2005-03-11 Philippe Simons <loki_666@fastmail.fm>

* Makefile.am, configure.ac: Added gp32 BSP.
	* s3c2400/.cvsignore, s3c2400/Makefile.am, s3c2400/clock/clockdrv.c,
	s3c2400/include/s3c2400.h, s3c2400/irq/bsp_irq_asm.S,
	s3c2400/irq/bsp_irq_init.c, s3c2400/irq/irq.c, s3c2400/irq/irq.h,
	s3c2400/timer/timer.c: New files.
This commit is contained in:
Jay Monkman
2005-03-11 07:26:45 +00:00
parent c995cd6689
commit 479ac2d84e
12 changed files with 1188 additions and 2 deletions

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@@ -1,3 +1,11 @@
2005-03-11 Philippe Simons <loki_666@fastmail.fm>
* Makefile.am, configure.ac: Added gp32 BSP.
* s3c2400/.cvsignore, s3c2400/Makefile.am, s3c2400/clock/clockdrv.c,
s3c2400/include/s3c2400.h, s3c2400/irq/bsp_irq_asm.S,
s3c2400/irq/bsp_irq_init.c, s3c2400/irq/irq.c, s3c2400/irq/irq.h,
s3c2400/timer/timer.c: New files.
2005-03-08 Jay Monkman <jtm@lopingdog.com> 2005-03-08 Jay Monkman <jtm@lopingdog.com>
* mc9328mxl/irq/irq.h: Fixed error in declaration of bsp_vector_table. * mc9328mxl/irq/irq.h: Fixed error in declaration of bsp_vector_table.

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@@ -4,7 +4,7 @@
ACLOCAL_AMFLAGS = -I ../../../aclocal ACLOCAL_AMFLAGS = -I ../../../aclocal
SUBDIRS = shared at91rm9200 mc9328mxl SUBDIRS = shared at91rm9200 mc9328mxl s3c2400
all-local: $(TMPINSTALL_FILES) all-local: $(TMPINSTALL_FILES)

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@@ -24,14 +24,17 @@ RTEMS_PROG_CCAS
RTEMS_CHECK_CUSTOM_BSP(RTEMS_BSP) RTEMS_CHECK_CUSTOM_BSP(RTEMS_BSP)
AM_CONDITIONAL(shared, test "$RTEMS_CPU_MODEL" = "at91rm9200" || \ AM_CONDITIONAL(shared, test "$RTEMS_CPU_MODEL" = "at91rm9200" || \
test "$RTEMS_CPU_MODEL" = "mc9328mxl") test "$RTEMS_CPU_MODEL" = "mc9328mxl" || \
test "$RTEMS_CPU_MODEL" = "s3c2400")
AM_CONDITIONAL(at91rm9200, test "$RTEMS_CPU_MODEL" = "at91rm9200") AM_CONDITIONAL(at91rm9200, test "$RTEMS_CPU_MODEL" = "at91rm9200")
AM_CONDITIONAL(mc9328mxl, test "$RTEMS_CPU_MODEL" = "mc9328mxl") AM_CONDITIONAL(mc9328mxl, test "$RTEMS_CPU_MODEL" = "mc9328mxl")
AM_CONDITIONAL(s3c2400, test "$RTEMS_CPU_MODEL" = "s3c2400")
# Explicitly list all Makefiles here # Explicitly list all Makefiles here
AC_CONFIG_FILES([Makefile AC_CONFIG_FILES([Makefile
shared/Makefile shared/Makefile
at91rm9200/Makefile at91rm9200/Makefile
mc9328mxl/Makefile mc9328mxl/Makefile
s3c2400/Makefile
]) ])
AC_OUTPUT AC_OUTPUT

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@@ -0,0 +1,2 @@
Makefile.in
Makefile

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@@ -0,0 +1,71 @@
##
## $Id$
##
noinst_PROGRAMS =
include $(top_srcdir)/../../../automake/compile.am
if s3c2400
include_s3c2400dir = $(includedir)/s3c2400
include_libcpudir = $(includedir)/libcpu
include_HEADERS = include/s3c2400.h
## clock
noinst_PROGRAMS += clock.rel
clock_rel_SOURCES = clock/clockdrv.c
clock_rel_CPPFLAGS = $(AM_CPPFLAGS)
clock_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
## timer
noinst_PROGRAMS += timer.rel
timer_rel_SOURCES = timer/timer.c
timer_rel_CPPFLAGS = $(AM_CPPFLAGS)
timer_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
## interrupt
include_HEADERS += irq/irq.h
noinst_PROGRAMS += irq.rel
irq_rel_SOURCES = irq/irq.c irq/bsp_irq_init.c \
../../../libbsp/arm/shared/irq/irq_init.c irq/bsp_irq_asm.S \
../../../libbsp/arm/shared/irq/irq_asm.S irq/irq.h
irq_rel_CPPFLAGS = $(AM_CPPFLAGS)
irq_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
endif
## --
all-local: $(PREINSTALL_FILES)
PREINSTALL_DIRS =
PREINSTALL_FILES =
$(PROJECT_INCLUDE)/$(dirstamp):
@$(mkdir_p) $(PROJECT_INCLUDE)
@: > $(PROJECT_INCLUDE)/$(dirstamp)
PREINSTALL_DIRS += $(PROJECT_INCLUDE)/$(dirstamp)
if s3c2400
$(PROJECT_INCLUDE)/s3c2400/$(dirstamp):
@$(mkdir_p) $(PROJECT_INCLUDE)/s3c2400
@: > $(PROJECT_INCLUDE)/s3c2400/$(dirstamp)
PREINSTALL_DIRS += $(PROJECT_INCLUDE)/s3c2400/$(dirstamp)
$(PROJECT_INCLUDE)/libcpu/$(dirstamp):
@$(mkdir_p) $(PROJECT_INCLUDE)/libcpu
@: > $(PROJECT_INCLUDE)/libcpu/$(dirstamp)
PREINSTALL_DIRS += $(PROJECT_INCLUDE)/libcpu/$(dirstamp)
$(PROJECT_INCLUDE)/s3c2400.h: include/s3c2400.h $(PROJECT_INCLUDE)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/s3c2400.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/s3c2400.h
$(PROJECT_INCLUDE)/irq.h: irq/irq.h $(PROJECT_INCLUDE)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/irq.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/irq.h
endif
CLEANFILES = $(PREINSTALL_FILES)
DISTCLEANFILES = $(PREINSTALL_DIRS)
include $(top_srcdir)/../../../automake/local.am

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@@ -0,0 +1,142 @@
/*
* S3C2400 clock specific using the System Timer
*
* This is hardware specific part of the clock driver. At the end of this
* file, the generic part of the driver is #included.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
*
* http://www.OARcorp.com/rtems/license.html.
