[rtems commit] bsp/lpc24xx: Add PL111 support
Sebastian Huber
sebh at rtems.org
Fri Jan 10 20:38:07 UTC 2014
Module: rtems
Branch: master
Commit: 8fdf4e57f87ce16cac7739adb26ee11e1098ceb1
Changeset: http://git.rtems.org/rtems/commit/?id=8fdf4e57f87ce16cac7739adb26ee11e1098ceb1
Author: Sebastian Huber <sebastian.huber at embedded-brains.de>
Date: Wed Jan 1 19:42:55 2014 +0100
bsp/lpc24xx: Add PL111 support
---
c/src/lib/libbsp/arm/lpc24xx/Makefile.am | 6 +
c/src/lib/libbsp/arm/lpc24xx/include/bsp.h | 10 ++
c/src/lib/libbsp/arm/lpc24xx/preinstall.am | 8 ++
c/src/lib/libbsp/arm/lpc24xx/startup/fb-config.c | 141 ++++++++++++++++++++++
4 files changed, 165 insertions(+), 0 deletions(-)
diff --git a/c/src/lib/libbsp/arm/lpc24xx/Makefile.am b/c/src/lib/libbsp/arm/lpc24xx/Makefile.am
index 9aa574d..28ef708 100644
--- a/c/src/lib/libbsp/arm/lpc24xx/Makefile.am
+++ b/c/src/lib/libbsp/arm/lpc24xx/Makefile.am
@@ -32,6 +32,8 @@ include_bsp_HEADERS += ../../shared/include/stackalloc.h
include_bsp_HEADERS += ../../shared/include/uart-output-char.h
include_bsp_HEADERS += ../../shared/tod.h
include_bsp_HEADERS += ../shared/include/start.h
+include_bsp_HEADERS += ../shared/include/arm-pl111-fb.h
+include_bsp_HEADERS += ../shared/include/arm-pl111-regs.h
include_bsp_HEADERS += ../shared/lpc/include/lpc-timer.h
include_bsp_HEADERS += ../shared/lpc/include/lpc-i2s.h
include_bsp_HEADERS += ../shared/lpc/include/lpc-emc.h
@@ -154,6 +156,10 @@ libbsp_a_SOURCES += ssp/ssp.c
libbsp_a_SOURCES += i2c/i2c.c \
i2c/i2c-config.c
+# Framebuffer
+libbsp_a_SOURCES += ../shared/arm-pl111-fb.c
+libbsp_a_SOURCES += startup/fb-config.c
+
# Cache
libbsp_a_SOURCES += ../../../libcpu/shared/src/cache_manager.c
libbsp_a_SOURCES += ../../../libcpu/arm/shared/include/cache_.h
diff --git a/c/src/lib/libbsp/arm/lpc24xx/include/bsp.h b/c/src/lib/libbsp/arm/lpc24xx/include/bsp.h
index 15dc110..d4a2065 100644
--- a/c/src/lib/libbsp/arm/lpc24xx/include/bsp.h
+++ b/c/src/lib/libbsp/arm/lpc24xx/include/bsp.h
@@ -117,6 +117,16 @@ bool lpc24xx_uart_probe_2(int minor);
bool lpc24xx_uart_probe_3(int minor);
+typedef enum {
+ BSP_ARM_PL111_FATAL_REGISTER_DEV,
+ BSP_ARM_PL111_FATAL_SEM_CREATE,
+ BSP_ARM_PL111_FATAL_SEM_RELEASE,
+ LPC24XX_FATAL_PL111_SET_UP,
+ LPC24XX_FATAL_PL111_PINS_SET_UP,
+ LPC24XX_FATAL_PL111_PINS_TEAR_DOWN,
+ LPC24XX_FATAL_PL111_TEAR_DOWN
+} lpc24xx_fatal_code;
+
/** @} */
#ifdef __cplusplus
diff --git a/c/src/lib/libbsp/arm/lpc24xx/preinstall.am b/c/src/lib/libbsp/arm/lpc24xx/preinstall.am
index a65f0fa..a022b02 100644
--- a/c/src/lib/libbsp/arm/lpc24xx/preinstall.am
+++ b/c/src/lib/libbsp/arm/lpc24xx/preinstall.am
@@ -81,6 +81,14 @@ $(PROJECT_INCLUDE)/bsp/start.h: ../shared/include/start.h $(PROJECT_INCLUDE)/bsp
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/start.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/start.h
+$(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 += $(PROJECT_INCLUDE)/bsp/arm-pl111-fb.h
+
+$(PROJECT_INCLUDE)/bsp/arm-pl111-regs.h: ../shared/include/arm-pl111-regs.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
+ $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/arm-pl111-regs.h
+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/arm-pl111-regs.h
+
$(PROJECT_INCLUDE)/bsp/lpc-timer.h: ../shared/lpc/include/lpc-timer.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/lpc-timer.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/lpc-timer.h
diff --git a/c/src/lib/libbsp/arm/lpc24xx/startup/fb-config.c b/c/src/lib/libbsp/arm/lpc24xx/startup/fb-config.c
new file mode 100644
index 0000000..101f993
--- /dev/null
+++ b/c/src/lib/libbsp/arm/lpc24xx/startup/fb-config.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2013 embedded brains GmbH. All rights reserved.
