diff options
Diffstat (limited to 'drivers/ti/uart/aarch64/16550_console.S')
| -rw-r--r-- | drivers/ti/uart/aarch64/16550_console.S | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/drivers/ti/uart/aarch64/16550_console.S b/drivers/ti/uart/aarch64/16550_console.S index 80c1b8646..cb2151253 100644 --- a/drivers/ti/uart/aarch64/16550_console.S +++ b/drivers/ti/uart/aarch64/16550_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 */ @@ -88,7 +88,7 @@ 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). @@ -98,7 +98,7 @@ endfunc console_16550_core_init * In: x0 - UART register base address * w1 - UART clock in Hz * w2 - Baud rate (ignored if w1 is 0) - * x3 - pointer to empty console_16550_t struct + * x3 - pointer to empty console_t struct * Out: return 1 on success, 0 on error * Clobber list : x0, x1, x2, x6, x7, x14 * ----------------------------------------------- @@ -107,7 +107,7 @@ func console_16550_register mov x7, x30 mov x6, x3 cbz x6, register_fail - str x0, [x6, #CONSOLE_T_16550_BASE] + str x0, [x6, #CONSOLE_T_BASE] /* A clock rate of zero means to skip the initialisation. */ cbz w1, register_16550 @@ -161,7 +161,7 @@ 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 : w0 - character to be printed @@ -175,7 +175,7 @@ func console_16550_putc cmp x1, #0 ASM_ASSERT(ne) #endif /* ENABLE_ASSERTIONS */ - ldr x1, [x1, #CONSOLE_T_16550_BASE] + ldr x1, [x1, #CONSOLE_T_BASE] b console_16550_core_putc endfunc console_16550_putc @@ -206,7 +206,7 @@ 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. @@ -220,16 +220,16 @@ func console_16550_getc cmp x1, #0 ASM_ASSERT(ne) #endif /* ENABLE_ASSERTIONS */ - ldr x0, [x0, #CONSOLE_T_16550_BASE] + ldr x0, [x0, #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 : x0 - console base address - * Out : return -1 on error else return 0. + * Out : void. * Clobber list : x0, x1 * --------------------------------------------- */ @@ -245,16 +245,15 @@ func console_16550_core_flush cmp w1, #(UARTLSR_TEMT | UARTLSR_THRE) b.ne 1b - mov w0, #0 ret 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 : x0 - pointer to console_t structure - * Out : return -1 on error else return 0. + * Out : void. * Clobber list : x0, x1 * --------------------------------------------- */ @@ -263,6 +262,6 @@ func console_16550_flush cmp x0, #0 ASM_ASSERT(ne) #endif /* ENABLE_ASSERTIONS */ - ldr x0, [x0, #CONSOLE_T_16550_BASE] + ldr x0, [x0, #CONSOLE_T_BASE] b console_16550_core_flush endfunc console_16550_flush |