mirror of https://gitee.com/openkylin/linux.git
93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
|
/*
|
||
|
|
* arch/arm/mach-dove/board-dt.c
|
||
|
|
*
|
||
|
|
* Marvell Dove 88AP510 System On Chip FDT Board
|
||
|
|
*
|
||
|
|
* This file is licensed under the terms of the GNU General Public
|
||
|
|
* License version 2. This program is licensed "as is" without any
|
||
|
|
* warranty of any kind, whether express or implied.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/init.h>
|
||
|
|
#include <linux/clk-provider.h>
|
||
|
|
#include <linux/clk/mvebu.h>
|
||
|
|
#include <linux/of.h>
|
||
|
|
#include <linux/of_platform.h>
|
||
|
|
#include <linux/platform_data/usb-ehci-orion.h>
|
||
|
|
#include <asm/hardware/cache-tauros2.h>
|
||
|
|
#include <asm/mach/arch.h>
|
||
|
|
#include <mach/pm.h>
|
||
|
|
#include <plat/common.h>
|
||
|
|
#include <plat/irq.h>
|
||
|
|
#include "common.h"
|
||
|
|
|
||
|
|
/*
|
||
|
|
* There are still devices that doesn't even know about DT,
|
||
|
|
* get clock gates here and add a clock lookup.
|
||
|
|
*/
|
||
|
|
static void __init dove_legacy_clk_init(void)
|
||
|
|
{
|
||
|
|
struct device_node *np = of_find_compatible_node(NULL, NULL,
|
||
|
|
"marvell,dove-gating-clock");
|
||
|
|
struct of_phandle_args clkspec;
|
||
|
|
|
||
|
|
clkspec.np = np;
|
||
|
|
clkspec.args_count = 1;
|
||
|
|
|
||
|
|
clkspec.args[0] = CLOCK_GATING_BIT_GBE;
|
||
|
|
orion_clkdev_add(NULL, "mv643xx_eth_port.0",
|
||
|
|
of_clk_get_from_provider(&clkspec));
|
||
|
|
|
||
|
|
clkspec.args[0] = CLOCK_GATING_BIT_PCIE0;
|
||
|
|
orion_clkdev_add("0", "pcie",
|
||
|
|
of_clk_get_from_provider(&clkspec));
|
||
|
|
|
||
|
|
clkspec.args[0] = CLOCK_GATING_BIT_PCIE1;
|
||
|
|
orion_clkdev_add("1", "pcie",
|
||
|
|
of_clk_get_from_provider(&clkspec));
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __init dove_of_clk_init(void)
|
||
|
|
{
|
||
|
|
mvebu_clocks_init();
|
||
|
|
dove_legacy_clk_init();
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct mv643xx_eth_platform_data dove_dt_ge00_data = {
|
||
|
|
.phy_addr = MV643XX_ETH_PHY_ADDR_DEFAULT,
|
||
|
|
};
|
||
|
|
|
||
|
|
static void __init dove_dt_init(void)
|
||
|
|
{
|
||
|
|
pr_info("Dove 88AP510 SoC\n");
|
||
|
|
|
||
|
|
#ifdef CONFIG_CACHE_TAUROS2
|
||
|
|
tauros2_init(0);
|
||
|
|
#endif
|
||
|
|
dove_setup_cpu_mbus();
|
||
|
|
|
||
|
|
/* Setup root of clk tree */
|
||
|
|
dove_of_clk_init();
|
||
|
|
|
||
|
|
/* Internal devices not ported to DT yet */
|
||
|
|
dove_ge00_init(&dove_dt_ge00_data);
|
||
|
|
dove_pcie_init(1, 1);
|
||
|
|
|
||
|
|
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const char * const dove_dt_board_compat[] = {
|
||
|
|
"marvell,dove",
|
||
|
|
NULL
|
||
|
|
};
|
||
|
|
|
||
|
|
DT_MACHINE_START(DOVE_DT, "Marvell Dove (Flattened Device Tree)")
|
||
|
|
.map_io = dove_map_io,
|
||
|
|
.init_early = dove_init_early,
|
||
|
|
.init_irq = orion_dt_init_irq,
|
||
|
|
.init_time = dove_timer_init,
|
||
|
|
.init_machine = dove_dt_init,
|
||
|
|
.restart = dove_restart,
|
||
|
|
.dt_compat = dove_dt_board_compat,
|
||
|
|
MACHINE_END
|