--- a/arch/arm/mach-cns21xx/common.h +++ b/arch/arm/mach-cns21xx/common.h @@ -17,4 +17,7 @@ void cns21xx_timer_init(void); extern struct sys_timer cns21xx_timer; +int cns21xx_register_uart0(void); +int cns21xx_register_uart1(void); + #endif /* _MACH_CNS21XX_COMMON_H */ --- /dev/null +++ b/arch/arm/mach-cns21xx/devices.c @@ -0,0 +1,79 @@ +/* + * Copyright (c) 2008 Cavium Networks + * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org> + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, Version 2, as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/serial_8250.h> + +#include <mach/irqs.h> +#include <mach/hardware.h> +#include <mach/cns21xx.h> +#include <mach/cns21xx_misc.h> + +#define CNS21XX_UART_CLOCK 24000000 + +#define CNS21XX_UART_FLAGS (UPF_SKIP_TEST | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST) + +static struct plat_serial8250_port cns21xx_uart0_data[] = { + { + .mapbase = CNS21XX_UART0_BASE, + .membase = (void *) CNS21XX_UART0_BASE_VIRT, + .irq = CNS21XX_IRQ_UART0, + .uartclk = CNS21XX_UART_CLOCK, + .regshift = 2, + .iotype = UPIO_MEM, + .type = PORT_16550A, + .flags = CNS21XX_UART_FLAGS, + }, { + /* terminating entry */ + }, +}; + +static struct platform_device cns21xx_uart0_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = cns21xx_uart0_data, + }, +}; + +int __init cns21xx_register_uart0(void) +{ + return platform_device_register(&cns21xx_uart0_device); +} + +static struct plat_serial8250_port cns21xx_uart1_data[] = { + { + .mapbase = CNS21XX_UART1_BASE, + .membase = (void *) CNS21XX_UART1_BASE_VIRT, + .irq = CNS21XX_IRQ_UART1, + .uartclk = CNS21XX_UART_CLOCK, + .regshift = 2, + .iotype = UPIO_MEM, + .type = PORT_16550A, + .flags = CNS21XX_UART_FLAGS, + }, { + /* terminating entry */ + }, +}; + +static struct platform_device cns21xx_uart1_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM1, + .dev = { + .platform_data = cns21xx_uart1_data, + }, +}; + +int __init cns21xx_register_uart1(void) +{ + HAL_MISC_ENABLE_UART1_PINS(); + return platform_device_register(&cns21xx_uart1_device); +} --- a/arch/arm/mach-cns21xx/Makefile +++ b/arch/arm/mach-cns21xx/Makefile @@ -4,7 +4,7 @@ # Object file lists. -obj-y := core.o irq.o mm.o time.o idle.o +obj-y := core.o irq.o mm.o time.o idle.o devices.o # machine specific files