*
*
* $Id$
*/
#include <rtems.h>
#include <irq.h>
#include <bsp.h>
#include <s3c2400.h>
/* this is defined in ../../../shared/clockdrv_shell.c */
rtems_isr Clock_isr(rtems_vector_number vector);
static void clock_isr_on(const rtems_irq_connect_data *unused);
static void clock_isr_off(const rtems_irq_connect_data *unused);
static int clock_isr_is_on(const rtems_irq_connect_data *irq);
/* Replace the first value with the clock's interrupt name. */
rtems_irq_connect_data clock_isr_data = {BSP_INT_TIMER4,
(rtems_irq_hdl)Clock_isr,
clock_isr_on,
clock_isr_off,
clock_isr_is_on,
3, /* unused for ARM cpus */
0 }; /* unused for ARM cpus */
/* If you follow the code, this is never used, so any value
* should work
*/
#define CLOCK_VECTOR 0
/**
* When we get the clock interrupt
* - clear the interrupt bit?
* - restart the timer?
*/
#define Clock_driver_support_at_tick() \
do { \
ClearPending(BIT_TIMER4); \
} while(0)
/**
* Installs the clock ISR. You shouldn't need to change this.
*/
#define Clock_driver_support_install_isr( _new, _old ) \
do { \
BSP_install_rtems_irq_handler(&clock_isr_data); \
} while(0)
/**
* Initialize the hardware for the clock
* - Set the frequency
* - enable it
* - clear any pending interrupts
*
* Since you may want the clock always running, you can
* enable interrupts here. If you do so, the clock_isr_on(),
* clock_isr_off(), and clock_isr_is_on() functions can be
* NOPs.
*/
#define Clock_driver_support_initialize_hardware() \
do { \
uint32_t cr; \
uint32_t freq,m,p,s; \
/* set MUX for Timer4 to 1/16 */ \
cr=rTCFG1 & 0xFFF0FFFF; \
rTCFG1=(cr | (3<<16)); \
/* compute MPLL freq */ \
m = M_MDIV + 8; \
p = M_PDIV + 2; \
s = M_SDIV; \
freq =(BSP_OSC_FREQ * m) / (p << s); \
/* PCLK = MPLL/4 */ \
freq = freq / 4; \
/* set TIMER4 counter, input freq=PLCK/16/16Mhz*/ \
freq = (freq /16)/16; \
rTCNTB4 = ((freq / 1000) * BSP_Configuration.microseconds_per_tick) / 1000; \
/*unmask TIMER4 irq*/ \
rINTMSK&=~BIT_TIMER4; \
/* start TIMER4 with autoreload */ \
cr=rTCON & 0xFF8FFFFF; \
rTCON=(cr|(0x6<<20)); \
rTCON=(cr|(0x5<<20)); \
} while (0)
/**
* Do whatever you need to shut the clock down and remove the
* interrupt handler. Since this normally only gets called on
* RTEMS shutdown, you may not need to do anything other than
* remove the ISR.
*/
#define Clock_driver_support_shutdown_hardware() \
do { \
/* Disable timer */ \
BSP_remove_rtems_irq_handler(&clock_isr_data); \
} while (0)
/**
* Enables clock interrupt.
*
* If the interrupt is always on, this can be a NOP.
*/
static void clock_isr_on(const rtems_irq_connect_data *unused)
{
return;
}
/**
* Disables clock interrupts
*
* If the interrupt is always on, this can be a NOP.
*/
static void clock_isr_off(const rtems_irq_connect_data *unused)
{
return;
}
/**
* Tests to see if clock interrupt is enabled, and returns 1 if so.
* If interrupt is not enabled, returns 0.
*
* If the interrupt is always on, this always returns 1.
