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Diffstat (limited to 'arch/blackfin/kernel/cplb-mpu/cplbinit.c')
-rw-r--r--arch/blackfin/kernel/cplb-mpu/cplbinit.c102
1 files changed, 0 insertions, 102 deletions
diff --git a/arch/blackfin/kernel/cplb-mpu/cplbinit.c b/arch/blackfin/kernel/cplb-mpu/cplbinit.c
deleted file mode 100644
index c15fd05f0b09..000000000000
--- a/arch/blackfin/kernel/cplb-mpu/cplbinit.c
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * Blackfin CPLB initialization
- *
- * Copyright 2008-2009 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <linux/module.h>
-
-#include <asm/blackfin.h>
-#include <asm/cplb.h>
-#include <asm/cplbinit.h>
-#include <asm/mem_map.h>
-
-struct cplb_entry icplb_tbl[NR_CPUS][MAX_CPLBS];
-struct cplb_entry dcplb_tbl[NR_CPUS][MAX_CPLBS];
-
-int first_switched_icplb, first_switched_dcplb;
-int first_mask_dcplb;
-
-void __init generate_cplb_tables_cpu(unsigned int cpu)
-{
- int i_d, i_i;
- unsigned long addr;
- unsigned long d_data, i_data;
- unsigned long d_cache = 0, i_cache = 0;
-
- printk(KERN_INFO "MPU: setting up cplb tables with memory protection\n");
-
-#ifdef CONFIG_BFIN_EXTMEM_ICACHEABLE
- i_cache = CPLB_L1_CHBL | ANOMALY_05000158_WORKAROUND;
-#endif
-
-#ifdef CONFIG_BFIN_EXTMEM_DCACHEABLE
- d_cache = CPLB_L1_CHBL;
-#ifdef CONFIG_BFIN_EXTMEM_WRITETHROUGH
- d_cache |= CPLB_L1_AOW | CPLB_WT;
-#endif
-#endif
-
- i_d = i_i = 0;
-
- /* Set up the zero page. */
- dcplb_tbl[cpu][i_d].addr = 0;
- dcplb_tbl[cpu][i_d++].data = SDRAM_OOPS | PAGE_SIZE_1KB;
-
- icplb_tbl[cpu][i_i].addr = 0;
- icplb_tbl[cpu][i_i++].data = CPLB_VALID | i_cache | CPLB_USER_RD | PAGE_SIZE_1KB;
-
- /* Cover kernel memory with 4M pages. */
- addr = 0;
- d_data = d_cache | CPLB_SUPV_WR | CPLB_VALID | PAGE_SIZE_4MB | CPLB_DIRTY;
- i_data = i_cache | CPLB_VALID | CPLB_PORTPRIO | PAGE_SIZE_4MB;
-
- for (; addr < memory_start; addr += 4 * 1024 * 1024) {
- dcplb_tbl[cpu][i_d].addr = addr;
- dcplb_tbl[cpu][i_d++].data = d_data;
- icplb_tbl[cpu][i_i].addr = addr;
- icplb_tbl[cpu][i_i++].data = i_data | (addr == 0 ? CPLB_USER_RD : 0);
- }
-
-#ifdef CONFIG_ROMKERNEL
- /* Cover kernel XIP flash area */
- addr = CONFIG_ROM_BASE & ~(4 * 1024 * 1024 - 1);
- dcplb_tbl[cpu][i_d].addr = addr;
- dcplb_tbl[cpu][i_d++].data = d_data | CPLB_USER_RD;
- icplb_tbl[cpu][i_i].addr = addr;
- icplb_tbl[cpu][i_i++].data = i_data | CPLB_USER_RD;
-#endif
-
- /* Cover L1 memory. One 4M area for code and data each is enough. */
-#if L1_DATA_A_LENGTH > 0 || L1_DATA_B_LENGTH > 0
- dcplb_tbl[cpu][i_d].addr = get_l1_data_a_start_cpu(cpu);
- dcplb_tbl[cpu][i_d++].data = L1_DMEMORY | PAGE_SIZE_4MB;
-#endif
-#if L1_CODE_LENGTH > 0
- icplb_tbl[cpu][i_i].addr = get_l1_code_start_cpu(cpu);
- icplb_tbl[cpu][i_i++].data = L1_IMEMORY | PAGE_SIZE_4MB;
-#endif
-
- /* Cover L2 memory */
-#if L2_LENGTH > 0
- dcplb_tbl[cpu][i_d].addr = L2_START;
- dcplb_tbl[cpu][i_d++].data = L2_DMEMORY;
- icplb_tbl[cpu][i_i].addr = L2_START;
- icplb_tbl[cpu][i_i++].data = L2_IMEMORY;
-#endif
-
- first_mask_dcplb = i_d;
- first_switched_dcplb = i_d + (1 << page_mask_order);
- first_switched_icplb = i_i;
-
- while (i_d < MAX_CPLBS)
- dcplb_tbl[cpu][i_d++].data = 0;
- while (i_i < MAX_CPLBS)
- icplb_tbl[cpu][i_i++].data = 0;
-}
-
-void __init generate_cplb_tables_all(void)
-{
-}