From cc017f211a338a68a571226e589ce34e47fc8ad3 Mon Sep 17 00:00:00 2001 From: Aidan MacDonald Date: Tue, 7 Jun 2022 17:35:40 +0100 Subject: x1000: support 2nd device ID byte for NAND flash Some components have additional ID bytes. Add support for an optional 2nd device ID byte during the identification routine. Change-Id: I5bbad73fb57004067c6f13f223f7bf4d43ff7849 --- firmware/target/mips/ingenic_x1000/nand-x1000.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'firmware/target/mips/ingenic_x1000/nand-x1000.h') diff --git a/firmware/target/mips/ingenic_x1000/nand-x1000.h b/firmware/target/mips/ingenic_x1000/nand-x1000.h index 5e6d1f09bc..176897e4f2 100644 --- a/firmware/target/mips/ingenic_x1000/nand-x1000.h +++ b/firmware/target/mips/ingenic_x1000/nand-x1000.h @@ -41,6 +41,8 @@ #define NAND_CHIPFLAG_QUAD 0x0001 /* Chip requires QE bit set to enable quad I/O mode */ #define NAND_CHIPFLAG_HAS_QE_BIT 0x0002 +/* Chip has 2nd device ID byte */ +#define NAND_CHIPFLAG_HAS_DEVID2 0x0004 /* cmd mode a d phase format has data */ #define NANDCMD_RESET SFC_CMD(0xff, SFC_TMODE_1_1_1, 0, 0, SFC_PFMT_ADDR_FIRST, 0) @@ -97,6 +99,7 @@ typedef struct nand_chip { /* Manufacturer and device ID bytes */ uint8_t mf_id; uint8_t dev_id; + uint8_t dev_id2; /* Row/column address width */ uint8_t row_cycles; @@ -158,6 +161,7 @@ typedef struct nand_drv { /* Probed mf_id / dev_id for debugging, in case identification fails. */ uint8_t mf_id; uint8_t dev_id; + uint8_t dev_id2; /* SFC commands used for I/O, these are set based on chip data */ uint32_t cmd_page_read; -- cgit v1.2.3