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/aarch64/pl011_console.S b/drivers/arm/pl011/aarch64/pl011_console.S
new file mode 100644
index 0000000..11e3df7
--- /dev/null
+++ b/drivers/arm/pl011/aarch64/pl011_console.S
@@ -0,0 +1,153 @@
+/*
+ * 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:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * 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/aarch64/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]
+#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
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
diff --git a/drivers/cadence/uart/aarch64/cdns_console.S b/drivers/cadence/uart/aarch64/cdns_console.S
new file mode 100644
index 0000000..2c7960d
--- /dev/null
+++ b/drivers/cadence/uart/aarch64/cdns_console.S
@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 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:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * 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 <cadence/cdns_uart.h>
+
+ .globl console_core_init
+ .globl console_core_putc
+ .globl console_core_getc
+
+ /* -----------------------------------------------
+ * int console_core_init(unsigned long 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.
+ * We assume that the bootloader already set up
+ * the HW (baud, ...) and only enable the trans-
+ * mitter and receiver here.
+ * 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
+ * -----------------------------------------------
+ */
+func console_core_init
+ /* Check the input base address */
+ cbz x0, core_init_fail
+ /* Check baud rate and uart clock for sanity */
+ cbz w1, core_init_fail
+ cbz w2, core_init_fail
+
+ /* RX/TX enabled & reset */
+ mov w3, #(R_UART_CR_TX_EN | R_UART_CR_RX_EN | R_UART_CR_TXRST | R_UART_CR_RXRST)
+ str w3, [x0, #R_UART_CR]
+
+ mov w0, #1
+ ret
+core_init_fail:
+ mov w0, wzr
+ ret
+endfunc console_core_init
+
+ /* --------------------------------------------------------
+ * int console_core_putc(int c, unsigned long 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, #R_UART_SR]
+ tbnz w2, #UART_SR_INTR_TFUL_BIT, 1b
+ mov w2, #0xD
+ str w2, [x1, #R_UART_TX]
+2:
+ /* Check if the transmit FIFO is full */
+ ldr w2, [x1, #R_UART_SR]
+ tbnz w2, #UART_SR_INTR_TFUL_BIT, 2b
+ str w0, [x1, #R_UART_TX]
+ ret
+putc_error:
+ mov w0, #-1
+ ret
+endfunc console_core_putc
+
+ /* ---------------------------------------------
+ * int console_core_getc(unsigned long 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, #R_UART_SR]
+ tbnz w1, #UART_SR_INTR_REMPTY_BIT, 1b
+ ldr w1, [x0, #R_UART_RX]
+ mov w0, w1
+ ret
+getc_error:
+ mov w0, #-1
+ ret
+endfunc console_core_getc
diff --git a/drivers/cadence/uart/cdns_console.S b/drivers/cadence/uart/cdns_console.S
index 2c7960d..f727838 100644
--- a/drivers/cadence/uart/cdns_console.S
+++ b/drivers/cadence/uart/cdns_console.S
@@ -27,101 +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 <cadence/cdns_uart.h>
- .globl console_core_init
- .globl console_core_putc
- .globl console_core_getc
-
- /* -----------------------------------------------
- * int console_core_init(unsigned long 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.
- * We assume that the bootloader already set up
- * the HW (baud, ...) and only enable the trans-
- * mitter and receiver here.
