mirror of
https://github.com/u-boot/u-boot.git
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466a9ea2a1
Initial commit of Librem5 u-boot and SPL Signed-off-by: Angus Ainslie <angus@akkea.ca> Co-developed-by: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm> Signed-off-by: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm> Reviewed-by: Fabio Estevam <festevam@denx.de>
182 lines
6.1 KiB
C
182 lines
6.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright 2021 Purism
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*/
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#ifndef __LIBREM5_H__
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#define __LIBREM5_H__
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#define CAMERA_EN IMX_GPIO_NR(1, 0)
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#define SD_EN IMX_GPIO_NR(1, 3)
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#define AUDIO_EN IMX_GPIO_NR(1, 4)
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#define DSI_EN IMX_GPIO_NR(1, 5)
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#define SMC_EN IMX_GPIO_NR(1, 6)
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#define TYPEC_MUX_EN IMX_GPIO_NR(1, 11)
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#define HUB_NRESET IMX_GPIO_NR(1, 12)
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#define HUB_EN IMX_GPIO_NR(1, 14)
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#define VOL_UP IMX_GPIO_NR(1, 16)
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#define VOL_DOWN IMX_GPIO_NR(1, 17)
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#define DSI_BIAS_EN IMX_GPIO_NR(1, 20)
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#define FLASH_EN IMX_GPIO_NR(1, 23)
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#define WWAN_NRESET IMX_GPIO_NR(3, 1)
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#define CHG_EN IMX_GPIO_NR(3, 2)
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#define CHG_OTG_OUT_EN IMX_GPIO_NR(3, 4)
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#define WIFI_EN IMX_GPIO_NR(3, 10)
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#define GPS_EN IMX_GPIO_NR(3, 12)
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#define BL_EN IMX_GPIO_NR(3, 14)
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#define WWAN_EN IMX_GPIO_NR(3, 18)
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#define NFC_EN IMX_GPIO_NR(4, 28)
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#define LED_G IMX_GPIO_NR(5, 2)
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#define LED_R IMX_GPIO_NR(5, 3)
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#define LED_B IMX_GPIO_NR(1, 13)
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#define MOTO IMX_GPIO_NR(5, 5)
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#define SPI1_SCLK IMX_GPIO_NR(5, 6)
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#define SPI1_MOSI IMX_GPIO_NR(5, 7)
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#define SPI1_MISO IMX_GPIO_NR(5, 8)
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#define SPI1_SS0 IMX_GPIO_NR(5, 9)
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#define UART1_TX IMX_GPIO_NR(5, 23)
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#define UART1_RX IMX_GPIO_NR(5, 22)
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#define UART2_TX IMX_GPIO_NR(5, 25)
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#define UART2_RX IMX_GPIO_NR(5, 24)
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#define UART3_TX IMX_GPIO_NR(5, 27)
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#define UART3_RX IMX_GPIO_NR(5, 26)
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#define UART4_TX IMX_GPIO_NR(5, 11)
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#define UART4_RX IMX_GPIO_NR(5, 10)
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#define TPS_RESET IMX_GPIO_NR(3, 24)
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#define PURISM_VID 0x316d
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#define PURISM_PID 0x4c05
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#define BOARD_REV_ERROR "unknown"
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#define BOARD_REV_BIRCH "1"
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#define BOARD_REV_CHESTNUT "2"
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#define BOARD_REV_DOGWOOD "3"
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#define BOARD_REV_EVERGREEN "4"
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/* Could be ASPEN, BIRCH or CHESTNUT. assume CHESTNUT */
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#define BOARD_REV_UNKNOWN BOARD_REV_CHESTNUT
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#ifdef CONFIG_SPL_BUILD
