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-rw-r--r--arch/arm/mach-omap2/mux.h14
-rw-r--r--arch/arm/mach-omap2/serial.c28
-rw-r--r--arch/arm/plat-omap/include/plat/serial.h5
3 files changed, 38 insertions, 9 deletions
diff --git a/arch/arm/mach-omap2/mux.h b/arch/arm/mach-omap2/mux.h
index c9ec50de99c..a4ab17a737a 100644
--- a/arch/arm/mach-omap2/mux.h
+++ b/arch/arm/mach-omap2/mux.h
@@ -87,6 +87,20 @@
#define OMAP_MUX_GPIO_IN_MODE3 (1 << 1)
/**
+ * struct omap_board_data - board specific device data
+ * @id: instance id
+ * @flags: additional flags for platform init code
+ * @pads: array of device specific pads
+ * @pads_cnt: ARRAY_SIZE() of pads
+ */
+struct omap_board_data {
+ int id;
+ u32 flags;
+ struct omap_device_pad *pads;
+ int pads_cnt;
+};
+
+/**
* struct mux_partition - contain partition related information
* @name: name of the current partition
* @flags: flags specific to this partition
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index c8740ba4fba..c64578853a8 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -45,6 +45,7 @@
#include "cm2xxx_3xxx.h"
#include "prm-regbits-34xx.h"
#include "control.h"
+#include "mux.h"
#define UART_OMAP_NO_EMPTY_FIFO_READ_IP_REV 0x52
#define UART_OMAP_WER 0x17 /* Wake-up enable register */
@@ -694,16 +695,16 @@ void __init omap_serial_early_init(void)
/**
* omap_serial_init_port() - initialize single serial port
- * @port: serial port number (0-3)
+ * @bdata: port specific board data pointer
*
- * This function initialies serial driver for given @port only.
+ * This function initialies serial driver for given port only.
* Platforms can call this function instead of omap_serial_init()
* if they don't plan to use all available UARTs as serial ports.
*
* Don't mix calls to omap_serial_init_port() and omap_serial_init(),
* use only one of the two.
*/
-void __init omap_serial_init_port(int port)
+void __init omap_serial_init_port(struct omap_board_data *bdata)
{
struct omap_uart_state *uart;
struct omap_hwmod *oh;
@@ -721,13 +722,15 @@ void __init omap_serial_init_port(int port)
struct omap_uart_port_info omap_up;
#endif
- if (WARN_ON(port < 0))
+ if (WARN_ON(!bdata))
return;
- if (WARN_ON(port >= num_uarts))
+ if (WARN_ON(bdata->id < 0))
+ return;
+ if (WARN_ON(bdata->id >= num_uarts))
return;
list_for_each_entry(uart, &uart_list, node)
- if (port == uart->num)
+ if (bdata->id == uart->num)
break;
oh = uart->oh;
@@ -799,6 +802,8 @@ void __init omap_serial_init_port(int port)
WARN(IS_ERR(od), "Could not build omap_device for %s: %s.\n",
name, oh->name);
+ oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt);
+
uart->irq = oh->mpu_irqs[0].irq;
uart->regshift = 2;
uart->mapbase = oh->slaves[0]->addr->pa_start;
@@ -856,7 +861,14 @@ void __init omap_serial_init_port(int port)
void __init omap_serial_init(void)
{
struct omap_uart_state *uart;
+ struct omap_board_data bdata;
- list_for_each_entry(uart, &uart_list, node)
- omap_serial_init_port(uart->num);
+ list_for_each_entry(uart, &uart_list, node) {
+ bdata.id = uart->num;
+ bdata.flags = 0;
+ bdata.pads = NULL;
+ bdata.pads_cnt = 0;
+ omap_serial_init_port(&bdata);
+
+ }
}
diff --git a/arch/arm/plat-omap/include/plat/serial.h b/arch/arm/plat-omap/include/plat/serial.h
index 19145f5c32b..cec5d56db2e 100644
--- a/arch/arm/plat-omap/include/plat/serial.h
+++ b/arch/arm/plat-omap/include/plat/serial.h
@@ -93,9 +93,12 @@
})
#ifndef __ASSEMBLER__
+
+struct omap_board_data;
+
extern void __init omap_serial_early_init(void);
extern void omap_serial_init(void);
-extern void omap_serial_init_port(int port);
+extern void omap_serial_init_port(struct omap_board_data *bdata);
extern int omap_uart_can_sleep(void);
extern void omap_uart_check_wakeup(void);
extern void omap_uart_prepare_suspend(void);