| Server IP : 79.136.114.73 / Your IP : 3.139.234.66 Web Server : Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.29 OpenSSL/1.0.1f System : Linux b8009 3.13.0-170-generic #220-Ubuntu SMP Thu May 9 12:40:49 UTC 2019 x86_64 User : www-data ( 33) PHP Version : 5.5.9-1ubuntu4.29 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, MySQL : ON | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /lib/modules/3.13.0-170-generic/build/arch/arm/mach-omap1/include/mach/ |
Upload File : |
/* arch/arm/mach-omap1/include/mach/debug-macro.S * * Debugging macro include header * * Copyright (C) 1994-1999 Russell King * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * */ #include <linux/serial_reg.h> #include "serial.h" .pushsection .data omap_uart_phys: .word 0x0 omap_uart_virt: .word 0x0 .popsection /* * Note that this code won't work if the bootloader passes * a wrong machine ID number in r1. To debug, just hardcode * the desired UART phys and virt addresses temporarily into * the omap_uart_phys and omap_uart_virt above. */ .macro addruart, rp, rv, tmp /* Use omap_uart_phys/virt if already configured */ 9: adr \rp, 99f @ get effective addr of 99f ldr \rv, [\rp] @ get absolute addr of 99f sub \rv, \rv, \rp @ offset between the two ldr \rp, [\rp, #4] @ abs addr of omap_uart_phys sub \tmp, \rp, \rv @ make it effective ldr \rp, [\tmp, #0] @ omap_uart_phys ldr \rv, [\tmp, #4] @ omap_uart_virt cmp \rp, #0 @ is port configured? cmpne \rv, #0 bne 100f @ already configured /* Check the debug UART configuration set in uncompress.h */ and \rp, pc, #0xff000000 ldr \rv, =OMAP_UART_INFO_OFS ldr \rp, [\rp, \rv] /* Select the UART to use based on the UART1 scratchpad value */ 10: cmp \rp, #0 @ no port configured? beq 11f @ if none, try to use UART1 cmp \rp, #OMAP1UART1 beq 11f @ configure OMAP1UART1 cmp \rp, #OMAP1UART2 beq 12f @ configure OMAP1UART2 cmp \rp, #OMAP1UART3 beq 13f @ configure OMAP2UART3 /* Configure the UART offset from the phys/virt base */ 11: mov \rp, #0x00fb0000 @ OMAP1UART1 b 98f 12: mov \rp, #0x00fb0000 @ OMAP1UART1 orr \rp, \rp, #0x00000800 @ OMAP1UART2 b 98f 13: mov \rp, #0x00fb0000 @ OMAP1UART1 orr \rp, \rp, #0x00000800 @ OMAP1UART2 orr \rp, \rp, #0x00009000 @ OMAP1UART3 /* Store both phys and virt address for the uart */ 98: add \rp, \rp, #0xff000000 @ phys base str \rp, [\tmp, #0] @ omap_uart_phys sub \rp, \rp, #0xff000000 @ phys base add \rp, \rp, #0xfe000000 @ virt base str \rp, [\tmp, #4] @ omap_uart_virt b 9b .align 99: .word . .word omap_uart_phys .ltorg 100: .endm .macro senduart,rd,rx strb \rd, [\rx] .endm .macro busyuart,rd,rx 1001: ldrb \rd, [\rx, #(UART_LSR << OMAP_PORT_SHIFT)] and \rd, \rd, #(UART_LSR_TEMT | UART_LSR_THRE) teq \rd, #(UART_LSR_TEMT | UART_LSR_THRE) beq 1002f ldrb \rd, [\rx, #(UART_LSR << OMAP7XX_PORT_SHIFT)] and \rd, \rd, #(UART_LSR_TEMT | UART_LSR_THRE) teq \rd, #(UART_LSR_TEMT | UART_LSR_THRE) bne 1001b 1002: .endm .macro waituart,rd,rx .endm