diff options
Diffstat (limited to 'drivers/ti/uart/aarch32/16550_console.S')
| -rw-r--r-- | drivers/ti/uart/aarch32/16550_console.S | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/drivers/ti/uart/aarch32/16550_console.S b/drivers/ti/uart/aarch32/16550_console.S index 5cd9b30cd..0429f8702 100644 --- a/drivers/ti/uart/aarch32/16550_console.S +++ b/drivers/ti/uart/aarch32/16550_console.S @@ -1,5 +1,5 @@ /* - * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -91,7 +91,7 @@ endfunc console_16550_core_init /* ------------------------------------------------------- * int console_16550_register(uintptr_t baseaddr, * uint32_t clock, uint32_t baud, - * console_16550_t *console); + * console_t *console); * Function to initialize and register a new 16550 * console. Storage passed in for the console struct * *must* be persistent (i.e. not from the stack). @@ -101,7 +101,7 @@ endfunc console_16550_core_init * In: r0 - UART register base address * r1 - UART clock in Hz * r2 - Baud rate (ignored if r1 is 0) - * r3 - pointer to empty console_16550_t struct + * r3 - pointer to empty console_t struct * Out: return 1 on success, 0 on error * Clobber list : r0, r1, r2 * ------------------------------------------------------- @@ -111,7 +111,7 @@ func console_16550_register mov r4, r3 cmp r4, #0 beq register_fail - str r0, [r4, #CONSOLE_T_16550_BASE] + str r0, [r4, #CONSOLE_T_BASE] /* A clock rate of zero means to skip the initialisation. */ cmp r1, #0 @@ -167,7 +167,7 @@ func console_16550_core_putc endfunc console_16550_core_putc /* -------------------------------------------------------- - * int console_16550_putc(int c, console_16550_t *console) + * int console_16550_putc(int c, console_t *console) * Function to output a character over the console. It * returns the character printed on success or -1 on error. * In : r0 - character to be printed @@ -181,7 +181,7 @@ func console_16550_putc cmp r1, #0 ASM_ASSERT(ne) #endif /* ENABLE_ASSERTIONS */ - ldr r1, [r1, #CONSOLE_T_16550_BASE] + ldr r1, [r1, #CONSOLE_T_BASE] b console_16550_core_putc endfunc console_16550_putc @@ -213,7 +213,7 @@ no_char: endfunc console_16550_core_getc /* --------------------------------------------- - * int console_16550_getc(console_16550_t *console) + * int console_16550_getc(console_t *console) * Function to get a character from the console. * It returns the character grabbed on success * or -1 on if no character is available. @@ -227,16 +227,16 @@ func console_16550_getc cmp r0, #0 ASM_ASSERT(ne) #endif /* ENABLE_ASSERTIONS */ - ldr r0, [r0, #CONSOLE_T_16550_BASE] + ldr r0, [r0, #CONSOLE_T_BASE] b console_16550_core_getc endfunc console_16550_getc /* --------------------------------------------- - * int console_16550_core_flush(uintptr_t base_addr) + * void console_16550_core_flush(uintptr_t base_addr) * Function to force a write of all buffered * data that hasn't been output. * In : r0 - console base address - * Out : return -1 on error else return 0. + * Out : void. * Clobber list : r0, r1 * --------------------------------------------- */ @@ -252,16 +252,15 @@ func console_16550_core_flush cmp r1, #(UARTLSR_TEMT | UARTLSR_THRE) bne 1b - mov r0, #0 bx lr endfunc console_16550_core_flush /* --------------------------------------------- - * int console_16550_flush(console_pl011_t *console) + * void console_16550_flush(console_t *console) * Function to force a write of all buffered * data that hasn't been output. * In : r0 - pointer to console_t structure - * Out : return -1 on error else return 0. + * Out : void * Clobber list : r0, r1 * --------------------------------------------- */ @@ -270,6 +269,6 @@ func console_16550_flush cmp r0, #0 ASM_ASSERT(ne) #endif /* ENABLE_ASSERTIONS */ - ldr r0, [r0, #CONSOLE_T_16550_BASE] + ldr r0, [r0, #CONSOLE_T_BASE] b console_16550_core_flush endfunc console_16550_flush |