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authorPeng Fan <peng.fan@nxp.com>2015-12-22 17:04:24 +0800
committerStefano Babic <sbabic@denx.de>2016-01-24 12:09:44 +0100
commit6e1a41cd6a08e3ac0dafb79479d7513144d3cefa (patch)
tree9ef039c213a1743088a6cf1adc14c86346dec334 /board/freescale/mx7dsabresd
parentbedaa842ae5dda78fe4d67a7d27618653c94d775 (diff)
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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/mx7dsabresd')
-rw-r--r--board/freescale/mx7dsabresd/mx7dsabresd.c39
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