diff options
author | Peter Senna Tschudin | 2017-11-06 19:14:11 +0000 |
---|---|---|
committer | Stefano Babic | 2017-11-20 09:59:02 +0100 |
commit | 6b0071c11088471d0ba9716fcb14207f46dc2c21 (patch) | |
tree | b9fd6a2235deb1a7ef2327e728a13fa4718ff654 /board/ge | |
parent | b418dfe16e62ffb6062e2acc5471821c011bc9cd (diff) |
mx53: Add Board support for GE PPD
Create board support for GE PPD, based on mx53loco.
Use mx53ppd_defconfig make target to configure for this board.
Signed-off-by: Peter Senna Tschudin <peter.senna@collabora.com>
Signed-off-by: Ian Ray <ian.ray@ge.com>
Signed-off-by: Nandor Han <nandor.han@ge.com>
Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>
Cc: Stefano Babic <sbabic@denx.de>
Acked-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'board/ge')
-rw-r--r-- | board/ge/mx53ppd/Kconfig | 17 | ||||
-rw-r--r-- | board/ge/mx53ppd/MAINTAINERS | 7 | ||||
-rw-r--r-- | board/ge/mx53ppd/Makefile | 12 | ||||
-rw-r--r-- | board/ge/mx53ppd/imximage.cfg | 87 | ||||
-rw-r--r-- | board/ge/mx53ppd/mx53ppd.c | 457 | ||||
-rw-r--r-- | board/ge/mx53ppd/mx53ppd_video.c | 135 | ||||
-rw-r--r-- | board/ge/mx53ppd/ppd_gpio.h | 96 |
7 files changed, 811 insertions, 0 deletions
diff --git a/board/ge/mx53ppd/Kconfig b/board/ge/mx53ppd/Kconfig new file mode 100644 index 00000000000..781c1cf59f6 --- /dev/null +++ b/board/ge/mx53ppd/Kconfig @@ -0,0 +1,17 @@ +# SPDX-License-Identifier: GPL-2.0+ + +if TARGET_MX53PPD + +config SYS_BOARD + default "mx53ppd" + +config SYS_VENDOR + default "ge" + +config SYS_SOC + default "mx5" + +config SYS_CONFIG_NAME + default "mx53ppd" + +endif diff --git a/board/ge/mx53ppd/MAINTAINERS b/board/ge/mx53ppd/MAINTAINERS new file mode 100644 index 00000000000..9b64b5d3893 --- /dev/null +++ b/board/ge/mx53ppd/MAINTAINERS @@ -0,0 +1,7 @@ +MX53PPD BOARD +M: Antti Mäentausta <antti.maentausta@ge.com> +M: Martyn Welch <martyn.welch@collabora.co.uk> +S: Maintained +F: board/freescale/mx53ppd/ +F: include/configs/mx53ppd.h +F: configs/mx53ppd_defconfig diff --git a/board/ge/mx53ppd/Makefile b/board/ge/mx53ppd/Makefile new file mode 100644 index 00000000000..928edfbad6f --- /dev/null +++ b/board/ge/mx53ppd/Makefile @@ -0,0 +1,12 @@ +# Copyright 2017 General Electric Company +# +# Based on board/freescale/mx53loco/Makefile: +# +# (C) Copyright 2011 Freescale Semiconductor, Inc. +# Jason Liu <r64343@freescale.com> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += mx53ppd.o +obj-$(CONFIG_VIDEO) += mx53ppd_video.o diff --git a/board/ge/mx53ppd/imximage.cfg b/board/ge/mx53ppd/imximage.cfg new file mode 100644 index 00000000000..83ff4b8a8b0 --- /dev/null +++ b/board/ge/mx53ppd/imximage.cfg @@ -0,0 +1,87 @@ +/* + * Copyright 2017 General Electric Company + * + * Based on board/freescale/mx53loco/imximage.cfg: + * + * Copyright (C) 2011 Freescale Semiconductor, Inc. + * Jason Liu <r64343@freescale.com> + * + * SPDX-License-Identifier: GPL-2.0+ + * + * Refer doc/README.imximage for more details about how-to configure + * and create imximage boot image + * + * The syntax is taken as close as possible with the kwbimage + */ + +/* image version */ +IMAGE_VERSION 2 + +/* + * Boot Device : one of + * spi, sd (the board has no nand neither onenand) + */ +BOOT_FROM sd + +/* + * Device Configuration Data (DCD) + * + * Each entry must have the format: + * Addr-type Address Value + * + * where: + * Addr-type register length (1,2 or 4 bytes) + * Address absolute address of the register + * value value to be stored in the register + */ +DATA 4 0x53fa8004 0x00194005 +DATA 4 0x53fa8554 0x00300000 +DATA 4 0x53fa8558 0x00300040 +DATA 4 0x53fa8560 0x00300000 +DATA 4 0x53fa8564 0x00300040 +DATA 4 0x53fa8568 0x00300040 +DATA 4 0x53fa8570 0x00300000 +DATA 4 0x53fa8574 0x00300000 +DATA 4 0x53fa8578 0x00300000 +DATA 4 0x53fa857c 0x00300040 +DATA 4 0x53fa8580 0x00300040 +DATA 4 0x53fa8584 0x00300000 +DATA 4 0x53fa8588 0x00300000 +DATA 4 0x53fa8590 0x00300040 +DATA 4 0x53fa8594 0x00300000 +DATA 4 0x53fa86f0 0x00300000 +DATA 4 0x53fa86f4 0x00000000 +DATA 4 0x53fa86fc 0x00000000 +DATA 4 0x53fa8714 0x00000000 +DATA 4 0x53fa8718 0x00300000 +DATA 4 0x53fa871c 0x00300000 +DATA 4 0x53fa8720 0x00300000 +DATA 4 0x53fa8728 0x00300000 +DATA 4 0x53fa872c 0x00300000 +DATA 4 0x63fd9088 0x35343535 +DATA 4 0x63fd9090 0x4d444c44 +DATA 4 0x63fd907c 0x01370138 +DATA 4 0x63fd9080 0x013b013c +DATA 4 0x63fd9018 0x00111740 +DATA 4 0x63fd9000 0x85190000 +DATA 4 0x63fd900c 0x8b8f52e3 +DATA 4 0x63fd9010 0xb68e8a63 +DATA 4 0x63fd9014 0x01ff00db +DATA 4 0x63fd902c 0x000026d2 +DATA 4 0x63fd9030 0x008f0e21 +DATA 4 0x63fd9008 0x09333030 +DATA 4 0x63fd9004 0x0002002d +DATA 4 0x63fd901c 0x00008032 +DATA 4 0x63fd901c 0x00008033 +DATA 4 0x63fd901c 0x00468031 +DATA 4 0x63fd901c 0x052080b0 +DATA 4 0x63fd901c 0x04008040 +DATA 4 0x63fd901c 0x0000803a +DATA 4 0x63fd901c 0x0000803b +DATA 4 0x63fd901c 0x00028039 +DATA 4 0x63fd901c 0x05208138 +DATA 4 0x63fd901c 0x04008048 +DATA 4 0x63fd9020 0x00005800 +DATA 4 0x63fd9040 0x05380003 +DATA 4 0x63fd9058 0x00011110 +DATA 4 0x63fd901c 0x00000000 diff --git a/board/ge/mx53ppd/mx53ppd.c b/board/ge/mx53ppd/mx53ppd.c new file mode 100644 index 00000000000..6a8a29d7d80 --- /dev/null +++ b/board/ge/mx53ppd/mx53ppd.c @@ -0,0 +1,457 @@ +/* + * Copyright 2017 General Electric Company + * + * Based on board/freescale/mx53loco/mx53loco.c: + * + * Copyright (C) 2011 Freescale Semiconductor, Inc. + * Jason Liu <r64343@freescale.