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versatiblepb: add NOR flash support 

- 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 Bénard <eric@eukrea.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Eric Benard 2012-04-16 05:02:47 +00:00 committed by Peter Maydell
parent bdac1c1e95
commit 964c695a54
1 changed files with 16 additions and 0 deletions
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16
hw/versatilepb.c
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@ -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;