On 11/26/20 7:41 PM, Sughosh Ganu wrote:
The dfu framework uses the dfu_alt_info environment variable to get information that is needed for performing the firmware update. Set the dfu_alt_info for the platform to reflect the two mtd partitions created for the u-boot env and the firmware image.
Signed-off-by: Sughosh Ganu sughosh.ganu@linaro.org
I can't see anything QEMU specific in this patch. Why is the code under board/emulation/?
Best regards
Heinrich
board/emulation/qemu-arm/qemu-arm.c | 55 +++++++++++++++++++++++++++++ include/configs/qemu-arm.h | 1 + 2 files changed, 56 insertions(+)
diff --git a/board/emulation/qemu-arm/qemu-arm.c b/board/emulation/qemu-arm/qemu-arm.c index d5ed3eebaf..8cad54c76f 100644 --- a/board/emulation/qemu-arm/qemu-arm.c +++ b/board/emulation/qemu-arm/qemu-arm.c @@ -200,8 +200,63 @@ void flash_write32(u32 value, void *addr)
#if defined(CONFIG_EFI_CAPSULE_FIRMWARE_MANAGEMENT)
+#include <memalign.h> #include <mtd.h>
+#define MTDPARTS_LEN 256 +#define MTDIDS_LEN 128
+#define DFU_ALT_BUF_LEN SZ_1K
+static void board_get_alt_info(struct mtd_info *mtd, char *buf) +{
- struct mtd_info *part;
- bool first = true;
- const char *name;
- int len, partnum = 0;
- name = mtd->name;
- len = strlen(buf);
- if (buf[0] != '\0')
len += snprintf(buf + len, DFU_ALT_BUF_LEN - len, "&");- len += snprintf(buf + len, DFU_ALT_BUF_LEN - len,
"mtd %s=", name);- list_for_each_entry(part, &mtd->partitions, node) {
partnum++;if (!first)len += snprintf(buf + len, DFU_ALT_BUF_LEN - len, ";");first = false;len += snprintf(buf + len, DFU_ALT_BUF_LEN - len,"%s part %d",part->name, partnum);- }
+}
+void set_dfu_alt_info(char *interface, char *devstr) +{
- struct mtd_info *mtd;
- ALLOC_CACHE_ALIGN_BUFFER(char, buf, DFU_ALT_BUF_LEN);
- if (env_get("dfu_alt_info"))
return;- memset(buf, 0, sizeof(buf));
- /* probe all MTD devices */
- mtd_probe_devices();
- mtd = get_mtd_device_nm("nor0");
- if (!IS_ERR_OR_NULL(mtd))
board_get_alt_info(mtd, buf);- env_set("dfu_alt_info", buf);
- printf("dfu_alt_info set\n");
+}
- static void board_get_mtdparts(const char *dev, const char *partition, char *mtdids, char *mtdparts) {
diff --git a/include/configs/qemu-arm.h b/include/configs/qemu-arm.h index 69ff329434..726f985d35 100644 --- a/include/configs/qemu-arm.h +++ b/include/configs/qemu-arm.h @@ -33,6 +33,7 @@ #include <config_distro_bootcmd.h>
#if defined(CONFIG_EFI_CAPSULE_FIRMWARE_MANAGEMENT) +#define CONFIG_SET_DFU_ALT_INFO #define CONFIG_SYS_MTDPARTS_RUNTIME #endif