diff options
Diffstat (limited to 'board/ge/mx53ppd/mx53ppd.c')
| -rw-r--r-- | board/ge/mx53ppd/mx53ppd.c | 457 |
1 files changed, 457 insertions, 0 deletions
diff --git a/board/ge/mx53ppd/mx53ppd.c b/board/ge/mx53ppd/mx53ppd.c new file mode 100644 index 0000000000..6a8a29d7d8 --- /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; +} |