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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /arch/arm/mach-s3c/cpu.h
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--arch/arm/mach-s3c/cpu.h128
1 files changed, 128 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c/cpu.h b/arch/arm/mach-s3c/cpu.h
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+++ b/arch/arm/mach-s3c/cpu.h
@@ -0,0 +1,128 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * Copyright (c) 2004-2005 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * Header file for Samsung CPU support
+ */
+
+/* todo - fix when rmk changes iodescs to use `void __iomem *` */
+
+#ifndef __SAMSUNG_PLAT_CPU_H
+#define __SAMSUNG_PLAT_CPU_H
+
+extern unsigned long samsung_cpu_id;
+
+#define S3C2410_CPU_ID 0x32410000
+#define S3C2410_CPU_MASK 0xFFFFFFFF
+
+#define S3C24XX_CPU_ID 0x32400000
+#define S3C24XX_CPU_MASK 0xFFF00000
+
+#define S3C2412_CPU_ID 0x32412000
+#define S3C2412_CPU_MASK 0xFFFFF000
+
+#define S3C6400_CPU_ID 0x36400000
+#define S3C6410_CPU_ID 0x36410000
+#define S3C64XX_CPU_MASK 0xFFFFF000
+
+#define S5PV210_CPU_ID 0x43110000
+#define S5PV210_CPU_MASK 0xFFFFF000
+
+#define IS_SAMSUNG_CPU(name, id, mask) \
+static inline int is_samsung_##name(void) \
+{ \
+ return ((samsung_cpu_id & mask) == (id & mask)); \
+}
+
+IS_SAMSUNG_CPU(s3c2410, S3C2410_CPU_ID, S3C2410_CPU_MASK)
+IS_SAMSUNG_CPU(s3c24xx, S3C24XX_CPU_ID, S3C24XX_CPU_MASK)
+IS_SAMSUNG_CPU(s3c2412, S3C2412_CPU_ID, S3C2412_CPU_MASK)
+IS_SAMSUNG_CPU(s3c6400, S3C6400_CPU_ID, S3C64XX_CPU_MASK)
+IS_SAMSUNG_CPU(s3c6410, S3C6410_CPU_ID, S3C64XX_CPU_MASK)
+
+#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \
+ defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \
+ defined(CONFIG_CPU_S3C2442) || defined(CONFIG_CPU_S3C244X) || \
+ defined(CONFIG_CPU_S3C2443)
+# define soc_is_s3c24xx() is_samsung_s3c24xx()
+# define soc_is_s3c2410() is_samsung_s3c2410()
+#else
+# define soc_is_s3c24xx() 0
+# define soc_is_s3c2410() 0
+#endif
+
+#if defined(CONFIG_CPU_S3C2412)
+# define soc_is_s3c2412() is_samsung_s3c2412()
+#else
+# define soc_is_s3c2412() 0
+#endif
+
+#if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410)
+# define soc_is_s3c6400() is_samsung_s3c6400()
+# define soc_is_s3c6410() is_samsung_s3c6410()
+# define soc_is_s3c64xx() (is_samsung_s3c6400() || is_samsung_s3c6410())
+#else
+# define soc_is_s3c6400() 0
+# define soc_is_s3c6410() 0
+# define soc_is_s3c64xx() 0
+#endif
+
+#define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
+
+#ifndef KHZ
+#define KHZ (1000)
+#endif
+
+#ifndef MHZ
+#define MHZ (1000*1000)
+#endif
+
+#define print_mhz(m) ((m) / MHZ), (((m) / 1000) % 1000)
+
+/* forward declaration */
+struct s3c24xx_uart_resources;
+struct platform_device;
+struct s3c2410_uartcfg;
+struct map_desc;
+
+/* per-cpu initialisation function table. */
+
+struct cpu_table {
+ unsigned long idcode;
+ unsigned long idmask;
+ void (*map_io)(void);
+ void (*init_uarts)(struct s3c2410_uartcfg *cfg, int no);
+ void (*init_clocks)(int xtal);
+ int (*init)(void);
+ const char *name;
+};
+
+extern void s3c_init_cpu(unsigned long idcode,
+ struct cpu_table *cpus, unsigned int cputab_size);
+
+/* core initialisation functions */
+
+extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);
+
+extern void s3c64xx_init_cpu(void);
+
+extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+
+extern void s3c24xx_init_clocks(int xtal);
+
+extern void s3c24xx_init_uartdevs(char *name,
+ struct s3c24xx_uart_resources *res,
+ struct s3c2410_uartcfg *cfg, int no);
+
+extern struct syscore_ops s3c2410_pm_syscore_ops;
+extern struct syscore_ops s3c2412_pm_syscore_ops;
+extern struct syscore_ops s3c2416_pm_syscore_ops;
+extern struct syscore_ops s3c244x_pm_syscore_ops;
+
+extern struct bus_type s3c6410_subsys;
+
+#endif