diff options
author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-06-28 21:26:59 +0200 |
---|---|---|
committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-06-29 15:15:50 +0200 |
commit | 3b645c1b0ce3358c1f1fe01a4b5b2aed856fd958 (patch) | |
tree | 59156ee795120d474be1ca47db62c4a7b5f8b4d8 /c | |
parent | bsps/arm: Add PL111 support (diff) | |
download | rtems-3b645c1b0ce3358c1f1fe01a4b5b2aed856fd958.tar.bz2 |
bsps/arm: Add PL050 support
Diffstat (limited to 'c')
-rw-r--r-- | c/src/lib/libbsp/arm/realview-pbx-a9/Makefile.am | 3 | ||||
-rw-r--r-- | c/src/lib/libbsp/arm/realview-pbx-a9/console/console-config.c | 34 | ||||
-rw-r--r-- | c/src/lib/libbsp/arm/realview-pbx-a9/preinstall.am | 8 | ||||
-rw-r--r-- | c/src/lib/libbsp/arm/shared/arm-pl050.c | 133 | ||||
-rw-r--r-- | c/src/lib/libbsp/arm/shared/include/arm-pl050-regs.h | 49 | ||||
-rw-r--r-- | c/src/lib/libbsp/arm/shared/include/arm-pl050.h | 30 |
6 files changed, 257 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/realview-pbx-a9/Makefile.am b/c/src/lib/libbsp/arm/realview-pbx-a9/Makefile.am index 7b961b36d3..ef8e2d6bb3 100644 --- a/c/src/lib/libbsp/arm/realview-pbx-a9/Makefile.am +++ b/c/src/lib/libbsp/arm/realview-pbx-a9/Makefile.am @@ -43,6 +43,8 @@ include_bsp_HEADERS += ../shared/include/arm-gic-regs.h include_bsp_HEADERS += ../shared/include/arm-gic-tm27.h include_bsp_HEADERS += ../shared/include/arm-pl011.h include_bsp_HEADERS += ../shared/include/arm-pl011-regs.h +include_bsp_HEADERS += ../shared/include/arm-pl050.h +include_bsp_HEADERS += ../shared/include/arm-pl050-regs.h include_bsp_HEADERS += ../shared/include/arm-pl111-fb.h include_bsp_HEADERS += ../shared/include/arm-pl111-regs.h include_bsp_HEADERS += include/irq.h @@ -112,6 +114,7 @@ libbsp_a_SOURCES += ../../shared/console_read.c libbsp_a_SOURCES += ../../shared/console_select.c libbsp_a_SOURCES += ../../shared/console_write.c libbsp_a_SOURCES += ../shared/arm-pl011.c +libbsp_a_SOURCES += ../shared/arm-pl050.c libbsp_a_SOURCES += console/console-config.c # Clock diff --git a/c/src/lib/libbsp/arm/realview-pbx-a9/console/console-config.c b/c/src/lib/libbsp/arm/realview-pbx-a9/console/console-config.c index e95280b70a..4814ef8107 100644 --- a/c/src/lib/libbsp/arm/realview-pbx-a9/console/console-config.c +++ b/c/src/lib/libbsp/arm/realview-pbx-a9/console/console-config.c @@ -12,11 +12,16 @@ * http://www.rtems.com/license/LICENSE. */ +#include <rtems/serial_mouse.h> + #include <libchip/serial.h> #include <bsp.h> #include <bsp/irq.h> #include <bsp/arm-pl011.h> +#include <bsp/arm-pl050.h> + +static const char psaux[] = "/dev/psaux"; console_tbl Console_Configuration_Ports[] = { { @@ -37,6 +42,24 @@ console_tbl Console_Configuration_Ports[] = { .setData = NULL, .ulClock = 0, .ulIntVector = RVPBXA9_IRQ_UART_0 + }, { + .sDeviceName = &psaux[0], + .deviceType = SERIAL_CUSTOM, + .pDeviceFns = &arm_pl050_fns, + .deviceProbe = NULL, + .pDeviceFlow = NULL, + .ulMargin = 10, + .ulHysteresis = 0, + .pDeviceParams = (void *) 115200, + .ulCtrlPort1 = 0x10007000, + .ulCtrlPort2 = 0, + .ulDataPort = 0, + .getRegister = NULL, + .setRegister = NULL, + .getData = NULL, + .setData = NULL, + .ulClock = 0, + .ulIntVector = RVPBXA9_IRQ_KMI1 } }; @@ -73,3 +96,14 @@ static void output_char_init(char c) BSP_output_char_function_type BSP_output_char = output_char_init; BSP_polling_getchar_function_type BSP_poll_char = NULL; + +bool bsp_get_serial_mouse_device( + const char **name, + const char **type +) +{ + *name = &psaux[0]; + *type = "ps2"; + + return true; +} diff --git a/c/src/lib/libbsp/arm/realview-pbx-a9/preinstall.am