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.
34 lines
783 B
34 lines
783 B
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2015-2017 Socionext Inc.
|
|
*/
|
|
|
|
#include <linux/io.h>
|
|
|
|
#include "../init.h"
|
|
#include "../sc-regs.h"
|
|
|
|
void uniphier_pro5_dram_clk_init(void)
|
|
{
|
|
u32 tmp;
|
|
|
|
/*
|
|
* deassert reset
|
|
* UMCA2: Ch1 (DDR3)
|
|
* UMCA1, UMC31: Ch0 (WIO1)
|
|
* UMCA0, UMC30: Ch0 (WIO0)
|
|
*/
|
|
tmp = readl(SC_RSTCTRL4);
|
|
tmp |= SC_RSTCTRL4_NRST_UMCSB | SC_RSTCTRL4_NRST_UMCA2 |
|
|
SC_RSTCTRL4_NRST_UMCA1 | SC_RSTCTRL4_NRST_UMCA0 |
|
|
SC_RSTCTRL4_NRST_UMC31 | SC_RSTCTRL4_NRST_UMC30;
|
|
writel(tmp, SC_RSTCTRL4);
|
|
readl(SC_RSTCTRL4); /* dummy read */
|
|
|
|
/* provide clocks */
|
|
tmp = readl(SC_CLKCTRL4);
|
|
tmp |= SC_CLKCTRL4_CEN_UMCSB | SC_CLKCTRL4_CEN_UMC1 |
|
|
SC_CLKCTRL4_CEN_UMC0;
|
|
writel(tmp, SC_CLKCTRL4);
|
|
readl(SC_CLKCTRL4); /* dummy read */
|
|
}
|
|
|