[PATCH V2 10/46] arm: imx8ulp: add container support

Peng Fan peng.fan at nxp.com
Mon Jul 19 03:41:06 CEST 2021


Hi Stefano,

> Subject: Re: [PATCH V2 10/46] arm: imx8ulp: add container support
> 
> Hi peng, Ye,
> 
> On 29.06.21 04:32, Peng Fan (OSS) wrote:
> > From: Ye Li <ye.li at nxp.com>
> >
> > i.MX8ULP support using ROM API to load container image, it use same
> > ROM API as i.MX8MN/MP, and use same container format as
> i.MX8QM/QXP.
> >
> > Signed-off-by: Ye Li <ye.li at nxp.com>
> > Signed-off-by: Peng Fan <peng.fan at nxp.com>
> > ---
> >   arch/arm/include/asm/arch-imx8ulp/sys_proto.h |   2 +
> >   arch/arm/include/asm/mach-imx/image.h         |   2 +
> >   arch/arm/include/asm/mach-imx/sys_proto.h     |   2 +-
> >   arch/arm/mach-imx/Kconfig                     |   2 +-
> >   arch/arm/mach-imx/image-container.c           |  42 ++++-
> >   arch/arm/mach-imx/imx8ulp/soc.c               |   2 +
> >   arch/arm/mach-imx/spl_imx_romapi.c            | 172
> ++++++++++++++----
> >   7 files changed, 177 insertions(+), 47 deletions(-)
> >
> > diff --git a/arch/arm/include/asm/arch-imx8ulp/sys_proto.h
> > b/arch/arm/include/asm/arch-imx8ulp/sys_proto.h
> > index 8894611a0f..a8f632f45e 100644
> > --- a/arch/arm/include/asm/arch-imx8ulp/sys_proto.h
> > +++ b/arch/arm/include/asm/arch-imx8ulp/sys_proto.h
> > @@ -10,5 +10,7 @@
> >
> 
> This breaks after bisecting all mx8mn boards. For example:
> 
>     aarch64:  +   imx8mn_beacon_2g
> +arch/arm/mach-imx/imx8ulp/Kconfig:10:warning: config symbol defined
> without type
> +===================== WARNING ====================== This board
> uses
> +CONFIG_SPL_FIT_GENERATOR. Please migrate to binman instead, to avoid
> +the proliferation of arch-specific scripts with no tests.
> +====================================================
> +WARNING 'lpddr4_pmu_train_1d_imem.bin' not found, resulting binary is
> not-functional
> +arch/arm/mach-imx/spl_imx_romapi.c: In function
> 'spl_romapi_load_image_stream':
> +arch/arm/mach-imx/spl_imx_romapi.c:352:5: error: lvalue required as
> left operand of assignment
> +  352 |  gd = pgd;

I forgot to replace this.

diff --git a/arch/arm/mach-imx/spl_imx_romapi.c b/arch/arm/mach-imx/spl_imx_romapi.c
index 564cc400c1..17c35ced13 100644
--- a/arch/arm/mach-imx/spl_imx_romapi.c
+++ b/arch/arm/mach-imx/spl_imx_romapi.c
@@ -349,7 +349,7 @@ static int spl_romapi_load_image_stream(struct spl_image_info *spl_image,

        ret = g_rom_api->download_image(p, 0, imagesize,
                                        ((uintptr_t)p) ^ imagesize);
-       gd = pgd;
+       set_gd(pgd);
        if (ret != ROM_API_OKAY)
                printf("ROM download failure %d\n", imagesize);

I'll rebase, run the buildman and repost.

Thanks,
Peng.


> +      |     ^
> +make[2]: *** [scripts/Makefile.build:266:
> arch/arm/mach-imx/spl_imx_romapi.o] Error 1
> +make[1]: *** [Makefile:1815: arch/arm/mach-imx] Error 2
> +make: *** [Makefile:171: sub-make] Error 2
> 
> Peng, in the series there are 2 patches related to i.MX7ULP that are unrelated
> to the object this series. I am taking them out and applying to -master, you do
> not need to repost them.
