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mtd: rawnand: sunxi: introduce sram_size in sunxi_nfc_caps

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The H6/H616 the SRAM is bigger than the A10/A23 one, so move its size
into sunxi_nfc_caps.

No functional change

Signed-off-by: Richard Genoud <richard.genoud@bootlin.com>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
This commit is contained in:
Richard Genoud 2025-10-28 08:35:07 +01:00 committed by Miquel Raynal
parent 97d13bcea2
commit 5ddfbc68ec
1 changed files with 7 additions and 5 deletions
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12
drivers/mtd/nand/raw/sunxi_nand.c
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@ -167,8 +167,6 @@
#define NFC_DEFAULT_TIMEOUT_MS 1000
#define NFC_SRAM_SIZE 1024
#define NFC_MAX_CS 7
/*
@ -251,6 +249,7 @@ static inline struct sunxi_nand_chip *to_sunxi_nand(struct nand_chip *nand)
* @dma_maxburst: DMA maxburst
* @ecc_strengths: Available ECC strengths array
* @nstrengths: Size of @ecc_strengths
* @sram_size: Size of the NAND controller SRAM
*/
struct sunxi_nfc_caps {
bool has_mdma;
@ -269,6 +268,7 @@ struct sunxi_nfc_caps {
unsigned int dma_maxburst;
const u8 *ecc_strengths;
unsigned int nstrengths;
int sram_size;
};
/**
@ -506,7 +506,7 @@ static void sunxi_nfc_read_buf(struct nand_chip *nand, uint8_t *buf, int len)
while (len > offs) {
bool poll = false;
cnt = min(len - offs, NFC_SRAM_SIZE);
cnt = min(len - offs, nfc->caps->sram_size);
ret = sunxi_nfc_wait_cmd_fifo_empty(nfc);
if (ret)
@ -544,7 +544,7 @@ static void sunxi_nfc_write_buf(struct nand_chip *nand, const uint8_t *buf,
while (len > offs) {
bool poll = false;
cnt = min(len - offs, NFC_SRAM_SIZE);
cnt = min(len - offs, nfc->caps->sram_size);
ret = sunxi_nfc_wait_cmd_fifo_empty(nfc);
if (ret)
@ -1871,7 +1871,7 @@ static int sunxi_nfc_exec_subop(struct nand_chip *nand,
case NAND_OP_DATA_OUT_INSTR:
start = nand_subop_get_data_start_off(subop, i);
remaining = nand_subop_get_data_len(subop, i);
cnt = min_t(u32, remaining, NFC_SRAM_SIZE);
cnt = min_t(u32, remaining, nfc->caps->sram_size);
cmd |= NFC_DATA_TRANS | NFC_DATA_SWAP_METHOD;
if (instr->type == NAND_OP_DATA_OUT_INSTR) {
@ -2252,6 +2252,7 @@ static const struct sunxi_nfc_caps sunxi_nfc_a10_caps = {
.dma_maxburst = 4,
.ecc_strengths = sunxi_ecc_strengths_a10,
.nstrengths = ARRAY_SIZE(sunxi_ecc_strengths_a10),
.sram_size = 1024,
};
static const struct sunxi_nfc_caps sunxi_nfc_a23_caps = {
@ -2271,6 +2272,7 @@ static const struct sunxi_nfc_caps sunxi_nfc_a23_caps = {
.dma_maxburst = 8,
.ecc_strengths = sunxi_ecc_strengths_a10,
.nstrengths = ARRAY_SIZE(sunxi_ecc_strengths_a10),
.sram_size = 1024,
};
static const struct of_device_id sunxi_nfc_ids[] = {