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-rw-r--r--arch/sh/drivers/pci/fixups-r7780rp.c20
-rw-r--r--arch/sh/drivers/pci/fixups-sdk7780.c32
-rw-r--r--arch/sh/drivers/pci/pci-sh7780.c50
-rw-r--r--arch/sh/drivers/pci/pci-sh7780.h5
4 files changed, 37 insertions, 70 deletions
diff --git a/arch/sh/drivers/pci/fixups-r7780rp.c b/arch/sh/drivers/pci/fixups-r7780rp.c
index 864e92f6970..15ca65cb667 100644
--- a/arch/sh/drivers/pci/fixups-r7780rp.c
+++ b/arch/sh/drivers/pci/fixups-r7780rp.c
@@ -22,33 +22,15 @@ int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
{
return irq_tab[slot];
}
+
int pci_fixup_pcic(struct pci_channel *chan)
{
pci_write_reg(chan, 0x000043ff, SH4_PCIINTM);
- pci_write_reg(chan, 0x0000380f, SH4_PCIAINTM);
-
- pci_write_reg(chan, 0xfbb00047, SH7780_PCICMD);
pci_write_reg(chan, 0x00000000, SH7780_PCIIBAR);
-
- pci_write_reg(chan, 0x00011912, SH7780_PCISVID);
pci_write_reg(chan, 0x08000000, SH7780_PCICSCR0);
pci_write_reg(chan, 0x0000001b, SH7780_PCICSAR0);
pci_write_reg(chan, 0xfd000000, SH7780_PCICSCR1);
pci_write_reg(chan, 0x0000000f, SH7780_PCICSAR1);
- pci_write_reg(chan, 0xfd000000, SH7780_PCIMBR0);
- pci_write_reg(chan, 0x00fc0000, SH7780_PCIMBMR0);
-
-#ifdef CONFIG_32BIT
- pci_write_reg(chan, 0xc0000000, SH7780_PCIMBR2);
- pci_write_reg(chan, 0x20000000 - SH7780_PCI_IO_SIZE, SH7780_PCIMBMR2);
-#endif
-
- /* Set IOBR for windows containing area specified in pci.h */
- pci_write_reg(chan, chan->io_resource->start & ~(SH7780_PCI_IO_SIZE-1),
- SH7780_PCIIOBR);
- pci_write_reg(chan, ((SH7780_PCI_IO_SIZE-1) & (7<<18)),
- SH7780_PCIIOBMR);
-
return 0;
}
diff --git a/arch/sh/drivers/pci/fixups-sdk7780.c b/arch/sh/drivers/pci/fixups-sdk7780.c
index da60e99894b..250b0edd736 100644
--- a/arch/sh/drivers/pci/fixups-sdk7780.c
+++ b/arch/sh/drivers/pci/fixups-sdk7780.c
@@ -35,40 +35,18 @@ int pci_fixup_pcic(struct pci_channel *chan)
{
/* Enable all interrupts, so we know what to fix */
pci_write_reg(chan, 0x0000C3FF, SH7780_PCIIMR);
- pci_write_reg(chan, 0x0000380F, SH7780_PCIAINTM);
/* Set up standard PCI config registers */
- pci_write_reg(chan, 0xFB00, SH7780_PCISTATUS);
- pci_write_reg(chan, 0x0047, SH7780_PCICMD);
- pci_write_reg(chan, 0x00, SH7780_PCIPIF);
- pci_write_reg(chan, 0x1912, SH7780_PCISVID);
- pci_write_reg(chan, 0x0001, SH7780_PCISID);
-
pci_write_reg(chan, 0x08000000, SH7780_PCIMBAR0); /* PCI */
- pci_write_reg(chan, 0x08000000, SH7780_PCILAR0); /* SHwy */
- pci_write_reg(chan, 0x07F00001, SH7780_PCILSR); /* size 128M w/ MBAR */
+ pci_write_reg(chan, 0x08000000, SH4_PCILAR0); /* SHwy */
+ pci_write_reg(chan, 0x07F00001, SH4_PCILSR0); /* size 128M w/ MBAR */
pci_write_reg(chan, 0x00000000, SH7780_PCIMBAR1);
- pci_write_reg(chan, 0x00000000, SH7780_PCILAR1);
- pci_write_reg(chan, 0x00000000, SH7780_PCILSR1);
+ pci_write_reg(chan, 0x00000000, SH4_PCILAR1);
+ pci_write_reg(chan, 0x00000000, SH4_PCILSR1);
pci_write_reg(chan, 0xAB000801, SH7780_PCIIBAR);
-
- /*
- * Set the MBR so PCI address is one-to-one with window,
- * meaning all calls go straight through... use ifdef to
- * catch erroneous assumption.
