Merge branch 'master' of git://git.denx.de/u-boot-i2c
[oweals/u-boot.git] / arch / arm / cpu / armv8 / fsl-layerscape / soc.c
index a3b9f6baa45fe51c65bda576997702bb27443c4a..06f3edb302816345bed5a3f4db54a049dedb0e4a 100644 (file)
@@ -1,19 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2014-2015 Freescale Semiconductor
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
 #include <fsl_immap.h>
 #include <fsl_ifc.h>
-#include <ahci.h>
-#include <scsi.h>
 #include <asm/arch/fsl_serdes.h>
 #include <asm/arch/soc.h>
 #include <asm/io.h>
 #include <asm/global_data.h>
 #include <asm/arch-fsl-layerscape/config.h>
+#include <asm/arch-fsl-layerscape/ns_access.h>
+#include <asm/arch-fsl-layerscape/fsl_icid.h>
 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
 #include <fsl_csu.h>
 #endif
 #include <fsl_validate.h>
 #endif
 #include <fsl_immap.h>
-
+#ifdef CONFIG_TFABOOT
+#include <environment.h>
 DECLARE_GLOBAL_DATA_PTR;
+#endif
 
 bool soc_has_dp_ddr(void)
 {
@@ -54,6 +55,122 @@ bool soc_has_aiop(void)
        return false;
 }
 
+static inline void set_usb_txvreftune(u32 __iomem *scfg, u32 offset)
+{
+       scfg_clrsetbits32(scfg + offset / 4,
+                       0xF << 6,
+                       SCFG_USB_TXVREFTUNE << 6);
+}
+
+static void erratum_a009008(void)
+{
+#ifdef CONFIG_SYS_FSL_ERRATUM_A009008
+       u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
+
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
+       defined(CONFIG_ARCH_LS1012A)
+       set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB1);
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
+       set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB2);
+       set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB3);
+#endif
+#elif defined(CONFIG_ARCH_LS2080A)
+       set_usb_txvreftune(scfg, SCFG_USB3PRM1CR);
+#endif
+#endif /* CONFIG_SYS_FSL_ERRATUM_A009008 */
+}
+
+static inline void set_usb_sqrxtune(u32 __iomem *scfg, u32 offset)
+{
+       scfg_clrbits32(scfg + offset / 4,
+                       SCFG_USB_SQRXTUNE_MASK << 23);
+}
+
+static void erratum_a009798(void)
+{
+#ifdef CONFIG_SYS_FSL_ERRATUM_A009798
+       u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
+
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
+       defined(CONFIG_ARCH_LS1012A)
+       set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR_USB1);
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
+       set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR_USB2);
+       set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR_USB3);
+#endif
+#elif defined(CONFIG_ARCH_LS2080A)
+       set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR);
+#endif
+#endif /* CONFIG_SYS_FSL_ERRATUM_A009798 */
+}
+
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
+       defined(CONFIG_ARCH_LS1012A)
+static inline void set_usb_pcstxswingfull(u32 __iomem *scfg, u32 offset)
+{
+       scfg_clrsetbits32(scfg + offset / 4,
+                       0x7F << 9,
+                       SCFG_USB_PCSTXSWINGFULL << 9);
+}
+#endif
+
+static void erratum_a008997(void)
+{
+#ifdef CONFIG_SYS_FSL_ERRATUM_A008997
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
+       defined(CONFIG_ARCH_LS1012A)
+       u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
+
+       set_usb_pcstxswingfull(scfg, SCFG_USB3PRM2CR_USB1);
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
+       set_usb_pcstxswingfull(scfg, SCFG_USB3PRM2CR_USB2);
+       set_usb_pcstxswingfull(scfg, SCFG_USB3PRM2CR_USB3);
+#endif
+#endif
+#endif /* CONFIG_SYS_FSL_ERRATUM_A008997 */
+}
+
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
+       defined(CONFIG_ARCH_LS1012A)
+
+#define PROGRAM_USB_PHY_RX_OVRD_IN_HI(phy)     \
+       out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_1);      \
+       out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_2);      \
+       out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_3);      \
+       out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_4)
+
+#elif defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A)
+
+#define PROGRAM_USB_PHY_RX_OVRD_IN_HI(phy)     \
+       out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_1); \
+       out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_2); \
+       out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_3); \
+       out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_4)
+
+#endif
+
+static void erratum_a009007(void)
+{
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
+       defined(CONFIG_ARCH_LS1012A)
+       void __iomem *usb_phy = (void __iomem *)SCFG_USB_PHY1;
+
+       PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
+       usb_phy = (void __iomem *)SCFG_USB_PHY2;
+       PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
+
+       usb_phy = (void __iomem *)SCFG_USB_PHY3;
+       PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
+#endif
+#elif defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A)
+       void __iomem *dcsr = (void __iomem *)DCSR_BASE;
+
+       PROGRAM_USB_PHY_RX_OVRD_IN_HI(dcsr + DCSR_USB_PHY1);
+       PROGRAM_USB_PHY_RX_OVRD_IN_HI(dcsr + DCSR_USB_PHY2);
+#endif /* CONFIG_SYS_FSL_ERRATUM_A009007 */
+}
+
 #if defined(CONFIG_FSL_LSCH3)
 /*
  * This erratum requires setting a value to eddrtqcr1 to
@@ -157,8 +274,8 @@ static void erratum_rcw_src(void)
 #ifdef CONFIG_SYS_FSL_ERRATUM_A009203
 static void erratum_a009203(void)
 {
-       u8 __iomem *ptr;
 #ifdef CONFIG_SYS_I2C
+       u8 __iomem *ptr;
 #ifdef I2C1_BASE_ADDR
        ptr = (u8 __iomem *)(I2C1_BASE_ADDR + I2C_DEBUG_REG);
 
