diff options
Diffstat (limited to 'arch/arm/common')
-rw-r--r-- | arch/arm/common/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/common/edma.c | 38 | ||||
-rw-r--r-- | arch/arm/common/mcpm_entry.c | 6 | ||||
-rw-r--r-- | arch/arm/common/sharpsl_param.c | 5 | ||||
-rw-r--r-- | arch/arm/common/via82c505.c | 83 |
5 files changed, 39 insertions, 94 deletions
diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile index 8c60f47..eaa9cf4 100644 --- a/arch/arm/common/Makefile +++ b/arch/arm/common/Makefile @@ -6,7 +6,6 @@ obj-y += firmware.o obj-$(CONFIG_ICST) += icst.o obj-$(CONFIG_SA1111) += sa1111.o -obj-$(CONFIG_PCI_HOST_VIA82C505) += via82c505.o obj-$(CONFIG_DMABOUNCE) += dmabounce.o obj-$(CONFIG_SHARP_LOCOMO) += locomo.o obj-$(CONFIG_SHARP_PARAM) += sharpsl_param.o diff --git a/arch/arm/common/edma.c b/arch/arm/common/edma.c index 117f955..8e1a024 100644 --- a/arch/arm/common/edma.c +++ b/arch/arm/common/edma.c @@ -269,6 +269,11 @@ static const struct edmacc_param dummy_paramset = { .ccnt = 1, }; +static const struct of_device_id edma_of_ids[] = { + { .compatible = "ti,edma3", }, + {} +}; + /*****************************************************************************/ static void map_dmach_queue(unsigned ctlr, unsigned ch_no, @@ -560,14 +565,38 @@ static int reserve_contiguous_slots(int ctlr, unsigned int id, static int prepare_unused_channel_list(struct device *dev, void *data) { struct platform_device *pdev = to_platform_device(dev); - int i, ctlr; + int i, count, ctlr; + struct of_phandle_args dma_spec; + if (dev->of_node) { + count = of_property_count_strings(dev->of_node, "dma-names"); + if (count < 0) + return 0; + for (i = 0; i < count; i++) { + if (of_parse_phandle_with_args(dev->of_node, "dmas", + "#dma-cells", i, + &dma_spec)) + continue; + + if (!of_match_node(edma_of_ids, dma_spec.np)) { + of_node_put(dma_spec.np); + continue; + } + + clear_bit(EDMA_CHAN_SLOT(dma_spec.args[0]), + edma_cc[0]->edma_unused); + of_node_put(dma_spec.np); + } + return 0; + } + + /* For non-OF case */ for (i = 0; i < pdev->num_resources; i++) { if ((pdev->resource[i].flags & IORESOURCE_DMA) && (int)pdev->resource[i].start >= 0) { ctlr = EDMA_CTLR(pdev->resource[i].start); clear_bit(EDMA_CHAN_SLOT(pdev->resource[i].start), - edma_cc[ctlr]->edma_unused); + edma_cc[ctlr]->edma_unused); } } @@ -1762,11 +1791,6 @@ static int edma_probe(struct platform_device *pdev) return 0; } -static const struct of_device_id edma_of_ids[] = { - { .compatible = "ti,edma3", }, - {} -}; - static struct platform_driver edma_driver = { .driver = { .name = "edma", diff --git a/arch/arm/common/mcpm_entry.c b/arch/arm/common/mcpm_entry.c index 370236d..9902509 100644 --- a/arch/arm/common/mcpm_entry.c +++ b/arch/arm/common/mcpm_entry.c @@ -51,7 +51,8 @@ void mcpm_cpu_power_down(void) { phys_reset_t phys_reset; - BUG_ON(!platform_ops); + if (WARN_ON_ONCE(!platform_ops || !platform_ops->power_down)) + return; BUG_ON(!irqs_disabled()); /* @@ -93,7 +94,8 @@ void mcpm_cpu_suspend(u64 expected_residency) { phys_reset_t