- * 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
- * -----------------------------------------------
- */
-func console_core_init
- /* Check the input base address */
- cbz x0, core_init_fail
- /* Check baud rate and uart clock for sanity */
- cbz w1, core_init_fail
- cbz w2, core_init_fail
-
- /* RX/TX enabled & reset */
- mov w3, #(R_UART_CR_TX_EN | R_UART_CR_RX_EN | R_UART_CR_TXRST | R_UART_CR_RXRST)
- str w3, [x0, #R_UART_CR]
-
- mov w0, #1
- ret
-core_init_fail:
- mov w0, wzr
- ret
-endfunc console_core_init
-
- /* --------------------------------------------------------
- * int console_core_putc(int c, unsigned long 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, #R_UART_SR]
- tbnz w2, #UART_SR_INTR_TFUL_BIT, 1b
- mov w2, #0xD
- str w2, [x1, #R_UART_TX]
-2:
- /* Check if the transmit FIFO is full */
- ldr w2, [x1, #R_UART_SR]
- tbnz w2, #UART_SR_INTR_TFUL_BIT, 2b
- str w0, [x1, #R_UART_TX]
- ret
-putc_error:
- mov w0, #-1
- ret
-endfunc console_core_putc
-
- /* ---------------------------------------------
- * int console_core_getc(unsigned long 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, #R_UART_SR]
- tbnz w1, #UART_SR_INTR_REMPTY_BIT, 1b
- ldr w1, [x0, #R_UART_RX]
- mov w0, w1
- ret
-getc_error:
- mov w0, #-1
- ret
-endfunc console_core_getc
+#if !ERROR_DEPRECATED
+#include "./aarch64/cdns_console.S"
+#endif
diff --git a/drivers/console/aarch64/console.S b/drivers/console/aarch64/console.S
new file mode 100644
index 0000000..bdd5f4c
--- /dev/null
+++ b/drivers/console/aarch64/console.S
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2015-2016, 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:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <asm_macros.S>
+
+ .globl console_init
+ .globl console_uninit
+ .globl console_putc
+ .globl console_getc
+
+ /*
+ * The console base is in the data section and not in .bss
+ * even though it is zero-init. In particular, this allows
+ * the console functions to start using this variable before
+ * the runtime memory is initialized for images which do not
+ * need to copy the .data section from ROM to RAM.
+ */
+.section .data.console_base ; .align 3
+ console_base: .quad 0x0
+
+ /* -----------------------------------------------
+ * int console_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. It saves
+ * the console base to the data section.
+ * 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 - x4
+ * -----------------------------------------------
+ */
+func console_init
+ /* Check the input base address */
+ cbz x0, init_fail
+ adrp x3, console_base
+ str x0, [x3, :lo12:console_base]
+ b console_core_init
+init_fail:
+ ret
+endfunc console_init
+
+ /* -----------------------------------------------
+ * void console_uninit(void)
+ * Function to finish the use of console driver.
+ * It sets the console_base as NULL so that any
+ * further invocation of `console_putc` or
+ * `console_getc` APIs would return error.
+ * -----------------------------------------------
+ */
+func console_uninit
+ mov x0, #0
+ adrp x3, console_base
+ str x0, [x3, :lo12:console_base]
+ ret
+endfunc console_uninit
+
+ /* ---------------------------------------------
+ * int console_putc(int c)
+ * Function to output a character over the
+ * console. It returns the character printed on
+ * success or -1 on error.
+ * In : x0 - character to be printed
+ * Out : return -1 on error else return character.
+ * Clobber list : x1, x2
+ * ---------------------------------------------
+ */
+func console_putc
+ adrp x2, console_base
+ ldr x1, [x2, :lo12:console_base]
+ b console_core_putc
+endfunc console_putc
+
+ /* ---------------------------------------------
+ * int console_getc(void)
+ * Function to get a character from the console.
+ * It returns the character grabbed on success
+ * or -1 on error.
+ * Clobber list : x0, x1
+ * ---------------------------------------------
+ */
+func console_getc
+ adrp x1, console_base
+ ldr x0, [x1, :lo12:console_base]
+ b console_core_getc
+endfunc console_getc
diff --git a/drivers/console/aarch64/skeleton_console.S b/drivers/console/aarch64/skeleton_console.S
new file mode 100644
index 0000000..1583ee7
--- /dev/null
+++ b/drivers/console/aarch64/skeleton_console.S
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2015-2016, 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:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <asm_macros.S>
+
+ /*
+ * This file contains a skeleton console implementation that can
+ * be used as basis for a real console implementation by platforms
+ * that do not contain PL011 hardware.