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static const iomux_v3_cfg_t configure_pads[] = {
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IMX8MQ_PAD_GPIO1_IO00__GPIO1_IO0 | MUX_PAD_CTRL(PAD_CTL_DSE6),
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IMX8MQ_PAD_GPIO1_IO03__GPIO1_IO3 | MUX_PAD_CTRL(PAD_CTL_DSE6) | MUX_MODE_SION,
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IMX8MQ_PAD_GPIO1_IO04__GPIO1_IO4 | MUX_PAD_CTRL(PAD_CTL_DSE6),
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IMX8MQ_PAD_GPIO1_IO05__GPIO1_IO5 | MUX_PAD_CTRL(PAD_CTL_DSE6) | MUX_MODE_SION,
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IMX8MQ_PAD_GPIO1_IO06__GPIO1_IO6 | MUX_PAD_CTRL(PAD_CTL_DSE6),
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IMX8MQ_PAD_GPIO1_IO11__GPIO1_IO11 | MUX_PAD_CTRL(PAD_CTL_DSE6),
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IMX8MQ_PAD_GPIO1_IO12__GPIO1_IO12 | MUX_PAD_CTRL(PAD_CTL_DSE6) | MUX_MODE_SION,
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IMX8MQ_PAD_GPIO1_IO13__GPIO1_IO13 | MUX_PAD_CTRL(PAD_CTL_DSE6) | MUX_MODE_SION,
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IMX8MQ_PAD_GPIO1_IO14__GPIO1_IO14 | MUX_PAD_CTRL(PAD_CTL_DSE6) | MUX_MODE_SION,
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IMX8MQ_PAD_ENET_MDC__GPIO1_IO16 | MUX_PAD_CTRL(PAD_CTL_PUE),
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IMX8MQ_PAD_ENET_MDIO__GPIO1_IO17 | MUX_PAD_CTRL(PAD_CTL_PUE),
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IMX8MQ_PAD_ENET_TD1__GPIO1_IO20 | MUX_PAD_CTRL(PAD_CTL_DSE6),
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IMX8MQ_PAD_ENET_TXC__GPIO1_IO23 | MUX_PAD_CTRL(PAD_CTL_DSE6),
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IMX8MQ_PAD_NAND_CE0_B__GPIO3_IO1 | MUX_PAD_CTRL(PAD_CTL_DSE6),
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IMX8MQ_PAD_NAND_CE1_B__GPIO3_IO2 | MUX_PAD_CTRL(PAD_CTL_DSE6),
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IMX8MQ_PAD_NAND_CE3_B__GPIO3_IO4 | MUX_PAD_CTRL(PAD_CTL_DSE6),
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IMX8MQ_PAD_NAND_DATA04__GPIO3_IO10 | MUX_PAD_CTRL(PAD_CTL_DSE6),
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IMX8MQ_PAD_NAND_DATA06__GPIO3_IO12 | MUX_PAD_CTRL(PAD_CTL_DSE6),
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IMX8MQ_PAD_NAND_DQS__GPIO3_IO14 | MUX_PAD_CTRL(PAD_CTL_DSE6),
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IMX8MQ_PAD_NAND_WP_B__GPIO3_IO18 | MUX_PAD_CTRL(PAD_CTL_DSE6),
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IMX8MQ_PAD_SAI3_RXFS__GPIO4_IO28 | MUX_PAD_CTRL(PAD_CTL_DSE6),
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IMX8MQ_PAD_SAI3_MCLK__GPIO5_IO2 | MUX_PAD_CTRL(PAD_CTL_DSE6) | MUX_MODE_SION,
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IMX8MQ_PAD_SPDIF_TX__GPIO5_IO3 | MUX_PAD_CTRL(PAD_CTL_DSE6) | MUX_MODE_SION,
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IMX8MQ_PAD_SAI5_RXD3__GPIO3_IO24 | MUX_PAD_CTRL(PAD_CTL_DSE6) | MUX_MODE_SION,
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};
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static inline void init_pinmux(void)
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{
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imx_iomux_v3_setup_multiple_pads(configure_pads, ARRAY_SIZE(configure_pads));
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gpio_request(LED_R, "LED_R");
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gpio_request(LED_G, "LED_G");
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gpio_request(LED_B, "LED_B");
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gpio_request(VOL_UP, "VOL_UP");
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gpio_request(VOL_DOWN, "VOL_DOWN");
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gpio_request(NFC_EN, "NFC_EN");
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gpio_request(CHG_EN, "CHG_EN");
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gpio_request(CHG_OTG_OUT_EN, "CHG_OTG_OUT_EN");
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gpio_request(TYPEC_MUX_EN, "TYPEC_MUX_EN");
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gpio_request(TPS_RESET, "TPS_RESET");
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gpio_request(WWAN_EN, "WWAN_EN");
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gpio_request(WWAN_NRESET, "WWAN_NRESET");
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gpio_request(HUB_EN, "HUB_EN");
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gpio_request(HUB_NRESET, "HUB_NRESET");
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gpio_request(SD_EN, "SD_EN");
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gpio_request(AUDIO_EN, "AUDIO_EN");
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gpio_request(DSI_EN, "DSI_EN");
