diff options
Diffstat (limited to 'arch/mips/include')
| -rw-r--r-- | arch/mips/include/asm/cacheops.h | 19 | ||||
| -rw-r--r-- | arch/mips/include/asm/mipsregs.h | 18 | ||||
| -rw-r--r-- | arch/mips/include/asm/spl.h | 33 |
3 files changed, 63 insertions, 7 deletions
diff --git a/arch/mips/include/asm/cacheops.h b/arch/mips/include/asm/cacheops.h index 3161875441..98b67ccc8e 100644 --- a/arch/mips/include/asm/cacheops.h +++ b/arch/mips/include/asm/cacheops.h @@ -19,6 +19,25 @@ static inline void mips_cache(int op, const volatile void *addr) #endif } +#define MIPS32_WHICH_ICACHE 0x0 +#define MIPS32_FETCH_AND_LOCK 0x7 + +#define ICACHE_LOAD_LOCK (MIPS32_WHICH_ICACHE | (MIPS32_FETCH_AND_LOCK << 2)) + +/* Prefetch and lock instructions into cache */ +static inline void icache_lock(void *func, size_t len) +{ + int i, lines = ((len - 1) / ARCH_DMA_MINALIGN) + 1; + + for (i = 0; i < lines; i++) { + asm volatile (" cache %0, %1(%2)" + : /* No Output */ + : "I" ICACHE_LOAD_LOCK, + "n" (i * ARCH_DMA_MINALIGN), + "r" (func) + : /* No Clobbers */); + } +} #endif /* !__ASSEMBLY__ */ /* diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index 48fa1f1f7f..f80311e64e 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -1013,9 +1013,7 @@ do { \ #define __read_64bit_c0_split(source, sel) \ ({ \ unsigned long long __val; \ - unsigned long __flags; \ \ - local_irq_save(__flags); \ if (sel == 0) \ __asm__ __volatile__( \ ".set\tmips64\n\t" \ @@ -1034,16 +1032,12 @@ do { \ "dsra\t%L0, %L0, 32\n\t" \ ".set\tmips0" \ : "=r" (__val)); \ - local_irq_restore(__flags); \ \ __val; \ }) #define __write_64bit_c0_split(source, sel, val) \ do { \ - unsigned long __flags; \ - \ - local_irq_save(__flags); \ if (sel == 0) \ __asm__ __volatile__( \ ".set\tmips64\n\t" \ @@ -1064,7 +1058,6 @@ do { \ "dmtc0\t%L0, " #source ", " #sel "\n\t" \ ".set\tmips0" \ : : "r" (val)); \ - local_irq_restore(__flags); \ } while (0) #define __readx_32bit_c0_register(source) \ @@ -2005,6 +1998,17 @@ static inline unsigned int get_ebase_cpunum(void) return read_c0_ebase() & 0x3ff; } +static inline void write_one_tlb(int index, u32 pagemask, u32 hi, u32 low0, + u32 low1) +{ + write_c0_entrylo0(low0); + write_c0_pagemask(pagemask); + write_c0_entrylo1(low1); + write_c0_entryhi(hi); + write_c0_index(index); + tlb_write_indexed(); +} + #endif /* !__ASSEMBLY__ */ #endif /* _ASM_MIPSREGS_H */ diff --git a/arch/mips/include/asm/spl.h b/arch/mips/include/asm/spl.h new file mode 100644 index 0000000000..0a847edec8 --- /dev/null +++ b/arch/mips/include/asm/spl.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * (C) Copyright 2012 + * Texas Instruments, <www.ti.com> + */ +#ifndef _ASM_SPL_H_ +#define _ASM_SPL_H_ + +enum { + BOOT_DEVICE_RAM, + BOOT_DEVICE_MMC1, + BOOT_DEVICE_MMC2, + BOOT_DEVICE_MMC2_2, + BOOT_DEVICE_NAND, + BOOT_DEVICE_ONENAND, + BOOT_DEVICE_NOR, + BOOT_DEVICE_UART, + BOOT_DEVICE_SPI, + BOOT_DEVICE_USB, + BOOT_DEVICE_SATA, + BOOT_DEVICE_I2C, + BOOT_DEVICE_BOARD, + BOOT_DEVICE_DFU, + BOOT_DEVICE_XIP, + BOOT_DEVICE_BOOTROM, + BOOT_DEVICE_NONE +}; + +#ifndef CONFIG_DM +extern gd_t gdata; +#endif + +#endif |