* README: Added NCS.

* Makefile.am, configure.ac, preinstall.am: Added BSP variants.
	* console/console-config.c, clock/clock-config.c, ssp/ssp.c: Fixed
	register settings.  Cleanup.
	* include/bsp.h: Added network defines and functions.
	* include/lpc24xx.h: Added AHB and EMC defines.  Fixed Ethernet status
	sizes.
	* include/system-clocks.h, misc/system-clocks.c: Added micro seconds
	delay function that uses Timer 1.  Changed PLL setup.
	* network/network.c, startup/bspreset.c, startup/linkcmds.lpc2478,
	startup/linkcmds.lpc2478_ncs, startup/linkcmds.lpc2478_ncs_ram: New
	files.
	* startup/bspstart.c: Added EMC initialization.  Changes for ROM boot.
This commit is contained in:
Thomas Doerfler
2009-02-27 11:26:44 +00:00
parent 92cbf96514
commit 9647f7feac
23 changed files with 637 additions and 126 deletions

View File

@@ -1,3 +1,8 @@
2009-02-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
* aclocal/bsp-alias.m4, aclocal/check-bsps.m4: Added defines for
LPC2478 BSP variants.
2009-02-19 Joel Sherrill <joel.sherrill@oarcorp.com>
* aclocal/bsp-alias.m4: Add simsh2e.

View File

@@ -38,6 +38,8 @@ AC_DEFUN([_RTEMS_BSP_ALIAS],
mpc8313erdb) $2=gen83xx ;; # MPC83XX based board
rtl22xx_t) $2=rtl22xx ;; # rtl22xx bsp in thumb mode
lpc2478) $2=lpc24xx ;; # LPC2478 (QVGA Base Board from Embedded Artists)
lpc2478_ncs) $2=lpc24xx ;; # LPC2478 (NCS)
lpc2478_ncs_ram) $2=lpc24xx ;; # LPC2478 (NCS, code and data in external RAM)
simcpu32) $2=sim68000 ;; # BSVC CPU32 variant
simsh1) $2=shsim ;; # SH1 simulator in GDB
simsh2) $2=shsim ;; # SH2 simulator in GDB

View File

@@ -35,7 +35,7 @@ AC_MSG_CHECKING([for available BSPs])
pc386) bsps="pc386 pc386dx pc486 pc586 pc686";;
erc32) bsps="erc32 sis";;
rtl22xx) bsps="rtl22xx rtl22xx_t";;
lpc24xx) bsps="lpc2478";;
lpc24xx) bsps="lpc2478 lpc2478_ncs lpc2478_ncs_ram";;
sim68000) bsps="sim68000 simcpu32";;
shsim) bsps="simsh1 simsh2 simsh4";;
m32cbsp) bsps="m32csim";;

View File

@@ -1,3 +1,9 @@
2009-02-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
* shared/startup/linkcmds.rom: New file
* shared/include/start.h: Added declaration of start().
* shared/start/start.S: Fixed vector table for ROM boot.
2008-09-23 Joel Sherrill <joel.sherrill@OARcorp.com>
* acinclude.m4: New BSP -- lpc24xx.

View File

@@ -1,3 +1,19 @@
2009-02-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
* README: Added NCS.
* Makefile.am, configure.ac, preinstall.am: Added BSP variants.
* console/console-config.c, clock/clock-config.c, ssp/ssp.c: Fixed
register settings. Cleanup.
* include/bsp.h: Added network defines and functions.
* include/lpc24xx.h: Added AHB and EMC defines. Fixed Ethernet status
sizes.
* include/system-clocks.h, misc/system-clocks.c: Added micro seconds
delay function that uses Timer 1. Changed PLL setup.
* network/network.c, startup/bspreset.c, startup/linkcmds.lpc2478,
startup/linkcmds.lpc2478_ncs, startup/linkcmds.lpc2478_ncs_ram: New
files.
* startup/bspstart.c: Added EMC initialization. Changes for ROM boot.
2009-02-17 Ralf Corsépius <ralf.corsepius@rtems.org>
* Makefile.am: Fix breakage introduced in 2009-02-13 changes.

