diff options
Diffstat (limited to 'arch/arm/mach-socfpga/misc.c')
| -rw-r--r-- | arch/arm/mach-socfpga/misc.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm/mach-socfpga/misc.c b/arch/arm/mach-socfpga/misc.c index 904b3d030a..3f3ff8e23b 100644 --- a/arch/arm/mach-socfpga/misc.c +++ b/arch/arm/mach-socfpga/misc.c @@ -23,6 +23,8 @@ DECLARE_GLOBAL_DATA_PTR; +phys_addr_t socfpga_rstmgr_base __section(".data"); + #ifdef CONFIG_SYS_L2_PL310 static const struct pl310_regs *const pl310 = (struct pl310_regs *)CONFIG_SYS_PL310_BASE; @@ -146,6 +148,8 @@ void socfpga_fpga_add(void *fpga_desc) int arch_cpu_init(void) { + socfpga_get_managers_addr(); + #ifdef CONFIG_HW_WATCHDOG /* * In case the watchdog is enabled, make sure to (re-)configure it @@ -203,3 +207,40 @@ U_BOOT_CMD(bridge, 3, 1, do_bridge, ); #endif + +static int socfpga_get_base_addr(const char *compat, phys_addr_t *base) +{ + const void *blob = gd->fdt_blob; + struct fdt_resource r; + int node; + int ret; + + node = fdt_node_offset_by_compatible(blob, -1, compat); + if (node < 0) + return node; + + if (!fdtdec_get_is_enabled(blob, node)) + return -ENODEV; + + ret = fdt_get_resource(blob, node, "reg", 0, &r); + if (ret) + return ret; + + *base = (phys_addr_t)r.start; + + return 0; +} + +void socfpga_get_managers_addr(void) +{ + int ret; + + ret = socfpga_get_base_addr("altr,rst-mgr", &socfpga_rstmgr_base); + if (ret) + hang(); +} + +phys_addr_t socfpga_get_rstmgr_addr(void) +{ + return socfpga_rstmgr_base; +} |