*/
static int clock_isr_is_on(const rtems_irq_connect_data *irq)
{
return 1;
}
/* Make sure to include this, and only at the end of the file */
#include "../../../../libbsp/shared/clockdrv_shell.c"

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@@ -0,0 +1,444 @@
/************************************************
* NAME : s3c2400.h
* Version : 3.7.2002
*
* Based on 24x.h for the Samsung Development Board
************************************************/
#ifndef __S3C2400_H__
#define __S3C2400_H__
/* Memory control */
#define rBWSCON (*(volatile unsigned *)0x14000000)
#define rBANKCON0 (*(volatile unsigned *)0x14000004)
#define rBANKCON1 (*(volatile unsigned *)0x14000008)
#define rBANKCON2 (*(volatile unsigned *)0x1400000C)
#define rBANKCON3 (*(volatile unsigned *)0x14000010)
#define rBANKCON4 (*(volatile unsigned *)0x14000014)
#define rBANKCON5 (*(volatile unsigned *)0x14000018)
#define rBANKCON6 (*(volatile unsigned *)0x1400001C)
#define rBANKCON7 (*(volatile unsigned *)0x14000020)
#define rREFRESH (*(volatile unsigned *)0x14000024)
#define rBANKSIZE (*(volatile unsigned *)0x14000028)
#define rMRSRB6 (*(volatile unsigned *)0x1400002C)
#define rMRSRB7 (*(volatile unsigned *)0x14000030)
/* INTERRUPT */
#define rSRCPND (*(volatile unsigned *)0x14400000)
#define rINTMOD (*(volatile unsigned *)0x14400004)
#define rINTMSK (*(volatile unsigned *)0x14400008)
#define rPRIORITY (*(volatile unsigned *)0x1440000C)
#define rINTPND (*(volatile unsigned *)0x14400010)
#define rINTOFFSET (*(volatile unsigned *)0x14400014)
/* DMA */
#define rDISRC0 (*(volatile unsigned *)0x14600000)
#define rDIDST0 (*(volatile unsigned *)0x14600004)
#define rDCON0 (*(volatile unsigned *)0x14600008)
#define rDSTAT0 (*(volatile unsigned *)0x1460000C)
#define rDCSRC0 (*(volatile unsigned *)0x14600010)
#define rDCDST0 (*(volatile unsigned *)0x14600014)
#define rDMASKTRIG0 (*(volatile unsigned *)0x14600018)
#define rDISRC1 (*(volatile unsigned *)0x14600020)
#define rDIDST1 (*(volatile unsigned *)0x14600024)
#define rDCON1 (*(volatile unsigned *)0x14600028)
#define rDSTAT1 (*(volatile unsigned *)0x1460002C)
#define rDCSRC1 (*(volatile unsigned *)0x14600030)
#define rDCDST1 (*(volatile unsigned *)0x14600034)
#define rDMASKTRIG1 (*(volatile unsigned *)0x14600038)
#define rDISRC2 (*(volatile unsigned *)0x14600040)
#define rDIDST2 (*(volatile unsigned *)0x14600044)
#define rDCON2 (*(volatile unsigned *)0x14600048)
#define rDSTAT2 (*(volatile unsigned *)0x1460004C)
#define rDCSRC2 (*(volatile unsigned *)0x14600050)
#define rDCDST2 (*(volatile unsigned *)0x14600054)
#define rDMASKTRIG2 (*(volatile unsigned *)0x14600058)
#define rDISRC3 (*(volatile unsigned *)0x14600060)
#define rDIDST3 (*(volatile unsigned *)0x14600064)
#define rDCON3 (*(volatile unsigned *)0x14600068)
#define rDSTAT3 (*(volatile unsigned *)0x1460006C)
#define rDCSRC3 (*(volatile unsigned *)0x14600070)
#define rDCDST3 (*(volatile unsigned *)0x14600074)
#define rDMASKTRIG3 (*(volatile unsigned *)0x14600078)
/* CLOCK & POWER MANAGEMENT */
#define rLOCKTIME (*(volatile unsigned *)0x14800000)
#define rMPLLCON (*(volatile unsigned *)0x14800004)
#define rUPLLCON (*(volatile unsigned *)0x14800008)
#define rCLKCON (*(volatile unsigned *)0x1480000C)
#define rCLKSLOW (*(volatile unsigned *)0x14800010)
#define rCLKDIVN (*(volatile unsigned *)0x14800014)
/* LCD CONTROLLER */
#define rLCDCON1 (*(volatile unsigned *)0x14A00000)
#define rLCDCON2 (*(volatile unsigned *)0x14A00004)
#define rLCDCON3 (*(volatile unsigned *)0x14A00008)
#define rLCDCON4 (*(volatile unsigned *)0x14A0000C)
#define rLCDCON5 (*(volatile unsigned *)0x14A00010)
#define rLCDSADDR1 (*(volatile unsigned *)0x14A00014)
#define rLCDSADDR2 (*(volatile unsigned *)0x14A00018)
#define rLCDSADDR3 (*(volatile unsigned *)0x14A0001C)
#define rREDLUT (*(volatile unsigned *)0x14A00020)
#define rGREENLUT (*(volatile unsigned *)0x14A00024)
#define rBLUELUT (*(volatile unsigned *)0x14A00028)
#define rDP1_2 (*(volatile unsigned *)0x14A0002C)
#define rDP4_7 (*(volatile unsigned *)0x14A00030)
#define rDP3_5 (*(volatile unsigned *)0x14A00034)
#define rDP2_3 (*(volatile unsigned *)0x14A00038)
#define rDP5_7 (*(volatile unsigned *)0x14A0003c)
#define rDP3_4 (*(volatile unsigned *)0x14A00040)
#define rDP4_5 (*(volatile unsigned *)0x14A00044)
#define rDP6_7 (*(volatile unsigned *)0x14A00048)
#define rDITHMODE (*(volatile unsigned *)0x14A0004C)
#define rTPAL (*(volatile unsigned *)0x14A00050)
#define GP32_PALETTE (*(volatile unsigned *)0x14A00400) /* SJS */
/* UART */
#define rULCON0 (*(volatile unsigned char *)0x15000000)
#define rUCON0 (*(volatile unsigned short *)0x15000004)
#define rUFCON0 (*(volatile unsigned char *)0x15000008)