View File

@@ -21,14 +21,15 @@ dist_project_lib_DATA = bsp_specs
include_HEADERS = include/bsp.h
nodist_include_HEADERS = include/bspopts.h
nodist_include_HEADERS = ../../shared/include/coverhd.h \
include/bspopts.h
nodist_include_bsp_HEADERS = ../../shared/include/bootcard.h
nodist_include_HEADERS += ../../shared/include/coverhd.h
include_bsp_HEADERS =
include_bsp_HEADERS += ../../shared/include/utility.h
include_bsp_HEADERS += ../../shared/include/irq-generic.h
include_bsp_HEADERS += ../../shared/include/irq-info.h
include_bsp_HEADERS += ../../shared/tod.h
include_bsp_HEADERS += ../shared/include/linker-symbols.h
include_bsp_HEADERS += ../shared/include/start.h
@@ -38,6 +39,7 @@ include_bsp_HEADERS += include/lpc24xx.h
include_bsp_HEADERS += include/system-clocks.h
include_bsp_HEADERS += include/ssp.h
include_bsp_HEADERS += include/dma.h
include_HEADERS += ../../shared/include/tm27.h
###############################################################################
@@ -51,7 +53,10 @@ libbspstart_a_SOURCES = ../shared/start/start.S
project_lib_DATA = start.$(OBJEXT)
dist_project_lib_DATA += ../shared/startup/linkcmds.base \
startup/linkcmds
../shared/startup/linkcmds.rom \
startup/linkcmds.lpc2478 \
startup/linkcmds.lpc2478_ncs \
startup/linkcmds.lpc2478_ncs_ram
###############################################################################
# LibBSP #
@@ -64,7 +69,6 @@ libbsp_a_SOURCES =
# Shared
libbsp_a_SOURCES += ../../shared/bootcard.c \
../../shared/bspclean.c \
../../shared/bspreset.c \
../../shared/bspgetworkarea.c \
../../shared/bsplibc.c \
../../shared/bsppost.c \
@@ -75,11 +79,14 @@ libbsp_a_SOURCES += ../../shared/bootcard.c \
../shared/abort/simple_abort.c
# Startup
libbsp_a_SOURCES += startup/bspstart.c
libbsp_a_SOURCES += startup/bspstart.c \
startup/bspreset.c
# IRQ
libbsp_a_SOURCES += ../../shared/src/irq-generic.c \
../../shared/src/irq-legacy.c \
../../shared/src/irq-info.c \
../../shared/src/irq-shell.c \
../shared/irq/irq_asm.S \
irq/irq.c
@@ -104,6 +111,22 @@ libbsp_a_SOURCES += misc/system-clocks.c \
# SSP
libbsp_a_SOURCES += ssp/ssp.c
###############################################################################
# Network #
###############################################################################
if HAS_NETWORKING
noinst_PROGRAMS = network.rel
network_rel_SOURCES = network/network.c
network_rel_CPPFLAGS = $(AM_CPPFLAGS) -D__INSIDE_RTEMS_BSD_TCPIP_STACK__ -D__BSD_VISIBLE
network_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
libbsp_a_LIBADD = network.rel
endif
###############################################################################
# Special Rules #
###############################################################################

View File

@@ -7,7 +7,39 @@ Development Board: QVGA Base Board from Embedded Artists
http://www.embeddedartists.com/products/uclinux/oem_lpc2478.php
Drivers:
o Console
o Clock
o RTC
o SSP (SPI mode): This driver is in active development. Use with care.
o Network
Howto setup QVGA Base Board?
o Unpack board.
o Connect board via USB to your PC.
o Verify that demo application runs.
o Disconnect board.
o Change jumpers to enable ISP.
o Connect board.
o Load U-Boot image 'u-boot_v1.1.6_lpc2468oem_v1_8_16bit.hex'
(available from the EA support page) into the flash (flash tool
FlashMagic is availabe from NXP).
o Change jumbers back to disable ISP.
o Use a terminal program to change the U-Boot settings via the console.
o U-Boot settings:
set ethaddr '00:1a:f1:X:X:X'
set serverip 'X.X.X.X'
set ipaddr 'X.X.X.X'
set rtems 'tftp a1000000 lpc2478.img;bootm'
set bootcmd 'echo Booting RTEMS ...;run rtems'
saveenv
Application Board: NCS (Nurse Control Station)
Board: NextGenNCS
Processor: NXP LPC2478
SDRAM: 8MByte, 16 bit wide
Ext. Flash: 1MByte, 16 bit wide
Console: UART, 115200 Baud
Network: 100Base-T

View File

@@ -57,7 +57,8 @@ static void lpc24xx_clock_initialize( void)
/* Set timer pclk to cclk */
rtems_interrupt_disable( level);
SET_PCLKSEL0_PCLK_TIMER0( PCLKSEL0, 1);
PCONP = SET_FLAGS( PCONP, 0x02);
PCLKSEL0 = SET_FLAGS( PCLKSEL0, 0x04);
rtems_interrupt_enable( level);
/* Reset timer */
@@ -106,7 +107,7 @@ static void lpc24xx_clock_cleanup( void)
static uint32_t lpc24xx_clock_nanoseconds_since_last_tick( void)
{
uint64_t clock = lpc24xx_cclk();
uint64_t clock = LPC24XX_CCLK;
uint32_t clicks = T0TC;
uint64_t ns = ((uint64_t) clicks * 1000000000) / clock;

