1*7036440eSArnd Bergmann /* 2*7036440eSArnd Bergmann * Copyright (C) 2009 Texas Instruments 3*7036440eSArnd Bergmann * Added OMAP4 support- Santosh Shilimkar <santosh.shilimkar@ti.com> 4*7036440eSArnd Bergmann * 5*7036440eSArnd Bergmann * This program is distributed in the hope that it will be useful, 6*7036440eSArnd Bergmann * but WITHOUT ANY WARRANTY; without even the implied warranty of 7*7036440eSArnd Bergmann * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 8*7036440eSArnd Bergmann * GNU General Public License for more details. 9*7036440eSArnd Bergmann */ 10*7036440eSArnd Bergmann 11*7036440eSArnd Bergmann #ifndef __ASM_ARCH_SERIAL_H 12*7036440eSArnd Bergmann #define __ASM_ARCH_SERIAL_H 13*7036440eSArnd Bergmann 14*7036440eSArnd Bergmann #include <linux/init.h> 15*7036440eSArnd Bergmann 16*7036440eSArnd Bergmann /* 17*7036440eSArnd Bergmann * Memory entry used for the DEBUG_LL UART configuration, relative to 18*7036440eSArnd Bergmann * start of RAM. See also uncompress.h and debug-macro.S. 19*7036440eSArnd Bergmann * 20*7036440eSArnd Bergmann * Note that using a memory location for storing the UART configuration 21*7036440eSArnd Bergmann * has at least two limitations: 22*7036440eSArnd Bergmann * 23*7036440eSArnd Bergmann * 1. Kernel uncompress code cannot overlap OMAP_UART_INFO as the 24*7036440eSArnd Bergmann * uncompress code could then partially overwrite itself 25*7036440eSArnd Bergmann * 2. We assume printascii is called at least once before paging_init, 26*7036440eSArnd Bergmann * and addruart has a chance to read OMAP_UART_INFO 27*7036440eSArnd Bergmann */ 28*7036440eSArnd Bergmann #define OMAP_UART_INFO_OFS 0x3ffc 29*7036440eSArnd Bergmann 30*7036440eSArnd Bergmann #define OMAP_PORT_SHIFT 2 31*7036440eSArnd Bergmann #define OMAP7XX_PORT_SHIFT 0 32*7036440eSArnd Bergmann 33*7036440eSArnd Bergmann #define OMAP1510_BASE_BAUD (12000000/16) 34*7036440eSArnd Bergmann #define OMAP16XX_BASE_BAUD (48000000/16) 35*7036440eSArnd Bergmann 36*7036440eSArnd Bergmann /* 37*7036440eSArnd Bergmann * DEBUG_LL port encoding stored into the UART1 scratchpad register by 38*7036440eSArnd Bergmann * decomp_setup in uncompress.h 39*7036440eSArnd Bergmann */ 40*7036440eSArnd Bergmann #define OMAP1UART1 11 41*7036440eSArnd Bergmann #define OMAP1UART2 12 42*7036440eSArnd Bergmann #define OMAP1UART3 13 43*7036440eSArnd Bergmann 44*7036440eSArnd Bergmann #ifndef __ASSEMBLER__ 45*7036440eSArnd Bergmann extern void omap_serial_init(void); 46*7036440eSArnd Bergmann #endif 47*7036440eSArnd Bergmann 48*7036440eSArnd Bergmann #endif 49