X-Git-Url: http://git.samba.org/samba.git/?p=sfrench%2Fcifs-2.6.git;a=blobdiff_plain;f=arch%2Fsparc64%2Fkernel%2Fcentral.c;fp=arch%2Fsparc64%2Fkernel%2Fcentral.c;h=0000000000000000000000000000000000000000;hp=05f1c916db066057653199aca45156b33398b341;hb=a88b5ba8bd8ac18aad65ee6c6a254e2e74876db3;hpb=d670bd4f803c8b646acd20f3ba21e65458293faf diff --git a/arch/sparc64/kernel/central.c b/arch/sparc64/kernel/central.c deleted file mode 100644 index 05f1c916db06..000000000000 --- a/arch/sparc64/kernel/central.c +++ /dev/null @@ -1,268 +0,0 @@ -/* central.c: Central FHC driver for Sunfire/Starfire/Wildfire. - * - * Copyright (C) 1997, 1999, 2008 David S. Miller (davem@davemloft.net) - */ - -#include -#include -#include -#include -#include -#include - -#include -#include - -struct clock_board { - void __iomem *clock_freq_regs; - void __iomem *clock_regs; - void __iomem *clock_ver_reg; - int num_slots; - struct resource leds_resource; - struct platform_device leds_pdev; -}; - -struct fhc { - void __iomem *pregs; - bool central; - bool jtag_master; - int board_num; - struct resource leds_resource; - struct platform_device leds_pdev; -}; - -static int __devinit clock_board_calc_nslots(struct clock_board *p) -{ - u8 reg = upa_readb(p->clock_regs + CLOCK_STAT1) & 0xc0; - - switch (reg) { - case 0x40: - return 16; - - case 0xc0: - return 8; - - case 0x80: - reg = 0; - if (p->clock_ver_reg) - reg = upa_readb(p->clock_ver_reg); - if (reg) { - if (reg & 0x80) - return 4; - else - return 5; - } - /* Fallthrough */ - default: - return 4; - } -} - -static int __devinit clock_board_probe(struct of_device *op, - const struct of_device_id *match) -{ - struct clock_board *p = kzalloc(sizeof(*p), GFP_KERNEL); - int err = -ENOMEM; - - if (!p) { - printk(KERN_ERR "clock_board: Cannot allocate struct clock_board\n"); - goto out; - } - - p->clock_freq_regs = of_ioremap(&op->resource[0], 0, - resource_size(&op->resource[0]), - "clock_board_freq"); - if (!p->clock_freq_regs) { - printk(KERN_ERR "clock_board: Cannot map clock_freq_regs\n"); - goto out_free; - } - - p->clock_regs = of_ioremap(&op->resource[1], 0, - resource_size(&op->resource[1]), - "clock_board_regs"); - if (!p->clock_regs) { - printk(KERN_ERR "clock_board: Cannot map clock_regs\n"); - goto out_unmap_clock_freq_regs; - } - - if (op->resource[2].flags) { - p->clock_ver_reg = of_ioremap(&op->resource[2], 0, - resource_size(&op->resource[2]), - "clock_ver_reg"); - if (!p->clock_ver_reg) { - printk(KERN_ERR "clock_board: Cannot map clock_ver_reg\n"); - goto out_unmap_clock_regs; - } - } - - p->num_slots = clock_board_calc_nslots(p); - - p->leds_resource.start = (unsigned long) - (p->clock_regs + CLOCK_CTRL); - p->leds_resource.end = p->leds_resource.end; - p->leds_resource.name = "leds"; - - p->leds_pdev.name = "sunfire-clockboard-leds"; - p->leds_pdev.resource = &p->leds_resource; - p->leds_pdev.num_resources = 1; - p->leds_pdev.dev.parent = &op->dev; - - err = platform_device_register(&p->leds_pdev); - if (err) { - printk(KERN_ERR "clock_board: Could not register LEDS " - "platform device\n"); - goto out_unmap_clock_ver_reg; - } - - printk(KERN_INFO "clock_board: Detected %d slot Enterprise system.