diff options
Diffstat (limited to 'arch/sparc64/kernel/of_device.c')
| -rw-r--r-- | arch/sparc64/kernel/of_device.c | 59 |
1 files changed, 41 insertions, 18 deletions
diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c index fb9bf1e4d03..9ac9a307999 100644 --- a/arch/sparc64/kernel/of_device.c +++ b/arch/sparc64/kernel/of_device.c @@ -245,7 +245,7 @@ struct of_bus { int *addrc, int *sizec); int (*map)(u32 *addr, const u32 *range, int na, int ns, int pna); - unsigned int (*get_flags)(u32 *addr); + unsigned int (*get_flags)(const u32 *addr); }; /* @@ -305,7 +305,7 @@ static int of_bus_default_map(u32 *addr, const u32 *range, return 0; } -static unsigned int of_bus_default_get_flags(u32 *addr) +static unsigned int of_bus_default_get_flags(const u32 *addr) { return IORESOURCE_MEM; } @@ -317,6 +317,11 @@ static unsigned int of_bus_default_get_flags(u32 *addr) static int of_bus_pci_match(struct device_node *np) { if (!strcmp(np->type, "pci") || !strcmp(np->type, "pciex")) { + const char *model = of_get_property(np, "model", NULL); + + if (model && !strcmp(model, "SUNW,simba")) + return 0; + /* Do not do PCI specific frobbing if the * PCI bridge lacks a ranges property. We * want to pass it through up to the next @@ -332,6 +337,21 @@ static int of_bus_pci_match(struct device_node *np) return 0; } +static int of_bus_simba_match(struct device_node *np) +{ + const char *model = of_get_property(np, "model", NULL); + + if (model && !strcmp(model, "SUNW,simba")) + return 1; + return 0; +} + +static int of_bus_simba_map(u32 *addr, const u32 *range, + int na, int ns, int pna) +{ + return 0; +} + static void of_bus_pci_count_cells(struct device_node *np, int *addrc, int *sizec) { @@ -369,7 +389,7 @@ static int of_bus_pci_map(u32 *addr, const u32 *range, return 0; } -static unsigned int of_bus_pci_get_flags(u32 *addr) +static unsigned int of_bus_pci_get_flags(const u32 *addr) { unsigned int flags = 0; u32 w = addr[0]; @@ -436,6 +456,15 @@ static struct of_bus of_busses[] = { .map = of_bus_pci_map, .get_flags = of_bus_pci_get_flags, }, + /* SIMBA */ + { + .name = "simba", + .addr_prop_name = "assigned-addresses", + .match = of_bus_simba_match, + .count_cells = of_bus_pci_count_cells, + .map = of_bus_simba_map, + .get_flags = of_bus_pci_get_flags, + }, /* SBUS */ { .name = "sbus", @@ -482,7 +511,7 @@ static int __init build_one_resource(struct device_node *parent, u32 *addr, int na, int ns, int pna) { - u32 *ranges; + const u32 *ranges; unsigned int rlen; int rone; @@ -513,7 +542,7 @@ static int __init build_one_resource(struct device_node *parent, static int __init use_1to1_mapping(struct device_node *pp) { - char *model; + const char *model; /* If this is on the PMU bus, don't try to translate it even * if a ranges property exists. @@ -548,7 +577,7 @@ static void __init build_device_resources(struct of_device *op, struct of_bus *bus; int na, ns; int index, num_reg; - void *preg; + const void *preg; if (!parent) return; @@ -578,7 +607,7 @@ static void __init build_device_resources(struct of_device *op, for (index = 0; index < num_reg; index++) { struct resource *r = &op->resource[index]; u32 addr[OF_MAX_ADDR_CELLS]; - u32 *reg = (preg + (index * ((na + ns) * 4))); + const u32 *reg = (preg + (index * ((na + ns) * 4))); struct device_node *dp = op->node; struct device_node *pp = p_op->node; struct of_bus *pbus, *dbus; @@ -643,14 +672,14 @@ static void __init build_device_resources(struct of_device *op, static struct device_node * __init apply_interrupt_map(struct device_node *dp, struct device_node *pp, - u32 *imap, int imlen, u32 *imask, + const u32 *imap, int imlen, const u32 *imask, unsigned int *irq_p) { struct device_node *cp; unsigned int irq = *irq_p; struct of_bus *bus; phandle handle; - u32 *reg; + const u32 *reg; int na, num_reg, i; bus = of_match_bus(pp); @@ -705,7 +734,7 @@ static unsigned int __init pci_irq_swizzle(struct device_node *dp, struct device_node *pp, unsigned int irq) { - struct linux_prom_pci_registers *regs; + const struct linux_prom_pci_registers *regs; unsigned int bus, devfn, slot, ret; if (irq < 1 || irq > 4) @@ -730,12 +759,6 @@ static unsigned int __init pci_irq_swizzle(struct device_node *dp, * D: 2-bit slot number, derived from PCI device number as * (dev - 1) for bus A, or (dev - 2) for bus B * L: 2-bit line number - * - * Actually, more "portable" way to calculate the funky - * slot number is to subtract pbm->pci_first_slot from the - * device number, and that's exactly what the pre-OF - * sparc64 code did, but we're building this stuff generically - * using the OBP tree, not in the PCI controller layer. */ if (bus & 0x80) { /* PBM-A */ @@ -794,7 +817,7 @@ static unsigned int __init build_one_device_irq(struct of_device *op, pp = dp->parent; ip = NULL; while (pp) { - void *imap, *imsk; + const void *imap, *imsk; int imlen; imap = of_get_property(pp, "interrupt-map", &imlen); @@ -859,7 +882,7 @@ static struct of_device * __init scan_one_device(struct device_node *dp, struct device *parent) { struct of_device *op = kzalloc(sizeof(*op), GFP_KERNEL); - unsigned int *irq; + const unsigned int *irq; int len, i; if (!op) |