From 0f5897821d3cf8ec6f198dc415d58591c47ce334 Mon Sep 17 00:00:00 2001 From: Francisco Iglesias Date: Wed, 13 Dec 2017 17:59:21 +0000 Subject: [PATCH] m25p80: Add support for BRRD/BRWR and BULK_ERASE (0x60) MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Add support for the bank address register access commands (BRRD/BRWR) and the BULK_ERASE (0x60) command. Signed-off-by: Francisco Iglesias Acked-by: Marcin Krzemiński Reviewed-by: Edgar E. Iglesias Tested-by: Edgar E. Iglesias Message-id: 20171126231634.9531-4-frasse.iglesias@gmail.com Signed-off-by: Peter Maydell --- hw/block/m25p80.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c index 092c0c67e9..35efdf0600 100644 --- a/hw/block/m25p80.c +++ b/hw/block/m25p80.c @@ -331,7 +331,10 @@ typedef enum { WRDI = 0x4, RDSR = 0x5, WREN = 0x6, + BRRD = 0x16, + BRWR = 0x17, JEDEC_READ = 0x9f, + BULK_ERASE_60 = 0x60, BULK_ERASE = 0xc7, READ_FSR = 0x70, RDCR = 0x15, @@ -704,6 +707,7 @@ static void complete_collecting_data(Flash *s) s->write_enable = false; } break; + case BRWR: case EXTEND_ADDR_WRITE: s->ear = s->data[0]; break; @@ -1050,6 +1054,7 @@ static void decode_new_cmd(Flash *s, uint32_t value) s->state = STATE_READING_DATA; break; + case BULK_ERASE_60: case BULK_ERASE: if (s->write_enable) { DB_PRINT_L(0, "chip erase\n"); @@ -1067,12 +1072,14 @@ static void decode_new_cmd(Flash *s, uint32_t value) case EX_4BYTE_ADDR: s->four_bytes_address_mode = false; break; + case BRRD: case EXTEND_ADDR_READ: s->data[0] = s->ear; s->pos = 0; s->len = 1; s->state = STATE_READING_DATA; break; + case BRWR: case EXTEND_ADDR_WRITE: if (s->write_enable) { s->needed_bytes = 1; -- 2.11.4.GIT