+ */
+
+ .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
+ * -----------------------------------------------
+ */
+func console_core_init
+ /* Check the input base address */
+ cbz x0, core_init_fail
+ /* Check baud rate and uart clock for sanity */
+ cbz w1, core_init_fail
+ cbz w2, core_init_fail
+ /* Insert implementation here */
+ 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
+ /* Insert implementation here */
+ 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
+ /* Insert implementation here */
+ ret
+getc_error:
+ mov w0, #-1
+ ret
+endfunc console_core_getc
diff --git a/drivers/console/console.S b/drivers/console/console.S
index 797b564..e861298 100644
--- a/drivers/console/console.S
+++ b/drivers/console/console.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2016, 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:
@@ -27,87 +27,7 @@
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
-#include <asm_macros.S>
- .globl console_init
- .globl console_uninit
- .globl console_putc
- .globl console_getc
-
- /*
- * The console base is in the data section and not in .bss
- * even though it is zero-init. In particular, this allows
- * the console functions to start using this variable before
- * the runtime memory is initialized for images which do not
- * need to copy the .data section from ROM to RAM.
- */
-.section .data.console_base ; .align 3
- console_base: .quad 0x0
-
- /* -----------------------------------------------
- * int console_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. It saves
- * the console base to the data section.
- * 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 - x4
- * -----------------------------------------------
- */
-func console_init
- /* Check the input base address */
- cbz x0, init_fail
- adrp x3, console_base
- str x0, [x3, :lo12:console_base]
- b console_core_init
-init_fail:
- ret
-endfunc console_init
-
- /* -----------------------------------------------
- * void console_uninit(void)
- * Function to finish the use of console driver.
- * It sets the console_base as NULL so that any
- * further invocation of `console_putc` or
- * `console_getc` APIs would return error.
- * -----------------------------------------------
- */
-func console_uninit
- mov x0, #0
- adrp x3, console_base
- str x0, [x3, :lo12:console_base]
- ret
-endfunc console_uninit
-
- /* ---------------------------------------------
- * int console_putc(int c)
- * Function to output a character over the
- * console. It returns the character printed on
- * success or -1 on error.
- * In : x0 - character to be printed
- * Out : return -1 on error else return character.
- * Clobber list : x1, x2
- * ---------------------------------------------
- */
-func console_putc
- adrp x2, console_base
- ldr x1, [x2, :lo12:console_base]
- b console_core_putc
-endfunc console_putc
-
- /* ---------------------------------------------
- * int console_getc(void)
- * Function to get a character from the console.
- * It returns the character grabbed on success
- * or -1 on error.
- * Clobber list : x0, x1
- * ---------------------------------------------
- */
-func console_getc
- adrp x1, console_base
- ldr x0, [x1, :lo12:console_base]
- b console_core_getc
-endfunc console_getc
+#if !ERROR_DEPRECATED
+#include "./aarch64/console.S"
+#endif
diff --git a/drivers/console/skeleton_console.S b/drivers/console/skeleton_console.S
index 083d3c7..ddfd834 100644
--- a/drivers/console/skeleton_console.S
+++ b/drivers/console/skeleton_console.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2016, 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:
@@ -27,80 +27,7 @@
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
-#include <asm_macros.S>
- /*
- * This file contains a skeleton console implementation that can
- * be used as basis for a real console implementation by platforms
- * that do not contain PL011 hardware.
