/* * arch/arm/include/debug/sti.S * * Debugging macro include header * Copyright (C) 2013 STMicroelectronics (R&D) Limited. * * 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. */ #define STIH41X_COMMS_BASE              0xfed00000#define STIH41X_ASC2_BASE               (STIH41X_COMMS_BASE+0x32000) #define STIH41X_SBC_LPM_BASE            0xfe400000#define STIH41X_SBC_COMMS_BASE          (STIH41X_SBC_LPM_BASE + 0x100000)#define STIH41X_SBC_ASC1_BASE           (STIH41X_SBC_COMMS_BASE + 0x31000)  #define VIRT_ADDRESS(x)		(x - 0x1000000) #if IS_ENABLED(CONFIG_STIH41X_DEBUG_ASC2)#define DEBUG_LL_UART_BASE	STIH41X_ASC2_BASE#endif #if IS_ENABLED(CONFIG_STIH41X_DEBUG_SBC_ASC1)#define DEBUG_LL_UART_BASE	STIH41X_SBC_ASC1_BASE#endif #ifndef DEBUG_LL_UART_BASE#error "DEBUG UART is not Configured"#endif #define ASC_TX_BUF_OFF  0x04#define ASC_CTRL_OFF    0x0c#define ASC_STA_OFF     0x14 #define ASC_STA_TX_FULL         (1<<9)#define ASC_STA_TX_EMPTY        (1<<1)  		.macro	addruart, rp, rv, tmp		ldr	\rp,      =DEBUG_LL_UART_BASE	@ physical base		ldr	\rv,      =VIRT_ADDRESS(DEBUG_LL_UART_BASE) @ virt base		.endm                 .macro  senduart,rd,rx                strb    \rd, [\rx, #ASC_TX_BUF_OFF]                .endm                 .macro  waituart,rd,rx1001:           ldr     \rd, [\rx, #ASC_STA_OFF]                tst     \rd, #ASC_STA_TX_FULL                bne     1001b                .endm                 .macro  busyuart,rd,rx1001:           ldr     \rd, [\rx, #ASC_STA_OFF]                tst     \rd, #ASC_STA_TX_EMPTY                beq     1001b                .endm