Add support for KVME080 board

Patch by Sangmoon Kim, 18 Aug 2005

1 files changed, 186 insertions, 0 deletions

diff --git a/board/etin/kvme080/multiverse.c b/board/etin/kvme080/multiverse.c
new file mode 100644
index 0000000..eb89581
--- /dev/null
+++ b/board/etin/kvme080/multiverse.c
@@ -0,0 +1,186 @@
+/*
+ * multiverse.c
+ *
+ * VME driver for Multiverse
+ *
+ * Author : Sangmoon Kim
+ *	    dogoil@etinsys.com
+ *
+ * Copyright 2005 ETIN SYSTEMS Co.,Ltd.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <pci.h>
+
+#include "multiverse.h"
+
+static unsigned long vme_asi_addr;
+static unsigned long vme_iack_addr;
+static unsigned long pci_reg_addr;
+static unsigned long vme_reg_addr;
+
+int multiv_reset(unsigned long base)
+{
+	writeb(0x09, base + VME_SLAVE32_AM);
+	writeb(0x39, base + VME_SLAVE24_AM);
+	writeb(0x29, base + VME_SLAVE16_AM);
+	writeb(0x2f, base + VME_SLAVE_REG_AM);
+	writeb((VME_A32_SLV_BUS >> 24) & 0xff, base + VME_SLAVE32_A);
+	writeb((VME_A24_SLV_BUS >> 16) & 0xff, base + VME_SLAVE24_A);
+	writeb((VME_A16_SLV_BUS >> 8 ) & 0xff, base + VME_SLAVE16_A);
+#ifdef A32_SLV_WINDOW
+	if (readb(base + VME_STATUS) & VME_STATUS_SYSCON) {
+		writeb(((~(VME_A32_SLV_SIZE-1)) >> 24) & 0xff,
+				base + VME_SLAVE32_MASK);
+		writeb(0x01, base + VME_SLAVE32_EN);
+	} else {
+		writeb(0xff, base + VME_SLAVE32_MASK);
+		writeb(0x00, base + VME_SLAVE32_EN);
+	}
+#else
+	writeb(0xff, base + VME_SLAVE32_MASK);
+	writeb(0x00, base + VME_SLAVE32_EN);
+#endif
+#ifdef A24_SLV_WINDOW
+	if (readb(base + VME_STATUS) & VME_STATUS_SYSCON) {
+		writeb(((~(VME_A24_SLV_SIZE-1)) >> 16) & 0xff,
+				base + VME_SLAVE24_MASK);
+		writeb(0x01, base + VME_SLAVE24_EN);
+	} else {
+		writeb(0xff, base + VME_SLAVE24_MASK);
+		writeb(0x00, base + VME_SLAVE24_EN);
+	}
+#else
+	writeb(0xff, base + VME_SLAVE24_MASK);
+	writeb(0x00, base + VME_SLAVE24_EN);
+#endif
+#ifdef A16_SLV_WINDOW
+	if (readb(base + VME_STATUS) & VME_STATUS_SYSCON) {
+		writeb(((~(VME_A16_SLV_SIZE-1)) >> 8) & 0xff,
+				base + VME_SLAVE16_MASK);
+		writeb(0x01, base + VME_SLAVE16_EN);
+	} else {
+		writeb(0xff, base + VME_SLAVE16_MASK);
+		writeb(0x00, base + VME_SLAVE16_EN);
+	}
+#else
+	writeb(0xff, base + VME_SLAVE16_MASK);
+	writeb(0x00, base + VME_SLAVE16_EN);
+#endif
+#ifdef REG_SLV_WINDOW
+	if (readb(base + VME_STATUS) & VME_STATUS_SYSCON) {
+		writeb(((~(VME_REG_SLV_SIZE-1)) >> 16) & 0xff,
+				base + VME_SLAVE_REG_MASK);
+		writeb(0x01, base + VME_SLAVE_REG_EN);
+	} else {
+		writeb(0xf8, base + VME_SLAVE_REG_MASK);
+	}
+#else
+	writeb(0xf8, base + VME_SLAVE_REG_MASK);
+#endif
+	writeb(0x09, base + VME_MASTER32_AM);
+	writeb(0x39, base + VME_MASTER24_AM);
+	writeb(0x29, base + VME_MASTER16_AM);
+	writeb(0x2f, base + VME_MASTER_REG_AM);
+	writel(0x00000000, base + VME_RMW_ADRS);
+	writeb(0x00, base + VME_IRQ);
