2009-06-04 Xi Yang <hiyangxi@gmail.com>

* .cvsignore, ChangeLog, Makefile.am, README, bsp_specs, configure.ac, preinstall.am, console/uarts.c, include/bsp.h, include/bspopts.h.in, include/tm27.h, start/start.S, startup/bspstart.c, startup/linkcmds, startup/memmap.c: New files.
2026-11-14 02:02:39 +08:00 · 2009-06-04 16:23:11 +00:00
1 parent efb0cf6947
commit 6e27be70e1
@@ -0,0 +1,8 @@
+Makefile
+Makefile.in
+aclocal.m4
+autom4te.cache
+config.cache
+config.log
+config.status
+configure
@@ -0,0 +1,7 @@
+2009-06-04	Xi Yang <hiyangxi@gmail.com>
+
+	* .cvsignore, ChangeLog, Makefile.am, README, bsp_specs, configure.ac,
+	preinstall.am, console/uarts.c, include/bsp.h, include/bspopts.h.in,
+	include/tm27.h, start/start.S, startup/bspstart.c, startup/linkcmds,
+	startup/memmap.c: New files.
+
@@ -0,0 +1,62 @@
+##
+## $Id$
+##
+
+ACLOCAL_AMFLAGS = -I ../../../../aclocal
+
+include $(top_srcdir)/../../../../automake/compile.am
+include $(top_srcdir)/../../bsp.am
+
+include_bspdir = $(includedir)/bsp
+
+dist_project_lib_DATA = bsp_specs
+
+include_HEADERS = include/bsp.h
+include_HEADERS += include/tm27.h
+
+nodist_include_HEADERS = include/bspopts.h
+nodist_include_bsp_HEADERS = ../../shared/include/bootcard.h
+DISTCLEANFILES = include/bspopts.h
+noinst_PROGRAMS =
+
+nodist_include_HEADERS += ../../shared/include/coverhd.h
+
+EXTRA_DIST = start/start.S
+start.$(OBJEXT): start/start.S
+	$(CPPASCOMPILE) -o $@ -c $<
+project_lib_DATA = start.$(OBJEXT)
+
+dist_project_lib_DATA += startup/linkcmds
+
+noinst_PROGRAMS += startup.rel
+startup_rel_SOURCES = ../../shared/bsplibc.c ../../shared/bsppost.c \
+	../../shared/bsppredriverhook.c ../../shared/bspgetworkarea.c \
+	../../shared/bootcard.c ../../shared/sbrk.c \
+    	../../shared/gnatinstallhandler.c ../../shared/bsppretaskinghook.c \
+	../../shared/bspclean.c ../../shared/bspreset.c \
+    	startup/bspstart.c startup/memmap.c 
+
+startup_rel_CPPFLAGS = $(AM_CPPFLAGS)
+startup_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
+
+noinst_PROGRAMS += console.rel
+console_rel_SOURCES = console/uarts.c ../../shared/console.c
+console_rel_CPPFLAGS = $(AM_CPPFLAGS)
+console_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
+
+noinst_PROGRAMS += abort.rel
+abort_rel_SOURCES = ../shared/abort/abort.c
+abort_rel_CPPFLAGS = $(AM_CPPFLAGS)
+abort_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
+
+noinst_LIBRARIES = libbsp.a
+libbsp_a_SOURCES =
+libbsp_a_LIBADD = startup.rel console.rel abort.rel
+libbsp_a_LIBADD += ../../../libcpu/@RTEMS_CPU@/shared/arm920.rel \
+    ../../../libcpu/@RTEMS_CPU@/@RTEMS_CPU_MODEL@/clock.rel \
+    ../../../libcpu/@RTEMS_CPU@/@RTEMS_CPU_MODEL@/timer.rel \
+    ../../../libcpu/@RTEMS_CPU@/@RTEMS_CPU_MODEL@/ffuart.rel \
+    ../../../libcpu/@RTEMS_CPU@/@RTEMS_CPU_MODEL@/irq.rel
+
+include $(srcdir)/preinstall.am
+include $(top_srcdir)/../../../../automake/local.am
@@ -0,0 +1,6 @@
+#
+#  $Id$
+#
+
+This is the BSP for GUMSTIX which has a PXA255 CPU.
