diff options
Diffstat (limited to 'hw/misc/aspeed_sbc.c')
| -rw-r--r-- | hw/misc/aspeed_sbc.c | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/hw/misc/aspeed_sbc.c b/hw/misc/aspeed_sbc.c index bfa8b81..c6f328e 100644 --- a/hw/misc/aspeed_sbc.c +++ b/hw/misc/aspeed_sbc.c @@ -11,6 +11,7 @@ #include "qemu/osdep.h" #include "qemu/log.h" #include "qemu/error-report.h" +#include "hw/qdev-properties.h" #include "hw/misc/aspeed_sbc.h" #include "qapi/error.h" #include "migration/vmstate.h" @@ -19,6 +20,27 @@ #define R_STATUS (0x014 / 4) #define R_QSR (0x040 / 4) +/* R_STATUS */ +#define ABR_EN BIT(14) /* Mirrors SCU510[11] */ +#define ABR_IMAGE_SOURCE BIT(13) +#define SPI_ABR_IMAGE_SOURCE BIT(12) +#define SB_CRYPTO_KEY_EXP_DONE BIT(11) +#define SB_CRYPTO_BUSY BIT(10) +#define OTP_WP_EN BIT(9) +#define OTP_ADDR_WP_EN BIT(8) +#define LOW_SEC_KEY_EN BIT(7) +#define SECURE_BOOT_EN BIT(6) +#define UART_BOOT_EN BIT(5) +/* bit 4 reserved*/ +#define OTP_CHARGE_PUMP_READY BIT(3) +#define OTP_IDLE BIT(2) +#define OTP_MEM_IDLE BIT(1) +#define OTP_COMPARE_STATUS BIT(0) + +/* QSR */ +#define QSR_RSA_MASK (0x3 << 12) +#define QSR_HASH_MASK (0x3 << 10) + static uint64_t aspeed_sbc_read(void *opaque, hwaddr addr, unsigned int size) { AspeedSBCState *s = ASPEED_SBC(opaque); @@ -80,8 +102,17 @@ static void aspeed_sbc_reset(DeviceState *dev) memset(s->regs, 0, sizeof(s->regs)); /* Set secure boot enabled with RSA4096_SHA256 and enable eMMC ABR */ - s->regs[R_STATUS] = 0x000044C6; - s->regs[R_QSR] = 0x07C07C89; + s->regs[R_STATUS] = OTP_IDLE | OTP_MEM_IDLE; + + if (s->emmc_abr) { + s->regs[R_STATUS] &= ABR_EN; + } + + if (s->signing_settings) { + s->regs[R_STATUS] &= SECURE_BOOT_EN; + } + + s->regs[R_QSR] = s->signing_settings; } static void aspeed_sbc_realize(DeviceState *dev, Error **errp) @@ -105,6 +136,12 @@ static const VMStateDescription vmstate_aspeed_sbc = { } }; +static Property aspeed_sbc_properties[] = { + DEFINE_PROP_BOOL("emmc-abr", AspeedSBCState, emmc_abr, 0), + DEFINE_PROP_UINT32("signing-settings", AspeedSBCState, signing_settings, 0), + DEFINE_PROP_END_OF_LIST(), +}; + static void aspeed_sbc_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); @@ -112,6 +149,7 @@ static void aspeed_sbc_class_init(ObjectClass *klass, void *data) dc->realize = aspeed_sbc_realize; dc->reset = aspeed_sbc_reset; dc->vmsd = &vmstate_aspeed_sbc; + device_class_set_props(dc, aspeed_sbc_properties); } static const TypeInfo aspeed_sbc_info = { |