From e02b3bf263f81abb99164230e98043c60333d6e1 Mon Sep 17 00:00:00 2001 From: Marcin Krzeminski Date: Mon, 27 Jun 2016 15:37:33 +0100 Subject: [PATCH] m25p80: Allow more than four banks. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Allow to have more than four 16MiB regions for bigger flash devices. Signed-off-by: Marcin Krzeminski Reviewed-by: Cédric Le Goater Message-id: 1466755631-25201-4-git-send-email-marcin.krzeminski@nokia.com Signed-off-by: Peter Maydell --- hw/block/m25p80.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c index 752c43e474..187899c402 100644 --- a/hw/block/m25p80.c +++ b/hw/block/m25p80.c @@ -129,7 +129,6 @@ typedef struct FlashPartInfo { #define EVCFG_QUAD_IO_ENABLED (1 << 7) #define NVCFG_4BYTE_ADDR_MASK (1 << 0) #define NVCFG_LOWER_SEGMENT_MASK (1 << 1) -#define CFG_UPPER_128MB_SEG_ENABLED 0x3 /* Numonyx (Micron) Flag Status Register macros */ #define FSR_4BYTE_ADDR_MODE_ENABLED 0x1 @@ -545,7 +544,7 @@ static void complete_collecting_data(Flash *s) } if (get_addr_length(s) == 3) { - s->cur_addr += (s->ear & 0x3) * MAX_3BYTES_SIZE; + s->cur_addr += s->ear * MAX_3BYTES_SIZE; } s->state = STATE_IDLE; @@ -644,7 +643,7 @@ static void reset_memory(Flash *s) s->four_bytes_address_mode = true; } if (!(s->nonvolatile_cfg & NVCFG_LOWER_SEGMENT_MASK)) { - s->ear = CFG_UPPER_128MB_SEG_ENABLED; + s->ear = s->size / MAX_3BYTES_SIZE - 1; } break; default: