diff options
Diffstat (limited to 'arch/sh/drivers/pci')
| -rw-r--r-- | arch/sh/drivers/pci/Makefile | 1 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/fixups-sh7785lcr.c | 46 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/ops-dreamcast.c | 2 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/ops-sh7785lcr.c | 66 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/pci-auto.c | 2 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/pci.c | 2 |
6 files changed, 117 insertions, 2 deletions
diff --git a/arch/sh/drivers/pci/Makefile b/arch/sh/drivers/pci/Makefile index 0718805774e8..847e90894d1b 100644 --- a/arch/sh/drivers/pci/Makefile +++ b/arch/sh/drivers/pci/Makefile @@ -23,3 +23,4 @@ obj-$(CONFIG_SH_LANDISK) += ops-landisk.o obj-$(CONFIG_SH_LBOX_RE2) += ops-lboxre2.o fixups-lboxre2.o obj-$(CONFIG_SH_7780_SOLUTION_ENGINE) += ops-se7780.o fixups-se7780.o obj-$(CONFIG_SH_CAYMAN) += ops-cayman.o +obj-$(CONFIG_SH_SH7785LCR) += ops-sh7785lcr.o fixups-sh7785lcr.o diff --git a/arch/sh/drivers/pci/fixups-sh7785lcr.c b/arch/sh/drivers/pci/fixups-sh7785lcr.c new file mode 100644 index 000000000000..4949e601387a --- /dev/null +++ b/arch/sh/drivers/pci/fixups-sh7785lcr.c @@ -0,0 +1,46 @@ +/* + * arch/sh/drivers/pci/fixups-sh7785lcr.c + * + * R0P7785LC0011RL PCI fixups + * Copyright (C) 2008 Yoshihiro Shimoda + * + * Based on arch/sh/drivers/pci/fixups-r7780rp.c + * Copyright (C) 2003 Lineo uSolutions, Inc. + * Copyright (C) 2004 - 2006 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. + */ +#include <linux/pci.h> +#include "pci-sh4.h" + +int pci_fixup_pcic(void) +{ + pci_write_reg(0x000043ff, SH4_PCIINTM); + pci_write_reg(0x0000380f, SH4_PCIAINTM); + + pci_write_reg(0xfbb00047, SH7780_PCICMD); + pci_write_reg(0x00000000, SH7780_PCIIBAR); + + pci_write_reg(0x00011912, SH7780_PCISVID); + pci_write_reg(0x08000000, SH7780_PCICSCR0); + pci_write_reg(0x0000001b, SH7780_PCICSAR0); + pci_write_reg(0xfd000000, SH7780_PCICSCR1); + pci_write_reg(0x0000000f, SH7780_PCICSAR1); + + pci_write_reg(0xfd000000, SH7780_PCIMBR0); + pci_write_reg(0x00fc0000, SH7780_PCIMBMR0); + +#ifdef CONFIG_32BIT + pci_write_reg(0xc0000000, SH7780_PCIMBR2); + pci_write_reg(0x20000000 - SH7780_PCI_IO_SIZE, SH7780_PCIMBMR2); +#endif + + /* Set IOBR for windows containing area specified in pci.h */ + pci_write_reg((PCIBIOS_MIN_IO & ~(SH7780_PCI_IO_SIZE - 1)), + SH7780_PCIIOBR); + pci_write_reg(((SH7780_PCI_IO_SIZE - 1) & (7 << 18)), SH7780_PCIIOBMR); + + return 0; +} diff --git a/arch/sh/drivers/pci/ops-dreamcast.c b/arch/sh/drivers/pci/ops-dreamcast.c index e1284fc69361..f54c291db37b 100644 --- a/arch/sh/drivers/pci/ops-dreamcast.c +++ b/arch/sh/drivers/pci/ops-dreamcast.c @@ -22,6 +22,7 @@ #include <linux/init.h> #include <linux/irq.h> #include <linux/pci.h> +#include <linux/module.h> #include <asm/io.h> #include <asm/irq.h> @@ -48,6 +49,7 @@ struct pci_channel board_pci_channels[] = { &gapspci_mem_resource, 0, 1 }, { 0, } }; +EXPORT_SYMBOL(board_pci_channels); /* * The !gapspci_config_access case really shouldn't happen, ever, unless diff --git a/arch/sh/drivers/pci/ops-sh7785lcr.c b/arch/sh/drivers/pci/ops-sh7785lcr.c new file mode 100644 index 000000000000..b3bd68702059 --- /dev/null +++ b/arch/sh/drivers/pci/ops-sh7785lcr.c @@ -0,0 +1,66 @@ +/* + * Author: Ian DaSilva (idasilva@mvista.com) + * + * Highly leveraged from pci-bigsur.c, written by Dustin McIntire. + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * PCI initialization for the Renesas R0P7785LC0011RL board + * Based on arch/sh/drivers/pci/ops-r7780rp.c + * + */ +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/pci.h> +#include "pci-sh4.h" + +static char irq_tab[] __initdata = { + 65, 66, 67, 68, +}; + +int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin) +{ + return irq_tab[slot]; +} + +static struct resource sh7785_io_resource = { + .name = "SH7785_IO", + .start = SH7780_PCI_IO_BASE, + .end = SH7780_PCI_IO_BASE + SH7780_PCI_IO_SIZE - 1, + .flags = IORESOURCE_IO +}; + +static struct resource sh7785_mem_resource = { + .name = "SH7785_mem", + .start = SH7780_PCI_MEMORY_BASE, + .end = SH7780_PCI_MEMORY_BASE + SH7780_PCI_MEM_SIZE - 1, + .flags = IORESOURCE_MEM +}; + +struct pci_channel board_pci_channels[] = { + { &sh4_pci_ops, &sh7785_io_resource, &sh7785_mem_resource, 0, 0xff }, + { NULL, NULL, NULL, 0, 0 }, +}; +EXPORT_SYMBOL(board_pci_channels); + +static struct sh4_pci_address_map sh7785_pci_map = { + .window0 = { + .base = SH7780_CS2_BASE_ADDR, + .size = 0x04000000, + }, + + .window1 = { + .base = SH7780_CS3_BASE_ADDR, + .size = 0x04000000, + }, + + .flags = SH4_PCIC_NO_RESET, +}; + +int __init pcibios_init_platform(void) +{ + return sh7780_pcic_init(&sh7785_pci_map); +} diff --git a/arch/sh/drivers/pci/pci-auto.c b/arch/sh/drivers/pci/pci-auto.c index ea404704ace8..cf48b12ee58c 100644 --- a/arch/sh/drivers/pci/pci-auto.c +++ b/arch/sh/drivers/pci/pci-auto.c @@ -78,7 +78,7 @@ static struct pci_dev *fake_pci_dev(struct pci_channel *hose, } #define EARLY_PCI_OP(rw, size, type) \ -int early_##rw##_config_##size(struct pci_channel *hose, \ +static int early_##rw##_config_##size(struct pci_channel *hose, \ int top_bus, int bus, int devfn, int offset, type value) \ { \ return pci_##rw##_config_##size( \ diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c index f57095a2617c..d3839e609aac 100644 --- a/arch/sh/drivers/pci/pci.c +++ b/arch/sh/drivers/pci/pci.c @@ -135,7 +135,7 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) * If we set up a device for bus mastering, we need to check and set * the latency timer as it may not be properly set. */ -unsigned int pcibios_max_latency = 255; +static unsigned int pcibios_max_latency = 255; void pcibios_set_master(struct pci_dev *dev) { |