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.
54 lines
1.1 KiB
54 lines
1.1 KiB
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2016 Atmel Corporation
|
|
* Wenyou.Yang <wenyou.yang@atmel.com>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <clk-uclass.h>
|
|
#include <dm.h>
|
|
#include <linux/io.h>
|
|
#include <mach/at91_pmc.h>
|
|
#include "pmc.h"
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
static int plla_clk_enable(struct clk *clk)
|
|
{
|
|
struct pmc_platdata *plat = dev_get_platdata(clk->dev);
|
|
struct at91_pmc *pmc = plat->reg_base;
|
|
|
|
if (readl(&pmc->sr) & AT91_PMC_LOCKA)
|
|
return 0;
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
static ulong plla_clk_get_rate(struct clk *clk)
|
|
{
|
|
return gd->arch.plla_rate_hz;
|
|
}
|
|
|
|
static struct clk_ops plla_clk_ops = {
|
|
.enable = plla_clk_enable,
|
|
.get_rate = plla_clk_get_rate,
|
|
};
|
|
|
|
static int plla_clk_probe(struct udevice *dev)
|
|
{
|
|
return at91_pmc_core_probe(dev);
|
|
}
|
|
|
|
static const struct udevice_id plla_clk_match[] = {
|
|
{ .compatible = "atmel,sama5d3-clk-pll" },
|
|
{}
|
|
};
|
|
|
|
U_BOOT_DRIVER(at91_plla_clk) = {
|
|
.name = "at91-plla-clk",
|
|
.id = UCLASS_CLK,
|
|
.of_match = plla_clk_match,
|
|
.probe = plla_clk_probe,
|
|
.platdata_auto_alloc_size = sizeof(struct pmc_platdata),
|
|
.ops = &plla_clk_ops,
|
|
};
|
|
|