> 
> I have checked if I can  apply some of the patches here, but it becomes a
> mess if I do. So please repost them after fixing this.
> 
> Best regards,
> Stefano
> 
> >   extern unsigned long rom_pointer[];
> >
> > +ulong spl_romapi_raw_seekable_read(u32 offset, u32 size, void *buf);
> > +ulong spl_romapi_get_uboot_base(u32 image_offset, u32 rom_bt_dev);
> >   enum bt_mode get_boot_mode(void);
> >   #endif
> > diff --git a/arch/arm/include/asm/mach-imx/image.h
> > b/arch/arm/include/asm/mach-imx/image.h
> > index 547beeb986..ee67ca96f4 100644
> > --- a/arch/arm/include/asm/mach-imx/image.h
> > +++ b/arch/arm/include/asm/mach-imx/image.h
> > @@ -64,4 +64,6 @@ struct generate_key_blob_hdr {
> >   	u8 algorithm;
> >   	u8 mode;
> >   } __packed;
> > +
> > +int get_container_size(ulong addr, u16 *header_length);
> >   #endif
> > diff --git a/arch/arm/include/asm/mach-imx/sys_proto.h
> > b/arch/arm/include/asm/mach-imx/sys_proto.h
> > index e3ee58c9f8..444834995e 100644
> > --- a/arch/arm/include/asm/mach-imx/sys_proto.h
> > +++ b/arch/arm/include/asm/mach-imx/sys_proto.h
> > @@ -145,7 +145,7 @@ struct rproc_att {
> >   	u32 size; /* size of reg range */
> >   };
> >
> > -#ifdef CONFIG_IMX8M
> > +#if defined(CONFIG_IMX8M) || defined(CONFIG_IMX8ULP)
> >   struct rom_api {
> >   	u16 ver;
> >   	u16 tag;
> > diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
> > index 26bfc5ccc4..c089664375 100644
> > --- a/arch/arm/mach-imx/Kconfig
> > +++ b/arch/arm/mach-imx/Kconfig
> > @@ -161,7 +161,7 @@ config DDRMC_VF610_CALIBRATION
> >
> >   config SPL_IMX_ROMAPI_LOADADDR
> >   	hex "Default load address to load image through ROM API"
> > -	depends on IMX8MN || IMX8MP
> > +	depends on IMX8MN || IMX8MP || IMX8ULP
> >
> >   config IMX_DCD_ADDR
> >   	hex "DCD Blocks location on the image"
> > diff --git a/arch/arm/mach-imx/image-container.c
> > b/arch/arm/mach-imx/image-container.c
> > index 9e18f6630f..c3f62872c6 100644
> > --- a/arch/arm/mach-imx/image-container.c
> > +++ b/arch/arm/mach-imx/image-container.c
> > @@ -19,8 +19,9 @@
> >   #define QSPI_DEV	1
> >   #define NAND_DEV	2
> >   #define QSPI_NOR_DEV	3
> > +#define ROM_API_DEV	4
> >
> > -static int __get_container_size(ulong addr)
> > +int get_container_size(ulong addr, u16 *header_length)
> >   {
> >   	struct container_hdr *phdr;
> >   	struct boot_img_t *img_entry;
> > @@ -34,7 +35,9 @@ static int __get_container_size(ulong addr)
> >   		return -EFAULT;
> >   	}
> >
> > -	max_offset = sizeof(struct container_hdr);
> > +	max_offset = phdr->length_lsb + (phdr->length_msb << 8);
> > +	if (header_length)
> > +		*header_length = max_offset;
> >
> >   	img_entry = (struct boot_img_t *)(addr + sizeof(struct
> container_hdr));
> >   	for (i = 0; i < phdr->num_images; i++) { @@ -60,7 +63,7 @@ static
> > int __get_container_size(ulong addr)
> >   	return max_offset;
> >   }
> >
> > -static int get_container_size(void *dev, int dev_type, unsigned long
> > offset)
> > +static int get_dev_container_size(void *dev, int dev_type, unsigned
> > +long offset, u16 *header_length)
> >   {
> >   	u8 *buf = malloc(CONTAINER_HDR_ALIGNMENT);
