[PATCH 3/4] tests/qtest/npcm7xx_sdhci: Access the card using its published address

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

Currently setup_sd_card() asks the card its address,
but discard the response and use hardcoded 0x4567.

Set the SDHC_CMD_RESPONSE bit to have the controller
record the bus response, and read the response from
the RSPREG0 register. Then we can select the card with
its real address.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
Cc: Hao Wu <wuhaotsh@google.com>
Cc: Chris Rauer <crauer@google.com>
Cc: Shengtan Mao <stmao@google.com>
Cc: Patrick Venture <venture@google.com>
Cc: Tyrone Ting <kfting@nuvoton.com>
---
 tests/qtest/libqos/sdhci-cmd.h   | 2 ++
 tests/qtest/npcm7xx_sdhci-test.c | 8 ++++++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/tests/qtest/libqos/sdhci-cmd.h b/tests/qtest/libqos/sdhci-cmd.h
index 9e61dd4944..90efa028ef 100644
--- a/tests/qtest/libqos/sdhci-cmd.h
+++ b/tests/qtest/libqos/sdhci-cmd.h
@@ -22,6 +22,7 @@
 #define SDHC_ARGUMENT 0x08
 #define SDHC_TRNMOD 0x0C
 #define SDHC_CMDREG 0x0E
+#define SDHC_RSPREG0 0x10
 #define SDHC_BDATA 0x20
 #define SDHC_PRNSTS 0x24
 #define SDHC_BLKGAP 0x2A
@@ -38,6 +39,7 @@
 #define SDHC_TRNS_MULTI 0x0020
 
 /* CMD Reg */
+#define SDHC_CMD_RESPONSE (3 << 0)
 #define SDHC_CMD_DATA_PRESENT (1 << 5)
 #define SDHC_ALL_SEND_CID (2 << 8)
 #define SDHC_SEND_RELATIVE_ADDR (3 << 8)
diff --git a/tests/qtest/npcm7xx_sdhci-test.c b/tests/qtest/npcm7xx_sdhci-test.c
index 5d68540e52..01f237a816 100644
--- a/tests/qtest/npcm7xx_sdhci-test.c
+++ b/tests/qtest/npcm7xx_sdhci-test.c
@@ -30,6 +30,8 @@ char *sd_path;
 
 static QTestState *setup_sd_card(void)
 {
+    uint16_t rca;
+
     QTestState *qts = qtest_initf(
         "-machine kudo-bmc "
         "-device sd-card,drive=drive0 "
@@ -43,8 +45,10 @@ static QTestState *setup_sd_card(void)
     sdhci_cmd_regs(qts, NPCM7XX_MMC_BA, 0, 0, 0, 0, SDHC_APP_CMD);
     sdhci_cmd_regs(qts, NPCM7XX_MMC_BA, 0, 0, 0x41200000, 0, (41 << 8));
     sdhci_cmd_regs(qts, NPCM7XX_MMC_BA, 0, 0, 0, 0, SDHC_ALL_SEND_CID);
-    sdhci_cmd_regs(qts, NPCM7XX_MMC_BA, 0, 0, 0, 0, SDHC_SEND_RELATIVE_ADDR);
-    sdhci_cmd_regs(qts, NPCM7XX_MMC_BA, 0, 0, 0x45670000, 0,
+    sdhci_cmd_regs(qts, NPCM7XX_MMC_BA, 0, 0, 0, 0, SDHC_SEND_RELATIVE_ADDR
+                                                    | SDHC_CMD_RESPONSE);
+    rca = qtest_readl(qts, NPCM7XX_MMC_BA + SDHC_RSPREG0) >> 16;
+    sdhci_cmd_regs(qts, NPCM7XX_MMC_BA, 0, 0, rca << 16, 0,
                    SDHC_SELECT_DESELECT_CARD);
 
     return qts;
-- 
2.41.0