mirror of
https://source.denx.de/u-boot/u-boot.git
synced 2025-08-18 05:07:00 +02:00
03de305ec4
As part of bringing the master branch back in to next, we need to allow for all of these changes to exist here. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
38 lines
820 B
C
38 lines
820 B
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (c) 2011 The Chromium OS Authors.
|
|
*/
|
|
|
|
#include <asm/global_data.h>
|
|
#include "emc.h"
|
|
#include <asm/io.h>
|
|
#include <asm/arch/clock.h>
|
|
#include <asm/arch/emc.h>
|
|
#include <asm/arch/tegra.h>
|
|
#include <asm/arch-tegra/ap.h>
|
|
#include <asm/arch-tegra/clk_rst.h>
|
|
#include <asm/arch-tegra/pmu.h>
|
|
#include <asm/arch-tegra/sys_proto.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
/* These rates are hard-coded for now, until fdt provides them */
|
|
#define EMC_SDRAM_RATE_T20 (333000 * 2 * 1000)
|
|
#define EMC_SDRAM_RATE_T25 (380000 * 2 * 1000)
|
|
|
|
int board_emc_init(void)
|
|
{
|
|
unsigned rate;
|
|
|
|
switch (tegra_get_chip_sku()) {
|
|
default:
|
|
case TEGRA_SOC_T20:
|
|
rate = EMC_SDRAM_RATE_T20;
|
|
break;
|
|
case TEGRA_SOC_T25:
|
|
rate = EMC_SDRAM_RATE_T25;
|
|
break;
|
|
}
|
|
return tegra_set_emc(gd->fdt_blob, rate);
|
|
}
|