> >   	int ret = 0;
> > @@ -115,7 +118,17 @@ static int get_container_size(void *dev, int
> dev_type, unsigned long offset)
> >   		memcpy(buf, (const void *)offset,
> CONTAINER_HDR_ALIGNMENT);
> >   #endif
> >
> > -	ret = __get_container_size((ulong)buf);
> > +#ifdef CONFIG_SPL_BOOTROM_SUPPORT
> > +	if (dev_type == ROM_API_DEV) {
> > +		ret = spl_romapi_raw_seekable_read(offset,
> CONTAINER_HDR_ALIGNMENT, buf);
> > +		if (!ret) {
> > +			printf("Read container image from ROM API failed\n");
> > +			return -EIO;
> > +		}
> > +	}
> > +#endif
> > +
> > +	ret = get_container_size((ulong)buf, header_length);
> >
> >   	free(buf);
> >
> > @@ -149,6 +162,8 @@ static unsigned long get_boot_device_offset(void
> *dev, int dev_type)
> >   		offset = CONTAINER_HDR_NAND_OFFSET;
> >   	} else if (dev_type == QSPI_NOR_DEV) {
> >   		offset = CONTAINER_HDR_QSPI_OFFSET + 0x08000000;
> > +	} else if (dev_type == ROM_API_DEV) {
> > +		offset = (unsigned long)dev;
> >   	}
> >
> >   	return offset;
> > @@ -158,11 +173,12 @@ static int get_imageset_end(void *dev, int
> dev_type)
> >   {
> >   	unsigned long offset1 = 0, offset2 = 0;
> >   	int value_container[2];
> > +	u16 hdr_length;
> >
> >   	offset1 = get_boot_device_offset(dev, dev_type);
> >   	offset2 = CONTAINER_HDR_ALIGNMENT + offset1;
> >
> > -	value_container[0] = get_container_size(dev, dev_type, offset1);
> > +	value_container[0] = get_dev_container_size(dev, dev_type, offset1,
> > +&hdr_length);
> >   	if (value_container[0] < 0) {
> >   		printf("Parse seco container failed %d\n", value_container[0]);
> >   		return value_container[0];
> > @@ -170,7 +186,7 @@ static int get_imageset_end(void *dev, int
> > dev_type)
> >
> >   	debug("seco container size 0x%x\n", value_container[0]);
> >
> > -	value_container[1] = get_container_size(dev, dev_type, offset2);
> > +	value_container[1] = get_dev_container_size(dev, dev_type, offset2,
> > +&hdr_length);
> >   	if (value_container[1] < 0) {
> >   		debug("Parse scu container failed %d, only seco container\n",
> >   		      value_container[1]);
> > @@ -247,3 +263,17 @@ unsigned long spl_nor_get_uboot_base(void)
> >   	return end;
> >   }
> >   #endif
> > +
> > +#ifdef CONFIG_SPL_BOOTROM_SUPPORT
> > +ulong spl_romapi_get_uboot_base(u32 image_offset, u32 rom_bt_dev) {
> > +	ulong end;
> > +
> > +	end = get_imageset_end((void *)(ulong)image_offset, ROM_API_DEV);
> > +	end = ROUND(end, SZ_1K);
> > +
> > +	printf("Load image from 0x%lx by ROM_API\n", end);
> > +
> > +	return end;
> > +}
> > +#endif
> > diff --git a/arch/arm/mach-imx/imx8ulp/soc.c
> > b/arch/arm/mach-imx/imx8ulp/soc.c index f14c6b421a..3029589d5f
> 100644
> > --- a/arch/arm/mach-imx/imx8ulp/soc.c
> > +++ b/arch/arm/mach-imx/imx8ulp/soc.c
> > @@ -12,6 +12,8 @@
> >
> >   DECLARE_GLOBAL_DATA_PTR;
> >
> > +struct rom_api *g_rom_api = (struct rom_api *)0x1980;
> > +
> >   u32 get_cpu_rev(void)
> >   {
> >   	return (MXC_CPU_IMX8ULP << 12) | CHIP_REV_1_0; diff --git
> > a/arch/arm/mach-imx/spl_imx_romapi.c
> > b/arch/arm/mach-imx/spl_imx_romapi.c
> > index d2085dabd3..564cc400c1 100644
> > --- a/arch/arm/mach-imx/spl_imx_romapi.c