+ *
+ * embedded brains GmbH
+ * Dornierstr. 4
+ * 82178 Puchheim
+ * Germany
+ * <info at 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 <bsp/arm-pl111-fb.h>
+
+#include <bsp.h>
+#include <bsp/io.h>
+#include <bsp/lcd.h>
+#include <bsp/lpc24xx.h>
+
+static const lpc24xx_pin_range tft_16_bit_5_6_5_pins[] = {
+ LPC24XX_PIN_LCD_DCLK,
+ LPC24XX_PIN_LCD_FP,
+ LPC24XX_PIN_LCD_LP,
+ LPC24XX_PIN_LCD_VD_3_P4_29,
+ LPC24XX_PIN_LCD_VD_4_P2_6,
+ LPC24XX_PIN_LCD_VD_5_P2_7,
+ LPC24XX_PIN_LCD_VD_6_P2_8,
+ LPC24XX_PIN_LCD_VD_7_P2_9,
+ LPC24XX_PIN_LCD_VD_10_P1_20,
+ LPC24XX_PIN_LCD_VD_11_P1_21,
+ LPC24XX_PIN_LCD_VD_12_P1_22,
+ LPC24XX_PIN_LCD_VD_13_P1_23,
+ LPC24XX_PIN_LCD_VD_14_P1_24,
+ LPC24XX_PIN_LCD_VD_15_P1_25,
+ LPC24XX_PIN_LCD_VD_19_P2_13,
+ LPC24XX_PIN_LCD_VD_20_P1_26,
+ LPC24XX_PIN_LCD_VD_21_P1_27,
+ LPC24XX_PIN_LCD_VD_22_P1_28,
+ LPC24XX_PIN_LCD_VD_23_P1_29,
+ LPC24XX_PIN_TERMINAL
+};
+
+static void fb_set_up(const pl111_fb_config *cfg)
+{
+ rtems_status_code sc;
+
+ sc = lpc24xx_module_enable(LPC24XX_MODULE_LCD, LPC24XX_MODULE_PCLK_DEFAULT);
+ if (sc != RTEMS_SUCCESSFUL) {
+ rtems_fatal(RTEMS_FATAL_SOURCE_BSP_SPECIFIC, LPC24XX_FATAL_PL111_SET_UP);
+ }
+
+ #ifdef ARM_MULTILIB_ARCH_V4
+ PINSEL11 = BSP_FLD32(LCD_MODE_TFT_16_BIT_5_6_5, 1, 3) | LCD_ENABLE;
+ #endif
+
+ #ifdef ARM_MULTILIB_ARCH_V7M
+ volatile lpc17xx_scb *scb = &LPC17XX_SCB;
+
+ scb->matrixarb = 0x0c09;
+ #endif
+}
+
+static void fb_pins_set_up(const pl111_fb_config *cfg)
+{
+ rtems_status_code sc;
+
+ sc = lpc24xx_pin_config(tft_16_bit_5_6_5_pins, LPC24XX_PIN_SET_FUNCTION);
+ if (sc != RTEMS_SUCCESSFUL) {
+ rtems_fatal(
+ RTEMS_FATAL_SOURCE_BSP_SPECIFIC,
+ LPC24XX_FATAL_PL111_PINS_SET_UP
+ );
+ }
+}
+
+static void fb_pins_tear_down(const pl111_fb_config *cfg)
+{
+ rtems_status_code sc;
+
+ sc = lpc24xx_pin_config(tft_16_bit_5_6_5_pins, LPC24XX_PIN_SET_INPUT);
+ if (sc != RTEMS_SUCCESSFUL) {
+ rtems_fatal(
+ RTEMS_FATAL_SOURCE_BSP_SPECIFIC,
+ LPC24XX_FATAL_PL111_PINS_TEAR_DOWN
+ );
+ }
+}
+
+static void fb_tear_down(const pl111_fb_config *cfg)
+{
+ rtems_status_code sc;
+
+ #ifdef ARM_MULTILIB_ARCH_V4
+ PINSEL11 = 0;
+ #endif
+
+ sc = lpc24xx_module_disable(LPC24XX_MODULE_LCD);
+ if (sc != RTEMS_SUCCESSFUL) {
+ rtems_fatal(
+ RTEMS_FATAL_SOURCE_BSP_SPECIFIC,
+ LPC24XX_FATAL_PL111_TEAR_DOWN
+ );
+ }
+}
+
+static const pl111_fb_config fb_config = {
+ .regs = (volatile pl111 *) LCD_BASE_ADDR,
+
+ .timing0 = PL111_LCD_TIMING0_PPL(640 / 16 - 1)
+ | PL111_LCD_TIMING0_HSW(0x1d)
+ | PL111_LCD_TIMING0_HFP(0x0f)
+ | PL111_LCD_TIMING0_HBP(0x71),
+ .timing1 = PL111_LCD_TIMING1_LPP(480 - 1)
+ | PL111_LCD_TIMING1_VSW(0x02)
+ | PL111_LCD_TIMING1_VFP(0x0a)
+ | PL111_LCD_TIMING1_VBP(0x20),
+ .timing2 = PL111_LCD_TIMING2_PCD_LO(0x3)
+ | PL111_LCD_TIMING2_ACB(0x0)
+ | PL111_LCD_TIMING2_IVS
+ | PL111_LCD_TIMING2_IHS
+ | PL111_LCD_TIMING2_IPC
+ | PL111_LCD_TIMING2_CPL(640 - 1)
+ | PL111_LCD_TIMING2_PCD_HI(0x0),
+ .timing3 = 0x0,
+ .control = PL111_LCD_CONTROL_LCD_TFT
+ | PL111_LCD_CONTROL_LCD_BPP(PL111_LCD_CONTROL_LCD_BPP_16)
+ | PL111_LCD_CONTROL_BGR,
+ .power_delay_in_us = 100000,
+
+ .set_up = fb_set_up,
+ .pins_set_up = fb_pins_set_up,
+ .pins_tear_down = fb_pins_tear_down,
+ .tear_down = fb_tear_down
+};
+
+const pl111_fb_config *arm_pl111_fb_get_config(void)
+{
+ return &fb_config;
+}
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