View File

@@ -23,15 +23,28 @@ RTEMS_PROG_CCAS
RTEMS_CHECK_NETWORKING
AM_CONDITIONAL(HAS_NETWORKING,test "$HAS_NETWORKING" = "yes")
RTEMS_BSPOPTS_SET([LPC24XX_OSCILLATOR_MAIN],[lpc2478],
[12000000U])
RTEMS_BSPOPTS_HELP([LPC24XX_OSCILLATOR_MAIN],
[Main oscillator frequency in Hz])
RTEMS_BSPOPTS_SET([LPC24XX_OSCILLATOR_MAIN],[*],[12000000U])
RTEMS_BSPOPTS_HELP([LPC24XX_OSCILLATOR_MAIN],[Main oscillator frequency in Hz])
RTEMS_BSPOPTS_SET([LPC24XX_OSCILLATOR_RTC],[lpc2478],
[32768])
RTEMS_BSPOPTS_HELP([LPC24XX_OSCILLATOR_RTC],
[RTC oscillator frequency in Hz])
RTEMS_BSPOPTS_SET([LPC24XX_OSCILLATOR_RTC],[*],[32768])
RTEMS_BSPOPTS_HELP([LPC24XX_OSCILLATOR_RTC],[RTC oscillator frequency in Hz])
RTEMS_BSPOPTS_SET([LPC24XX_CCLK],[*],[72000000])
RTEMS_BSPOPTS_HELP([LPC24XX_CCLK],[CPU clock in Hz])
RTEMS_BSPOPTS_SET([LPC24XX_UART_BAUD],[*],[115200])
RTEMS_BSPOPTS_HELP([LPC24XX_UART_BAUD],[Baud for UARTs])
RTEMS_BSPOPTS_SET([LPC24XX_HAS_UBOOT],[lpc2478],[1])
RTEMS_BSPOPTS_SET([LPC24XX_HAS_UBOOT],[lpc2478_ncs_ram],[1])
RTEMS_BSPOPTS_HELP([LPC24XX_HAS_UBOOT],[Enable U-Boot startup])
RTEMS_BSPOPTS_SET([LPC24XX_ETHERNET_RMII],[lpc2478_ncs],[1])
RTEMS_BSPOPTS_SET([LPC24XX_ETHERNET_RMII],[lpc2478_ncs_ram],[1])
RTEMS_BSPOPTS_HELP([LPC24XX_ETHERNET_RMII],[Enable RMII for Ethernet])
RTEMS_BSPOPTS_SET([LPC24XX_EMC_MICRON],[lpc2478_ncs],[1])
RTEMS_BSPOPTS_HELP([LPC24XX_EMC_MICRON],[Enable RMII for Ethernet])
BSP_BOOTCARD_OPTIONS

View File

@@ -21,6 +21,7 @@
#include <libchip/serial.h>
#include <libchip/ns16550.h>
#include <bsp.h>
#include <bsp/lpc24xx.h>
#include <bsp/irq.h>
@@ -55,7 +56,7 @@ console_tbl Console_Port_Tbl [LPC24XX_UART_NUMBER] = {
.pDeviceFlow = NULL,
.ulMargin = 16,
.ulHysteresis = 8,
.pDeviceParams = (void *) 38400,
.pDeviceParams = (void *) LPC24XX_UART_BAUD,
.ulCtrlPort1 = UART0_BASE_ADDR,
.ulCtrlPort2 = 0,
.ulDataPort = UART0_BASE_ADDR,
@@ -63,7 +64,7 @@ console_tbl Console_Port_Tbl [LPC24XX_UART_NUMBER] = {
.setRegister = lpc24xx_uart_set_register,
.getData = NULL,
.setData = NULL,
.ulClock = 57600000,
.ulClock = LPC24XX_CCLK,
.ulIntVector = LPC24XX_IRQ_UART_0
}
};

View File

@@ -35,6 +35,19 @@ extern "C" {
#ifndef ASM
/* Network driver configuration */
struct rtems_bsdnet_ifconfig;
int lpc24xx_eth_attach_detach(
struct rtems_bsdnet_ifconfig *config,
int attaching
);
#define RTEMS_BSP_NETWORK_DRIVER_ATTACH lpc24xx_eth_attach_detach
#define RTEMS_BSP_NETWORK_DRIVER_NAME "eth0"
#endif /* ASM */
#ifdef __cplusplus