b/c/src/lib/libbsp/arm/realview-pbx-a9/preinstall.am index fad0cf93f2..8d26e05341 100644 --- a/c/src/lib/libbsp/arm/realview-pbx-a9/preinstall.am +++ b/c/src/lib/libbsp/arm/realview-pbx-a9/preinstall.am @@ -126,6 +126,14 @@ $(PROJECT_INCLUDE)/bsp/arm-pl011-regs.h: ../shared/include/arm-pl011-regs.h $(PR $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/arm-pl011-regs.h PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/arm-pl011-regs.h +$(PROJECT_INCLUDE)/bsp/arm-pl050.h: ../shared/include/arm-pl050.h $(PROJECT_INCLUDE)/bsp/$(dirstamp) + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/arm-pl050.h +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/arm-pl050.h + +$(PROJECT_INCLUDE)/bsp/arm-pl050-regs.h: ../shared/include/arm-pl050-regs.h $(PROJECT_INCLUDE)/bsp/$(dirstamp) + $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/arm-pl050-regs.h +PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/arm-pl050-regs.h + $(PROJECT_INCLUDE)/bsp/arm-pl111-fb.h: ../shared/include/arm-pl111-fb.h $(PROJECT_INCLUDE)/bsp/$(dirstamp) $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/arm-pl111-fb.h PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/arm-pl111-fb.h diff --git a/c/src/lib/libbsp/arm/shared/arm-pl050.c b/c/src/lib/libbsp/arm/shared/arm-pl050.c new file mode 100644 index 0000000000..bc58ab1f59 --- /dev/null +++ b/c/src/lib/libbsp/arm/shared/arm-pl050.c @@ -0,0 +1,133 @@ +/* + * Copyright (c) 2013 embedded brains GmbH. All rights reserved. + * + * embedded brains GmbH + * Dornierstr. 4 + * 82178 Puchheim + * Germany + * <info@embedded-brains.de> + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + */ + +#include <assert.h> + +#include <bsp/irq.h> +#include <bsp/arm-pl050.h> +#include <bsp/arm-pl050-regs.h> + +#include <libchip/sersupp.h> + +static volatile pl050 *pl050_get_regs(int minor) +{ + const console_tbl *ct = Console_Port_Tbl[minor]; + + return (volatile pl050 *) ct->ulCtrlPort1; +} + +static void pl050_interrupt(void *arg) +{ + int minor = (int) arg; + const console_data *cd = &Console_Port_Data[minor]; + volatile pl050 *regs = pl050_get_regs(minor); + uint32_t kmiir_rx = PL050_KMIIR_KMIRXINTR; + uint32_t kmiir_tx = (regs->kmicr & PL050_KMICR_KMITXINTREN) != 0 ? + PL050_KMIIR_KMITXINTR : 0; + uint32_t kmiir = regs->kmiir; + + if ((kmiir & kmiir_rx) != 0) { + char c = (char) PL050_KMIDATA_KMIDATA_GET(regs->kmidata); + + rtems_termios_enqueue_raw_characters(cd->termios_data, &c, 1); + } + + if ((kmiir & kmiir_tx) != 0) { + rtems_termios_dequeue_characters(cd->termios_data, 1); + } +} + +static void pl050_initialize(int minor) +{ + /* Nothing to do */ +} + +static int pl050_first_open(int major, int minor, void *arg) +{ + rtems_libio_open_close_args_t *oc = (rtems_libio_open_close_args_t *) arg; + struct rtems_termios_tty *tty = (struct rtems_termios_tty *) oc->iop->data1; + console_data *cd = &Console_Port_Data[minor]; + const console_tbl *ct = Console_Port_Tbl[minor]; + volatile pl050 *regs = pl050_get_regs(minor); + rtems_status_code sc; + + cd->termios_data = tty; + rtems_termios_set_initial_baud(tty, (rtems_termios_baud_t) ct->pDeviceParams); + + regs->kmicr = PL050_KMICR_KMIEN | PL050_KMICR_KMIRXINTREN; + + sc = rtems_interrupt_handler_install( + ct->ulIntVector, + ct->sDeviceName, + RTEMS_INTERRUPT_UNIQUE, + pl050_interrupt, + (void *) minor + ); + assert(sc == RTEMS_SUCCESSFUL); + + return 0; +} + +static int pl050_last_close(int major, int minor, void *arg) +{ + const console_tbl *ct = Console_Port_Tbl[minor]; + volatile pl050 *regs = pl050_get_regs(minor); + rtems_status_code