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mtd: rawnand: meson: initialize clock register

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Clock register must be also initialized during controller probing. If
this is not performed (for example by bootloader before) - controller
will not work.

Signed-off-by: Arseniy Krasnov <avkrasnov@salutedevices.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20231120064239.3304108-1-avkrasnov@salutedevices.com
This commit is contained in:
Arseniy Krasnov 2023-11-20 09:42:39 +03:00 committed by Miquel Raynal
parent 923fb6238c
commit acb1fd579e
1 changed files with 3 additions and 1 deletions
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4
drivers/mtd/nand/raw/meson_nand.c
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@ -90,6 +90,8 @@
/* eMMC clock register, misc control */
#define CLK_SELECT_NAND BIT(31)
#define CLK_ALWAYS_ON_NAND BIT(24)
#define CLK_SELECT_FIX_PLL2 BIT(6)
#define NFC_CLK_CYCLE 6
@ -1154,7 +1156,7 @@ static int meson_nfc_clk_init(struct meson_nfc *nfc)
return PTR_ERR(nfc->nand_clk);
/* init SD_EMMC_CLOCK to sane defaults w/min clock rate */
writel(CLK_SELECT_NAND | readl(nfc->reg_clk),
writel(CLK_ALWAYS_ON_NAND | CLK_SELECT_NAND | CLK_SELECT_FIX_PLL2,
nfc->reg_clk);
ret = clk_prepare_enable(nfc->core_clk);