X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=board%2Fesd%2Fpmc405%2Fpmc405.c;h=03143fe487b83bf8bf5e8ce011749f477cefa4f9;hb=3df4f46f3209c067dcadc969ed02d27c97fa3632;hp=6d2432cb3c78d4d6165fd71594020dc33a9bfcfd;hpb=c837dcb1a316745092567bfe4fb266d0941884ff;p=karo-tx-uboot.git

diff --git a/board/esd/pmc405/pmc405.c b/board/esd/pmc405/pmc405.c
index 6d2432cb3c..03143fe487 100644
--- a/board/esd/pmc405/pmc405.c
+++ b/board/esd/pmc405/pmc405.c
@@ -1,6 +1,9 @@
 /*
  * (C) Copyright 2001-2003
- * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * (C) Copyright 2005-2009
+ * Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -23,17 +26,13 @@
 
 #include <common.h>
 #include <asm/processor.h>
+#include <asm/io.h>
 #include <command.h>
 #include <malloc.h>
 
+DECLARE_GLOBAL_DATA_PTR;
 
-/* fpga configuration data - not compressed, generated by bin2c */
-const unsigned char fpgadata[] =
-{
-#include "fpgadata.c"
-};
-int filesize = sizeof(fpgadata);
-
+extern void lxt971_no_sleep(void);
 
 int board_early_init_f (void)
 {
@@ -49,84 +48,111 @@ int board_early_init_f (void)
 	 * IRQ 30 (EXT IRQ 5) PCI INTA; active low; level sensitive
 	 * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
 	 */
-	mtdcr(uicsr, 0xFFFFFFFF);       /* clear all ints */
-	mtdcr(uicer, 0x00000000);       /* disable all ints */
-	mtdcr(uiccr, 0x00000000);       /* set all to be non-critical*/
-	mtdcr(uicpr, 0xFFFFFF81);       /* set int polarities */
-	mtdcr(uictr, 0x10000000);       /* set int trigger levels */
-	mtdcr(uicvcr, 0x00000001);      /* set vect base=0,INT0 highest priority*/
-	mtdcr(uicsr, 0xFFFFFFFF);       /* clear all ints */
+	mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
+	mtdcr(UIC0ER, 0x00000000); /* disable all ints */
+	mtdcr(UIC0CR, 0x00000000); /* set all to be non-critical*/
+	mtdcr(UIC0PR, 0xFFFFFF81); /* set int polarities */
+	mtdcr(UIC0TR, 0x10000000); /* set int trigger levels */
+	mtdcr(UIC0VCR, 0x00000001); /* set vect base=0, INT0 highest priority */
+	mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
 
 	/*
-	 * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us
+	 * EBC Configuration Register:
+	 * set ready timeout to 512 ebc-clks -> ca. 15 us
 	 */
-	mtebc (epcr, 0xa8400000);
-
-	return 0;
-}
+	mtebc (EBC0_CFG, 0xa8400000);
 
+	/*
+	 * Setup GPIO pins
+	 */
+	mtdcr(CPC0_CR0, mfdcr(CPC0_CR0) | ((CONFIG_SYS_FPGA_INIT |
+					CONFIG_SYS_FPGA_DONE |
+					CONFIG_SYS_XEREADY |
+					CONFIG_SYS_NONMONARCH |
+					CONFIG_SYS_REV1_2) << 5));
+
+	if (!(in_be32((void *)GPIO0_IR) & CONFIG_SYS_REV1_2)) {
+		/* rev 1.2 boards */
+		mtdcr(CPC0_CR0, mfdcr(CPC0_CR0) | ((CONFIG_SYS_INTA_FAKE |
+						CONFIG_SYS_SELF_RST) << 5));
+	}
 
-/* ------------------------------------------------------------------------- */
+	out_be32((void *)GPIO0_OR, CONFIG_SYS_VPEN);
+	/* setup for output */
+	out_be32((void *)GPIO0_TCR, CONFIG_SYS_FPGA_PRG | CONFIG_SYS_FPGA_CLK |
+		 CONFIG_SYS_FPGA_DATA | CONFIG_SYS_XEREADY | CONFIG_SYS_VPEN);
 
-int misc_init_f (void)
-{
-	return 0;  /* dummy implementation */
+	/*
+	 * - check if rev1_2 is low, then:
+	 * - set/reset CONFIG_SYS_INTA_FAKE/CONFIG_SYS_SELF_RST
+	 *   in TCR to assert INTA# or SELFRST#
+	 */
+	return 0;
 }
 
-
 int misc_init_r (void)
 {
+	/* adjust flash start and offset */
+	gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
+	gd->bd->bi_flashoffset = 0;
+
+	/* deassert EREADY# */
+	out_be32((void *)GPIO0_OR,
+		 in_be32((void *)GPIO0_OR) | CONFIG_SYS_XEREADY);
 	return (0);
 }
 
+ushort pmc405_pci_subsys_deviceid(void)
+{
+	ulong val;
+
+	val = in_be32((void *)GPIO0_IR);
+	if (!(val & CONFIG_SYS_REV1_2)) { /* low=rev1.2 */
+		/* check monarch# signal */
+		if (val & CONFIG_SYS_NONMONARCH)
+			return CONFIG_SYS_PCI_SUBSYS_DEVICEID_NONMONARCH;
+		return CONFIG_SYS_PCI_SUBSYS_DEVICEID_MONARCH;
+	}
+	return CONFIG_SYS_PCI_SUBSYS_DEVICEID_NONMONARCH;
+}
 
 /*
- * Check Board Identity:
+ * Check Board Identity
  */
-
 int checkboard (void)
 {
-	unsigned char str[64];
-	int i = getenv_r ("serial#", str, sizeof(str));
+	ulong val;
+	char str[64];
+	int i = getenv_f("serial#", str, sizeof(str));
 
 	puts ("Board: ");
 
-	if (i == -1) {
+	if (i == -1)
 		puts ("### No HW ID - assuming PMC405");
-	} else {
+	else
 		puts(str);
-	}
+
+	val = in_be32((void *)GPIO0_IR);
+	if (!(val & CONFIG_SYS_REV1_2)) { /* low=rev1.2 */
+		puts(" rev1.2 (");
+		if (val & CONFIG_SYS_NONMONARCH) /* monarch# signal */
+			puts("non-");
+		puts("monarch)");
+	} else
+		puts(" <=rev1.1");
 
 	putc ('\n');
 
 	return 0;
 }
 
-/* ------------------------------------------------------------------------- */
-
-long int initdram (int board_type)
+void reset_phy(void)
 {
-	unsigned long val;
-
-	mtdcr(memcfga, mem_mb0cf);
-	val = mfdcr(memcfgd);
+#ifdef CONFIG_LXT971_NO_SLEEP
 
-#if 0
-	printf("\nmb0cf=%x\n", val); /* test-only */
-	printf("strap=%x\n", mfdcr(strap)); /* test-only */
+	/*
+	 * Disable sleep mode in LXT971
+	 */
+	lxt971_no_sleep();
 #endif
-
-	return (4*1024*1024 << ((val & 0x000e0000) >> 17));
-}
-
-/* ------------------------------------------------------------------------- */
-
-int testdram (void)
-{
-	/* TODO: XXX XXX XXX */
-	printf ("test: 16 MB - ok\n");
-
-	return (0);
 }
-
-/* ------------------------------------------------------------------------- */