+++ /dev/null
-/*
- * Copyright (c) 2013-2014, 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.
- */
-
-#ifndef __CONSOLE_H__
-#define __CONSOLE_H__
-
-void console_init(unsigned long base_addr);
-int console_putc(int c);
-int console_getc(void);
-
-#endif /* __CONSOLE_H__ */
-
* POSSIBILITY OF SUCH DAMAGE.
*/
-#include <stdio.h>
-#include <console.h>
#include <platform.h>
#include <pl011.h>
+#include <assert.h>
-static unsigned long uart_base = PL011_BASE;
-
-/*
- * TODO: Console init functions shoule be in a console.c. This file should
- * only contain the pl011 accessors.
- */
-void console_init(unsigned long base_addr)
+void pl011_setbaudrate(unsigned long base_addr, unsigned int baudrate)
{
unsigned int divisor;
-
- /* Initialise internal base address variable */
- uart_base = base_addr;
-
- /* Baud Rate */
-
-#if defined(PL011_INTEGER) && defined(PL011_FRACTIONAL)
- mmio_write_32(uart_base + UARTIBRD, PL011_INTEGER);
- mmio_write_32(uart_base + UARTFBRD, PL011_FRACTIONAL);
-#else
- divisor = (PL011_CLK_IN_HZ * 4) / PL011_BAUDRATE;
- mmio_write_32(uart_base + UARTIBRD, divisor >> 6);
- mmio_write_32(uart_base + UARTFBRD, divisor & 0x3F);
-#endif
-
-
- mmio_write_32(uart_base + UARTLCR_H, PL011_LINE_CONTROL);
-
- /* Clear any pending errors */
- mmio_write_32(uart_base + UARTECR, 0);
-
- /* Enable tx, rx, and uart overall */
- mmio_write_32(uart_base + UARTCR,
- PL011_UARTCR_RXE | PL011_UARTCR_TXE |
- PL011_UARTCR_UARTEN);
-}
-
-int console_putc(int c)
-{
- if (c == '\n') {
- console_putc('\r');
- }
-
- while ((mmio_read_32(uart_base + UARTFR) & PL011_UARTFR_TXFE) == 0)
- ;
- mmio_write_32(uart_base + UARTDR, c);
- return c;
-}
-
-int console_getc(void)
-{
- while ((mmio_read_32(uart_base + UARTFR) & PL011_UARTFR_RXFE) != 0)
- ;
- return mmio_read_32(uart_base + UARTDR);
+ assert(baudrate);
+ divisor = (PL011_CLK_IN_HZ * 4) / baudrate;
+ pl011_write_ibrd(base_addr, divisor >> 6);
+ pl011_write_fbrd(base_addr, divisor & 0x3F);
}
#define PL011_UARTLCR_H_PEN (1 << 1) /* Parity Enable */
#define PL011_UARTLCR_H_BRK (1 << 0) /* Send break */
+/*******************************************************************************
+ * Pl011 CPU interface accessors for writing registers
+ ******************************************************************************/
+
+static inline void pl011_write_ibrd(unsigned int base, unsigned int val)
+{
+ mmio_write_32(base + UARTIBRD, val);
+}
+
+static inline void pl011_write_fbrd(unsigned int base, unsigned int val)
+{
+ mmio_write_32(base + UARTFBRD, val);
+}
+
+static inline void pl011_write_lcr_h(unsigned int base, unsigned int val)
+{
+ mmio_write_32(base + UARTLCR_H, val);
+}
+
+static inline void pl011_write_ecr(unsigned int base, unsigned int val)
+{
+ mmio_write_32(base + UARTECR, val);
+}
+
+static inline void pl011_write_cr(unsigned int base, unsigned int val)
+{
+ mmio_write_32(base + UARTCR, val);
+}
+
+static inline void pl011_write_dr(unsigned int base, unsigned int val)
+{
+ mmio_write_32(base + UARTDR, val);
+}
+
+/*******************************************************************************
+ * Pl011 CPU interface accessors for reading registers
+ ******************************************************************************/
+
+static inline unsigned int pl011_read_fr(unsigned int base)
+{
+ return mmio_read_32(base + UARTFR);
+}
+
+static inline unsigned int pl011_read_dr(unsigned int base)
+{
+ return mmio_read_32(base + UARTDR);
+}
+
+/*******************************************************************************
+ * Function prototypes
+ ******************************************************************************/
+
+void pl011_setbaudrate(unsigned long base_addr, unsigned int baudrate);
+
#endif /* __PL011_H__ */
--- /dev/null
+/*
+ * Copyright (c) 2013-2014, 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 <console.h>
+#include <platform.h>
+#include <pl011.h>
+
+static unsigned long uart_base = PL011_BASE;
+
+void console_init(unsigned long base_addr)
+{
+ /* Initialise internal base address variable */
+ uart_base = base_addr;
+
+ /* Baud Rate */
+#if defined(PL011_INTEGER) && defined(PL011_FRACTIONAL)
+ pl011_write_ibrd(uart_base, PL011_INTEGER);
+ pl011_write_fbrd(uart_base, PL011_FRACTIONAL);
+#else
+ pl011_setbaudrate(uart_base, PL011_BAUDRATE);
+#endif
+
+ pl011_write_lcr_h(uart_base, PL011_LINE_CONTROL);
+
+ /* Clear any pending errors */
+ pl011_write_ecr(uart_base, 0);
+
+ /* Enable tx, rx, and uart overall */
+ pl011_write_cr(uart_base, PL011_UARTCR_RXE | PL011_UARTCR_TXE |
+ PL011_UARTCR_UARTEN);
+
+}
+
+int console_putc(int c)
+{
+ if (c == '\n')
+ console_putc('\r');
+
+ while ((pl011_read_fr(uart_base) & PL011_UARTFR_TXFF) == 1)
+ ;
+ pl011_write_dr(uart_base, c);
+ return c;
+}
+
+int console_getc(void)
+{
+ while ((pl011_read_fr(uart_base) & PL011_UARTFR_RXFE) != 0)
+ ;
+ return pl011_read_dr(uart_base);
+}
--- /dev/null
+/*
+ * Copyright (c) 2013-2014, 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.
+ */
+
+#ifndef __CONSOLE_H__
+#define __CONSOLE_H__
+
+void console_init(unsigned long base_addr);
+int console_putc(int c);
+int console_getc(void);
+
+#endif /* __CONSOLE_H__ */
+
#
PLAT_INCLUDES := -Idrivers/arm/interconnect/cci-400 \
+ -Idrivers/console \
-Idrivers/arm/peripherals/pl011 \
-Idrivers/power
PLAT_BL1_C_VPATH := drivers/arm/interconnect/cci-400 \
+ drivers/console \
drivers/arm/peripherals/pl011 \
lib/arch/${ARCH} \
lib/semihosting \
PLAT_BL1_S_VPATH := lib/semihosting/${ARCH}
PLAT_BL2_C_VPATH := drivers/arm/interconnect/cci-400 \
+ drivers/console \
drivers/arm/peripherals/pl011 \
lib/arch/${ARCH} \
lib/stdlib \
PLAT_BL2_S_VPATH := lib/semihosting/${ARCH}
PLAT_BL31_C_VPATH := drivers/arm/interconnect/cci-400 \
+ drivers/console \
drivers/arm/peripherals/pl011 \
lib/arch/${ARCH} \
lib/semihosting \
PLAT_BL_COMMON_SOURCES := semihosting_call.S \
mmio.c \
+ console.c \
pl011.c \
semihosting.c \
sysreg_helpers.S \
projects / project / bcm63xx / atf.git / commitdiff