#define rUMCON0 (*(volatile unsigned char *)0x1500000C)
#define rUTRSTAT0 (*(volatile unsigned char *)0x15000010)
#define rUERSTAT0 (*(volatile unsigned char *)0x15000014)
#define rUFSTAT0 (*(volatile unsigned short *)0x15000018)
#define rUMSTAT0 (*(volatile unsigned char *)0x1500001C)
#define rUBRDIV0 (*(volatile unsigned short *)0x15000028)
#define rULCON1 (*(volatile unsigned char *)0x15004000)
#define rUCON1 (*(volatile unsigned short *)0x15004004)
#define rUFCON1 (*(volatile unsigned char *)0x15004008)
#define rUMCON1 (*(volatile unsigned char *)0x1500400C)
#define rUTRSTAT1 (*(volatile unsigned char *)0x15004010)
#define rUERSTAT1 (*(volatile unsigned char *)0x15004014)
#define rUFSTAT1 (*(volatile unsigned short *)0x15004018)
#define rUMSTAT1 (*(volatile unsigned char *)0x1500401C)
#define rUBRDIV1 (*(volatile unsigned short *)0x15004028)
#ifdef __BIG_ENDIAN
#define rUTXH0 (*(volatile unsigned char *)0x15000023)
#define rURXH0 (*(volatile unsigned char *)0x15000027)
#define rUTXH1 (*(volatile unsigned char *)0x15004023)
#define rURXH1 (*(volatile unsigned char *)0x15004027)
#define WrUTXH0(ch) (*(volatile unsigned char *)0x15000023)=(unsigned char)(ch)
#define RdURXH0() (*(volatile unsigned char *)0x15000027)
#define WrUTXH1(ch) (*(volatile unsigned char *)0x15004023)=(unsigned char)(ch)
#define RdURXH1() (*(volatile unsigned char *)0x15004027)
#define UTXH0 (0x15000020+3) /* byte_access address by DMA */
#define URXH0 (0x15000024+3)
#define UTXH1 (0x15004020+3)
#define URXH1 (0x15004024+3)
#else /* Little Endian */
#define rUTXH0 (*(volatile unsigned char *)0x15000020)
#define rURXH0 (*(volatile unsigned char *)0x15000024)
#define rUTXH1 (*(volatile unsigned char *)0x15004020)
#define rURXH1 (*(volatile unsigned char *)0x15004024)
#define WrUTXH0(ch) (*(volatile unsigned char *)0x15000020)=(unsigned char)(ch)
#define RdURXH0() (*(volatile unsigned char *)0x15000024)
#define WrUTXH1(ch) (*(volatile unsigned char *)0x15004020)=(unsigned char)(ch)
#define RdURXH1() (*(volatile unsigned char *)0x15004024)
#define UTXH0 (0x15000020) /* byte_access address by DMA */
#define URXH0 (0x15000024)
#define UTXH1 (0x15004020)
#define URXH1 (0x15004024)
#endif
/* PWM TIMER */
#define rTCFG0 (*(volatile unsigned *)0x15100000)
#define rTCFG1 (*(volatile unsigned *)0x15100004)
#define rTCON (*(volatile unsigned *)0x15100008)
#define rTCNTB0 (*(volatile unsigned *)0x1510000C)
#define rTCMPB0 (*(volatile unsigned *)0x15100010)
#define rTCNTO0 (*(volatile unsigned *)0x15100014)
#define rTCNTB1 (*(volatile unsigned *)0x15100018)
#define rTCMPB1 (*(volatile unsigned *)0x1510001C)
#define rTCNTO1 (*(volatile unsigned *)0x15100020)
#define rTCNTB2 (*(volatile unsigned *)0x15100024)
#define rTCMPB2 (*(volatile unsigned *)0x15100028)
#define rTCNTO2 (*(volatile unsigned *)0x1510002C)
#define rTCNTB3 (*(volatile unsigned *)0x15100030)
#define rTCMPB3 (*(volatile unsigned *)0x15100034)
#define rTCNTO3 (*(volatile unsigned *)0x15100038)
#define rTCNTB4 (*(volatile unsigned *)0x1510003C)
#define rTCNTO4 (*(volatile unsigned *)0x15100040)
/* USB DEVICE */
#define rFUNC_ADDR_REG (*(volatile unsigned *)0x15200140)
#define rPWR_REG (*(volatile unsigned *)0x15200144)
#define rINT_REG (*(volatile unsigned *)0x15200148)
#define rINT_MASK_REG (*(volatile unsigned *)0x1520014C)
#define rFRAME_NUM_REG (*(volatile unsigned *)0x15200150)
#define rRESUME_CON_REG (*(volatile unsigned *)0x15200154)
#define rEP0_CSR (*(volatile unsigned *)0x15200160)
#define rEP0_MAXP (*(volatile unsigned *)0x15200164)
#define rEP0_OUT_CNT (*(volatile unsigned *)0x15200168)
#define rEP0_FIFO (*(volatile unsigned *)0x1520016C)
#define rEP1_IN_CSR (*(volatile unsigned *)0x15200180)
#define rEP1_IN_MAXP (*(volatile unsigned *)0x15200184)
#define rEP1_FIFO (*(volatile unsigned *)0x15200188)
#define rEP2_IN_CSR (*(volatile unsigned *)0x15200190)
#define rEP2_IN_MAXP (*(volatile unsigned *)0x15200194)
#define rEP2_FIFO (*(volatile unsigned *)0x15200198)
#define rEP3_OUT_CSR (*(volatile unsigned *)0x152001A0)
#define rEP3_OUT_MAXP (*(volatile unsigned *)0x152001A4)
#define rEP3_OUT_CNT (*(volatile unsigned *)0x152001A8)
#define rEP3_FIFO (*(volatile unsigned *)0x152001AC)
#define rEP4_OUT_CSR (*(volatile unsigned *)0x152001B0)
#define rEP4_OUT_MAXP (*(volatile unsigned *)0x152001B4)
#define rEP4_OUT_CNT (*(volatile unsigned *)0x152001B8)
#define rEP4_FIFO (*(volatile unsigned *)0x152001BC)
#define rDMA_CON (*(volatile unsigned *)0x152001C0)
#define rDMA_UNIT (*(volatile unsigned *)0x152001C4)
#define rDMA_FIFO (*(volatile unsigned *)0x152001C8)
#define rDMA_TX (*(volatile unsigned *)0x152001CC)
