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![Krzysztof Kozlowski](/assets/img/avatar_default.png)
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
90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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//
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// Copyright 2008 Simtec Electronics
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// Ben Dooks <ben@simtec.co.uk>
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// http://armlinux.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/i2c.h>
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#include <linux/io.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/irq.h>
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#include <mach/irqs.h>
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#include "map.h"
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#include "devs.h"
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#include "cpu.h"
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#include <linux/platform_data/i2c-s3c2410.h>
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#include "gpio-samsung.h"
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#include "s3c64xx.h"
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#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
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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 smdk6400_uartcfgs[] __initdata = {
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[0] = {
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.hwport = 0,
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.flags = 0,
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.ucon = 0x3c5,
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.ulcon = 0x03,
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.ufcon = 0x51,
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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 = 0x3c5,
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.ulcon = 0x03,
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.ufcon = 0x51,
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},
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};
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static struct map_desc smdk6400_iodesc[] = {};
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static void __init smdk6400_map_io(void)
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{
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s3c64xx_init_io(smdk6400_iodesc, ARRAY_SIZE(smdk6400_iodesc));
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s3c64xx_set_xtal_freq(12000000);
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s3c24xx_init_uarts(smdk6400_uartcfgs, ARRAY_SIZE(smdk6400_uartcfgs));
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s3c64xx_set_timer_source(S3C64XX_PWM3, S3C64XX_PWM4);
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}
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static struct platform_device *smdk6400_devices[] __initdata = {
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&s3c_device_hsmmc1,
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&s3c_device_i2c0,
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};
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static struct i2c_board_info i2c_devs[] __initdata = {
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{ I2C_BOARD_INFO("wm8753", 0x1A), },
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{ I2C_BOARD_INFO("24c08", 0x50), },
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};
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static void __init smdk6400_machine_init(void)
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{
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i2c_register_board_info(0, i2c_devs, ARRAY_SIZE(i2c_devs));
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platform_add_devices(smdk6400_devices, ARRAY_SIZE(smdk6400_devices));
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}
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MACHINE_START(SMDK6400, "SMDK6400")
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/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
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.atag_offset = 0x100,
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.nr_irqs = S3C64XX_NR_IRQS,
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.init_irq = s3c6400_init_irq,
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.map_io = smdk6400_map_io,
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.init_machine = smdk6400_machine_init,
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.init_time = s3c64xx_timer_init,
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MACHINE_END
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