+
@@ -0,0 +1,13 @@
+%rename endfile old_endfile
+%rename startfile old_startfile
+%rename link old_link
+
+*startfile:
+%{!qrtems: %(old_startfile)} \
+%{!nostdlib: %{qrtems: start.o%s crti.o%s crtbegin.o%s}}
+
+*link:
+%{!qrtems: %(old_link)} %{qrtems: -Qy -dp -Bstatic -N -e _start}
+
+*endfile:
+%{!qrtems: *(old_endfiles)} %{qrtems: crtend.o%s crtn.o%s }
@@ -0,0 +1,23 @@
+## Process this file with autoconf to produce a configure script.
+## 
+## configure.ac,v 1.5 2003/03/11 09:39:07 ralf Exp
+
+AC_PREREQ(2.60)
+AC_INIT([rtems-c-src-lib-libbsp-arm-gumstix],[_RTEMS_VERSION],[rtems-bugs@OARcorp.com])
+AC_CONFIG_SRCDIR([bsp_specs])
+RTEMS_TOP(../../../../../..)
+
+RTEMS_CANONICAL_TARGET_CPU
+AM_INIT_AUTOMAKE([no-define nostdinc foreign 1.10])
+RTEMS_BSP_CONFIGURE
+
+RTEMS_PROG_CC_FOR_TARGET([-ansi -fasm])
+RTEMS_CANONICALIZE_TOOLS
+RTEMS_PROG_CCAS
+
+RTEMS_CHECK_NETWORKING 
+AM_CONDITIONAL(HAS_NETWORKING,test "$HAS_NETWORKING" = "yes")
+
+# Explicitly list all Makefiles here
+AC_CONFIG_FILES([Makefile])
+AC_OUTPUT
@@ -0,0 +1,71 @@
+/*
+ *  Console driver for GUMSTIX by Yang Xi <hiyangxi@gmail.com>
+ *
+ *  This driver uses the shared console driver in 
+ *  ...../libbsp/shared/console.c
+ *
+ *  Copyright (c) 2003 by Cogent Computer Systems
+ *  Written by Jay Monkman <jtm@lopingdog.com> 
+ *
+ *  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.
+ *
+ *  $Id$
+ */
+
+#include <bsp.h>
+#include <rtems/libio.h>
+#include <termios.h>
+#include <rtems/bspIo.h>
+
+#include <pxa255.h>
+#include <libchip/serial.h>
+#include <libchip/sersupp.h>
+
+/* How many serial ports? */
+#define NUM_DEVS       1
+
+/* These are used by code in console.c */
+unsigned long Console_Port_Count = NUM_DEVS;
+console_data  Console_Port_Data[NUM_DEVS];
+
+/* rtems console uses the following minor number */
+rtems_device_minor_number  Console_Port_Minor = 0;
+extern console_fns ffuart_fns;
+
+/* 
+ * There's one item in array for each UART.
+ *
+ * Some of these fields are marked "NOT USED". They are not used
+ * by console.c, but may be used by drivers in libchip
+ *
+ * when we add other types of UARTS we will need to move this
+ * structure to a generic uart.c file with only this in it
+ */
+console_tbl Console_Port_Tbl[] = {
+    {
+        "/dev/console",    /* sDeviceName */
+        SERIAL_CUSTOM,     /* deviceType */
+        &ffuart_fns,         /* pDeviceFns */
+        NULL,              /* deviceProbe */
+        NULL,              /* pDeviceFlow */
+        0,                 /* ulMargin - NOT USED */
+        0,                 /* ulHysteresis - NOT USED */
+        NULL,              /* pDeviceParams */
+        FFUART_BASE,         /* ulCtrlPort1  - Pointer to DBGU regs */
+        0,                 /* ulCtrlPort2  - NOT USED */
+        0,                 /* ulDataPort  - NOT USED */
+        NULL,              /* getRegister - NOT USED */
+        NULL,              /* setRegister - NOT USED */
+        NULL,              /* getData - NOT USED */
+        NULL,              /* setData - NOT USED */
+        0,                 /* ulClock - NOT USED */
+        0                  /* ulIntVector - NOT USED */
+    }};
+
+
+console_tbl *BSP_get_uart_from_minor(int minor)
+{
+    return &Console_Port_Tbl[minor];
+}
@@ -0,0 +1,50 @@
+/*
+ *  By Yang Xi <hiyangxi@gmail.com>.
