diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/cmd_elf.c | 2 | ||||
| -rw-r--r-- | common/cmd_net.c | 6 | ||||
| -rw-r--r-- | common/cmd_spi.c | 57 | ||||
| -rw-r--r-- | common/command.c | 2 | ||||
| -rw-r--r-- | common/soft_spi.c | 3 | 
5 files changed, 45 insertions, 25 deletions
| diff --git a/common/cmd_elf.c b/common/cmd_elf.c index 88744b473..149ffa3da 100644 --- a/common/cmd_elf.c +++ b/common/cmd_elf.c @@ -111,7 +111,7 @@ int do_bootvx ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])  	/* Check to see if we need to tftp the image ourselves before starting */  	if ((argc == 2) && (strcmp (argv[1], "tftp") == 0)) { -		if (NetLoop (TFTP) == 0) +		if (NetLoop (TFTP) <= 0)  			return 1;  		printf ("Automatic boot of VxWorks image at address 0x%08lx ... \n", addr);  	} diff --git a/common/cmd_net.c b/common/cmd_net.c index c9ce85ffe..a1ff2ba9a 100644 --- a/common/cmd_net.c +++ b/common/cmd_net.c @@ -132,12 +132,16 @@ netboot_common (int proto, cmd_tbl_t *cmdtp, int argc, char *argv[])  		return 1;  	} -	if ((size = NetLoop(proto)) == 0) +	if ((size = NetLoop(proto)) < 0)  		return 1;  	/* NetLoop ok, update environment */  	netboot_update_env(); +	/* done if no file was loaded (no errors though) */ +	if (size == 0) +		return 0; +  	/* flush cache */  	flush_cache(load_addr, size); diff --git a/common/cmd_spi.c b/common/cmd_spi.c index ccf9cc287..d544b2701 100644 --- a/common/cmd_spi.c +++ b/common/cmd_spi.c @@ -32,14 +32,20 @@  #if (CONFIG_COMMANDS & CFG_CMD_SPI) -#define MAX_SPI_BYTES	32	/* max number of bytes we can handle */ +/*----------------------------------------------------------------------- + * Definitions + */ + +#ifndef MAX_SPI_BYTES +#   define MAX_SPI_BYTES 32	/* Maximum number of bytes we can handle */ +#endif  /*   * External table of chip select functions (see the appropriate board   * support for the actual definition of the table).   */  extern spi_chipsel_type spi_chipsel[]; - +extern int spi_chipsel_cnt;  /*   * Values from last command. @@ -60,7 +66,7 @@ static uchar din[MAX_SPI_BYTES];   * The command prints out the hexadecimal string received via SPI.   */ -int do_spi (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) +int do_spi (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])  {  	char  *cp = 0;  	uchar tmp; @@ -78,26 +84,38 @@ int do_spi (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])  			device = simple_strtoul(argv[1], NULL, 10);  		if (argc >= 3)  			bitlen = simple_strtoul(argv[2], NULL, 10); -		if (argc >= 4) -		cp = argv[3]; -		for(j = 0; *cp; j++, cp++) { -			tmp = *cp - '0'; -			if(tmp > 9) -				tmp -= ('A' - '0') - 10; -			if(tmp > 15) -				tmp -= ('a' - 'A'); -			if(tmp > 15) { -				printf("Conversion error on %c, bailing out.\n", *cp); -				break; +		if (argc >= 4) { +			cp = argv[3]; +			for(j = 0; *cp; j++, cp++) { +				tmp = *cp - '0'; +				if(tmp > 9) +					tmp -= ('A' - '0') - 10; +				if(tmp > 15) +					tmp -= ('a' - 'A'); +				if(tmp > 15) { +					printf("Hex conversion error on %c, giving up.\n", *cp); +					return 1; +				} +				if((j % 2) == 0) +					dout[j / 2] = (tmp << 4); +				else +					dout[j / 2] |= tmp;  			} -			if((j % 2) == 0) -				dout[j / 2] = (tmp << 4); -			else -				dout[j / 2] |= tmp;  		}  	} -printf("spi_chipsel[%d] = %08X\n", device, (uint)spi_chipsel[device]); +	if ((device < 0) || (device >=  spi_chipsel_cnt)) { +		printf("Invalid device %d, giving up.\n", device); +		return 1; +	}  +	if ((bitlen < 0) || (bitlen >  (MAX_SPI_BYTES * 8))) { +		printf("Invalid bitlen %d, giving up.\n", bitlen); +		return 1; +	}  + +	debug ("spi_chipsel[%d] = %08X\n", +		device, (uint)spi_chipsel[device]); +  	if(spi_xfer(spi_chipsel[device], bitlen, dout, din) != 0) {  		printf("Error with the SPI transaction.\n");  		rcode = 1; @@ -113,4 +131,3 @@ printf("spi_chipsel[%d] = %08X\n", device, (uint)spi_chipsel[device]);  }  #endif	/* CFG_CMD_SPI */ - diff --git a/common/command.c b/common/command.c index db39b41fa..f70cad8cb 100644 --- a/common/command.c +++ b/common/command.c @@ -46,6 +46,7 @@  #include <cmd_eeprom.h>  #include <cmd_i2c.h> +#include <cmd_spi.h>  #include <cmd_immap.h>  #include <cmd_rtc.h> @@ -316,6 +317,7 @@ cmd_tbl_t cmd_tbl[] = {  	CMD_TBL_MISC		/* sleep */  	CMD_TBL_SMCINFO  	CMD_TBL_SPIINFO +	CMD_TBL_SPI  	CMD_TBL_STACK  	CMD_TBL_STEP  	CMD_TBL_TFTPB diff --git a/common/soft_spi.c b/common/soft_spi.c index a5b62f28e..b9a8fa8d5 100644 --- a/common/soft_spi.c +++ b/common/soft_spi.c @@ -29,9 +29,6 @@  #if defined(CONFIG_SOFT_SPI) -#define DEBUG_SPI - -  /*-----------------------------------------------------------------------   * Definitions   */ |