[U-Boot] [PATCH] imximage: fix commands other than write_data

Stefano Babic sbabic at denx.de
Sun Sep 20 10:59:42 CEST 2015


Hi Troy,

On 15/09/2015 03:06, Troy Kisky wrote:
> When CHECK_BITS_SET was added, they forgot to add
> a new command table, and instead overwrote the
> previous table.
> 
> Signed-off-by: Troy Kisky <troy.kisky at boundarydevices.com>
> 
> ---
> 

This patch breaks building boards with SPL:

Building current source for 85 boards (6 threads, 1 job per thread)
       arm:  +   colibri_vf_dtb
+Error: Image corrupt DCD size 536870911 exceed maximum 220
+make[2]: *** [u-boot-dtb.imx] Error 1
+make[1]: *** [u-boot-dtb.imx] Error 2
+make: *** [sub-make] Error 2
       arm:  +   mx6sabresd_spl
+Error: Image corrupt DCD size 536870911 exceed maximum 220
+make[2]: *** [SPL] Error 1
+make[1]: *** [SPL] Error 2
+make: *** [sub-make] Error 2
       arm:  +   colibri_vf
+Error: Image corrupt DCD size 536870911 exceed maximum 220
+make[2]: *** [u-boot.imx] Error 1
+make[1]: *** [u-boot.imx] Error 2
+make: *** [sub-make] Error 2
       arm:  +   vf610twr
+Error: Image corrupt DCD size 536870911 exceed maximum 220
+make[2]: *** [u-boot.imx] Error 1
+make[1]: *** [u-boot.imx] Error 2
+make: *** [sub-make] Error 2
       arm:  +   cm_fx6
+Error: Image corrupt DCD size 536870911 exceed maximum 220
+make[2]: *** [SPL] Error 1
+make[1]: *** [SPL] Error 2
+make: *** [sub-make] Error 2
       arm:  +   vf610twr_nand
+Error: Image corrupt DCD size 536870911 exceed maximum 220
+make[2]: *** [u-boot.imx] Error 1
+make[1]: *** [u-boot.imx] Error 2
+make: *** [sub-make] Error 2
       arm:  +   mx6cuboxi
+Error: Image corrupt DCD size 536870911 exceed maximum 220
+make[2]: *** [SPL] Error 1
+make[1]: *** [SPL] Error 2
+make: *** [sub-make] Error 2

Can you take a look ? Thanks !

