omap: Add routine for setting fastboot variables
This patch reuses new option, which allows us to expose variables
from environment to "fastboot getvar" command. Those variables must be
of "fastboot.%s" format.
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
diff --git a/arch/arm/mach-omap2/utils.c b/arch/arm/mach-omap2/utils.c
index e0e3212..1946641 100644
--- a/arch/arm/mach-omap2/utils.c
+++ b/arch/arm/mach-omap2/utils.c
@@ -19,6 +19,121 @@
}
}
+#ifdef CONFIG_FASTBOOT_FLASH
+static void omap_set_fastboot_cpu(void)
+{
+ char *cpu;
+ u32 cpu_rev = omap_revision();
+
+ switch (cpu_rev) {
+ case DRA752_ES1_0:
+ case DRA752_ES1_1:
+ case DRA752_ES2_0:
+ cpu = "DRA752";
+ break;
+ case DRA722_ES1_0:
+ case DRA722_ES2_0:
+ cpu = "DRA722";
+ break;
+ default:
+ cpu = NULL;
+ printf("Warning: fastboot.cpu: unknown CPU rev: %u\n", cpu_rev);
+ }
+
+ setenv("fastboot.cpu", cpu);
+}
+
+static void omap_set_fastboot_secure(void)
+{
+ const char *secure;
+ u32 dev = get_device_type();
+
+ switch (dev) {
+ case EMU_DEVICE:
+ secure = "EMU";
+ break;
+ case HS_DEVICE:
+ secure = "HS";
+ break;
+ case GP_DEVICE:
+ secure = "GP";
+ break;
+ default:
+ secure = NULL;
+ printf("Warning: fastboot.secure: unknown CPU sec: %u\n", dev);
+ }
+
+ setenv("fastboot.secure", secure);
+}
+
+static void omap_set_fastboot_board_rev(void)
+{
+ const char *board_rev;
+
+ board_rev = getenv("board_rev");
+ if (board_rev == NULL)
+ printf("Warning: fastboot.board_rev: unknown board revision\n");
+
+ setenv("fastboot.board_rev", board_rev);
+}
+
+#ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV
+static u32 omap_mmc_get_part_size(const char *part)
+{
+ int res;
+ struct blk_desc *dev_desc;
+ disk_partition_t info;
+ u64 sz = 0;
+
+ dev_desc = blk_get_dev("mmc", CONFIG_FASTBOOT_FLASH_MMC_DEV);
+ if (!dev_desc || dev_desc->type == DEV_TYPE_UNKNOWN) {
+ error("invalid mmc device\n");
+ return 0;
+ }
+
+ res = part_get_info_by_name(dev_desc, part, &info);
+ if (res < 0) {
+ error("cannot find partition: '%s'\n", part);
+ return 0;
+ }
+
+ /* Calculate size in bytes */
+ sz = (info.size * (u64)info.blksz);
+ /* to KiB */
+ sz >>= 10;
+
+ return (u32)sz;
+}
+
+static void omap_set_fastboot_userdata_size(void)
+{
+ char buf[16];
+ u32 sz_kb;
+
+ sz_kb = omap_mmc_get_part_size("userdata");
+ if (sz_kb == 0) {
+ buf[0] = '\0';
+ printf("Warning: fastboot.userdata_size: unable to calc\n");
+ } else {
+ sprintf(buf, "%u", sz_kb);
+ }
+
+ setenv("fastboot.userdata_size", buf);
+}
+#else
+static inline void omap_set_fastboot_userdata_size(void)
+{
+}
+#endif /* CONFIG_FASTBOOT_FLASH_MMC_DEV */
+void omap_set_fastboot_vars(void)
+{
+ omap_set_fastboot_cpu();
+ omap_set_fastboot_secure();
+ omap_set_fastboot_board_rev();
+ omap_set_fastboot_userdata_size();
+}
+#endif /* CONFIG_FASTBOOT_FLASH */
+
/*
* Cancel out the denominator and numerator of a fraction
* to get smaller numerator and denominator.