Hello Ralf,
This patch fixes the PCI fixup function for NEC Eagle.
Please apply to CVS.
Yoichi
diff -urN -X dontdiff linux-orig/arch/mips/pci/Makefile linux/arch/mips/pci/Makefile
--- linux-orig/arch/mips/pci/Makefile Thu Apr 15 00:06:22 2004
+++ linux/arch/mips/pci/Makefile Thu Apr 22 00:34:12 2004
@@ -38,7 +38,7 @@
obj-$(CONFIG_MOMENCO_OCELOT) += fixup-ocelot.o pci-ocelot.o
obj-$(CONFIG_MOMENCO_OCELOT_C) += pci-ocelot-c.o
obj-$(CONFIG_MOMENCO_OCELOT_G) += pci-ocelot-g.o
-obj-$(CONFIG_NEC_EAGLE) += fixup-eagle.o ops-vrc4173.o
+obj-$(CONFIG_NEC_EAGLE) += fixup-eagle.o
obj-$(CONFIG_PMC_YOSEMITE) += fixup-yosemite.o ops-titan.o
obj-$(CONFIG_SGI_IP27) += pci-ip27.o
obj-$(CONFIG_SGI_IP32) += fixup-ip32.o ops-mace.o pci-ip32.o
diff -urN -X dontdiff linux-orig/arch/mips/pci/fixup-eagle.c linux/arch/mips/pci/fixup-eagle.c
--- linux-orig/arch/mips/pci/fixup-eagle.c Fri Feb 20 00:49:46 2004
+++ linux/arch/mips/pci/fixup-eagle.c Thu Apr 22 00:34:12 2004
@@ -1,15 +1,25 @@
/*
- * arch/mips/vr41xx/nec-eagle/pci_fixup.c
+ * fixup-eagle.c, The NEC Eagle/Hawk Board specific PCI fixups.
*
- * The NEC Eagle/Hawk Board specific PCI fixups.
+ * Copyright (C) 2001-2002,2004 MontaVista Software, Inc.
+ * Author: Yoichi Yuasa <yyuasa@xxxxxxxxxx, or source@xxxxxxxxxx>
+ * Copyright (C) 2004 Yoichi Yuasa <yuasa@xxxxxxxxxxxxxx>
*
- * Author: Yoichi Yuasa <you@xxxxxxxxxx, or source@xxxxxxxxxx>
+ * 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.
*
- * 2001-2002,2004 (c) MontaVista, Software, Inc. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#include <linux/config.h>
#include <linux/init.h>
#include <linux/pci.h>
@@ -29,13 +39,13 @@
#define SLOT PCISLOT_IRQ
static char irq_tab_eagle[][5] __initdata = {
- [ 8] = { 0, INTA, INTB, INTC, INTD },
- [ 9] = { 0, INTD, INTA, INTB, INTC },
- [10] = { 0, INTC, INTD, INTA, INTB },
- [12] = { 0, PCMCIA1, 0, 0, 0 },
- [13] = { 0, PCMCIA2, 0, 0, 0 },
- [28] = { 0, LAN, 0, 0, 0 },
- [29] = { 0, SLOT, INTB, INTC, INTD },
+ [ 8] = { -1, INTA, INTB, INTC, INTD },
+ [ 9] = { -1, INTD, INTA, INTB, INTC },
+ [10] = { -1, INTC, INTD, INTA, INTB },
+ [12] = { -1, PCMCIA1, -1, -1, -1 },
+ [13] = { -1, PCMCIA2, -1, -1, -1 },
+ [28] = { -1, LAN, LAN, LAN, LAN },
+ [29] = { -1, SLOT, INTB, INTC, INTD },
};
/*
@@ -58,3 +68,97 @@
struct pci_fixup pcibios_fixups[] __initdata = {
{ .pass = 0, },
};
+
+#ifdef CONFIG_VRC4173
+/*
+ * PCI configuration registers
+ */
+#define PCICONFAREG KSEG1ADDR(0x0f000c18)
