| /* |
| * WORK Microwave work_92105 board support |
| * |
| * (C) Copyright 2014 DENX Software Engineering GmbH |
| * Written-by: Albert ARIBAUD <albert.aribaud@3adev.fr> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <common.h> |
| #include <asm/io.h> |
| #include <asm/arch/sys_proto.h> |
| #include <asm/arch/cpu.h> |
| #include <asm/arch/clk.h> |
| #include <asm/arch/emc.h> |
| #include <asm/arch/wdt.h> |
| #include <asm/gpio.h> |
| #include <spl.h> |
| #include "work_92105_display.h" |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| static struct clk_pm_regs *clk = (struct clk_pm_regs *)CLK_PM_BASE; |
| static struct wdt_regs *wdt = (struct wdt_regs *)WDT_BASE; |
| |
| void reset_periph(void) |
| { |
| setbits_le32(&clk->timclk_ctrl, CLK_TIMCLK_WATCHDOG); |
| writel(WDTIM_MCTRL_RESFRC1, &wdt->mctrl); |
| udelay(150); |
| writel(0, &wdt->mctrl); |
| clrbits_le32(&clk->timclk_ctrl, CLK_TIMCLK_WATCHDOG); |
| } |
| |
| int board_early_init_f(void) |
| { |
| /* initialize serial port for console */ |
| lpc32xx_uart_init(CONFIG_SYS_LPC32XX_UART); |
| /* enable I2C, SSP, MAC, NAND */ |
| lpc32xx_i2c_init(1); /* only I2C1 has devices, I2C2 has none */ |
| lpc32xx_ssp_init(); |
| lpc32xx_mac_init(); |
| lpc32xx_mlc_nand_init(); |
| /* Display must wait until after relocation and devices init */ |
| return 0; |
| } |
| |
| #define GPO_19 115 |
| |
| int board_early_init_r(void) |
| { |
| /* Set NAND !WP to 1 through GPO_19 */ |
| gpio_request(GPO_19, "NAND_nWP"); |
| gpio_direction_output(GPO_19, 1); |
| |
| /* initialize display */ |
| work_92105_display_init(); |
| |
| return 0; |
| } |
| |
| int board_init(void) |
| { |
| reset_periph(); |
| /* adress of boot parameters */ |
| gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; |
| |
| return 0; |
| } |
| |
| int dram_init(void) |
| { |
| gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, |
| CONFIG_SYS_SDRAM_SIZE); |
| |
| return 0; |
| } |