sc; + + regs->kmicr = 0; + + sc = rtems_interrupt_handler_remove( + ct->ulIntVector, + pl050_interrupt, + (void *) minor + ); + assert(sc == RTEMS_SUCCESSFUL); + + return 0; +} + +static ssize_t pl050_write_support( + int minor, + const char *s, + size_t n +) +{ + volatile pl050 *regs = pl050_get_regs(minor); + + if (n > 0) { + regs->kmidata = PL050_KMIDATA_KMIDATA(s[0]); + regs->kmicr |= PL050_KMICR_KMITXINTREN; + } else { + regs->kmicr &= ~PL050_KMICR_KMITXINTREN; + } + + return 0; +} + +static int pl050_set_attribues(int minor, const struct termios *term) +{ + return -1; +} + +const console_fns arm_pl050_fns = { + .deviceProbe = libchip_serial_default_probe, + .deviceFirstOpen = pl050_first_open, + .deviceLastClose = pl050_last_close, + .deviceRead = NULL, + .deviceWrite = pl050_write_support, + .deviceInitialize = pl050_initialize, + .deviceWritePolled = NULL, + .deviceSetAttributes = pl050_set_attribues, + .deviceOutputUsesInterrupts = true +}; diff --git a/c/src/lib/libbsp/arm/shared/include/arm-pl050-regs.h b/c/src/lib/libbsp/arm/shared/include/arm-pl050-regs.h new file mode 100644 index 0000000000..93c99b65fa --- /dev/null +++ b/c/src/lib/libbsp/arm/shared/include/arm-pl050-regs.h @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2013 embedded brains GmbH. All rights reserved. + * + * embedded brains GmbH + * Dornierstr. 4 + * 82178 Puchheim + * Germany + * <info@embedded-brains.de> + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + */ + +#ifndef LIBBSP_ARM_SHARED_ARM_PL050_REGS_H +#define LIBBSP_ARM_SHARED_ARM_PL050_REGS_H + +#include <bsp/utility.h> + +typedef struct { + uint32_t kmicr; +#define PL050_KMICR_KMITYPE BSP_BIT32(5) +#define PL050_KMICR_KMIRXINTREN BSP_BIT32(4) +#define PL050_KMICR_KMITXINTREN BSP_BIT32(3) +#define PL050_KMICR_KMIEN BSP_BIT32(2) +#define PL050_KMICR_FKMID BSP_BIT32(1) +#define PL050_KMICR_FKMIC BSP_BIT32(0) + uint32_t kmistat; +#define PL050_KMISTAT_TXEMPTY BSP_BIT32(6) +#define PL050_KMISTAT_TXBUSY BSP_BIT32(5) +#define PL050_KMISTAT_RXFULL BSP_BIT32(4) +#define PL050_KMISTAT_RXBUSY BSP_BIT32(3) +#define PL050_KMISTAT_RXPARITY BSP_BIT32(2) +#define PL050_KMISTAT_KMIC BSP_BIT32(1) +#define PL050_KMISTAT_KMID BSP_BIT32(0) + uint32_t kmidata; +#define PL050_KMIDATA_KMIDATA(val) BSP_FLD32(val, 0, 7) +#define PL050_KMIDATA_KMIDATA_GET(reg) BSP_FLD32GET(reg, 0, 7) +#define PL050_KMIDATA_KMIDATA_SET(reg, val) BSP_FLD32SET(reg, val, 0, 7) + uint32_t kmiclkdiv; +#define PL050_KMICLKDIV_KMICLKDIV(val) BSP_FLD32(val, 0, 3) +#define PL050_KMICLKDIV_KMICLKDIV_GET(reg) BSP_FLD32GET(reg, 0, 3) +#define PL050_KMICLKDIV_KMICLKDIV_SET(reg, val) BSP_FLD32SET(reg, val, 0, 3) + uint32_t kmiir; +#define PL050_KMIIR_KMITXINTR BSP_BIT32(1) +#define PL050_KMIIR_KMIRXINTR BSP_BIT32(0) +} pl050; + +#endif /* LIBBSP_ARM_SHARED_ARM_PL050_REGS_H */ diff --git a/c/src/lib/libbsp/arm/shared/include/arm-pl050.h b/c/src/lib/libbsp/arm/shared/include/arm-pl050.h new file mode 100644 index 0000000000..4bb6b79f1d --- /dev/null +++ b/c/src/lib/libbsp/arm/shared/include/arm-pl050.h @@ -0,0 +1,30 @@ +/* + * Copyright (c) 2013 embedded brains GmbH. All rights reserved. + * + * embedded brains GmbH + * Dornierstr. 4 + * 82178 Puchheim + * Germany + * <info@embedded-brains.de> + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + */ + +#ifndef LIBBSP_ARM_SHARED_ARM_PL050_H +#define LIBBSP_ARM_SHARED_ARM_PL050_H + +#include <libchip/serial.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +extern const console_fns arm_pl050_fns; + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* LIBBSP_ARM_SHARED_ARM_PL050_H */ |