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85xx: Add support to populate addr map based on TLB settings
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
parent
78bbc5ce15
commit
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3 changed files with 45 additions and 0 deletions
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@ -26,6 +26,11 @@
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#include <common.h>
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#include <asm/processor.h>
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#include <asm/mmu.h>
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#ifdef CONFIG_ADDR_MAP
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#include <addr_map.h>
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#endif
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DECLARE_GLOBAL_DATA_PTR;
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void set_tlb(u8 tlb, u32 epn, u64 rpn,
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u8 perms, u8 wimge,
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@ -47,6 +52,11 @@ void set_tlb(u8 tlb, u32 epn, u64 rpn,
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mtspr(MAS7, _mas7);
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#endif
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asm volatile("isync;msync;tlbwe;isync");
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#ifdef CONFIG_ADDR_MAP
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if ((tlb == 1) && (gd->flags & GD_FLG_RELOC))
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addrmap_set_entry(epn, rpn, (1UL << ((tsize * 2) + 10)), esel);
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#endif
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}
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void disable_tlb(u8 esel)
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@ -67,6 +77,11 @@ void disable_tlb(u8 esel)
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mtspr(MAS7, _mas7);
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#endif
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asm volatile("isync;msync;tlbwe;isync");
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#ifdef CONFIG_ADDR_MAP
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if (gd->flags & GD_FLG_RELOC)
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addrmap_set_entry(0, 0, 0, esel);
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#endif
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}
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void invalidate_tlb(u8 tlb)
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@ -91,6 +106,25 @@ void init_tlbs(void)
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return ;
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}
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#ifdef CONFIG_ADDR_MAP
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void init_addr_map(void)
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{
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int i;
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for (i = 0; i < num_tlb_entries; i++) {
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if (tlb_table[i].tlb == 0)
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continue;
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addrmap_set_entry(tlb_table[i].epn,
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tlb_table[i].rpn,
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(1UL << ((tlb_table[i].tsize * 2) + 10)),
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tlb_table[i].esel);
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}
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return ;
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}
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#endif
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unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg)
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{
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unsigned int tlb_size;
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@ -431,6 +431,9 @@ extern void set_tlb(u8 tlb, u32 epn, u64 rpn,
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extern void disable_tlb(u8 esel);
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extern void invalidate_tlb(u8 tlb);
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extern void init_tlbs(void);
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#ifdef CONFIG_ADDR_MAP
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extern void init_addr_map(void);
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#endif
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extern unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg);
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#define SET_TLB_ENTRY(_tlb, _epn, _rpn, _perms, _wimge, _ts, _esel, _sz, _iprot) \
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@ -75,6 +75,10 @@
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#include <keyboard.h>
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#endif
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#ifdef CONFIG_ADDR_MAP
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#include <asm/mmu.h>
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#endif
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#ifdef CONFIG_SYS_UPDATE_FLASH_SIZE
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extern int update_flash_size (int flash_size);
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#endif
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@ -694,6 +698,10 @@ void board_init_r (gd_t *id, ulong dest_addr)
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*/
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trap_init (dest_addr);
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#if defined(CONFIG_ADDR_MAP) && defined(CONFIG_E500)
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init_addr_map();
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#endif
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#if defined(CONFIG_BOARD_EARLY_INIT_R)
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board_early_init_r ();
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#endif
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