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/clock.h> +#include <asm/arch/iomux-mx53.h> +#include <asm/arch/clock.h> +#include <linux/errno.h> +#include <asm/mach-imx/mxc_i2c.h> +#include <asm/mach-imx/mx5_video.h> +#include <netdev.h> +#include <i2c.h> +#include <mmc.h> +#include <fsl_esdhc.h> +#include <asm/gpio.h> +#include <power/pmic.h> +#include <dialog_pmic.h> +#include <fsl_pmic.h> +#include <linux/fb.h> +#include <ipu_pixfmt.h> +#include <watchdog.h> +#include "ppd_gpio.h" +#include <stdlib.h> +#include "../../ge/common/vpd_reader.h" +#include <rtc.h> + +#define MX53PPD_LCD_POWER IMX_GPIO_NR(3, 24) + +DECLARE_GLOBAL_DATA_PTR; + +/* Index of I2C1, SEGMENT 1 (see CONFIG_SYS_I2C_BUSES). */ +#define VPD_EEPROM_BUS 2 + +/* Address of 24C08 EEPROM. */ +#define VPD_EEPROM_ADDR 0x50 +#define VPD_EEPROM_ADDR_LEN 1 + +static u32 mx53_dram_size[2]; + +phys_size_t get_effective_memsize(void) +{ + /* + * WARNING: We must override get_effective_memsize() function here + * to report only the size of the first DRAM bank. This is to make + * U-Boot relocator place U-Boot into valid memory, that is, at the + * end of the first DRAM bank. If we did not override this function + * like so, U-Boot would be placed at the address of the first DRAM + * bank + total DRAM size - sizeof(uboot), which in the setup where + * each DRAM bank contains 512MiB of DRAM would result in placing + * U-Boot into invalid memory area close to the end of the first + * DRAM bank. + */ + return mx53_dram_size[0]; +} + +int dram_init(void) +{ + mx53_dram_size[0] = get_ram_size((void *)PHYS_SDRAM_1, 1 << 30); + mx53_dram_size[1] = get_ram_size((void *)PHYS_SDRAM_2, 1 << 30); + + gd->ram_size = mx53_dram_size[0] + mx53_dram_size[1]; + + return 0; +} + +int dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = mx53_dram_size[0]; + + gd->bd->bi_dram[1].start = PHYS_SDRAM_2; + gd->bd->bi_dram[1].size = mx53_dram_size[1]; + + return 0; +} + +u32 get_board_rev(void) +{ + return get_cpu_rev() & ~(0xF << 8); +} + +#define UART_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_ODE) + +#ifdef CONFIG_USB_EHCI_MX5 +int board_ehci_hcd_init(int port) +{ + /* request VBUS power enable pin, GPIO7_8 */ + imx_iomux_v3_setup_pad(MX53_PAD_PATA_DA_2__GPIO7_8); + gpio_direction_output(IMX_GPIO_NR(7, 8), 1); + return 0; +} +#endif + +static void setup_iomux_fec(void) +{ + static const iomux_v3_cfg_t fec_pads[] = { + NEW_PAD_CTRL(MX53_PAD_FEC_MDIO__FEC_MDIO, PAD_CTL_HYS | + PAD_CTL_DSE_HIGH | PAD_CTL_PUS_22K_UP | + PAD_CTL_ODE), + NEW_PAD_CTRL(MX53_PAD_FEC_MDC__FEC_MDC, PAD_CTL_DSE_HIGH), + NEW_PAD_CTRL(MX53_PAD_FEC_RXD1__FEC_RDATA_1, + PAD_CTL_HYS | PAD_CTL_PKE), + NEW_PAD_CTRL(MX53_PAD_FEC_RXD0__FEC_RDATA_0, + PAD_CTL_HYS | PAD_CTL_PKE), + NEW_PAD_CTRL(MX53_PAD_FEC_TXD1__FEC_TDATA_1, PAD_CTL_DSE_HIGH), + NEW_PAD_CTRL(MX53_PAD_FEC_TXD0__FEC_TDATA_0, PAD_CTL_DSE_HIGH), + NEW_PAD_CTRL(MX53_PAD_FEC_TX_EN__FEC_TX_EN, PAD_CTL_DSE_HIGH), + NEW_PAD_CTRL(MX53_PAD_FEC_REF_CLK__FEC_TX_CLK, + PAD_CTL_HYS | PAD_CTL_PKE), + NEW_PAD_CTRL(MX53_PAD_FEC_RX_ER__FEC_RX_ER, + PAD_CTL_HYS | PAD_CTL_PKE), + NEW_PAD_CTRL(MX53_PAD_FEC_CRS_DV__FEC_RX_DV, + PAD_CTL_HYS | PAD_CTL_PKE), + }; + + imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads)); +} + +#ifdef