The default SD/MMC host controller uses SD spec v2.00. 64-bit system bus capability was added in v2.
In this change, we arrive at 0x157834b4 by computing (0x057834b4 | (1ul << 28)) where 28 represents the BUS64BIT SDHC_CAPAB field. Signed-off-by: Joanne Koong <joanneko...@gmail.com> --- hw/sd/sdhci-internal.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/sd/sdhci-internal.h b/hw/sd/sdhci-internal.h index e8c753d6d1..a76fc704e5 100644 --- a/hw/sd/sdhci-internal.h +++ b/hw/sd/sdhci-internal.h @@ -316,16 +316,16 @@ extern const VMStateDescription sdhci_vmstate; * - 3.3v and 1.8v voltages * - SDMA/ADMA1/ADMA2 * - high-speed + * - 64-bit system bus * max host controller R/W buffers size: 512B * max clock frequency for SDclock: 52 MHz * timeout clock frequency: 52 MHz * * does not support: * - 3.0v voltage - * - 64-bit system bus * - suspend/resume */ -#define SDHC_CAPAB_REG_DEFAULT 0x057834b4 +#define SDHC_CAPAB_REG_DEFAULT 0x157834b4 #define DEFINE_SDHCI_COMMON_PROPERTIES(_state) \ DEFINE_PROP_UINT8("sd-spec-version", _state, sd_spec_version, 2), \ -- 2.20.1