u-boot/arch/arm/mach-uniphier/clk/clk-pxs3.c
Masahiro Yamada a184fb8e96 ARM: uniphier: add GPU(Mali) reset deassert and clk enable
The driver for Linux is out of control of Socionext, so set up
reset / clock in here.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-09-18 20:26:18 +09:00

29 lines
509 B
C

/*
* Copyright (C) 2017 Socionext Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <linux/bitops.h>
#include <linux/io.h>
#include "../init.h"
#include "../sc64-regs.h"
#define SDCTRL_EMMC_HW_RESET 0x59810280
void uniphier_pxs3_clk_init(void)
{
u32 tmp;
tmp = readl(SC_RSTCTRL6);
tmp |= BIT(8); /* Mali */
writel(tmp, SC_RSTCTRL6);
tmp = readl(SC_CLKCTRL6);
tmp |= BIT(8); /* Mali */
writel(tmp, SC_CLKCTRL6);
/* TODO: use "mmc-pwrseq-emmc" */
writel(1, SDCTRL_EMMC_HW_RESET);
}