diff options
Diffstat (limited to 'arch/arm/mach-s3c2410/cpu.c')
-rw-r--r-- | arch/arm/mach-s3c2410/cpu.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2410/cpu.c b/arch/arm/mach-s3c2410/cpu.c index 987d34c9ea9..acc58adfbd2 100644 --- a/arch/arm/mach-s3c2410/cpu.c +++ b/arch/arm/mach-s3c2410/cpu.c @@ -37,8 +37,10 @@ #include <asm/mach/map.h> #include <asm/arch/regs-gpio.h> +#include <asm/arch/regs-serial.h> #include "cpu.h" +#include "devs.h" #include "clock.h" #include "s3c2400.h" #include "s3c2410.h" @@ -208,6 +210,49 @@ void __init s3c24xx_init_clocks(int xtal) (cpu->init_clocks)(xtal); } +/* uart management */ + +static int nr_uarts __initdata = 0; + +static struct s3c2410_uartcfg uart_cfgs[3]; + +/* s3c24xx_init_uartdevs + * + * copy the specified platform data and configuration into our central + * set of devices, before the data is thrown away after the init process. + * + * This also fills in the array passed to the serial driver for the + * early initialisation of the console. +*/ + +void __init s3c24xx_init_uartdevs(char *name, + struct s3c24xx_uart_resources *res, + struct s3c2410_uartcfg *cfg, int no) +{ + struct platform_device *platdev; + struct s3c2410_uartcfg *cfgptr = uart_cfgs; + struct s3c24xx_uart_resources *resp; + int uart; + + memcpy(cfgptr, cfg, sizeof(struct s3c2410_uartcfg) * no); + + for (uart = 0; uart < no; uart++, cfg++, cfgptr++) { + platdev = s3c24xx_uart_src[cfgptr->hwport]; + + resp = res + cfgptr->hwport; + + s3c24xx_uart_devs[uart] = platdev; + + platdev->name = name; + platdev->resource = resp->resources; + platdev->num_resources = resp->nr_resources; + + platdev->dev.platform_data = cfgptr; + } + + nr_uarts = no; +} + void __init s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no) { if (cpu == NULL) @@ -232,6 +277,10 @@ static int __init s3c_arch_init(void) if (ret != 0) return ret; + ret = platform_add_devices(s3c24xx_uart_devs, nr_uarts); + if (ret != 0) + return ret; + if (board != NULL) { struct platform_device **ptr = board->devices; int i; |