1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980 |
- // SPDX-License-Identifier: GPL-2.0+
- /*
- * WORK Microwave work_92105 board support
- *
- * (C) Copyright 2014 DENX Software Engineering GmbH
- * Written-by: Albert ARIBAUD <albert.aribaud@3adev.fr>
- */
- #include <common.h>
- #include <init.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 <linux/delay.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);
- #ifdef CONFIG_DEPRECATED
- /* initialize display */
- work_92105_display_init();
- #endif
- 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;
- }
|