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6f888fe31d
The cleanup branch keeps going down in size as we've completed a lot of the major legacy platform removals and conversions. A handful of changes this time around, some of the themes or larger sets are: - A bunch of i.MX cleanups around platform detection, init call cleanups - Misc fixes of missing/implicit includes - Removal of ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJXnnwFAAoJEIwa5zzehBx3zXQP/2a/+XkiseeGkEoiX/6FOfhH XTzipye0OYdEe3kVWFL1sVVXRH6a5sbDJRNtfsQc+KdSG5i7LMHWARRJmIx9CTMB oQ9pEbYKSyBQDHBSOZYT6W+qYOI2SdTYqesjd3yn+FY4SIFBpQ/V3axHnMICIRm9 PmHF1QUQEdtQ2Y9+E1vA1mHcPN9enjlesD3VdRbxVPX/PZw63kx9y8ICVq5I/PX9 DfJRcA+PKIYQghhEZ0cx2bEoKozv7W088C7DD1Umw1NN18pMuvvNQGhid80xUqKY 4bmLSGWqwmSzv1WZ/u1pUnBGGQE9YY1U2b8kZy8hSVg9rupxS8Ang0ztZRRE6nk2 4t8GmWuLDH+7PxFv/skzi1AMAx+4KxSfp3N5qyKr8ddmnYrFWmBPj2AeBqrlziw6 8Z41LQULmf/Gs6McikGUP7ryqd15gNtTJO1wlavqFrPe0fyzcHsgqpIy3YCqZiSE wQ4Hc036xqGknmg6GjHWp+W1rHZVGsnXmvnp1IVRoAGqwBqxNi4ItIXE7an8144H NnWFmPRSsGg26MfEJVsbtPQWNtEGqM2lgr6zn9xirC0cVbQ4ZDtWp2q0bJ1v/cLQ sW6Gu6jgVN8YUPp56lBaXJ5RxHE9V1Sqi4/+KghBKWW0X/BIo99b6PVr2bJRrkaq ZvpvsgzbCHdGqTptF9Dw =SfR/ -----END PGP SIGNATURE----- Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC cleanups from Olof Johansson: "The cleanup branch keeps going down in size as we've completed a lot of the major legacy platform removals and conversions. A handful of changes this time around, some of the themes or larger sets are: - A bunch of i.MX cleanups around platform detection, init call cleanups - Misc fixes of missing/implicit includes - Removal of ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB" * tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (40 commits) ARM: mps2: fix typo ARM: s3c64xx: avoid warning about 'struct device_node' bus: mvebu-mbus: make mvebu_mbus_syscore_ops static bus: mvebu-mbus: fix __iomem on register pointers ARM: tegra: Remove board_init_funcs array ARM: iop: Fix indentation ARM: imx: remove cpu_is_mx*() ARM: imx: remove last call to cpu_is_mx5* ARM: imx: rework mx27_pm_init() call ARM: imx: deconstruct mx3_idle ARM: imx: deconstruct mxc_rnga initialization ARM: imx: remove cpu_is_mx1 check ARM: i.MX: Do not explicitly call l2x0_of_init() ARM: i.MX: system.c: Tweak prefetch settings for performance ARM: i.MX: system.c: Replace magic numbers ARM: i.MX: system.c: Remove redundant errata 752271 code ARM: i.MX: system.c: Convert goto to if statement ARM: Kirkwood: fix kirkwood_pm_init() declaration/type ARM: Kirkwood: make kirkwood_disable_mbus_error_propagation() static ARM: orion5x: make orion5x_legacy_handle_irq static ...
150 lines
3.7 KiB
C
150 lines
3.7 KiB
C
/*
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* NVIDIA Tegra SoC device tree board support
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*
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* Copyright (C) 2011, 2013, NVIDIA Corporation
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* Copyright (C) 2010 Secret Lab Technologies, Ltd.
