summary refs log tree commit diff stats
path: root/tests/qtest/libqos/sdhci-cmd.c
diff options
context:
space:
mode:
authorRichard Henderson <richard.henderson@linaro.org>2021-11-03 09:31:25 -0400
committerRichard Henderson <richard.henderson@linaro.org>2021-11-03 09:31:25 -0400
commitcc23377516072d293b0f9ab04741f8982d274639 (patch)
treecb59ab11866c0b4a46ac7f1ac699aced5e0aea12 /tests/qtest/libqos/sdhci-cmd.c
parente86e00a2493254d072581960b48461eb96481e45 (diff)
parent5fd6a3e23669444026f84f466a7ed402c203a84e (diff)
downloadfocaccia-qemu-cc23377516072d293b0f9ab04741f8982d274639.tar.gz
focaccia-qemu-cc23377516072d293b0f9ab04741f8982d274639.zip
Merge remote-tracking branch 'remotes/rth/tags/pull-arm-20211102-2' into staging
Add nuvoton sd module for NPCM7XX
Add gdb-xml for MVE
More uses of tcg_constant_* in target/arm
Fix parameter naming for default-bus-bypass-iommu
Ignore cache operations to mmio in HVF

# gpg: Signature made Tue 02 Nov 2021 02:23:53 PM EDT
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]

* remotes/rth/tags/pull-arm-20211102-2:
  hvf: arm: Ignore cache operations on MMIO
  hw/arm/virt: Rename default_bus_bypass_iommu
  target/arm: Use tcg_constant_i32() in gen_rev16()
  target/arm: Use tcg_constant_i64() in do_sat_addsub_64()
  target/arm: Use the constant variant of store_cpu_field() when possible
  target/arm: Introduce store_cpu_field_constant() helper
  target/arm: Use tcg_constant_i32() in op_smlad()
  target/arm: Advertise MVE to gdb when present
  tests/qtest/libqos: add SDHCI commands
  hw/arm: Attach MMC to quanta-gbs-bmc
  hw/arm: Add Nuvoton SD module to board
  hw/sd: add nuvoton MMC

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tests/qtest/libqos/sdhci-cmd.c')
-rw-r--r--tests/qtest/libqos/sdhci-cmd.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/tests/qtest/libqos/sdhci-cmd.c b/tests/qtest/libqos/sdhci-cmd.c
new file mode 100644
index 0000000000..2d9e518341
--- /dev/null
+++ b/tests/qtest/libqos/sdhci-cmd.c
@@ -0,0 +1,116 @@
+/*
+ * MMC Host Controller Commands
+ *
+ * Copyright (c) 2021 Google LLC
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include "qemu/osdep.h"
+#include "sdhci-cmd.h"
+#include "libqtest.h"
+
+static ssize_t read_fifo(QTestState *qts, uint64_t reg, char *msg, size_t count)
+{
+    uint32_t mask = 0xff;
+    size_t index = 0;
+    uint32_t msg_frag;
+    int size;
+    while (index < count) {
+        size = count - index;
+        if (size > 4) {
+            size = 4;
+        }
+        msg_frag = qtest_readl(qts, reg);
+        while (size > 0) {
+            msg[index] = msg_frag & mask;
+            if (msg[index++] == 0) {
+                return index;
+            }
+            msg_frag >>= 8;
+            --size;
+        }
+    }
+    return index;
+}
+
+static void write_fifo(QTestState *qts, uint64_t reg, const char *msg,
+                       size_t count)
+{
+    size_t index = 0;
+    uint32_t msg_frag;
+    int size;
+    int frag_i;
+    while (index < count) {
+        size = count - index;
+        if (size > 4) {
+            size = 4;
+        }
+        msg_frag = 0;
+        frag_i = 0;
+        while (frag_i < size) {
+            msg_frag |= ((uint32_t)msg[index++]) << (frag_i * 8);
+            ++frag_i;
+        }
+        qtest_writel(qts, reg, msg_frag);
+    }
+}
+
+static void fill_block(QTestState *qts, uint64_t reg, int count)
+{
+    while (--count >= 0) {
+        qtest_writel(qts, reg, 0);
+    }
+}
+
+void sdhci_cmd_regs(QTestState *qts, uint64_t base_addr, uint16_t blksize,
+                    uint16_t blkcnt, uint32_t argument, uint16_t trnmod,
+                    uint16_t cmdreg)
+{
+    qtest_writew(qts, base_addr + SDHC_BLKSIZE, blksize);
+    qtest_writew(qts, base_addr + SDHC_BLKCNT, blkcnt);
+    qtest_writel(qts, base_addr + SDHC_ARGUMENT, argument);
+    qtest_writew(qts, base_addr + SDHC_TRNMOD, trnmod);
+    qtest_writew(qts, base_addr + SDHC_CMDREG, cmdreg);
+}
+
+ssize_t sdhci_read_cmd(QTestState *qts, uint64_t base_addr, char *msg,
+                       size_t count)
+{
+    sdhci_cmd_regs(qts, base_addr, count, 1, 0,
+                   SDHC_TRNS_MULTI | SDHC_TRNS_READ | SDHC_TRNS_BLK_CNT_EN,
+                   SDHC_READ_MULTIPLE_BLOCK | SDHC_CMD_DATA_PRESENT);
+
+    /* read sd fifo_buffer */
+    ssize_t bytes_read = read_fifo(qts, base_addr + SDHC_BDATA, msg, count);
+
+    sdhci_cmd_regs(qts, base_addr, 0, 0, 0,
+                   SDHC_TRNS_MULTI | SDHC_TRNS_READ | SDHC_TRNS_BLK_CNT_EN,
+                   SDHC_STOP_TRANSMISSION);
+
+    return bytes_read;
+}
+
+void sdhci_write_cmd(QTestState *qts, uint64_t base_addr, const char *msg,
+                     size_t count, size_t blksize)
+{
+    sdhci_cmd_regs(qts, base_addr, blksize, 1, 0,
+                   SDHC_TRNS_MULTI | SDHC_TRNS_WRITE | SDHC_TRNS_BLK_CNT_EN,
+                   SDHC_WRITE_MULTIPLE_BLOCK | SDHC_CMD_DATA_PRESENT);
+
+    /* write to sd fifo_buffer */
+    write_fifo(qts, base_addr + SDHC_BDATA, msg, count);
+    fill_block(qts, base_addr + SDHC_BDATA, (blksize - count) / 4);
+
+    sdhci_cmd_regs(qts, base_addr, 0, 0, 0,
+                   SDHC_TRNS_MULTI | SDHC_TRNS_WRITE | SDHC_TRNS_BLK_CNT_EN,
+                   SDHC_STOP_TRANSMISSION);
+}