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a1342f6a9f
PWM timer initialization has two independent implementations - one for S3C24xx and one for S3C64xx. The naming however was always the same and before also the declaration was shared. This is confusing, error prone and might cause issues when trying to build multiplatform kernel. Suggested-by: Tomasz Figa <tomasz.figa@gmail.com> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200820204203.22328-1-krzk@kernel.org
111 lines
2.6 KiB
C
111 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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//
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// Copyright (C) 2004 by FS Forth-Systeme GmbH
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// All rights reserved.
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//
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// @Author: Jonas Dietsche
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//
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// @History:
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// derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by
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// Ben Dooks <ben@simtec.co.uk>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <linux/list.h>
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#include <linux/timer.h>
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#include <linux/init.h>
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#include <linux/serial_core.h>
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#include <linux/serial_s3c.h>
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#include <linux/platform_device.h>
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#include <linux/io.h>
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#include "gpio-samsung.h"
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#include "gpio-cfg.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/irq.h>
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#include <asm/irq.h>
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#include <asm/mach-types.h>
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#include <linux/platform_data/i2c-s3c2410.h>
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#include "devs.h"
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#include "cpu.h"
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#include "s3c24xx.h"
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#include "common-smdk-s3c24xx.h"
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static struct map_desc smdk2410_iodesc[] __initdata = {
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/* nothing here yet */
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};
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#define UCON S3C2410_UCON_DEFAULT
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#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
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#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
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static struct s3c2410_uartcfg smdk2410_uartcfgs[] __initdata = {
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[0] = {
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.hwport = 0,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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},
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[1] = {
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.hwport = 1,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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},
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[2] = {
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.hwport = 2,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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}
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};
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static struct platform_device *smdk2410_devices[] __initdata = {
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&s3c_device_ohci,
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&s3c_device_lcd,
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&s3c_device_wdt,
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&s3c_device_i2c0,
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&s3c_device_iis,
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};
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static void __init smdk2410_map_io(void)
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{
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s3c24xx_init_io(smdk2410_iodesc, ARRAY_SIZE(smdk2410_iodesc));
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s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
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s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
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}
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static void __init smdk2410_init_time(void)
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{
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s3c2410_init_clocks(12000000);
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s3c24xx_timer_init();
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}
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static void __init smdk2410_init(void)
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{
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s3c_i2c0_set_platdata(NULL);
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platform_add_devices(smdk2410_devices, ARRAY_SIZE(smdk2410_devices));
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/* Configure the I2S pins (GPE0...GPE4) in correct mode */
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s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
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S3C_GPIO_PULL_NONE);
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smdk_machine_init();
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}
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MACHINE_START(SMDK2410, "SMDK2410") /* @TODO: request a new identifier and switch
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* to SMDK2410 */
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/* Maintainer: Jonas Dietsche */
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.atag_offset = 0x100,
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.map_io = smdk2410_map_io,
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.init_irq = s3c2410_init_irq,
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.init_machine = smdk2410_init,
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.init_time = smdk2410_init_time,
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MACHINE_END
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