From aaa6dd927fce6ffe081046347280665ebc1f5782 Mon Sep 17 00:00:00 2001 From: kc8apf Date: Fri, 22 May 2009 17:49:28 +0000 Subject: [PATCH] =?utf8?q?Author:=20Ra=C3=BAl=20S=C3=A1nchez=20Siles=20=20=09-=20Fix=20multi-byte=20reads=20on=20?= =?utf8?q?x16=20devices=20used=20as=20x8?= MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit git-svn-id: svn://svn.berlios.de/openocd/trunk@1886 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- src/flash/cfi.c | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) diff --git a/src/flash/cfi.c b/src/flash/cfi.c index 7ae58f10..dca9bef5 100644 --- a/src/flash/cfi.c +++ b/src/flash/cfi.c @@ -204,9 +204,18 @@ static u8 cfi_get_u8(flash_bank_t *bank, int sector, u32 offset) static u16 cfi_query_u16(flash_bank_t *bank, int sector, u32 offset) { target_t *target = bank->target; + cfi_flash_bank_t *cfi_info = bank->driver_priv; u8 data[CFI_MAX_BUS_WIDTH * 2]; - target->type->read_memory(target, flash_address(bank, sector, offset), bank->bus_width, 2, data); + if(cfi_info->x16_as_x8) + { + u8 i; + for(i=0;i<2;i++) + target->type->read_memory(target, flash_address(bank, sector, offset+i), bank->bus_width, 1, + &data[i*bank->bus_width] ); + } + else + target->type->read_memory(target, flash_address(bank, sector, offset), bank->bus_width, 2, data); if (bank->target->endianness == TARGET_LITTLE_ENDIAN) return data[0] | data[bank->bus_width] << 8; @@ -217,9 +226,18 @@ static u16 cfi_query_u16(flash_bank_t *bank, int sector, u32 offset) static u32 cfi_query_u32(flash_bank_t *bank, int sector, u32 offset) { target_t *target = bank->target; + cfi_flash_bank_t *cfi_info = bank->driver_priv; u8 data[CFI_MAX_BUS_WIDTH * 4]; - target->type->read_memory(target, flash_address(bank, sector, offset), bank->bus_width, 4, data); + if(cfi_info->x16_as_x8) + { + u8 i; + for(i=0;i<4;i++) + target->type->read_memory(target, flash_address(bank, sector, offset+i), bank->bus_width, 1, + &data[i*bank->bus_width] ); + } + else + target->type->read_memory(target, flash_address(bank, sector, offset), bank->bus_width, 4, data); if (bank->target->endianness == TARGET_LITTLE_ENDIAN) return data[0] | data[bank->bus_width] << 8 | data[bank->bus_width * 2] << 16 | data[bank->bus_width * 3] << 24; -- 2.39.5