From d94d254262594b912c65511b5d0675c6ab900d60 Mon Sep 17 00:00:00 2001 From: Ed Swierk Date: Mon, 3 Jul 2017 13:02:18 -0700 Subject: 4BA: Add spi_exit_4ba function to switch SPI flash to 3-byte addressing Change-Id: I553e7fb5028f35e14a3a81b3fa8903c1b321a223 Signed-off-by: Ed Swierk Reviewed-on: https://review.coreboot.org/20509 Reviewed-by: David Hendricks Tested-by: build bot (Jenkins) --- spi4ba.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'spi4ba.h') diff --git a/spi4ba.h b/spi4ba.h index 8e500d15..8a017924 100644 --- a/spi4ba.h +++ b/spi4ba.h @@ -80,6 +80,10 @@ int spi_enter_4ba_b7(struct flashctx *flash); int spi_enter_4ba_b7_we(struct flashctx *flash); +/* exit 4-bytes addressing mode */ +int spi_exit_4ba_e9(struct flashctx *flash); +int spi_exit_4ba_e9_we(struct flashctx *flash); + /* read/write flash bytes in 4-bytes addressing mode */ int spi_byte_program_4ba(struct flashctx *flash, unsigned int addr, uint8_t databyte); int spi_nbyte_program_4ba(struct flashctx *flash, unsigned int addr, const uint8_t *bytes, unsigned int len); -- cgit v1.2.3