diff options
author | Lukasz Majewski | 2017-10-31 17:58:05 +0100 |
---|---|---|
committer | Stefano Babic | 2017-11-09 11:32:49 +0100 |
commit | a3eec24ad382090097b206a4d4e5f01435e9aca5 (patch) | |
tree | e8877629b53431c9e34c0b4d71ba97a0e9773ad2 /board/liebherr | |
parent | ec1b26973cad9398104e740f96c36ef0a11d301d (diff) |
imx:display5: Add support for LWN's DISPLAY5 board
This commit provides support for LWN's IMX6Q based DISPLAY5 board.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Diffstat (limited to 'board/liebherr')
-rw-r--r-- | board/liebherr/display5/Kconfig | 18 | ||||
-rw-r--r-- | board/liebherr/display5/MAINTAINERS | 7 | ||||
-rw-r--r-- | board/liebherr/display5/Makefile | 11 | ||||
-rw-r--r-- | board/liebherr/display5/common.c | 111 | ||||
-rw-r--r-- | board/liebherr/display5/common.h | 42 | ||||
-rw-r--r-- | board/liebherr/display5/display5.c | 384 | ||||
-rw-r--r-- | board/liebherr/display5/spl.c | 247 |
7 files changed, 820 insertions, 0 deletions
diff --git a/board/liebherr/display5/Kconfig b/board/liebherr/display5/Kconfig new file mode 100644 index 00000000000..b096c8917a8 --- /dev/null +++ b/board/liebherr/display5/Kconfig @@ -0,0 +1,18 @@ +if TARGET_DISPLAY5 + +config SYS_CPU + default "armv7" + +config SYS_BOARD + default "display5" + +config SYS_VENDOR + default "liebherr" + +config SYS_SOC + default "mx6" + +config SYS_CONFIG_NAME + default "display5" + +endif diff --git a/board/liebherr/display5/MAINTAINERS b/board/liebherr/display5/MAINTAINERS new file mode 100644 index 00000000000..52178318b59 --- /dev/null +++ b/board/liebherr/display5/MAINTAINERS @@ -0,0 +1,7 @@ +DISPLAY5 BOARD +M: Lukasz Majewski <lukma@denx.de> +S: Maintained +F: board/liebherr/display5/ +F: include/configs/display5.h +F: configs/display5_defconfig +F: configs/display5_factory_defconfig diff --git a/board/liebherr/display5/Makefile b/board/liebherr/display5/Makefile new file mode 100644 index 00000000000..f934672428a --- /dev/null +++ b/board/liebherr/display5/Makefile @@ -0,0 +1,11 @@ +# +# Copyright (C) 2017, DENX Software Engineering +# Lukasz Majewski <lukma@denx.de> +# +# SPDX-License-Identifier: GPL-2.0+ +# +ifdef CONFIG_SPL_BUILD +obj-y = common.o spl.o +else +obj-y := common.o display5.o +endif diff --git a/board/liebherr/display5/common.c b/board/liebherr/display5/common.c new file mode 100644 index 00000000000..03f585b3aa4 --- /dev/null +++ b/board/liebherr/display5/common.c @@ -0,0 +1,111 @@ +/* + * Copyright (C) 2017 DENX Software Engineering + * Lukasz Majewski, DENX Software Engineering, lukma@denx.de + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm/mach-imx/iomux-v3.h> +#include <asm/arch/mx6-pins.h> +#include "common.h" + +iomux_v3_cfg_t const uart_pads[] = { + /* UART4 */ + MX6_PAD_CSI0_DAT12__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_CSI0_DAT13__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_CSI0_DAT16__UART4_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_CSI0_DAT17__UART4_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +iomux_v3_cfg_t const uart_console_pads[] = { + /* UART5 */ + MX6_PAD_CSI0_DAT14__UART5_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_CSI0_DAT15__UART5_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_CSI0_DAT18__UART5_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_CSI0_DAT19__UART5_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +void displ5_set_iomux_uart_spl(void) +{ + SETUP_IOMUX_PADS(uart_console_pads); +} + +void displ5_set_iomux_uart(void) +{ + SETUP_IOMUX_PADS(uart_pads); +} + +#ifdef CONFIG_MXC_SPI +iomux_v3_cfg_t const ecspi_pads[] = { + /* SPI3 */ + MX6_PAD_DISP0_DAT2__ECSPI3_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX6_PAD_DISP0_DAT1__ECSPI3_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX6_PAD_DISP0_DAT0__ECSPI3_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX6_PAD_DISP0_DAT3__ECSPI3_SS0 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT4__ECSPI3_SS1 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT5__ECSPI3_SS2 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT6__ECSPI3_SS3 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT7__ECSPI3_RDY | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +iomux_v3_cfg_t const ecspi2_pads[] = { + /* SPI2, NOR Flash nWP, CS0 */ + MX6_PAD_CSI0_DAT10__ECSPI2_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX6_PAD_CSI0_DAT9__ECSPI2_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX6_PAD_CSI0_DAT8__ECSPI2_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX6_PAD_CSI0_DAT11__GPIO5_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_SD3_DAT5__GPIO7_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +int board_spi_cs_gpio(unsigned int bus, unsigned int cs) +{ + if (bus != 1 || cs != (IMX_GPIO_NR(5, 29) << 8)) + return -EINVAL; + + return IMX_GPIO_NR(5, 29); +} + +void displ5_set_iomux_ecspi_spl(void) +{ + SETUP_IOMUX_PADS(ecspi2_pads); +} + +void displ5_set_iomux_ecspi(void) +{ + SETUP_IOMUX_PADS(ecspi_pads); +} + +#else +void displ5_set_iomux_ecspi_spl(void) {} +void displ5_set_iomux_ecspi(void) {} +#endif + +#ifdef CONFIG_FSL_ESDHC +iomux_v3_cfg_t const usdhc4_pads[] = { + MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NANDF_ALE__SD4_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL), +}; + +void displ5_set_iomux_usdhc_spl(void) +{ + SETUP_IOMUX_PADS(usdhc4_pads); +} + +void displ5_set_iomux_usdhc(void) +{ + SETUP_IOMUX_PADS(usdhc4_pads); +} + +#else +void displ5_set_iomux_usdhc_spl(void) {} +void displ5_set_iomux_usdhc(void) {} +#endif diff --git a/board/liebherr/display5/common.h b/board/liebherr/display5/common.h new file mode 100644 index 00000000000..6019e90c611 --- /dev/null +++ b/board/liebherr/display5/common.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2017 DENX Software Engineering + * Lukasz Majewski, DENX Software Engineering, lukma@denx.de + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __DISPL5_COMMON_H_ +#define __DISPL5_COMMON_H_ + +#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \ + PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define ENET_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_HYS) + +#define SPI_PAD_CTRL (PAD_CTL_HYS | \ + PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) + +#define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ + PAD_CTL_ODE | PAD_CTL_SRE_FAST) + +#define ENET_PAD_CTRL_CLK ((PAD_CTL_PUS_100K_UP & ~PAD_CTL_PKE) | \ + PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) + +void displ5_set_iomux_uart_spl(void); +void displ5_set_iomux_uart(void); +void displ5_set_iomux_ecspi_spl(void); +void displ5_set_iomux_ecspi(void); +void displ5_set_iomux_usdhc_spl(void); +void displ5_set_iomux_usdhc(void); + +#endif /* __DISPL5_COMMON_H_ */ diff --git a/board/liebherr/display5/display5.c b/board/liebherr/display5/display5.c new file mode 100644 index 00000000000..5414ef77d3a --- /dev/null +++ b/board/liebherr/display5/display5.c @@ -0,0 +1,384 @@ +/* + * Copyright (C) 2017 DENX Software Engineering + * Lukasz Majewski, DENX Software Engineering, lukma@denx.de + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux.h> +#include <asm/arch/mx6-pins.h> +#include <asm/arch/mx6-ddr.h> +#include <asm/arch/sys_proto.h> +#include <errno.h> +#include <asm/gpio.h> +#include <malloc.h> +#include <asm/mach-imx/iomux-v3.h> +#include <asm/mach-imx/mxc_i2c.h> +#include <asm/mach-imx/boot_mode.h> +#include <asm/mach-imx/spi.h> +#include <mmc.h> +#include <fsl_esdhc.h> +#include <miiphy.h> +#include <netdev.h> +#include <i2c.h> + +#include <dm.h> +#include <dm/platform_data/serial_mxc.h> +#include <dm/platdata.h> + +#ifndef CONFIG_MXC_SPI +#error "CONFIG_SPI must be set for this board" +#error "Please check your config file" +#endif + +#include "common.h" + +DECLARE_GLOBAL_DATA_PTR; + +static bool hw_ids_valid; +static bool sw_ids_valid; +static u32 cpu_id; +static u32 unit_id; + +#define SW0 IMX_GPIO_NR(2, 4) +#define SW1 IMX_GPIO_NR(2, 5) +#define SW2 IMX_GPIO_NR(2, 6) +#define SW3 IMX_GPIO_NR(2, 7) +#define HW0 IMX_GPIO_NR(6, 7) +#define HW1 IMX_GPIO_NR(6, 9) +#define HW2 IMX_GPIO_NR(6, 10) +#define HW3 IMX_GPIO_NR(6, 11) +#define HW4 IMX_GPIO_NR(4, 7) +#define HW5 IMX_GPIO_NR(4, 11) +#define HW6 IMX_GPIO_NR(4, 13) +#define HW7 IMX_GPIO_NR(4, 15) + +int gpio_table_sw_ids[] = { + SW0, SW1, SW2, SW3 +}; + +const char *gpio_table_sw_ids_names[] = { + "sw0", "sw1", "sw2", "sw3" +}; + +int gpio_table_hw_ids[] = { + HW0, HW1, HW2, HW3, HW4, HW5, HW6, HW7 +}; + +const char *gpio_table_hw_ids_names[] = { + "hw0", "hw1", "hw2", "hw3", "hw4", "hw5", "hw6", "hw7" +}; + +static int get_board_id(int *ids, const char **c, int size, + bool *valid, u32 *id) +{ + int i, ret, val; + + *valid = false; + + for (i = 0; i < size; i++) { + ret = gpio_request(ids[i], c[i]); + if (ret) { + printf("Can't request SWx gpios\n"); + return ret; + } + } + + for (i = 0; i < size; i++) { + ret = gpio_direction_input(ids[i]); + if (ret) { + printf("Can't set SWx gpios direction\n"); + return ret; + } + } + + for (i = 0; i < size; i++) { + val = gpio_get_value(ids[i]); + if (val < 0) { + printf("Can't get SW%d ID\n", i); + *id = 0; + return val; + } + *id |= val << i; + } + *valid = true; + + return 0; +} + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + + return 0; +} + +#define PC MUX_PAD_CTRL(I2C_PAD_CTRL) +/* I2C1: TFA9879 */ +struct i2c_pads_info i2c_pad_info0 = { + .scl = { + .i2c_mode = MX6_PAD_EIM_D21__I2C1_SCL | PC, + .gpio_mode = MX6_PAD_EIM_D21__GPIO3_IO21 | PC, + .gp = IMX_GPIO_NR(3, 21) + }, + .sda = { + .i2c_mode = MX6_PAD_EIM_D28__I2C1_SDA | PC, + .gpio_mode = MX6_PAD_EIM_D28__GPIO3_IO28 | PC, + .gp = IMX_GPIO_NR(3, 28) + } +}; + +/* I2C2: TIVO TM4C123 */ +struct i2c_pads_info i2c_pad_info1 = { + .scl = { + .i2c_mode = MX6_PAD_EIM_EB2__I2C2_SCL | PC, + .gpio_mode = MX6_PAD_EIM_EB2__GPIO2_IO30 | PC, + .gp = IMX_GPIO_NR(2, 30) + }, + .sda = { + .i2c_mode = MX6_PAD_EIM_D16__I2C2_SDA | PC, + .gpio_mode = MX6_PAD_EIM_D16__GPIO3_IO16 | PC, + .gp = IMX_GPIO_NR(3, 16) + } +}; + +/* I2C3: PMIC PF0100, EEPROM AT24C256C */ +struct i2c_pads_info i2c_pad_info2 = { + .scl = { + .i2c_mode = MX6_PAD_EIM_D17__I2C3_SCL | PC, + .gpio_mode = MX6_PAD_EIM_D17__GPIO3_IO17 | PC, + .gp = IMX_GPIO_NR(3, 17) + }, + .sda = { + .i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC, + .gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | PC, + .gp = IMX_GPIO_NR(3, 18) + } +}; + +iomux_v3_cfg_t const misc_pads[] = { + /* Prod ID GPIO pins */ + MX6_PAD_NANDF_D4__GPIO2_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_D5__GPIO2_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_D6__GPIO2_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_D7__GPIO2_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL), + + /* HW revision GPIO pins */ + MX6_PAD_NANDF_CLE__GPIO6_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_WP_B__GPIO6_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_RB0__GPIO6_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_KEY_ROW0__GPIO4_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_KEY_ROW2__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_KEY_ROW3__GPIO4_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL), + + /* XTALOSC */ + MX6_PAD_GPIO_3__XTALOSC_REF_CLK_24M | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +#ifdef CONFIG_FSL_ESDHC +struct fsl_esdhc_cfg usdhc_cfg[1] = { + { USDHC4_BASE_ADDR, 0, 8, }, +}; + +int board_mmc_getcd(struct mmc *mmc) +{ + return 1; +} + +int board_mmc_init(bd_t *bis) +{ + displ5_set_iomux_usdhc(); + + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); + + return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); +} +#endif /* CONFIG_FSL_ESDHC */ + +static void displ5_setup_ecspi(void) +{ + int ret; + + displ5_set_iomux_ecspi(); + + ret = gpio_request(IMX_GPIO_NR(5, 29), "spi2_cs0"); + if (!ret) + gpio_direction_output(IMX_GPIO_NR(5, 29), 1); + + ret = gpio_request(IMX_GPIO_NR(7, 0), "spi2_#wp"); + if (!ret) + gpio_direction_output(IMX_GPIO_NR(7, 0), 1); +} + +#ifdef CONFIG_FEC_MXC +iomux_v3_cfg_t const enet_pads[] = { + MX6_PAD_ENET_TXD1__ENET_1588_EVENT0_IN | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_RXD1__ENET_1588_EVENT3_OUT | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL), + + /* for old evalboard with R159 present and R160 not populated */ + MX6_PAD_GPIO_16__ENET_REF_CLK | MUX_PAD_CTRL(NO_PAD_CTRL), + + MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), + + MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), + /*INT#_GBE*/ + MX6_PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static void setup_iomux_enet(void) +{ + SETUP_IOMUX_PADS(enet_pads); + gpio_direction_input(IMX_GPIO_NR(1, 28)); /*INT#_GBE*/ +} + +int board_eth_init(bd_t *bd) +{ + struct phy_device *phydev; + struct mii_dev *bus; + int ret; + + setup_iomux_enet(); + + iomuxc_set_rgmii_io_voltage(DDR_SEL_1P5V_IO); + + ret = enable_fec_anatop_clock(0, ENET_125MHZ); + if (ret) + return ret; + + bus = fec_get_miibus(IMX_FEC_BASE, -1); + if (!bus) + return -ENODEV; + + /* + * We use here the "rgmii-id" mode of operation and allow M88E1512 + * PHY to use its internally callibrated RX/TX delays + */ + phydev = phy_find_by_mask(bus, 0xffffffff /* (0xf << 4) */, + PHY_INTERFACE_MODE_RGMII_ID); + if (!phydev) { + ret = -ENODEV; + goto err_phy; + } + + /* display5 due to PCB routing can only work with 100 Mbps */ + phydev->advertising &= ~(ADVERTISED_1000baseX_Half | + ADVERTISED_1000baseX_Full | + SUPPORTED_1000baseT_Half | + SUPPORTED_1000baseT_Full); + + ret = fec_probe(bd, -1, IMX_FEC_BASE, bus, phydev); + if (ret) + goto err_sw; + + return 0; + +err_sw: + free(phydev); +err_phy: + mdio_unregister(bus); + free(bus); + return ret; +} +#endif /* CONFIG_FEC_MXC */ + +/* + * Do not overwrite the console + * Always use serial for U-Boot console + */ +int overwrite_console(void) +{ + return 1; +} + +#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) +int ft_board_setup(void *blob, bd_t *bd) +{ + fdt_fixup_ethernet(blob); + return 0; +} +#endif + +int board_init(void) +{ + debug("board init\n"); + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + /* Setup iomux for non console UARTS */ + displ5_set_iomux_uart(); + + displ5_setup_ecspi(); + + SETUP_IOMUX_PADS(misc_pads); + + get_board_id(gpio_table_sw_ids, &gpio_table_sw_ids_names[0], + ARRAY_SIZE(gpio_table_sw_ids), &sw_ids_valid, &unit_id); + debug("SWx unit_id 0x%x\n", unit_id); + + get_board_id(gpio_table_hw_ids, &gpio_table_hw_ids_names[0], + ARRAY_SIZE(gpio_table_hw_ids), &hw_ids_valid, &cpu_id); + debug("HWx cpu_id 0x%x\n", cpu_id); + + if (hw_ids_valid && sw_ids_valid) + printf("ID: unit type 0x%x rev 0x%x\n", unit_id, cpu_id); + + udelay(25); + + setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info0); + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); + setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); + + return 0; +} + +#ifdef CONFIG_CMD_BMODE +static const struct boot_mode board_boot_modes[] = { + /* eMMC, USDHC-4, 8-bit bus width */ + /* SPI-NOR, ECSPI-2 SS0, 3-bytes addressing */ + {"emmc", MAKE_CFGVAL(0x60, 0x58, 0x00, 0x00)}, + {"spinor", MAKE_CFGVAL(0x30, 0x00, 0x00, 0x09)}, + {NULL, 0}, +}; + +static void setup_boot_modes(void) +{ + add_board_boot_modes(board_boot_modes); +} +#else +static inline void setup_boot_modes(void) {} +#endif + +int misc_init_r(void) +{ + setup_boot_modes(); + return 0; +} + +static struct mxc_serial_platdata mxc_serial_plat = { + .reg = (struct mxc_uart *)UART5_BASE, +}; + +U_BOOT_DEVICE(mxc_serial) = { + .name = "serial_mxc", + .platdata = &mxc_serial_plat, +}; diff --git a/board/liebherr/display5/spl.c b/board/liebherr/display5/spl.c new file mode 100644 index 00000000000..0a36e656c01 --- /dev/null +++ b/board/liebherr/display5/spl.c @@ -0,0 +1,247 @@ +/* + * Copyright (C) 2017 DENX Software Engineering + * Lukasz Majewski, DENX Software Engineering, lukma@denx.de + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <spl.h> +#include <libfdt.