#define rTEST_MODE (*(volatile unsigned *)0x152001F4)
#define rIN_CON_REG (*(volatile unsigned *)0x152001F8)
/* WATCH DOG TIMER */
#define rWTCON (*(volatile unsigned *)0x15300000)
#define rWTDAT (*(volatile unsigned *)0x15300004)
#define rWTCNT (*(volatile unsigned *)0x15300008)
/* IIC */
#define rIICCON (*(volatile unsigned *)0x15400000)
#define rIICSTAT (*(volatile unsigned *)0x15400004)
#define rIICADD (*(volatile unsigned *)0x15400008)
#define rIICDS (*(volatile unsigned *)0x1540000C)
/* IIS */
#define rIISCON (*(volatile unsigned *)0x15508000)
#define rIISMOD (*(volatile unsigned *)0x15508004)
#define rIISPSR (*(volatile unsigned *)0x15508008)
#define rIISFIFCON (*(volatile unsigned *)0x1550800C)
#ifdef __BIG_ENDIAN
#define IISFIF ((volatile unsigned short *)0x15508012)
#else /* Little Endian */
#define IISFIF ((volatile unsigned short *)0x15508010)
#endif
/* I/O PORT */
#define rPACON (*(volatile unsigned *)0x15600000)
#define rPADAT (*(volatile unsigned *)0x15600004)
#define rPBCON (*(volatile unsigned *)0x15600008)
#define rPBDAT (*(volatile unsigned *)0x1560000C)
#define rPBUP (*(volatile unsigned *)0x15600010)
#define rPCCON (*(volatile unsigned *)0x15600014)
#define rPCDAT (*(volatile unsigned *)0x15600018)
#define rPCUP (*(volatile unsigned *)0x1560001C)
#define rPDCON (*(volatile unsigned *)0x15600020)
#define rPDDAT (*(volatile unsigned *)0x15600024)
#define rPDUP (*(volatile unsigned *)0x15600028)
#define rPECON (*(volatile unsigned *)0x1560002C)
#define rPEDAT (*(volatile unsigned *)0x15600030)
#define rPEUP (*(volatile unsigned *)0x15600034)
#define rPFCON (*(volatile unsigned *)0x15600038)
#define rPFDAT (*(volatile unsigned *)0x1560003C)
#define rPFUP (*(volatile unsigned *)0x15600040)
#define rPGCON (*(volatile unsigned *)0x15600044)
#define rPGDAT (*(volatile unsigned *)0x15600048)
#define rPGUP (*(volatile unsigned *)0x1560004C)
#define rOPENCR (*(volatile unsigned *)0x15600050)
#define rMISCCR (*(volatile unsigned *)0x15600054)
#define rEXTINT (*(volatile unsigned *)0x15600058)
/* RTC */
#ifdef __BIG_ENDIAN
#define rRTCCON (*(volatile unsigned char *)0x15700043)
#define rRTCALM (*(volatile unsigned char *)0x15700053)
#define rALMSEC (*(volatile unsigned char *)0x15700057)
#define rALMMIN (*(volatile unsigned char *)0x1570005B)
#define rALMHOUR (*(volatile unsigned char *)0x1570005F)
#define rALMDAY (*(volatile unsigned char *)0x15700063)
#define rALMMON (*(volatile unsigned char *)0x15700067)
#define rALMYEAR (*(volatile unsigned char *)0x1570006B)
#define rRTCRST (*(volatile unsigned char *)0x1570006F)
#define rBCDSEC (*(volatile unsigned char *)0x15700073)
#define rBCDMIN (*(volatile unsigned char *)0x15700077)
#define rBCDHOUR (*(volatile unsigned char *)0x1570007B)
#define rBCDDAY (*(volatile unsigned char *)0x1570007F)
#define rBCDDATE (*(volatile unsigned char *)0x15700083)
#define rBCDMON (*(volatile unsigned char *)0x15700087)
#define rBCDYEAR (*(volatile unsigned char *)0x1570008B)
#define rTICINT (*(volatile unsigned char *)0x15700047)
#else /* Little Endian */
#define rRTCCON (*(volatile unsigned char *)0x15700040)
#define rRTCALM (*(volatile unsigned char *)0x15700050)
#define rALMSEC (*(volatile unsigned char *)0x15700054)
#define rALMMIN (*(volatile unsigned char *)0x15700058)
#define rALMHOUR (*(volatile unsigned char *)0x1570005C)
#define rALMDAY (*(volatile unsigned char *)0x15700060)
#define rALMMON (*(volatile unsigned char *)0x15700064)
#define rALMYEAR (*(volatile unsigned char *)0x15700068)
#define rRTCRST (*(volatile unsigned char *)0x1570006C)
#define rBCDSEC (*(volatile unsigned char *)0x15700070)
#define rBCDMIN (*(volatile unsigned char *)0x15700074)
#define rBCDHOUR (*(volatile unsigned char *)0x15700078)
#define rBCDDAY (*(volatile unsigned char *)0x1570007C)
#define rBCDDATE (*(volatile unsigned char *)0x15700080)
#define rBCDMON (*(volatile unsigned char *)0x15700084)
#define rBCDYEAR (*(volatile unsigned char *)0x15700088)
#define rTICINT (*(volatile unsigned char *)0x15700044)
#endif
/* ADC */
#define rADCCON (*(volatile unsigned *)0x15800000)
#define rADCDAT (*(volatile unsigned *)0x15800004)
/* SPI */
#define rSPCON (*(volatile unsigned *)0x15900000)
#define rSPSTA (*(volatile unsigned *)0x15900004)
#define rSPPIN (*(volatile unsigned *)0x15900008)
#define rSPPRE (*(volatile unsigned *)0x1590000C)
#define rSPTDAT (*(volatile unsigned *)0x15900010)
#define rSPRDAT (*(volatile unsigned *)0x15900014)
/* MMC INTERFACE */
#define rMMCON (*(volatile unsigned *)0x15a00000)
#define rMMCRR (*(volatile unsigned *)0x15a00004)
#define rMMFCON (*(volatile unsigned *)0x15a00008)
#define rMMSTA (*(volatile unsigned *)0x15a0000C)