phys_reset; - BUG_ON(!platform_ops); + if (WARN_ON_ONCE(!platform_ops || !platform_ops->suspend)) + return; BUG_ON(!irqs_disabled()); /* Very similar to mcpm_cpu_power_down() */ diff --git a/arch/arm/common/sharpsl_param.c b/arch/arm/common/sharpsl_param.c index d56c932..025f6ce 100644 --- a/arch/arm/common/sharpsl_param.c +++ b/arch/arm/common/sharpsl_param.c @@ -15,6 +15,7 @@ #include <linux/module.h> #include <linux/string.h> #include <asm/mach/sharpsl_param.h> +#include <asm/memory.h> /* * Certain hardware parameters determined at the time of device manufacture, @@ -25,8 +26,10 @@ */ #ifdef CONFIG_ARCH_SA1100 #define PARAM_BASE 0xe8ffc000 +#define param_start(x) (void *)(x) #else #define PARAM_BASE 0xa0000a00 +#define param_start(x) __va(x) #endif #define MAGIC_CHG(a,b,c,d) ( ( d << 24 ) | ( c << 16 ) | ( b << 8 ) | a ) @@ -41,7 +44,7 @@ EXPORT_SYMBOL(sharpsl_param); void sharpsl_save_param(void) { - memcpy(&sharpsl_param, (void *)PARAM_BASE, sizeof(struct sharpsl_param_info)); + memcpy(&sharpsl_param, param_start(PARAM_BASE), sizeof(struct sharpsl_param_info)); if (sharpsl_param.comadj_keyword != COMADJ_MAGIC) sharpsl_param.comadj=-1; diff --git a/arch/arm/common/via82c505.c b/arch/arm/common/via82c505.c deleted file mode 100644 index 6cb362e5..0000000 --- a/arch/arm/common/via82c505.c +++ /dev/null @@ -1,83 +0,0 @@ -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/interrupt.h> -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/io.h> - - -#include <asm/mach/pci.h> - -#define MAX_SLOTS 7 - -#define CONFIG_CMD(bus, devfn, where) (0x80000000 | (bus->number << 16) | (devfn << 8) | (where & ~3)) - -static int -via82c505_read_config(struct pci_bus *bus, unsigned int devfn, int where, - int size, u32 *value) -{ - outl(CONFIG_CMD(bus,devfn,where),0xCF8); - switch (size) { - case 1: - *value=inb(0xCFC + (where&3)); - break; - case 2: - *value=inw(0xCFC + (where&2)); - break; - case 4: - *value=inl(0xCFC); - break; - } - return PCIBIOS_SUCCESSFUL; -} - -static int -via82c505_write_config(struct pci_bus *bus, unsigned int devfn, int where, - int size, u32 value) -{ - outl(CONFIG_CMD(bus,devfn,where),0xCF8); - switch (size) { - case 1: - outb(value, 0xCFC + (where&3)); - break; - case 2: - outw(value, 0xCFC + (where&2)); - break; - case 4: - outl(value, 0xCFC); - break; - } - return PCIBIOS_SUCCESSFUL; -} - -struct pci_ops via82c505_ops = { - .read = via82c505_read_config, - .write = via82c505_write_config, -}; - -void __init via82c505_preinit(void) -{ - printk(KERN_DEBUG "PCI: VIA 82c505\n"); - if (!request_region(0xA8,2,"via config")) { - printk(KERN_WARNING"VIA 82c505: Unable to request region 0xA8\n"); - return; - } - if (!request_region(0xCF8,8,"pci config")) { - printk(KERN_WARNING"VIA 82c505: Unable to request region 0xCF8\n"); - release_region(0xA8, 2); - return; - } - - /* Enable compatible Mode */ - outb(0x96,0xA8); - outb(0x18,0xA9); - outb(0x93,0xA8); - outb(0xd0,0xA9); - -} - -int __init via82c505_setup(int nr, struct pci_sys_data *sys) -{ - return (nr == 0); -} |