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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
123 lines
2.8 KiB
C
123 lines
2.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
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//
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// Copyright (c) 2004 Nex Vision
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// Guillaume GOURAT <guillaume.gourat@nexvision.fr>
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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 <linux/platform_data/i2c-s3c2410.h>
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#include <asm/irq.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 "gpio-samsung.h"
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#include "gpio-cfg.h"
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#include "cpu.h"
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#include "devs.h"
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#include "s3c24xx.h"
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#include "otom.h"
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static struct map_desc otom11_iodesc[] __initdata = {
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/* Device area */
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{ (u32)OTOM_VA_CS8900A_BASE, OTOM_PA_CS8900A_BASE, SZ_16M, MT_DEVICE },
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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_RXTRIG12 | S3C2410_UFCON_FIFOMODE
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static struct s3c2410_uartcfg otom11_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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/* port 2 is not actually used */
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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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/* NOR Flash on NexVision OTOM board */
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static struct resource otom_nor_resource[] = {
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[0] = DEFINE_RES_MEM(S3C2410_CS0, SZ_4M),
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};
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static struct platform_device otom_device_nor = {
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.name = "mtd-flash",
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.id = -1,
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.num_resources = ARRAY_SIZE(otom_nor_resource),
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.resource = otom_nor_resource,
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};
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/* Standard OTOM devices */
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static struct platform_device *otom11_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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&s3c_device_rtc,
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&otom_device_nor,
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};
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static void __init otom11_map_io(void)
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{
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s3c24xx_init_io(otom11_iodesc, ARRAY_SIZE(otom11_iodesc));
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s3c24xx_init_uarts(otom11_uartcfgs, ARRAY_SIZE(otom11_uartcfgs));
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s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
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}
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static void __init otom11_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 otom11_init(void)
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{
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s3c_i2c0_set_platdata(NULL);
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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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platform_add_devices(otom11_devices, ARRAY_SIZE(otom11_devices));
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}
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MACHINE_START(OTOM, "Nex Vision - Otom 1.1")
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/* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
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.atag_offset = 0x100,
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.map_io = otom11_map_io,
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.init_machine = otom11_init,
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.init_irq = s3c2410_init_irq,
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.init_time = otom11_init_time,
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MACHINE_END
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