Move console drivers to AArch64 folder
This patch moves the various assembly console drivers
into `aarch64` architecture specific folder. Stub files,
which include files from new location, are retained at the
original location for platform compatibility reasons.
Change-Id: I0069b6c1c0489ca47f5204d4e26e3bc3def533a8
diff --git a/drivers/arm/pl011/pl011_console.S b/drivers/arm/pl011/pl011_console.S
index 5e97e91..44aafc2 100644
--- a/drivers/arm/pl011/pl011_console.S
+++ b/drivers/arm/pl011/pl011_console.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -27,127 +27,7 @@
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
-#include <arch.h>
-#include <asm_macros.S>
-#include <pl011.h>
-/*
- * Pull in generic functions to provide backwards compatibility for
- * platform makefiles
- */
-#include "../../console/console.S"
-
-
- .globl console_core_init
- .globl console_core_putc
- .globl console_core_getc
-
-
- /* -----------------------------------------------
- * int console_core_init(uintptr_t base_addr,
- * unsigned int uart_clk, unsigned int baud_rate)
- * Function to initialize the console without a
- * C Runtime to print debug information. This
- * function will be accessed by console_init and
- * crash reporting.
- * In: x0 - console base address
- * w1 - Uart clock in Hz
- * w2 - Baud rate
- * Out: return 1 on success else 0 on error
- * Clobber list : x1, x2, x3, x4
- * -----------------------------------------------
- */
-func console_core_init
- /* Check the input base address */
- cbz x0, core_init_fail
-#if !PL011_GENERIC_UART
- /* Check baud rate and uart clock for sanity */
- cbz w1, core_init_fail
- cbz w2, core_init_fail
- /* Disable uart before programming */
- ldr w3, [x0, #UARTCR]
- mov w4, #PL011_UARTCR_UARTEN
- bic w3, w3, w4
- str w3, [x0, #UARTCR]
- /* Program the baudrate */
- /* Divisor = (Uart clock * 4) / baudrate */
- lsl w1, w1, #2
- udiv w2, w1, w2
- /* IBRD = Divisor >> 6 */
- lsr w1, w2, #6
- /* Write the IBRD */
- str w1, [x0, #UARTIBRD]
- /* FBRD = Divisor & 0x3F */
- and w1, w2, #0x3f
- /* Write the FBRD */
- str w1, [x0, #UARTFBRD]
- mov w1, #PL011_LINE_CONTROL
- str w1, [x0, #UARTLCR_H]
- /* Clear any pending errors */
- str wzr, [x0, #UARTECR]
- /* Enable tx, rx, and uart overall */
- mov w1, #(PL011_UARTCR_RXE | PL011_UARTCR_TXE | PL011_UARTCR_UARTEN)
- str w1, [x0, #UARTCR]
+#if !ERROR_DEPRECATED
+#include "./aarch64/pl011_console.S"
#endif
- mov w0, #1
- ret
-core_init_fail:
- mov w0, wzr
- ret
-endfunc console_core_init
-
- /* --------------------------------------------------------
- * int console_core_putc(int c, uintptr_t base_addr)
- * 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
- * x1 - console base address
- * Out : return -1 on error else return character.
- * Clobber list : x2
- * --------------------------------------------------------
- */
-func console_core_putc
- /* Check the input parameter */
- cbz x1, putc_error
- /* Prepend '\r' to '\n' */
- cmp w0, #0xA
- b.ne 2f
-1:
- /* Check if the transmit FIFO is full */
- ldr w2, [x1, #UARTFR]
- tbnz w2, #PL011_UARTFR_TXFF_BIT, 1b
- mov w2, #0xD
- str w2, [x1, #UARTDR]
-2:
- /* Check if the transmit FIFO is full */
- ldr w2, [x1, #UARTFR]
- tbnz w2, #PL011_UARTFR_TXFF_BIT, 2b
- str w0, [x1, #UARTDR]
- ret
-putc_error:
- mov w0, #-1
- ret
-endfunc console_core_putc
-
- /* ---------------------------------------------
- * int console_core_getc(uintptr_t base_addr)
- * Function to get a character from the console.
- * It returns the character grabbed on success
- * or -1 on error.
- * In : x0 - console base address
- * Clobber list : x0, x1
- * ---------------------------------------------
- */
-func console_core_getc
- cbz x0, getc_error
-1:
- /* Check if the receive FIFO is empty */
- ldr w1, [x0, #UARTFR]
- tbnz w1, #PL011_UARTFR_RXFE_BIT, 1b
- ldr w1, [x0, #UARTDR]
- mov w0, w1
- ret
-getc_error:
- mov w0, #-1
- ret
-endfunc console_core_getc