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[Qemu-devel] [PATCH 4/4] Versatile Express: Add modelling of NOR flash
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PATCH 4/4] Versatile Express: Add modelling of NOR flash |
Date: |
Wed, 26 Sep 2012 17:13:35 +0100 |
From: Francesco Lavra <address@hidden>
This patch adds modelling of the two NOR flash banks found on the
Versatile Express motherboard. Tested with U-Boot running on an emulated
Versatile Express, with either A9 or A15 CoreTile.
Signed-off-by: Francesco Lavra <address@hidden>
Signed-off-by: Peter Maydell <address@hidden>
---
hw/vexpress.c | 26 ++++++++++++++++++++++++--
1 file changed, 24 insertions(+), 2 deletions(-)
diff --git a/hw/vexpress.c b/hw/vexpress.c
index 454c2bb..3596d1e 100644
--- a/hw/vexpress.c
+++ b/hw/vexpress.c
@@ -29,8 +29,12 @@
#include "sysemu.h"
#include "boards.h"
#include "exec-memory.h"
+#include "blockdev.h"
+#include "flash.h"
#define VEXPRESS_BOARD_ID 0x8e0
+#define VEXPRESS_FLASH_SIZE (64 * 1024 * 1024)
+#define VEXPRESS_FLASH_SECT_SIZE (256 * 1024)
static struct arm_boot_info vexpress_binfo;
@@ -355,6 +359,7 @@ static void vexpress_common_init(const VEDBoardInfo
*daughterboard,
qemu_irq pic[64];
uint32_t proc_id;
uint32_t sys_id;
+ DriveInfo *dinfo;
ram_addr_t vram_size, sram_size;
MemoryRegion *sysmem = get_system_memory();
MemoryRegion *vram = g_new(MemoryRegion, 1);
@@ -410,8 +415,25 @@ static void vexpress_common_init(const VEDBoardInfo
*daughterboard,
sysbus_create_simple("pl111", map[VE_CLCD], pic[14]);
- /* VE_NORFLASH0: not modelled */
- /* VE_NORFLASH1: not modelled */
+ dinfo = drive_get_next(IF_PFLASH);
+ if (!pflash_cfi01_register(map[VE_NORFLASH0], NULL, "vexpress.flash0",
+ VEXPRESS_FLASH_SIZE, dinfo ? dinfo->bdrv : NULL,
+ VEXPRESS_FLASH_SECT_SIZE,
+ VEXPRESS_FLASH_SIZE / VEXPRESS_FLASH_SECT_SIZE, 4,
+ 0x00, 0x89, 0x00, 0x18, 0)) {
+ fprintf(stderr, "vexpress: error registering flash 0.\n");
+ exit(1);
+ }
+
+ dinfo = drive_get_next(IF_PFLASH);
+ if (!pflash_cfi01_register(map[VE_NORFLASH1], NULL, "vexpress.flash1",
+ VEXPRESS_FLASH_SIZE, dinfo ? dinfo->bdrv : NULL,
+ VEXPRESS_FLASH_SECT_SIZE,
+ VEXPRESS_FLASH_SIZE / VEXPRESS_FLASH_SECT_SIZE, 4,
+ 0x00, 0x89, 0x00, 0x18, 0)) {
+ fprintf(stderr, "vexpress: error registering flash 1.\n");
+ exit(1);
+ }
sram_size = 0x2000000;
memory_region_init_ram(sram, "vexpress.sram", sram_size);
--
1.7.9.5