2 * WORK Microwave work_92105 board support
4 * (C) Copyright 2014 DENX Software Engineering GmbH
7 * SPDX-License-Identifier: GPL-2.0+
12 #include <asm/arch/sys_proto.h>
13 #include <asm/arch/cpu.h>
14 #include <asm/arch/clk.h>
15 #include <asm/arch/emc.h>
16 #include <asm/arch/wdt.h>
19 #include "work_92105_display.h"
21 DECLARE_GLOBAL_DATA_PTR;
23 static struct clk_pm_regs *clk = (struct clk_pm_regs *)CLK_PM_BASE;
24 static struct wdt_regs *wdt = (struct wdt_regs *)WDT_BASE;
26 void reset_periph(void)
28 setbits_le32(&clk->timclk_ctrl, CLK_TIMCLK_WATCHDOG);
29 writel(WDTIM_MCTRL_RESFRC1, &wdt->mctrl);
31 writel(0, &wdt->mctrl);
32 clrbits_le32(&clk->timclk_ctrl, CLK_TIMCLK_WATCHDOG);
35 int board_early_init_f(void)
37 /* initialize serial port for console */
38 lpc32xx_uart_init(CONFIG_SYS_LPC32XX_UART);
39 /* enable I2C, SSP, MAC, NAND */
40 lpc32xx_i2c_init(1); /* only I2C1 has devices, I2C2 has none */
43 lpc32xx_mlc_nand_init();
44 /* Display must wait until after relocation and devices init */
50 int board_early_init_r(void)
52 /* Set NAND !WP to 1 through GPO_19 */
53 gpio_request(GPO_19, "NAND_nWP");
54 gpio_direction_output(GPO_19, 1);
56 /* initialize display */
57 work_92105_display_init();
65 /* adress of boot parameters */
66 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
73 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
74 CONFIG_SYS_SDRAM_SIZE);