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head/sys/dev/fdt/fdt_common.c
| Show First 20 Lines • Show All 494 Lines • ▼ Show 20 Lines | fdt_get_reserved_regions(struct mem_region *mr, int *mrcnt) | ||||
| *mrcnt = i; | *mrcnt = i; | ||||
| rv = 0; | rv = 0; | ||||
| out: | out: | ||||
| return (rv); | return (rv); | ||||
| } | } | ||||
| int | int | ||||
| fdt_get_reserved_mem(struct mem_region *reserved, int *mreserved) | |||||
| { | |||||
| pcell_t reg[FDT_REG_CELLS]; | |||||
| phandle_t child, root; | |||||
| int addr_cells, size_cells; | |||||
| int i, rv; | |||||
| root = OF_finddevice("/reserved-memory"); | |||||
| if (root == -1) { | |||||
| return (ENXIO); | |||||
| } | |||||
| if ((rv = fdt_addrsize_cells(root, &addr_cells, &size_cells)) != 0) | |||||
| return (rv); | |||||
| if (addr_cells + size_cells > FDT_REG_CELLS) | |||||
| panic("Too many address and size cells %d %d", addr_cells, | |||||
| size_cells); | |||||
| i = 0; | |||||
| for (child = OF_child(root); child != 0; child = OF_peer(child)) { | |||||
| if (!OF_hasprop(child, "no-map")) | |||||
| continue; | |||||
| rv = OF_getprop(child, "reg", reg, sizeof(reg)); | |||||
| if (rv <= 0) | |||||
| /* XXX: Does a no-map of a dynamic range make sense? */ | |||||
| continue; | |||||
| fdt_data_to_res(reg, addr_cells, size_cells, | |||||
| (u_long *)&reserved[i].mr_start, | |||||
| (u_long *)&reserved[i].mr_size); | |||||
| i++; | |||||
| } | |||||
| *mreserved = i; | |||||
| return (0); | |||||
| } | |||||
| int | |||||
| fdt_get_mem_regions(struct mem_region *mr, int *mrcnt, uint64_t *memsize) | fdt_get_mem_regions(struct mem_region *mr, int *mrcnt, uint64_t *memsize) | ||||
| { | { | ||||
| pcell_t reg[FDT_REG_CELLS * FDT_MEM_REGIONS]; | pcell_t reg[FDT_REG_CELLS * FDT_MEM_REGIONS]; | ||||
| pcell_t *regp; | pcell_t *regp; | ||||
| phandle_t memory; | phandle_t memory; | ||||
| uint64_t memory_size; | uint64_t memory_size; | ||||
| int addr_cells, size_cells; | int addr_cells, size_cells; | ||||
| int i, reg_len, rv, tuple_size, tuples; | int i, reg_len, rv, tuple_size, tuples; | ||||
| ▲ Show 20 Lines • Show All 68 Lines • Show Last 20 Lines | |||||