mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-21 19:53:59 +08:00
2dfc91e831
This is the preparation to unify "board-dt-tegra{20,30,114}.c" to a
single file "tegra.c".
Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
156 lines
3.7 KiB
C
156 lines
3.7 KiB
C
/*
|
|
* nVidia Tegra device tree board support
|
|
*
|
|
* Copyright (C) 2010 Secret Lab Technologies, Ltd.
|
|
* Copyright (C) 2010 Google, Inc.
|
|
*
|
|
* This software is licensed under the terms of the GNU General Public
|
|
* License version 2, as published by the Free Software Foundation, and
|
|
* may be copied, distributed, and modified under those terms.
|
|
*
|
|
* 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/clocksource.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/serial_8250.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/irqdomain.h>
|
|
#include <linux/of.h>
|
|
#include <linux/of_address.h>
|
|
#include <linux/of_fdt.h>
|
|
#include <linux/of_platform.h>
|
|
#include <linux/pda_power.h>
|
|
#include <linux/platform_data/tegra_usb.h>
|
|
#include <linux/io.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/i2c-tegra.h>
|
|
#include <linux/usb/tegra_usb_phy.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/time.h>
|
|
#include <asm/setup.h>
|
|
|
|
#include "board.h"
|
|
#include "common.h"
|
|
#include "iomap.h"
|
|
|
|
static struct tegra_ehci_platform_data tegra_ehci1_pdata = {
|
|
.operating_mode = TEGRA_USB_OTG,
|
|
.power_down_on_bus_suspend = 1,
|
|
.vbus_gpio = -1,
|
|
};
|
|
|
|
static struct tegra_ulpi_config tegra_ehci2_ulpi_phy_config = {
|
|
.reset_gpio = -1,
|
|
.clk = "cdev2",
|
|
};
|
|
|
|
static struct tegra_ehci_platform_data tegra_ehci2_pdata = {
|
|
.phy_config = &tegra_ehci2_ulpi_phy_config,
|
|
.operating_mode = TEGRA_USB_HOST,
|
|
.power_down_on_bus_suspend = 1,
|
|
.vbus_gpio = -1,
|
|
};
|
|
|
|
static struct tegra_ehci_platform_data tegra_ehci3_pdata = {
|
|
.operating_mode = TEGRA_USB_HOST,
|
|
.power_down_on_bus_suspend = 1,
|
|
.vbus_gpio = -1,
|
|
};
|
|
|
|
static struct of_dev_auxdata tegra20_auxdata_lookup[] __initdata = {
|
|
OF_DEV_AUXDATA("nvidia,tegra20-ehci", 0xC5000000, "tegra-ehci.0",
|
|
&tegra_ehci1_pdata),
|
|
OF_DEV_AUXDATA("nvidia,tegra20-ehci", 0xC5004000, "tegra-ehci.1",
|
|
&tegra_ehci2_pdata),
|
|
OF_DEV_AUXDATA("nvidia,tegra20-ehci", 0xC5008000, "tegra-ehci.2",
|
|
&tegra_ehci3_pdata),
|
|
{}
|
|
};
|
|
|
|
static void __init tegra_dt_init(void)
|
|
{
|
|
/*
|
|
* Finished with the static registrations now; fill in the missing
|
|
* devices
|
|
*/
|
|
of_platform_populate(NULL, of_default_bus_match_table,
|
|
tegra20_auxdata_lookup, NULL);
|
|
}
|
|
|
|
static void __init trimslice_init(void)
|
|
{
|
|
#ifdef CONFIG_TEGRA_PCI
|
|
int ret;
|
|
|
|
ret = tegra_pcie_init(true, true);
|
|
if (ret)
|
|
pr_err("tegra_pci_init() failed: %d\n", ret);
|
|
#endif
|
|
}
|
|
|
|
static void __init harmony_init(void)
|
|
{
|
|
#ifdef CONFIG_TEGRA_PCI
|
|
int ret;
|
|
|
|
ret = harmony_pcie_init();
|
|
if (ret)
|
|
pr_err("harmony_pcie_init() failed: %d\n", ret);
|
|
#endif
|
|
}
|
|
|
|
static void __init paz00_init(void)
|
|
{
|
|
tegra_paz00_wifikill_init();
|
|
}
|
|
|
|
static struct {
|
|
char *machine;
|
|
void (*init)(void);
|
|
} board_init_funcs[] = {
|
|
{ "compulab,trimslice", trimslice_init },
|
|
{ "nvidia,harmony", harmony_init },
|
|
{ "compal,paz00", paz00_init },
|
|
};
|
|
|
|
static void __init tegra_dt_init_late(void)
|
|
{
|
|
int i;
|
|
|
|
tegra_init_late();
|
|
|
|
for (i = 0; i < ARRAY_SIZE(board_init_funcs); i++) {
|
|
if (of_machine_is_compatible(board_init_funcs[i].machine)) {
|
|
board_init_funcs[i].init();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static const char *tegra20_dt_board_compat[] = {
|
|
"nvidia,tegra20",
|
|
NULL
|
|
};
|
|
|
|
DT_MACHINE_START(TEGRA_DT, "nVidia Tegra20 (Flattened Device Tree)")
|
|
.map_io = tegra_map_common_io,
|
|
.smp = smp_ops(tegra_smp_ops),
|
|
.init_early = tegra_init_early,
|
|
.init_irq = tegra_dt_init_irq,
|
|
.init_time = clocksource_of_init,
|
|
.init_machine = tegra_dt_init,
|
|
.init_late = tegra_dt_init_late,
|
|
.restart = tegra_assert_system_reset,
|
|
.dt_compat = tegra20_dt_board_compat,
|
|
MACHINE_END
|