@@ -194,12 +311,18 @@ void bypass_smmu(void)
 void fsl_lsch3_early_init_f(void)
 {
        erratum_rcw_src();
+#ifdef CONFIG_FSL_IFC
        init_early_memctl_regs();       /* tighten IFC timing */
+#endif
 #ifdef CONFIG_SYS_FSL_ERRATUM_A009203
        erratum_a009203();
 #endif
        erratum_a008514();
        erratum_a008336();
+       erratum_a009008();
+       erratum_a009798();
+       erratum_a008997();
+       erratum_a009007();
 #ifdef CONFIG_CHAIN_OF_TRUST
        /* In case of Secure Boot, the IBR configures the SMMU
        * to allow only Secure transactions.
@@ -211,46 +334,46 @@ void fsl_lsch3_early_init_f(void)
 #endif
 }
 
-#ifdef CONFIG_SCSI_AHCI_PLAT
-int sata_init(void)
+/* Get VDD in the unit mV from voltage ID */
+int get_core_volt_from_fuse(void)
 {
-       struct ccsr_ahci __iomem *ccsr_ahci;
-
-       ccsr_ahci  = (void *)CONFIG_SYS_SATA2;
-       out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG);
-       out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG);
-       out_le32(&ccsr_ahci->axicc, AHCI_PORT_AXICC_CFG);
-
-       ccsr_ahci  = (void *)CONFIG_SYS_SATA1;
-       out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG);
-       out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG);
-       out_le32(&ccsr_ahci->axicc, AHCI_PORT_AXICC_CFG);
+       struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+       int vdd;
+       u32 fusesr;
+       u8 vid;
 
-       ahci_init((void __iomem *)CONFIG_SYS_SATA1);
-       scsi_scan(false);
+       /* get the voltage ID from fuse status register */
+       fusesr = in_le32(&gur->dcfg_fusesr);
+       debug("%s: fusesr = 0x%x\n", __func__, fusesr);
+       vid = (fusesr >> FSL_CHASSIS3_DCFG_FUSESR_ALTVID_SHIFT) &
+               FSL_CHASSIS3_DCFG_FUSESR_ALTVID_MASK;
+       if ((vid == 0) || (vid == FSL_CHASSIS3_DCFG_FUSESR_ALTVID_MASK)) {
+               vid = (fusesr >> FSL_CHASSIS3_DCFG_FUSESR_VID_SHIFT) &
+                       FSL_CHASSIS3_DCFG_FUSESR_VID_MASK;
+       }
+       debug("%s: VID = 0x%x\n", __func__, vid);
+       switch (vid) {
+       case 0x00: /* VID isn't supported */
+               vdd = -EINVAL;
+               debug("%s: The VID feature is not supported\n", __func__);
+               break;
+       case 0x08: /* 0.9V silicon */
+               vdd = 900;
+               break;
+       case 0x10: /* 1.0V silicon */
+               vdd = 1000;
+               break;
+       default:  /* Other core voltage */
+               vdd = -EINVAL;
+               debug("%s: The VID(%x) isn't supported\n", __func__, vid);
+               break;
+       }
+       debug("%s: The required minimum volt of CORE is %dmV\n", __func__, vdd);
 