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/mx6-ddr.h> +#include <asm/arch/mx6-pins.h> +#include "asm/arch/crm_regs.h" +#include <asm/arch/sys_proto.h> +#include <asm/arch/imx-regs.h> +#include "asm/arch/iomux.h" +#include <asm/mach-imx/iomux-v3.h> +#include <environment.h> +#include <fsl_esdhc.h> +#include <netdev.h> +#include "common.h" + +DECLARE_GLOBAL_DATA_PTR; + +static const struct mx6dq_iomux_ddr_regs mx6_ddr_ioregs = { + .dram_sdclk_0 = 0x00000030, + .dram_sdclk_1 = 0x00000030, + .dram_cas = 0x00000030, + .dram_ras = 0x00000030, + .dram_reset = 0x00000030, + .dram_sdcke0 = 0x00003000, + .dram_sdcke1 = 0x00003000, + .dram_sdba2 = 0x00000000, + .dram_sdodt0 = 0x00000030, + .dram_sdodt1 = 0x00000030, + + .dram_sdqs0 = 0x00000030, + .dram_sdqs1 = 0x00000030, + .dram_sdqs2 = 0x00000030, + .dram_sdqs3 = 0x00000030, + .dram_sdqs4 = 0x00000030, + .dram_sdqs5 = 0x00000030, + .dram_sdqs6 = 0x00000030, + .dram_sdqs7 = 0x00000030, + + .dram_dqm0 = 0x00000030, + .dram_dqm1 = 0x00000030, + .dram_dqm2 = 0x00000030, + .dram_dqm3 = 0x00000030, + .dram_dqm4 = 0x00000030, + .dram_dqm5 = 0x00000030, + .dram_dqm6 = 0x00000030, + .dram_dqm7 = 0x00000030, +}; + +static const struct mx6dq_iomux_grp_regs mx6_grp_ioregs = { + .grp_ddr_type = 0x000c0000, + .grp_ddrmode_ctl = 0x00020000, + .grp_ddrpke = 0x00000000, + .grp_addds = 0x00000030, + .grp_ctlds = 0x00000030, + .grp_ddrmode = 0x00020000, + .grp_b0ds = 0x00000030, + .grp_b1ds = 0x00000030, + .grp_b2ds = 0x00000030, + .grp_b3ds = 0x00000030, + .grp_b4ds = 0x00000030, + .grp_b5ds = 0x00000030, + .grp_b6ds = 0x00000030, + .grp_b7ds = 0x00000030, +}; + +/* 4x128Mx16.cfg */ +static const struct mx6_mmdc_calibration mx6_4x256mx16_mmdc_calib = { + .p0_mpwldectrl0 = 0x002D0028, + .p0_mpwldectrl1 = 0x0032002D, + .p1_mpwldectrl0 = 0x00210036, + .p1_mpwldectrl1 = 0x0019002E, + .p0_mpdgctrl0 = 0x4349035C, + .p0_mpdgctrl1 = 0x0348033D, + .p1_mpdgctrl0 = 0x43550362, + .p1_mpdgctrl1 = 0x03520316, + .p0_mprddlctl = 0x41393940, + .p1_mprddlctl = 0x3F3A3C47, + .p0_mpwrdlctl = 0x413A423A, + .p1_mpwrdlctl = 0x4042483E, +}; + +/* MT41K128M16JT-125 (2Gb density) */ +static const struct mx6_ddr3_cfg mt41k128m16jt_125 = { + .mem_speed = 1600, + .density = 2, + .width = 16, + .banks = 8, + .rowaddr = 14, + .coladdr = 10, + .pagesz = 2, + .trcd = 1375, + .trcmin = 4875, + .trasmin = 3500, +}; + +static void ccgr_init(void) +{ + struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + + writel(0x00C03F3F, &ccm->CCGR0); + writel(0x0030FC3F, &ccm->CCGR1); + writel(0x0FFFCFC0, &ccm->CCGR2); + writel(0x3FF00000, &ccm->CCGR3); + writel(0x00FFF300, &ccm->CCGR4); + writel(0x0F0000C3, &ccm->CCGR5); + writel(0x000003FF, &ccm->CCGR6); +} + +static