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