View File

@@ -1854,14 +1854,13 @@ typedef struct {
typedef struct {
uint32_t status;
uint32_t hash_crc;
} lpc24xx_eth_transfer_status;
} lpc24xx_eth_receive_info;
#define ETH_TRANSFER_DESCRIPTOR_SIZE 8
#define ETH_TRANSFER_STATUS_SIZE 8
#define ETH_RECEIVE_INFO_SIZE 8
#define ETH_TRANSFER_CTRL_SIZE \
(ETH_TRANSFER_DESCRIPTOR_SIZE + ETH_TRANSFER_STATUS_SIZE)
#define ETH_TRANSMIT_STATUS_SIZE 4
/* ETH_RX_CTRL */
@@ -2023,4 +2022,88 @@ typedef struct {
#define ETH_CMD_FULL_DUPLEX 0x00000400U
/* AHBCFG */
#define AHBCFG_SCHEDULER_UNIFORM 0x00000001U
#define AHBCFG_BREAK_BURST_MASK 0x00000006U
#define GET_AHBCFG_BREAK_BURST( reg) \
GET_FIELD( reg, AHBCFG_BREAK_BURST_MASK, 1)
#define SET_AHBCFG_BREAK_BURST( reg, val) \
SET_FIELD( reg, val, AHBCFG_BREAK_BURST_MASK, 1)
#define AHBCFG_QUANTUM_BUS_CYCLE 0x00000008U
#define AHBCFG_QUANTUM_SIZE_MASK 0x000000f0U
#define GET_AHBCFG_QUANTUM_SIZE( reg) \
GET_FIELD( reg, AHBCFG_QUANTUM_SIZE_MASK, 4)
#define SET_AHBCFG_QUANTUM_SIZE( reg, val) \
SET_FIELD( reg, val, AHBCFG_QUANTUM_SIZE_MASK, 4)
#define AHBCFG_DEFAULT_MASTER_MASK 0x00000700U
#define GET_AHBCFG_DEFAULT_MASTER( reg) \
GET_FIELD( reg, AHBCFG_DEFAULT_MASTER_MASK, 8)
#define SET_AHBCFG_DEFAULT_MASTER( reg, val) \
SET_FIELD( reg, val, AHBCFG_DEFAULT_MASTER_MASK, 8)
#define AHBCFG_EP1_MASK 0x00007000U
#define GET_AHBCFG_EP1( reg) \
GET_FIELD( reg, AHBCFG_EP1_MASK, 12)
#define SET_AHBCFG_EP1( reg, val) \
SET_FIELD( reg, val, AHBCFG_EP1_MASK, 12)
#define AHBCFG_EP2_MASK 0x00070000U
#define GET_AHBCFG_EP2( reg) \
GET_FIELD( reg, AHBCFG_EP2_MASK, 16)
#define SET_AHBCFG_EP2( reg, val) \
SET_FIELD( reg, val, AHBCFG_EP2_MASK, 16)
#define AHBCFG_EP3_MASK 0x00700000U
#define GET_AHBCFG_EP3( reg) \
GET_FIELD( reg, AHBCFG_EP3_MASK, 20)
#define SET_AHBCFG_EP3( reg, val) \
SET_FIELD( reg, val, AHBCFG_EP3_MASK, 20)
#define AHBCFG_EP4_MASK 0x07000000U
#define GET_AHBCFG_EP4( reg) \
GET_FIELD( reg, AHBCFG_EP4_MASK, 24)
#define SET_AHBCFG_EP4( reg, val) \
SET_FIELD( reg, val, AHBCFG_EP4_MASK, 24)
#define AHBCFG_EP5_MASK 0x70000000U
#define GET_AHBCFG_EP5( reg) \
GET_FIELD( reg, AHBCFG_EP5_MASK, 28)
#define SET_AHBCFG_EP5( reg, val) \
SET_FIELD( reg, val, AHBCFG_EP5_MASK, 28)
/* EMC */
#define EMC_DYN_CTRL_CE 0x00000001U
#define EMC_DYN_CTRL_CS 0x00000002U
#define EMC_DYN_CTRL_CMD_NORMAL 0x00000000U
#define EMC_DYN_CTRL_CMD_MODE 0x00000080U
#define EMC_DYN_CTRL_CMD_PALL 0x00000100U
#define EMC_DYN_CTRL_CMD_NOP 0x00000180U
#endif /* LIBBSP_ARM_LPC24XX_LPC24XX_H */

View File

@@ -25,6 +25,8 @@
extern "C" {
#endif /* __cplusplus */
void lpc24xx_micro_seconds_delay( unsigned us);
unsigned lpc24xx_cclk( void);
void lpc24xx_set_pll( unsigned clksrc, unsigned nsel, unsigned msel, unsigned cclksel);

