board/phytium/durian/durian.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2019
   4  * shuyiqi <shuyiqi@phytium.com.cn>
   5  * liuhao  <liuhao@phytium.com.cn>
   6  */
   7
   8 #include <common.h>
   9 #include <asm/armv8/mmu.h>
  10 #include <asm/system.h>
  11 #include <asm/io.h>
  12 #include <linux/arm-smccc.h>
  13 #include <linux/kernel.h>
  14 #include <scsi.h>
  15 #include "cpu.h"
  16
  17 DECLARE_GLOBAL_DATA_PTR;
  18
  19 int dram_init(void)
  20 {
  21         gd->mem_clk = 0;
  22         gd->ram_size = PHYS_SDRAM_1_SIZE;
  23         return 0;
  24 }
  25
  26 int dram_init_banksize(void)
  27 {
  28         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  29         gd->bd->bi_dram[0].size =  PHYS_SDRAM_1_SIZE;
  30
  31         return 0;
  32 }
  33
  34 int board_init(void)
  35 {
  36         return 0;
  37 }
  38
  39 void reset_cpu(ulong addr)
  40 {
  41         struct arm_smccc_res res;
  42
  43         arm_smccc_smc(0x84000009, 0, 0, 0, 0, 0, 0, 0, &res);
  44         debug("reset cpu error, %lx\n", res.a0);
  45 }
  46
  47 static struct mm_region durian_mem_map[] = {
  48         {
  49                 .virt = 0x0UL,
  50                 .phys = 0x0UL,
  51                 .size = 0x80000000UL,
  52                 .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
  53                                  PTE_BLOCK_NON_SHARE |
  54                                  PTE_BLOCK_PXN |
  55                                  PTE_BLOCK_UXN
  56         },
  57         {
  58                 .virt = (u64)PHYS_SDRAM_1,
  59                 .phys = (u64)PHYS_SDRAM_1,
  60                 .size = (u64)PHYS_SDRAM_1_SIZE,
  61                 .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
  62                                  PTE_BLOCK_NS |
  63                                  PTE_BLOCK_INNER_SHARE
  64         },
  65         {
  66                 0,
  67         }
  68 };
  69
  70 struct mm_region *mem_map = durian_mem_map;
  71
  72 int print_cpuinfo(void)
  73 {
  74         printf("CPU: Phytium ft2004 %ld MHz\n", gd->cpu_clk);
  75         return 0;
  76 }
  77
  78 int __asm_flush_l3_dcache(void)
  79 {
  80         int i, pstate;
  81
  82         for (i = 0; i < HNF_COUNT; i++)
  83                 writeq(HNF_PSTATE_SFONLY, HNF_PSTATE_REQ + i * HNF_STRIDE);
  84         for (i = 0; i < HNF_COUNT; i++) {
  85                 do {
  86                         pstate = readq(HNF_PSTATE_STAT + i * HNF_STRIDE);
  87                 } while ((pstate & 0xf) != (HNF_PSTATE_SFONLY << 2));
  88         }
  89
  90         for (i = 0; i < HNF_COUNT; i++)
  91                 writeq(HNF_PSTATE_FULL, HNF_PSTATE_REQ + i * HNF_STRIDE);
  92
  93         return 0;
  94 }
  95
  96 int last_stage_init(void)
  97 {
  98         int ret;
  99
 100         /* pci e */
 101         pci_init();
 102         /* scsi scan */
 103         ret = scsi_scan(true);
 104         if (ret) {
 105                 printf("scsi scan failed\n");
 106                 return CMD_RET_FAILURE;
 107         }
 108         return ret;
 109 }
 110