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Diffstat (limited to 'arch/mips/alchemy/common/platform.c')
-rw-r--r--arch/mips/alchemy/common/platform.c370
1 files changed, 89 insertions, 281 deletions
diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c
index f72c48d4804c..c8e5d72a5826 100644
--- a/arch/mips/alchemy/common/platform.c
+++ b/arch/mips/alchemy/common/platform.c
@@ -18,7 +18,7 @@
#include <linux/serial_8250.h>
#include <linux/slab.h>
-#include <asm/mach-au1x00/au1xxx.h>
+#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-au1x00/au1xxx_dbdma.h>
#include <asm/mach-au1x00/au1100_mmc.h>
#include <asm/mach-au1x00/au1xxx_eth.h>
@@ -111,270 +111,87 @@ static void __init alchemy_setup_uarts(int ctype)
printk(KERN_INFO "Alchemy: failed to register UARTs\n");
}
-/* OHCI (USB full speed host controller) */
-static struct resource au1xxx_usb_ohci_resources[] = {
- [0] = {
- .start = USB_OHCI_BASE,
- .end = USB_OHCI_BASE + USB_OHCI_LEN - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = FOR_PLATFORM_C_USB_HOST_INT,
- .end = FOR_PLATFORM_C_USB_HOST_INT,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-/* The dmamask must be set for OHCI to work */
-static u64 ohci_dmamask = DMA_BIT_MASK(32);
-
-static struct platform_device au1xxx_usb_ohci_device = {
- .name = "au1xxx-ohci",
- .id = 0,
- .dev = {
- .dma_mask = &ohci_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .num_resources = ARRAY_SIZE(au1xxx_usb_ohci_resources),
- .resource = au1xxx_usb_ohci_resources,
-};
-
-/*** AU1100 LCD controller ***/
-
-#ifdef CONFIG_FB_AU1100
-static struct resource au1100_lcd_resources[] = {
- [0] = {
- .start = LCD_PHYS_ADDR,
- .end = LCD_PHYS_ADDR + 0x800 - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AU1100_LCD_INT,
- .end = AU1100_LCD_INT,
- .flags = IORESOURCE_IRQ,
- }
-};
-
-static u64 au1100_lcd_dmamask = DMA_BIT_MASK(32);
-
-static struct platform_device au1100_lcd_device = {
- .name = "au1100-lcd",
- .id = 0,
- .dev = {
- .dma_mask = &au1100_lcd_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .num_resources = ARRAY_SIZE(au1100_lcd_resources),
- .resource = au1100_lcd_resources,
-};
-#endif
-
-#ifdef CONFIG_SOC_AU1200
-/* EHCI (USB high speed host controller) */
-static struct resource au1xxx_usb_ehci_resources[] = {
- [0] = {
- .start = USB_EHCI_BASE,
- .end = USB_EHCI_BASE + USB_EHCI_LEN - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AU1200_USB_INT,
- .end = AU1200_USB_INT,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static u64 ehci_dmamask = DMA_BIT_MASK(32);
-
-static struct platform_device au1xxx_usb_ehci_device = {
- .name = "au1xxx-ehci",
- .id = 0,
- .dev = {
- .dma_mask = &ehci_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .num_resources = ARRAY_SIZE(au1xxx_usb_ehci_resources),
- .resource = au1xxx_usb_ehci_resources,
-};
-
-/* Au1200 UDC (USB gadget controller) */
-static struct resource au1xxx_usb_gdt_resources[] = {
- [0] = {
- .start = USB_UDC_BASE,