-       return 0;
+       return vdd;
 }
-#endif
 
 #elif defined(CONFIG_FSL_LSCH2)
-#ifdef CONFIG_SCSI_AHCI_PLAT
-int sata_init(void)
-{
-       struct ccsr_ahci __iomem *ccsr_ahci = (void *)CONFIG_SYS_SATA;
-
-       /* Disable SATA ECC */
-       out_le32((void *)CONFIG_SYS_DCSR_DCFG_ADDR + 0x520, 0x80000000);
-       out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG);
-       out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG);
-       out_le32(&ccsr_ahci->axicc, AHCI_PORT_AXICC_CFG);
-
-       ahci_init((void __iomem *)CONFIG_SYS_SATA);
-       scsi_scan(false);
-
-       return 0;
-}
-#endif
 
 static void erratum_a009929(void)
 {
@@ -349,6 +472,7 @@ static void erratum_a010539(void)
        porsr1 &= ~FSL_CHASSIS2_CCSR_PORSR1_RCW_MASK;
        out_be32((void *)(CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_PORCR1),
                 porsr1);
+       out_be32((void *)(CONFIG_SYS_FSL_SCFG_ADDR + 0x1a8), 0xffffffff);
 #endif
 }
 
@@ -441,6 +565,29 @@ int setup_chip_volt(void)
        return 0;
 }
 
+#ifdef CONFIG_FSL_PFE
+void init_pfe_scfg_dcfg_regs(void)
+{
+       struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
+       u32 ecccr2;
+
+       out_be32(&scfg->pfeasbcr,
+                in_be32(&scfg->pfeasbcr) | SCFG_PFEASBCR_AWCACHE0);
+       out_be32(&scfg->pfebsbcr,
+                in_be32(&scfg->pfebsbcr) | SCFG_PFEASBCR_AWCACHE0);
+
+       /* CCI-400 QoS settings for PFE */
+       out_be32(&scfg->wr_qos1, (unsigned int)(SCFG_WR_QOS1_PFE1_QOS
+                | SCFG_WR_QOS1_PFE2_QOS));
+       out_be32(&scfg->rd_qos1, (unsigned int)(SCFG_RD_QOS1_PFE1_QOS
+                | SCFG_RD_QOS1_PFE2_QOS));
+
+       ecccr2 = in_be32(CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_ECCCR2);
+       out_be32((void *)CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_ECCCR2,
+                ecccr2 | (unsigned int)DISABLE_PFE_ECC);
+}
+#endif
+
 void fsl_lsch2_early_init_f(void)
 {
        struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
@@ -473,11 +620,27 @@ void fsl_lsch2_early_init_f(void)
                         CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
        }
 
+       /*
+        * Program Central Security Unit (CSU) to grant access
+        * permission for USB 2.0 controller
+        */
+#if defined(CONFIG_ARCH_LS1012A) && defined(CONFIG_USB_EHCI_FSL)
+       if (current_el() == 3)
+               set_devices_ns_access(CSU_CSLX_USB_2, CSU_ALL_RW);
+#endif
        /* Erratum */
        erratum_a008850_early(); /* part 1 of 2 */
        erratum_a009929();
        erratum_a009660();
        erratum_a010539();
+       erratum_a009008();
+       erratum_a009798();
+       erratum_a008997();
+       erratum_a009007();
+
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
+       set_icids();
+#endif
 }
 #endif
 