Best regards,
Stefano Babic

> Note: this needs tested to make sure imx7dsabresd still boots
> as its dcd header has changed
> 
> 
> diff --git a/tools/imximage.c b/tools/imximage.c
> index 0da48a7..97a6880 100644
> --- a/tools/imximage.c
> +++ b/tools/imximage.c
> @@ -160,54 +160,80 @@ static void set_dcd_val_v1(struct imx_header *imxhdr, char *name, int lineno,
>  	}
>  }
>  
> +static struct dcd_v2_cmd *gd_last_cmd;
> +
>  static void set_dcd_param_v2(struct imx_header *imxhdr, uint32_t dcd_len,
>  		int32_t cmd)
>  {
>  	dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table;
> +	struct dcd_v2_cmd *d = gd_last_cmd;
> +	struct dcd_v2_cmd *d2;
> +	int len;
> +
> +	if (!d)
> +		d = &dcd_v2->dcd_cmd;
> +	d2 = d;
> +	len = be16_to_cpu(d->write_dcd_command.length);
> +	if (len > 4)
> +		d2 = (struct dcd_v2_cmd *)(((char *)d) + len);
>  
>  	switch (cmd) {
>  	case CMD_WRITE_DATA:
> -		dcd_v2->write_dcd_command.tag = DCD_WRITE_DATA_COMMAND_TAG;
> -		dcd_v2->write_dcd_command.length = cpu_to_be16(
> -				dcd_len * sizeof(dcd_addr_data_t) + 4);
> -		dcd_v2->write_dcd_command.param = DCD_WRITE_DATA_PARAM;
> +		if ((d->write_dcd_command.tag == DCD_WRITE_DATA_COMMAND_TAG) &&
> +		    (d->write_dcd_command.param == DCD_WRITE_DATA_PARAM))
> +			break;
> +		d = d2;
> +		d->write_dcd_command.tag = DCD_WRITE_DATA_COMMAND_TAG;
> +		d->write_dcd_command.length = cpu_to_be16(4);
> +		d->write_dcd_command.param = DCD_WRITE_DATA_PARAM;
>  		break;
>  	case CMD_WRITE_CLR_BIT:
> -		dcd_v2->write_dcd_command.tag = DCD_WRITE_DATA_COMMAND_TAG;
> -		dcd_v2->write_dcd_command.length = cpu_to_be16(
> -				dcd_len * sizeof(dcd_addr_data_t) + 4);
> -		dcd_v2->write_dcd_command.param = DCD_WRITE_CLR_BIT_PARAM;
> +		if ((d->write_dcd_command.tag == DCD_WRITE_DATA_COMMAND_TAG) &&
> +		    (d->write_dcd_command.param == DCD_WRITE_CLR_BIT_PARAM))
> +			break;
> +		d = d2;
> +		d->write_dcd_command.tag = DCD_WRITE_DATA_COMMAND_TAG;
> +		d->write_dcd_command.length = cpu_to_be16(4);
> +		d->write_dcd_command.param = DCD_WRITE_CLR_BIT_PARAM;
>  		break;
>  	/*
>  	 * Check data command only supports one entry,
> -	 * so use 0xC = size(address + value + command).
>  	 */
>  	case CMD_CHECK_BITS_SET:
> -		dcd_v2->write_dcd_command.tag = DCD_CHECK_DATA_COMMAND_TAG;
> -		dcd_v2->write_dcd_command.length = cpu_to_be16(0xC);
> -		dcd_v2->write_dcd_command.param = DCD_CHECK_BITS_SET_PARAM;
> +		d = d2;
> +		d->write_dcd_command.tag = DCD_CHECK_DATA_COMMAND_TAG;
> +		d->write_dcd_command.length = cpu_to_be16(4);
> +		d->write_dcd_command.param = DCD_CHECK_BITS_SET_PARAM;
>  		break;
>  	case CMD_CHECK_BITS_CLR:
> -		dcd_v2->write_dcd_command.tag = DCD_CHECK_DATA_COMMAND_TAG;
> -		dcd_v2->write_dcd_command.length = cpu_to_be16(0xC);
> -		dcd_v2->write_dcd_command.param = DCD_CHECK_BITS_SET_PARAM;
> +		d = d2;
> +		d->write_dcd_command.tag = DCD_CHECK_DATA_COMMAND_TAG;
> +		d->write_dcd_command.length = cpu_to_be16(4);
> +		d->write_dcd_command.param = DCD_CHECK_BITS_SET_PARAM;
>  		break;
>  	default:
>  		break;
>  	}
> +	gd_last_cmd = d;
>  }
>  
>  static void set_dcd_val_v2(struct imx_header *imxhdr, char *name, int lineno,
>  					int fld, uint32_t value, uint32_t off)
>  {
> -	dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table;
> +	struct dcd_v2_cmd *d = gd_last_cmd;
> +	int len;
> +
> +	len = be16_to_cpu(d->write_dcd_command.length);
> +	off = (len - 4) >> 3;
>  
>  	switch (fld) {
>  	case CFG_REG_ADDRESS:
> -		dcd_v2->addr_data[off].addr = cpu_to_be32(value);
> +		d->addr_data[off].addr = cpu_to_be32(value);
>  		break;
>  	case CFG_REG_VALUE:
> -		dcd_v2->addr_data[off].value = cpu_to_be32(value);
> +		d->addr_data[off].value = cpu_to_be32(value);
> +		off++;
> +		d->write_dcd_command.length = cpu_to_be16((off << 3) + 4);
>  		break;
>  	default:
>  		break;
> @@ -236,12 +262,20 @@ static void set_dcd_rst_v2(struct imx_header *imxhdr, uint32_t dcd_len,
>  						char *name, int lineno)
>  {
>  	dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table;
> +	struct dcd_v2_cmd *d = gd_last_cmd;
> +	int len;
> +
> +	if (!d)
> +		d = &dcd_v2->dcd_cmd;
> +	len = be16_to_cpu(d->write_dcd_command.length);
> +	if (len > 4)
> +		d = (struct dcd_v2_cmd *)(((char *)d) + len);
> +
> +	len = (char *)d - (char *)&dcd_v2->header;
>  
>  	dcd_v2->header.tag = DCD_HEADER_TAG;
> -	dcd_v2->header.length = cpu_to_be16(
> -			dcd_len * sizeof(dcd_addr_data_t) + 8);
> +	dcd_v2->header.length = cpu_to_be16(len);
>  	dcd_v2->header.version = DCD_VERSION;
> -	set_dcd_param_v2(imxhdr, dcd_len, CMD_WRITE_DATA);
>  }
>  
>  static void set_imx_hdr_v1(struct imx_header *imxhdr, uint32_t dcd_len,
> @@ -314,6 +348,7 @@ static void set_hdr_func(void)
>  		max_dcd_entries = MAX_HW_CFG_SIZE_V1;
>  		break;
>  	case IMXIMAGE_V2:
> +		gd_last_cmd = NULL;
>  		set_dcd_val = set_dcd_val_v2;
>  		set_dcd_param = set_dcd_param_v2;
>  		set_dcd_rst = set_dcd_rst_v2;
> diff --git a/tools/imximage.h b/tools/imximage.h
> index d41c74f..c7b9b5c 100644
> --- a/tools/imximage.h
> +++ b/tools/imximage.h
> @@ -133,10 +133,14 @@ typedef struct {
>  	uint8_t param;
>  } __attribute__((packed)) write_dcd_command_t;
>  
> -typedef struct {
> -	ivt_header_t header;
> +struct dcd_v2_cmd {
>  	write_dcd_command_t write_dcd_command;
>  	dcd_addr_data_t addr_data[MAX_HW_CFG_SIZE_V2];
> +};
> +
> +typedef struct {
> +	ivt_header_t header;
> +	struct dcd_v2_cmd dcd_cmd;
>  	uint32_t padding[1]; /* end up on an 8-byte boundary */
>  } dcd_v2_t;
>  
> 

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