- */
- pci_write_reg(chan, 0xFD000000 , SH7780_PCIMBR0);
- pci_write_reg(chan, 0x00FC0000 , SH7780_PCIMBMR0); /* 16M */
-
- /* Set IOBR for window containing area specified in pci.h */
- pci_write_reg(chan, chan->io_resource->start & ~(SH7780_PCI_IO_SIZE-1),
- SH7780_PCIIOBR);
- pci_write_reg(chan, (SH7780_PCI_IO_SIZE-1) & (7 << 18),
- SH7780_PCIIOBMR);
-
- pci_write_reg(chan, 0xA5000C01, SH7780_PCICR);
+ pci_write_reg(chan, 0xA5000C01, SH4_PCICR);
return 0;
}
diff --git a/arch/sh/drivers/pci/pci-sh7780.c b/arch/sh/drivers/pci/pci-sh7780.c
index 07c5529a273..f02d9dfcf25 100644
--- a/arch/sh/drivers/pci/pci-sh7780.c
+++ b/arch/sh/drivers/pci/pci-sh7780.c
@@ -1,19 +1,12 @@
/*
- * Low-Level PCI Support for the SH7780
+ * Low-Level PCI Support for the SH7780
*
- * Dustin McIntire (dustin@sensoria.com)
- * Derived from arch/i386/kernel/pci-*.c which bore the message:
- * (c) 1999--2000 Martin Mares <mj@ucw.cz>
- *
- * Ported to the new API by Paul Mundt <lethal@linux-sh.org>
- * With cleanup by Paul van Gool <pvangool@mimotech.com>
- *
- * May be copied or modified under the terms of the GNU General Public
- * License. See linux/COPYING for more information.
+ * Copyright (C) 2005 - 2009 Paul Mundt
*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
*/
-#undef DEBUG
-
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/init.h>
@@ -117,13 +110,8 @@ int __init pcibios_init_platform(void)
pci_cache_line_size = pci_read_reg(chan, SH7780_PCICLS) / 4;
- /* set the command/status bits to:
- * Wait Cycle Control + Parity Enable + Bus Master +
- * Mem space enable
- */
- pci_write_reg(chan, 0x00000046, SH7780_PCICMD);
-
- /* Set IO and Mem windows to local address
+ /*
+ * Set IO and Mem windows to local address
* Make PCI and local address the same for easy 1 to 1 mapping
*/
pci_write_reg(chan, sh7780_pci_map.window0.size - 0xfffff, SH4_PCILSR0);
@@ -131,9 +119,33 @@ int __init pcibios_init_platform(void)
pci_write_reg(chan, sh7780_pci_map.window0.base, SH4_PCILAR0);
pci_write_reg(chan, sh7780_pci_map.window0.base, SH7780_PCIMBAR0);
+ pci_write_reg(chan, 0x0000380f, SH4_PCIAINTM);
+
+ /* Set up standard PCI config registers */
+ __raw_writew(0xFB00, chan->reg_base + SH7780_PCISTATUS);
+ __raw_writew(0x0047, chan->reg_base + SH7780_PCICMD);
+ __raw_writew(0x1912, chan->reg_base + SH7780_PCISVID);
+ __raw_writew(0x0001, chan->reg_base + SH7780_PCISID);
+
+ __raw_writeb(0x00, chan->reg_base + SH7780_PCIPIF);
+
/* Apply any last-minute PCIC fixups */
pci_fixup_pcic(chan);
+ pci_write_reg(chan, 0xfd000000, SH7780_PCIMBR0);
+ pci_write_reg(chan, 0x00fc0000, SH7780_PCIMBMR0);
+
+#ifdef CONFIG_32BIT
+ pci_write_reg(chan, 0xc0000000, SH7780_PCIMBR2);
+ pci_write_reg(chan, 0x20000000 - SH7780_PCI_IO_SIZE, SH7780_PCIMBMR2);
+#endif
+
+ /* Set IOBR for windows containing area specified in pci.h */
+ pci_write_reg(chan, chan->io_resource->start & ~(SH7780_PCI_IO_SIZE-1),
+ SH7780_PCIIOBR);
+ pci_write_reg(chan, ((SH7780_PCI_IO_SIZE-1) & (7<<18)),
+ SH7780_PCIIOBMR);
+
/* SH7780 init done, set central function init complete */
/* use round robin mode to stop a device starving/overruning */
word = SH4_PCICR_PREFIX | SH4_PCICR_CFIN | SH4_PCICR_FTO;
diff --git a/arch/sh/drivers/pci/pci-sh7780.h b/arch/sh/drivers/pci/pci-sh7780.h
index 4b65d4b26f7..4a52478c97c 100644
--- a/arch/sh/drivers/pci/pci-sh7780.h
+++ b/arch/sh/drivers/pci/pci-sh7780.h
@@ -65,11 +65,6 @@
#define SH7780_PCIPMCSR_BSE 0x046
#define SH7780_PCICDD 0x047
-#define SH7780_PCICR 0x100 /* PCI Control Register */
-#define SH7780_PCILSR 0x104 /* PCI Local Space Register0 */
-#define SH7780_PCILSR1 0x108 /* PCI Local Space Register1 */
-#define SH7780_PCILAR0 0x10C /* PCI Local Address Register1 */
-#define SH7780_PCILAR1 0x110 /* PCI Local Address Register1 */
#define SH7780_PCIIR 0x114 /* PCI Interrupt Register */
#define SH7780_PCIIMR 0x118 /* PCI Interrupt Mask Register */
#define SH7780_PCIAIR 0x11C /* Error Address Register */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 00:26:11 +0000