u-boot/arch/arm/mach-uniphier/clk/clk-ld20.c
Masahiro Yamada 739ba41d5a ARM: uniphier: de-couple SC macros into base address and offset
The SC_* macros represent the address of SysCtrl registers.
For a planned new SoC, its base address will be changed.

Turn the SC_* macros into the offset from the base address.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-07-10 22:42:02 +09:00

28 lines
546 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2017 Socionext Inc.
*/
#include <linux/bitops.h>
#include <linux/io.h>
#include "../init.h"
#include "../sc64-regs.h"
#define SDCTRL_EMMC_HW_RESET 0x59810280
void uniphier_ld20_clk_init(void)
{
u32 tmp;
tmp = readl(sc_base + SC_RSTCTRL6);
tmp |= BIT(8); /* Mali */
writel(tmp, sc_base + SC_RSTCTRL6);
tmp = readl(sc_base + SC_CLKCTRL6);
tmp |= BIT(8); /* Mali */
writel(tmp, sc_base + SC_CLKCTRL6);
/* TODO: use "mmc-pwrseq-emmc" */
writel(1, SDCTRL_EMMC_HW_RESET);
}