[MTD] [NAND] Add Blackfin BF52x support in bf5xx_nand driver (a25b7fee) · Commits · 戴 / test

drivers/mtd/nand/Kconfig

+1 −1

Original line number	Diff line number	Diff line
		@@ -93,7 +93,7 @@ config MTD_NAND_AU1550

		config MTD_NAND_BF5XX
		tristate "Blackfin on-chip NAND Flash Controller driver"
		depends on BF54x && MTD_NAND
		depends on (BF54x \|\| BF52x) && MTD_NAND
		help
		This enables the Blackfin on-chip NAND flash controller

+18 −2

Original line number	Diff line number	Diff line
		@@ -74,7 +74,22 @@ static int hardware_ecc = 1;
		static int hardware_ecc;
		#endif

		static unsigned short bfin_nfc_pin_req[] = {P_NAND_CE, P_NAND_RB, 0};
		static unsigned short bfin_nfc_pin_req[] =
		{P_NAND_CE,
		P_NAND_RB,
		P_NAND_D0,
		P_NAND_D1,
		P_NAND_D2,
		P_NAND_D3,
		P_NAND_D4,
		P_NAND_D5,
		P_NAND_D6,
		P_NAND_D7,
		P_NAND_WE,
		P_NAND_RE,
		P_NAND_CLE,
		P_NAND_ALE,
		0};

		/*
		* Data structures for bf5xx nand flash controller driver
		@@ -507,12 +522,13 @@ static int bf5xx_nand_dma_init(struct bf5xx_nand_info *info)

		init_completion(&info->dma_completion);

		#ifdef CONFIG_BF54x
		/* Setup DMAC1 channel mux for NFC which shared with SDH */
		val = bfin_read_DMAC1_PERIMUX();
		val &= 0xFFFE;
		bfin_write_DMAC1_PERIMUX(val);
		SSYNC();

		#endif
		/* Request NFC DMA channel */
		ret = request_dma(CH_NFC, "BF5XX NFC driver");
		if (ret < 0) {