+ *
+ *  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.
+ *
+ *  $Id$
+ */
+
+#ifndef _BSP_H
+#define _BSP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <bspopts.h>
+
+#include <rtems.h>
+#include <rtems/console.h>
+#include <rtems/clockdrv.h>
+#include <libchip/serial.h>
+
+/* What is the input clock freq in hertz */
+#define BSP_MAIN_FREQ 3686400      /* 3.6864 MHz */
+#define BSP_SLCK_FREQ   32768      /* 32.768 KHz */
+
+/* What is the last interrupt */
+#define BSP_MAX_INT AT91RM9200_MAX_INT
+
+console_tbl *BSP_get_uart_from_minor(int minor);
+static inline int32_t BSP_get_baud(void) {return 115200;}
+
+/* How many serial ports? */
+#define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 1
+
+/* How big should the interrupt stack be? */
+#define CONFIGURE_INTERRUPT_STACK_MEMORY  (16 * 1024)
+
+extern rtems_configuration_table Configuration;
+
+#define ST_PIMR_PIV	33	/* 33 ticks of the 32.768Khz clock ~= 1msec */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BSP_H */
+
@@ -0,0 +1,16 @@
+/* include/bspopts.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
@@ -0,0 +1,32 @@
+/*
+ *  tm27.h
+ *
+ *  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.
+ *
+ *  $Id$
+ */
+
+#ifndef _RTEMS_TMTEST27
+#error "This is an RTEMS internal file you must not include directly."
+#endif
+
+#ifndef __tm27_h
+#define __tm27_h
+
+/*
+ *  Define the interrupt mechanism for Time Test 27
+ */
+
+#define MUST_WAIT_FOR_INTERRUPT 0
+
+#define Install_tm27_vector( handler ) /* empty */
+
+#define Cause_tm27_intr() /* empty */
+
+#define Clear_tm27_intr() /* empty */
+
+#define Lower_tm27_intr() /* empty */
+
+#endif
@@ -0,0 +1,67 @@
+## Automatically generated by ampolish3 - Do not edit
+
+if AMPOLISH3
+$(srcdir)/preinstall.am: Makefile.am
+	$(AMPOLISH3) $(srcdir)/Makefile.am > $(srcdir)/preinstall.am
+endif
+
+PREINSTALL_DIRS =
+DISTCLEANFILES += $(PREINSTALL_DIRS)
+
+all-local: $(TMPINSTALL_FILES)
+
+TMPINSTALL_FILES =
+CLEANFILES = $(TMPINSTALL_FILES)
+
+all-am: $(PREINSTALL_FILES)
+
+PREINSTALL_FILES =
+CLEANFILES += $(PREINSTALL_FILES)
+
+$(PROJECT_LIB)/$(dirstamp):
+	@$(MKDIR_P) $(PROJECT_LIB)
+	@: > $(PROJECT_LIB)/$(dirstamp)
+PREINSTALL_DIRS += $(PROJECT_LIB)/$(dirstamp)
+
+$(PROJECT_INCLUDE)/$(dirstamp):
+	@$(MKDIR_P) $(PROJECT_INCLUDE)
+	@: > $(PROJECT_INCLUDE)/$(dirstamp)
+PREINSTALL_DIRS += $(PROJECT_INCLUDE)/$(dirstamp)
+
+$(PROJECT_INCLUDE)/bsp/$(dirstamp):
+	@$(MKDIR_P) $(PROJECT_INCLUDE)/bsp
+	@: > $(PROJECT_INCLUDE)/bsp/$(dirstamp)
+PREINSTALL_DIRS += $(PROJECT_INCLUDE)/bsp/$(dirstamp)
+
+$(PROJECT_LIB)/bsp_specs: bsp_specs $(PROJECT_LIB)/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_LIB)/bsp_specs
+PREINSTALL_FILES += $(PROJECT_LIB)/bsp_specs
+
+$(PROJECT_INCLUDE)/bsp.h: include/bsp.h $(PROJECT_INCLUDE)/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp.h
+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp.h
+
+$(PROJECT_INCLUDE)/tm27.h: include/tm27.h $(PROJECT_INCLUDE)/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/tm27.h
+PREINSTALL_FILES += $(PROJECT_INCLUDE)/tm27.h
+
+$(PROJECT_INCLUDE)/bspopts.h: include/bspopts.h $(PROJECT_INCLUDE)/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bspopts.h
+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bspopts.h
+
+$(PROJECT_INCLUDE)/bsp/bootcard.h: ../../shared/include/bootcard.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/bootcard.h
+PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/bootcard.h
+
+$(PROJECT_INCLUDE)/coverhd.h: ../../shared/include/coverhd.h $(PROJECT_INCLUDE)/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/coverhd.h
+PREINSTALL_FILES += $(PROJECT_INCLUDE)/coverhd.h
+
+$(PROJECT_LIB)/start.$(OBJEXT): start.$(OBJEXT) $(PROJECT_LIB)/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_LIB)/start.$(OBJEXT)
+TMPINSTALL_FILES += $(PROJECT_LIB)/start.$(OBJEXT)
+
+$(PROJECT_LIB)/linkcmds: startup/linkcmds $(PROJECT_LIB)/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds
+PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds
+
@@ -0,0 +1,149 @@
+/*
+ *  By Yang Xi <hiyangxi@gmail.com>.
