diff options
Diffstat (limited to 'arch/hexagon/kernel/vm_init_segtable.S')
| -rw-r--r-- | arch/hexagon/kernel/vm_init_segtable.S | 429 |
1 files changed, 429 insertions, 0 deletions
diff --git a/arch/hexagon/kernel/vm_init_segtable.S b/arch/hexagon/kernel/vm_init_segtable.S new file mode 100644 index 000000000..2638a0906 --- /dev/null +++ b/arch/hexagon/kernel/vm_init_segtable.S @@ -0,0 +1,429 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Initial page table for Linux kernel under Hexagon VM, + * + * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved. + */ + +/* + * These tables are pre-computed and linked into kernel. + */ + +#include <asm/vm_mmu.h> +/* #include <asm/iomap.h> */ + +/* + * Start with mapping PA=0 to both VA=0x0 and VA=0xc000000 as 16MB large pages. + * No user mode access, RWX, write-back cache. The entry needs + * to be replicated for all 4 virtual segments mapping to the page. + */ + +/* "Big Kernel Page" */ +#define BKP(pa) (((pa) & __HVM_PTE_PGMASK_4MB) \ + | __HVM_PTE_R | __HVM_PTE_W | __HVM_PTE_X \ + | __HEXAGON_C_WB_L2 << 6 \ + | __HVM_PDE_S_16MB) + +/* No cache version */ + +#define BKPG_IO(pa) (((pa) & __HVM_PTE_PGMASK_16MB) \ + | __HVM_PTE_R | __HVM_PTE_W | __HVM_PTE_X \ + | __HVM_PDE_S_16MB | __HEXAGON_C_DEV << 6 ) + +#define FOURK_IO(pa) (((pa) & __HVM_PTE_PGMASK_4KB) \ + | __HVM_PTE_R | __HVM_PTE_W | __HVM_PTE_X \ + | __HEXAGON_C_DEV << 6 ) + +#define L2_PTR(pa) (((pa) & __HVM_PTE_PGMASK_4KB) \ + | __HVM_PDE_S_4KB ) + +#define X __HVM_PDE_S_INVALID + + .p2align 12 + .globl swapper_pg_dir + .globl _K_init_segtable +swapper_pg_dir: +/* VA 0x00000000 */ + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X +/* VA 0x40000000 */ + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X +/* VA 0x80000000 */ + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X +/*0xa8*/.word X,X,X,X +#ifdef CONFIG_COMET_EARLY_UART_DEBUG +UART_PTE_ENTRY: +/*0xa9*/.word BKPG_IO(0xa9000000),BKPG_IO(0xa9000000),BKPG_IO(0xa9000000),BKPG_IO(0xa9000000) +#else +/*0xa9*/.word X,X,X,X +#endif +/*0xaa*/.word X,X,X,X +/*0xab*/.word X,X,X,X +/*0xac*/.word X,X,X,X +/*0xad*/.word X,X,X,X +/*0xae*/.word X,X,X,X +/*0xaf*/.word X,X,X,X +/*0xb0*/.word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X + .word X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X +_K_init_segtable: +/* VA 0xC0000000 */ + .word BKP(0x00000000), BKP(0x00400000), BKP(0x00800000), BKP(0x00c00000) + .word BKP(0x01000000), BKP(0x01400000), BKP(0x01800000), BKP(0x01c00000) + .word BKP(0x02000000), BKP(0x02400000), BKP(0x02800000), BKP(0x02c00000) + .word BKP(0x03000000), BKP(0x03400000), BKP(0x03800000), BKP(0x03c00000) + .word BKP(0x04000000), BKP(0x04400000), BKP(0x04800000), BKP(0x04c00000) + .word BKP(0x05000000), BKP(0x05400000), BKP(0x05800000), BKP(0x05c00000) + .word BKP(0x06000000), BKP(0x06400000), BKP(0x06800000), BKP(0x06c00000) + .word BKP(0x07000000), BKP(0x07400000), BKP(0x07800000), BKP(0x07c00000) + + .word BKP(0x08000000), BKP(0x08400000), BKP(0x08800000), BKP(0x08c00000) + .word BKP(0x09000000), BKP(0x09400000), BKP(0x09800000), BKP(0x09c00000) + .word BKP(0x0a000000), BKP(0x0a400000), BKP(0x0a800000), BKP(0x0ac00000) + .word BKP(0x0b000000), BKP(0x0b400000), BKP(0x0b800000), BKP(0x0bc00000) + .word BKP(0x0c000000), BKP(0x0c400000), BKP(0x0c800000), BKP(0x0cc00000) + .word BKP(0x0d000000), BKP(0x0d400000), BKP(0x0d800000), BKP(0x0dc00000) + .word BKP(0x0e000000), BKP(0x0e400000), BKP(0x0e800000), BKP(0x0ec00000) + .word BKP(0x0f000000), BKP(0x0f400000), BKP(0x0f800000), BKP(0x0fc00000) + + .word BKP(0x10000000), BKP(0x10400000), BKP(0x10800000), BKP(0x10c00000) + .word BKP(0x11000000), BKP(0x11400000), BKP(0x11800000), BKP(0x11c00000) + .word BKP(0x12000000), BKP(0x12400000), BKP(0x12800000), BKP(0x12c00000) + .word