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 88744b4..149ffa3 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 c9ce85f..a1ff2ba 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 ccf9cc2..d544b27 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 db39b41..f70cad8 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 a5b62f2..b9a8fa8 100644 --- a/common/soft_spi.c +++ b/common/soft_spi.c @@ -29,9 +29,6 @@ #if defined(CONFIG_SOFT_SPI) -#define DEBUG_SPI - - /*----------------------------------------------------------------------- * Definitions */ |