2 * Copyright (C) 2015 Technexion Ltd.
4 * Author: Richard Hu <richard.hu@technexion.com>
6 * SPDX-License-Identifier: GPL-2.0+
9 #include <asm/arch/clock.h>
10 #include <asm/arch/iomux.h>
11 #include <asm/arch/imx-regs.h>
12 #include <asm/arch/crm_regs.h>
13 #include <asm/arch/mx6-pins.h>
14 #include <asm/arch/sys_proto.h>
16 #include <asm/imx-common/iomux-v3.h>
19 #include <fsl_esdhc.h>
20 #include <linux/sizes.h>
23 DECLARE_GLOBAL_DATA_PTR
;
25 #define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
26 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
27 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
29 #define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
30 PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \
31 PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
33 #define OTG_ID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
34 PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \
35 PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
39 gd
->ram_size
= imx_ddr_size();
44 static iomux_v3_cfg_t
const uart6_pads
[] = {
45 MX6_PAD_CSI_MCLK__UART6_DCE_TX
| MUX_PAD_CTRL(UART_PAD_CTRL
),
46 MX6_PAD_CSI_PIXCLK__UART6_DCE_RX
| MUX_PAD_CTRL(UART_PAD_CTRL
),
49 static iomux_v3_cfg_t
const usdhc1_pads
[] = {
50 MX6_PAD_SD1_CLK__USDHC1_CLK
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
51 MX6_PAD_SD1_CMD__USDHC1_CMD
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
52 MX6_PAD_SD1_DATA0__USDHC1_DATA0
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
53 MX6_PAD_SD1_DATA1__USDHC1_DATA1
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
54 MX6_PAD_SD1_DATA2__USDHC1_DATA2
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
55 MX6_PAD_SD1_DATA3__USDHC1_DATA3
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
56 MX6_PAD_NAND_READY_B__USDHC1_DATA4
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
57 MX6_PAD_NAND_CE0_B__USDHC1_DATA5
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
58 MX6_PAD_NAND_CE1_B__USDHC1_DATA6
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
59 MX6_PAD_NAND_CLE__USDHC1_DATA7
| MUX_PAD_CTRL(USDHC_PAD_CTRL
),
62 static iomux_v3_cfg_t
const usb_otg_pad
[] = {
63 MX6_PAD_GPIO1_IO00__ANATOP_OTG1_ID
| MUX_PAD_CTRL(OTG_ID_PAD_CTRL
),
66 static void setup_iomux_uart(void)
68 imx_iomux_v3_setup_multiple_pads(uart6_pads
, ARRAY_SIZE(uart6_pads
));
71 static void setup_usb(void)
73 imx_iomux_v3_setup_multiple_pads(usb_otg_pad
, ARRAY_SIZE(usb_otg_pad
));
76 static struct fsl_esdhc_cfg usdhc_cfg
[1] = {
80 int board_mmc_getcd(struct mmc
*mmc
)
85 int board_mmc_init(bd_t
*bis
)
87 imx_iomux_v3_setup_multiple_pads(usdhc1_pads
, ARRAY_SIZE(usdhc1_pads
));
88 usdhc_cfg
[0].sdhc_clk
= mxc_get_clock(MXC_ESDHC_CLK
);
89 return fsl_esdhc_initialize(bis
, &usdhc_cfg
[0]);
92 int board_early_init_f(void)
99 int board_usb_phy_mode(int port
)
101 return USB_INIT_DEVICE
;
106 /* Address of boot parameters */
107 gd
->bd
->bi_boot_params
= PHYS_SDRAM
+ 0x100;
116 puts("Board: PICO-IMX6UL-EMMC\n");