> > +++ b/arch/arm/mach-imx/spl_imx_romapi.c
> > @@ -10,11 +10,44 @@
> >   #include <asm/global_data.h>
> >   #include <linux/libfdt.h>
> >   #include <spl.h>
> > -
> > +#include <asm/mach-imx/image.h>
> >   #include <asm/arch/sys_proto.h>
> >
> >   DECLARE_GLOBAL_DATA_PTR;
> >
> > +/* Caller need ensure the offset and size to align with page size */
> > +ulong spl_romapi_raw_seekable_read(u32 offset, u32 size, void *buf) {
> > +	volatile gd_t *pgd = gd;
> > +	int ret;
> > +
> > +	debug("%s 0x%x, size 0x%x\n", __func__, offset, size);
> > +
> > +	ret = g_rom_api->download_image(buf, offset, size,
> > +					((uintptr_t)buf) ^ offset ^ size);
> > +
> > +	set_gd(pgd);
> > +
> > +	if (ret == ROM_API_OKAY)
> > +		return size;
> > +
> > +	printf("%s Failure when load 0x%x, size 0x%x\n", __func__, offset,
> > +size);
> > +
> > +	return 0;
> > +}
> > +
> > +ulong __weak spl_romapi_get_uboot_base(u32 image_offset, u32
> > +rom_bt_dev) {
> > +	u32 offset;
> > +
> > +	if (((rom_bt_dev >> 16) & 0xff) ==  BT_DEV_TYPE_FLEXSPINOR)
> > +		offset = CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR *
> 512;
> > +	else
> > +		offset = image_offset +
> CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR *
> > +512 - 0x8000;
> > +
> > +	return offset;
> > +}
> > +
> >   static int is_boot_from_stream_device(u32 boot)
> >   {
> >   	u32 interface;
> > @@ -34,25 +67,12 @@ static ulong spl_romapi_read_seekable(struct
> spl_load_info *load,
> >   				      void *buf)
> >   {
> >   	u32 pagesize = *(u32 *)load->priv;
> > -	volatile gd_t *pgd = gd;
> >   	ulong byte = count * pagesize;
> > -	int ret;
> >   	u32 offset;
> >
> >   	offset = sector * pagesize;
> >
> > -	debug("ROM API load from 0x%x, size 0x%x\n", offset, (u32)byte);
> > -
> > -	ret = g_rom_api->download_image(buf, offset, byte,
> > -					((uintptr_t)buf) ^ offset ^ byte);
> > -	set_gd(pgd);
> > -
> > -	if (ret == ROM_API_OKAY)
> > -		return count;
> > -
> > -	printf("ROM API Failure when load 0x%x\n", offset);
> > -
> > -	return 0;
> > +	return spl_romapi_raw_seekable_read(offset, byte, buf) / pagesize;
> >   }
> >
> >   static int spl_romapi_load_image_seekable(struct spl_image_info
> > *spl_image, @@ -85,11 +105,7 @@ static int
> spl_romapi_load_image_seekable(struct spl_image_info *spl_image,
> >   	printf("image offset 0x%x, pagesize 0x%x, ivt offset 0x%x\n",
> >   	       image_offset, pagesize, offset);
> >
> > -	if (((rom_bt_dev >> 16) & 0xff) ==  BT_DEV_TYPE_FLEXSPINOR)
> > -		offset = CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR *
> 512;
> > -	else
> > -		offset = image_offset +
> > -			CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512 -
> 0x8000;
> > +	offset = spl_romapi_get_uboot_base(image_offset, rom_bt_dev);
> >
> >   	size = ALIGN(sizeof(struct image_header), pagesize);
> >   	ret = g_rom_api->download_image((u8 *)header, offset, size, @@
> > -102,16 +118,23 @@ static int spl_romapi_load_image_seekable(struct
> spl_image_info *spl_image,
> >   		return -1;
> >   	}
> >
> > -	if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
> > -	    image_get_magic(header) == FDT_MAGIC) {
