Merge tag 'u-boot-atmel-fixes-2020.07-a' of https://gitlab.denx.de/u-boot/custodians...
[oweals/u-boot.git] / arch / arm / cpu / armv8 / fsl-layerscape / cpu.c
index ca632ebdaa98c08e0474cb8e88348c8a1b0b64a0..3fcedd53ff43befba54acd83106949d16fd45a2c 100644 (file)
@@ -1,12 +1,21 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * Copyright 2017 NXP
+ * Copyright 2017-2019 NXP
  * Copyright 2014-2015 Freescale Semiconductor, Inc.
  */
 
 #include <common.h>
+#include <cpu_func.h>
+#include <env.h>
 #include <fsl_ddr_sdram.h>
+#include <init.h>
+#include <hang.h>
+#include <log.h>
+#include <net.h>
+#include <vsprintf.h>
+#include <asm/cache.h>
 #include <asm/io.h>
+#include <asm/ptrace.h>
 #include <linux/errno.h>
 #include <asm/system.h>
 #include <fm_eth.h>
 #include <fsl_qbman.h>
 
 #ifdef CONFIG_TFABOOT
-#include <environment.h>
+#include <env_internal.h>
 #ifdef CONFIG_CHAIN_OF_TRUST
 #include <fsl_validate.h>
 #endif
 #endif
+#include <linux/mii.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -51,15 +61,24 @@ static struct cpu_type cpu_type_list[] = {
        CPU_TYPE_ENTRY(LS2081A, LS2081A, 8),
        CPU_TYPE_ENTRY(LS2041A, LS2041A, 4),
        CPU_TYPE_ENTRY(LS1043A, LS1043A, 4),
+       CPU_TYPE_ENTRY(LS1043A, LS1043A_P23, 4),
        CPU_TYPE_ENTRY(LS1023A, LS1023A, 2),
+       CPU_TYPE_ENTRY(LS1023A, LS1023A_P23, 2),
        CPU_TYPE_ENTRY(LS1046A, LS1046A, 4),
        CPU_TYPE_ENTRY(LS1026A, LS1026A, 2),
        CPU_TYPE_ENTRY(LS2040A, LS2040A, 4),
        CPU_TYPE_ENTRY(LS1012A, LS1012A, 1),
+       CPU_TYPE_ENTRY(LS1017A, LS1017A, 1),
+       CPU_TYPE_ENTRY(LS1018A, LS1018A, 1),
+       CPU_TYPE_ENTRY(LS1027A, LS1027A, 2),
+       CPU_TYPE_ENTRY(LS1028A, LS1028A, 2),
        CPU_TYPE_ENTRY(LS1088A, LS1088A, 8),
        CPU_TYPE_ENTRY(LS1084A, LS1084A, 8),
        CPU_TYPE_ENTRY(LS1048A, LS1048A, 4),
        CPU_TYPE_ENTRY(LS1044A, LS1044A, 4),
+       CPU_TYPE_ENTRY(LX2160A, LX2160A, 16),
+       CPU_TYPE_ENTRY(LX2120A, LX2120A, 12),
+       CPU_TYPE_ENTRY(LX2080A, LX2080A, 8),
 };
 
