From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/plat-mxc/include/mach/debug-macro.S | 72 ++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 arch/arm/plat-mxc/include/mach/debug-macro.S (limited to 'arch/arm/plat-mxc/include/mach/debug-macro.S') diff --git a/arch/arm/plat-mxc/include/mach/debug-macro.S b/arch/arm/plat-mxc/include/mach/debug-macro.S new file mode 100644 index 00000000..e19086cc --- /dev/null +++ b/arch/arm/plat-mxc/include/mach/debug-macro.S @@ -0,0 +1,72 @@ +/* arch/arm/mach-imx/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 + +#ifdef CONFIG_ARCH_MX1 +#define UART_PADDR MX1_UART1_BASE_ADDR +#endif + +#ifdef CONFIG_ARCH_MX25 +#ifdef UART_PADDR +#error "CONFIG_DEBUG_LL is incompatible with multiple archs" +#endif +#define UART_PADDR MX25_UART1_BASE_ADDR +#endif + +#ifdef CONFIG_ARCH_MX2 +#ifdef UART_PADDR +#error "CONFIG_DEBUG_LL is incompatible with multiple archs" +#endif +#define UART_PADDR MX2x_UART1_BASE_ADDR +#endif + +#ifdef CONFIG_ARCH_MX3 +#ifdef UART_PADDR +#error "CONFIG_DEBUG_LL is incompatible with multiple archs" +#endif +#define UART_PADDR MX3x_UART1_BASE_ADDR +#endif + +#ifdef CONFIG_ARCH_MX5 +#ifdef UART_PADDR +#error "CONFIG_DEBUG_LL is incompatible with multiple archs" +#endif +#define UART_PADDR MX51_UART1_BASE_ADDR +#endif + +#ifdef CONFIG_ARCH_MX6Q +#ifdef UART_PADDR +#error "CONFIG_DEBUG_LL is incompatible with multiple archs" +#endif +#define UART_PADDR MX6Q_UART4_BASE_ADDR +#endif + +#define UART_VADDR IMX_IO_ADDRESS(UART_PADDR) + + .macro addruart, rp, rv + ldr \rp, =UART_PADDR @ physical + ldr \rv, =UART_VADDR @ virtual + .endm + + .macro senduart,rd,rx + str \rd, [\rx, #0x40] @ TXDATA + .endm + + .macro waituart,rd,rx + .endm + + .macro busyuart,rd,rx +1002: ldr \rd, [\rx, #0x98] @ SR2 + tst \rd, #1 << 3 @ TXDC + beq 1002b @ wait until transmit done + .endm -- cgit v1.2.3