1 files changed, 117 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/plat/serial.h b/arch/arm/plat-omap/include/plat/serial.h
new file mode 100644
index 00000000..2723f916
--- /dev/null
+++ b/arch/arm/plat-omap/include/plat/serial.h
@@ -0,0 +1,117 @@
+/*
+ * arch/arm/plat-omap/include/mach/serial.h
+ *
+ * Copyright (C) 2009 Texas Instruments
+ * Addded OMAP4 support- Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __ASM_ARCH_SERIAL_H
+#define __ASM_ARCH_SERIAL_H
+
+#include <linux/init.h>
+
+/*
+ * Memory entry used for the DEBUG_LL UART configuration. See also
+ * uncompress.h and debug-macro.S.
+ *
+ * Note that using a memory location for storing the UART configuration
+ * has at least two limitations:
+ *
+ * 1. Kernel uncompress code cannot overlap OMAP_UART_INFO as the
+ *    uncompress code could then partially overwrite itself
+ * 2. We assume printascii is called at least once before paging_init,
+ *    and addruart has a chance to read OMAP_UART_INFO
+ */
+#define OMAP_UART_INFO		(PLAT_PHYS_OFFSET + 0x3ffc)
+
+/* OMAP1 serial ports */
+#define OMAP1_UART1_BASE	0xfffb0000
+#define OMAP1_UART2_BASE	0xfffb0800
+#define OMAP1_UART3_BASE	0xfffb9800
+
+/* OMAP2 serial ports */
+#define OMAP2_UART1_BASE	0x4806a000
+#define OMAP2_UART2_BASE	0x4806c000
+#define OMAP2_UART3_BASE	0x4806e000
+
+/* OMAP3 serial ports */
+#define OMAP3_UART1_BASE	OMAP2_UART1_BASE
+#define OMAP3_UART2_BASE	OMAP2_UART2_BASE
+#define OMAP3_UART3_BASE	0x49020000
+#define OMAP3_UART4_BASE	0x49042000	/* Only on 36xx */
+
+/* OMAP4 serial ports */
+#define OMAP4_UART1_BASE	OMAP2_UART1_BASE
+#define OMAP4_UART2_BASE	OMAP2_UART2_BASE
+#define OMAP4_UART3_BASE	0x48020000
+#define OMAP4_UART4_BASE	0x4806e000
+
+/* TI816X serial ports */
+#define TI816X_UART1_BASE	0x48020000
+#define TI816X_UART2_BASE	0x48022000
+#define TI816X_UART3_BASE	0x48024000
+
+/* External port on Zoom2/3 */
+#define ZOOM_UART_BASE		0x10000000
+#define ZOOM_UART_VIRT		0xfa400000
+
+#define OMAP_PORT_SHIFT		2
+#define OMAP7XX_PORT_SHIFT	0
+#define ZOOM_PORT_SHIFT		1
+
+#define OMAP1510_BASE_BAUD	(12000000/16)
+#define OMAP16XX_BASE_BAUD	(48000000/16)
+#define OMAP24XX_BASE_BAUD	(48000000/16)
+
+/*
+ * DEBUG_LL port encoding stored into the UART1 scratchpad register by
+ * decomp_setup in uncompress.h
+ */
+#define OMAP1UART1		11
+#define OMAP1UART2		12
+#define OMAP1UART3		13
+#define OMAP2UART1		21
+#define OMAP2UART2		22
+#define OMAP2UART3		23
+#define OMAP3UART1		OMAP2UART1
+#define OMAP3UART2		OMAP2UART2
+#define OMAP3UART3		33
+#define OMAP3UART4		34		/* Only on 36xx */
+#define OMAP4UART1		OMAP2UART1
+#define OMAP4UART2		OMAP2UART2
+#define OMAP4UART3		43
+#define OMAP4UART4		44
+#define TI816XUART1		81
+#define TI816XUART2		82
+#define TI816XUART3		83
+#define ZOOM_UART		95		/* Only on zoom2/3 */
+
+/* This is only used by 8250.c for omap1510 */
+#define is_omap_port(pt)	({int __ret = 0;			\
+			if ((pt)->port.mapbase == OMAP1_UART1_BASE ||	\
+			    (pt)->port.mapbase == OMAP1_UART2_BASE ||	\
+			    (pt)->port.mapbase == OMAP1_UART3_BASE)	\
+				__ret = 1;				\
+			__ret;						\
+			})
+
+#ifndef __ASSEMBLER__
+
+struct omap_board_data;
+
+extern void omap_serial_init(void);
+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);
+extern void omap_uart_prepare_idle(int num);
+extern void omap_uart_resume_idle(int num);
+extern void omap_uart_enable_irqs(int enable);
+#endif
+
+#endif