View File

@@ -28,16 +28,49 @@
*/
#define LPC24XX_OSCILLATOR_INTERNAL 4000000U
#if !defined(LPC24XX_OSCILLATOR_MAIN)
#error unknown main oscillator frequency
#ifndef LPC24XX_OSCILLATOR_MAIN
#error "unknown main oscillator frequency"
#endif
#if !defined(LPC24XX_OSCILLATOR_RTC)
#error unknown rtc oscillator frequency
#ifndef LPC24XX_OSCILLATOR_RTC
#error "unknown RTC oscillator frequency"
#endif
/**
* @brief Delay for @a us micro seconds.
*
* @note Uses Timer 1.
*/
void lpc24xx_micro_seconds_delay( unsigned us)
{
/* Stop and reset timer */
T1TCR = 0x02;
/* Set prescaler to zero */
T1PR = 0x00;
/* Set match value */
T1MR0 = (uint32_t) ((uint64_t) 4000000 * (uint64_t) us / (uint64_t) lpc24xx_cclk()) + 1;
/* Reset all interrupt flags */
T1IR = 0xff;
/* Stop timer on match */
T1MCR = 0x04;
/* Start timer */
T1TCR = 0x01;
/* Wait until delay time has elapsed */
while ((T1TCR & 0x01) != 0) {
/* Wait */
}
}
/**
* @brief Returns the CPU clock frequency in [Hz].
*
* Return zero in case of an unexpected PLL input frequency.
*/
unsigned lpc24xx_cclk( void)
{
@@ -58,9 +91,6 @@ unsigned lpc24xx_cclk( void)
pllinclk = LPC24XX_OSCILLATOR_RTC;
break;
default:
while (1) {
/* Spin forever */
}
return 0;
}
@@ -116,7 +146,7 @@ void lpc24xx_set_pll( unsigned clksrc, unsigned nsel, unsigned msel, unsigned cc
}
/* Set CPU clock divider to a reasonable save value */
CCLKCFG = SET_CCLKCFG_CCLKSEL( 0, 1);
CCLKCFG = 0;
/* Disable PLL if necessary */
if (pll_enabled) {

View File

@@ -41,6 +41,10 @@ $(PROJECT_INCLUDE)/bsp.h: include/bsp.h $(PROJECT_INCLUDE)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp.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_INCLUDE)/bspopts.h: include/bspopts.h $(PROJECT_INCLUDE)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bspopts.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bspopts.h
@@ -49,10 +53,6 @@ $(PROJECT_INCLUDE)/bsp/bootcard.h: ../../shared/include/bootcard.h $(PROJECT_INC
$(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_INCLUDE)/bsp/utility.h: ../../shared/include/utility.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/utility.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/utility.h
@@ -61,6 +61,10 @@ $(PROJECT_INCLUDE)/bsp/irq-generic.h: ../../shared/include/irq-generic.h $(PROJE
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/irq-generic.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/irq-generic.h
$(PROJECT_INCLUDE)/bsp/irq-info.h: ../../shared/include/irq-info.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/irq-info.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/irq-info.h
$(PROJECT_INCLUDE)/bsp/tod.h: ../../shared/tod.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/tod.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/tod.h
@@ -109,7 +113,19 @@ $(PROJECT_LIB)/linkcmds.base: ../shared/startup/linkcmds.base $(PROJECT_LIB)/$(d
$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.base
PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds.base
$(PROJECT_LIB)/linkcmds: startup/linkcmds $(PROJECT_LIB)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds
PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds
$(PROJECT_LIB)/linkcmds.rom: ../shared/startup/linkcmds.rom $(PROJECT_LIB)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.rom
PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds.rom
$(PROJECT_LIB)/linkcmds.lpc2478: startup/linkcmds.lpc2478 $(PROJECT_LIB)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.lpc2478
PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds.lpc2478
$(PROJECT_LIB)/linkcmds.lpc2478_ncs: startup/linkcmds.lpc2478_ncs $(PROJECT_LIB)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.lpc2478_ncs
PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds.lpc2478_ncs
$(PROJECT_LIB)/linkcmds.lpc2478_ncs_ram: startup/linkcmds.lpc2478_ncs_ram $(PROJECT_LIB)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.lpc2478_ncs_ram
PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds.lpc2478_ncs_ram

View File

@@ -217,14 +217,14 @@ static rtems_status_code lpc24xx_ssp_init( rtems_libi2c_bus_t *bus)
switch ((uintptr_t) regs) {
case SSP0_BASE_ADDR:
rtems_interrupt_disable( level);
SET_PCLKSEL1_PCLK_SSP0( PCLKSEL1, 1);
PCLKSEL1 = SET_PCLKSEL1_PCLK_SSP0( PCLKSEL1, 1);
rtems_interrupt_enable( level);
vector = LPC24XX_IRQ_SPI_SSP_0;
break;
case SSP1_BASE_ADDR:
rtems_interrupt_disable( level);
SET_PCLKSEL0_PCLK_SSP1( PCLKSEL0, 1);
PCLKSEL0 = SET_PCLKSEL0_PCLK_SSP1( PCLKSEL0, 1);
rtems_interrupt_enable( level);
vector = LPC24XX_IRQ_SSP_1;
@@ -402,7 +402,7 @@ static int lpc24xx_ssp_read_write(
}
/* Disable DMA on SSP */
regs->dmacr = SSP_DMACR_RXDMAE | SSP_DMACR_TXDMAE;
regs->dmacr = 0;
if (in == NULL) {
dr = 0;

