From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34124) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ekA5L-0002LL-Qq for qemu-devel@nongnu.org; Fri, 09 Feb 2018 09:55:33 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ekA5H-0005ac-2c for qemu-devel@nongnu.org; Fri, 09 Feb 2018 09:55:31 -0500 Received: from mail-qt0-x243.google.com ([2607:f8b0:400d:c0d::243]:33867) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1ekA5G-0005a4-TF for qemu-devel@nongnu.org; Fri, 09 Feb 2018 09:55:26 -0500 Received: by mail-qt0-x243.google.com with SMTP id d14so10836144qtg.1 for ; Fri, 09 Feb 2018 06:55:26 -0800 (PST) Sender: =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Date: Fri, 9 Feb 2018 11:54:17 -0300 Message-Id: <20180209145430.26007-18-f4bug@amsat.org> In-Reply-To: <20180209145430.26007-1-f4bug@amsat.org> References: <20180209145430.26007-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH v12 17/30] sdhci: add support for v3 capabilities List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org, Peter Maydell , Alistair Francis , "Edgar E . Iglesias" Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Alistair Francis --- hw/sd/sdhci-internal.h | 13 ++++++++++++ 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 fe68b21e92..bfb39d614b 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 @@ -194,6 +195,7 @@ 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); @@ -203,6 +205,17 @@ 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 f0b9af4976..0fa58cea84 100644 --- a/hw/sd/sdhci.c +++ b/hw/sd/sdhci.c @@ -70,6 +70,9 @@ 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: @@ -89,6 +92,50 @@ static void sdhci_check_capareg(SDHCIState *s, Error **errp) bool unit_mhz; 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 != 0b10) { + 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); + + /* fallback */ case 2: /* default version */ val = FIELD_EX64(s->capareg, SDHC_CAPAB, ADMA2); msk = FIELD_DP64(msk, SDHC_CAPAB, ADMA2, 0); @@ -1228,8 +1275,11 @@ 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); -- 2.16.1