There is no change of behavior, even if some pad control values could probably be simplified.
Signed-off-by: Benoît Thébaudeau benoit.thebaudeau@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);