CONFIG_FSL_ESDHC +struct fsl_esdhc_cfg esdhc_cfg[2] = { + {MMC_SDHC3_BASE_ADDR}, + {MMC_SDHC1_BASE_ADDR}, +}; + +int board_mmc_getcd(struct mmc *mmc) +{ + return 1; +} + +#define SD_CMD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \ + PAD_CTL_PUS_100K_UP) +#define SD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \ + PAD_CTL_DSE_HIGH) + +int board_mmc_init(bd_t *bis) +{ + static const iomux_v3_cfg_t sd1_pads[] = { + NEW_PAD_CTRL(MX53_PAD_PATA_RESET_B__ESDHC3_CMD, + SD_CMD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_PATA_IORDY__ESDHC3_CLK, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_PATA_DATA8__ESDHC3_DAT0, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_PATA_DATA9__ESDHC3_DAT1, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_PATA_DATA10__ESDHC3_DAT2, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_PATA_DATA11__ESDHC3_DAT3, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_PATA_DATA0__ESDHC3_DAT4, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_PATA_DATA1__ESDHC3_DAT5, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_PATA_DATA2__ESDHC3_DAT6, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_PATA_DATA3__ESDHC3_DAT7, SD_PAD_CTRL), + MX53_PAD_EIM_DA11__GPIO3_11, + }; + + static const iomux_v3_cfg_t sd2_pads[] = { + NEW_PAD_CTRL(MX53_PAD_SD1_CMD__ESDHC1_CMD, SD_CMD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_SD1_CLK__ESDHC1_CLK, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_SD1_DATA0__ESDHC1_DAT0, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_SD1_DATA1__ESDHC1_DAT1, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_SD1_DATA2__ESDHC1_DAT2, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_SD1_DATA3__ESDHC1_DAT3, SD_PAD_CTRL), + MX53_PAD_EIM_DA13__GPIO3_13, + }; + + u32 index; + int ret; + + esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + + for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) { + switch (index) { + case 0: + imx_iomux_v3_setup_multiple_pads(sd1_pads, + ARRAY_SIZE(sd1_pads)); + break; + case 1: + imx_iomux_v3_setup_multiple_pads(sd2_pads, + ARRAY_SIZE(sd2_pads)); + break; + default: + printf("Warning: you configured more ESDHC controller (%d) as supported by the board(2)\n", + CONFIG_SYS_FSL_ESDHC_NUM); + return -EINVAL; + } + ret = fsl_esdhc_initialize(bis, &esdhc_cfg[index]); + if (ret) + return ret; + } + + return 0; +} +#endif + +#define I2C_PAD_CTRL (PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_ODE) + +static void setup_iomux_i2c(void) +{ + static const iomux_v3_cfg_t i2c1_pads[] = { + NEW_PAD_CTRL(MX53_PAD_CSI0_DAT8__I2C1_SDA, I2C_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_CSI0_DAT9__I2C1_SCL, I2C_PAD_CTRL), + }; + + imx_iomux_v3_setup_multiple_pads(i2c1_pads, ARRAY_SIZE(i2c1_pads)); +} + +#define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL) + +static