diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-imx/mach-imx6q.c')
-rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-imx/mach-imx6q.c | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-imx/mach-imx6q.c b/ANDROID_3.4.5/arch/arm/mach-imx/mach-imx6q.c deleted file mode 100644 index da6c1d9a..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-imx/mach-imx6q.c +++ /dev/null @@ -1,147 +0,0 @@ -/* - * Copyright 2011 Freescale Semiconductor, Inc. - * Copyright 2011 Linaro Ltd. - * - * The code contained herein is licensed under the GNU General Public - * License. You may obtain a copy of the GNU General Public License - * Version 2 or later at the following locations: - * - * http://www.opensource.org/licenses/gpl-license.html - * http://www.gnu.org/copyleft/gpl.html - */ - -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/io.h> -#include <linux/irq.h> -#include <linux/irqdomain.h> -#include <linux/of.h> -#include <linux/of_address.h> -#include <linux/of_irq.h> -#include <linux/of_platform.h> -#include <linux/phy.h> -#include <linux/micrel_phy.h> -#include <asm/smp_twd.h> -#include <asm/hardware/cache-l2x0.h> -#include <asm/hardware/gic.h> -#include <asm/mach/arch.h> -#include <asm/mach/time.h> -#include <asm/system_misc.h> -#include <mach/common.h> -#include <mach/hardware.h> - -void imx6q_restart(char mode, const char *cmd) -{ - struct device_node *np; - void __iomem *wdog_base; - - np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-wdt"); - wdog_base = of_iomap(np, 0); - if (!wdog_base) - goto soft; - - imx_src_prepare_restart(); - - /* enable wdog */ - writew_relaxed(1 << 2, wdog_base); - /* write twice to ensure the request will not get ignored */ - writew_relaxed(1 << 2, wdog_base); - - /* wait for reset to assert ... */ - mdelay(500); - - pr_err("Watchdog reset failed to assert reset\n"); - - /* delay to allow the serial port to show the message */ - mdelay(50); - -soft: - /* we'll take a jump through zero as a poor second */ - soft_restart(0); -} - -/* For imx6q sabrelite board: set KSZ9021RN RGMII pad skew */ -static int ksz9021rn_phy_fixup(struct phy_device *phydev) -{ - /* min rx data delay */ - phy_write(phydev, 0x0b, 0x8105); - phy_write(phydev, 0x0c, 0x0000); - - /* max rx/tx clock delay, min rx/tx control delay */ - phy_write(phydev, 0x0b, 0x8104); - phy_write(phydev, 0x0c, 0xf0f0); - phy_write(phydev, 0x0b, 0x104); - - return 0; -} - -static void __init imx6q_init_machine(void) -{ - if (of_machine_is_compatible("fsl,imx6q-sabrelite")) - phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK, - ksz9021rn_phy_fixup); - - of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); - - imx6q_pm_init(); -} - -static void __init imx6q_map_io(void) -{ - imx_lluart_map_io(); - imx_scu_map_io(); - imx6q_clock_map_io(); -} - -static int __init imx6q_gpio_add_irq_domain(struct device_node *np, - struct device_node *interrupt_parent) -{ - static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS; - - gpio_irq_base -= 32; - irq_domain_add_legacy(np, 32, gpio_irq_base, 0, &irq_domain_simple_ops, - NULL); - - return 0; -} - -static const struct of_device_id imx6q_irq_match[] __initconst = { - { .compatible = "arm,cortex-a9-gic", .data = gic_of_init, }, - { .compatible = "fsl,imx6q-gpio", .data = imx6q_gpio_add_irq_domain, }, - { /* sentinel */ } -}; - -static void __init imx6q_init_irq(void) -{ - l2x0_of_init(0, ~0UL); - imx_src_init(); - imx_gpc_init(); - of_irq_init(imx6q_irq_match); -} - -static void __init imx6q_timer_init(void) -{ - mx6q_clocks_init(); - twd_local_timer_of_register(); -} - -static struct sys_timer imx6q_timer = { - .init = imx6q_timer_init, -}; - -static const char *imx6q_dt_compat[] __initdata = { - "fsl,imx6q-arm2", - "fsl,imx6q-sabrelite", - "fsl,imx6q", - NULL, -}; - -DT_MACHINE_START(IMX6Q, "Freescale i.MX6 Quad (Device Tree)") - .map_io = imx6q_map_io, - .init_irq = imx6q_init_irq, - .handle_irq = imx6q_handle_irq, - .timer = &imx6q_timer, - .init_machine = imx6q_init_machine, - .dt_compat = imx6q_dt_compat, - .restart = imx6q_restart, -MACHINE_END |