 #define EARLY_PGTABLE_SIZE 0x5000
@@ -120,6 +139,13 @@ static struct mm_region early_map[] = {
          PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_PXN | PTE_BLOCK_UXN |
          PTE_BLOCK_OUTER_SHARE | PTE_BLOCK_NS
        },
+#ifdef CONFIG_SYS_FSL_DRAM_BASE3
+       { CONFIG_SYS_FSL_DRAM_BASE3, CONFIG_SYS_FSL_DRAM_BASE3,
+         CONFIG_SYS_FSL_DRAM_SIZE3,
+         PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_PXN | PTE_BLOCK_UXN |
+         PTE_BLOCK_OUTER_SHARE | PTE_BLOCK_NS
+       },
+#endif
 #elif defined(CONFIG_FSL_LSCH2)
        { CONFIG_SYS_FSL_CCSR_BASE, CONFIG_SYS_FSL_CCSR_BASE,
          CONFIG_SYS_FSL_CCSR_SIZE,
@@ -234,17 +260,33 @@ static struct mm_region final_map[] = {
          PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
          PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
        },
+#ifdef CONFIG_SYS_PCIE3_PHYS_ADDR
        { CONFIG_SYS_PCIE3_PHYS_ADDR, CONFIG_SYS_PCIE3_PHYS_ADDR,
          CONFIG_SYS_PCIE3_PHYS_SIZE,
          PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
          PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
        },
-#ifdef CONFIG_ARCH_LS2080A
+#endif
+#ifdef CONFIG_SYS_PCIE4_PHYS_ADDR
        { CONFIG_SYS_PCIE4_PHYS_ADDR, CONFIG_SYS_PCIE4_PHYS_ADDR,
          CONFIG_SYS_PCIE4_PHYS_SIZE,
          PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
          PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
        },
+#endif
+#ifdef SYS_PCIE5_PHYS_ADDR
+       { SYS_PCIE5_PHYS_ADDR, SYS_PCIE5_PHYS_ADDR,
+         SYS_PCIE5_PHYS_SIZE,
+         PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+         PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
+       },
+#endif
+#ifdef SYS_PCIE6_PHYS_ADDR
+       { SYS_PCIE6_PHYS_ADDR, SYS_PCIE6_PHYS_ADDR,
+         SYS_PCIE6_PHYS_SIZE,
+         PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+         PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
+       },
 #endif
        { CONFIG_SYS_FSL_WRIOP1_BASE, CONFIG_SYS_FSL_WRIOP1_BASE,
          CONFIG_SYS_FSL_WRIOP1_SIZE,
@@ -266,6 +308,13 @@ static struct mm_region final_map[] = {
          PTE_BLOCK_MEMTYPE(MT_NORMAL) |
          PTE_BLOCK_OUTER_SHARE | PTE_BLOCK_NS
        },
+#ifdef CONFIG_SYS_FSL_DRAM_BASE3
+       { CONFIG_SYS_FSL_DRAM_BASE3, CONFIG_SYS_FSL_DRAM_BASE3,
+         CONFIG_SYS_FSL_DRAM_SIZE3,
+         PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+         PTE_BLOCK_OUTER_SHARE | PTE_BLOCK_NS
+       },
+#endif
 #elif defined(CONFIG_FSL_LSCH2)
        { CONFIG_SYS_FSL_BOOTROM_BASE, CONFIG_SYS_FSL_BOOTROM_BASE,
          CONFIG_SYS_FSL_BOOTROM_SIZE,
@@ -322,11 +371,13 @@ static struct mm_region final_map[] = {
          PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
          PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
        },
+#ifdef CONFIG_SYS_PCIE3_PHYS_ADDR
        { CONFIG_SYS_PCIE3_PHYS_ADDR, CONFIG_SYS_PCIE3_PHYS_ADDR,
          CONFIG_SYS_PCIE3_PHYS_SIZE,
          PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
          PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
        },
+#endif
        { CONFIG_SYS_FSL_DRAM_BASE3, CONFIG_SYS_FSL_DRAM_BASE3,
          CONFIG_SYS_FSL_DRAM_SIZE3,
          PTE_BLOCK_MEMTYPE(MT_NORMAL) |
@@ -352,6 +403,10 @@ void cpu_name(char *name)
        for (i = 0; i < ARRAY_SIZE(cpu_type_list); i++)
                if ((cpu_type_list[i].soc_ver & SVR_WO_E) == ver) {
                        strcpy(name, cpu_type_list[i].name);
+#ifdef CONFIG_ARCH_LX2160A
+                       if (IS_C_PROCESSOR(svr))
+                               strcat(name, "C");
+#endif
 
                        if (IS_E_PROCESSOR(svr))
                                strcat(name, "E");
@@ -365,7 +420,7 @@ void cpu_name(char *name)
                strcpy(name, "unknown");
 }
 