struct i2c_pads_info i2c_pad_info1 = { + .scl = { + .i2c_mode = MX53_PAD_EIM_D21__I2C1_SCL | I2C_PAD, + .gpio_mode = MX53_PAD_EIM_D28__GPIO3_28 | I2C_PAD, + .gp = IMX_GPIO_NR(3, 28) + }, + .sda = { + .i2c_mode = MX53_PAD_EIM_D28__I2C1_SDA | I2C_PAD, + .gpio_mode = MX53_PAD_EIM_D21__GPIO3_21 | I2C_PAD, + .gp = IMX_GPIO_NR(3, 21) + } +}; + +static int clock_1GHz(void) +{ + int ret; + u32 ref_clk = MXC_HCLK; + /* + * After increasing voltage to 1.25V, we can switch + * CPU clock to 1GHz and DDR to 400MHz safely + */ + ret = mxc_set_clock(ref_clk, 1000, MXC_ARM_CLK); + if (ret) { + printf("CPU: Switch CPU clock to 1GHZ failed\n"); + return -1; + } + + ret = mxc_set_clock(ref_clk, 400, MXC_PERIPH_CLK); + ret |= mxc_set_clock(ref_clk, 400, MXC_DDR_CLK); + if (ret) { + printf("CPU: Switch DDR clock to 400MHz failed\n"); + return -1; + } + + return 0; +} + +void ppd_gpio_init(void) +{ + int i; + + imx_iomux_v3_setup_multiple_pads(ppd_pads, ARRAY_SIZE(ppd_pads)); + for (i = 0; i < ARRAY_SIZE(ppd_gpios); ++i) + gpio_direction_output(ppd_gpios[i].gpio, ppd_gpios[i].value); +} + +int board_early_init_f(void) +{ + setup_iomux_fec(); + setup_iomux_lcd(); + ppd_gpio_init(); + + return 0; +} + +/* + * Do not overwrite the console + * Use always serial for U-Boot console + */ +int overwrite_console(void) +{ + return 1; +} + +#define VPD_TYPE_INVALID 0x00 +#define VPD_BLOCK_NETWORK 0x20 +#define VPD_BLOCK_HWID 0x44 +#define VPD_PRODUCT_PPD 4 +#define VPD_HAS_MAC1 0x1 +#define VPD_MAC_ADDRESS_LENGTH 6 + +struct vpd_cache { + u8 product_id; + u8 has; + unsigned char mac1[VPD_MAC_ADDRESS_LENGTH]; +}; + +/* + * Extracts MAC and product information from the VPD. + */ +static int vpd_callback(void *userdata, u8 id, u8 version, u8 type, size_t size, + u8 const *data) +{ + struct vpd_cache *vpd = (struct vpd_cache *)userdata; + + if (id == VPD_BLOCK_HWID && version == 1 && type != VPD_TYPE_INVALID && + size >= 1) { + vpd->product_id = data[0]; + + } else if (id == VPD_BLOCK_NETWORK && version == 1 && + type != VPD_TYPE_INVALID) { + if (size >= 6) { + vpd->has |= VPD_HAS_MAC1; + memcpy(vpd->mac1, data, VPD_MAC_ADDRESS_LENGTH); + } + } + + return 0; +} + +static void process_vpd(struct vpd_cache *vpd) +{ + int fec_index = -1; + + if (vpd->product_id == VPD_PRODUCT_PPD) + fec_index = 0; + + if (fec_index >= 0 && (vpd->has & VPD_HAS_MAC1)) + eth_env_set_enetaddr("ethaddr", vpd->mac1); +} + +static int read_vpd(uint eeprom_bus) +{ + struct vpd_cache vpd; + int res; + int size = 1024; + u8 *data; + unsigned int current_i2c_bus = i2c_get_bus_num(); + + res = i2c_set_bus_num(eeprom_bus); + if (res < 0) + return res; + + data = malloc(size); + if (!data) + return -ENOMEM; + + res = i2c_read(VPD_EEPROM_ADDR, 0, VPD_EEPROM_ADDR_LEN, data, size); + if (res == 0) { + memset(&vpd, 