+	writeb(0x00, base + VME_INT_EN);
+	writel(0x00000000, base + VME_IRQ1_REG);
+	writel(0x00000000, base + VME_IRQ2_REG);
+	writel(0x00000000, base + VME_IRQ3_REG);
+	writel(0x00000000, base + VME_IRQ4_REG);
+	writel(0x00000000, base + VME_IRQ5_REG);
+	writel(0x00000000, base + VME_IRQ6_REG);
+	writel(0x00000000, base + VME_IRQ7_REG);
+	return 0;
+}
+
+void multiv_auto_slot_id(unsigned long base)
+{
+	unsigned int vector;
+	int slot_id = 1;
+	if (readb(base + VME_CTRL) & VME_CTRL_SYSFAIL) {
+		*(volatile unsigned int*)(base + VME_IRQ2_REG) = 0xfe;
+		writeb(readb(base + VME_IRQ) | 0x04, base + VME_IRQ);
+		writeb(readb(base + VME_CTRL) & ~VME_CTRL_SYSFAIL,
+				base + VME_CTRL);
+		while (readb(base + VME_STATUS) & VME_STATUS_SYSFAIL);
+		if (readb(base + VME_STATUS) & VME_STATUS_SYSCON) {
+			while (readb(base + VME_INT) & 0x04) {
+				vector = *(volatile unsigned int*)
+					(vme_iack_addr + VME_IACK2);
+				*(unsigned char*)(vme_asi_addr + 0x7ffff)
+					= (slot_id << 3) & 0xff;
+				slot_id ++;
+				if (slot_id > 31)
+					break;
+			}
+		}
+	}
+}
+
+int multiverse_init(void)
+{
+	int i;
+	pci_dev_t pdev;
+	unsigned int bar[6];
+
+	pdev = pci_find_device(0x1895, 0x0001, 0);
+
+	if (pdev == 0)
+		return -1;
+
+	for (i = 0; i < 6; i++)
+		pci_read_config_dword (pdev,
+				PCI_BASE_ADDRESS_0 + i * 4, &bar[i]);
+
+	pci_reg_addr = bar[0];
+	vme_reg_addr = bar[1] + 0x00F00000;
+	vme_iack_addr = bar[1] + 0x00200000;
+	vme_asi_addr = bar[3];
+
+	pci_write_config_dword (pdev, PCI_COMMAND,
+		PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
+
+	writel(0xFF000000, pci_reg_addr + P_TA1);
+	writel(0x04, pci_reg_addr + P_IMG_CTRL1);
+	writel(0xf0000000, pci_reg_addr + P_TA2);
+	writel(0x04, pci_reg_addr + P_IMG_CTRL2);
+	writel(0xF1000000, pci_reg_addr + P_TA3);
+	writel(0x04, pci_reg_addr + P_IMG_CTRL3);
+	writel(VME_A32_MSTR_BUS, pci_reg_addr + P_TA5);
+	writel(~(VME_A32_MSTR_SIZE-1), pci_reg_addr + P_AM5);
+	writel(0x04, pci_reg_addr + P_IMG_CTRL5);
+
+	writel(VME_A32_SLV_BUS, pci_reg_addr + W_BA1);
+	writel(~(VME_A32_SLV_SIZE-1), pci_reg_addr + W_AM1);
+	writel(VME_A32_SLV_LOCAL, pci_reg_addr + W_TA1);
+	writel(0x04, pci_reg_addr + W_IMG_CTRL1);
+
+	writel(0xF0000000, pci_reg_addr + W_BA2);
+	writel(0xFF000000, pci_reg_addr + W_AM2);
+	writel(VME_A24_SLV_LOCAL, pci_reg_addr + W_TA2);
+	writel(0x04, pci_reg_addr + W_IMG_CTRL2);
+
+	writel(0xFF000000, pci_reg_addr + W_BA3);
+	writel(0xFF000000, pci_reg_addr + W_AM3);
+	writel(VME_A16_SLV_LOCAL, pci_reg_addr + W_TA3);
+	writel(0x04, pci_reg_addr + W_IMG_CTRL3);
+
+	writel(0x00000001, pci_reg_addr + W_ERR_CS);
+	writel(0x00000001, pci_reg_addr + P_ERR_CS);
+
+	multiv_reset(vme_reg_addr);
+	writeb(readb(vme_reg_addr + VME_CTRL) | VME_CTRL_SHORT_D,
+		vme_reg_addr + VME_CTRL);
+
+	multiv_auto_slot_id(vme_reg_addr);
+
+	return 0;
+}