[Qemu-devel] [PATCH] QEMU: Add pflash support for versatile and integrator

[Marek Vasut]

Signed-off-by: Marek Vasut <marek.va...@gmail.com>
---
 hw/integratorcp.c |   26 ++++++++++++++++++++++++++
 hw/versatilepb.c  |   24 ++++++++++++++++++++++++
 2 files changed, 50 insertions(+), 0 deletions(-)

diff --git a/hw/integratorcp.c b/hw/integratorcp.c
index 5b06c81..2703ea6 100644
--- a/hw/integratorcp.c
+++ b/hw/integratorcp.c
@@ -14,6 +14,9 @@
 #include "net.h"
 #include "exec-memory.h"
 #include "sysemu.h"
+#include "blockdev.h"
+#include "exec-memory.h"
+#include "flash.h"
 
 typedef struct {
     SysBusDevice busdev;
@@ -451,6 +454,13 @@ static void integratorcp_init(ram_addr_t ram_size,
     qemu_irq *cpu_pic;
     DeviceState *dev;
     int i;
+    DriveInfo *dinfo;
+
+#ifdef TARGET_WORDS_BIGENDIAN
+    const int be = 1;
+#else
+    const int be = 0;
+#endif
 
     if (!cpu_model)
         cpu_model = "arm926";
@@ -469,6 +479,22 @@ static void integratorcp_init(ram_addr_t ram_size,
     memory_region_init_alias(ram_alias, "ram.alias", ram, 0, ram_size);
     memory_region_add_subregion(address_space_mem, 0x80000000, ram_alias);
 
+    dinfo = drive_get(IF_PFLASH, 0, 0);
+    if (!dinfo) {
+        fprintf(stderr, "Flash image must be given with the "
+                "'pflash' parameter\n");
+        exit(1);
+    }
+
+    if (!pflash_cfi01_register(0x24000000,
+                               NULL, "integrator.flash0", 0x01000000,
+                               dinfo->bdrv, 0x40000,
+                               0x01000000 / 0x40000, 4, 0, 0, 0, 0,
+                               be)) {
+        fprintf(stderr, "qemu: Error registering flash memory.\n");
+        exit(1);
+    }
+
     dev = qdev_create(NULL, "integrator_core");
     qdev_prop_set_uint32(dev, "memsz", ram_size >> 20);
     qdev_init_nofail(dev);
diff --git a/hw/versatilepb.c b/hw/versatilepb.c
index b9102f4..ad8429e 100644
--- a/hw/versatilepb.c
+++ b/hw/versatilepb.c
@@ -17,6 +17,7 @@
 #include "boards.h"
 #include "blockdev.h"
 #include "exec-memory.h"
+#include "flash.h"
 
 /* Primary interrupt controller.  */
 
@@ -181,6 +182,13 @@ static void versatile_init(ram_addr_t ram_size,
     NICInfo *nd;
     int n;
     int done_smc = 0;
+    DriveInfo *dinfo;
+
+#ifdef TARGET_WORDS_BIGENDIAN
+    const int be = 1;
+#else
+    const int be = 0;
+#endif
 
     if (!cpu_model)
         cpu_model = "arm926";
@@ -195,6 +203,22 @@ static void versatile_init(ram_addr_t ram_size,
     /* SDRAM at address zero.  */
     memory_region_add_subregion(sysmem, 0, ram);
 
+    dinfo = drive_get(IF_PFLASH, 0, 0);
+    if (!dinfo) {
+        fprintf(stderr, "Flash image must be given with the "
+                "'pflash' parameter\n");
+        exit(1);
+    }
+
+    if (!pflash_cfi01_register(0x34000000,
+                               NULL, "versatile.flash0", 0x8000000,
+                               dinfo->bdrv, 0x40000,
+                               0x8000000 / 0x40000, 4, 0, 0, 0, 0,
+                               be)) {
+        fprintf(stderr, "qemu: Error registering flash memory.\n");
+        exit(1);
+    }
+
     sysctl = qdev_create(NULL, "realview_sysctl");
     qdev_prop_set_uint32(sysctl, "sys_id", 0x41007004);
     qdev_prop_set_uint32(sysctl, "proc_id", 0x02000000);
-- 
1.7.9