1 files changed, 83 insertions, 0 deletions
diff --git a/bsps/arm/smdk2410/start/bspstart.c b/bsps/arm/smdk2410/start/bspstart.c
new file mode 100644
index 0000000000..c70de1f291
--- /dev/null
+++ b/bsps/arm/smdk2410/start/bspstart.c
@@ -0,0 +1,83 @@
+/*
+ * This file contains the ARM BSP startup package. It includes application,
+ * board, and monitor specific initialization and configuration. The generic CPU
+ * dependent initialization has been performed before this routine is invoked.
+ */
+
+/*
+ *  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.org/license/LICENSE.
+ */
+
+#include <bsp.h>
+#include <bsp/irq-generic.h>
+#include <rtems/bspIo.h>
+#include <s3c24xx.h>
+
+/*
+ *  BSP Specific Initialization in C
+ */
+static void bsp_start_default( void )
+{
+  uint32_t cr;
+  uint32_t pend,last;
+  uint32_t REFCNT;
+  int i;
+
+  /* stop RTC */
+  #ifdef CPU_S3C2400
+    rTICINT = 0x0;
+  #else
+    rTICNT = 0x0;
+  #endif
+  /* stop watchdog,ADC and timers */
+  rWTCON = 0x0;
+  rTCON = 0x0;
+  rADCCON = 0x0;
+
+  /* disable interrupts */
+  rINTMOD = 0x0;
+  rINTMSK = BIT_ALLMSK; /* unmasked by drivers */
+
+  last = 0;
+  for(i=0; i<4; i++) {
+    pend = rSRCPND;
+    if(pend == 0 || pend == last)
+      break;
+    rSRCPND = pend;
+    rINTPND = pend;
+    last    = pend;
+  }
+
+  /* setup clocks */
+  rCLKDIVN = M_CLKDIVN;
+  rMPLLCON = ((M_MDIV<<12)+(M_PDIV<<4)+M_SDIV);
+  /* setup rREFRESH
+   * period = 15.6 us, HCLK=66Mhz, (2048+1-15.6*66)
+   */
+  REFCNT   = 2048+1-(15.6*get_HCLK()/1000000);
+  rREFRESH = ((REFEN<<23)+(TREFMD<<22)+(Trp<<20)+(Trc<<18)+(Tchr<<16)+REFCNT);
+
+  /* set prescaler for timers 2,3,4 to 16(15+1) */
+  cr = rTCFG0 & 0xFFFF00FF;
+  rTCFG0 = (cr | (15<<8));
+
+  /* set prescaler for timers 0,1 to 1(0+1) */
+  cr = rTCFG0 & 0xFFFFFF00;
+  rTCFG0 = (cr | (0<<0));
+
+  /*
+   * Init rtems interrupt management
+   */
+  bsp_interrupt_initialize();
+}
+
+/*
+ *  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")));