View File

@@ -29,27 +29,290 @@
#include <bsp/start.h>
#include <bsp/system-clocks.h>
void bsp_start_hook_0( void)
static void lpc24xx_fatal_error( void)
{
/* Re-map interrupt vectors to internal RAM */
SET_MEMMAP_MAP( MEMMAP, 2);
while (true) {
/* Spin forever */
}
}
void bsp_start_hook_1( void)
static void lpc24xx_ram_test_32( void)
{
unsigned zero = 0;
unsigned *out = bsp_section_bss_start;
volatile unsigned *out = (volatile unsigned *) bsp_ram_ext_start;
/* Clear BSS */
while (out < bsp_section_bss_end) {
*out = zero;
while (out < (volatile unsigned *) bsp_ram_ext_end) {
*out = (unsigned) out;
++out;
}
out = (volatile unsigned *) bsp_ram_ext_start;
while (out < (volatile unsigned *) bsp_ram_ext_end) {
if (*out != (unsigned) out) {
lpc24xx_fatal_error();
}
++out;
}
}
/**
* @brief EMC initialization.
*
* Dynamic Memory 0: Micron M T48LC 4M16 A2 P 75 IT
*/
static void lpc24xx_init_emc( void)
{
#ifdef LPC24XX_EMC_MICRON
int i = 0;
uint32_t mode = 0;
/* Enable power */
PCONP = SET_FLAGS( PCONP, 0x0800);
/* Set PIN selects */
PINSEL5 = SET_FLAGS( PINSEL5, 0x05050555);
PINSEL6 = SET_FLAGS( PINSEL6, 0x55555555);
PINSEL8 = SET_FLAGS( PINSEL8, 0x55555555);
PINSEL9 = SET_FLAGS( PINSEL9, 0x50555555);
/* Enable module, normal memory map and normal power mode */
EMC_CTRL = 1;
/* Use little-endian mode and 1:1 clock ratio */
EMC_CONFIG = 0;
/* Global dynamic settings */
/* FIXME */
EMC_DYN_APR = 2;
/* Data-in to active command period tWR + tRP */
EMC_DYN_DAL = 4;
/* Load mode register to active or refresh command period 2 tCK */
EMC_DYN_MRD = 1;
/* Active to precharge command period 44 ns */
EMC_DYN_RAS = 3;
/* Active to active command period 66 ns */
EMC_DYN_RC = 4;
/* Use command delayed strategy */
EMC_DYN_RD_CFG = 1;
/* Auto refresh period 66 ns */
EMC_DYN_RFC = 4;
/* Precharge command period 20 ns */
EMC_DYN_RP = 1;
/* Active bank a to active bank b command period 15 ns */
EMC_DYN_RRD = 1;
/* FIXME */
EMC_DYN_SREX = 5;
/* Write recovery time 15 ns */
EMC_DYN_WR = 1;
/* Exit self refresh to active command period 75 ns */
EMC_DYN_XSR = 5;
/* Dynamic Memory 0 settings */
/*
* Use SDRAM, 0 0 001 01 address mapping, disabled buffer, unprotected writes
*/
EMC_DYN_CFG0 = 0x0280;
/* CAS and RAS latency */
EMC_DYN_RASCAS0 = 0x0202;
/* Wait 50 micro seconds */
lpc24xx_micro_seconds_delay( 50);
/* Send command: NOP */
EMC_DYN_CTRL = EMC_DYN_CTRL_CE | EMC_DYN_CTRL_CS | EMC_DYN_CTRL_CMD_NOP;
/* Wait 50 micro seconds */
lpc24xx_micro_seconds_delay( 50);
/* Send command: PRECHARGE ALL */
EMC_DYN_CTRL = EMC_DYN_CTRL_CE | EMC_DYN_CTRL_CS | EMC_DYN_CTRL_CMD_PALL;
/* Shortest possible refresh period */
EMC_DYN_RFSH = 0x01;
/* Wait at least 128 ABH clock cycles */
for (i = 0; i < 128; ++i) {
asm volatile (" nop");
}
/* Wait 1 micro second */
lpc24xx_micro_seconds_delay( 1);
/* Set refresh period */
EMC_DYN_RFSH = 0x46;
/* Send command: MODE */
EMC_DYN_CTRL = EMC_DYN_CTRL_CE | EMC_DYN_CTRL_CS | EMC_DYN_CTRL_CMD_MODE;
/* Set mode registerin SDRAM */
mode = *((volatile uint32_t *) (0xa0000000 | (0x23 << (1 + 2 + 8))));
/* Send command: NORMAL */
EMC_DYN_CTRL = 0;