- .end = USB_UDC_BASE + USB_UDC_LEN - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AU1200_USB_INT,
- .end = AU1200_USB_INT,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static u64 udc_dmamask = DMA_BIT_MASK(32);
-static struct platform_device au1xxx_usb_gdt_device = {
- .name = "au1xxx-udc",
- .id = 0,
- .dev = {
- .dma_mask = &udc_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .num_resources = ARRAY_SIZE(au1xxx_usb_gdt_resources),
- .resource = au1xxx_usb_gdt_resources,
-};
+/* The dmamask must be set for OHCI/EHCI to work */
+static u64 alchemy_ohci_dmamask = DMA_BIT_MASK(32);
+static u64 __maybe_unused alchemy_ehci_dmamask = DMA_BIT_MASK(32);
-/* Au1200 UOC (USB OTG controller) */
-static struct resource au1xxx_usb_otg_resources[] = {
- [0] = {
- .start = USB_UOC_BASE,
- .end = USB_UOC_BASE + USB_UOC_LEN - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AU1200_USB_INT,
- .end = AU1200_USB_INT,
- .flags = IORESOURCE_IRQ,
- },
+static unsigned long alchemy_ohci_data[][2] __initdata = {
+ [ALCHEMY_CPU_AU1000] = { AU1000_USB_OHCI_PHYS_ADDR, AU1000_USB_HOST_INT },
+ [ALCHEMY_CPU_AU1500] = { AU1000_USB_OHCI_PHYS_ADDR, AU1500_USB_HOST_INT },
+ [ALCHEMY_CPU_AU1100] = { AU1000_USB_OHCI_PHYS_ADDR, AU1100_USB_HOST_INT },
+ [ALCHEMY_CPU_AU1550] = { AU1550_USB_OHCI_PHYS_ADDR, AU1550_USB_HOST_INT },
+ [ALCHEMY_CPU_AU1200] = { AU1200_USB_OHCI_PHYS_ADDR, AU1200_USB_INT },
};
-static u64 uoc_dmamask = DMA_BIT_MASK(32);
-
-static struct platform_device au1xxx_usb_otg_device = {
- .name = "au1xxx-uoc",
- .id = 0,
- .dev = {
- .dma_mask = &uoc_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .num_resources = ARRAY_SIZE(au1xxx_usb_otg_resources),
- .resource = au1xxx_usb_otg_resources,
+static unsigned long alchemy_ehci_data[][2] __initdata = {
+ [ALCHEMY_CPU_AU1200] = { AU1200_USB_EHCI_PHYS_ADDR, AU1200_USB_INT },
};
-static struct resource au1200_lcd_resources[] = {
- [0] = {
- .start = LCD_PHYS_ADDR,
- .end = LCD_PHYS_ADDR + 0x800 - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AU1200_LCD_INT,
- .end = AU1200_LCD_INT,
- .flags = IORESOURCE_IRQ,
+static int __init _new_usbres(struct resource **r, struct platform_device **d)
+{
+ *r = kzalloc(sizeof(struct resource) * 2, GFP_KERNEL);
+ if (!*r)
+ return -ENOMEM;
+ *d = kzalloc(sizeof(struct platform_device), GFP_KERNEL);
+ if (!*d) {
+ kfree(*r);
+ return -ENOMEM;
}
-};
-
-static u64 au1200_lcd_dmamask = DMA_BIT_MASK(32);
-
-static struct platform_device au1200_lcd_device = {
- .name = "au1200-lcd",
- .id = 0,
- .dev = {
- .dma_mask = &au1200_lcd_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .num_resources = ARRAY_SIZE(au1200_lcd_resources),
- .resource = au1200_lcd_resources,
-};
-static u64 au1xxx_mmc_dmamask = DMA_BIT_MASK(32);
+ (*d)->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+ (*d)->num_resources = 2;
+ (*d)->resource = *r;
-extern struct au1xmmc_platform_data au1xmmc_platdata[2];
+ return 0;
+}
-static struct resource au1200_mmc0_resources[] = {
- [0] = {