#define rMMFSTA (*(volatile unsigned *)0x15a00010)
#define rMMPRE (*(volatile unsigned *)0x15a00014)
#define rMMLEN (*(volatile unsigned *)0x15a00018)
#define rMMCR7 (*(volatile unsigned *)0x15a0001C)
#define rMMRSP0 (*(volatile unsigned *)0x15a00020)
#define rMMRSP1 (*(volatile unsigned *)0x15a00024)
#define rMMRSP2 (*(volatile unsigned *)0x15a00028)
#define rMMRSP3 (*(volatile unsigned *)0x15a0002C)
#define rMMCMD0 (*(volatile unsigned *)0x15a00030)
#define rMMCMD1 (*(volatile unsigned *)0x15a00034)
#define rMMCR16 (*(volatile unsigned *)0x15a00038)
#define rMMDAT (*(volatile unsigned *)0x15a0003C)
#define _ISR_STARTADDRESS rtems_vector_table
/* ISR */
#define pISR_RESET (*(unsigned *)(_ISR_STARTADDRESS+0x0))
#define pISR_UNDEF (*(unsigned *)(_ISR_STARTADDRESS+0x4))
#define pISR_SWI (*(unsigned *)(_ISR_STARTADDRESS+0x8))
#define pISR_PABORT (*(unsigned *)(_ISR_STARTADDRESS+0xC))
#define pISR_DABORT (*(unsigned *)(_ISR_STARTADDRESS+0x10))
#define pISR_RESERVED (*(unsigned *)(_ISR_STARTADDRESS+0x14))
#define pISR_IRQ (*(unsigned *)(_ISR_STARTADDRESS+0x18))
#define pISR_FIQ (*(unsigned *)(_ISR_STARTADDRESS+0x1C))
#define pISR_EINT0 (*(unsigned *)(_ISR_STARTADDRESS+0x20))
#define pISR_EINT1 (*(unsigned *)(_ISR_STARTADDRESS+0x24))
#define pISR_EINT2 (*(unsigned *)(_ISR_STARTADDRESS+0x28))
#define pISR_EINT3 (*(unsigned *)(_ISR_STARTADDRESS+0x2C))
#define pISR_EINT4 (*(unsigned *)(_ISR_STARTADDRESS+0x30))
#define pISR_EINT5 (*(unsigned *)(_ISR_STARTADDRESS+0x34))
#define pISR_EINT6 (*(unsigned *)(_ISR_STARTADDRESS+0x38))
#define pISR_EINT7 (*(unsigned *)(_ISR_STARTADDRESS+0x3C))
#define pISR_TICK (*(unsigned *)(_ISR_STARTADDRESS+0x40))
#define pISR_WDT (*(unsigned *)(_ISR_STARTADDRESS+0x44))
#define pISR_TIMER0 (*(unsigned *)(_ISR_STARTADDRESS+0x48))
#define pISR_TIMER1 (*(unsigned *)(_ISR_STARTADDRESS+0x4C))
#define pISR_TIMER2 (*(unsigned *)(_ISR_STARTADDRESS+0x50))
#define pISR_TIMER3 (*(unsigned *)(_ISR_STARTADDRESS+0x54))
#define pISR_TIMER4 (*(unsigned *)(_ISR_STARTADDRESS+0x58))
#define pISR_UERR01 (*(unsigned *)(_ISR_STARTADDRESS+0x5C))
#define pISR_NOTUSED (*(unsigned *)(_ISR_STARTADDRESS+0x60))
#define pISR_DMA0 (*(unsigned *)(_ISR_STARTADDRESS+0x64))
#define pISR_DMA1 (*(unsigned *)(_ISR_STARTADDRESS+0x68))
#define pISR_DMA2 (*(unsigned *)(_ISR_STARTADDRESS+0x6C))
#define pISR_DMA3 (*(unsigned *)(_ISR_STARTADDRESS+0x70))
#define pISR_MMC (*(unsigned *)(_ISR_STARTADDRESS+0x74))
#define pISR_SPI (*(unsigned *)(_ISR_STARTADDRESS+0x78))
#define pISR_URXD0 (*(unsigned *)(_ISR_STARTADDRESS+0x7C))
#define pISR_URXD1 (*(unsigned *)(_ISR_STARTADDRESS+0x80))
#define pISR_USBD (*(unsigned *)(_ISR_STARTADDRESS+0x84))
#define pISR_USBH (*(unsigned *)(_ISR_STARTADDRESS+0x88))
#define pISR_IIC (*(unsigned *)(_ISR_STARTADDRESS+0x8C))
#define pISR_UTXD0 (*(unsigned *)(_ISR_STARTADDRESS+0x90))
#define pISR_UTXD1 (*(unsigned *)(_ISR_STARTADDRESS+0x94))
#define pISR_RTC (*(unsigned *)(_ISR_STARTADDRESS+0x98))
#define pISR_ADC (*(unsigned *)(_ISR_STARTADDRESS+0xA0))
/* PENDING BIT */
#define BIT_EINT0 (0x1)
#define BIT_EINT1 (0x1<<1)
#define BIT_EINT2 (0x1<<2)
#define BIT_EINT3 (0x1<<3)
#define BIT_EINT4 (0x1<<4)
#define BIT_EINT5 (0x1<<5)
#define BIT_EINT6 (0x1<<6)
#define BIT_EINT7 (0x1<<7)
#define BIT_TICK (0x1<<8)
#define BIT_WDT (0x1<<9)
#define BIT_TIMER0 (0x1<<10)
#define BIT_TIMER1 (0x1<<11)
#define BIT_TIMER2 (0x1<<12)
#define BIT_TIMER3 (0x1<<13)
#define BIT_TIMER4 (0x1<<14)
#define BIT_UERR01 (0x1<<15)
#define BIT_NOTUSED (0x1<<16)
#define BIT_DMA0 (0x1<<17)
#define BIT_DMA1 (0x1<<18)
#define BIT_DMA2 (0x1<<19)
#define BIT_DMA3 (0x1<<20)
#define BIT_MMC (0x1<<21)
#define BIT_SPI (0x1<<22)
#define BIT_URXD0 (0x1<<23)
#define BIT_URXD1 (0x1<<24)
#define BIT_USBD (0x1<<25)
#define BIT_USBH (0x1<<26)
#define BIT_IIC (0x1<<27)
#define BIT_UTXD0 (0x1<<28)
#define BIT_UTXD1 (0x1<<29)
#define BIT_RTC (0x1<<30)
#define BIT_ADC (0x1<<31)
#define BIT_ALLMSK (0xFFFFFFFF)
#define ClearPending(bit) {\
rSRCPND = bit;\
rINTPND = bit;\
rINTPND;\
}
/* Wait until rINTPND is changed for the case that the ISR is very short. */
#define LCD_WIDTH 240
#define LCD_HEIGH 320
#define LCD_ASPECT ((flaot)(LCD_WIDTH/LCD_HEIGHT))
#define GP32_KEY_SELECT 512
#define GP32_KEY_START 256
#define GP32_KEY_A 64
#define GP32_KEY_B 32
#define GP32_KEY_L 16
#define GP32_KEY_R 128
#define GP32_KEY_UP 8
#define GP32_KEY_DOWN 2
#define GP32_KEY_LEFT 1
#define GP32_KEY_RIGHT 4
#endif /*__S3C2400_H__*/

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/* bsp_irq_asm.S
*
* This file contains the implementation of the IRQ handler
* for a specific BSP
*
* CopyRight (C) 2000 Canon Research France SA.