BKP(0x13000000), BKP(0x13400000), BKP(0x13800000), BKP(0x13c00000) + .word BKP(0x14000000), BKP(0x14400000), BKP(0x14800000), BKP(0x14c00000) + .word BKP(0x15000000), BKP(0x15400000), BKP(0x15800000), BKP(0x15c00000) + .word BKP(0x16000000), BKP(0x16400000), BKP(0x16800000), BKP(0x16c00000) + .word BKP(0x17000000), BKP(0x17400000), BKP(0x17800000), BKP(0x17c00000) + + .word BKP(0x18000000), BKP(0x18400000), BKP(0x18800000), BKP(0x18c00000) + .word BKP(0x19000000), BKP(0x19400000), BKP(0x19800000), BKP(0x19c00000) + .word BKP(0x1a000000), BKP(0x1a400000), BKP(0x1a800000), BKP(0x1ac00000) + .word BKP(0x1b000000), BKP(0x1b400000), BKP(0x1b800000), BKP(0x1bc00000) + .word BKP(0x1c000000), BKP(0x1c400000), BKP(0x1c800000), BKP(0x1cc00000) + .word BKP(0x1d000000), BKP(0x1d400000), BKP(0x1d800000), BKP(0x1dc00000) + .word BKP(0x1e000000), BKP(0x1e400000), BKP(0x1e800000), BKP(0x1ec00000) + .word BKP(0x1f000000), BKP(0x1f400000), BKP(0x1f800000), BKP(0x1fc00000) + + .word BKP(0x20000000), BKP(0x20400000), BKP(0x20800000), BKP(0x20c00000) + .word BKP(0x21000000), BKP(0x21400000), BKP(0x21800000), BKP(0x21c00000) + .word BKP(0x22000000), BKP(0x22400000), BKP(0x22800000), BKP(0x22c00000) + .word BKP(0x23000000), BKP(0x23400000), BKP(0x23800000), BKP(0x23c00000) + .word BKP(0x24000000), BKP(0x24400000), BKP(0x24800000), BKP(0x24c00000) + .word BKP(0x25000000), BKP(0x25400000), BKP(0x25800000), BKP(0x25c00000) + .word BKP(0x26000000), BKP(0x26400000), BKP(0x26800000), BKP(0x26c00000) + .word BKP(0x27000000), BKP(0x27400000), BKP(0x27800000), BKP(0x27c00000) + + .word BKP(0x28000000), BKP(0x28400000), BKP(0x28800000), BKP(0x28c00000) + .word BKP(0x29000000), BKP(0x29400000), BKP(0x29800000), BKP(0x29c00000) + .word BKP(0x2a000000), BKP(0x2a400000), BKP(0x2a800000), BKP(0x2ac00000) + .word BKP(0x2b000000), BKP(0x2b400000), BKP(0x2b800000), BKP(0x2bc00000) + .word BKP(0x2c000000), BKP(0x2c400000), BKP(0x2c800000), BKP(0x2cc00000) + .word BKP(0x2d000000), BKP(0x2d400000), BKP(0x2d800000), BKP(0x2dc00000) + .word BKP(0x2e000000), BKP(0x2e400000), BKP(0x2e800000), BKP(0x2ec00000) + .word BKP(0x2f000000), BKP(0x2f400000), BKP(0x2f800000), BKP(0x2fc00000) + + .word BKP(0x30000000), BKP(0x30400000), BKP(0x30800000), BKP(0x30c00000) + .word BKP(0x31000000), BKP(0x31400000), BKP(0x31800000), BKP(0x31c00000) + .word BKP(0x32000000), BKP(0x32400000), BKP(0x32800000), BKP(0x32c00000) + .word BKP(0x33000000), BKP(0x33400000), BKP(0x33800000), BKP(0x33c00000) + .word BKP(0x34000000), BKP(0x34400000), BKP(0x34800000), BKP(0x34c00000) + .word BKP(0x35000000), BKP(0x35400000), BKP(0x35800000), BKP(0x35c00000) + .word BKP(0x36000000), BKP(0x36400000), BKP(0x36800000), BKP(0x36c00000) + .word BKP(0x37000000), BKP(0x37400000), BKP(0x37800000), BKP(0x37c00000) + + .word BKP(0x38000000), BKP(0x38400000), BKP(0x38800000), BKP(0x38c00000) + .word BKP(0x39000000), BKP(0x39400000), BKP(0x39800000), BKP(0x39c00000) + .word BKP(0x3a000000), BKP(0x3a400000), BKP(0x3a800000), BKP(0x3ac00000) + .word BKP(0x3b000000), BKP(0x3b400000), BKP(0x3b800000), BKP(0x3bc00000) + .word BKP(0x3c000000), BKP(0x3c400000), BKP(0x3c800000), BKP(0x3cc00000) + .word BKP(0x3d000000), BKP(0x3d400000), BKP(0x3d800000), BKP(0x3dc00000) +_K_io_map: + .word X,X,X,X /* 0x3e000000 - device IO early remap */ + .word X,X,X,X /* 0x3f000000 - hypervisor space*/ + +#if 0 +/* + * This is in here as an example for devices which need to be mapped really + * early. + */ + .p2align 12 + .globl _K_io_kmap + .globl _K_init_devicetable +_K_init_devicetable: /* Should be 4MB worth of entries */ + .word FOURK_IO(MSM_GPIO1_PHYS),FOURK_IO(MSM_GPIO2_PHYS),FOURK_IO(MSM_SIRC_PHYS),X + .word FOURK_IO(TLMM_GPIO1_PHYS),X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X + .word X,X,X,X +#endif |