void spl_dram_init(void) +{ + struct mx6_ddr_sysinfo sysinfo = { + /* width of data bus:0=16,1=32,2=64 */ + .dsize = 2, + /* config for full 4GB range so that get_mem_size() works */ + .cs_density = 32, /* 32Gb per CS */ + /* single chip select */ + .ncs = 1, + .cs1_mirror = 0, + .rtt_wr = 1 /*DDR3_RTT_60_OHM*/, /* RTT_Wr = RZQ/4 */ + .rtt_nom = 2 /*DDR3_RTT_120_OHM*/, /* RTT_Nom = RZQ/2 */ + .walat = 1, /* Write additional latency */ + .ralat = 5, /* Read additional latency */ + .mif3_mode = 3, /* Command prediction working mode */ + .bi_on = 1, /* Bank interleaving enabled */ + .sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */ + .rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */ + .pd_fast_exit = 1, /* enable precharge power-down fast exit */ + .ddr_type = DDR_TYPE_DDR3, + .refsel = 1, /* Refresh cycles at 32KHz */ + .refr = 7, /* 8 refresh commands per refresh cycle */ + }; + + mx6dq_dram_iocfg(64, &mx6_ddr_ioregs, &mx6_grp_ioregs); + mx6_dram_cfg(&sysinfo, &mx6_4x256mx16_mmdc_calib, &mt41k128m16jt_125); +} + +#ifdef CONFIG_SPL_SPI_SUPPORT +static void displ5_init_ecspi(void) +{ + displ5_set_iomux_ecspi_spl(); + enable_spi_clk(1, 1); +} +#else +static inline void displ5_init_ecspi(void) { } +#endif + +#ifdef CONFIG_SPL_MMC_SUPPORT +static struct fsl_esdhc_cfg usdhc_cfg = { + .esdhc_base = USDHC4_BASE_ADDR, + .max_bus_width = 8, +}; + +int board_mmc_init(bd_t *bd) +{ + displ5_set_iomux_usdhc_spl(); + + usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); + gd->arch.sdhc_clk = usdhc_cfg.sdhc_clk; + + return fsl_esdhc_initialize(bd, &usdhc_cfg); +} +#endif + +void board_init_f(ulong dummy) +{ + ccgr_init(); + + arch_cpu_init(); + + gpr_init(); + + /* setup GP timer */ + timer_init(); + + displ5_set_iomux_uart_spl(); + + /* UART clocks enabled and gd valid - init serial console */ + preloader_console_init(); + + displ5_init_ecspi(); + + /* DDR initialization */ + spl_dram_init(); + + /* Clear the BSS. */ + memset(__bss_start, 0, __bss_end - __bss_start); + + /* load/boot image from boot device */ + board_init_r(NULL, 0); +} + +void board_boot_order(u32 *spl_boot_list) +{ + /* Default boot sequence SPI -> MMC */ + spl_boot_list[0] = spl_boot_device(); + spl_boot_list[1] = BOOT_DEVICE_MMC1; + spl_boot_list[2] = BOOT_DEVICE_UART; + spl_boot_list[3] = BOOT_DEVICE_NONE; + +#ifdef CONFIG_SPL_ENV_SUPPORT + /* 'fastboot' */ + const char *s; + + env_init(); + env_load(); + + s = env_get("BOOT_FROM"); + if (s && strcmp(s, "ACTIVE") == 0) { + spl_boot_list[0] = BOOT_DEVICE_MMC1; + spl_boot_list[1] = spl_boot_device(); + } +#endif +} + +void reset_cpu(ulong addr) {} + +#ifdef CONFIG_SPL_LOAD_FIT +int board_fit_config_name_match(const char *name) +{ + return 0; +} +#endif + +#ifdef CONFIG_SPL_OS_BOOT +/* Return: 1 - boot to U-Boot. 0 - boot OS (falcon mode) */ +int spl_start_uboot(void) +{ + /* break into full u-boot on 'c' */ + if (serial_tstc() && serial_getc() == 'c') + return 1; + +#ifdef CONFIG_SPL_ENV_SUPPORT + if (env_get_yesno("boot_os") != 1) + return 1; +#endif + return 0; +} +#endif |