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gpio_request(SMC_EN, "SMC_EN");
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gpio_request(CAMERA_EN, "CAMERA_EN");
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gpio_request(FLASH_EN, "FLASH_EN");
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gpio_request(DSI_BIAS_EN, "DSI_BIAS_EN");
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gpio_request(GPS_EN, "GPS_EN");
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gpio_request(BL_EN, "BL_EN");
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#ifndef CONSOLE_ON_UART4
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gpio_request(WIFI_EN, "WIFI_EN");
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gpio_direction_output(WIFI_EN, 0);
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#endif /* CONSOLE_ON_UART4 */
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gpio_direction_input(VOL_UP);
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gpio_direction_input(VOL_DOWN);
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/* ensure charger is in the automated mode */
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gpio_direction_output(NFC_EN, 0);
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gpio_direction_output(CHG_EN, 0);
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gpio_direction_output(CHG_OTG_OUT_EN, 0);
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gpio_direction_input(TYPEC_MUX_EN);
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gpio_direction_output(TPS_RESET, 0);
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gpio_direction_output(WWAN_EN, 0);
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gpio_direction_output(WWAN_NRESET, 1);
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gpio_direction_output(HUB_EN, 1);
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gpio_direction_output(HUB_NRESET, 1);
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mdelay(10);
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gpio_direction_output(SD_EN, 1);
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gpio_direction_output(SMC_EN, 0);
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gpio_direction_output(CAMERA_EN, 0);
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gpio_direction_output(FLASH_EN, 0);
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gpio_direction_output(DSI_BIAS_EN, 0);
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gpio_direction_output(GPS_EN, 0);
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gpio_direction_output(BL_EN, 0);
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/* turn these on for i2c busses */
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gpio_direction_output(AUDIO_EN, 1);
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gpio_direction_output(DSI_EN, 1);
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}
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#endif /* CONFIG_SPL_BUILD */
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#define USB1_BASE_ADDR 0x38100000
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#define USB2_BASE_ADDR 0x38200000
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#define USB1_PHY_BASE_ADDR 0x381F0000
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#define USB2_PHY_BASE_ADDR 0x382F0000
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#define USB_PHY_CTRL0 0xF0040
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#define USB_PHY_CTRL0_REF_SSP_EN BIT(2)
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#define USB_PHY_CTRL0_SSC_RANGE_MASK GENMASK(23, 21)
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#define USB_PHY_CTRL0_SSC_RANGE_4003PPM (0x2 << 21)
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#define USB_PHY_CTRL1 0xF0044
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#define USB_PHY_CTRL1_RESET BIT(0)
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#define USB_PHY_CTRL1_COMMONONN BIT(1)
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#define USB_PHY_CTRL1_ATERESET BIT(3)
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#define USB_PHY_CTRL1_VDATSRCENB0 BIT(19)
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#define USB_PHY_CTRL1_VDATDETENB0 BIT(20)
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#define USB_PHY_CTRL2 0xF0048
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#define USB_PHY_CTRL2_TXENABLEN0 BIT(8)
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#define USB_PHY_CTRL6 0x18
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#define USB_PHY_CTRL6_RXTERM_OVERRIDE_SEL BIT(29)
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extern struct dram_timing_info dram_timing_b0;
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#endif
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