+ *  Based upon CSB336
+ *
+ *  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.
+ *
+ *  $Id$
+ */
+
+                
+/* Some standard definitions...*/
+.equ PSR_MODE_USR,       0x10
+.equ PSR_MODE_FIQ,       0x11
+.equ PSR_MODE_IRQ,       0x12
+.equ PSR_MODE_SVC,       0x13
+.equ PSR_MODE_ABT,       0x17
+.equ PSR_MODE_UNDEF,     0x1B
+.equ PSR_MODE_SYS,       0x1F
+
+.equ PSR_I,              0x80
+.equ PSR_F,              0x40
+.equ PSR_T,              0x20
+
+.text
+.globl  _start
+_start:
+        /* 
+         * Since I don't plan to return to the bootloader,
+         * I don't have to save the registers.
+         *
+         * I'll just set the CPSR for SVC mode, interrupts 
+         * off, and ARM instructions.
+         */
+        mov     r0, #(PSR_MODE_SVC | PSR_I | PSR_F)
+        msr     cpsr, r0
+
+
+        /* zero the bss */
+        ldr     r1, =_bss_end_
+        ldr     r0, =_bss_start_
+
+_bss_init:        
+        mov     r2, #0
+        cmp     r0, r1
+        strlot  r2, [r0], #4
+        blo     _bss_init        /* loop while r0 < r1 */ 
+
+        /* --- Initialize stack pointer registers */
+        /* Enter IRQ mode and set up the IRQ stack pointer */
+        mov     r0, #(PSR_MODE_IRQ | PSR_I | PSR_F)     /* No interrupts */
+        msr     cpsr, r0
+        ldr     r1, =_irq_stack_size
+        ldr     sp, =_irq_stack
+        add     sp, sp, r1
+
+        /* Enter FIQ mode and set up the FIQ stack pointer */
+        mov     r0, #(PSR_MODE_FIQ | PSR_I | PSR_F)     /* No interrupts */
+        msr     cpsr, r0
+        ldr     r1, =_fiq_stack_size
+        ldr     sp, =_fiq_stack
+        add     sp, sp, r1
+
+        /* Enter ABT mode and set up the ABT stack pointer */
+        mov     r0, #(PSR_MODE_ABT | PSR_I | PSR_F)     /* No interrupts */
+        msr     cpsr, r0
+        ldr     r1, =_abt_stack_size
+        ldr     sp, =_abt_stack
+        add     sp, sp, r1
+        
+        /* Set up the SVC stack pointer last and stay in SVC mode */
+        mov     r0, #(PSR_MODE_SVC | PSR_I | PSR_F)     /* No interrupts */
+        msr     cpsr, r0
+        ldr     r1, =_svc_stack_size
+        ldr     sp, =_svc_stack
+        add     sp, sp, r1
+        sub     sp, sp, #0x64   
+
+        /* 
+         * Initialize the MMU. After we return, the MMU is enabled,
+         * and memory may be remapped. I hope we don't remap this
+         * memory away.
