1); + + return 0; +} +#endif + +/* Subcommand: PREP */ +static void boot_prep_linux(bootm_headers_t *images) +{ +#ifdef CONFIG_CMDLINE_TAG + char *commandline = getenv("bootargs"); +#endif + +#ifdef CONFIG_OF_LIBFDT + if (images->ft_len) { + debug("using: FDT\n"); + if (create_fdt(images)) { + printf("FDT creation failed! hanging..."); + hang(); + } + } else +#endif + { +#if defined(CONFIG_SETUP_MEMORY_TAGS) || \ + defined(CONFIG_CMDLINE_TAG) || \ + defined(CONFIG_INITRD_TAG) || \ + defined(CONFIG_SERIAL_TAG) || \ + defined(CONFIG_REVISION_TAG) + debug("using: ATAGS\n"); + setup_start_tag(gd->bd); +#ifdef CONFIG_SERIAL_TAG + setup_serial_tag(¶ms); +#endif +#ifdef CONFIG_CMDLINE_TAG + setup_commandline_tag(gd->bd, commandline); +#endif +#ifdef CONFIG_REVISION_TAG + setup_revision_tag(¶ms); +#endif +#ifdef CONFIG_SETUP_MEMORY_TAGS + setup_memory_tags(gd->bd); +#endif +#ifdef CONFIG_INITRD_TAG + if (images->rd_start && images->rd_end) + setup_initrd_tag(gd->bd, images->rd_start, + images->rd_end); +#endif + setup_end_tag(gd->bd); +#else /* all tags */ + printf("FDT and ATAGS support not compiled in - hanging\n"); + hang(); +#endif /* all tags */ + } +} + +/* Subcommand: GO */ +static void boot_jump_linux(bootm_headers_t *images) +{ + unsigned long machid = gd->bd->bi_arch_number; + char *s; + void (*kernel_entry)(int zero, int arch, uint params); + + kernel_entry = (void (*)(int, int, uint))images->ep; + + s = getenv("machid"); + if (s) { + strict_strtoul(s, 16, &machid); + printf("Using machid 0x%lx from environment\n", machid); + } + + debug("## Transferring control to Linux (at address %08lx)" \ + "...\n", (ulong) kernel_entry); + bootstage_mark(BOOTSTAGE_ID_RUN_OS); + announce_and_cleanup(); + kernel_entry(0, machid, gd->bd->bi_boot_params); +} + +/* Main Entry point for arm bootm implementation + * + * Modeled after the powerpc implementation + * DIFFERENCE: Instead of calling prep and go at the end + * they are called if subcommand is equal 0. + */ +int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) +{ + /* No need for those on ARM */ + if (flag & BOOTM_STATE_OS_BD_T || flag & BOOTM_STATE_OS_CMDLINE) + return -1; + + if (flag & BOOTM_STATE_OS_PREP) { + boot_prep_linux(images); + return 0; + } + + if (flag & BOOTM_STATE_OS_GO) { + boot_jump_linux(images); + return 0; + } + + boot_prep_linux(images); + boot_jump_linux(images); + return 0; } |