[U-Boot] [PATCH 5/6] imx: zmx25: Convert to iomux-v3
Benoît Thébaudeau
benoit.thebaudeau at advansee.com
Fri Apr 26 22:56:37 CEST 2013
There is no change of behavior, even if some pad control values could probably
be simplified.
Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau at advansee.com>
---
board/syteco/zmx25/zmx25.c | 143 ++++++++++++++++++++++----------------------
1 file changed, 72 insertions(+), 71 deletions(-)
diff --git a/board/syteco/zmx25/zmx25.c b/board/syteco/zmx25/zmx25.c
index 4f37c59..087d856 100644
--- a/board/syteco/zmx25/zmx25.c
+++ b/board/syteco/zmx25/zmx25.c
@@ -32,91 +32,85 @@
#include <asm/gpio.h>
#include <asm/io.h>
#include <asm/arch/imx-regs.h>
-#include <asm/arch/imx25-pinmux.h>
-#include <asm/arch/sys_proto.h>
+#include <asm/arch/iomux-mx25.h>
DECLARE_GLOBAL_DATA_PTR;
int board_init()
{
- struct iomuxc_mux_ctl *muxctl;
- struct iomuxc_pad_ctl *padctl;
- struct iomuxc_pad_input_select *inputselect;
- u32 gpio_mux_mode0_sion = MX25_PIN_MUX_MODE(0) | MX25_PIN_MUX_SION;
- u32 gpio_mux_mode1 = MX25_PIN_MUX_MODE(1);
- u32 gpio_mux_mode5 = MX25_PIN_MUX_MODE(5);
- u32 gpio_mux_mode6 = MX25_PIN_MUX_MODE(6);
- u32 input_select1 = MX25_PAD_INPUT_SELECT_DAISY(1);
- u32 input_select2 = MX25_PAD_INPUT_SELECT_DAISY(2);
+ static const iomux_v3_cfg_t sdhc1_pads[] = {
+ NEW_PAD_CTRL(MX25_PAD_SD1_CMD__SD1_CMD, NO_PAD_CTRL),
+ NEW_PAD_CTRL(MX25_PAD_SD1_CLK__SD1_CLK, NO_PAD_CTRL),
+ NEW_PAD_CTRL(MX25_PAD_SD1_DATA0__SD1_DATA0, NO_PAD_CTRL),
+ NEW_PAD_CTRL(MX25_PAD_SD1_DATA1__SD1_DATA1, NO_PAD_CTRL),
+ NEW_PAD_CTRL(MX25_PAD_SD1_DATA2__SD1_DATA2, NO_PAD_CTRL),
+ NEW_PAD_CTRL(MX25_PAD_SD1_DATA3__SD1_DATA3, NO_PAD_CTRL),
+ };
+
+ static const iomux_v3_cfg_t dig_out_pads[] = {
+ MX25_PAD_CSI_D8__GPIO_1_7, /* Ouput 1 Ctrl */
+ MX25_PAD_CSI_D7__GPIO_1_6, /* Ouput 2 Ctrl */
+ NEW_PAD_CTRL(MX25_PAD_CSI_D6__GPIO_1_31, 0), /* Ouput 1 Stat */
+ NEW_PAD_CTRL(MX25_PAD_CSI_D5__GPIO_1_30, 0), /* Ouput 2 Stat */
+ };
+
+ static const iomux_v3_cfg_t led_pads[] = {
+ MX25_PAD_CSI_D9__GPIO_4_21,
+ MX25_PAD_CSI_D4__GPIO_1_29,
+ };
+
+ static const iomux_v3_cfg_t can_pads[] = {
+ NEW_PAD_CTRL(MX25_PAD_GPIO_A__CAN1_TX, NO_PAD_CTRL),
+ NEW_PAD_CTRL(MX25_PAD_GPIO_B__CAN1_RX, NO_PAD_CTRL),
+ NEW_PAD_CTRL(MX25_PAD_GPIO_C__CAN2_TX, NO_PAD_CTRL),
+ NEW_PAD_CTRL(MX25_PAD_GPIO_D__CAN2_RX, NO_PAD_CTRL),
+ };
+
+ static const iomux_v3_cfg_t i2c3_pads[] = {
+ MX25_PAD_CSPI1_SS1__I2C3_DAT,
+ MX25_PAD_GPIO_E__I2C3_CLK,
+ };
icache_enable();
- muxctl = (struct iomuxc_mux_ctl *)IMX_IOPADMUX_BASE;
- padctl = (struct iomuxc_pad_ctl *)IMX_IOPADCTL_BASE;
