Add NAND pins mux settings for AM335X devices. Enable NAND pins for AM335X EVM board.
Signed-off-by: Ilya Yanok ilya.yanok@cogentembedded.com
--- Changes in v2: -fix nand mux settings (profiles 2&3 don't have NAND)
board/ti/am335x/mux.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+)
diff --git a/board/ti/am335x/mux.c b/board/ti/am335x/mux.c index 8437ef5..0283708 100644 --- a/board/ti/am335x/mux.c +++ b/board/ti/am335x/mux.c @@ -171,6 +171,25 @@ static struct module_pin_mux mii1_pin_mux[] = { {-1}, };
+static struct module_pin_mux nand_pin_mux[] = { + {OFFSET(gpmc_ad0), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD0 */ + {OFFSET(gpmc_ad1), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD1 */ + {OFFSET(gpmc_ad2), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD2 */ + {OFFSET(gpmc_ad3), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD3 */ + {OFFSET(gpmc_ad4), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD4 */ + {OFFSET(gpmc_ad5), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD5 */ + {OFFSET(gpmc_ad6), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD6 */ + {OFFSET(gpmc_ad7), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD7 */ + {OFFSET(gpmc_wait0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* NAND WAIT */ + {OFFSET(gpmc_wpn), (MODE(7) | PULLUP_EN | RXACTIVE)}, /* NAND_WPN */ + {OFFSET(gpmc_csn0), (MODE(0) | PULLUDEN)}, /* NAND_CS0 */ + {OFFSET(gpmc_advn_ale), (MODE(0) | PULLUDEN)}, /* NAND_ADV_ALE */ + {OFFSET(gpmc_oen_ren), (MODE(0) | PULLUDEN)}, /* NAND_OE */ + {OFFSET(gpmc_wen), (MODE(0) | PULLUDEN)}, /* NAND_WEN */ + {OFFSET(gpmc_be0n_cle), (MODE(0) | PULLUDEN)}, /* NAND_BE_CLE */ + {-1}, +}; + void enable_uart0_pin_mux(void) { configure_module_pin_mux(uart0_pin_mux); @@ -257,6 +276,9 @@ void enable_board_pin_mux(struct am335x_baseboard_id *header) /* In profile #2 i2c1 and spi0 conflict. */ if (profile & ~PROFILE_2) configure_module_pin_mux(i2c1_pin_mux); + /* Profiles 2 & 3 don't have NAND */ + if (profile & ~(PROFILE_2 | PROFILE_3)) + configure_module_pin_mux(nand_pin_mux); else if (profile == PROFILE_2) { configure_module_pin_mux(mmc1_pin_mux); configure_module_pin_mux(spi0_pin_mux);