| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * System information routines for all OMAP based boards. |
| * |
| * (C) Copyright 2017 Linaro Ltd. |
| * Sam Protsenko <semen.protsenko@linaro.org> |
| */ |
| |
| #include <asm/arch/omap.h> |
| #include <asm/io.h> |
| #include <asm/omap_common.h> |
| |
| /** |
| * Tell if device is GP/HS/EMU/TST. |
| */ |
| u32 get_device_type(void) |
| { |
| #if defined(CONFIG_OMAP34XX) |
| /* |
| * On OMAP3 systems we call this early enough that we must just |
| * use the direct offset for safety. |
| */ |
| return (readl(OMAP34XX_CTRL_BASE + 0x2f0) & DEVICE_TYPE_MASK) >> |
| DEVICE_TYPE_SHIFT; |
| #else |
| return (readl((*ctrl)->control_status) & DEVICE_TYPE_MASK) >> |
| DEVICE_TYPE_SHIFT; |
| #endif |
| } |
