upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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73 lines
2.0 KiB
73 lines
2.0 KiB
/*
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* include/asm-ppc/cache.h
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*/
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#ifndef __ARCH_PPC_CACHE_H
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#define __ARCH_PPC_CACHE_H
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#include <asm/processor.h>
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/* bytes per L1 cache line */
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#if defined(CONFIG_PPC64BRIDGE)
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#define L1_CACHE_SHIFT 7
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#elif defined(CONFIG_E500MC)
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#define L1_CACHE_SHIFT 6
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#else
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#define L1_CACHE_SHIFT 5
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#endif
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#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
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/*
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* Use the L1 data cache line size value for the minimum DMA buffer alignment
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* on PowerPC.
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*/
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#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
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/*
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* For compatibility reasons support the CONFIG_SYS_CACHELINE_SIZE too
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*/
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#ifndef CONFIG_SYS_CACHELINE_SIZE
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#define CONFIG_SYS_CACHELINE_SIZE L1_CACHE_BYTES
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#endif
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#define L1_CACHE_ALIGN(x) (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1))
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#define L1_CACHE_PAGES 8
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#define SMP_CACHE_BYTES L1_CACHE_BYTES
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#ifdef MODULE
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#define __cacheline_aligned __attribute__((__aligned__(L1_CACHE_BYTES)))
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#else
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#define __cacheline_aligned \
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__attribute__((__aligned__(L1_CACHE_BYTES), \
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__section__(".data.cacheline_aligned")))
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#endif
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#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
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extern void flush_dcache_range(unsigned long start, unsigned long stop);
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extern void clean_dcache_range(unsigned long start, unsigned long stop);
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extern void invalidate_dcache_range(unsigned long start, unsigned long stop);
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extern void flush_dcache(void);
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extern void invalidate_dcache(void);
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extern void invalidate_icache(void);
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#ifdef CONFIG_SYS_INIT_RAM_LOCK
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extern void unlock_ram_in_cache(void);
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#endif /* CONFIG_SYS_INIT_RAM_LOCK */
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#endif /* __ASSEMBLY__ */
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#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
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int l2cache_init(void);
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void enable_cpc(void);
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void disable_cpc_sram(void);
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#endif
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/* prep registers for L2 */
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#define CACHECRBA 0x80000823 /* Cache configuration register address */
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#define L2CACHE_MASK 0x03 /* Mask for 2 L2 Cache bits */
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#define L2CACHE_512KB 0x00 /* 512KB */
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#define L2CACHE_256KB 0x01 /* 256KB */
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#define L2CACHE_1MB 0x02 /* 1MB */
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#define L2CACHE_NONE 0x03 /* NONE */
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#define L2CACHE_PARITY 0x08 /* Mask for L2 Cache Parity Protected bit */
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#endif
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