diff options
Diffstat (limited to 'drivers/amlogic/console/aarch64/meson_console.S')
-rw-r--r-- | drivers/amlogic/console/aarch64/meson_console.S | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/drivers/amlogic/console/aarch64/meson_console.S b/drivers/amlogic/console/aarch64/meson_console.S index e645cbab8..6d0a2d62e 100644 --- a/drivers/amlogic/console/aarch64/meson_console.S +++ b/drivers/amlogic/console/aarch64/meson_console.S @@ -1,5 +1,5 @@ /* - * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -46,14 +46,14 @@ /* ----------------------------------------------- * int console_meson_register(uintptr_t base, * uint32_t clk, uint32_t baud, - * console_meson_t *console); + * console_t *console); * Function to initialize and register a new MESON * console. Storage passed in for the console struct * *must* be persistent (i.e. not from the stack). * In: x0 - UART register base address * w1 - UART clock in Hz * w2 - Baud rate - * x3 - pointer to empty console_meson_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 * ----------------------------------------------- @@ -62,7 +62,7 @@ func console_meson_register mov x7, x30 mov x6, x3 cbz x6, register_fail - str x0, [x6, #CONSOLE_T_MESON_BASE] + str x0, [x6, #CONSOLE_T_BASE] bl console_meson_init cbz x0, register_fail @@ -128,7 +128,7 @@ init_fail: endfunc console_meson_init /* -------------------------------------------------------- - * int console_meson_putc(int c, console_meson_t *console) + * int console_meson_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 @@ -142,7 +142,7 @@ func console_meson_putc cmp x1, #0 ASM_ASSERT(ne) #endif /* ENABLE_ASSERTIONS */ - ldr x1, [x1, #CONSOLE_T_MESON_BASE] + ldr x1, [x1, #CONSOLE_T_BASE] b console_meson_core_putc endfunc console_meson_putc @@ -179,7 +179,7 @@ func console_meson_core_putc endfunc console_meson_core_putc /* --------------------------------------------- - * int console_meson_getc(console_meson_t *console) + * int console_meson_getc(console_t *console) * Function to get a character from the console. * It returns the character grabbed on success * or -1 if no character is available. @@ -193,7 +193,7 @@ func console_meson_getc cmp x0, #0 ASM_ASSERT(ne) #endif /* ENABLE_ASSERTIONS */ - ldr x0, [x0, #CONSOLE_T_MESON_BASE] + ldr x0, [x0, #CONSOLE_T_BASE] b console_meson_core_getc endfunc console_meson_getc @@ -224,11 +224,11 @@ func console_meson_core_getc endfunc console_meson_core_getc /* --------------------------------------------- - * int console_meson_flush(console_meson_t *console) + * void console_meson_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 * --------------------------------------------- */ @@ -237,16 +237,16 @@ func console_meson_flush cmp x0, #0 ASM_ASSERT(ne) #endif /* ENABLE_ASSERTIONS */ - ldr x0, [x0, #CONSOLE_T_MESON_BASE] + ldr x0, [x0, #CONSOLE_T_BASE] b console_meson_core_flush endfunc console_meson_flush /* --------------------------------------------- - * int console_meson_core_flush(uintptr_t base_addr) + * void console_meson_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 * --------------------------------------------- */ @@ -258,6 +258,5 @@ func console_meson_core_flush /* Wait until the transmit FIFO is empty */ 1: ldr w1, [x0, #MESON_STATUS_OFFSET] tbz w1, #MESON_STATUS_TX_EMPTY_BIT, 1b - mov w0, #0 ret endfunc console_meson_core_flush |