| // SPDX-License-Identifier: GPL-2.0 | |
| #include <linux/of.h> | |
| #include <linux/of_address.h> | |
| #include <asm/mach/arch.h> | |
| #include "vexpress.h" | |
| #define SYS_FLAGSSET 0x030 | |
| #define SYS_FLAGSCLR 0x034 | |
| void vexpress_flags_set(u32 data) | |
| { | |
| static void __iomem *base; | |
| if (!base) { | |
| struct device_node *node = of_find_compatible_node(NULL, NULL, | |
| "arm,vexpress-sysreg"); | |
| base = of_iomap(node, 0); | |
| } | |
| if (WARN_ON(!base)) | |
| return; | |
| writel(~0, base + SYS_FLAGSCLR); | |
| writel(data, base + SYS_FLAGSSET); | |
| } | |
| static const char * const v2m_dt_match[] __initconst = { | |
| "arm,vexpress", | |
| NULL, | |
| }; | |
| DT_MACHINE_START(VEXPRESS_DT, "ARM-Versatile Express") | |
| .dt_compat = v2m_dt_match, | |
| .l2c_aux_val = 0x00400000, | |
| .l2c_aux_mask = 0xfe0fffff, | |
| .smp = smp_ops(vexpress_smp_dt_ops), | |
| .smp_init = smp_init_ops(vexpress_smp_init_ops), | |
| MACHINE_END |