diff options
Diffstat (limited to 'arch/blackfin/mach-common/cache-c.c')
-rw-r--r-- | arch/blackfin/mach-common/cache-c.c | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/arch/blackfin/mach-common/cache-c.c b/arch/blackfin/mach-common/cache-c.c deleted file mode 100644 index f4adedc92895..000000000000 --- a/arch/blackfin/mach-common/cache-c.c +++ /dev/null @@ -1,85 +0,0 @@ -/* - * Blackfin cache control code (simpler control-style functions) - * - * Copyright 2004-2009 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#include <asm/blackfin.h> -#include <asm/cplbinit.h> - -/* Invalidate the Entire Data cache by - * clearing DMC[1:0] bits - */ -void blackfin_invalidate_entire_dcache(void) -{ - u32 dmem = bfin_read_DMEM_CONTROL(); - bfin_write_DMEM_CONTROL(dmem & ~0xc); - SSYNC(); - bfin_write_DMEM_CONTROL(dmem); - SSYNC(); -} - -/* Invalidate the Entire Instruction cache by - * clearing IMC bit - */ -void blackfin_invalidate_entire_icache(void) -{ - u32 imem = bfin_read_IMEM_CONTROL(); - bfin_write_IMEM_CONTROL(imem & ~0x4); - SSYNC(); - bfin_write_IMEM_CONTROL(imem); - SSYNC(); -} - -#if defined(CONFIG_BFIN_ICACHE) || defined(CONFIG_BFIN_DCACHE) - -static void -bfin_cache_init(struct cplb_entry *cplb_tbl, unsigned long cplb_addr, - unsigned long cplb_data, unsigned long mem_control, - unsigned long mem_mask) -{ - int i; -#ifdef CONFIG_L1_PARITY_CHECK - u32 ctrl; - - if (cplb_addr == DCPLB_ADDR0) { - ctrl = bfin_read32(mem_control) | (1 << RDCHK); - CSYNC(); - bfin_write32(mem_control, ctrl); - SSYNC(); - } -#endif - - for (i = 0; i < MAX_CPLBS; i++) { - bfin_write32(cplb_addr + i * 4, cplb_tbl[i].addr); - bfin_write32(cplb_data + i * 4, cplb_tbl[i].data); - } - - _enable_cplb(mem_control, mem_mask); -} - -#ifdef CONFIG_BFIN_ICACHE -void bfin_icache_init(struct cplb_entry *icplb_tbl) -{ - bfin_cache_init(icplb_tbl, ICPLB_ADDR0, ICPLB_DATA0, IMEM_CONTROL, - (IMC | ENICPLB)); -} -#endif - -#ifdef CONFIG_BFIN_DCACHE -void bfin_dcache_init(struct cplb_entry *dcplb_tbl) -{ - /* - * Anomaly notes: - * 05000287 - We implement workaround #2 - Change the DMEM_CONTROL - * register, so that the port preferences for DAG0 and DAG1 are set - * to port B - */ - bfin_cache_init(dcplb_tbl, DCPLB_ADDR0, DCPLB_DATA0, DMEM_CONTROL, - (DMEM_CNTR | PORT_PREF0 | (ANOMALY_05000287 ? PORT_PREF1 : 0))); -} -#endif - -#endif |