[u-boot.git] / board / sipeed / maix / maix.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2019-20 Sean Anderson <[email protected]>
 */

#include <common.h>
#include <clk.h>
#include <dm.h>
#include <fdt_support.h>
#include <asm/io.h>

phys_size_t get_effective_memsize(void)
{
	return CONFIG_SYS_SDRAM_SIZE;
}

int board_init(void)
{
	int ret, i;
	const char * const banks[] = { "sram0", "sram1", "airam" };
	ofnode memory;
	struct clk clk;

	/* Enable RAM clocks */
	memory = ofnode_by_compatible(ofnode_null(), "kendryte,k210-sram");
	if (ofnode_equal(memory, ofnode_null()))
		return -ENOENT;

	for (i = 0; i < ARRAY_SIZE(banks); i++) {
		ret = clk_get_by_name_nodev(memory, banks[i], &clk);
		if (ret)
			continue;

		ret = clk_enable(&clk);
		clk_free(&clk);
		if (ret)
			return ret;
	}

	return 0;
}
Commit	Line	Data
a7c81fc8 SA	1	// SPDX-License-Identifier: GPL-2.0+
	2	/*
	3	* Copyright (C) 2019-20 Sean Anderson <[email protected]>
	4	*/
	5
	6	#include <common.h>
	7	#include <clk.h>
	8	#include <dm.h>
	9	#include <fdt_support.h>
	10	#include <asm/io.h>
	11
	12	phys_size_t get_effective_memsize(void)
	13	{
	14	return CONFIG_SYS_SDRAM_SIZE;
	15	}
	16
	17	int board_init(void)
	18	{
	19	int ret, i;
	20	const char * const banks[] = { "sram0", "sram1", "airam" };
	21	ofnode memory;
	22	struct clk clk;
	23
	24	/* Enable RAM clocks */
	25	memory = ofnode_by_compatible(ofnode_null(), "kendryte,k210-sram");
	26	if (ofnode_equal(memory, ofnode_null()))
	27	return -ENOENT;
	28
	29	for (i = 0; i < ARRAY_SIZE(banks); i++) {
	30	ret = clk_get_by_name_nodev(memory, banks[i], &clk);
	31	if (ret)
	32	continue;
	33
	34	ret = clk_enable(&clk);
	35	clk_free(&clk);
	36	if (ret)
	37	return ret;
	38	}
	39
	40	return 0;
	41	}