+#define PCICONFDREG KSEG1ADDR(0x0f000c14)
+
+static inline void pci_config_write_byte(u8 reg, u8 val)
+{
+ u32 data;
+ int shift;
+
+ writel((1UL << 0x1e) | (reg & 0xfc), PCICONFAREG);
+ data = readl(PCICONFDREG);
+
+ shift = (reg & 3) << 3;
+ data &= ~(0xff << shift);
+ data |= (((u32) val) << shift);
+
+ writel(data, PCICONFDREG);
+}
+
+static inline u16 pci_config_read_halfword(u8 reg)
+{
+ u32 data;
+
+ writel(((1UL << 30) | (reg & 0xfc)), PCICONFAREG);
+ data = readl(PCICONFDREG);
+
+ return (u16) (data >> ((reg & 2) << 3));
+}
+
+static inline u32 pci_config_read_word(u8 reg)
+{
+ writel(((1UL << 30) | (reg & 0xfc)), PCICONFAREG);
+
+ return readl(PCICONFDREG);
+}
+
+static inline void pci_config_write_word(u8 reg, u32 val)
+{
+ writel((1UL << 0x1e) | (reg & 0xfc), PCICONFAREG);
+ writel(val, PCICONFDREG);
+}
+
+/*
+ * Pre-fixup for AC97U/CARDU/USBU of VRC4173
+ */
+static int __init vrc4173_prefixup(void)
+{
+ u32 cmdsts, base;
+ u16 cmu_mask;
+
+
+ if ((pci_config_read_halfword(PCI_VENDOR_ID) == PCI_VENDOR_ID_NEC) &&
+ (pci_config_read_halfword(PCI_DEVICE_ID) == PCI_DEVICE_ID_NEC_VRC4173)) {
+ /*
+ * Initialized NEC VRC4173 Bus Control Unit
+ */
+ cmdsts = pci_config_read_word(PCI_COMMAND);
+ pci_config_write_word(PCI_COMMAND,
+ cmdsts | PCI_COMMAND_IO |
+ PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
+
+ pci_config_write_byte(PCI_LATENCY_TIMER, 0x80);
+
+ pci_config_write_word(PCI_BASE_ADDRESS_0, VR41XX_PCI_IO_START);
+ base = pci_config_read_word(PCI_BASE_ADDRESS_0);
+ base &= PCI_BASE_ADDRESS_IO_MASK;
+ pci_config_write_byte(0x40, 0x01);
+
+ /* CARDU1 IDSEL = AD12, CARDU2 IDSEL = AD13 */
+ pci_config_write_byte(0x41, 0);
+
+ cmu_mask = 0x1000;
+ outw(cmu_mask, base + 0x040);
+ cmu_mask |= 0x0800;
+ outw(cmu_mask, base + 0x040);
+
+ outw(0x000f, base + 0x042); /* Soft reset of CMU */
+ cmu_mask |= 0x05e0;
+ outw(cmu_mask, base + 0x040);
+ cmu_mask = inw(base + 0x040); /* dummy read */
+ outw(0x0000, base + 0x042);
+
+ return 0;
+ }
+
+ return -ENODEV;
+}
+
+early_initcall(vrc4173_prefixup);
+#endif
diff -urN -X dontdiff linux-orig/arch/mips/pci/ops-vrc4173.c linux/arch/mips/pci/ops-vrc4173.c
--- linux-orig/arch/mips/pci/ops-vrc4173.c Fri Jun 13 23:19:56 2003
+++ linux/arch/mips/pci/ops-vrc4173.c Thu Jan 1 09:00:00 1970
@@ -1,120 +0,0 @@
-/*
- * FILE NAME
- * arch/mips/vr41xx/nec-eagle/vrc4173.c
- *
- * BRIEF MODULE DESCRIPTION
- * Pre-setup for NEC VRC4173.
