1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * WORK Microwave work_92105 board support
4 *
5 * (C) Copyright 2014  DENX Software Engineering GmbH
6 * Written-by: Albert ARIBAUD <albert.aribaud@3adev.fr>
7 */
8
9#include <common.h>
10#include <init.h>
11#include <asm/global_data.h>
12#include <asm/io.h>
13#include <asm/arch/sys_proto.h>
14#include <asm/arch/cpu.h>
15#include <asm/arch/clk.h>
16#include <asm/arch/emc.h>
17#include <asm/arch/wdt.h>
18#include <asm/gpio.h>
19#include <spl.h>
20#include <linux/delay.h>
21#include "work_92105_display.h"
22
23DECLARE_GLOBAL_DATA_PTR;
24
25static struct clk_pm_regs *clk = (struct clk_pm_regs *)CLK_PM_BASE;
26static struct wdt_regs  *wdt = (struct wdt_regs *)WDT_BASE;
27
28void reset_periph(void)
29{
30	setbits_le32(&clk->timclk_ctrl, CLK_TIMCLK_WATCHDOG);
31	writel(WDTIM_MCTRL_RESFRC1, &wdt->mctrl);
32	udelay(150);
33	writel(0, &wdt->mctrl);
34	clrbits_le32(&clk->timclk_ctrl, CLK_TIMCLK_WATCHDOG);
35}
36
37int board_early_init_f(void)
38{
39	/* initialize serial port for console */
40	lpc32xx_uart_init(CONFIG_CONS_INDEX);
41	/* enable I2C, SSP, MAC, NAND */
42	lpc32xx_i2c_init(1); /* only I2C1 has devices, I2C2 has none */
43	lpc32xx_ssp_init();
44	lpc32xx_mac_init();
45	lpc32xx_mlc_nand_init();
46	/* Display must wait until after relocation and devices init */
47	return 0;
48}
49
50#define GPO_19 115
51
52int board_early_init_r(void)
53{
54	/* Set NAND !WP to 1 through GPO_19 */
55	gpio_request(GPO_19, "NAND_nWP");
56	gpio_direction_output(GPO_19, 1);
57
58#ifdef CONFIG_DEPRECATED
59	/* initialize display */
60	work_92105_display_init();
61#endif
62
63	return 0;
64}
65
66int board_init(void)
67{
68	reset_periph();
69	/* adress of boot parameters */
70	gd->bd->bi_boot_params  = CFG_SYS_SDRAM_BASE + 0x100;
71
72	return 0;
73}
74
75int dram_init(void)
76{
77	gd->ram_size = get_ram_size((void *)CFG_SYS_SDRAM_BASE,
78				    CFG_SYS_SDRAM_SIZE);
79
80	return 0;
81}
82