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* Copyright (C) 2010 Google, Inc.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <linux/clk.h>
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#include <linux/clk/tegra.h>
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#include <linux/dma-mapping.h>
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#include <linux/init.h>
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#include <linux/io.h>
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#include <linux/irqchip.h>
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#include <linux/irqdomain.h>
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#include <linux/kernel.h>
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#include <linux/of_address.h>
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#include <linux/of_fdt.h>
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#include <linux/of.h>
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#include <linux/of_platform.h>
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#include <linux/pda_power.h>
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#include <linux/platform_device.h>
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#include <linux/serial_8250.h>
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#include <linux/slab.h>
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#include <linux/sys_soc.h>
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#include <linux/usb/tegra_usb_phy.h>
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#include <soc/tegra/fuse.h>
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#include <soc/tegra/pmc.h>
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#include <asm/hardware/cache-l2x0.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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#include <asm/mach-types.h>
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#include <asm/setup.h>
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#include <asm/trusted_foundations.h>
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#include "board.h"
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#include "common.h"
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#include "cpuidle.h"
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#include "flowctrl.h"
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#include "iomap.h"
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#include "irq.h"
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#include "pm.h"
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#include "reset.h"
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#include "sleep.h"
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/*
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* Storage for debug-macro.S's state.
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*
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* This must be in .data not .bss so that it gets initialized each time the
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* kernel is loaded. The data is declared here rather than debug-macro.S so
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* that multiple inclusions of debug-macro.S point at the same data.
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*/
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u32 tegra_uart_config[3] = {
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/* Debug UART initialization required */
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1,
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/* Debug UART physical address */
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0,
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/* Debug UART virtual address */
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0,
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};
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static void __init tegra_init_early(void)
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{
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of_register_trusted_foundations();
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tegra_cpu_reset_handler_init();
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tegra_flowctrl_init();
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}
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static void __init tegra_dt_init_irq(void)
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{
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tegra_init_irq();
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irqchip_init();
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}
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static void __init tegra_dt_init(void)
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{
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struct soc_device_attribute *soc_dev_attr;
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struct soc_device *soc_dev;
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struct device *parent = NULL;
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soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
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if (!soc_dev_attr)
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goto out;
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soc_dev_attr->family = kasprintf(GFP_KERNEL, "Tegra");
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soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%d",
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tegra_sku_info.revision);
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soc_dev_attr->soc_id = kasprintf(GFP_KERNEL, "%u", tegra_get_chip_id());
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soc_dev = soc_device_register(soc_dev_attr);
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if (IS_ERR(soc_dev)) {
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kfree(soc_dev_attr->family);
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kfree(soc_dev_attr->revision);
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kfree(soc_dev_attr->soc_id);
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kfree(soc_dev_attr);
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goto out;
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}
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parent = soc_device_to_device(soc_dev);
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/*
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* Finished with the static registrations now; fill in the missing
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* devices
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*/
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out:
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of_platform_default_populate(NULL, NULL, parent);
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}
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static void __init tegra_dt_init_late(void)
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{
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tegra_init_suspend();
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tegra_cpuidle_init();
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if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC) &&
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of_machine_is_compatible("compal,paz00"))
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tegra_paz00_wifikill_init();
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}
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static const char * const tegra_dt_board_compat[] = {
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"nvidia,tegra124",
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"nvidia,tegra114",
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"nvidia,tegra30",
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"nvidia,tegra20",
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NULL
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};
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DT_MACHINE_START(TEGRA_DT, "NVIDIA Tegra SoC (Flattened Device Tree)")
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.l2c_aux_val = 0x3c400001,
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.l2c_aux_mask = 0xc20fc3fe,
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.smp = smp_ops(tegra_smp_ops),
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.map_io = tegra_map_common_io,
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.init_early = tegra_init_early,
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.init_irq = tegra_dt_init_irq,
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.init_machine = tegra_dt_init,
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.init_late = tegra_dt_init_late,
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.dt_compat = tegra_dt_board_compat,
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MACHINE_END
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