+
+static int parse_hwpart_user(struct mmc_hwpart_conf *pconf,
+ int argc, char * const argv[])
+{
+ int i = 0;
+
+ memset(&pconf->user, 0, sizeof(pconf->user));
+
+ while (i < argc) {
+ if (!strcmp(argv[i], "enh")) {
+ if (i + 2 >= argc)
+ return -1;
+ pconf->user.enh_start =
+ simple_strtoul(argv[i+1], NULL, 10);
+ pconf->user.enh_size =
+ simple_strtoul(argv[i+2], NULL, 10);
+ i += 3;
+ } else if (!strcmp(argv[i], "wrrel")) {
+ if (i + 1 >= argc)
+ return -1;
+ pconf->user.wr_rel_change = 1;
+ if (!strcmp(argv[i+1], "on"))
+ pconf->user.wr_rel_set = 1;
+ else if (!strcmp(argv[i+1], "off"))
+ pconf->user.wr_rel_set = 0;
+ else
+ return -1;
+ i += 2;
+ } else {
+ break;
+ }
+ }
+ return i;
+}
+
+static int parse_hwpart_gp(struct mmc_hwpart_conf *pconf, int pidx,
+ int argc, char * const argv[])
+{
+ int i;
+
+ memset(&pconf->gp_part[pidx], 0, sizeof(pconf->gp_part[pidx]));
+
+ if (1 >= argc)
+ return -1;
+ pconf->gp_part[pidx].size = simple_strtoul(argv[0], NULL, 10);
+
+ i = 1;
+ while (i < argc) {
+ if (!strcmp(argv[i], "enh")) {
+ pconf->gp_part[pidx].enhanced = 1;
+ i += 1;
+ } else if (!strcmp(argv[i], "wrrel")) {
+ if (i + 1 >= argc)
+ return -1;
+ pconf->gp_part[pidx].wr_rel_change = 1;
+ if (!strcmp(argv[i+1], "on"))
+ pconf->gp_part[pidx].wr_rel_set = 1;
+ else if (!strcmp(argv[i+1], "off"))
+ pconf->gp_part[pidx].wr_rel_set = 0;
+ else
+ return -1;
+ i += 2;
+ } else {
+ break;
+ }
+ }
+ return i;
+}
+
+static int do_mmc_hwpartition(cmd_tbl_t *cmdtp, int flag,
+ int argc, char * const argv[])
+{
+ struct mmc *mmc;
+ struct mmc_hwpart_conf pconf = { };
+ enum mmc_hwpart_conf_mode mode = MMC_HWPART_CONF_CHECK;
+ int i, r, pidx;
+
+ mmc = init_mmc_device(curr_device, false);
+ if (!mmc)
+ return CMD_RET_FAILURE;
+
+ if (argc < 1)
+ return CMD_RET_USAGE;
+ i = 1;
+ while (i < argc) {
+ if (!strcmp(argv[i], "user")) {
+ i++;
+ r = parse_hwpart_user(&pconf, argc-i, &argv[i]);
+ if (r < 0)
+ return CMD_RET_USAGE;
+ i += r;
+ } else if (!strncmp(argv[i], "gp", 2) &&
+ strlen(argv[i]) == 3 &&
+ argv[i][2] >= '1' && argv[i][2] <= '4') {
+ pidx = argv[i][2] - '1';
+ i++;
+ r = parse_hwpart_gp(&pconf, pidx, argc-i, &argv[i]);
+ if (r < 0)
+ return CMD_RET_USAGE;
+ i += r;
+ } else if (!strcmp(argv[i], "check")) {
+ mode = MMC_HWPART_CONF_CHECK;
+ i++;
+ } else if (!strcmp(argv[i], "set")) {
+ mode = MMC_HWPART_CONF_SET;
+ i++;
+ } else if (!strcmp(argv[i], "complete")) {
+ mode = MMC_HWPART_CONF_COMPLETE;
+ i++;
+ } else {
+ return CMD_RET_USAGE;
+ }
+ }
+
+ puts("Partition configuration:\n");
+ if (pconf.user.enh_size) {
+ puts("\tUser Enhanced Start: ");
+ print_size(((u64)pconf.user.enh_start) << 9, "\n");
+ puts("\tUser Enhanced Size: ");
+ print_size(((u64)pconf.user.enh_size) << 9, "\n");
+ } else {
+ puts("\tNo enhanced user data area\n");
+ }
+ if (pconf.user.wr_rel_change)
+ printf("\tUser partition write reliability: %s\n",
+ pconf.user.wr_rel_set ? "on" : "off");
+ for (pidx = 0; pidx < 4; pidx++) {
+ if (pconf.gp_part[pidx].size) {
+ printf("\tGP%i Capacity: ", pidx+1);
+ print_size(((u64)pconf.gp_part[pidx].size) << 9,
+ pconf.gp_part[pidx].enhanced ?
+ " ENH\n" : "\n");
+ } else {
+ printf("\tNo GP%i partition\n", pidx+1);
+ }
+ if (pconf.gp_part[pidx].wr_rel_change)
+ printf("\tGP%i write reliability: %s\n", pidx+1,
+ pconf.gp_part[pidx].wr_rel_set ? "on" : "off");
+ }
+
+ if (!mmc_hwpart_config(mmc, &pconf, mode)) {
+ if (mode == MMC_HWPART_CONF_COMPLETE)
+ puts("Partitioning successful, "
+ "power-cycle to make effective\n");
+ return CMD_RET_SUCCESS;
+ } else {
+ puts("Failed!\n");
+ return CMD_RET_FAILURE;
+ }
+}
+