- inputselect = (struct iomuxc_pad_input_select *)IMX_IOPADINPUTSEL_BASE;
-
- /* Setup of core volatage selection pin to run at 1.4V */
- writel(gpio_mux_mode5, &muxctl->pad_ext_armclk); /* VCORE GPIO3[15] */
+ /* Setup of core voltage selection pin to run at 1.4V */
+ imx_iomux_v3_setup_pad(MX25_PAD_EXT_ARMCLK__GPIO_3_15); /* VCORE */
gpio_direction_output(IMX_GPIO_NR(3, 15), 1);
- /* Setup of input daisy chains for SD card pins*/
- writel(gpio_mux_mode0_sion, &muxctl->pad_sd1_cmd);
- writel(gpio_mux_mode0_sion, &muxctl->pad_sd1_clk);
- writel(gpio_mux_mode0_sion, &muxctl->pad_sd1_data0);
- writel(gpio_mux_mode0_sion, &muxctl->pad_sd1_data1);
- writel(gpio_mux_mode0_sion, &muxctl->pad_sd1_data2);
- writel(gpio_mux_mode0_sion, &muxctl->pad_sd1_data3);
+ /* Setup of SD card pins*/
+ imx_iomux_v3_setup_multiple_pads(sdhc1_pads, ARRAY_SIZE(sdhc1_pads));
/* Setup of digital output for USB power and OC */
- writel(gpio_mux_mode5, &muxctl->pad_csi_d3); /* USB Power GPIO1[28] */
+ imx_iomux_v3_setup_pad(MX25_PAD_CSI_D3__GPIO_1_28); /* USB Power */
gpio_direction_output(IMX_GPIO_NR(1, 28), 1);
- writel(gpio_mux_mode5, &muxctl->pad_csi_d2); /* USB OC GPIO1[27] */
+ imx_iomux_v3_setup_pad(MX25_PAD_CSI_D2__GPIO_1_27); /* USB OC */
gpio_direction_input(IMX_GPIO_NR(1, 18));
/* Setup of digital output control pins */
- writel(gpio_mux_mode5, &muxctl->pad_csi_d8); /* Ouput 1 Ctrl GPIO1[7] */
- writel(gpio_mux_mode5, &muxctl->pad_csi_d7); /* Ouput 2 Ctrl GPIO1[6] */
- writel(gpio_mux_mode5, &muxctl->pad_csi_d6); /* Ouput 1 Stat GPIO1[31]*/
- writel(gpio_mux_mode5, &muxctl->pad_csi_d5); /* Ouput 2 Stat GPIO1[30]*/
-
- writel(0, &padctl->pad_csi_d6); /* Ouput 1 Stat pull up off */
- writel(0, &padctl->pad_csi_d5); /* Ouput 2 Stat pull up off */
+ imx_iomux_v3_setup_multiple_pads(dig_out_pads,
+ ARRAY_SIZE(dig_out_pads));
/* Switch both output drivers off */
gpio_direction_output(IMX_GPIO_NR(1, 7), 0);
gpio_direction_output(IMX_GPIO_NR(1, 6), 0);
- /* Setup of key input pin GPIO2[29]*/
- writel(gpio_mux_mode5 | MX25_PIN_MUX_SION, &muxctl->pad_kpp_row0);
- writel(0, &padctl->pad_kpp_row0); /* Key pull up off */
+ /* Setup of key input pin */
+ imx_iomux_v3_setup_pad(NEW_PAD_CTRL(MX25_PAD_KPP_ROW0__GPIO_2_29, 0));
gpio_direction_input(IMX_GPIO_NR(2, 29));
/* Setup of status LED outputs */
- writel(gpio_mux_mode5, &muxctl->pad_csi_d9); /* GPIO4[21] */
- writel(gpio_mux_mode5, &muxctl->pad_csi_d4); /* GPIO1[29] */
+ imx_iomux_v3_setup_multiple_pads(led_pads, ARRAY_SIZE(led_pads));
/* Switch both LEDs off */
gpio_direction_output(IMX_GPIO_NR(4, 21), 0);
gpio_direction_output(IMX_GPIO_NR(1, 29), 0);
/* Setup of CAN1 and CAN2 signals */
