diff options
Diffstat (limited to 'arch/arm/cpu/arm926ejs/mxs')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/Makefile | 60 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/mxsimage-signed.cfg | 10 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/mxsimage.mx23.cfg | 8 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/mxsimage.mx28.cfg | 8 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/spl_boot.c | 35 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds | 2 |
6 files changed, 114 insertions, 9 deletions
diff --git a/arch/arm/cpu/arm926ejs/mxs/Makefile b/arch/arm/cpu/arm926ejs/mxs/Makefile index 209c73c..6c59494 100644 --- a/arch/arm/cpu/arm926ejs/mxs/Makefile +++ b/arch/arm/cpu/arm926ejs/mxs/Makefile @@ -17,9 +17,69 @@ endif MKIMAGE_TARGET-$(CONFIG_MX23) = mxsimage.mx23.cfg MKIMAGE_TARGET-$(CONFIG_MX28) = mxsimage.mx28.cfg +# Generate HAB-capable IVT +# +# Note on computing the post-IVT size field value for the U-Boot binary. +# The value is the result of adding the following: +# -> The size of U-Boot binary aligned to 64B (u-boot.bin) +# -> The size of IVT block aligned to 64B (u-boot.ivt) +# -> The size of U-Boot signature (u-boot.sig), 3904 B +# -> The 64B hole in front of U-Boot binary for 'struct mxs_spl_data' passing +# +quiet_cmd_mkivt_mxs = MXSIVT $@ +cmd_mkivt_mxs = \ + sz=`expr \`stat -c "%s" $^\` + 64 + 3904 + 128` ; \ + echo -n "0x402000d1 $2 0 0 0 $3 $4 0 $$sz 0 0 0 0 0 0 0" | \ + tr -s " " | xargs -d " " -i printf "%08x\n" "{}" | rev | \ + sed "s/\(.\)\(.\)/\\\\\\\\x\2\1\n/g" | xargs -i printf "{}" >$@ + +# Align binary to 64B +quiet_cmd_mkalign_mxs = MXSALGN $@ +cmd_mkalign_mxs = \ + dd if=$^ of=$@ ibs=64 conv=sync 2>/dev/null && \ + mv $@ $^ + +# Assemble the CSF file +quiet_cmd_mkcsfreq_mxs = MXSCSFR $@ +cmd_mkcsfreq_mxs = \ + ivt=$(word 1,$^) ; \ + bin=$(word 2,$^) ; \ + csf=$(word 3,$^) ; \ + sed "s@VENDOR@$(VENDOR)@g;s@BOARD@$(BOARD)@g" "$$csf" | \ + sed '/^\#\#Blocks/ d' > $@ ; \ + echo " Blocks = $2 0x0 `stat -c '%s' $$bin` \"$$bin\" , \\" >> $@ ; \ + echo " $3 0x0 0x40 \"$$ivt\"" >> $@ + +# Sign files +quiet_cmd_mkcst_mxs = MXSCST $@ +cmd_mkcst_mxs = cst -o $@ < $^ \ + $(if $(KBUILD_VERBOSE:1=), >/dev/null) + +spl/u-boot-spl.ivt: spl/u-boot-spl.bin + $(call if_changed,mkalign_mxs) + $(call if_changed,mkivt_mxs,$(CONFIG_SPL_TEXT_BASE),\ + 0x00008000,0x00008040) + +u-boot.ivt: u-boot.bin + $(call if_changed,mkalign_mxs) + $(call if_changed,mkivt_mxs,$(CONFIG_SYS_TEXT_BASE),\ + 0x40001000,0x40001040) + +spl/u-boot-spl.csf: spl/u-boot-spl.ivt spl/u-boot-spl.bin board/$(VENDOR)/$(BOARD)/sign/u-boot-spl.csf + $(call if_changed,mkcsfreq_mxs,$(CONFIG_SPL_TEXT_BASE),0x8000) + +u-boot.csf: u-boot.ivt u-boot.bin board/$(VENDOR)/$(BOARD)/sign/u-boot.csf + $(call if_changed,mkcsfreq_mxs,$(CONFIG_SYS_TEXT_BASE),0x40001000) + +%.sig: %.csf + $(call if_changed,mkcst_mxs) + quiet_cmd_mkimage_mxs = MKIMAGE $@ cmd_mkimage_mxs = $(objtree)/tools/mkimage -n $< -T mxsimage $@ \ $(if $(KBUILD_VERBOSE:1=), >/dev/null) u-boot.sb: $(src)/$(MKIMAGE_TARGET-y) u-boot.bin spl/u-boot-spl.bin FORCE $(call if_changed,mkimage_mxs) + +u-boot-signed.sb: $(src)/mxsimage-signed.cfg u-boot.ivt u-boot.sig spl/u-boot-spl.ivt spl/u-boot-spl.sig FORCE + $(call if_changed,mkimage_mxs) diff --git a/arch/arm/cpu/arm926ejs/mxs/mxsimage-signed.cfg b/arch/arm/cpu/arm926ejs/mxs/mxsimage-signed.cfg new file mode 100644 index 0000000..1520bba --- /dev/null +++ b/arch/arm/cpu/arm926ejs/mxs/mxsimage-signed.cfg @@ -0,0 +1,10 @@ +SECTION 