diff options
Diffstat (limited to 'arch/mips/cavium-octeon/flash_setup.c')
| -rw-r--r-- | arch/mips/cavium-octeon/flash_setup.c | 42 |
1 files changed, 37 insertions, 5 deletions
diff --git a/arch/mips/cavium-octeon/flash_setup.c b/arch/mips/cavium-octeon/flash_setup.c index 39e26df..a3d609d 100644 --- a/arch/mips/cavium-octeon/flash_setup.c +++ b/arch/mips/cavium-octeon/flash_setup.c @@ -8,10 +8,11 @@ * Copyright (C) 2007, 2008 Cavium Networks */ #include <linux/kernel.h> -#include <linux/export.h> +#include <linux/module.h> #include <linux/semaphore.h> #include <linux/mtd/mtd.h> #include <linux/mtd/map.h> +#include <linux/of_platform.h> #include <linux/mtd/partitions.h> #include <asm/octeon/octeon.h> @@ -66,14 +67,22 @@ static void octeon_flash_map_copy_to(struct map_info *map, unsigned long to, * * Returns Zero on success */ -static int __init flash_init(void) +static int octeon_flash_probe(struct platform_device *pdev) { + union cvmx_mio_boot_reg_cfgx region_cfg; + u32 cs; + int r; + struct device_node *np = pdev->dev.of_node; + + r = of_property_read_u32(np, "reg", &cs); + if (r) + return r; + /* * Read the bootbus region 0 setup to determine the base * address of the flash. */ - union cvmx_mio_boot_reg_cfgx region_cfg; - region_cfg.u64 = cvmx_read_csr(CVMX_MIO_BOOT_REG_CFGX(0)); + region_cfg.u64 = cvmx_read_csr(CVMX_MIO_BOOT_REG_CFGX(cs)); if (region_cfg.s.en) { /* * The bootloader always takes the flash and sets its @@ -109,4 +118,27 @@ static int __init flash_init(void) return 0; } -late_initcall(flash_init); +static const struct of_device_id of_flash_match[] = { + { + .compatible = "cfi-flash", + }, + { }, +}; +MODULE_DEVICE_TABLE(of, of_flash_match); + +static struct platform_driver of_flash_driver = { + .driver = { + .name = "octeon-of-flash", + .owner = THIS_MODULE, + .of_match_table = of_flash_match, + }, + .probe = octeon_flash_probe, +}; + +static int octeon_flash_init(void) +{ + return platform_driver_register(&of_flash_driver); +} +late_initcall(octeon_flash_init); + +MODULE_LICENSE("GPL"); |