+         */
+
+	ldr     r0, =mem_map
+	bl	mmu_init
+
+
+
+        /* 
+         * Initialize the exception vectors. This includes the
+         * exceptions vectors (0x00000000-0x0000001c), and the 
+         * pointers to the exception handlers (0x00000020-0x0000003c).
+         */
+        mov     r0, #0
+        adr     r1, vector_block
+        ldmia   r1!, {r2-r9}
+        stmia   r0!, {r2-r9}
+        ldmia   r1!, {r2-r9}
+        stmia   r0!, {r2-r9}
+
+
+
+        /* Now we are prepared to start the BSP's C code */
+        bl      boot_card
+
+        /* 
+         * Theoretically, we could return to what started us up,
+         * but we'd have to have saved the registers and stacks.
+         * Instead, we'll just reset.
+         */
+        bl      bsp_reset
+
+        /* We shouldn't get here. If we do, hang */
+_hang:  b       _hang
+
+        
+/* 
+ * This is the exception vector table and the pointers to
+ * the functions that handle the exceptions. It's a total
+ * of 16 words (64 bytes)
+ */
+vector_block:   
+        ldr     pc, Reset_Handler
+        ldr     pc, Undefined_Handler
+        ldr     pc, SWI_Handler
+        ldr     pc, Prefetch_Handler
+        ldr     pc, Abort_Handler
+        nop
+        ldr     pc, IRQ_Handler
+        ldr     pc, FIQ_Handler
+
+Reset_Handler:          b       bsp_reset
+Undefined_Handler:      b       Undefined_Handler
+SWI_Handler:            b       SWI_Handler 
+Prefetch_Handler:       b       Prefetch_Handler
+Abort_Handler:          b       Abort_Handler
+                        nop
+IRQ_Handler:            b       IRQ_Handler
+FIQ_Handler:            b       FIQ_Handler
+
+.globl Reset_Handler
+.globl Undefined_Handler
+.globl SWI_Handler
+.globl Prefetch_Handler
+.globl Abort_Handler
+.globl IRQ_Handler
+.globl FIQ_Handler
@@ -0,0 +1,45 @@
+/*
+ *  By Yang Xi <hiyangxi@gmail.com>.
+ *
+ *  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.
+ *
+ *  $Id$
+ */
+
+#include <bsp.h>
+#include <rtems/libcsupport.h>
+#include <rtems/libio.h>
+#include <pxa255.h>
+
+/* Function prototypes */
+extern void rtems_irq_mngt_init(void);
+
+/*
+ *
+ * NAME: bsp_start_default - BSP initialization function
+ *
+ * DESCRIPTION:
+ *   This function is called before RTEMS is initialized and used
+ *   adjust the kernel's configuration.
+ *
+ *   This function also configures the CPU's memory protection unit.
+ *
+ * RESTRICTIONS/LIMITATIONS:
+ *   Since RTEMS is not configured, no RTEMS functions can be called.
+ *
+ */
+void bsp_start_default( void )
+{
+  /* disable interrupts */
+  XSCALE_INT_ICMR = 0x0;
+  rtems_exception_init_mngt();
+  rtems_irq_mngt_init();
+} /* bsp_start */
+
+/*
+ *  By making this a weak alias for bsp_start_default, a brave soul
+ *  can override the actual bsp_start routine used.
+ */
+void bsp_start (void) __attribute__ ((weak, alias("bsp_start_default")));
@@ -0,0 +1,19 @@
+/*
+ *  Gumstix Memory Map
+ *  2008 By Yang Xi <hiyangxi@gmail.com>
+ *  Copyright (c) 2004 by Cogent Computer Systems
+ *  Written by Jay Monkman <jtm@lopingdog.com>
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <libcpu/mmu.h>
+
+mmu_sect_map_t mem_map[] = {
+/*  <phys addr>  <virt addr> <size> <flags> */
+  {0x40000000, 0x40000000,  20,   MMU_CACHE_NONE},  /*Map I/O*/
+  {0xA0000000, 0x00000000,   1,   MMU_CACHE_NONE},  /*sram*/
+  {0xA0000000, 0xA0000000,  64,   MMU_CACHE_WBACK}, /* SDRAM */    
+  {0x00000000, 0x00000000,   0,   0}                /* The end */
+};