- *
- * Author: Yoichi Yuasa
- * yyuasa@xxxxxxxxxx or source@xxxxxxxxxx
- *
- * Copyright 2001,2002 MontaVista Software Inc.
- *
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/module.h>
-
-#include <asm/io.h>
-#include <asm/vr41xx/eagle.h>
-#include <asm/vr41xx/vrc4173.h>
-
-#define PCI_CONFIG_ADDR KSEG1ADDR(0x0f000c18)
-#define PCI_CONFIG_DATA KSEG1ADDR(0x0f000c14)
-
-static inline void config_writeb(u8 reg, u8 val)
-{
- u32 data;
- int shift;
-
- writel((1UL << 0x1e) | (reg & 0xfc), PCI_CONFIG_ADDR);
- data = readl(PCI_CONFIG_DATA);
-
- shift = (reg & 3) << 3;
- data &= ~(0xff << shift);
- data |= (((u32) val) << shift);
-
- writel(data, PCI_CONFIG_DATA);
-}
-
-static inline u16 config_readw(u8 reg)
-{
- u32 data;
-
- writel(((1UL << 30) | (reg & 0xfc)), PCI_CONFIG_ADDR);
- data = readl(PCI_CONFIG_DATA);
-
- return (u16) (data >> ((reg & 2) << 3));
-}
-
-static inline u32 config_readl(u8 reg)
-{
- writel(((1UL << 30) | (reg & 0xfc)), PCI_CONFIG_ADDR);
-
- return readl(PCI_CONFIG_DATA);
-}
-
-static inline void config_writel(u8 reg, u32 val)
-{
- writel((1UL << 0x1e) | (reg & 0xfc), PCI_CONFIG_ADDR);
- writel(val, PCI_CONFIG_DATA);
-}
-
-void __init vrc4173_preinit(void)
-{
- u32 cmdsts, base;
- u16 cmu_mask;
-
-
- if ((config_readw(PCI_VENDOR_ID) == PCI_VENDOR_ID_NEC) &&
- (config_readw(PCI_DEVICE_ID) == PCI_DEVICE_ID_NEC_VRC4173)) {
- /*
- * Initialized NEC VRC4173 Bus Control Unit
- */
- cmdsts = config_readl(PCI_COMMAND);
- config_writel(PCI_COMMAND,
- cmdsts |
- PCI_COMMAND_IO |
- PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
-
- config_writeb(PCI_LATENCY_TIMER, 0x80);
-
- config_writel(PCI_BASE_ADDRESS_0, VR41XX_PCI_IO_START);
- base = config_readl(PCI_BASE_ADDRESS_0);
- base &= PCI_BASE_ADDRESS_IO_MASK;
- config_writeb(0x40, 0x01);
-
- /* CARDU1 IDSEL = AD12, CARDU2 IDSEL = AD13 */
- config_writeb(0x41, 0);
-
- cmu_mask = 0x1000;
- outw(cmu_mask, base + 0x040);
- cmu_mask |= 0x0800;
- outw(cmu_mask, base + 0x040);
-
- outw(0x000f, base + 0x042); /* Soft reset of CMU */
- cmu_mask |= 0x05e0;
- outw(cmu_mask, base + 0x040);
- cmu_mask = inw(base + 0x040); /* dummy read */
- outw(0x0000, base + 0x042);
- }
-}
diff -urN -X dontdiff linux-orig/arch/mips/vr41xx/nec-eagle/setup.c linux/arch/mips/vr41xx/nec-eagle/setup.c
--- linux-orig/arch/mips/vr41xx/nec-eagle/setup.c Thu Feb 26 07:05:00 2004
+++ linux/arch/mips/vr41xx/nec-eagle/setup.c Thu Apr 22 00:34:12 2004
@@ -86,8 +86,6 @@
#ifdef CONFIG_PCI
vr41xx_pciu_init(&pci_address_map);
-
- vrc4173_preinit();
#endif
return 0;
