1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright (C) 2009 Texas Instruments 3*4882a593Smuzhiyun * Added OMAP4 support- Santosh Shilimkar <santosh.shilimkar@ti.com> 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * This program is distributed in the hope that it will be useful, 6*4882a593Smuzhiyun * but WITHOUT ANY WARRANTY; without even the implied warranty of 7*4882a593Smuzhiyun * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 8*4882a593Smuzhiyun * GNU General Public License for more details. 9*4882a593Smuzhiyun */ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #ifndef __ASM_ARCH_SERIAL_H 12*4882a593Smuzhiyun #define __ASM_ARCH_SERIAL_H 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #include <linux/init.h> 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun /* 17*4882a593Smuzhiyun * Memory entry used for the DEBUG_LL UART configuration, relative to 18*4882a593Smuzhiyun * start of RAM. See also uncompress.h and debug-macro.S. 19*4882a593Smuzhiyun * 20*4882a593Smuzhiyun * Note that using a memory location for storing the UART configuration 21*4882a593Smuzhiyun * has at least two limitations: 22*4882a593Smuzhiyun * 23*4882a593Smuzhiyun * 1. Kernel uncompress code cannot overlap OMAP_UART_INFO as the 24*4882a593Smuzhiyun * uncompress code could then partially overwrite itself 25*4882a593Smuzhiyun * 2. We assume printascii is called at least once before paging_init, 26*4882a593Smuzhiyun * and addruart has a chance to read OMAP_UART_INFO 27*4882a593Smuzhiyun */ 28*4882a593Smuzhiyun #define OMAP_UART_INFO_OFS 0x3ffc 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun #define OMAP_PORT_SHIFT 2 31*4882a593Smuzhiyun #define OMAP7XX_PORT_SHIFT 0 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun #define OMAP1510_BASE_BAUD (12000000/16) 34*4882a593Smuzhiyun #define OMAP16XX_BASE_BAUD (48000000/16) 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun /* 37*4882a593Smuzhiyun * DEBUG_LL port encoding stored into the UART1 scratchpad register by 38*4882a593Smuzhiyun * decomp_setup in uncompress.h 39*4882a593Smuzhiyun */ 40*4882a593Smuzhiyun #define OMAP1UART1 11 41*4882a593Smuzhiyun #define OMAP1UART2 12 42*4882a593Smuzhiyun #define OMAP1UART3 13 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun #ifndef __ASSEMBLER__ 45*4882a593Smuzhiyun extern void omap_serial_init(void); 46*4882a593Smuzhiyun #endif 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun #endif 49