ARM: mach-mx5/mx53_ard: Add support for i.MX53 ARD board (bd897826) · Commits · e / devices / android_kernel_fairphone_FP3

arch/arm/mach-mx5/Kconfig

+8 −0

Original line number	Diff line number	Diff line
		@@ -209,6 +209,14 @@ config MACH_MX53_LOCO
		Include support for MX53 LOCO platform. This includes specific
		configurations for the board and its peripherals.

		config MACH_MX53_ARD
		bool "Support MX53 ARD platforms"
		select SOC_IMX53
		select IMX_HAVE_PLATFORM_IMX_UART
		help
		Include support for MX53 ARD platform. This includes specific
		configurations for the board and its peripherals.

		endif # ARCH_MX53_SUPPORTED

		endif

arch/arm/mach-mx5/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -12,6 +12,7 @@ obj-$(CONFIG_MACH_MX51_3DS) += board-mx51_3ds.o
		obj-$(CONFIG_MACH_MX53_EVK) += board-mx53_evk.o
		obj-$(CONFIG_MACH_MX53_SMD) += board-mx53_smd.o
		obj-$(CONFIG_MACH_MX53_LOCO) += board-mx53_loco.o
		obj-$(CONFIG_MACH_MX53_ARD) += board-mx53_ard.o
		obj-$(CONFIG_MACH_EUKREA_CPUIMX51) += board-cpuimx51.o
		obj-$(CONFIG_MACH_EUKREA_MBIMX51_BASEBOARD) += eukrea_mbimx51-baseboard.o
		obj-$(CONFIG_MACH_EUKREA_CPUIMX51SD) += board-cpuimx51sd.o

arch/arm/mach-mx5/board-mx53_ard.c

0 → 100644

+176 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
		*/

		/*
		* 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.

		* You should have received a copy of the GNU General Public License along
		* with this program; if not, write to the Free Software Foundation, Inc.,
		* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
		*/

		#include <linux/init.h>
		#include <linux/clk.h>
		#include <linux/delay.h>
		#include <linux/gpio.h>
		#include <linux/smsc911x.h>

		#include <mach/common.h>
		#include <mach/hardware.h>
		#include <mach/iomux-mx53.h>

		#include <asm/mach-types.h>
		#include <asm/mach/arch.h>
		#include <asm/mach/time.h>

		#include "crm_regs.h"
		#include "devices-imx53.h"

		#define ARD_ETHERNET_INT_B IMX_GPIO_NR(2, 31)

		static iomux_v3_cfg_t mx53_ard_pads[] = {
		/* UART1 */
		MX53_PAD_PATA_DIOW__UART1_TXD_MUX,
		MX53_PAD_PATA_DMACK__UART1_RXD_MUX,
		/* WEIM for CS1 */
		MX53_PAD_EIM_EB3__GPIO2_31, /* ETHERNET_INT_B */
		MX53_PAD_EIM_D16__EMI_WEIM_D_16,
		MX53_PAD_EIM_D17__EMI_WEIM_D_17,
		MX53_PAD_EIM_D18__EMI_WEIM_D_18,
		MX53_PAD_EIM_D19__EMI_WEIM_D_19,
		MX53_PAD_EIM_D20__EMI_WEIM_D_20,
		MX53_PAD_EIM_D21__EMI_WEIM_D_21,
		MX53_PAD_EIM_D22__EMI_WEIM_D_22,
		MX53_PAD_EIM_D23__EMI_WEIM_D_23,
		MX53_PAD_EIM_D24__EMI_WEIM_D_24,
		MX53_PAD_EIM_D25__EMI_WEIM_D_25,
		MX53_PAD_EIM_D26__EMI_WEIM_D_26,
		MX53_PAD_EIM_D27__EMI_WEIM_D_27,
		MX53_PAD_EIM_D28__EMI_WEIM_D_28,
		MX53_PAD_EIM_D29__EMI_WEIM_D_29,
		MX53_PAD_EIM_D30__EMI_WEIM_D_30,
		MX53_PAD_EIM_D31__EMI_WEIM_D_31,
		MX53_PAD_EIM_DA0__EMI_NAND_WEIM_DA_0,
		MX53_PAD_EIM_DA1__EMI_NAND_WEIM_DA_1,
		MX53_PAD_EIM_DA2__EMI_NAND_WEIM_DA_2,
		MX53_PAD_EIM_DA3__EMI_NAND_WEIM_DA_3,
		MX53_PAD_EIM_DA4__EMI_NAND_WEIM_DA_4,
		MX53_PAD_EIM_DA5__EMI_NAND_WEIM_DA_5,
		MX53_PAD_EIM_DA6__EMI_NAND_WEIM_DA_6,
		MX53_PAD_EIM_OE__EMI_WEIM_OE,
		MX53_PAD_EIM_RW__EMI_WEIM_RW,
		MX53_PAD_EIM_CS1__EMI_WEIM_CS_1,
		};

