aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-s3c2410/cpu.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-s3c2410/cpu.c')
-rw-r--r--arch/arm/mach-s3c2410/cpu.c49
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;