| 1 | --- a/arch/arm/mach-cns21xx/common.h |
| 2 | +++ b/arch/arm/mach-cns21xx/common.h |
| 3 | @@ -16,4 +16,7 @@ void cns21xx_init_irq(void); |
| 4 | |
| 5 | extern struct sys_timer cns21xx_timer; |
| 6 | |
| 7 | +int cns21xx_register_uart0(void); |
| 8 | +int cns21xx_register_uart1(void); |
| 9 | + |
| 10 | #endif /* _MACH_CNS21XX_COMMON_H */ |
| 11 | --- /dev/null |
| 12 | +++ b/arch/arm/mach-cns21xx/devices.c |
| 13 | @@ -0,0 +1,79 @@ |
| 14 | +/* |
| 15 | + * Copyright (c) 2008 Cavium Networks |
| 16 | + * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org> |
| 17 | + * |
| 18 | + * This file is free software; you can redistribute it and/or modify |
| 19 | + * it under the terms of the GNU General Public License, Version 2, as |
| 20 | + * published by the Free Software Foundation. |
| 21 | + */ |
| 22 | + |
| 23 | +#include <linux/kernel.h> |
| 24 | +#include <linux/init.h> |
| 25 | +#include <linux/platform_device.h> |
| 26 | +#include <linux/serial_8250.h> |
| 27 | + |
| 28 | +#include <mach/irqs.h> |
| 29 | +#include <mach/hardware.h> |
| 30 | +#include <mach/cns21xx.h> |
| 31 | +#include <mach/cns21xx_misc.h> |
| 32 | + |
| 33 | +#define CNS21XX_UART_CLOCK 24000000 |
| 34 | + |
| 35 | +#define CNS21XX_UART_FLAGS (UPF_SKIP_TEST | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST) |
| 36 | + |
| 37 | +static struct plat_serial8250_port cns21xx_uart0_data[] = { |
| 38 | + { |
| 39 | + .mapbase = CNS21XX_UART0_BASE, |
| 40 | + .membase = (void *) CNS21XX_UART0_BASE_VIRT, |
| 41 | + .irq = CNS21XX_IRQ_UART0, |
| 42 | + .uartclk = CNS21XX_UART_CLOCK, |
| 43 | + .regshift = 2, |
| 44 | + .iotype = UPIO_MEM, |
| 45 | + .type = PORT_16550A, |
| 46 | + .flags = CNS21XX_UART_FLAGS, |
| 47 | + }, { |
| 48 | + /* terminating entry */ |
| 49 | + }, |
| 50 | +}; |
| 51 | + |
| 52 | +static struct platform_device cns21xx_uart0_device = { |
| 53 | + .name = "serial8250", |
| 54 | + .id = PLAT8250_DEV_PLATFORM, |
| 55 | + .dev = { |
| 56 | + .platform_data = cns21xx_uart0_data, |
| 57 | + }, |
| 58 | +}; |
| 59 | + |
| 60 | +int __init cns21xx_register_uart0(void) |
| 61 | +{ |
| 62 | + return platform_device_register(&cns21xx_uart0_device); |
| 63 | +} |
| 64 | + |
| 65 | +static struct plat_serial8250_port cns21xx_uart1_data[] = { |
| 66 | + { |
| 67 | + .mapbase = CNS21XX_UART1_BASE, |
| 68 | + .membase = (void *) CNS21XX_UART1_BASE_VIRT, |
| 69 | + .irq = CNS21XX_IRQ_UART1, |
| 70 | + .uartclk = CNS21XX_UART_CLOCK, |
| 71 | + .regshift = 2, |
| 72 | + .iotype = UPIO_MEM, |
| 73 | + .type = PORT_16550A, |
| 74 | + .flags = CNS21XX_UART_FLAGS, |
| 75 | + }, { |
| 76 | + /* terminating entry */ |
| 77 | + }, |
| 78 | +}; |
| 79 | + |
| 80 | +static struct platform_device cns21xx_uart1_device = { |
| 81 | + .name = "serial8250", |
| 82 | + .id = PLAT8250_DEV_PLATFORM1, |
| 83 | + .dev = { |
| 84 | + .platform_data = cns21xx_uart1_data, |
| 85 | + }, |
| 86 | +}; |
| 87 | + |
| 88 | +int __init cns21xx_register_uart1(void) |
| 89 | +{ |
| 90 | + HAL_MISC_ENABLE_UART1_PINS(); |
| 91 | + return platform_device_register(&cns21xx_uart1_device); |
| 92 | +} |
| 93 | --- a/arch/arm/mach-cns21xx/Makefile |
| 94 | +++ b/arch/arm/mach-cns21xx/Makefile |
| 95 | @@ -4,7 +4,7 @@ |
| 96 | |
| 97 | # Object file lists. |
| 98 | |
| 99 | -obj-y := core.o irq.o mm.o time.o |
| 100 | +obj-y := core.o devices.o irq.o mm.o time.o |
| 101 | |
| 102 | # machine specific files |
| 103 | |
| 104 | |