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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
160 lines
3.8 KiB
C
160 lines
3.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
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//
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// Copyright (c) 2006 Simtec Electronics
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// Ben Dooks <ben@simtec.co.uk>
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//
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// Thanks to Dimity Andric (TomTom) and Steven Ryu (Samsung) for the
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// loans of SMDK2413 to work with.
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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/gpio.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/memblock.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/hardware/iomd.h>
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#include <asm/setup.h>
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#include <asm/irq.h>
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#include <asm/mach-types.h>
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//#include <asm/debug-ll.h>
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#include "hardware-s3c24xx.h"
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#include "regs-gpio.h"
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#include <linux/platform_data/usb-s3c2410_udc.h>
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#include <linux/platform_data/i2c-s3c2410.h>
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#include <linux/platform_data/fb-s3c2410.h>
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#include "gpio-samsung.h"
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#include "gpio-cfg.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 smdk2413_iodesc[] __initdata = {
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};
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static struct s3c2410_uartcfg smdk2413_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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/* IR port */
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[2] = {
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.hwport = 2,
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.flags = 0,
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.ucon = 0x3c5,
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.ulcon = 0x43,
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.ufcon = 0x51,
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}
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};
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static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
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.pullup_pin = S3C2410_GPF(2),
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};
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static struct platform_device *smdk2413_devices[] __initdata = {
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&s3c_device_ohci,
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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_usbgadget,
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&s3c2412_device_dma,
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};
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static void __init smdk2413_fixup(struct tag *tags, char **cmdline)
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{
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if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
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memblock_add(0x30000000, SZ_64M);
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}
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}
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static void __init smdk2413_map_io(void)
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{
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s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
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s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
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s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
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}
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static void __init smdk2413_init_time(void)
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{
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s3c2412_init_clocks(12000000);
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s3c24xx_timer_init();
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}
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static void __init smdk2413_machine_init(void)
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{ /* Turn off suspend on both USB ports, and switch the
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* selectable USB port to USB device mode. */
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s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
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S3C2410_MISCCR_USBSUSPND0 |
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S3C2410_MISCCR_USBSUSPND1, 0x0);
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s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
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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(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
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smdk_machine_init();
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}
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MACHINE_START(S3C2413, "S3C2413")
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/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
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.atag_offset = 0x100,
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.fixup = smdk2413_fixup,
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.init_irq = s3c2412_init_irq,
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.map_io = smdk2413_map_io,
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.init_machine = smdk2413_machine_init,
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.init_time = s3c24xx_timer_init,
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MACHINE_END
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MACHINE_START(SMDK2412, "SMDK2412")
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/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
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.atag_offset = 0x100,
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.fixup = smdk2413_fixup,
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.init_irq = s3c2412_init_irq,
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.map_io = smdk2413_map_io,
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.init_machine = smdk2413_machine_init,
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.init_time = s3c24xx_timer_init,
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MACHINE_END
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MACHINE_START(SMDK2413, "SMDK2413")
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/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
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.atag_offset = 0x100,
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.fixup = smdk2413_fixup,
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.init_irq = s3c2412_init_irq,
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.map_io = smdk2413_map_io,
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.init_machine = smdk2413_machine_init,
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.init_time = smdk2413_init_time,
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MACHINE_END
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