diff options
Diffstat (limited to 'include/linux/soc')
| -rw-r--r-- | include/linux/soc/ixp4xx/cpu.h | 106 | ||||
| -rw-r--r-- | include/linux/soc/samsung/exynos-regs-pmu.h | 6 |
2 files changed, 106 insertions, 6 deletions
diff --git a/include/linux/soc/ixp4xx/cpu.h b/include/linux/soc/ixp4xx/cpu.h new file mode 100644 index 000000000000..88bd8de0e803 --- /dev/null +++ b/include/linux/soc/ixp4xx/cpu.h @@ -0,0 +1,106 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * IXP4XX cpu type detection + * + * Copyright (C) 2007 MontaVista Software, Inc. + */ + +#ifndef __SOC_IXP4XX_CPU_H__ +#define __SOC_IXP4XX_CPU_H__ + +#include <linux/io.h> +#ifdef CONFIG_ARM +#include <asm/cputype.h> +#endif + +/* Processor id value in CP15 Register 0 */ +#define IXP42X_PROCESSOR_ID_VALUE 0x690541c0 /* including unused 0x690541Ex */ +#define IXP42X_PROCESSOR_ID_MASK 0xffffffc0 + +#define IXP43X_PROCESSOR_ID_VALUE 0x69054040 +#define IXP43X_PROCESSOR_ID_MASK 0xfffffff0 + +#define IXP46X_PROCESSOR_ID_VALUE 0x69054200 /* including IXP455 */ +#define IXP46X_PROCESSOR_ID_MASK 0xfffffff0 + +/* "fuse" bits of IXP_EXP_CFG2 */ +/* All IXP4xx CPUs */ +#define IXP4XX_FEATURE_RCOMP (1 << 0) +#define IXP4XX_FEATURE_USB_DEVICE (1 << 1) +#define IXP4XX_FEATURE_HASH (1 << 2) +#define IXP4XX_FEATURE_AES (1 << 3) +#define IXP4XX_FEATURE_DES (1 << 4) +#define IXP4XX_FEATURE_HDLC (1 << 5) +#define IXP4XX_FEATURE_AAL (1 << 6) +#define IXP4XX_FEATURE_HSS (1 << 7) +#define IXP4XX_FEATURE_UTOPIA (1 << 8) +#define IXP4XX_FEATURE_NPEB_ETH0 (1 << 9) +#define IXP4XX_FEATURE_NPEC_ETH (1 << 10) +#define IXP4XX_FEATURE_RESET_NPEA (1 << 11) +#define IXP4XX_FEATURE_RESET_NPEB (1 << 12) +#define IXP4XX_FEATURE_RESET_NPEC (1 << 13) +#define IXP4XX_FEATURE_PCI (1 << 14) +#define IXP4XX_FEATURE_UTOPIA_PHY_LIMIT (3 << 16) +#define IXP4XX_FEATURE_XSCALE_MAX_FREQ (3 << 22) +#define IXP42X_FEATURE_MASK (IXP4XX_FEATURE_RCOMP | \ + IXP4XX_FEATURE_USB_DEVICE | \ + IXP4XX_FEATURE_HASH | \ + IXP4XX_FEATURE_AES | \ + IXP4XX_FEATURE_DES | \ + IXP4XX_FEATURE_HDLC | \ + IXP4XX_FEATURE_AAL | \ + IXP4XX_FEATURE_HSS | \ + IXP4XX_FEATURE_UTOPIA | \ + IXP4XX_FEATURE_NPEB_ETH0 | \ + IXP4XX_FEATURE_NPEC_ETH | \ + IXP4XX_FEATURE_RESET_NPEA | \ + IXP4XX_FEATURE_RESET_NPEB | \ + IXP4XX_FEATURE_RESET_NPEC | \ + IXP4XX_FEATURE_PCI | \ + IXP4XX_FEATURE_UTOPIA_PHY_LIMIT | \ + IXP4XX_FEATURE_XSCALE_MAX_FREQ) + + +/* IXP43x/46x CPUs */ +#define IXP4XX_FEATURE_ECC_TIMESYNC (1 << 15) +#define IXP4XX_FEATURE_USB_HOST (1 << 18) +#define IXP4XX_FEATURE_NPEA_ETH (1 << 19) +#define IXP43X_FEATURE_MASK (IXP42X_FEATURE_MASK | \ + IXP4XX_FEATURE_ECC_TIMESYNC | \ + IXP4XX_FEATURE_USB_HOST | \ + IXP4XX_FEATURE_NPEA_ETH) + +/* IXP46x CPU (including IXP455) only */ +#define IXP4XX_FEATURE_NPEB_ETH_1_TO_3 (1 << 20) +#define IXP4XX_FEATURE_RSA (1 << 21) +#define IXP46X_FEATURE_MASK (IXP43X_FEATURE_MASK | \ + IXP4XX_FEATURE_NPEB_ETH_1_TO_3 | \ + IXP4XX_FEATURE_RSA) + +#ifdef CONFIG_ARCH_IXP4XX +#define cpu_is_ixp42x_rev_a0() ((read_cpuid_id() & (IXP42X_PROCESSOR_ID_MASK | 0xF)) == \ + IXP42X_PROCESSOR_ID_VALUE) +#define cpu_is_ixp42x() ((read_cpuid_id() & IXP42X_PROCESSOR_ID_MASK) == \ + IXP42X_PROCESSOR_ID_VALUE) +#define cpu_is_ixp43x() ((read_cpuid_id() & IXP43X_PROCESSOR_ID_MASK) == \ + IXP43X_PROCESSOR_ID_VALUE) +#define cpu_is_ixp46x() ((read_cpuid_id() & IXP46X_PROCESSOR_ID_MASK) == \ + IXP46X_PROCESSOR_ID_VALUE) + +u32 ixp4xx_read_feature_bits(void); +void ixp4xx_write_feature_bits(u32 value); +#else +#define cpu_is_ixp42x_rev_a0() 0 +#define cpu_is_ixp42x() 0 +#define cpu_is_ixp43x() 0 +#define cpu_is_ixp46x() 0 +static inline u32 ixp4xx_read_feature_bits(void) +{ + return 0; +} +static inline void ixp4xx_write_feature_bits(u32 value) +{ +} +#endif + +#endif /* _ASM_ARCH_CPU_H */ diff --git a/include/linux/soc/samsung/exynos-regs-pmu.h b/include/linux/soc/samsung/exynos-regs-pmu.h index fc9250fb3133..aa840ed043e1 100644 --- a/include/linux/soc/samsung/exynos-regs-pmu.h +++ b/include/linux/soc/samsung/exynos-regs-pmu.h @@ -611,12 +611,6 @@ #define EXYNOS5420_FSYS2_OPTION 0x4168 #define EXYNOS5420_PSGEN_OPTION 0x4188 -/* For EXYNOS_CENTRAL_SEQ_OPTION */ -#define EXYNOS5_USE_STANDBYWFI_ARM_CORE0 BIT(16) -#define EXYNOS5_USE_STANDBYWFI_ARM_CORE1 BUT(17) -#define EXYNOS5_USE_STANDBYWFE_ARM_CORE0 BIT(24) -#define EXYNOS5_USE_STANDBYWFE_ARM_CORE1 BIT(25) - #define EXYNOS5420_ARM_USE_STANDBY_WFI0 BIT(4) #define EXYNOS5420_ARM_USE_STANDBY_WFI1 BIT(5) #define EXYNOS5420_ARM_USE_STANDBY_WFI2 BIT(6) |