diff -r c432930b62c2 -r 2fc8aa46980b drivers/ecos_lpc2138_sja1000/nvram_iap.c
--- a/drivers/ecos_lpc2138_sja1000/nvram_iap.c	Thu May 18 21:56:59 2006 +0200
+++ b/drivers/ecos_lpc2138_sja1000/nvram_iap.c	Fri May 19 20:20:06 2006 +0200
@@ -54,6 +54,53 @@
 IAP iap_entry;
 
 
+int iat_init()
+{
+	int n = NVRAM_BLOCK_SIZE / sizeof(unsigned int);
+
+	/* some actions to initialise the flash */
+	data_len = 0;
+	data_num_pages = 0;
+
+	data_page = (unsigned int *)malloc(sizeof(unsigned int) * n);
+	memset(data_page, 0, sizeof(unsigned int)*n);
+
+	if (data_page == NULL)
+		return -1;
+
+	regs_page = (unsigned int *)malloc(sizeof(unsigned int) * n);
+	memset(regs_page, 0, sizeof(unsigned int)*n);
+	if (regs_page == NULL)
+		return -2;
+
+	iat_flash_read_regs();
+
+	/* start the data at the location specified in the registers */ 
+	if (0) /* for now it is 0, but put here a test to know whether
+                  or not the NVRAM has been written before */
+		data_addr = regs_page[1];
+	else
+		data_addr = NVRAM_BLOCK_SIZE; /* let start at block 1 */
+
+	return 0;
+}
+
+
+void iat_end()
+{
+	/* write the last page before closing */
+	iat_flash_write_page(data_addr);
+
+	/* some actions to end accessing the flash */
+	free(data_page);
+
+	regs_page[4] = data_num_pages;
+	/* write the registers to the NVRAM before closing */
+	iat_flash_write_regs();
+	free(regs_page);
+}
+
+
 
 /************************************************************************/
 /*                                                                    	*/