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[Qemu-devel] [PATCH 4/4] versatiblepb: add NOR flash support
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PATCH 4/4] versatiblepb: add NOR flash support |
Date: |
Fri, 20 Apr 2012 18:44:05 +0100 |
From: Eric Benard <address@hidden>
- add support for the 64MB NOR CFI01 flash available at
0x34000000 on the versatilepb board
http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0225d/BBAJIHEC.html
- tested with barebox bootloader
Signed-off-by: Eric BĂ©nard <address@hidden>
Signed-off-by: Peter Maydell <address@hidden>
---
hw/versatilepb.c | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/hw/versatilepb.c b/hw/versatilepb.c
index d011554..7c79c54 100644
--- a/hw/versatilepb.c
+++ b/hw/versatilepb.c
@@ -17,6 +17,11 @@
#include "boards.h"
#include "blockdev.h"
#include "exec-memory.h"
+#include "flash.h"
+
+#define VERSATILE_FLASH_ADDR 0x34000000
+#define VERSATILE_FLASH_SIZE (64 * 1024 * 1024)
+#define VERSATILE_FLASH_SECT_SIZE (256 * 1024)
/* Primary interrupt controller. */
@@ -182,6 +187,7 @@ static void versatile_init(ram_addr_t ram_size,
i2c_bus *i2c;
int n;
int done_smc = 0;
+ DriveInfo *dinfo;
if (!cpu_model)
cpu_model = "arm926";
@@ -316,6 +322,16 @@ static void versatile_init(ram_addr_t ram_size,
/* 0x101f2000 UART1. */
/* 0x101f3000 UART2. */
/* 0x101f4000 SSPI. */
+ /* 0x34000000 NOR Flash */
+
+ dinfo = drive_get(IF_PFLASH, 0, 0);
+ if (!pflash_cfi01_register(VERSATILE_FLASH_ADDR, NULL, "versatile.flash",
+ VERSATILE_FLASH_SIZE, dinfo ? dinfo->bdrv : NULL,
+ VERSATILE_FLASH_SECT_SIZE,
+ VERSATILE_FLASH_SIZE / VERSATILE_FLASH_SECT_SIZE,
+ 4, 0x0089, 0x0018, 0x0000, 0x0, 0)) {
+ fprintf(stderr, "qemu: Error registering flash memory.\n");
+ }
versatile_binfo.ram_size = ram_size;
versatile_binfo.kernel_filename = kernel_filename;
--
1.7.1