upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
30 lines
602 B
30 lines
602 B
/*
|
|
* Copyright (C) 2011-2014 Panasonic Corporation
|
|
* Copyright (C) 2015-2017 Socionext Inc.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <spl.h>
|
|
#include <linux/io.h>
|
|
|
|
#include "../init.h"
|
|
#include "../sc-regs.h"
|
|
|
|
void uniphier_ld4_dram_clk_init(void)
|
|
{
|
|
u32 tmp;
|
|
|
|
/* deassert reset */
|
|
tmp = readl(SC_RSTCTRL);
|
|
tmp |= SC_RSTCTRL_NRST_UMC1 | SC_RSTCTRL_NRST_UMC0;
|
|
writel(tmp, SC_RSTCTRL);
|
|
readl(SC_RSTCTRL); /* dummy read */
|
|
|
|
/* provide clocks */
|
|
tmp = readl(SC_CLKCTRL);
|
|
tmp |= SC_CLKCTRL_CEN_UMC;
|
|
writel(tmp, SC_CLKCTRL);
|
|
readl(SC_CLKCTRL); /* dummy read */
|
|
}
|
|
|