[Qemu-devel] [PATCH v12 30/30] sdhci: add Spec v4.2 register definitions

["Philippe Mathieu-Daudé" <f4bug@amsat.org>]

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 hw/sd/sdhci-internal.h |  9 +++++++++
 hw/sd/sdhci.c          | 14 ++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/hw/sd/sdhci-internal.h b/hw/sd/sdhci-internal.h
index 0092627076..e1bb733aed 100644
--- a/hw/sd/sdhci-internal.h
+++ b/hw/sd/sdhci-internal.h
@@ -198,6 +198,10 @@ FIELD(SDHC_HOSTCTL2, V18_ENA,          3, 1); /* UHS-I only */
 FIELD(SDHC_HOSTCTL2, DRIVER_STRENGTH,  4, 2); /* UHS-I only */
 FIELD(SDHC_HOSTCTL2, EXECUTE_TUNING,   6, 1); /* UHS-I only */
 FIELD(SDHC_HOSTCTL2, SAMPLING_CLKSEL,  7, 1); /* UHS-I only */
+FIELD(SDHC_HOSTCTL2, UHS_II_ENA,       8, 1); /* since v4 */
+FIELD(SDHC_HOSTCTL2, ADMA2_LENGTH,    10, 1); /* since v4 */
+FIELD(SDHC_HOSTCTL2, CMD23_ENA,       11, 1); /* since v4 */
+FIELD(SDHC_HOSTCTL2, VERSION4,        12, 1); /* since v4 */
 FIELD(SDHC_HOSTCTL2, ASYNC_INT,       14, 1);
 FIELD(SDHC_HOSTCTL2, PRESET_ENA,      15, 1);
 
@@ -216,10 +220,12 @@ FIELD(SDHC_CAPAB, SUSPRESUME,         23, 1);
 FIELD(SDHC_CAPAB, V33,                24, 1);
 FIELD(SDHC_CAPAB, V30,                25, 1);
 FIELD(SDHC_CAPAB, V18,                26, 1);
+FIELD(SDHC_CAPAB, BUS64BIT_V4,        27, 1); /* since v4.10 */
 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, UHS_II,             35, 8); /* since v4.20 */
 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 */
@@ -228,12 +234,15 @@ 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 */
+FIELD(SDHC_CAPAB, ADMA3,              59, 1); /* since v4.20 */
+FIELD(SDHC_CAPAB, V18_VDD2,           60, 1); /* since v4.20 */
 
 /* HWInit Maximum Current Capabilities Register 0x0 */
 #define SDHC_MAXCURR                   0x48
 FIELD(SDHC_MAXCURR, V33_VDD1,          0, 8);
 FIELD(SDHC_MAXCURR, V30_VDD1,          8, 8);
 FIELD(SDHC_MAXCURR, V18_VDD1,         16, 8);
+FIELD(SDHC_MAXCURR, V18_VDD2,         32, 8); /* since v4.20 */
 
 /* W Force Event Auto CMD12 Error Interrupt Register 0x0000 */
 #define SDHC_FEAER                     0x50
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 6e5bea804c..c2e4b7003d 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -92,6 +92,20 @@ static void sdhci_check_capareg(SDHCIState *s, Error **errp)
     bool unit_mhz;
 
     switch (s->sd_spec_version) {
+    case 4:
+        val = FIELD_EX64(s->capareg, SDHC_CAPAB, BUS64BIT_V4);
+        msk = FIELD_DP64(msk, SDHC_CAPAB, BUS64BIT_V4, 0);
+        trace_sdhci_capareg("64-bit system bus (v4)", val);
+
+        val = FIELD_EX64(s->capareg, SDHC_CAPAB, UHS_II);
+        msk = FIELD_DP64(msk, SDHC_CAPAB, UHS_II, 0);
+        trace_sdhci_capareg("UHS-II", val);
+
+        val = FIELD_EX64(s->capareg, SDHC_CAPAB, ADMA3);
+        msk = FIELD_DP64(msk, SDHC_CAPAB, ADMA3, 0);
+        trace_sdhci_capareg("ADMA3", val);
+
+    /* fallback */
     case 3:
         val = FIELD_EX64(s->capareg, SDHC_CAPAB, ASYNC_INT);
         trace_sdhci_capareg("async interrupt", val);
-- 
2.16.1