mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

m25p80: Add support for BRRD/BRWR and BULK_ERASE (0x60)

Browse Source 
Add support for the bank address register access commands (BRRD/BRWR) and
the BULK_ERASE (0x60) command.

Signed-off-by: Francisco Iglesias <frasse.iglesias@gmail.com>
Acked-by: Marcin Krzemiński <mar.krzeminski@gmail.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20171126231634.9531-4-frasse.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Francisco Iglesias 2017-12-13 17:59:21 +00:00 committed by Peter Maydell
parent a87fc364f9
commit 0f5897821d
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
hw/block/m25p80.c
View File

@ -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;