		static struct resource ard_smsc911x_resources[] = {
		{
		.start = MX53_CS1_64MB_BASE_ADDR,
		.end = MX53_CS1_64MB_BASE_ADDR + SZ_32M - 1,
		.flags = IORESOURCE_MEM,
		},
		{
		.start = gpio_to_irq(ARD_ETHERNET_INT_B),
		.end = gpio_to_irq(ARD_ETHERNET_INT_B),
		.flags = IORESOURCE_IRQ,
		},
		};

		struct smsc911x_platform_config ard_smsc911x_config = {
		.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
		.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
		.flags = SMSC911X_USE_32BIT,
		};

		static struct platform_device ard_smsc_lan9220_device = {
		.name = "smsc911x",
		.id = -1,
		.num_resources = ARRAY_SIZE(ard_smsc911x_resources),
		.resource = ard_smsc911x_resources,
		.dev = {
		.platform_data = &ard_smsc911x_config,
		},
		};

		static void __init mx53_ard_io_init(void)
		{
		mxc_iomux_v3_setup_multiple_pads(mx53_ard_pads,
		ARRAY_SIZE(mx53_ard_pads));

		gpio_request(ARD_ETHERNET_INT_B, "eth-int-b");
		gpio_direction_input(ARD_ETHERNET_INT_B);
		}

		/* Config CS1 settings for ethernet controller */
		static int weim_cs_config(void)
		{
		u32 reg;
		void __iomem weim_base, iomuxc_base;

		weim_base = ioremap(MX53_WEIM_BASE_ADDR, SZ_4K);
		if (!weim_base)
		return -ENOMEM;

		iomuxc_base = ioremap(MX53_IOMUXC_BASE_ADDR, SZ_4K);
		if (!iomuxc_base)
		return -ENOMEM;

		/* CS1 timings for LAN9220 */
		writel(0x20001, (weim_base + 0x18));
		writel(0x0, (weim_base + 0x1C));
		writel(0x16000202, (weim_base + 0x20));
		writel(0x00000002, (weim_base + 0x24));
		writel(0x16002082, (weim_base + 0x28));
		writel(0x00000000, (weim_base + 0x2C));
		writel(0x00000000, (weim_base + 0x90));

		/* specify 64 MB on CS1 and CS0 on GPR1 */
		reg = readl(iomuxc_base + 0x4);
		reg &= ~0x3F;
		reg \|= 0x1B;
		writel(reg, (iomuxc_base + 0x4));

		iounmap(iomuxc_base);
		iounmap(weim_base);

		return 0;
		}

		static struct platform_device *devices[] __initdata = {
		&ard_smsc_lan9220_device,
		};

		static void __init mx53_ard_board_init(void)
		{
		imx53_soc_init();
		imx53_add_imx_uart(0, NULL);

		mx53_ard_io_init();
		weim_cs_config();
		platform_add_devices(devices, ARRAY_SIZE(devices));
		}

		static void __init mx53_ard_timer_init(void)
		{
		mx53_clocks_init(32768, 24000000, 22579200, 0);
		}

		static struct sys_timer mx53_ard_timer = {
		.init = mx53_ard_timer_init,
		};

		MACHINE_START(MX53_ARD, "Freescale MX53 ARD Board")
		.map_io = mx53_map_io,
		.init_early = imx53_init_early,
		.init_irq = mx53_init_irq,
		.timer = &mx53_ard_timer,
		.init_machine = mx53_ard_board_init,
		MACHINE_END

arch/arm/plat-mxc/include/mach/uncompress.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -117,6 +117,7 @@ static __inline__ void __arch_decomp_setup(unsigned long arch_id)
		case MACH_TYPE_MX53_EVK:
		case MACH_TYPE_MX53_LOCO:
		case MACH_TYPE_MX53_SMD:
		case MACH_TYPE_MX53_ARD:
		uart_base = MX53_UART1_BASE_ADDR;
		break;
		default: