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path: root/hw/block/pflash_cfi02.c
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Diffstat (limited to 'hw/block/pflash_cfi02.c')
-rw-r--r--hw/block/pflash_cfi02.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/hw/block/pflash_cfi02.c b/hw/block/pflash_cfi02.c
index 49afecb921..c079a63880 100644
--- a/hw/block/pflash_cfi02.c
+++ b/hw/block/pflash_cfi02.c
@@ -165,12 +165,23 @@ static void pflash_timer (void *opaque)
pfl->cmd = 0;
}
+/*
+ * Read data from flash.
+ */
+static uint64_t pflash_data_read(PFlashCFI02 *pfl, hwaddr offset,
+ unsigned int width)
+{
+ uint8_t *p = (uint8_t *)pfl->storage + offset;
+ uint64_t ret = pfl->be ? ldn_be_p(p, width) : ldn_le_p(p, width);
+ trace_pflash_data_read(offset, width << 1, ret);
+ return ret;
+}
+
static uint32_t pflash_read(PFlashCFI02 *pfl, hwaddr offset,
int width, int be)
{
hwaddr boff;
uint32_t ret;
- uint8_t *p;
ret = -1;
/* Lazy reset to ROMD mode after a certain amount of read accesses */
@@ -194,15 +205,8 @@ static uint32_t pflash_read(PFlashCFI02 *pfl, hwaddr offset,
case 0x80:
/* We accept reads during second unlock sequence... */
case 0x00:
- flash_read:
/* Flash area read */
- p = (uint8_t *)pfl->storage + offset;
- if (pfl->be) {
- ret = ldn_be_p(p, width);
- } else {
- ret = ldn_le_p(p, width);
- }
- trace_pflash_data_read(offset, width << 1, ret);
+ ret = pflash_data_read(pfl, offset, width);
break;
case 0x90:
/* flash ID read */
@@ -222,7 +226,7 @@ static uint32_t pflash_read(PFlashCFI02 *pfl, hwaddr offset,
}
/* Fall through to data read. */
default:
- goto flash_read;
+ ret = pflash_data_read(pfl, offset, width);
}
DPRINTF("%s: ID " TARGET_FMT_plx " %" PRIx32 "\n", __func__, boff, ret);
break;