From 8fdf4e57f87ce16cac7739adb26ee11e1098ceb1 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Wed, 1 Jan 2014 19:42:55 +0100 Subject: 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(+) create mode 100644 c/src/lib/libbsp/arm/lpc24xx/startup/fb-config.c diff --git a/c/src/lib/libbsp/arm/lpc24xx/Makefile.am b/c/src/lib/libbsp/arm/lpc24xx/Makefile.am index 9aa574da7a..28ef7088bd 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 15dc1109b3..d4a20658cd 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 a65f0fa4b2..a022b0242d 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 0000000000..101f9930c5 --- /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 + * + * + * 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 + +#include +#include +#include +#include + +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; +} -- cgit v1.2.3