0, sizeof(vpd)); + vpd_reader(size, data, &vpd, vpd_callback); + process_vpd(&vpd); + } + + free(data); + + i2c_set_bus_num(current_i2c_bus); + return res; +} + +static void check_time(void) +{ + int ret, i; + struct rtc_time tm; + u8 retry = 3; + + unsigned int current_i2c_bus = i2c_get_bus_num(); + + ret = i2c_set_bus_num(CONFIG_SYS_RTC_BUS_NUM); + if (ret < 0) + return; + + rtc_init(); + + for (i = 0; i < retry; i++) { + ret = rtc_get(&tm); + if (!ret || ret == -EINVAL) + break; + } + + if (ret < 0) + env_set("rtc_status", "RTC_ERROR"); + + if (tm.tm_year > 2037) { + tm.tm_sec = 0; + tm.tm_min = 0; + tm.tm_hour = 0; + tm.tm_mday = 1; + tm.tm_wday = 2; + tm.tm_mon = 1; + tm.tm_year = 2036; + + for (i = 0; i < retry; i++) { + ret = rtc_set(&tm); + if (!ret) + break; + } + + if (ret < 0) + env_set("rtc_status", "RTC_ERROR"); + } + + i2c_set_bus_num(current_i2c_bus); +} + +int board_init(void) +{ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + + mxc_set_sata_internal_clock(); + setup_iomux_i2c(); + + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); + + return 0; +} + +int misc_init_r(void) +{ + const char *cause; + + /* We care about WDOG only, treating everything else as + * a power-on-reset. + */ + if (get_imx_reset_cause() & 0x0010) + cause = "WDOG"; + else + cause = "POR"; + + env_set("bootcause", cause); + + return 0; +} + +int board_late_init(void) +{ + int res; + + read_vpd(VPD_EEPROM_BUS); + + res = clock_1GHz(); + if (res != 0) + return res; + + print_cpuinfo(); + hw_watchdog_init(); + + check_time(); + + return 0; +} + +int checkboard(void) +{ + puts("Board: GE PPD\n"); + + return 0; +} diff --git a/board/ge/mx53ppd/mx53ppd_video.c b/board/ge/mx53ppd/mx53ppd_video.c new file mode 100644 index 00000000000..45974bccd68 --- /dev/null +++ b/board/ge/mx53ppd/mx53ppd_video.c @@ -0,0 +1,135 @@ +/* + * Copyright 2017 General Electric Company + * + * Based on board/freescale/mx53loco/mx53loco_video.c: + * + * Copyright (C) 2012 Freescale Semiconductor, Inc. + * Fabio Estevam <fabio.estevam@freescale.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <linux/list.h> +#include <asm/gpio.h> +#include <asm/arch/iomux-mx53.h> +#include <linux/fb.h> +#include <ipu_pixfmt.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/imx-regs.h> +#include <asm/io.h> +#include <pwm.h> +#include "ppd_gpio.h" + +#define MX53PPD_LCD_POWER IMX_GPIO_NR(3, 24) + +static struct fb_videomode const nv_spwg = { + .name = "NV-SPWGRGB888", + .refresh = 60, + .xres = 800, + .yres = 480, + .pixclock = 15384, + .left_margin = 16, + .right_margin = 210, + .upper_margin = 10, + .lower_margin = 22, + .hsync_len = 30, + .vsync_len = 13, + .sync = FB_SYNC_EXT, + .vmode = FB_VMODE_NONINTERLACED +}; + +void setup_iomux_lcd(void) +{ + static const iomux_v3_cfg_t