* Emmanuel Raguet, mailto:raguet@crf.canon.fr
*
* The license and distribution terms for this file may be
* found in found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#define __asm__
/*
* Function to obtain, execute an IT handler and acknowledge the IT
*/
.globl ExecuteITHandler
ExecuteITHandler :
ldr r0, =0x14400014 /* Read rINTOFFSET */
ldr r1, [r0]
ldr r0, =bsp_vector_table
ldr r0, [r0, r1, LSL #2] /* Read the address */
stmdb sp!,{lr}
ldr lr, =IRQ_return /* prepare the return from handler */
mov pc, r0
IRQ_return:
ldmia sp!,{lr}
mov pc, lr

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/* irq_init.c
*
* This file contains the implementation of rtems initialization
* related to interrupt handling.
*
* CopyRight (C) 2000 Canon Research Centre France SA.
* Emmanuel Raguet, mailto:raguet@crf.canon.fr
*
* 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 <irq.h>
#include <bsp.h>
#include <s3c2400.h>
extern void default_int_handler();
void BSP_rtems_irq_mngt_init()
{
/*
* Here is the code to initialize the INT for
* the specified BSP
*/
}

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/* irq.c
*
* This file contains the implementation of the function described in irq.h
*
* CopyRight (C) 2000 Canon Research France SA.
* Emmanuel Raguet, mailto:raguet@crf.canon.fr
*
* The license and distribution terms for this file may be
* found in found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#include <bsp.h>
#include <irq.h>
#include <rtems/score/thread.h>
#include <rtems/score/apiext.h>
#include <s3c2400.h>
/*
* This function check that the value given for the irq line
* is valid.
*/
static int isValidInterrupt(int irq)
{
if ( (irq < 0) || (irq > BSP_MAX_INT)) {
return 0;
}
return 1;
}
/*
* ------------------- RTEMS Single Irq Handler Mngt Routines ----------------
*/
int BSP_install_rtems_irq_handler (const rtems_irq_connect_data* irq)
{
rtems_irq_hdl *HdlTable;
rtems_interrupt_level level;
if (!isValidInterrupt(irq->name)) {
return 0;
}
/*
* Check if default handler is actually connected. If not issue an error.
*/
HdlTable = VECTOR_TABLE;
if (*(HdlTable + irq->name) != default_int_handler) {
return 0;
}
_CPU_ISR_Disable(level);
/*
* store the new handler
*/
*(HdlTable + irq->name) = irq->hdl;
/*
* Enable interrupt on device
*/
if(irq->on)
{
irq->on(irq);
}
_CPU_ISR_Enable(level);
return 1;
}
int BSP_remove_rtems_irq_handler (const rtems_irq_connect_data* irq)
{
rtems_irq_hdl *HdlTable;
rtems_interrupt_level level;
if (!isValidInterrupt(irq->name)) {
return 0;
}
/*
* Check if the handler is actually connected. If not issue an error.
*/
HdlTable = VECTOR_TABLE;
if (*(HdlTable + irq->name) != irq->hdl) {
return 0;
}
_CPU_ISR_Disable(level);
/*
* Disable interrupt on device
*/
if(irq->off) {
irq->off(irq);
}
/*
* restore the default irq value
*/
*(HdlTable + irq->name) = default_int_handler;
_CPU_ISR_Enable(level);
return 1;
}

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/* irq.h
*
* This include file describe the data structure and the functions implemented
* by rtems to write interrupt handlers.
*
* Copyright (c) 2000 Canon Research Centre France SA.
* Emmanuel Raguet, mailto:raguet@crf.canon.fr
*
* The license and distribution terms for this file may be
* found in found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#ifndef _IRQ_H_
#define _IRQ_H_
#ifdef __cplusplus
extern "C" {
#endif
/*
* Include some preprocessor value also used by assember code
*/
#include <rtems.h>
#include <s3c2400.h>
extern void default_int_handler();
/*-------------------------------------------------------------------------+
| Constants
+--------------------------------------------------------------------------*/
/* enum of the possible interrupt sources */
typedef enum {
BSP_EINT0 = 0,
BSP_EINT1,
BSP_EINT2,
BSP_EINT3,
BSP_EINT4,
BSP_EINT5,
BSP_EINT6,
BSP_EINT7,
BSP_INT_TICK,
BSP_INT_WDT,
BSP_INT_TIMER0,
BSP_INT_TIMER1,
BSP_INT_TIMER2,
BSP_INT_TIMER3,
BSP_INT_TIMER4,
BSP_INT_UERR01,
_res0,
BSP_INT_DMA0,
BSP_INT_DMA1,
BSP_INT_DMA2,
BSP_INT_DMA3,
BSP_INT_MMC,
BSP_INT_SPI,
BSP_INT_URXD0,
BSP_INT_URXD1,
BSP_INT_USBD,
BSP_INT_USBH,
BSP_INT_IIC,
BSP_INT_UTXD0,
BSP_INT_UTXD1,
BSP_INT_RTC,
BSP_INT_ADC,
BSP_MAX_INT
} rtems_irq_symbolic_name;
extern void *bsp_vector_table;
#define VECTOR_TABLE &bsp_vector_table
/*
* Type definition for RTEMS managed interrupts
*/
typedef unsigned char rtems_irq_level;
typedef unsigned char rtems_irq_trigger;
struct __rtems_irq_connect_data__; /* forward declaratiuon */
typedef void (*rtems_irq_hdl) (void);
typedef void (*rtems_irq_enable) (const struct __rtems_irq_connect_data__*);
typedef void (*rtems_irq_disable) (const struct __rtems_irq_connect_data__*);
typedef int (*rtems_irq_is_enabled) (const struct __rtems_irq_connect_data__*);
typedef struct __rtems_irq_connect_data__ {
/*
* IRQ line
*/
rtems_irq_symbolic_name name;
/*
* handler. See comment on handler properties below in function prototype.
*/
rtems_irq_hdl hdl;
/*
* function for enabling interrupts at device level (ONLY!).
* The BSP code will automatically enable it at i8259s level.
* RATIONALE : anyway such code has to exist in current driver code.
* It is usually called immediately AFTER connecting the interrupt handler.
