@@ -115,6 +115,7 @@ struct SDState {
uint8_t spec_version;
BlockBackend *blk;
+ uint8_t boot_config;
/* Runtime changeables */
@@ -459,6 +460,8 @@ static void mmc_set_ext_csd(SDState *sd, uint64_t size)
sd->ext_csd[159] = 0x00; /* Max enhanced area size */
sd->ext_csd[158] = 0x00; /* ... */
sd->ext_csd[157] = 0xEC; /* ... */
+
+ sd->ext_csd[EXT_CSD_PART_CONFIG] = sd->boot_config;
}
static void sd_emmc_set_csd(SDState *sd, uint64_t size)
@@ -883,8 +886,14 @@ static uint32_t sd_emmc_bootpart_offset(SDState *sd)
{
unsigned int access = sd->ext_csd[EXT_CSD_PART_CONFIG] &
EXT_CSD_PART_CONFIG_ACC_MASK;
+ unsigned int enable = sd->ext_csd[EXT_CSD_PART_CONFIG] &
+ EXT_CSD_PART_CONFIG_EN_MASK;
unsigned int boot_capacity = sd_boot_capacity_bytes(sd);
+ if (!enable) {
+ return 0;
+ }
+
switch (access) {
case EXT_CSD_PART_CONFIG_ACC_DEFAULT:
return boot_capacity * 2;
@@ -2559,6 +2568,7 @@ static Property sd_properties[] = {
* whether card should be in SSI or MMC/SD mode. It is also up to the
* board to ensure that ssi transfers only occur when the chip select
* is asserted. */
+ DEFINE_PROP_UINT8("boot-config", SDState, boot_config, 0x0),
DEFINE_PROP_END_OF_LIST()
};