diff options
| author | Xiangsheng Hou <xiangsheng.hou@mediatek.com> | 2022-12-05 09:57:48 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-12-06 15:37:32 +0300 |
| commit | 7073888c86601389e17f3ee8ab15ab7aef148839 (patch) | |
| tree | 277a33f1043fa47c861a6e174b267c348e8c175e /drivers/spi | |
| parent | 7dbfa445ff7393d1c4c066c1727c9e0af1251958 (diff) | |
| download | linux-7073888c86601389e17f3ee8ab15ab7aef148839.tar.xz | |
spi: mtk-snfi: Add snfi support for MT7986 IC
Add snfi support for MT7986 IC.
Signed-off-by: Xiangsheng Hou <xiangsheng.hou@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221205065756.26875-2-xiangsheng.hou@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-mtk-snfi.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/drivers/spi/spi-mtk-snfi.c b/drivers/spi/spi-mtk-snfi.c index d66bf9762557..fa8412ba20e2 100644 --- a/drivers/spi/spi-mtk-snfi.c +++ b/drivers/spi/spi-mtk-snfi.c @@ -126,7 +126,8 @@ #define STR_DATA BIT(0) #define NFI_STA 0x060 -#define NFI_NAND_FSM GENMASK(28, 24) +#define NFI_NAND_FSM_7622 GENMASK(28, 24) +#define NFI_NAND_FSM_7986 GENMASK(29, 23) #define NFI_FSM GENMASK(19, 16) #define READ_EMPTY BIT(12) @@ -158,6 +159,7 @@ #define MAS_WR GENMASK(5, 3) #define MAS_RDDLY GENMASK(2, 0) #define NFI_MASTERSTA_MASK_7622 (MAS_ADDR | MAS_RD | MAS_WR | MAS_RDDLY) +#define NFI_MASTERSTA_MASK_7986 3 // SNFI registers #define SNF_MAC_CTL 0x500 @@ -220,6 +222,11 @@ static const u8 mt7622_spare_sizes[] = { 16, 26, 27, 28 }; +static const u8 mt7986_spare_sizes[] = { + 16, 26, 27, 28, 32, 36, 40, 44, 48, 49, 50, 51, 52, 62, 61, 63, 64, 67, + 74 +}; + struct mtk_snand_caps { u16 sector_size; u16 max_sectors; @@ -230,6 +237,7 @@ struct mtk_snand_caps { bool bbm_swap; bool empty_page_check; u32 mastersta_mask; + u32 nandfsm_mask; const u8 *spare_sizes; u32 num_spare_size; @@ -244,6 +252,7 @@ static const struct mtk_snand_caps mt7622_snand_caps = { .bbm_swap = false, .empty_page_check = false, .mastersta_mask = NFI_MASTERSTA_MASK_7622, + .nandfsm_mask = NFI_NAND_FSM_7622, .spare_sizes = mt7622_spare_sizes, .num_spare_size = ARRAY_SIZE(mt7622_spare_sizes) }; @@ -257,10 +266,25 @@ static const struct mtk_snand_caps mt7629_snand_caps = { .bbm_swap = true, .empty_page_check = false, .mastersta_mask = NFI_MASTERSTA_MASK_7622, + .nandfsm_mask = NFI_NAND_FSM_7622, .spare_sizes = mt7622_spare_sizes, .num_spare_size = ARRAY_SIZE(mt7622_spare_sizes) }; +static const struct mtk_snand_caps mt7986_snand_caps = { + .sector_size = 1024, + .max_sectors = 8, + .fdm_size = 8, + .fdm_ecc_size = 1, + .fifo_size = 64, + .bbm_swap = true, + .empty_page_check = true, + .mastersta_mask = NFI_MASTERSTA_MASK_7986, + .nandfsm_mask = NFI_NAND_FSM_7986, + .spare_sizes = mt7986_spare_sizes, + .num_spare_size = ARRAY_SIZE(mt7986_spare_sizes) +}; + struct mtk_snand_conf { size_t page_size; size_t oob_size; @@ -360,7 +384,7 @@ static int mtk_nfi_reset(struct mtk_snand *snf) } ret = readl_poll_timeout(snf->nfi_base + NFI_STA, val, - !(val & (NFI_FSM | NFI_NAND_FSM)), 0, + !(val & (NFI_FSM | snf->caps->nandfsm_mask)), 0, SNFI_POLL_INTERVAL); if (ret) { dev_err(snf->dev, "Failed to reset NFI\n"); @@ -1295,6 +1319,7 @@ static irqreturn_t mtk_snand_irq(int irq, void *id) static const struct of_device_id mtk_snand_ids[] = { { .compatible = "mediatek,mt7622-snand", .data = &mt7622_snand_caps }, { .compatible = "mediatek,mt7629-snand", .data = &mt7629_snand_caps }, + { .compatible = "mediatek,mt7986-snand", .data = &mt7986_snand_caps }, {}, }; |