diff options
author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2018-02-08 13:48:05 -0300 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-02-13 16:15:08 +0100 |
commit | 4d67852d9c97b51359b90aa58333e774c98f1a8c (patch) | |
tree | 78816a6c9e0220fa873e23c9d56568ad245c06ac /hw/sd | |
parent | 27a49d3be627807734f0e2f3e30315cb5235ea76 (diff) |
sdhci: add support for v3 capabilities
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-18-f4bug@amsat.org>
Diffstat (limited to 'hw/sd')
-rw-r--r-- | hw/sd/sdhci-internal.h | 13 | ||||
-rw-r--r-- | hw/sd/sdhci.c | 54 |
2 files changed, 65 insertions, 2 deletions
diff --git a/hw/sd/sdhci-internal.h b/hw/sd/sdhci-internal.h index 969dbe4ee4..9ab1a71866 100644 --- a/hw/sd/sdhci-internal.h +++ b/hw/sd/sdhci-internal.h @@ -43,6 +43,7 @@ #define SDHC_TRNS_DMA 0x0001 #define SDHC_TRNS_BLK_CNT_EN 0x0002 #define SDHC_TRNS_ACMD12 0x0004 +#define SDHC_TRNS_ACMD23 0x0008 /* since v3 */ #define SDHC_TRNS_READ 0x0010 #define SDHC_TRNS_MULTI 0x0020 #define SDHC_TRNMOD_MASK 0x0037 @@ -193,6 +194,7 @@ FIELD(SDHC_CAPAB, TOCLKFREQ, 0, 6); FIELD(SDHC_CAPAB, TOUNIT, 7, 1); FIELD(SDHC_CAPAB, BASECLKFREQ, 8, 8); FIELD(SDHC_CAPAB, MAXBLOCKLENGTH, 16, 2); +FIELD(SDHC_CAPAB, EMBEDDED_8BIT, 18, 1); /* since v3 */ FIELD(SDHC_CAPAB, ADMA2, 19, 1); /* since v2 */ FIELD(SDHC_CAPAB, ADMA1, 20, 1); /* v1 only? */ FIELD(SDHC_CAPAB, HIGHSPEED, 21, 1); @@ -202,6 +204,17 @@ FIELD(SDHC_CAPAB, V33, 24, 1); FIELD(SDHC_CAPAB, V30, 25, 1); FIELD(SDHC_CAPAB, V18, 26, 1); FIELD(SDHC_CAPAB, BUS64BIT, 28, 1); /* since v2 */ +FIELD(SDHC_CAPAB, ASYNC_INT, 29, 1); /* since v3 */ +FIELD(SDHC_CAPAB, SLOT_TYPE, 30, 2); /* since v3 */ +FIELD(SDHC_CAPAB, BUS_SPEED, 32, 3); /* since v3 */ +FIELD(SDHC_CAPAB, DRIVER_STRENGTH, 36, 3); /* since v3 */ +FIELD(SDHC_CAPAB, DRIVER_TYPE_A, 36, 1); /* since v3 */ +FIELD(SDHC_CAPAB, DRIVER_TYPE_C, 37, 1); /* since v3 */ +FIELD(SDHC_CAPAB, DRIVER_TYPE_D, 38, 1); /* since v3 */ +FIELD(SDHC_CAPAB, TIMER_RETUNING, 40, 4); /* since v3 */ +FIELD(SDHC_CAPAB, SDR50_TUNING, 45, 1); /* since v3 */ +FIELD(SDHC_CAPAB, RETUNING_MODE, 46, 2); /* since v3 */ +FIELD(SDHC_CAPAB, CLOCK_MULT, 48, 8); /* since v3 */ /* HWInit Maximum Current Capabilities Register 0x0 */ #define SDHC_MAXCURR 0x48 diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c index d4a7c68db7..844c5d5e32 100644 --- a/hw/sd/sdhci.c +++ b/hw/sd/sdhci.c @@ -69,6 +69,9 @@ static inline unsigned int sdhci_get_fifolen(SDHCIState *s) static bool sdhci_check_capab_freq_range(SDHCIState *s, const char *desc, uint8_t freq, Error **errp) { + if (s->sd_spec_version >= 3) { + return false; + } switch (freq) { case 0: case 10 ... 63: @@ -88,6 +91,50 @@ static void sdhci_check_capareg(SDHCIState *s, Error **errp) bool y; switch (s->sd_spec_version) { + case 3: + val = FIELD_EX64(s->capareg, SDHC_CAPAB, ASYNC_INT); + trace_sdhci_capareg("async interrupt", val); + msk = FIELD_DP64(msk, SDHC_CAPAB, ASYNC_INT, 0); + + val = FIELD_EX64(s->capareg, SDHC_CAPAB, SLOT_TYPE); + if (val) { + error_setg(errp, "slot-type not supported"); + return; + } + trace_sdhci_capareg("slot type", val); + msk = FIELD_DP64(msk, SDHC_CAPAB, SLOT_TYPE, 0); + + if (val != 2) { + val = FIELD_EX64(s->capareg, SDHC_CAPAB, EMBEDDED_8BIT); + trace_sdhci_capareg("8-bit bus", val); + } + msk = FIELD_DP64(msk, SDHC_CAPAB, EMBEDDED_8BIT, 0); + + val = FIELD_EX64(s->capareg, SDHC_CAPAB, BUS_SPEED); + trace_sdhci_capareg("bus speed mask", val); + msk = FIELD_DP64(msk, SDHC_CAPAB, BUS_SPEED, 0); + + val = FIELD_EX64(s->capareg, SDHC_CAPAB, DRIVER_STRENGTH); + trace_sdhci_capareg("driver strength mask", val); + msk = FIELD_DP64(msk, SDHC_CAPAB, DRIVER_STRENGTH, 0); + + val = FIELD_EX64(s->capareg, SDHC_CAPAB, TIMER_RETUNING); + trace_sdhci_capareg("timer re-tuning", val); + msk = FIELD_DP64(msk, SDHC_CAPAB, TIMER_RETUNING, 0); + + val = FIELD_EX64(s->capareg, SDHC_CAPAB, SDR50_TUNING); + trace_sdhci_capareg("use SDR50 tuning", val); + msk = FIELD_DP64(msk, SDHC_CAPAB, SDR50_TUNING, 0); + + val = FIELD_EX64(s->capareg, SDHC_CAPAB, RETUNING_MODE); + trace_sdhci_capareg("re-tuning mode", val); + msk = FIELD_DP64(msk, SDHC_CAPAB, RETUNING_MODE, 0); + + val = FIELD_EX64(s->capareg, SDHC_CAPAB, CLOCK_MULT); + trace_sdhci_capareg("clock multiplier", val); + msk = FIELD_DP64(msk, SDHC_CAPAB, CLOCK_MULT, 0); + + /* fallthrough */ case 2: /* default version */ val = FIELD_EX64(s->capareg, SDHC_CAPAB, ADMA2); trace_sdhci_capareg("ADMA2", val); @@ -1227,8 +1274,11 @@ static void sdhci_init_readonly_registers(SDHCIState *s, Error **errp) { Error *local_err = NULL; - if (s->sd_spec_version != 2) { - error_setg(errp, "Only Spec v2 is supported"); + switch (s->sd_spec_version) { + case 2 ... 3: + break; + default: + error_setg(errp, "Only Spec v2/v3 are supported"); return; } s->version = (SDHC_HCVER_VENDOR << 8) | (s->sd_spec_version - 1); |