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| author | Peng Fan <peng.fan@nxp.com> | 2015-12-22 17:04:24 +0800 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2016-01-24 12:09:44 +0100 |
| commit | 6e1a41cd6a08e3ac0dafb79479d7513144d3cefa (patch) | |
| tree | 9ef039c213a1743088a6cf1adc14c86346dec334 /board/freescale | |
| parent | bedaa842ae5dda78fe4d67a7d27618653c94d775 (diff) | |
| download | u-boot-imx-6e1a41cd6a08e3ac0dafb79479d7513144d3cefa.zip u-boot-imx-6e1a41cd6a08e3ac0dafb79479d7513144d3cefa.tar.gz u-boot-imx-6e1a41cd6a08e3ac0dafb79479d7513144d3cefa.tar.bz2 | |
imx: mx7dsabresd: support nand
Add pinmux settings.
Add related macro definitions.
Nand pin conflicts with emmc, so if want to enable nand, need to do
hardware rework. After hardware rework, define CONFIG_NAND_MXS in
board header file.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'board/freescale')
| -rw-r--r-- | board/freescale/mx7dsabresd/mx7dsabresd.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/board/freescale/mx7dsabresd/mx7dsabresd.c b/board/freescale/mx7dsabresd/mx7dsabresd.c index f8ae973..bbcc5bb 100644 --- a/board/freescale/mx7dsabresd/mx7dsabresd.c +++ b/board/freescale/mx7dsabresd/mx7dsabresd.c @@ -47,6 +47,9 @@ DECLARE_GLOBAL_DATA_PTR; #define QSPI_PAD_CTRL \ (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM) +#define NAND_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_SRE_SLOW | PAD_CTL_HYS) + +#define NAND_PAD_READY0_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU5KOHM) #ifdef CONFIG_SYS_I2C_MXC #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) /* I2C1 for PMIC */ @@ -196,6 +199,38 @@ static void iox74lv_init(void) gpio_direction_output(IOX_STCP, 1); }; +#ifdef CONFIG_NAND_MXS +static iomux_v3_cfg_t const gpmi_pads[] = { + MX7D_PAD_SD3_DATA0__NAND_DATA00 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_DATA1__NAND_DATA01 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_DATA2__NAND_DATA02 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_DATA3__NAND_DATA03 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_DATA4__NAND_DATA04 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_DATA5__NAND_DATA05 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_DATA6__NAND_DATA06 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_DATA7__NAND_DATA07 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_CLK__NAND_CLE | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_CMD__NAND_ALE | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_STROBE__NAND_RE_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SD3_RESET_B__NAND_WE_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SAI1_MCLK__NAND_WP_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SAI1_RX_BCLK__NAND_CE3_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SAI1_RX_SYNC__NAND_CE2_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SAI1_RX_DATA__NAND_CE1_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SAI1_TX_BCLK__NAND_CE0_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SAI1_TX_SYNC__NAND_DQS | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX7D_PAD_SAI1_TX_DATA__NAND_READY_B | MUX_PAD_CTRL(NAND_PAD_READY0_CTRL), +}; + +static void setup_gpmi_nand(void) +{ + imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads)); + + /* NAND_USDHC_BUS_CLK is set in rom */ + set_clk_nand(); +} +#endif + #ifdef CONFIG_VIDEO_MXS static iomux_v3_cfg_t const lcd_pads[] = { MX7D_PAD_LCD_CLK__LCD_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL), @@ -503,6 +538,10 @@ int board_init(void) setup_fec(); #endif +#ifdef CONFIG_NAND_MXS + setup_gpmi_nand(); +#endif + #ifdef CONFIG_VIDEO_MXS setup_lcd(); #endif |