1 files changed, 58 insertions, 0 deletions
diff --git a/hw/block/m25p80_sfdp.c b/hw/block/m25p80_sfdp.c
new file mode 100644
index 0000000000..24ec05de79
--- /dev/null
+++ b/hw/block/m25p80_sfdp.c
@@ -0,0 +1,58 @@
+/*
+ * M25P80 Serial Flash Discoverable Parameter (SFDP)
+ *
+ * Copyright (c) 2020, IBM Corporation.
+ *
+ * This code is licensed under the GPL version 2 or later. See the
+ * COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/host-utils.h"
+#include "m25p80_sfdp.h"
+
+#define define_sfdp_read(model)                                       \
+    uint8_t m25p80_sfdp_##model(uint32_t addr)                        \
+    {                                                                 \
+        assert(is_power_of_2(sizeof(sfdp_##model)));                  \
+        return sfdp_##model[addr & (sizeof(sfdp_##model) - 1)];       \
+    }
+
+/*
+ * Micron
+ */
+static const uint8_t sfdp_n25q256a[] = {
+    0x53, 0x46, 0x44, 0x50, 0x00, 0x01, 0x00, 0xff,
+    0x00, 0x00, 0x01, 0x09, 0x30, 0x00, 0x00, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xe5, 0x20, 0xfb, 0xff, 0xff, 0xff, 0xff, 0x0f,
+    0x29, 0xeb, 0x27, 0x6b, 0x08, 0x3b, 0x27, 0xbb,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x27, 0xbb,
+    0xff, 0xff, 0x29, 0xeb, 0x0c, 0x20, 0x10, 0xd8,
+    0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+};
+define_sfdp_read(n25q256a);