From: James Yang James.Yang@freescale.com
Move the FSL DDR prompt command parsing to a separate function so that it can be reused.
Signed-off-by: James Yang James.Yang@freescale.com --- arch/powerpc/cpu/mpc8xxx/ddr/interactive.c | 153 ++++++++++++++-------------- 1 file changed, 74 insertions(+), 79 deletions(-)
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/interactive.c b/arch/powerpc/cpu/mpc8xxx/ddr/interactive.c index cb71f94..4d1cf3c 100644 --- a/arch/powerpc/cpu/mpc8xxx/ddr/interactive.c +++ b/arch/powerpc/cpu/mpc8xxx/ddr/interactive.c @@ -1369,14 +1369,15 @@ struct data_strings {
#define DATA_OPTIONS(name, step, dimm) {#name, step, dimm}
-unsigned long long fsl_ddr_interactive(fsl_ddr_info_t *pinfo) -{ - unsigned long long ddrsize; - const char *prompt = "FSL DDR>"; - char buffer[CONFIG_SYS_CBSIZE]; - char *argv[CONFIG_SYS_MAXARGS + 1]; /* NULL terminated */ - int argc; - unsigned int next_step = STEP_GET_SPD; +static unsigned int fsl_ddr_parse_interactive_cmd( + char **argv, + int argc, + unsigned int *pstep_mask, + unsigned int *pctlr_mask, + unsigned int *pdimm_mask, + unsigned int *pdimm_number_required + ) { + static const struct data_strings options[] = { DATA_OPTIONS(spd, STEP_GET_SPD, 1), DATA_OPTIONS(dimmparms, STEP_COMPUTE_DIMM_PARMS, 1), @@ -1386,6 +1387,56 @@ unsigned long long fsl_ddr_interactive(fsl_ddr_info_t *pinfo) DATA_OPTIONS(regs, STEP_COMPUTE_REGS, 0), }; static const unsigned int n_opts = ARRAY_SIZE(options); + + unsigned int i, j; + unsigned int error = 0; + unsigned int matched = 0; + + for (i = 1; i < argc; i++) { + for (j = 0; j < n_opts; j++) { + if (strcmp(options[j].data_name, argv[i]) != 0) + continue; + *pstep_mask |= options[j].step_mask; + *pdimm_number_required = + options[j].dimm_number_required; + matched = 1; + break; + } + + if (matched) + continue; + + if (argv[i][0] == 'c') { + char c = argv[i][1]; + if (isdigit(c)) + *pctlr_mask |= 1 << (c - '0'); + continue; + } + + if (argv[i][0] == 'd') { + char c = argv[i][1]; + if (isdigit(c)) + *pdimm_mask |= 1 << (c - '0'); + continue; + } + + printf("unknown arg %s\n", argv[i]); + *pstep_mask = 0; + error = 1; + break; + } + + return error; +} + +unsigned long long fsl_ddr_interactive(fsl_ddr_info_t *pinfo) +{ + unsigned long long ddrsize; + const char *prompt = "FSL DDR>"; + char buffer[CONFIG_SYS_CBSIZE]; + char *argv[CONFIG_SYS_MAXARGS + 1]; /* NULL terminated */ + int argc; + unsigned int next_step = STEP_GET_SPD; const char *usage = { "commands:\n" "print print SPD and intermediate computed data\n" @@ -1426,7 +1477,6 @@ unsigned long long fsl_ddr_interactive(fsl_ddr_info_t *pinfo) }
if (strcmp(argv[0], "edit") == 0) { - unsigned int i, j; unsigned int error = 0; unsigned int step_mask = 0; unsigned int ctlr_mask = 0; @@ -1436,7 +1486,6 @@ unsigned long long fsl_ddr_interactive(fsl_ddr_info_t *pinfo) unsigned int dimm_number_required = 0; unsigned int ctrl_num; unsigned int dimm_num; - unsigned int matched = 0;
if (argc == 1) { /* Only the element and value must be last */ @@ -1448,41 +1497,13 @@ unsigned long long fsl_ddr_interactive(fsl_ddr_info_t *pinfo) continue; }
- for (i = 1; i < argc - 2; i++) { - for (j = 0; j < n_opts; j++) { - if (strcmp(options[j].data_name, - argv[i]) != 0) - continue; - step_mask |= options[j].step_mask; - dimm_number_required = - options[j].dimm_number_required; - matched = 1; - break; - } - - if (matched) - continue; - - if (argv[i][0] == 'c') { - char c = argv[i][1]; - if (isdigit(c)) - ctlr_mask |= 1 << (c - '0'); - continue; - } - - if (argv[i][0] == 'd') { - char c = argv[i][1]; - if (isdigit(c)) - dimm_mask |= 1 << (c - '0'); - continue; - } - - printf("unknown arg %s\n", argv[i]); - step_mask = 0; - error = 1; - break; - } - + error = fsl_ddr_parse_interactive_cmd( + argv, argc - 2, + &step_mask, + &ctlr_mask, + &dimm_mask, + &dimm_number_required + );
if (error) continue; @@ -1629,12 +1650,11 @@ unsigned long long fsl_ddr_interactive(fsl_ddr_info_t *pinfo) }
if (strcmp(argv[0], "print") == 0) { - unsigned int i, j; unsigned int error = 0; unsigned int step_mask = 0; unsigned int ctlr_mask = 0; unsigned int dimm_mask = 0; - unsigned int matched = 0; + unsigned int dimm_number_required = 0;
if (argc == 1) { printf("print [c<n>] [d<n>] [spd] [dimmparms] " @@ -1642,38 +1662,13 @@ unsigned long long fsl_ddr_interactive(fsl_ddr_info_t *pinfo) continue; }
- for (i = 1; i < argc; i++) { - for (j = 0; j < n_opts; j++) { - if (strcmp(options[j].data_name, - argv[i]) != 0) - continue; - step_mask |= options[j].step_mask; - matched = 1; - break; - } - - if (matched) - continue; - - if (argv[i][0] == 'c') { - char c = argv[i][1]; - if (isdigit(c)) - ctlr_mask |= 1 << (c - '0'); - continue; - } - - if (argv[i][0] == 'd') { - char c = argv[i][1]; - if (isdigit(c)) - dimm_mask |= 1 << (c - '0'); - continue; - } - - printf("unknown arg %s\n", argv[i]); - step_mask = 0; - error = 1; - break; - } + error = fsl_ddr_parse_interactive_cmd( + argv, argc, + &step_mask, + &ctlr_mask, + &dimm_mask, + &dimm_number_required + );
if (error) continue;