diff options
Diffstat (limited to 'cmd/mmc.c')
| -rw-r--r-- | cmd/mmc.c | 36 |
1 files changed, 26 insertions, 10 deletions
@@ -574,6 +574,7 @@ static int do_mmc_rescan(cmd_tbl_t *cmdtp, int flag, } extern volatile uint32_t DELAY_LANE; +extern volatile int manual_set_delay ; static int do_mmc_set_delay_lane(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { @@ -587,17 +588,22 @@ static int do_mmc_set_delay_lane(cmd_tbl_t *cmdtp, int flag, mmc = find_mmc_device(curr_device); if (!mmc) { printf("no mmc device at slot %x\n", curr_device); - return CMD_RET_FAILURE; + goto RET_FAILURE; } - + manual_set_delay = 1; if (0 != snps_mmc_init(mmc)) - return CMD_RET_FAILURE; + goto RET_FAILURE; mmc = init_mmc_device(curr_device, true); if (!mmc) - return CMD_RET_FAILURE; - + goto RET_FAILURE; + + manual_set_delay = 0; return CMD_RET_SUCCESS; + +RET_FAILURE: + manual_set_delay = 0; + return CMD_RET_FAILURE; } static int do_mmc_turning(cmd_tbl_t *cmdtp, int flag, @@ -605,6 +611,10 @@ static int do_mmc_turning(cmd_tbl_t *cmdtp, int flag, { struct mmc *mmc; int i = 0, n; + int stop_on_ok = 1; + if(argc > 1 && (!strncmp(argv[1],"cont",4))){ + stop_on_ok = 0; + } for(i = 0; i <= 128; i++) { DELAY_LANE = i; printf("set DELAY_LANE = %d\n", DELAY_LANE); @@ -616,8 +626,10 @@ static int do_mmc_turning(cmd_tbl_t *cmdtp, int flag, return CMD_RET_FAILURE; } + manual_set_delay = 1; if (0 != snps_mmc_init(mmc)) { printf("Error: mmc init error!\n"); + manual_set_delay = 0; return CMD_RET_FAILURE; } @@ -628,18 +640,21 @@ static int do_mmc_turning(cmd_tbl_t *cmdtp, int flag, if (mmc_getwp(mmc) == 1) { printf("Error: card is write protected!\n"); + manual_set_delay = 0; return CMD_RET_FAILURE; } n = blk_dwrite(mmc_get_blk_desc(mmc), 0, 1, 0); if (n == 1) { printf("blocks written: %s\n", "OK" ); - return CMD_RET_SUCCESS; + manual_set_delay = 0; + if(stop_on_ok) + return CMD_RET_SUCCESS; } else { printf("written: %s\n", "error"); } } - + manual_set_delay = 0; if (i > 128) { return CMD_RET_FAILURE; } @@ -1239,9 +1254,10 @@ U_BOOT_CMD( #endif "mmc erase blk# cnt\n" "mmc rescan\n" - "mmc set_delay # val\n" - "mmc turning\n" - "mmc memset addr # lenght\n" + "mmc set_delay # val - set clk out delay mannaul,reinit host and rescan dev\n" + "mmc turning [continue] - loop test for clk delay form 0 to 128, reinit host and rescan dev\n" + " - without arg [continue] exit once init and write ok\n" + "mmc memset addr # length - set mem addr 0xff with length '# length' \n" "mmc part - lists available partition on current mmc device\n" "mmc dev [dev] [part] - show or set current mmc device [partition]\n" "mmc list - lists available devices\n" |