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mtd: rawnand: sunxi: introduce reg_pat_id in sunxi_nfc_caps

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Introduce NDFC Pattern ID Register in capability structure

The H6/H616 pattern ID register is not at the same offset as the
A10/A23 one, so move its offset into sunxi_nfc_caps.

No functional change.

Signed-off-by: Richard Genoud <richard.genoud@bootlin.com>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
This commit is contained in:
Richard Genoud 2026-01-23 12:44:48 +01:00 committed by Michael Trimarchi
parent b4c005d622
commit 9edd503aad
2 changed files with 6 additions and 2 deletions
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3
drivers/mtd/nand/raw/sunxi_nand.c
View File

@ -731,7 +731,7 @@ static int sunxi_nfc_hw_ecc_read_chunk(struct mtd_info *mtd,
if (pattern_found & NFC_ECC_PAT_FOUND(0)) {
u8 pattern = 0xff;
if (unlikely(!(readl(nfc->regs + NFC_REG_PAT_ID) & 0x1)))
if (unlikely(!(readl(nfc->regs + NFC_REG_PAT_ID(nfc)) & 0x1)))
pattern = 0x0;
memset(data, pattern, ecc->size);
@ -1727,6 +1727,7 @@ static const struct sunxi_nfc_caps sunxi_nfc_a10_caps = {
.reg_ecc_err_cnt = NFC_REG_A10_ECC_ERR_CNT,
.reg_user_data = NFC_REG_A10_USER_DATA,
.reg_pat_found = NFC_REG_ECC_ST,
.reg_pat_id = NFC_REG_A10_PAT_ID,
.pat_found_mask = GENMASK(31, 16),
.ecc_mode_mask = GENMASK(15, 12),
};

5
drivers/mtd/nand/raw/sunxi_nand.h
View File

@ -50,7 +50,8 @@
#define NFC_REG_A10_USER_DATA 0x0050
#define NFC_REG_USER_DATA(nfc, x) ((nfc)->caps->reg_user_data + ((x) * 4))
#define NFC_REG_SPARE_AREA 0x00A0
#define NFC_REG_PAT_ID 0x00A4
#define NFC_REG_PAT_ID(nfc) ((nfc)->caps->reg_pat_id)
#define NFC_REG_A10_PAT_ID 0x00A4
#define NFC_RAM0_BASE 0x0400
#define NFC_RAM1_BASE 0x0800
@ -173,6 +174,7 @@
* @nstrengths: Number of element of ECC strengths array
* @reg_ecc_err_cnt: ECC error counter register
* @reg_user_data: User data register
* @reg_pat_id: Pattern ID Register
* @reg_pat_found: Data Pattern Status Register
* @pat_found_mask: ECC_PAT_FOUND mask in NFC_REG_PAT_FOUND register
* @ecc_mode_mask: ECC_MODE mask in NFC_ECC_CTL register
@ -182,6 +184,7 @@ struct sunxi_nfc_caps {
unsigned int nstrengths;
unsigned int reg_ecc_err_cnt;
unsigned int reg_user_data;
unsigned int reg_pat_id;
unsigned int reg_pat_found;
unsigned int pat_found_mask;
unsigned int ecc_mode_mask;