diff options
| -rw-r--r-- | arch/powerpc/configs/pasemi_defconfig | 4 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pasemi/Kconfig | 9 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pasemi/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pasemi/electra_ide.c | 96 | ||||
| -rw-r--r-- | drivers/ata/pata_of_platform.c | 20 |
5 files changed, 17 insertions, 113 deletions
diff --git a/arch/powerpc/configs/pasemi_defconfig b/arch/powerpc/configs/pasemi_defconfig index 9d21b083ae1..797f0dfebde 100644 --- a/arch/powerpc/configs/pasemi_defconfig +++ b/arch/powerpc/configs/pasemi_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.24-rc6 -# Fri Dec 28 11:01:53 2007 +# Tue Jan 15 10:26:10 2008 # CONFIG_PPC64=y @@ -152,7 +152,6 @@ CONFIG_PPC_PASEMI=y CONFIG_PPC_PASEMI_IOMMU=y # CONFIG_PPC_PASEMI_IOMMU_DMA_FORCE is not set CONFIG_PPC_PASEMI_MDIO=y -CONFIG_ELECTRA_IDE=y # CONFIG_PPC_CELLEB is not set # CONFIG_PPC_PS3 is not set # CONFIG_PPC_CELL is not set @@ -663,6 +662,7 @@ CONFIG_PATA_PCMCIA=y # CONFIG_PATA_VIA is not set # CONFIG_PATA_WINBOND is not set CONFIG_PATA_PLATFORM=y +CONFIG_PATA_OF_PLATFORM=y CONFIG_MD=y CONFIG_BLK_DEV_MD=y CONFIG_MD_LINEAR=y diff --git a/arch/powerpc/platforms/pasemi/Kconfig b/arch/powerpc/platforms/pasemi/Kconfig index b3458a181a1..348e0619e3e 100644 --- a/arch/powerpc/platforms/pasemi/Kconfig +++ b/arch/powerpc/platforms/pasemi/Kconfig @@ -37,13 +37,4 @@ config PPC_PASEMI_MDIO help Driver for MDIO via GPIO on PWRficient platforms -config ELECTRA_IDE - tristate "Electra IDE driver" - default y - depends on PPC_PASEMI && ATA - select PATA_PLATFORM - help - This includes driver support for the Electra on-board IDE - interface. - endmenu diff --git a/arch/powerpc/platforms/pasemi/Makefile b/arch/powerpc/platforms/pasemi/Makefile index f47fcac7e58..2cd2a4f26a4 100644 --- a/arch/powerpc/platforms/pasemi/Makefile +++ b/arch/powerpc/platforms/pasemi/Makefile @@ -1,4 +1,3 @@ obj-y += setup.o pci.o time.o idle.o powersave.o iommu.o obj-$(CONFIG_PPC_PASEMI_MDIO) += gpio_mdio.o -obj-$(CONFIG_ELECTRA_IDE) += electra_ide.o obj-$(CONFIG_PPC_PASEMI_CPUFREQ) += cpufreq.o diff --git a/arch/powerpc/platforms/pasemi/electra_ide.c b/arch/powerpc/platforms/pasemi/electra_ide.c deleted file mode 100644 index 12fb0c94926..00000000000 --- a/arch/powerpc/platforms/pasemi/electra_ide.c +++ /dev/null @@ -1,96 +0,0 @@ -/* - * Copyright (C) 2007 PA Semi, Inc - * - * Maintained by: Olof Johansson <olof@lixom.net> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 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/platform_device.h> - -#include <asm/prom.h> -#include <asm/system.h> - -/* The electra IDE interface is incredibly simple: Just a device on the localbus - * with interrupts hooked up to one of the GPIOs. The device tree contains the - * address window and interrupt mappings already, and the pata_platform driver handles - * the rest. We just need to hook the two up. - */ - -#define MAX_IFS 4 /* really, we have only one */ - -static struct platform_device *pdevs[MAX_IFS]; - -static int __devinit electra_ide_init(void) -{ - struct device_node *np; - struct resource r[3]; - int ret = 0; - int i; - - np = of_find_compatible_node(NULL, "ide", "electra-ide"); - i = 0; - - while (np && i < MAX_IFS) { - memset(r, 0, sizeof(r)); - - /* pata_platform wants two address ranges: one for the base registers, - * another for the control (altstatus). It's located at offset 0x3f6 in - * the window, but the device tree only has one large register window - * that covers both ranges. So we need to split it up by hand here: - */ - - ret = of_address_to_resource(np, 0, &r[0]); - if (ret) - goto out; - ret = of_address_to_resource(np, 0, &r[1]); - if (ret) - goto out; - - r[1].start += 0x3f6; - r[0].end = r[1].start-1; - - r[2].start = irq_of_parse_and_map(np, 0); - r[2].end = irq_of_parse_and_map(np, 0); - r[2].flags = IORESOURCE_IRQ; - - pr_debug("registering platform device at 0x%lx/0x%lx, irq is %ld\n", - r[0].start, r[1].start, r[2].start); - pdevs[i] = platform_device_register_simple("pata_platform", i, r, 3); - if (IS_ERR(pdevs[i])) { - ret = PTR_ERR(pdevs[i]); - pdevs[i] = NULL; - goto out; - } - np = of_find_compatible_node(np, "ide", "electra-ide"); - } -out: - return ret; -} -module_init(electra_ide_init); - -static void __devexit electra_ide_exit(void) -{ - int i; - - for (i = 0; i < MAX_IFS; i++) - if (pdevs[i]) - platform_device_unregister(pdevs[i]); -} -module_exit(electra_ide_exit); - - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR ("Olof Johansson <olof@lixom.net>"); -MODULE_DESCRIPTION("PA Semi Electra IDE driver"); diff --git a/drivers/ata/pata_of_platform.c b/drivers/ata/pata_of_platform.c index b7bc4e4a0a2..938f48a807e 100644 --- a/drivers/ata/pata_of_platform.c +++ b/drivers/ata/pata_of_platform.c @@ -34,11 +34,20 @@ static int __devinit pata_of_platform_probe(struct of_device *ofdev, return -EINVAL; } - ret = of_address_to_resource(dn, 1, &ctl_res); - if (ret) { - dev_err(&ofdev->dev, "can't get CTL address from " - "device tree\n"); - return -EINVAL; + if (of_device_is_compatible(dn, "electra-ide")) { + /* Altstatus is really at offset 0x3f6 from the primary window + * on electra-ide. Adjust ctl_res and io_res accordingly. + */ + ctl_res = io_res; + ctl_res.start = ctl_res.start+0x3f6; + io_res.end = ctl_res.start-1; + } else { + ret = of_address_to_resource(dn, 1, &ctl_res); + if (ret) { + dev_err(&ofdev->dev, "can't get CTL address from " + "device tree\n"); + return -EINVAL; + } } ret = of_irq_to_resource(dn, 0, &irq_res); @@ -76,6 +85,7 @@ static int __devexit pata_of_platform_remove(struct of_device *ofdev) static struct of_device_id pata_of_platform_match[] = { { .compatible = "ata-generic", }, + { .compatible = "electra-ide", }, {}, }; MODULE_DEVICE_TABLE(of, pata_of_platform_match); |