- */
-
- .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
- * -----------------------------------------------
- */
-func console_core_init
- /* Check the input base address */
- cbz x0, core_init_fail
- /* Check baud rate and uart clock for sanity */
- cbz w1, core_init_fail
- cbz w2, core_init_fail
- /* Insert implementation here */
- 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
- /* Insert implementation here */
- 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
- /* Insert implementation here */
- ret
-getc_error:
- mov w0, #-1
- ret
-endfunc console_core_getc
+#if !ERROR_DEPRECATED
+#include "./aarch64/skeleton_console.S"
+#endif
diff --git a/drivers/ti/uart/16550_console.S b/drivers/ti/uart/16550_console.S
index ebb4615..90b12e5 100644
--- a/drivers/ti/uart/16550_console.S
+++ b/drivers/ti/uart/16550_console.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2016, 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:
@@ -28,128 +28,6 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
-#include <arch.h>
-#include <asm_macros.S>
-#include <uart_16550.h>
-
- .globl console_core_init
- .globl console_core_putc
- .globl console_core_getc
-
- /* -----------------------------------------------
- * int console_core_init(unsigned long 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
- * Clobber list : x1, x2, x3
- * -----------------------------------------------
- */
-func console_core_init
- /* Check the input base address */
- cbz x0, init_fail
- /* Check baud rate and uart clock for sanity */
- cbz w1, init_fail
- cbz w2, init_fail
-
- /* Program the baudrate */
- /* Divisor = Uart clock / (16 * baudrate) */
- lsl w2, w2, #4
- udiv w2, w1, w2
- and w1, w2, #0xff /* w1 = DLL */
- lsr w2, w2, #8
- and w2, w2, #0xff /* w2 = DLLM */
- ldr w3, [x0, #UARTLCR]
- orr w3, w3, #UARTLCR_DLAB
- str w3, [x0, #UARTLCR] /* enable DLL, DLLM programming */
- str w1, [x0, #UARTDLL] /* program DLL */
- str w2, [x0, #UARTDLLM] /* program DLLM */
- mov w2, #~UARTLCR_DLAB
- and w3, w3, w2
- str w3, [x0, #UARTLCR] /* disable DLL, DLLM programming */
-
- /* 8n1 */
- mov w3, #3
- str w3, [x0, #UARTLCR]
- /* no interrupt */
- mov w3, #0
- str w3, [x0, #UARTIER]
- /* enable fifo, DMA */
- mov w3, #(UARTFCR_FIFOEN | UARTFCR_DMAEN)
- str w3, [x0, #UARTFCR]
- /* DTR + RTS */
- mov w3, #3
- str w3, [x0, #UARTMCR]
- mov w0, #1
-init_fail:
- ret
-endfunc console_core_init
-
- /* --------------------------------------------------------
- * int console_core_putc(int c, unsigned int 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
- /* Check if the transmit FIFO is full */
-1: ldr w2, [x1, #UARTLSR]
- and w2, w2, #(UARTLSR_TEMT | UARTLSR_THRE)
- cmp w2, #(UARTLSR_TEMT | UARTLSR_THRE)
- b.ne 1b
- mov w2, #0xD /* '\r' */
- str w2, [x1, #UARTTX]
- ldr w2, [x1, #UARTFCR]
- orr w2, w2, #UARTFCR_TXCLR
- str w2, [x1, #UARTFCR]
-
- /* Check if the transmit FIFO is full */
-2: ldr w2, [x1, #UARTLSR]
- and w2, w2, #(UARTLSR_TEMT | UARTLSR_THRE)
- cmp w2, #(UARTLSR_TEMT | UARTLSR_THRE)
- b.ne 2b
- str w0, [x1, #UARTTX]
- ldr w2, [x1, #UARTFCR]
- orr w2, w2, #UARTFCR_TXCLR
- str w2, [x1, #UARTFCR]
- ret
-putc_error:
- mov w0, #-1
- ret
-endfunc console_core_putc
-
- /* ---------------------------------------------
- * int console_core_getc(void)
- * Function to get a character from the console.
- * It returns the character grabbed on success
- * or -1 on error.
- * In : w0 - console base address
- * Out : return -1 on error else return character.
