diff options
| author | Sichen Zhao <1473996754@qq.com> | 2017-07-11 18:51:19 +0800 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-07-12 08:38:20 +0200 |
| commit | f6115d7cd2d1551a05cd257ac9f00476c61e5e0d (patch) | |
| tree | 202b00720c825d4c873d17778e31f9a26e2f457b | |
| parent | Add interrupt vector set/get affinity (diff) | |
| download | rtems-f6115d7cd2d1551a05cd257ac9f00476c61e5e0d.tar.bz2 | |
bsp/beagle: Add FDT support for Beaglebone Black
| -rw-r--r-- | c/src/lib/libbsp/arm/beagle/Makefile.am | 1 | ||||
| -rw-r--r-- | c/src/lib/libbsp/arm/beagle/configure.ac | 9 | ||||
| -rw-r--r-- | c/src/lib/libbsp/arm/beagle/include/bsp.h | 6 | ||||
| -rw-r--r-- | c/src/lib/libbsp/arm/beagle/startup/bspstart.c | 6 | ||||
| -rwxr-xr-x | c/src/lib/libbsp/arm/shared/start/start.S | 5 |
5 files changed, 26 insertions, 1 deletions
diff --git a/c/src/lib/libbsp/arm/beagle/Makefile.am b/c/src/lib/libbsp/arm/beagle/Makefile.am index 8e10ee2fd2..e7c44a11fc 100644 --- a/c/src/lib/libbsp/arm/beagle/Makefile.am +++ b/c/src/lib/libbsp/arm/beagle/Makefile.am @@ -76,6 +76,7 @@ libbsp_a_LIBADD = # Shared libbsp_a_SOURCES += ../../shared/bootcard.c +libbsp_a_SOURCES += ../../shared/src/bsp-fdt.c libbsp_a_SOURCES += ../../shared/bspclean.c libbsp_a_SOURCES += ../../shared/bspgetworkarea.c libbsp_a_SOURCES += ../../shared/bsppredriverhook.c diff --git a/c/src/lib/libbsp/arm/beagle/configure.ac b/c/src/lib/libbsp/arm/beagle/configure.ac index b0c99a3e7c..f5352b55bc 100644 --- a/c/src/lib/libbsp/arm/beagle/configure.ac +++ b/c/src/lib/libbsp/arm/beagle/configure.ac @@ -18,6 +18,15 @@ RTEMS_PROG_CC_FOR_TARGET RTEMS_CANONICALIZE_TOOLS RTEMS_PROG_CCAS +RTEMS_BSPOPTS_SET([BSP_START_COPY_FDT_FROM_U_BOOT],[*],[1]) +RTEMS_BSPOPTS_HELP([BSP_START_COPY_FDT_FROM_U_BOOT],[copy the U-Boot provided FDT to an internal storage]) + +RTEMS_BSPOPTS_SET([BSP_FDT_BLOB_SIZE_MAX],[*],[262144]) +RTEMS_BSPOPTS_HELP([BSP_FDT_BLOB_SIZE_MAX],[maximum size of the FDT blob in bytes]) + +RTEMS_BSPOPTS_SET([BSP_FDT_BLOB_READ_ONLY],[*],[1]) +RTEMS_BSPOPTS_HELP([BSP_FDT_BLOB_READ_ONLY],[place the FDT blob into the read-only data area]) + RTEMS_BSPOPTS_SET([IS_DM3730],[beagleboard*],[1]) RTEMS_BSPOPTS_HELP([IS_DM3730],[true if SOC is DM3730]) diff --git a/c/src/lib/libbsp/arm/beagle/include/bsp.h b/c/src/lib/libbsp/arm/beagle/include/bsp.h index d9fd2ae7fb..1a69b5e308 100644 --- a/c/src/lib/libbsp/arm/beagle/include/bsp.h +++ b/c/src/lib/libbsp/arm/beagle/include/bsp.h @@ -187,6 +187,10 @@ static inline void flush_data_cache(void) #define BSP_GPIO_PINS_PER_BANK 32 #endif +#if BSP_START_COPY_FDT_FROM_U_BOOT +#define BSP_FDT_IS_SUPPORTED +#endif + /* i2c stuff */ typedef struct { uint32_t rx_or_tx; @@ -357,4 +361,4 @@ static inline void write_ttbr0(uint32_t bar) */ BSP_START_TEXT_SECTION void beagle_setup_mmu_and_cache(void); -#endif /* LIBBSP_ARM_BEAGLE_BSP_H */
\ No newline at end of file +#endif /* LIBBSP_ARM_BEAGLE_BSP_H */ diff --git a/c/src/lib/libbsp/arm/beagle/startup/bspstart.c b/c/src/lib/libbsp/arm/beagle/startup/bspstart.c index b1565640c6..3cc6935474 100644 --- a/c/src/lib/libbsp/arm/beagle/startup/bspstart.c +++ b/c/src/lib/libbsp/arm/beagle/startup/bspstart.c @@ -15,6 +15,7 @@ #include <bsp.h> #include <bsp/bootcard.h> #include <bsp/irq-generic.h> +#include <bsp/fdt.h> void bsp_start(void) { @@ -27,3 +28,8 @@ void bsp_start(void) bsp_interrupt_initialize(); printk("\nRTEMS Beagleboard: %s\n", type); } + +uint32_t bsp_fdt_map_intr(uint32_t intr) +{ + return intr; +} diff --git a/c/src/lib/libbsp/arm/shared/start/start.S b/c/src/lib/libbsp/arm/shared/start/start.S index c5263ece7b..547cce3d2c 100755 --- a/c/src/lib/libbsp/arm/shared/start/start.S +++ b/c/src/lib/libbsp/arm/shared/start/start.S @@ -183,6 +183,11 @@ _start: bl bsp_start_init_registers_core #endif +#ifdef BSP_START_COPY_FDT_FROM_U_BOOT + mov r0, r6 + bl bsp_fdt_copy +#endif + #ifdef RTEMS_SMP /* Read MPIDR and get current processor index */ mrc p15, 0, r0, c0, c0, 5 |