lcd_pads[] = { + MX53_PAD_DI0_DISP_CLK__IPU_DI0_DISP_CLK, + MX53_PAD_DI0_PIN15__IPU_DI0_PIN15, + MX53_PAD_DI0_PIN2__IPU_DI0_PIN2, + MX53_PAD_DI0_PIN3__IPU_DI0_PIN3, + MX53_PAD_DISP0_DAT0__IPU_DISP0_DAT_0, + MX53_PAD_DISP0_DAT1__IPU_DISP0_DAT_1, + MX53_PAD_DISP0_DAT2__IPU_DISP0_DAT_2, + MX53_PAD_DISP0_DAT3__IPU_DISP0_DAT_3, + MX53_PAD_DISP0_DAT4__IPU_DISP0_DAT_4, + MX53_PAD_DISP0_DAT5__IPU_DISP0_DAT_5, + MX53_PAD_DISP0_DAT6__IPU_DISP0_DAT_6, + MX53_PAD_DISP0_DAT7__IPU_DISP0_DAT_7, + MX53_PAD_DISP0_DAT8__IPU_DISP0_DAT_8, + MX53_PAD_DISP0_DAT9__IPU_DISP0_DAT_9, + MX53_PAD_DISP0_DAT10__IPU_DISP0_DAT_10, + MX53_PAD_DISP0_DAT11__IPU_DISP0_DAT_11, + MX53_PAD_DISP0_DAT12__IPU_DISP0_DAT_12, + MX53_PAD_DISP0_DAT13__IPU_DISP0_DAT_13, + MX53_PAD_DISP0_DAT14__IPU_DISP0_DAT_14, + MX53_PAD_DISP0_DAT15__IPU_DISP0_DAT_15, + MX53_PAD_DISP0_DAT16__IPU_DISP0_DAT_16, + MX53_PAD_DISP0_DAT17__IPU_DISP0_DAT_17, + MX53_PAD_DISP0_DAT18__IPU_DISP0_DAT_18, + MX53_PAD_DISP0_DAT19__IPU_DISP0_DAT_19, + MX53_PAD_DISP0_DAT20__IPU_DISP0_DAT_20, + MX53_PAD_DISP0_DAT21__IPU_DISP0_DAT_21, + MX53_PAD_DISP0_DAT22__IPU_DISP0_DAT_22, + MX53_PAD_DISP0_DAT23__IPU_DISP0_DAT_23, + }; + + imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads)); +} + +static void lcd_enable(void) +{ + struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; + + /* Set LDB_DI0 as clock source for IPU_DI0 */ + clrsetbits_le32(&mxc_ccm->cscmr2, + MXC_CCM_CSCMR2_DI0_CLK_SEL_MASK, + MXC_CCM_CSCMR2_DI0_CLK_SEL( + MXC_CCM_CSCMR2_DI0_CLK_SEL_LDB_DI0_CLK)); + + /* Turn on IPU LDB DI0 clocks */ + setbits_le32(&mxc_ccm->CCGR6, MXC_CCM_CCGR6_LDB_DI0(3)); + + /* Turn on IPU DI0 clocks */ + setbits_le32(&mxc_ccm->CCGR6, MXC_CCM_CCGR6_IPU_DI0(3)); + + /* Configure LDB */ + writel(IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG | + IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT | + IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0, + &iomux->gpr[2]); + + /* Enable backlights */ + pwm_init(1, 0, 0); + + /* duty cycle 5000000ns, period: 5000000ns */ + pwm_config(1, 5000000, 5000000); + + /* Backlight Power */ + gpio_direction_output(BACKLIGHT_ENABLE, 1); + + pwm_enable(1); +} + +static int do_lcd_enable(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + lcd_enable(); + return 0; +} + +U_BOOT_CMD( + ppd_lcd_enable, 1, 1, do_lcd_enable, + "enable PPD LCD", + "no parameters" +); + +int board_video_skip(void) +{ + int ret; + + ret = ipuv3_fb_init(&nv_spwg, 0, IPU_PIX_FMT_RGB24); + if (ret) + printf("Display cannot be configured: %d\n", ret); + + return ret; +} diff --git a/board/ge/mx53ppd/ppd_gpio.h b/board/ge/mx53ppd/ppd_gpio.h new file mode 100644 index 00000000000..71a88a1da7b --- /dev/null +++ b/board/ge/mx53ppd/ppd_gpio.h @@ -0,0 +1,96 @@ +/* + * (C) Copyright 2015 General Electric Company + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __PPD_GPIO_H_ +#define __PPD_GPIO_H_ + +#include <asm/arch/iomux-mx53.h> +#include <asm/gpio.h> + +#define PPD_UART_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \ + PAD_CTL_PUS_100K_UP) + +static const iomux_v3_cfg_t ppd_pads[] = { + /* FEC */ + MX53_PAD_EIM_A22__GPIO2_16, + /* UART */ + NEW_PAD_CTRL(MX53_PAD_PATA_DMACK__UART1_RXD_MUX, PPD_UART_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_PATA_DIOW__UART1_TXD_MUX, PPD_UART_PAD_CTRL), + /* Video */ + MX53_PAD_CSI0_DATA_EN__GPIO5_20, /* LR_SCAN_CTRL */ + MX53_PAD_CSI0_VSYNC__GPIO5_21, /* UD_SCAN_CTRL */ + MX53_PAD_CSI0_DAT10__GPIO5_28, /* DATA_WIDTH_CTRL */ + MX53_PAD_CSI0_PIXCLK__GPIO5_18, /* HOST_CONTROLLED_RESET_TO_LCD_N */ + MX53_PAD_EIM_DA2__GPIO3_2, /* LVDS1_MUX_CTRL */ + MX53_PAD_EIM_DA3__GPIO3_3, /* LVDS0_MUX_CTRL */ + MX53_PAD_EIM_A21__GPIO2_17, /* ENABLE_PWR_TO_LCD_AND_UI_INTERFACE */ + MX53_PAD_CSI0_DAT11__GPIO5_29, /* BACKLIGHT_ENABLE */ + MX53_PAD_DISP0_DAT9__PWM2_PWMO, /* IMX535_PWM2_TO_LCD_CONNECTOR */ + /* I2C */ + MX53_PAD_EIM_A20__GPIO2_18, /* RESET_I2C1_BUS_SEGMENT_MUX_N */ + + /* SPI */ + MX53_PAD_DISP0_DAT23__GPIO5_17, + MX53_PAD_KEY_COL2__GPIO4_10, + MX53_PAD_KEY_ROW2__GPIO4_11, + MX53_PAD_KEY_COL3__GPIO4_12, +}; + +struct gpio_cfg { + unsigned int gpio; + int value; +}; + +#define RESET_IMX535_ETHERNET_PHY_N IMX_GPIO_NR(2, 16) +#define UD_SCAN_CTRL IMX_GPIO_NR(5, 21) +#define LR_SCAN_CTRL IMX_GPIO_NR(5, 20) +#define LVDS0_MUX_CTRL IMX_GPIO_NR(3, 3) +#define LVDS1_MUX_CTRL IMX_GPIO_NR(3, 2) +#define HOST_CONTROLLED_RESET_TO_LCD_N IMX_GPIO_NR(5, 18) +#define DATA_WIDTH_CTRL IMX_GPIO_NR(5, 28) +#define RESET_DP0_TRANSMITTER_N IMX_GPIO_NR(2, 28) +#define RESET_DP1_TRANSMITTER_N IMX_GPIO_NR(2, 29) +#define POWER_DOWN_LVDS0_DESERIALIZER_N IMX_GPIO_NR(2, 22) +#define POWER_DOWN_LVDS1_DESERIALIZER_N IMX_GPIO_NR(2, 27) +#define ENABLE_PWR_TO_LCD_AND_UI_INTERFACE IMX_GPIO_NR(2, 17) +#define BACKLIGHT_ENABLE IMX_GPIO_NR(5, 29) +#define RESET_I2C1_BUS_SEGMENT_MUX_N IMX_GPIO_NR(2, 18) +#define ECSPI1_CS0 IMX_GPIO_NR(5, 17) +#define ECSPI1_CS1 IMX_GPIO_NR(4, 10) +#define ECSPI1_CS2 IMX_GPIO_NR(4, 11) +#define ECSPI1_CS3 IMX_GPIO_NR(4, 12) + +static const struct gpio_cfg ppd_gpios[] = { + /* FEC */ + /* Drive Low as GPIO output for 25ms per Eth Phy IX spec */ + /* Then Drive High as GPIO output to bring Eth Phy IC out of reset */ + { RESET_IMX535_ETHERNET_PHY_N, 0 }, + { RESET_IMX535_ETHERNET_PHY_N, 1 }, + /* Video */ + { UD_SCAN_CTRL, 0 }, + { LR_SCAN_CTRL, 1 }, +#ifdef PROPRIETARY_CHANGES + { LVDS0_MUX_CTRL, 1 }, +#else + { LVDS0_MUX_CTRL, 0 }, +#endif + { LVDS1_MUX_CTRL, 1 }, + { HOST_CONTROLLED_RESET_TO_LCD_N, 1 }, + { DATA_WIDTH_CTRL, 0 }, + { RESET_DP0_TRANSMITTER_N, 1 }, + { RESET_DP1_TRANSMITTER_N, 1 }, + { POWER_DOWN_LVDS0_DESERIALIZER_N, 1 }, + { POWER_DOWN_LVDS1_DESERIALIZER_N, 1 }, + { ENABLE_PWR_TO_LCD_AND_UI_INTERFACE, 1 }, + { BACKLIGHT_ENABLE, 0 }, + { RESET_I2C1_BUS_SEGMENT_MUX_N, 1 }, + { ECSPI1_CS0, 1 }, + { ECSPI1_CS1, 1 }, + { ECSPI1_CS2, 1 }, + { ECSPI1_CS3, 1 }, +}; + +#endif /* __PPD_GPIO_H_ */ |