/* Enable buffer */
EMC_DYN_CFG0 |= 0x00080000;
/* Static Memory 0 settings */
EMC_STA_WAITWEN0 = 0x02;
EMC_STA_WAITOEN0 = 0x02;
EMC_STA_WAITRD0 = 0x1f;
EMC_STA_WAITPAGE0 = 0x1f;
EMC_STA_WAITWR0 = 0x1f;
EMC_STA_WAITTURN0 = 0x0f;
EMC_STA_CFG0 = 0x81;
/* Static Memory 1 settings */
EMC_STA_WAITWEN1 = 0x02;
EMC_STA_WAITOEN1 = 0x02;
EMC_STA_WAITRD1 = 0x08;
EMC_STA_WAITPAGE1 = 0x1f;
EMC_STA_WAITWR1 = 0x08;
EMC_STA_WAITTURN1 = 0x0f;
EMC_STA_CFG1 = 0x80;
/* RAM test */
lpc24xx_ram_test_32();
#endif /* LPC24XX_EMC_MICRON */
}
static void lpc24xx_init_pll( void)
{
#ifndef LPC24XX_HAS_UBOOT
/* Enable main oscillator */
SCS = SET_FLAGS( SCS, 0x20);
while (IS_FLAG_CLEARED( SCS, 0x40)) {
/* Wait */
}
/* Set PLL */
lpc24xx_set_pll( 1, 0, 11, 3);
#endif /* LPC24XX_HAS_UBOOT */
}
void /* __attribute__ ((section (".entry"))) */ bsp_start_hook_0( void)
{
/* Initialize PLL */
lpc24xx_init_pll();
#ifndef LPC24XX_HAS_UBOOT
/* Set pin functions */
PINSEL0 = 0;
PINSEL1 = 0;
PINSEL2 = 0;
PINSEL3 = 0;
PINSEL4 = 0;
PINSEL5 = 0;
PINSEL6 = 0;
PINSEL7 = 0;
PINSEL8 = 0;
PINSEL9 = 0;
PINSEL10 = 0;
/* Set periperal clocks */
PCLKSEL0 = 0;
PCLKSEL1 = 0;
/* Disable power for all modules */
PCONP = 0;
/* Set memory accelerator module (MAM) */
MAMCR = 0;
MAMTIM = 4;
/* Set general purpose IO */
IODIR0 = 0;
IODIR1 = 0;
IOSET0 = 0xffffffff;
IOSET1 = 0xffffffff;
/* Set fast IO */
FIO0DIR = 0;
FIO1DIR = 0;
FIO2DIR = 0;
FIO3DIR = 0;
FIO4DIR = 0;
FIO0SET = 0xffffffff;
FIO1SET = 0xffffffff;
FIO2SET = 0xffffffff;
FIO3SET = 0xffffffff;
FIO4SET = 0xffffffff;
/* Initialize UART 0 */
PCONP = SET_FLAGS( PCONP, 0x08);
PCLKSEL0 = SET_FLAGS( PCLKSEL0, 0x40);
PINSEL0 = SET_FLAGS( PINSEL0, 0x50);
U0LCR = 0;
U0IER = 0;
U0LCR = 0x80;
U0DLL = lpc24xx_cclk() / 16 / LPC24XX_UART_BAUD;
U0DLM = 0;
U0LCR = 0x03;
U0FCR = 0x07;
/* Initialize Timer 1 */
PCONP = SET_FLAGS( PCONP, 0x04);
PCLKSEL0 = SET_FLAGS( PCLKSEL0, 0x10);
#endif /* LPC24XX_HAS_UBOOT */
}
static void lpc24xx_copy_data( void)
{
#ifndef LPC24XX_HAS_UBOOT
unsigned *in = bsp_section_text_end;
unsigned *out = bsp_section_data_start;
/* Copy data */
while (out < bsp_section_data_end) {
*out = *in;
++out;
++in;
}
#endif /* LPC24XX_HAS_UBOOT */
}
static void lpc24xx_clear_bss( void)
{
unsigned *out = bsp_section_bss_start;
/* Clear BSS */
while (out < bsp_section_bss_end) {
*out = 0;
++out;
}
}
void /* __attribute__ ((section (".entry"))) */ bsp_start_hook_1( void)
{
/* Re-map interrupt vectors to internal RAM */
MEMMAP = SET_MEMMAP_MAP( MEMMAP, 2);
/* Initialize External Memory Controller (EMC) */
lpc24xx_init_emc();
/* Copy data */
lpc24xx_copy_data();
/* Clear BSS */
lpc24xx_clear_bss();
}
void bsp_start( void)
{
printk( "CPU Clock: %u\n", lpc24xx_cclk());
printk( "CPU clock (CCLK): %u\n", lpc24xx_cclk());
/* Exceptions */
rtems_exception_init_mngt();
@@ -57,10 +320,8 @@ void bsp_start( void)
/* Interrupts */
if (bsp_interrupt_initialize() != RTEMS_SUCCESSFUL) {
/* FIXME */
printk( "Cannot intitialize interrupt support\n");
while (1) {
/* Spin forever */
}
printk( "cannot intitialize interrupt support\n");
lpc24xx_fatal_error();
}
/* DMA */