- * Clobber list : x0, x1
- * ---------------------------------------------
- */
-func console_core_getc
- /* Check if the receive FIFO is empty */
-1: ldr w1, [x0, #UARTLSR]
- tbz w1, #UARTLSR_RDR, 1b
- ldr w0, [x0, #UARTRX]
- ret
-getc_error:
- mov w0, #-1
- ret
-endfunc console_core_getc
+#if !ERROR_DEPRECATED
+#include "./aarch64/16550_console.S"
+#endif
diff --git a/drivers/ti/uart/aarch64/16550_console.S b/drivers/ti/uart/aarch64/16550_console.S
new file mode 100644
index 0000000..0535381
--- /dev/null
+++ b/drivers/ti/uart/aarch64/16550_console.S
@@ -0,0 +1,155 @@
+/*
+ * Copyright (c) 2015-2016, 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:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * 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 <uart_16550.h>
+
+ .globl console_core_init
+ .globl console_core_putc
+ .globl console_core_getc
+
+ /* -----------------------------------------------
+ * int console_core_init(unsigned long 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
+ * Clobber list : x1, x2, x3
+ * -----------------------------------------------
+ */
+func console_core_init
+ /* Check the input base address */
+ cbz x0, init_fail
+ /* Check baud rate and uart clock for sanity */
+ cbz w1, init_fail
+ cbz w2, init_fail
+
+ /* Program the baudrate */
+ /* Divisor = Uart clock / (16 * baudrate) */
+ lsl w2, w2, #4
+ udiv w2, w1, w2
+ and w1, w2, #0xff /* w1 = DLL */
+ lsr w2, w2, #8
+ and w2, w2, #0xff /* w2 = DLLM */
+ ldr w3, [x0, #UARTLCR]
+ orr w3, w3, #UARTLCR_DLAB
+ str w3, [x0, #UARTLCR] /* enable DLL, DLLM programming */
+ str w1, [x0, #UARTDLL] /* program DLL */
+ str w2, [x0, #UARTDLLM] /* program DLLM */
+ mov w2, #~UARTLCR_DLAB
+ and w3, w3, w2
+ str w3, [x0, #UARTLCR] /* disable DLL, DLLM programming */
+
+ /* 8n1 */
+ mov w3, #3
+ str w3, [x0, #UARTLCR]
+ /* no interrupt */
+ mov w3, #0
+ str w3, [x0, #UARTIER]
+ /* enable fifo, DMA */
+ mov w3, #(UARTFCR_FIFOEN | UARTFCR_DMAEN)
+ str w3, [x0, #UARTFCR]
+ /* DTR + RTS */
+ mov w3, #3
+ str w3, [x0, #UARTMCR]
+ mov w0, #1
+init_fail:
+ ret
+endfunc console_core_init
+
+ /* --------------------------------------------------------
+ * int console_core_putc(int c, unsigned int 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
+ /* Check if the transmit FIFO is full */
+1: ldr w2, [x1, #UARTLSR]
+ and w2, w2, #(UARTLSR_TEMT | UARTLSR_THRE)
+ cmp w2, #(UARTLSR_TEMT | UARTLSR_THRE)
+ b.ne 1b
+ mov w2, #0xD /* '\r' */
+ str w2, [x1, #UARTTX]
+ ldr w2, [x1, #UARTFCR]
+ orr w2, w2, #UARTFCR_TXCLR
+ str w2, [x1, #UARTFCR]
+
+ /* Check if the transmit FIFO is full */
+2: ldr w2, [x1, #UARTLSR]
+ and w2, w2, #(UARTLSR_TEMT | UARTLSR_THRE)
+ cmp w2, #(UARTLSR_TEMT | UARTLSR_THRE)
+ b.ne 2b
+ str w0, [x1, #UARTTX]
+ ldr w2, [x1, #UARTFCR]
+ orr w2, w2, #UARTFCR_TXCLR
+ str w2, [x1, #UARTFCR]
+ ret
+putc_error:
+ mov w0, #-1
+ ret
+endfunc console_core_putc
+
+ /* ---------------------------------------------
+ * int console_core_getc(void)
+ * Function to get a character from the console.
+ * It returns the character grabbed on success
+ * or -1 on error.
+ * In : w0 - console base address
+ * Out : return -1 on error else return character.
+ * Clobber list : x0, x1
+ * ---------------------------------------------
+ */
+func console_core_getc
+ /* Check if the receive FIFO is empty */
+1: ldr w1, [x0, #UARTLSR]
+ tbz w1, #UARTLSR_RDR, 1b
+ ldr w0, [x0, #UARTRX]
+ ret
+getc_error:
+ mov w0, #-1
+ ret
+endfunc console_core_getc
