diff options
| author | Philippe Mathieu-Daudé <philmd@linaro.org> | 2024-07-09 16:35:42 +0200 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <philmd@linaro.org> | 2024-07-16 20:28:23 +0200 |
| commit | c3561ab6249322893273707016b2b2253d0e89c3 (patch) | |
| tree | a1973155c3d16d7e7153a1f8d7a152f5ebba7685 /hw/sd | |
| parent | a1e04619950f29bfad781fb0d4cbcda65f5d5245 (diff) | |
hw/sd/sdcard: Add eMMC 'boot-partition-size' property
Avoid hardcoding 1MiB boot size in EXT_CSD_BOOT_MULT,
expose it as 'boot-partition-size' QOM property.
By default, do not use any size. The board is responsible
to set the boot partition size property.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Cédric Le Goater <clg@redhat.com>
Message-Id: <20240712162719.88165-10-philmd@linaro.org>
Diffstat (limited to 'hw/sd')
| -rw-r--r-- | hw/sd/sd.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/hw/sd/sd.c b/hw/sd/sd.c index 2246213b31..d49b144214 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -135,6 +135,7 @@ struct SDState { /* Static properties */ uint8_t spec_version; + uint64_t boot_part_size; BlockBackend *blk; const SDProto *proto; @@ -492,7 +493,8 @@ static void emmc_set_ext_csd(SDState *sd, uint64_t size) /* Properties segment (RO) */ sd->ext_csd[EXT_CSD_S_CMD_SET] = 0b1; /* supported command sets */ sd->ext_csd[EXT_CSD_BOOT_INFO] = 0x0; /* Boot information */ - sd->ext_csd[EXT_CSD_BOOT_MULT] = 0x8; /* Boot partition size. 128KB unit */ + /* Boot partition size. 128KB unit */ + sd->ext_csd[EXT_CSD_BOOT_MULT] = sd->boot_part_size / (128 * KiB); sd->ext_csd[EXT_CSD_ACC_SIZE] = 0x1; /* Access size */ sd->ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] = 0x01; /* HC Erase unit size */ sd->ext_csd[EXT_CSD_ERASE_TIMEOUT_MULT] = 0x01; /* HC erase timeout */ @@ -2704,6 +2706,7 @@ static Property sd_properties[] = { }; static Property emmc_properties[] = { + DEFINE_PROP_UINT64("boot-partition-size", SDState, boot_part_size, 0), DEFINE_PROP_END_OF_LIST() }; |