-#ifndef CONFIG_SYS_DCACHE_OFF
+#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
 /*
  * To start MMU before DDR is available, we create MMU table in SRAM.
  * The base address of SRAM is CONFIG_SYS_FSL_OCRAM_BASE. We use three
@@ -425,16 +480,20 @@ static void fix_pcie_mmu_map(void)
                                final_map[i].virt = 0x2800000000ULL;
                                final_map[i].size = 0x800000000ULL;
                                break;
+#ifdef CONFIG_SYS_PCIE3_PHYS_ADDR
                        case CONFIG_SYS_PCIE3_PHYS_ADDR:
                                final_map[i].phys = 0x3000000000ULL;
                                final_map[i].virt = 0x3000000000ULL;
                                final_map[i].size = 0x800000000ULL;
                                break;
+#endif
+#ifdef CONFIG_SYS_PCIE4_PHYS_ADDR
                        case CONFIG_SYS_PCIE4_PHYS_ADDR:
                                final_map[i].phys = 0x3800000000ULL;
                                final_map[i].virt = 0x3800000000ULL;
                                final_map[i].size = 0x800000000ULL;
                                break;
+#endif
                        default:
                                break;
                        }
@@ -588,20 +647,20 @@ void enable_caches(void)
        icache_enable();
        dcache_enable();
 }
-#endif /* CONFIG_SYS_DCACHE_OFF */
+#endif /* !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) */
 
 #ifdef CONFIG_TFABOOT
 enum boot_src __get_boot_src(u32 porsr1)
 {
        enum boot_src src = BOOT_SOURCE_RESERVED;
        u32 rcw_src = (porsr1 & RCW_SRC_MASK) >> RCW_SRC_BIT;
-#if !defined(CONFIG_FSL_LSCH3_2)
+#if !defined(CONFIG_NXP_LSCH3_2)
        u32 val;
 #endif
        debug("%s: rcw_src 0x%x\n", __func__, rcw_src);
 
 #if defined(CONFIG_FSL_LSCH3)
-#if defined(CONFIG_FSL_LSCH3_2)
+#if defined(CONFIG_NXP_LSCH3_2)
        switch (rcw_src) {
        case RCW_SRC_SDHC1_VAL:
                src = BOOT_SOURCE_SD_MMC;
@@ -654,7 +713,7 @@ enum boot_src __get_boot_src(u32 porsr1)
                        break;
                case RCW_SRC_EMMC_VAL:
                /* RCW SRC EMMC */
-                       src = BOOT_SOURCE_SD_MMC2;
+                       src = BOOT_SOURCE_SD_MMC;
                        break;
                case RCW_SRC_I2C1_VAL:
                /* RCW SRC I2C1 Extended */
@@ -693,23 +752,41 @@ enum boot_src __get_boot_src(u32 porsr1)
                }
        }
 #endif
+
+       if (CONFIG_IS_ENABLED(SYS_FSL_ERRATUM_A010539) && !rcw_src)
+               src = BOOT_SOURCE_QSPI_NOR;
+
        debug("%s: src 0x%x\n", __func__, src);
        return src;
 }
 
 enum boot_src get_boot_src(void)
 {
-       u32 porsr1;
+       struct pt_regs regs;
+       u32 porsr1 = 0;
 
 #if defined(CONFIG_FSL_LSCH3)
        u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE;
-
-       porsr1 = in_le32(dcfg_ccsr + DCFG_PORSR1 / 4);
 #elif defined(CONFIG_FSL_LSCH2)
        struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+#endif
+
+       if (current_el() == 2) {
+               regs.regs[0] = SIP_SVC_RCW;
 
-       porsr1 = in_be32(&gur->porsr1);
+               smc_call(&regs);
+               if (!regs.regs[0])
+                       porsr1 = regs.regs[1];
+       }
+
+       if (current_el() == 3 || !porsr1) {
+#ifdef CONFIG_FSL_LSCH3
+               porsr1 = in_le32(dcfg_ccsr + DCFG_PORSR1 / 4);
+#elif defined(CONFIG_FSL_LSCH2)
+               porsr1 = in_be32(&gur->porsr1);
 #endif
+       }
+
        debug("%s: porsr1 0x%x\n", __func__, porsr1);
 
        return __get_boot_src(porsr1);
@@ -744,12 +821,8 @@ enum env_location env_get_location(enum env_operation op, int prio)
        if (prio)
                return ENVL_UNKNOWN;
 
