[Uboot-stm32] [PATCH 03/10] stm32mp: stm32prog: add support of initrd in flashlayout
Patrice CHOTARD
patrice.chotard at foss.st.com
Fri Jun 18 09:57:40 CEST 2021
On 5/28/21 2:53 PM, Patrice CHOTARD wrote:
> HI Patrick
>
> On 5/18/21 3:12 PM, Patrick Delaunay wrote:
>> Add the support in command stm32prog of kernel load and start
>> with initrd file, identify by the partition Type "Binary" in
>> the flashlayout.tsv, for example:
>>
>> - 0x01 fsbl Binary none 0x0 tfa.stm32
>> - 0x03 fip Binary none 0x0 fip.bin
>> P 0x10 kernel System ram0 0xC2000000 uImage.bin
>> P 0x11 dtb FileSystem ram0 0xC4000000 board.dtb
>> P 0x12 initrd Binary ram0 0xC4400000 <initrd>
>>
>> The <initrd> file can be a legacy image "uInitrd", generated
>> with mkimage, or a RAW initrd image "initrd.gz".
>>
>> After a DFU detach the bootm command with be executed
>> with the associated address, for example:
>>
>> $> bootm 0xC2000000 0xC4400000:<size> 0xC4000000
>>
>> When the "Binary" partition type is absent, the 'bootm'
>> command starts the kernel without ramdisk, for example:
>>
>> $> bootm 0xC2000000 - 0xC4000000
>>
>> With this paths, it is no more mandatory to generate FIT
>> including the kernel, DT and initrd:
>>
>> - 0x01 fsbl Binary none 0x0 tfa.stm32
>> - 0x03 fip Binary none 0x0 fip.bin
>> P 0x10 fit System ram0 0xC2000000 fit.bin
>>
>> Signed-off-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
>> ---
>>
>> .../cmd_stm32prog/cmd_stm32prog.c | 22 +++++++++++++------
>> .../mach-stm32mp/cmd_stm32prog/stm32prog.c | 10 ++++++---
>> .../mach-stm32mp/cmd_stm32prog/stm32prog.h | 2 ++
>> 3 files changed, 24 insertions(+), 10 deletions(-)
>>
>> diff --git a/arch/arm/mach-stm32mp/cmd_stm32prog/cmd_stm32prog.c b/arch/arm/mach-stm32mp/cmd_stm32prog/cmd_stm32prog.c
>> index e36501a86b..e584bb52bd 100644
>> --- a/arch/arm/mach-stm32mp/cmd_stm32prog/cmd_stm32prog.c
>> +++ b/arch/arm/mach-stm32mp/cmd_stm32prog/cmd_stm32prog.c
>> @@ -45,7 +45,6 @@ static int do_stm32prog(struct cmd_tbl *cmdtp, int flag, int argc,
>> bool reset = false;
>> struct image_header_s header;
>> struct stm32prog_data *data;
>> - u32 uimage, dtb;
>>
>> if (argc < 3 || argc > 5)
>> return CMD_RET_USAGE;
>> @@ -119,21 +118,23 @@ static int do_stm32prog(struct cmd_tbl *cmdtp, int flag, int argc,
>> goto cleanup;
>> }
>>
>> - uimage = data->uimage;
>> - dtb = data->dtb;
>> -
>> stm32prog_clean(data);
>> free(stm32prog_data);
>> stm32prog_data = NULL;
>>
>> puts("Download done\n");
>>
>> - if (uimage) {
>> + if (data->uimage) {
>> char boot_addr_start[20];
>> char dtb_addr[20];
>> + char initrd_addr[40];
>> char *bootm_argv[5] = {
>> "bootm", boot_addr_start, "-", dtb_addr, NULL
>> };
>> + u32 uimage = data->uimage;
>> + u32 dtb = data->dtb;
>> + u32 initrd = data->initrd;
>> +
>> if (!dtb)
>> bootm_argv[3] = env_get("fdtcontroladdr");
>> else
>> @@ -142,8 +143,15 @@ static int do_stm32prog(struct cmd_tbl *cmdtp, int flag, int argc,
>>
>> snprintf(boot_addr_start, sizeof(boot_addr_start) - 1,
>> "0x%x", uimage);
>> - printf("Booting kernel at %s - %s...\n\n\n",
>> - boot_addr_start, bootm_argv[3]);
>> +
>> + if (initrd) {
>> + snprintf(initrd_addr, sizeof(initrd_addr) - 1, "0x%x:0x%x",
>> + initrd, data->initrd_size);
>> + bootm_argv[2] = initrd_addr;
>> + }
>> +
>> + printf("Booting kernel at %s %s %s...\n\n\n",
>> + boot_addr_start, bootm_argv[2], bootm_argv[3]);
>> /* Try bootm for legacy and FIT format image */
>> if (genimg_get_format((void *)uimage) != IMAGE_FORMAT_INVALID)
>> do_bootm(cmdtp, 0, 4, bootm_argv);
>> diff --git a/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c b/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c
>> index 84b880261a..ea69d5dd16 100644
>> --- a/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c
>> +++ b/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c
>> @@ -1473,7 +1473,7 @@ error:
>> return ret;
>> }
>>
>> -static void stm32prog_end_phase(struct stm32prog_data *data)
>> +static void stm32prog_end_phase(struct stm32prog_data *data, u64 offset)
>> {
>> if (data->phase == PHASE_FLASHLAYOUT) {
>> if (parse_flash_layout(data, STM32_DDR_BASE, 0))
>> @@ -1489,6 +1489,10 @@ static void stm32prog_end_phase(struct stm32prog_data *data)
>> data->uimage = data->cur_part->addr;
>> if (data->cur_part->part_type == PART_FILESYSTEM)
>> data->dtb = data->cur_part->addr;
>> + if (data->cur_part->part_type == PART_BINARY) {
>> + data->initrd = data->cur_part->addr;
>> + data->initrd_size = offset;
>> + }
>> }
>>
>> if (CONFIG_IS_ENABLED(MMC) &&
>> @@ -1747,7 +1751,7 @@ void dfu_flush_callback(struct dfu_entity *dfu)
>> if (dfu->dev_type == DFU_DEV_RAM) {
>> if (dfu->alt == 0 &&
>> stm32prog_data->phase == PHASE_FLASHLAYOUT) {
>> - stm32prog_end_phase(stm32prog_data);
>> + stm32prog_end_phase(stm32prog_data, dfu->offset);
>> /* waiting DFU DETACH for reenumeration */
>> }
>> }
>> @@ -1756,7 +1760,7 @@ void dfu_flush_callback(struct dfu_entity *dfu)
>> return;
>>
>> if (dfu->alt == stm32prog_data->cur_part->alt_id) {
>> - stm32prog_end_phase(stm32prog_data);
>> + stm32prog_end_phase(stm32prog_data, dfu->offset);
>> stm32prog_next_phase(stm32prog_data);
>> }
>> }
>> diff --git a/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h b/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h
>> index ad404879a7..efb51a3022 100644
>> --- a/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h
>> +++ b/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h
>> @@ -142,6 +142,8 @@ struct stm32prog_data {
>> /* bootm information */
>> u32 uimage;
>> u32 dtb;
>> + u32 initrd;
>> + u32 initrd_size;
>> };
>>
>> extern struct stm32prog_data *stm32prog_data;
>>
>
> Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>
>
> Thanks
> Patrice
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Applied on u-boot-stm32/next
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