\n", - p->num_slots); - - err = 0; -out: - return err; - -out_unmap_clock_ver_reg: - if (p->clock_ver_reg) - of_iounmap(&op->resource[2], p->clock_ver_reg, - resource_size(&op->resource[2])); - -out_unmap_clock_regs: - of_iounmap(&op->resource[1], p->clock_regs, - resource_size(&op->resource[1])); - -out_unmap_clock_freq_regs: - of_iounmap(&op->resource[0], p->clock_freq_regs, - resource_size(&op->resource[0])); - -out_free: - kfree(p); - goto out; -} - -static struct of_device_id __initdata clock_board_match[] = { - { - .name = "clock-board", - }, - {}, -}; - -static struct of_platform_driver clock_board_driver = { - .match_table = clock_board_match, - .probe = clock_board_probe, - .driver = { - .name = "clock_board", - }, -}; - -static int __devinit fhc_probe(struct of_device *op, - const struct of_device_id *match) -{ - struct fhc *p = kzalloc(sizeof(*p), GFP_KERNEL); - int err = -ENOMEM; - u32 reg; - - if (!p) { - printk(KERN_ERR "fhc: Cannot allocate struct fhc\n"); - goto out; - } - - if (!strcmp(op->node->parent->name, "central")) - p->central = true; - - p->pregs = of_ioremap(&op->resource[0], 0, - resource_size(&op->resource[0]), - "fhc_pregs"); - if (!p->pregs) { - printk(KERN_ERR "fhc: Cannot map pregs\n"); - goto out_free; - } - - if (p->central) { - reg = upa_readl(p->pregs + FHC_PREGS_BSR); - p->board_num = ((reg >> 16) & 1) | ((reg >> 12) & 0x0e); - } else { - p->board_num = of_getintprop_default(op->node, "board#", -1); - if (p->board_num == -1) { - printk(KERN_ERR "fhc: No board# property\n"); - goto out_unmap_pregs; - } - if (upa_readl(p->pregs + FHC_PREGS_JCTRL) & FHC_JTAG_CTRL_MENAB) - p->jtag_master = true; - } - - if (!p->central) { - p->leds_resource.start = (unsigned long) - (p->pregs + FHC_PREGS_CTRL); - p->leds_resource.end = p->leds_resource.end; - p->leds_resource.name = "leds"; - - p->leds_pdev.name = "sunfire-fhc-leds"; - p->leds_pdev.resource = &p->leds_resource; - p->leds_pdev.num_resources = 1; - p->leds_pdev.dev.parent = &op->dev; - - err = platform_device_register(&p->leds_pdev); - if (err) { - printk(KERN_ERR "fhc: Could not register LEDS " - "platform device\n"); - goto out_unmap_pregs; - } - } - reg = upa_readl(p->pregs + FHC_PREGS_CTRL); - - if (!p->central) - reg |= FHC_CONTROL_IXIST; - - reg &= ~(FHC_CONTROL_AOFF | - FHC_CONTROL_BOFF | - FHC_CONTROL_SLINE); - - upa_writel(reg, p->pregs + FHC_PREGS_CTRL); - upa_readl(p->pregs + FHC_PREGS_CTRL); - - reg = upa_readl(p->pregs + FHC_PREGS_ID); - printk(KERN_INFO "fhc: Board #%d, Version[%x] PartID[%x] Manuf[%x] %s\n", - p->board_num, - (reg & FHC_ID_VERS) >> 28, - (reg & FHC_ID_PARTID) >> 12, - (reg & FHC_ID_MANUF) >> 1, - (p->jtag_master ? - "(JTAG Master)" : - (p->central ? "(Central)" : ""))); - - err = 0; - -out: - return err; - -out_unmap_pregs: - of_iounmap(&op->resource[0], p->pregs, resource_size(&op->resource[0])); - -out_free: - kfree(p); - goto out; -} - -static struct of_device_id __initdata fhc_match[] = { - { - .name = "fhc", - }, - {}, -}; - -static struct of_platform_driver fhc_driver = { - .match_table = fhc_match, - .probe = fhc_probe, - .driver = { - .name = "fhc", - }, -}; - -static int __init sunfire_init(void) -{ - (void) of_register_driver(&fhc_driver, &of_platform_bus_type); - (void) of_register_driver(&clock_board_driver, &of_platform_bus_type); - return 0; -} - -subsys_initcall(sunfire_init);