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155 lines
4.0 KiB
C
155 lines
4.0 KiB
C
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/*
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* armadillo 800 eva board support
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*
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* Copyright (C) 2012 Renesas Solutions Corp.
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* Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include <linux/clk.h>
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#include <linux/err.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/gpio.h>
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#include <mach/common.h>
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#include <mach/irqs.h>
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#include <asm/page.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/time.h>
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#include <asm/hardware/cache-l2x0.h>
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#include <mach/r8a7740.h>
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/*
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* CON1 Camera Module
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* CON2 Extension Bus
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* CON3 HDMI Output
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* CON4 Composite Video Output
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* CON5 H-UDI JTAG
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* CON6 ARM JTAG
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* CON7 SD1
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* CON8 SD2
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* CON9 RTC BackUp
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* CON10 Monaural Mic Input
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* CON11 Stereo Headphone Output
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* CON12 Audio Line Output(L)
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* CON13 Audio Line Output(R)
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* CON14 AWL13 Module
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* CON15 Extension
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* CON16 LCD1
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* CON17 LCD2
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* CON19 Power Input
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* CON20 USB1
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* CON21 USB2
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* CON22 Serial
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* CON23 LAN
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* CON24 USB3
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* LED1 Camera LED(Yellow)
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* LED2 Power LED (Green)
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* ED3-LED6 User LED(Yellow)
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* LED7 LAN link LED(Green)
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* LED8 LAN activity LED(Yellow)
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*/
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/*
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* DipSwitch
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*
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* SW1
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*
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* -12345678-+---------------+----------------------------
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* 1 | boot | hermit
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* 0 | boot | OS auto boot
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* -12345678-+---------------+----------------------------
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* 00 | boot device | eMMC
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* 10 | boot device | SDHI0 (CON7)
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* 01 | boot device | -
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* 11 | boot device | Extension Buss (CS0)
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* -12345678-+---------------+----------------------------
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* 0 | Extension Bus | D8-D15 disable, eMMC enable
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* 1 | Extension Bus | D8-D15 enable, eMMC disable
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* -12345678-+---------------+----------------------------
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* 0 | SDHI1 | COM8 enable, COM14 disable
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* 1 | SDHI1 | COM8 enable, COM14 disable
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* -12345678-+---------------+----------------------------
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* 00 | JTAG | SH-X2
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* 10 | JTAG | ARM
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* 01 | JTAG | -
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* 11 | JTAG | Boundary Scan
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*-----------+---------------+----------------------------
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*/
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/*
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* board devices
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*/
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static struct platform_device *eva_devices[] __initdata = {
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};
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/*
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* board init
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*/
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static void __init eva_init(void)
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{
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r8a7740_pinmux_init();
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/* SCIFA1 */
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gpio_request(GPIO_FN_SCIFA1_RXD, NULL);
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gpio_request(GPIO_FN_SCIFA1_TXD, NULL);
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#ifdef CONFIG_CACHE_L2X0
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/* Early BRESP enable, Shared attribute override enable, 32K*8way */
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l2x0_init(__io(0xf0002000), 0x40440000, 0x82000fff);
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#endif
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r8a7740_add_standard_devices();
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platform_add_devices(eva_devices,
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ARRAY_SIZE(eva_devices));
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}
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static void __init eva_earlytimer_init(void)
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{
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struct clk *xtal1;
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r8a7740_clock_init(MD_CK0 | MD_CK2);
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xtal1 = clk_get(NULL, "extal1");
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if (!IS_ERR(xtal1)) {
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/* armadillo 800 eva extal1 is 24MHz */
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clk_set_rate(xtal1, 24000000);
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clk_put(xtal1);
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}
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shmobile_earlytimer_init();
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}
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static void __init eva_add_early_devices(void)
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{
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r8a7740_add_early_devices();
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/* override timer setup with board-specific code */
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shmobile_timer.init = eva_earlytimer_init;
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}
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MACHINE_START(ARMADILLO800EVA, "armadillo800eva")
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.map_io = r8a7740_map_io,
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.init_early = eva_add_early_devices,
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.init_irq = r8a7740_init_irq,
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.handle_irq = shmobile_handle_irq_intc,
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.init_machine = eva_init,
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.timer = &shmobile_timer,
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MACHINE_END
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