1 /* 2 * Copyright (C) 2009 Texas Instruments 3 * Added OMAP4 support- Santosh Shilimkar <santosh.shilimkar@ti.com> 4 * 5 * This program is distributed in the hope that it will be useful, 6 * but WITHOUT ANY WARRANTY; without even the implied warranty of 7 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 8 * GNU General Public License for more details. 9 */ 10 11 #ifndef __ASM_ARCH_SERIAL_H 12 #define __ASM_ARCH_SERIAL_H 13 14 #include <linux/init.h> 15 16 /* 17 * Memory entry used for the DEBUG_LL UART configuration, relative to 18 * start of RAM. See also uncompress.h and debug-macro.S. 19 * 20 * Note that using a memory location for storing the UART configuration 21 * has at least two limitations: 22 * 23 * 1. Kernel uncompress code cannot overlap OMAP_UART_INFO as the 24 * uncompress code could then partially overwrite itself 25 * 2. We assume printascii is called at least once before paging_init, 26 * and addruart has a chance to read OMAP_UART_INFO 27 */ 28 #define OMAP_UART_INFO_OFS 0x3ffc 29 30 #define OMAP_PORT_SHIFT 2 31 #define OMAP7XX_PORT_SHIFT 0 32 33 #define OMAP1510_BASE_BAUD (12000000/16) 34 #define OMAP16XX_BASE_BAUD (48000000/16) 35 36 /* 37 * DEBUG_LL port encoding stored into the UART1 scratchpad register by 38 * decomp_setup in uncompress.h 39 */ 40 #define OMAP1UART1 11 41 #define OMAP1UART2 12 42 #define OMAP1UART3 13 43 44 #ifndef __ASSEMBLER__ 45 extern void omap_serial_init(void); 46 #endif 47 48 #endif 49
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