From: Peng Fan peng.fan@nxp.com
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 --- board/freescale/mx7dsabresd/mx7dsabresd.c | 39 +++++++++++++++++++++++++++++++ include/configs/mx7dsabresd.h | 25 ++++++++++++++++++++ 2 files changed, 64 insertions(+)
diff --git a/board/freescale/mx7dsabresd/mx7dsabresd.c b/board/freescale/mx7dsabresd/mx7dsabresd.c index 12327c2..3d520d6 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), @@ -493,6 +528,10 @@ int board_init(void) setup_fec(); #endif
+#ifdef CONFIG_NAND_MXS + setup_gpmi_nand(); +#endif + #ifdef CONFIG_VIDEO_MXS setup_lcd(); #endif diff --git a/include/configs/mx7dsabresd.h b/include/configs/mx7dsabresd.h index 22e515c..d23e4f3 100644 --- a/include/configs/mx7dsabresd.h +++ b/include/configs/mx7dsabresd.h @@ -179,8 +179,33 @@ #define CONFIG_SYS_NO_FLASH #define CONFIG_ENV_SIZE SZ_8K #define CONFIG_ENV_IS_IN_MMC + +/* + * If want to use nand, define CONFIG_NAND_MXS and rework board + * to support nand, since emmc has pin conflicts with nand + */ +#ifdef CONFIG_NAND_MXS +#define CONFIG_CMD_NAND +#define CONFIG_CMD_NAND_TRIMFFS + +/* NAND stuff */ +#define CONFIG_SYS_MAX_NAND_DEVICE 1 +#define CONFIG_SYS_NAND_BASE 0x40000000 +#define CONFIG_SYS_NAND_5_ADDR_CYCLE +#define CONFIG_SYS_NAND_ONFI_DETECTION + +/* DMA stuff, needed for GPMI/MXS NAND support */ +#define CONFIG_APBH_DMA +#define CONFIG_APBH_DMA_BURST +#define CONFIG_APBH_DMA_BURST8 +#endif + #define CONFIG_ENV_OFFSET (8 * SZ_64K) +#ifdef CONFIG_NAND_MXS +#define CONFIG_SYS_FSL_USDHC_NUM 1 +#else #define CONFIG_SYS_FSL_USDHC_NUM 2 +#endif
#define CONFIG_SYS_MMC_ENV_DEV 0 /* USDHC1 */ #define CONFIG_SYS_MMC_ENV_PART 0 /* user area */