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authorJames Yang <James.Yang@freescale.com>2013-01-04 08:14:00 +0000
committerAndy Fleming <afleming@freescale.com>2013-01-30 11:25:13 -0600
commitbf4189307fe4a3df784722e831683f9a7fdd2142 (patch)
tree238b663b13f5e6a6e6f60e24c83445c86021130a
parente750cfaa01f195be3f3bf16d7f1be7b99b587351 (diff)
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Move DDR command parsing to separate function
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> Signed-off-by: Andy Fleming <afleming@freescale.com>
-rw-r--r--arch/powerpc/cpu/mpc8xxx/ddr/interactive.c153
1 files 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;