-#ifdef CONFIG_CHAIN_OF_TRUST
-       /* Check Boot Mode
-        * If Boot Mode is Secure, return ENVL_NOWHERE
-        */
-       if (fsl_check_boot_mode_secure() == 1)
-               goto done;
+#ifdef CONFIG_ENV_IS_NOWHERE
+       return env_loc;
 #endif
 
        switch (src) {
@@ -779,9 +852,6 @@ enum env_location env_get_location(enum env_operation op, int prio)
                break;
        }
 
-#ifdef CONFIG_CHAIN_OF_TRUST
-done:
-#endif
        return env_loc;
 }
 #endif /* CONFIG_TFABOOT */
@@ -1011,6 +1081,8 @@ static void config_core_prefetch(void)
 
        if (env_get_f("hwconfig", buffer, sizeof(buffer)) > 0)
                buf = buffer;
+       else
+               return;
 
        prefetch_arg = hwconfig_subarg_f("core_prefetch", "disable",
                                         &arglen, buf);
@@ -1035,6 +1107,12 @@ static void config_core_prefetch(void)
        }
 }
 
+#ifdef CONFIG_PCIE_ECAM_GENERIC
+__weak void set_ecam_icids(void)
+{
+}
+#endif
+
 int arch_early_init_r(void)
 {
 #ifdef CONFIG_SYS_FSL_ERRATUM_A009635
@@ -1058,20 +1136,39 @@ int arch_early_init_r(void)
                        printf("Did not wake secondary cores\n");
        }
 
-#ifdef CONFIG_SYS_FSL_HAS_RGMII
-       fsl_rgmii_init();
-#endif
-
        config_core_prefetch();
 
 #ifdef CONFIG_SYS_HAS_SERDES
        fsl_serdes_init();
 #endif
+#ifdef CONFIG_SYS_FSL_HAS_RGMII
+       /* some dpmacs in armv8a based freescale layerscape SOCs can be
+        * configured via both serdes(sgmii, xfi, xlaui etc) bits and via
+        * EC*_PMUX(rgmii) bits in RCW.
+        * e.g. dpmac 17 and 18 in LX2160A can be configured as SGMII from
+        * serdes bits and as RGMII via EC1_PMUX/EC2_PMUX bits
+        * Now if a dpmac is enabled by serdes bits then it takes precedence
+        * over EC*_PMUX bits. i.e. in LX2160A if we select serdes protocol
+        * that configures dpmac17 as SGMII and set the EC1_PMUX as RGMII,
+        * then the dpmac is SGMII and not RGMII.
+        *
+        * Therefore, move the fsl_rgmii_init after fsl_serdes_init. in
+        * fsl_rgmii_init function of SOC, we will check if the dpmac is enabled
+        * or not? if it is (fsl_serdes_init has already enabled the dpmac),
+        * then don't enable it.
+        */
+       fsl_rgmii_init();
+#endif
 #ifdef CONFIG_FMAN_ENET
+#ifndef CONFIG_DM_ETH
        fman_enet_init();
 #endif
+#endif
 #ifdef CONFIG_SYS_DPAA_QBMAN
        setup_qbman_portals();
+#endif
+#ifdef CONFIG_PCIE_ECAM_GENERIC
+       set_ecam_icids();
 #endif
        return 0;
 }
@@ -1082,7 +1179,8 @@ int timer_init(void)
 #ifdef CONFIG_FSL_LSCH3
        u32 __iomem *cltbenr = (u32 *)CONFIG_SYS_FSL_PMU_CLTBENR;
 #endif
-#if defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A)
+#if defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A) || \
+       defined(CONFIG_ARCH_LS1028A)
        u32 __iomem *pctbenr = (u32 *)FSL_PMU_PCTBENR_OFFSET;
        u32 svr_dev_id;
 #endif
@@ -1101,7 +1199,8 @@ int timer_init(void)
        out_le32(cltbenr, 0xf);
 #endif
 
