diff options
Diffstat (limited to 'arch/arm/mach-omap2/include/mach/serial.h')
| -rw-r--r-- | arch/arm/mach-omap2/include/mach/serial.h | 103 | 
1 files changed, 103 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/include/mach/serial.h b/arch/arm/mach-omap2/include/mach/serial.h new file mode 100644 index 00000000000..70eda00db7a --- /dev/null +++ b/arch/arm/mach-omap2/include/mach/serial.h @@ -0,0 +1,103 @@ +/* + * Copyright (C) 2009 Texas Instruments + * Added 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. + */ + +/* + * Memory entry used for the DEBUG_LL UART configuration, relative to + * start of RAM. 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_OFS	0x3ffc + +/* 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 */ +#define OMAP3_UART4_AM35XX_BASE	0x4809E000	/* Only on AM35xx */ + +/* 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 + +/* TI81XX serial ports */ +#define TI81XX_UART1_BASE	0x48020000 +#define TI81XX_UART2_BASE	0x48022000 +#define TI81XX_UART3_BASE	0x48024000 + +/* AM3505/3517 UART4 */ +#define AM35XX_UART4_BASE	0x4809E000	/* Only on AM3505/3517 */ + +/* AM33XX serial port */ +#define AM33XX_UART1_BASE	0x44E09000 + +/* OMAP5 serial ports */ +#define OMAP5_UART1_BASE	OMAP2_UART1_BASE +#define OMAP5_UART2_BASE	OMAP2_UART2_BASE +#define OMAP5_UART3_BASE	OMAP4_UART3_BASE +#define OMAP5_UART4_BASE	OMAP4_UART4_BASE +#define OMAP5_UART5_BASE	0x48066000 +#define OMAP5_UART6_BASE	0x48068000 + +/* External port on Zoom2/3 */ +#define ZOOM_UART_BASE		0x10000000 +#define ZOOM_UART_VIRT		0xfa400000 + +#define OMAP_PORT_SHIFT		2 +#define ZOOM_PORT_SHIFT		1 + +#define OMAP24XX_BASE_BAUD	(48000000/16) + +/* + * DEBUG_LL port encoding stored into the UART1 scratchpad register by + * decomp_setup in uncompress.h + */ +#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 TI81XXUART1		81 +#define TI81XXUART2		82 +#define TI81XXUART3		83 +#define AM33XXUART1		84 +#define OMAP5UART3		OMAP4UART3 +#define OMAP5UART4		OMAP4UART4 +#define ZOOM_UART		95		/* Only on zoom2/3 */ + +#ifndef __ASSEMBLER__ + +struct omap_board_data; +struct omap_uart_port_info; + +extern void omap_serial_init(void); +extern void omap_serial_board_init(struct omap_uart_port_info *platform_data); +extern void omap_serial_init_port(struct omap_board_data *bdata, +		struct omap_uart_port_info *platform_data); +#endif  |