staging:mt29f_spinand: MT29F2G failing as only 16 bits used for addressing.

For NAND flash chips with more than 1Gbit (e.g. MT29F2G) more than 16 bits
are necessary to address the correct page.

Signed-off-by: Palle Christensen <palle.christensen@microsemi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Palle Christensen 2018-03-15 13:47:05 +01:00 коммит произвёл Greg Kroah-Hartman
Родитель 2ebd9ec4ac
Коммит 6efb21d6d0
1 изменённых файлов: 3 добавлений и 0 удалений

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@ -316,6 +316,7 @@ static int spinand_read_page_to_cache(struct spi_device *spi_nand, u16 page_id)
row = page_id;
cmd.cmd = CMD_READ;
cmd.n_addr = 3;
cmd.addr[0] = (u8)((row & 0xff0000) >> 16);
cmd.addr[1] = (u8)((row & 0xff00) >> 8);
cmd.addr[2] = (u8)(row & 0x00ff);
@ -464,6 +465,7 @@ static int spinand_program_execute(struct spi_device *spi_nand, u16 page_id)
row = page_id;
cmd.cmd = CMD_PROG_PAGE_EXC;
cmd.n_addr = 3;
cmd.addr[0] = (u8)((row & 0xff0000) >> 16);
cmd.addr[1] = (u8)((row & 0xff00) >> 8);
cmd.addr[2] = (u8)(row & 0x00ff);
@ -579,6 +581,7 @@ static int spinand_erase_block_erase(struct spi_device *spi_nand, u16 block_id)
row = block_id;
cmd.cmd = CMD_ERASE_BLK;
cmd.n_addr = 3;
cmd.addr[0] = (u8)((row & 0xff0000) >> 16);
cmd.addr[1] = (u8)((row & 0xff00) >> 8);
cmd.addr[2] = (u8)(row & 0x00ff);