> > +	if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) && image_get_magic(header)
> ==
> > +FDT_MAGIC) {
> >   		struct spl_load_info load;
> >
> >   		memset(&load, 0, sizeof(load));
> >   		load.bl_len = pagesize;
> >   		load.read = spl_romapi_read_seekable;
> >   		load.priv = &pagesize;
> > -		return spl_load_simple_fit(spl_image, &load,
> > -					   offset / pagesize, header);
> > +		return spl_load_simple_fit(spl_image, &load, offset / pagesize,
> header);
> > +	} else if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER)) {
> > +		struct spl_load_info load;
> > +
> > +		memset(&load, 0, sizeof(load));
> > +		load.bl_len = pagesize;
> > +		load.read = spl_romapi_read_seekable;
> > +		load.priv = &pagesize;
> > +
> > +		ret = spl_load_imx_container(spl_image, &load, offset / pagesize);
> >   	} else {
> >   		/* TODO */
> >   		puts("Can't support legacy image\n"); @@ -154,7 +177,7 @@
> static
> > ulong get_fit_image_size(void *fit)
> >   	return last - (ulong)fit;
> >   }
> >
> > -u8 *search_fit_header(u8 *p, int size)
> > +static u8 *search_fit_header(u8 *p, int size)
> >   {
> >   	int i;
> >
> > @@ -165,6 +188,71 @@ u8 *search_fit_header(u8 *p, int size)
> >   	return NULL;
> >   }
> >
> > +static u8 *search_container_header(u8 *p, int size) {
> > +	int i = 0;
> > +	u8 *hdr;
> > +
> > +	for (i = 0; i < size; i += 4) {
> > +		hdr = p + i;
> > +		if (*(hdr + 3) == 0x87 && *hdr == 0 && (*(hdr + 1) != 0 || *(hdr +
> 2) != 0))
> > +                        return p + i;
> > +	}
> > +
> > +	return NULL;
> > +}
> > +
> > +static u8 *search_img_header(u8 *p, int size) {
> > +	if (IS_ENABLED(CONFIG_SPL_LOAD_FIT))
> > +		return search_fit_header(p, size);
> > +	else if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER))
> > +		return search_container_header(p, size);
> > +
> > +	return NULL;
> > +}
> > +
> > +static u32 img_header_size(void)
> > +{
> > +	if (IS_ENABLED(CONFIG_SPL_LOAD_FIT))
> > +		return sizeof(struct fdt_header);
> > +	else if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER))
> > +		return sizeof(struct container_hdr);
> > +
> > +	return 0;
> > +}
> > +
> > +static int img_info_size(void *img_hdr) { #ifdef CONFIG_SPL_LOAD_FIT
> > +	return fit_get_size(img_hdr);
> > +#elif defined CONFIG_SPL_LOAD_IMX_CONTAINER
> > +	struct container_hdr *container = img_hdr;
> > +
> > +	return (container->length_lsb + (container->length_msb << 8)); #else
> > +	return 0;
> > +#endif
> > +}
> > +
> > +static int img_total_size(void *img_hdr) {
> > +	if (IS_ENABLED(CONFIG_SPL_LOAD_FIT)) {
> > +		return get_fit_image_size(img_hdr);
> > +	} else if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER)) {
> > +		int total = get_container_size((ulong)img_hdr, NULL);
> > +
> > +		if (total < 0) {
> > +			printf("invalid container image\n");
> > +			return 0;
> > +		}
> > +
> > +		return total;
> > +	}
> > +
> > +	return 0;
> > +}
> > +
> >   static int spl_romapi_load_image_stream(struct spl_image_info
> *spl_image,
> >   					struct spl_boot_device *bootdev)
> >   {
> > @@ -174,7 +262,7 @@ static int spl_romapi_load_image_stream(struct