-#if defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A)
+#if defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A) || \
+       defined(CONFIG_ARCH_LS1028A)
        /*
         * In certain Layerscape SoCs, the clock for each core's
         * has an enable bit in the PMU Physical Core Time Base Enable
@@ -1132,13 +1231,19 @@ void __efi_runtime reset_cpu(ulong addr)
 {
        u32 val;
 
+#ifdef CONFIG_ARCH_LX2160A
+       val = in_le32(rstcr);
+       val |= 0x01;
+       out_le32(rstcr, val);
+#else
        /* Raise RESET_REQ_B */
        val = scfg_in32(rstcr);
        val |= 0x02;
        scfg_out32(rstcr, val);
+#endif
 }
 
-#ifdef CONFIG_EFI_LOADER
+#if defined(CONFIG_EFI_LOADER) && !defined(CONFIG_PSCI_RESET)
 
 void __efi_runtime EFIAPI efi_reset_system(
                       enum efi_reset_type reset_type,
@@ -1280,7 +1385,7 @@ static int tfa_dram_init_banksize(void)
        if (i > 0)
                ret = 0;
 
-#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
+#if defined(CONFIG_RESV_RAM) && !defined(CONFIG_SPL_BUILD)
        /* Assign memory for MC */
 #ifdef CONFIG_SYS_DDR_BLOCK3_BASE
        if (gd->bd->bi_dram[2].size >=
@@ -1303,7 +1408,7 @@ static int tfa_dram_init_banksize(void)
                                board_reserve_ram_top(gd->bd->bi_dram[0].size);
                }
        }
-#endif /* CONFIG_FSL_MC_ENET */
+#endif /* CONFIG_RESV_RAM */
 
        return ret;
 }
@@ -1366,7 +1471,7 @@ int dram_init_banksize(void)
        }
 #endif /* CONFIG_SYS_MEM_RESERVE_SECURE */
 
-#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
+#if defined(CONFIG_RESV_RAM) && !defined(CONFIG_SPL_BUILD)
        /* Assign memory for MC */
 #ifdef CONFIG_SYS_DDR_BLOCK3_BASE
        if (gd->bd->bi_dram[2].size >=
@@ -1389,7 +1494,7 @@ int dram_init_banksize(void)
                                board_reserve_ram_top(gd->bd->bi_dram[0].size);
                }
        }
-#endif /* CONFIG_FSL_MC_ENET */
+#endif /* CONFIG_RESV_RAM */
 
 #ifdef CONFIG_SYS_DP_DDR_BASE_PHY
 #ifdef CONFIG_SYS_DDR_BLOCK3_BASE
@@ -1428,9 +1533,8 @@ int dram_init_banksize(void)
 void efi_add_known_memory(void)
 {
        int i;
-       phys_addr_t ram_start, start;
+       phys_addr_t ram_start;
        phys_size_t ram_size;
-       u64 pages;
 
        /* Add RAM */
        for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
@@ -1448,11 +1552,8 @@ void efi_add_known_memory(void)
                    gd->arch.resv_ram < ram_start + ram_size)
                        ram_size = gd->arch.resv_ram - ram_start;
 #endif
-               start = (ram_start + EFI_PAGE_MASK) & ~EFI_PAGE_MASK;
-               pages = (ram_size + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT;
-
-               efi_add_memory_map(start, pages, EFI_CONVENTIONAL_MEMORY,
-                                  false);
+               efi_add_memory_map(ram_start, ram_size,
+                                  EFI_CONVENTIONAL_MEMORY);
        }
 }
 #endif
@@ -1533,3 +1634,17 @@ __weak int dram_init(void)
 
        return 0;
 }
+
+#ifdef CONFIG_ARCH_MISC_INIT
+__weak int serdes_misc_init(void)
+{
+       return 0;
+}
+
+int arch_misc_init(void)
+{
+       serdes_misc_init();
+
+       return 0;
+}
+#endif