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Add copy command to FSL DDR interactive
Add copy command which allows copying of DIMM/controller settings. This saves tedious retyping of parameters for each identical DIMM or controller. Signed-off-by: James Yang <James.Yang@freescale.com> Signed-off-by: Andy Fleming <afleming@freescale.com>
This commit is contained in:
James Yang
Andy Fleming
parent
992f2fb28c
commit
5926ee3800
2 changed files with 132 additions and 0 deletions
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@ -1445,6 +1445,7 @@ unsigned long long fsl_ddr_interactive(fsl_ddr_info_t *pinfo)
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"recompute reload SPD and options to default and recompute regs\n"
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"edit modify spd, parameter, or option\n"
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"compute recompute registers from current next_step to end\n"
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"copy copy parameters\n"
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"next_step shows current next_step\n"
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"help this message\n"
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"go program the memory controller and continue with u-boot\n"
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@ -1477,6 +1478,132 @@ unsigned long long fsl_ddr_interactive(fsl_ddr_info_t *pinfo)
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continue;
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}
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if (strcmp(argv[0], "copy") == 0) {
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unsigned int error = 0;
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unsigned int step_mask = 0;
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unsigned int src_ctlr_mask = 0;
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unsigned int src_dimm_mask = 0;
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unsigned int dimm_number_required = 0;
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unsigned int src_ctlr_num = 0;
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unsigned int src_dimm_num = 0;
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unsigned int dst_ctlr_num = -1;
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unsigned int dst_dimm_num = -1;
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unsigned int i, num_dest_parms;
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if (argc == 1) {
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printf("copy <src c#> <src d#> <spd|dimmparms|commonparms|opts|addresses|regs> <dst c#> <dst d#>\n");
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continue;
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}
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error = fsl_ddr_parse_interactive_cmd(
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argv, argc,
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&step_mask,
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&src_ctlr_mask,
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&src_dimm_mask,
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&dimm_number_required
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);
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/* XXX: only dimm_number_required and step_mask will
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be used by this function. Parse the controller and
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DIMM number separately because it is easier. */
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if (error)
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continue;
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/* parse source destination controller / DIMM */
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num_dest_parms = dimm_number_required ? 2 : 1;
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for (i = 0; i < argc; i++) {
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if (argv[i][0] == 'c') {
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char c = argv[i][1];
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if (isdigit(c)) {
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src_ctlr_num = (c - '0');
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break;
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}
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}
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}
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for (i = 0; i < argc; i++) {
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if (argv[i][0] == 'd') {
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char c = argv[i][1];
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if (isdigit(c)) {
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src_dimm_num = (c - '0');
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break;
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}
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}
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}
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/* parse destination controller / DIMM */
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for (i = argc - 1; i >= argc - num_dest_parms; i--) {
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if (argv[i][0] == 'c') {
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char c = argv[i][1];
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if (isdigit(c)) {
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dst_ctlr_num = (c - '0');
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break;
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}
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}
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}
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for (i = argc - 1; i >= argc - num_dest_parms; i--) {
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if (argv[i][0] == 'd') {
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char c = argv[i][1];
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if (isdigit(c)) {
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dst_dimm_num = (c - '0');
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break;
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}
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}
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}
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/* TODO: validate inputs */
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debug("src_ctlr_num = %u, src_dimm_num = %u, dst_ctlr_num = %u, dst_dimm_num = %u, step_mask = %x\n",
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src_ctlr_num, src_dimm_num, dst_ctlr_num, dst_dimm_num, step_mask);
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switch (step_mask) {
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case STEP_GET_SPD:
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memcpy(&(pinfo->spd_installed_dimms[dst_ctlr_num][dst_dimm_num]),
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&(pinfo->spd_installed_dimms[src_ctlr_num][src_dimm_num]),
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sizeof(pinfo->spd_installed_dimms[0][0]));
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break;
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case STEP_COMPUTE_DIMM_PARMS:
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memcpy(&(pinfo->dimm_params[dst_ctlr_num][dst_dimm_num]),
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&(pinfo->dimm_params[src_ctlr_num][src_dimm_num]),
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sizeof(pinfo->dimm_params[0][0]));
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break;
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case STEP_COMPUTE_COMMON_PARMS:
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memcpy(&(pinfo->common_timing_params[dst_ctlr_num]),
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&(pinfo->common_timing_params[src_ctlr_num]),
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sizeof(pinfo->common_timing_params[0]));
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break;
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case STEP_GATHER_OPTS:
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memcpy(&(pinfo->memctl_opts[dst_ctlr_num]),
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&(pinfo->memctl_opts[src_ctlr_num]),
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sizeof(pinfo->memctl_opts[0]));
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break;
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/* someday be able to have addresses to copy addresses... */
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case STEP_COMPUTE_REGS:
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memcpy(&(pinfo->fsl_ddr_config_reg[dst_ctlr_num]),
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&(pinfo->fsl_ddr_config_reg[src_ctlr_num]),
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sizeof(pinfo->memctl_opts[0]));
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break;
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default:
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printf("unexpected step_mask value\n");
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}
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continue;
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}
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if (strcmp(argv[0], "edit") == 0) {
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unsigned int error = 0;
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unsigned int step_mask = 0;
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@ -279,6 +279,7 @@ The example flow of using interactive debugging is
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type command "compute" to calculate the parameters from the default
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type command "print" with arguments to show SPD, options, registers
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type command "edit" with arguments to change any if desired
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type command "copy" with arguments to copy controller/dimm settings
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type command "go" to continue calculation and enable DDR controller
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type command "reset" to reset the board
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type command "recompute" to reload SPD and start over
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@ -313,6 +314,10 @@ edit <c#> <d#> <spd|dimmparms|commonparms|opts|addresses|regs> <element> <value>
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byte number if the object is SPD
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<value> - decimal or heximal (prefixed with 0x) numbers
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copy <src c#> <src d#> <spd|dimmparms|commonparms|opts|addresses|regs> <dst c#> <dst d#>
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same as for "edit" command
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DIMM numbers ignored for commonparms, opts, and regs
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reset
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no arguement - reset the board
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