0x0 BOOTABLE + TAG LAST + LOAD 0x1000 spl/u-boot-spl.bin + LOAD 0x8000 spl/u-boot-spl.ivt + LOAD 0x8040 spl/u-boot-spl.sig + CALL HAB 0x8000 0x0 + LOAD 0x40002000 u-boot.bin + LOAD 0x40001000 u-boot.ivt + LOAD 0x40001040 u-boot.sig + CALL HAB 0x40001000 0x0 diff --git a/arch/arm/cpu/arm926ejs/mxs/mxsimage.mx23.cfg b/arch/arm/cpu/arm926ejs/mxs/mxsimage.mx23.cfg index 8118767..55510e9 100644 --- a/arch/arm/cpu/arm926ejs/mxs/mxsimage.mx23.cfg +++ b/arch/arm/cpu/arm926ejs/mxs/mxsimage.mx23.cfg @@ -1,6 +1,6 @@ SECTION 0x0 BOOTABLE TAG LAST - LOAD 0x0 spl/u-boot-spl.bin - CALL 0x14 0x0 - LOAD 0x40000100 u-boot.bin - CALL 0x40000100 0x0 + LOAD 0x1000 spl/u-boot-spl.bin + CALL 0x1000 0x0 + LOAD 0x40002000 u-boot.bin + CALL 0x40002000 0x0 diff --git a/arch/arm/cpu/arm926ejs/mxs/mxsimage.mx28.cfg b/arch/arm/cpu/arm926ejs/mxs/mxsimage.mx28.cfg index ea772f0..bb78cb0 100644 --- a/arch/arm/cpu/arm926ejs/mxs/mxsimage.mx28.cfg +++ b/arch/arm/cpu/arm926ejs/mxs/mxsimage.mx28.cfg @@ -1,8 +1,8 @@ SECTION 0x0 BOOTABLE TAG LAST - LOAD 0x0 spl/u-boot-spl.bin - LOAD IVT 0x8000 0x14 + LOAD 0x1000 spl/u-boot-spl.bin + LOAD IVT 0x8000 0x1000 CALL HAB 0x8000 0x0 - LOAD 0x40000100 u-boot.bin - LOAD IVT 0x8000 0x40000100 + LOAD 0x40002000 u-boot.bin + LOAD IVT 0x8000 0x40002000 CALL HAB 0x8000 0x0 diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_boot.c b/arch/arm/cpu/arm926ejs/mxs/spl_boot.c index 68c30af..d3e1369 100644 --- a/arch/arm/cpu/arm926ejs/mxs/spl_boot.c +++ b/arch/arm/cpu/arm926ejs/mxs/spl_boot.c @@ -13,9 +13,16 @@ #include <asm/arch/imx-regs.h> #include <asm/arch/sys_proto.h> #include <asm/gpio.h> +#include <linux/compiler.h> #include "mxs_init.h" +DECLARE_GLOBAL_DATA_PTR; +static gd_t gdata __section(".data"); +#ifdef CONFIG_SPL_SERIAL_SUPPORT +static bd_t bdata __section(".data"); +#endif + /* * This delay function is intended to be used only in early stage of boot, where * clock are not set up yet. The timer used here is reset on every boot and @@ -102,6 +109,28 @@ static uint8_t mxs_get_bootmode_index(void) return i; } +static void mxs_spl_fixup_vectors(void) +{ + /* + * Copy our vector table to 0x0, since due to HAB, we cannot + * be loaded to 0x0. We want to have working vectoring though, + * thus this fixup. Our vectoring table is PIC, so copying is + * fine. + */ + extern uint32_t _start; + memcpy(0x0, &_start, 0x60); +} + +static void mxs_spl_console_init(void) +{ +#ifdef CONFIG_SPL_SERIAL_SUPPORT + gd->bd = &bdata; + gd->baudrate = CONFIG_BAUDRATE; + serial_init(); + gd->have_console = 1; +#endif +} + void mxs_common_spl_init(const uint32_t arg, const uint32_t *resptr, const iomux_cfg_t *iomux_setup, const unsigned int iomux_size) @@ -109,8 +138,14 @@ void mxs_common_spl_init(const uint32_t arg, const uint32_t *resptr, struct mxs_spl_data *data = (struct mxs_spl_data *) ((CONFIG_SYS_TEXT_BASE - sizeof(struct mxs_spl_data)) & ~0xf); uint8_t bootmode = mxs_get_bootmode_index(); + gd = &gdata; + + mxs_spl_fixup_vectors(); mxs_iomux_setup_multiple_pads(iomux_setup, iomux_size); + + mxs_spl_console_init(); + mxs_power_init(); mxs_mem_init(); diff --git a/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds b/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds index d0b482d..f4bf8ac 100644 --- a/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds +++ b/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds @@ -16,7 +16,7 @@ OUTPUT_ARCH(arm) ENTRY(_start) SECTIONS { - . = 0x00000000; + . = CONFIG_SPL_TEXT_BASE; . = ALIGN(4); .text : |