| // SPDX-License-Identifier: GPL-2.0-or-later |
| * MX35 CPU type detection |
| * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> |
| #include <linux/module.h> |
| #include <linux/of_address.h> |
| static int mx35_cpu_rev = -1; |
| static int mx35_read_cpu_rev(void) |
| np = of_find_compatible_node(NULL, NULL, "fsl,imx35-iim"); |
| iim_base = of_iomap(np, 0); |
| rev = imx_readl(iim_base + MXC_IIMSREV); |
| return IMX_CHIP_REVISION_1_0; |
| return IMX_CHIP_REVISION_2_0; |
| return IMX_CHIP_REVISION_2_1; |
| return IMX_CHIP_REVISION_UNKNOWN; |
| mx35_cpu_rev = mx35_read_cpu_rev(); |
| EXPORT_SYMBOL(mx35_revision); |