diff options
Diffstat (limited to 'arch/arm/mach-omap/include/mach/debug_ll.h')
-rw-r--r-- | arch/arm/mach-omap/include/mach/debug_ll.h | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/arch/arm/mach-omap/include/mach/debug_ll.h b/arch/arm/mach-omap/include/mach/debug_ll.h deleted file mode 100644 index 25ddd485be..0000000000 --- a/arch/arm/mach-omap/include/mach/debug_ll.h +++ /dev/null @@ -1,80 +0,0 @@ -/* - * Copyright (C) 2011 - * Author: Jan Weitzel <j.weitzel@phytec.de> - * based on arch/arm/mach-versatile/include/mach/debug_ll.h - * - * barebox is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. - * - * barebox 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. - */ - -#ifndef __MACH_DEBUG_LL_H__ -#define __MACH_DEBUG_LL_H__ - -#include <io.h> -#include <mach/omap3-silicon.h> -#include <mach/omap4-silicon.h> -#include <mach/am33xx-silicon.h> - -#define LSR_THRE 0x20 /* Xmit holding register empty */ -#define LCR_BKSE 0x80 /* Bank select enable */ -#define LSR (5 << 2) -#define THR (0 << 2) -#define DLL (0 << 2) -#define IER (1 << 2) -#define DLM (1 << 2) -#define FCR (2 << 2) -#define LCR (3 << 2) -#define MCR (4 << 2) -#define MDR (8 << 2) - -static inline void omap_uart_lowlevel_init(void __iomem *base) -{ - writeb(0x00, base + LCR); - writeb(0x00, base + IER); - writeb(0x07, base + MDR); - writeb(LCR_BKSE, base + LCR); - writeb(26, base + DLL); /* 115200 */ - writeb(0, base + DLM); - writeb(0x03, base + LCR); - writeb(0x03, base + MCR); - writeb(0x07, base + FCR); - writeb(0x00, base + MDR); -} - -#ifdef CONFIG_DEBUG_LL - -#ifdef CONFIG_DEBUG_OMAP3_UART -#define OMAP_DEBUG_SOC OMAP3 -#elif defined CONFIG_DEBUG_OMAP4_UART -#define OMAP_DEBUG_SOC OMAP44XX -#elif defined CONFIG_DEBUG_AM33XX_UART -#define OMAP_DEBUG_SOC AM33XX -#else -#error "unknown OMAP debug uart soc type" -#endif - -#define __OMAP_UART_BASE(soc, num) soc##_UART##num##_BASE -#define OMAP_UART_BASE(soc, num) __OMAP_UART_BASE(soc, num) - -static inline void PUTC_LL(char c) -{ - void __iomem *base = (void *)OMAP_UART_BASE(OMAP_DEBUG_SOC, - CONFIG_DEBUG_OMAP_UART_PORT); - - /* Wait until there is space in the FIFO */ - while ((readb(base + LSR) & LSR_THRE) == 0); - /* Send the character */ - writeb(c, base + THR); - /* Wait to make sure it hits the line, in case we die too soon. */ - while ((readb(base + LSR) & LSR_THRE) == 0); -} -#endif - -#endif |