- .start = AU1100_SD0_PHYS_ADDR,
- .end = AU1100_SD0_PHYS_ADDR + 0xfff,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AU1200_SD_INT,
- .end = AU1200_SD_INT,
- .flags = IORESOURCE_IRQ,
- },
- [2] = {
- .start = DSCR_CMD0_SDMS_TX0,
- .end = DSCR_CMD0_SDMS_TX0,
- .flags = IORESOURCE_DMA,
- },
- [3] = {
- .start = DSCR_CMD0_SDMS_RX0,
- .end = DSCR_CMD0_SDMS_RX0,
- .flags = IORESOURCE_DMA,
- }
-};
+static void __init alchemy_setup_usb(int ctype)
+{
+ struct resource *res;
+ struct platform_device *pdev;
-static struct platform_device au1200_mmc0_device = {
- .name = "au1xxx-mmc",
- .id = 0,
- .dev = {
- .dma_mask = &au1xxx_mmc_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- .platform_data = &au1xmmc_platdata[0],
- },
- .num_resources = ARRAY_SIZE(au1200_mmc0_resources),
- .resource = au1200_mmc0_resources,
-};
+ /* setup OHCI0. Every variant has one */
+ if (_new_usbres(&res, &pdev))
+ return;
-#ifndef CONFIG_MIPS_DB1200
-static struct resource au1200_mmc1_resources[] = {
- [0] = {
- .start = AU1100_SD1_PHYS_ADDR,
- .end = AU1100_SD1_PHYS_ADDR + 0xfff,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AU1200_SD_INT,
- .end = AU1200_SD_INT,
- .flags = IORESOURCE_IRQ,
- },
- [2] = {
- .start = DSCR_CMD0_SDMS_TX1,
- .end = DSCR_CMD0_SDMS_TX1,
- .flags = IORESOURCE_DMA,
- },
- [3] = {
- .start = DSCR_CMD0_SDMS_RX1,
- .end = DSCR_CMD0_SDMS_RX1,
- .flags = IORESOURCE_DMA,
+ res[0].start = alchemy_ohci_data[ctype][0];
+ res[0].end = res[0].start + 0x100 - 1;
+ res[0].flags = IORESOURCE_MEM;
+ res[1].start = alchemy_ohci_data[ctype][1];
+ res[1].end = res[1].start;
+ res[1].flags = IORESOURCE_IRQ;
+ pdev->name = "au1xxx-ohci";
+ pdev->id = 0;
+ pdev->dev.dma_mask = &alchemy_ohci_dmamask;
+
+ if (platform_device_register(pdev))
+ printk(KERN_INFO "Alchemy USB: cannot add OHCI0\n");
+
+
+ /* setup EHCI0: Au1200 */
+ if (ctype == ALCHEMY_CPU_AU1200) {
+ if (_new_usbres(&res, &pdev))
+ return;
+
+ res[0].start = alchemy_ehci_data[ctype][0];
+ res[0].end = res[0].start + 0x100 - 1;
+ res[0].flags = IORESOURCE_MEM;
+ res[1].start = alchemy_ehci_data[ctype][1];
+ res[1].end = res[1].start;
+ res[1].flags = IORESOURCE_IRQ;
+ pdev->name = "au1xxx-ehci";
+ pdev->id = 0;
+ pdev->dev.dma_mask = &alchemy_ehci_dmamask;
+
+ if (platform_device_register(pdev))
+ printk(KERN_INFO "Alchemy USB: cannot add EHCI0\n");
}
-};
-
-static struct platform_device au1200_mmc1_device = {
- .name = "au1xxx-mmc",
- .id = 1,
- .dev = {
- .dma_mask = &au1xxx_mmc_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- .platform_data = &au1xmmc_platdata[1],
- },
- .num_resources = ARRAY_SIZE(au1200_mmc1_resources),
- .resource = au1200_mmc1_resources,
-};
-#endif /* #ifndef CONFIG_MIPS_DB1200 */
-#endif /* #ifdef CONFIG_SOC_AU1200 */
-
-/* All Alchemy demoboards with I2C have this #define in their headers */
-#ifdef SMBUS_PSC_BASE
-static struct resource pbdb_smbus_resources[] = {
- {
- .start = CPHYSADDR(SMBUS_PSC_BASE),
- .end = CPHYSADDR(SMBUS_PSC_BASE + 0xfffff),
