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authorPhilippe Mathieu-Daudé2018-02-08 17:48:01 +0100
committerPaolo Bonzini2018-02-13 16:15:08 +0100
commit0540fba949c4d2ed833796a4a23becf5fcc93286 (patch)
tree4e82845e70bfd9f55ccde6bfc8affd767510e41b /hw/sd/sdhci.c
parentsdhci: Fix 64-bit ADMA2 (diff)
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sdhci: check Spec v2 capabilities (DMA and 64-bit bus)
Incorrect value will throw an error. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Alistair Francis <alistair.francis@xilinx.com> Message-Id: <20180208164818.7961-14-f4bug@amsat.org>
Diffstat (limited to 'hw/sd/sdhci.c')
-rw-r--r--hw/sd/sdhci.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index a6322f20f4..d4a7c68db7 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -89,6 +89,17 @@ static void sdhci_check_capareg(SDHCIState *s, Error **errp)
switch (s->sd_spec_version) {
case 2: /* default version */
+ val = FIELD_EX64(s->capareg, SDHC_CAPAB, ADMA2);
+ trace_sdhci_capareg("ADMA2", val);
+ msk = FIELD_DP64(msk, SDHC_CAPAB, ADMA2, 0);
+
+ val = FIELD_EX64(s->capareg, SDHC_CAPAB, ADMA1);
+ trace_sdhci_capareg("ADMA1", val);
+ msk = FIELD_DP64(msk, SDHC_CAPAB, ADMA1, 0);
+
+ val = FIELD_EX64(s->capareg, SDHC_CAPAB, BUS64BIT);
+ trace_sdhci_capareg("64-bit system bus", val);
+ msk = FIELD_DP64(msk, SDHC_CAPAB, BUS64BIT, 0);
/* fallthrough */
case 1:
@@ -832,7 +843,7 @@ static void sdhci_data_transfer(void *opaque)
break;
case SDHC_CTRL_ADMA1_32:
- if (!(s->capareg & SDHC_CAN_DO_ADMA1)) {
+ if (!(s->capareg & R_SDHC_CAPAB_ADMA1_MASK)) {
trace_sdhci_error("ADMA1 not supported");
break;
}
@@ -840,7 +851,7 @@ static void sdhci_data_transfer(void *opaque)
sdhci_do_adma(s);
break;
case SDHC_CTRL_ADMA2_32:
- if (!(s->capareg & SDHC_CAN_DO_ADMA2)) {
+ if (!(s->capareg & R_SDHC_CAPAB_ADMA2_MASK)) {
trace_sdhci_error("ADMA2 not supported");
break;
}
@@ -848,8 +859,8 @@ static void sdhci_data_transfer(void *opaque)
sdhci_do_adma(s);
break;
case SDHC_CTRL_ADMA2_64:
- if (!(s->capareg & SDHC_CAN_DO_ADMA2) ||
- !(s->capareg & SDHC_64_BIT_BUS_SUPPORT)) {
+ if (!(s->capareg & R_SDHC_CAPAB_ADMA2_MASK) ||
+ !(s->capareg & R_SDHC_CAPAB_BUS64BIT_MASK)) {
trace_sdhci_error("64 bit ADMA not supported");
break;
}