> spl_image_info *spl_image,
> >   	int ret;
> >   	int i = 0;
> >   	u8 *p = (u8 *)CONFIG_SPL_IMX_ROMAPI_LOADADDR;
> > -	u8 *pfit = NULL;
> > +	u8 *phdr = NULL;
> >   	int imagesize;
> >   	int total;
> >
> > @@ -199,19 +287,19 @@ static int spl_romapi_load_image_stream(struct
> spl_image_info *spl_image,
> >   			return -1;
> >   		}
> >
> > -		pfit = search_fit_header(p, pg);
> > +		phdr = search_img_header(p, pg);
> >   		p += pg;
> >
> > -		if (pfit)
> > +		if (phdr)
> >   			break;
> >   	}
> >
> > -	if (!pfit) {
> > -		puts("Can't found uboot FIT image in 640K range \n");
> > +	if (!phdr) {
> > +		puts("Can't found uboot image in 640K range\n");
> >   		return -1;
> >   	}
> >
> > -	if (p - pfit < sizeof(struct fdt_header)) {
> > +	if (p - phdr < img_header_size()) {
> >   		ret = g_rom_api->download_image(p, 0, pg,  ((uintptr_t)p) ^
> pg);
> >   		set_gd(pgd);
> >
> > @@ -223,11 +311,11 @@ static int spl_romapi_load_image_stream(struct
> spl_image_info *spl_image,
> >   		p += pg;
> >   	}
> >
> > -	imagesize = fit_get_size(pfit);
> > -	printf("Find FIT header 0x&%p, size %d\n", pfit, imagesize);
> > +	imagesize = img_info_size(phdr);
> > +	printf("Find img info 0x&%p, size %d\n", phdr, imagesize);
> >
> > -	if (p - pfit < imagesize) {
> > -		imagesize -= p - pfit;
> > +	if (p - phdr < imagesize) {
> > +		imagesize -= p - phdr;
> >   		/*need pagesize hear after ROM fix USB problme*/
> >   		imagesize += pg - 1;
> >   		imagesize /= pg;
> > @@ -247,20 +335,21 @@ static int spl_romapi_load_image_stream(struct
> spl_image_info *spl_image,
> >   		}
> >   	}
> >
> > -	total = get_fit_image_size(pfit);
> > +	total = img_total_size(phdr);
> >   	total += 3;
> >   	total &= ~0x3;
> >
> > -	imagesize = total - (p - pfit);
> > +	imagesize = total - (p - phdr);
> >
> >   	imagesize += pagesize - 1;
> >   	imagesize /= pagesize;
> >   	imagesize *= pagesize;
> >
> > -	printf("Download %d, total fit %d\n", imagesize, total);
> > +	printf("Download %d, Total size %d\n", imagesize, total);
> >
> >   	ret = g_rom_api->download_image(p, 0, imagesize,
> >   					((uintptr_t)p) ^ imagesize);
> > +	gd = pgd;
> >   	if (ret != ROM_API_OKAY)
> >   		printf("ROM download failure %d\n", imagesize);
> >
> > @@ -268,7 +357,12 @@ static int spl_romapi_load_image_stream(struct
> spl_image_info *spl_image,
> >   	load.bl_len = 1;
> >   	load.read = spl_ram_load_read;
> >
> > -	return spl_load_simple_fit(spl_image, &load, (ulong)pfit, pfit);
> > +	if (IS_ENABLED(CONFIG_SPL_LOAD_FIT))
> > +		return spl_load_simple_fit(spl_image, &load, (ulong)phdr, phdr);
> > +	else if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER))
> > +		return spl_load_imx_container(spl_image, &load, (ulong)phdr);
> > +
> > +	return -1;
> >   }
> >
> >   int board_return_to_bootrom(struct spl_image_info *spl_image,
> >
> 
> --
> ==============================================================
> =======
> DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de
> ==============================================================
> =======


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