- writel(gpio_mux_mode6, &muxctl->pad_gpio_a); /* CAN1 TX */
- writel(gpio_mux_mode6, &muxctl->pad_gpio_b); /* CAN1 RX */
- writel(gpio_mux_mode6, &muxctl->pad_gpio_c); /* CAN2 TX */
- writel(gpio_mux_mode6, &muxctl->pad_gpio_d); /* CAN2 RX */
-
- /* Setup of input daisy chains for CAN signals*/
- writel(input_select1, &inputselect->can1_ipp_ind_canrx); /* CAN1 RX */
- writel(input_select1, &inputselect->can2_ipp_ind_canrx); /* CAN2 RX */
+ imx_iomux_v3_setup_multiple_pads(can_pads, ARRAY_SIZE(can_pads));
/* Setup of I2C3 signals */
- writel(gpio_mux_mode1, &muxctl->pad_cspi1_ss1); /* I2C3 SDA */
- writel(gpio_mux_mode1, &muxctl->pad_gpio_e); /* I2C3 SCL */
-
- /* Setup of input daisy chains for I2C3 signals*/
- writel(input_select1, &inputselect->i2c3_ipp_sda_in); /* I2C3 SDA */
- writel(input_select2, &inputselect->i2c3_ipp_scl_in); /* I2C3 SCL */
+ imx_iomux_v3_setup_multiple_pads(i2c3_pads, ARRAY_SIZE(i2c3_pads));
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
@@ -128,25 +122,32 @@ int board_late_init(void)
const char *e;
#ifdef CONFIG_FEC_MXC
- struct iomuxc_mux_ctl *muxctl;
- u32 gpio_mux_mode2 = MX25_PIN_MUX_MODE(2);
- u32 gpio_mux_mode5 = MX25_PIN_MUX_MODE(5);
-
- /*
- * fec pin init is generic
- */
- mx25_fec_init_pins();
-
- /*
- * Set up LAN-RESET and FEC_RX_ERR
- *
- * LAN-RESET: GPIO3[16] is ALT 5 mode of pin U20
- * FEC_RX_ERR: FEC_RX_ERR is ALT 2 mode of pin R2
- */
- muxctl = (struct iomuxc_mux_ctl *)IMX_IOPADMUX_BASE;
-
- writel(gpio_mux_mode5, &muxctl->pad_upll_bypclk);
- writel(gpio_mux_mode2, &muxctl->pad_uart2_cts);
+/*
+ * FIXME: need to revisit this
+ * The original code enabled PUE and 100-k pull-down without PKE, so the right
+ * value here is likely:
+ * 0 for no pull
+ * or:
+ * PAD_CTL_PUS_100K_DOWN for 100-k pull-down
+ */
+#define FEC_OUT_PAD_CTRL 0
+
+ static const iomux_v3_cfg_t fec_pads[] = {
+ MX25_PAD_FEC_TX_CLK__FEC_TX_CLK,
+ MX25_PAD_FEC_RX_DV__FEC_RX_DV,
+ MX25_PAD_FEC_RDATA0__FEC_RDATA0,
+ NEW_PAD_CTRL(MX25_PAD_FEC_TDATA0__FEC_TDATA0, FEC_OUT_PAD_CTRL),
+ NEW_PAD_CTRL(MX25_PAD_FEC_TX_EN__FEC_TX_EN, FEC_OUT_PAD_CTRL),
+ NEW_PAD_CTRL(MX25_PAD_FEC_MDC__FEC_MDC, FEC_OUT_PAD_CTRL),
+ MX25_PAD_FEC_MDIO__FEC_MDIO,
+ MX25_PAD_FEC_RDATA1__FEC_RDATA1,
+ NEW_PAD_CTRL(MX25_PAD_FEC_TDATA1__FEC_TDATA1, FEC_OUT_PAD_CTRL),
+
+ MX25_PAD_UPLL_BYPCLK__GPIO_3_16, /* LAN-RESET */
+ MX25_PAD_UART2_CTS__FEC_RX_ER, /* FEC_RX_ERR */
+ };
+
+ imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
/* assert PHY reset (low) */
gpio_direction_output(IMX_GPIO_NR(3, 16), 0);
--
1.7.10.4
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