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct platform_device pbdb_smbus_device = {
- .name = "au1xpsc_smbus",
- .id = 0, /* bus number */
- .num_resources = ARRAY_SIZE(pbdb_smbus_resources),
- .resource = pbdb_smbus_resources,
-};
-#endif
+}
/* Macro to help defining the Ethernet MAC resources */
-#define MAC_RES_COUNT 3 /* MAC regs base, MAC enable reg, MAC INT */
-#define MAC_RES(_base, _enable, _irq) \
+#define MAC_RES_COUNT 4 /* MAC regs, MAC en, MAC INT, MACDMA regs */
+#define MAC_RES(_base, _enable, _irq, _macdma) \
{ \
.start = _base, \
.end = _base + 0xffff, \
@@ -389,28 +206,37 @@ static struct platform_device pbdb_smbus_device = {
.start = _irq, \
.end = _irq, \
.flags = IORESOURCE_IRQ \
+ }, \
+ { \
+ .start = _macdma, \
+ .end = _macdma + 0x1ff, \
+ .flags = IORESOURCE_MEM, \
}
static struct resource au1xxx_eth0_resources[][MAC_RES_COUNT] __initdata = {
[ALCHEMY_CPU_AU1000] = {
MAC_RES(AU1000_MAC0_PHYS_ADDR,
AU1000_MACEN_PHYS_ADDR,
- AU1000_MAC0_DMA_INT)
+ AU1000_MAC0_DMA_INT,
+ AU1000_MACDMA0_PHYS_ADDR)
},
[ALCHEMY_CPU_AU1500] = {
MAC_RES(AU1500_MAC0_PHYS_ADDR,
AU1500_MACEN_PHYS_ADDR,
- AU1500_MAC0_DMA_INT)
+ AU1500_MAC0_DMA_INT,
+ AU1000_MACDMA0_PHYS_ADDR)
},
[ALCHEMY_CPU_AU1100] = {
MAC_RES(AU1000_MAC0_PHYS_ADDR,
AU1000_MACEN_PHYS_ADDR,
- AU1100_MAC0_DMA_INT)
+ AU1100_MAC0_DMA_INT,
+ AU1000_MACDMA0_PHYS_ADDR)
},
[ALCHEMY_CPU_AU1550] = {
MAC_RES(AU1000_MAC0_PHYS_ADDR,
AU1000_MACEN_PHYS_ADDR,
- AU1550_MAC0_DMA_INT)
+ AU1550_MAC0_DMA_INT,
+ AU1000_MACDMA0_PHYS_ADDR)
},
};
@@ -429,17 +255,20 @@ static struct resource au1xxx_eth1_resources[][MAC_RES_COUNT] __initdata = {
[ALCHEMY_CPU_AU1000] = {
MAC_RES(AU1000_MAC1_PHYS_ADDR,
AU1000_MACEN_PHYS_ADDR + 4,
- AU1000_MAC1_DMA_INT)
+ AU1000_MAC1_DMA_INT,
+ AU1000_MACDMA1_PHYS_ADDR)
},
[ALCHEMY_CPU_AU1500] = {
MAC_RES(AU1500_MAC1_PHYS_ADDR,
AU1500_MACEN_PHYS_ADDR + 4,
- AU1500_MAC1_DMA_INT)
+ AU1500_MAC1_DMA_INT,
+ AU1000_MACDMA1_PHYS_ADDR)
},
[ALCHEMY_CPU_AU1550] = {
MAC_RES(AU1000_MAC1_PHYS_ADDR,
AU1000_MACEN_PHYS_ADDR + 4,
- AU1550_MAC1_DMA_INT)
+ AU1550_MAC1_DMA_INT,
+ AU1000_MACDMA1_PHYS_ADDR)
},
};
@@ -521,36 +350,15 @@ static void __init alchemy_setup_macs(int ctype)
}
}
-static struct platform_device *au1xxx_platform_devices[] __initdata = {
- &au1xxx_usb_ohci_device,
-#ifdef CONFIG_FB_AU1100
- &au1100_lcd_device,
-#endif
-#ifdef CONFIG_SOC_AU1200
- &au1xxx_usb_ehci_device,
- &au1xxx_usb_gdt_device,
- &au1xxx_usb_otg_device,
- &au1200_lcd_device,
- &au1200_mmc0_device,
-#ifndef CONFIG_MIPS_DB1200
- &au1200_mmc1_device,
-#endif
-#endif
-#ifdef SMBUS_PSC_BASE
- &pbdb_smbus_device,
-#endif
-};
-
static int __init au1xxx_platform_init(void)
{
- int err, ctype = alchemy_get_cputype();
+ int ctype = alchemy_get_cputype();
alchemy_setup_uarts(ctype);
alchemy_setup_macs(ctype);
+ alchemy_setup_usb(ctype);
- err = platform_add_devices(au1xxx_platform_devices,
- ARRAY_SIZE(au1xxx_platform_devices));
- return err;
+ return 0;
}
arch_initcall(au1xxx_platform_init);