View File

@@ -21,6 +21,11 @@
#ifndef ASM
/**
* @brief System start entry.
*/
void start( void);
/**
* @brief Start entry hook 0.
*

View File

@@ -27,14 +27,7 @@
/* Global symbols */
.globl start
.globl Reset_Handler
.globl Undefined_Handler
.globl SWI_Handler
.globl Prefetch_Handler
.globl Abort_Handler
.globl IRQ_Handler
.globl FIQ_Handler
/* Program Status Register definitions */
@@ -49,9 +42,61 @@
.equ PSR_F, 0x40
.equ PSR_T, 0x20
.section ".entry"
/*
* This is the exception vector table and the pointers to the default
* exceptions handlers.
*/
vector_block:
ldr pc, handler_addr_reset
ldr pc, handler_addr_undef
ldr pc, handler_addr_swi
ldr pc, handler_addr_prefetch
ldr pc, handler_addr_abort
/* Program signature checked by boot loader */
.word 0xb8a06f58
ldr pc, handler_addr_irq
ldr pc, handler_addr_fiq
handler_addr_reset:
.word start
handler_addr_undef:
.word twiddle
handler_addr_swi:
.word twiddle
handler_addr_prefetch:
.word twiddle
handler_addr_abort:
.word twiddle
handler_addr_reserved:
.word twiddle
handler_addr_irq:
.word twiddle
handler_addr_fiq:
.word twiddle
/* Start entry */
.section ".entry"
start:
/*
@@ -112,7 +157,7 @@ start:
* vectors and the pointers to the default exception handlers.
*/
mov r0, #0
ldr r0, =bsp_section_vector_start
adr r1, vector_block
ldmia r1!, {r2-r9}
stmia r0!, {r2-r9}
@@ -131,52 +176,8 @@ start:
/* Spin forever */
SWI_Handler:
twiddle:
b twiddle
/*
* This is the exception vector table and the pointers to the default
* exceptions handlers.
*/
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

View File

@@ -1,3 +1,8 @@
2009-02-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
* include/utility.h: Added define.
* include/irq-generic.h: Added missing prototypes.
2009-02-11 Joel Sherrill <joel.sherrill@oarcorp.com>
* tod.c: Use rtems_clock_get_tod().

View File

@@ -146,7 +146,7 @@ static inline bool bsp_interrupt_is_valid_vector( rtems_vector_number vector)
*/
void bsp_interrupt_handler_default( rtems_vector_number vector);
rtems_status_code bsp_interrupt_initialize();
rtems_status_code bsp_interrupt_initialize( void);
/**
* @brief BSP specific initialization.
@@ -163,7 +163,7 @@ rtems_status_code bsp_interrupt_initialize();
*
* @return On success RTEMS_SUCCESSFUL shall be returned.
*/
rtems_status_code bsp_interrupt_facility_initialize();
rtems_status_code bsp_interrupt_facility_initialize( void);
/**
* @brief Enables the interrupt vector with number @a vector.

View File

@@ -41,6 +41,9 @@ extern "C" {
#define ARE_FLAGS_SET( val, flags) \
(((val) & (flags)) == (flags))
#define IS_ANY_FLAG_SET( val, flags) \
(((val) & (flags)) != 0)
#define ARE_FLAGS_CLEARED( val, flags) \
(((val) & (flags)) == 0)

View File

@@ -4,20 +4,13 @@
# $Id$
#
include $(RTEMS_ROOT)/make/custom/default.cfg
LPC24XX_LINKCMDS = linkcmds.lpc2478
RTEMS_CPU = arm
RTEMS_BSP_FAMILY = lpc24xx
include $(RTEMS_ROOT)/make/custom/lpc24xx.cfg
CPU_CFLAGS = -mcpu=arm7tdmi -mstructure-size-boundary=8 -mapcs-frame
CFLAGS_OPTIMIZE_V = -Os -g
define bsp-post-link
$(OBJCOPY) -O binary '$@' '$(basename $@).bin'
gzip -f -9 '$(basename $@).bin'
# mkimage -A arm -O rtems -T kernel -C gzip \
# -a a0000000 -e a0000000 -name '$(notdir $@)' \
# -d '$(basename $@).bin.gz' '$(basename $@).img'
$(default-bsp-post-link)
endef
# define bsp-post-link
# $(OBJCOPY) -O binary '$@' '$(basename $@).bin'
# gzip -f -9 '$(basename $@).bin'
# mkimage -A arm -O rtems -T kernel -C gzip -a a0000000 -e a0000040 -name '$(notdir $@)' -d '$(basename $@).bin.gz' '$(basename $@).img'
# $(default-bsp-post-link)
# endef