* RTEMS may well need such a function when restoring normal interrupt
* processing after a debug session.
*
*/
rtems_irq_enable on;
/*
* function for disabling interrupts at device level (ONLY!).
* The code will disable it at i8259s level. RATIONALE : anyway
* such code has to exist for clean shutdown. It is usually called
* BEFORE disconnecting the interrupt. RTEMS may well need such
* a function when disabling normal interrupt processing for
* a debug session. May well be a NOP function.
*/
rtems_irq_disable off;
/*
* function enabling to know what interrupt may currently occur
* if someone manipulates the i8259s interrupt mask without care...
*/
rtems_irq_is_enabled isOn;
/*
* priority level at the vplus level
*/
rtems_irq_level irqLevel;
/*
* Trigger way : Rising or falling edge or High or low level
*/
rtems_irq_trigger irqTrigger;
} rtems_irq_connect_data;
/*-------------------------------------------------------------------------+
| Function Prototypes.
+--------------------------------------------------------------------------*/
/*
* ------------------ RTEMS Single Irq Handler Mngt Routines ----------------
*/
/*
* function to initialize the interrupt for a specific BSP
*/
void BSP_rtems_irq_mngt_init();
/*
* function to connect a particular irq handler. This hanlder will NOT be called
* directly as the result of the corresponding interrupt. Instead, a RTEMS
* irq prologue will be called that will :
*
* 1) save the C scratch registers,
* 2) switch to a interrupt stack if the interrupt is not nested,
* 3) store the current i8259s' interrupt masks
* 4) modify them to disable the current interrupt at 8259 level (and may
* be others depending on software priorities)
* 5) aknowledge the i8259s',
* 6) demask the processor,
* 7) call the application handler
*
* As a result the hdl function provided
*
* a) can perfectly be written is C,
* b) may also well directly call the part of the RTEMS API that can be used
* from interrupt level,
* c) It only responsible for handling the jobs that need to be done at
* the device level including (aknowledging/re-enabling the interrupt at device,
* level, getting the data,...)
*
* When returning from the function, the following will be performed by
* the RTEMS irq epilogue :
*
* 1) masks the interrupts again,
* 2) restore the original i8259s' interrupt masks
* 3) switch back on the orinal stack if needed,
* 4) perform rescheduling when necessary,
* 5) restore the C scratch registers...
* 6) restore initial execution flow
*
*/
int BSP_install_rtems_irq_handler (const rtems_irq_connect_data*);
/*
* function to get the current RTEMS irq handler for ptr->name. It enables to
* define hanlder chain...
*/
int BSP_get_current_rtems_irq_handler (rtems_irq_connect_data* ptr);
/*
* function to get disconnect the RTEMS irq handler for ptr->name.
* This function checks that the value given is the current one for safety reason.
* The user can use the previous function to get it.
*/
int BSP_remove_rtems_irq_handler (const rtems_irq_connect_data*);
#ifdef __cplusplus
}
#endif
#endif /* _IRQ_H_ */
/* end of include file */

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/*
* S3C2400 Timer driver
*
* This uses timer 1 for timing measurments.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
*
* http://www.OARcorp.com/rtems/license.html.
*
* Notes:
* This file manages the benchmark timer used by the RTEMS Timing Test
* Suite. Each measured time period is demarcated by calls to
* Timer_initialize() and Read_timer(). Read_timer() usually returns
* the number of microseconds since Timer_initialize() exitted.
*
* It is important that the timer start/stop overhead be determined
* when porting or modifying this code.
*
* $Id$
*/
#include <rtems.h>
#include <bsp.h>
#include <s3c2400.h>
uint32_t g_start;
uint32_t g_freq;
rtems_boolean Timer_driver_Find_average_overhead;
/*
* Set up Timer 1
*/
void Timer_initialize( void )
{
uint32_t cr;
uint32_t m;
uint32_t p;
uint32_t s;
/* stop TIMER1*/
cr=rTCON & 0xFFFFF0FF;
rTCON=(cr | (0x0 << 8));
/* set MUX for Timer1 to 1/2 */
cr=rTCFG1 & 0xFFFFFF0F;
rTCFG1=(cr | (0<<4));
/* compute MPLL freq */
m = M_MDIV + 8;
p = M_PDIV + 2;
s = M_SDIV;
g_freq =(BSP_OSC_FREQ * m) / (p << s);
/* PCLK = MPLL/4 */
g_freq = g_freq / 4;
/* input freq=PLCK/2 Mhz*/
g_freq = g_freq / 2000;
rTCNTB1 = 0xFFFF;
/* start TIMER1 with manual reload */
cr=rTCON & 0xFFFFF0FF;
rTCON=(cr | (0x1 << 9));
rTCON=(cr | (0x1 << 8));
g_start = rTCNTO1;
}
/*
* The following controls the behavior of Read_timer().
*
* AVG_OVEREHAD is the overhead for starting and stopping the timer. It
* is usually deducted from the number returned.
*
* LEAST_VALID is the lowest number this routine should trust. Numbers
* below this are "noise" and zero is returned.
*/
#define AVG_OVERHEAD 0 /* It typically takes X.X microseconds */
/* (Y countdowns) to start/stop the timer. */
/* This value is in microseconds. */
#define LEAST_VALID 1 /* Don't trust a clicks value lower than this */
int Read_timer( void )
{
uint32_t t;
unsigned long long total;
t = rTCNTO1;
/*
* Total is calculated by taking into account the number of timer overflow
* interrupts since the timer was initialized and clicks since the last
* interrupts.
*/
total = (g_start - t);
/* convert to microseconds */
total = (total*1000) / g_freq;
if ( Timer_driver_Find_average_overhead == 1 ) {
return (int) total;
} else if ( total < LEAST_VALID ) {
return 0;
}
/*
* Somehow convert total into microseconds
*/
return (total - AVG_OVERHEAD);
}
/*
* Empty function call used in loops to measure basic cost of looping
* in Timing Test Suite.
*/
rtems_status_code Empty_function( void )
{
return RTEMS_SUCCESSFUL;
}
void Set_find_average_overhead(
rtems_boolean find_flag
)
{
Timer_driver_Find_average_overhead = find_flag;
}