linux/arch/arm/mach-rockchip/rockchip.c
Kefeng Wang 850bea2335 arm: Remove unnecessary of_platform_populate with default match table
After patch "of/platform: Add common method to populate default bus",
it is possible for arch code to remove unnecessary callers of
of_platform_populate with default match table.

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Lee Jones <lee@kernel.org>
Cc: Krzysztof Halasa <khalasa@piap.pl>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Rob Herring <robh@kernel.org>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Cc: Roland Stigge <stigge@antcom.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Viresh Kumar <vireshk@kernel.org>
Cc: Shiraz Hashim <shiraz.linux.kernel@gmail.com>
Cc: Tony Prisk <linux@prisktech.co.nz>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2016-06-23 14:58:37 -05:00

95 lines
2.5 KiB
C

/*
* Device Tree support for Rockchip SoCs
*
* Copyright (c) 2013 MundoReader S.L.
* Author: Heiko Stuebner <heiko@sntech.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/of_platform.h>
#include <linux/irqchip.h>
#include <linux/clk-provider.h>
#include <linux/clocksource.h>
#include <linux/mfd/syscon.h>
#include <linux/regmap.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/hardware/cache-l2x0.h>
#include "core.h"
#include "pm.h"
#define RK3288_GRF_SOC_CON0 0x244
#define RK3288_TIMER6_7_PHYS 0xff810000
static void __init rockchip_timer_init(void)
{
if (of_machine_is_compatible("rockchip,rk3288")) {
struct regmap *grf;
void __iomem *reg_base;
/*
* Most/all uboot versions for rk3288 don't enable timer7
* which is needed for the architected timer to work.
* So make sure it is running during early boot.
*/
reg_base = ioremap(RK3288_TIMER6_7_PHYS, SZ_16K);
if (reg_base) {
writel(0, reg_base + 0x30);
writel(0xffffffff, reg_base + 0x20);
writel(0xffffffff, reg_base + 0x24);
writel(1, reg_base + 0x30);
dsb();
iounmap(reg_base);
} else {
pr_err("rockchip: could not map timer7 registers\n");
}
/*
* Disable auto jtag/sdmmc switching that causes issues
* with the mmc controllers making them unreliable
*/
grf = syscon_regmap_lookup_by_compatible("rockchip,rk3288-grf");
if (!IS_ERR(grf))
regmap_write(grf, RK3288_GRF_SOC_CON0, 0x10000000);
else
pr_err("rockchip: could not get grf syscon\n");
}
of_clk_init(NULL);
clocksource_probe();
}
static void __init rockchip_dt_init(void)
{
rockchip_suspend_init();
}
static const char * const rockchip_board_dt_compat[] = {
"rockchip,rk2928",
"rockchip,rk3066a",
"rockchip,rk3066b",
"rockchip,rk3188",
"rockchip,rk3228",
"rockchip,rk3288",
NULL,
};
DT_MACHINE_START(ROCKCHIP_DT, "Rockchip (Device Tree)")
.l2c_aux_val = 0,
.l2c_aux_mask = ~0,
.init_time = rockchip_timer_init,
.dt_compat = rockchip_board_dt_compat,
.init_machine = rockchip_dt_init,
MACHINE_END