@@ -520,15 +683,147 @@ int qspi_ahb_init(void)
 }
 #endif
 
+#ifdef CONFIG_TFABOOT
+#define MAX_BOOTCMD_SIZE       512
+
+int fsl_setenv_bootcmd(void)
+{
+       int ret;
+       enum boot_src src = get_boot_src();
+       char bootcmd_str[MAX_BOOTCMD_SIZE];
+
+       switch (src) {
+#ifdef IFC_NOR_BOOTCOMMAND
+       case BOOT_SOURCE_IFC_NOR:
+               sprintf(bootcmd_str, IFC_NOR_BOOTCOMMAND);
+               break;
+#endif
+#ifdef QSPI_NOR_BOOTCOMMAND
+       case BOOT_SOURCE_QSPI_NOR:
+               sprintf(bootcmd_str, QSPI_NOR_BOOTCOMMAND);
+               break;
+#endif
+#ifdef XSPI_NOR_BOOTCOMMAND
+       case BOOT_SOURCE_XSPI_NOR:
+               sprintf(bootcmd_str, XSPI_NOR_BOOTCOMMAND);
+               break;
+#endif
+#ifdef IFC_NAND_BOOTCOMMAND
+       case BOOT_SOURCE_IFC_NAND:
+               sprintf(bootcmd_str, IFC_NAND_BOOTCOMMAND);
+               break;
+#endif
+#ifdef QSPI_NAND_BOOTCOMMAND
+       case BOOT_SOURCE_QSPI_NAND:
+               sprintf(bootcmd_str, QSPI_NAND_BOOTCOMMAND);
+               break;
+#endif
+#ifdef XSPI_NAND_BOOTCOMMAND
+       case BOOT_SOURCE_XSPI_NAND:
+               sprintf(bootcmd_str, XSPI_NAND_BOOTCOMMAND);
+               break;
+#endif
+#ifdef SD_BOOTCOMMAND
+       case BOOT_SOURCE_SD_MMC:
+               sprintf(bootcmd_str, SD_BOOTCOMMAND);
+               break;
+#endif
+#ifdef SD2_BOOTCOMMAND
+       case BOOT_SOURCE_SD_MMC2:
+               sprintf(bootcmd_str, SD2_BOOTCOMMAND);
+               break;
+#endif
+       default:
+#ifdef QSPI_NOR_BOOTCOMMAND
+               sprintf(bootcmd_str, QSPI_NOR_BOOTCOMMAND);
+#endif
+               break;
+       }
+
+       ret = env_set("bootcmd", bootcmd_str);
+       if (ret) {
+               printf("Failed to set bootcmd: ret = %d\n", ret);
+               return ret;
+       }
+       return 0;
+}
+
+int fsl_setenv_mcinitcmd(void)
+{
+       int ret = 0;
+       enum boot_src src = get_boot_src();
+
+       switch (src) {
+#ifdef IFC_MC_INIT_CMD
+       case BOOT_SOURCE_IFC_NAND:
+       case BOOT_SOURCE_IFC_NOR:
+       ret = env_set("mcinitcmd", IFC_MC_INIT_CMD);
+               break;
+#endif
+#ifdef QSPI_MC_INIT_CMD
+       case BOOT_SOURCE_QSPI_NAND:
+       case BOOT_SOURCE_QSPI_NOR:
+       ret = env_set("mcinitcmd", QSPI_MC_INIT_CMD);
+               break;
+#endif
+#ifdef XSPI_MC_INIT_CMD
+       case BOOT_SOURCE_XSPI_NAND:
+       case BOOT_SOURCE_XSPI_NOR:
+       ret = env_set("mcinitcmd", XSPI_MC_INIT_CMD);
+               break;
+#endif
+#ifdef SD_MC_INIT_CMD
+       case BOOT_SOURCE_SD_MMC:
+       ret = env_set("mcinitcmd", SD_MC_INIT_CMD);
+               break;
+#endif
+#ifdef SD2_MC_INIT_CMD
+       case BOOT_SOURCE_SD_MMC2:
+       ret = env_set("mcinitcmd", SD2_MC_INIT_CMD);
+               break;
+#endif
+       default:
+#ifdef QSPI_MC_INIT_CMD
+       ret = env_set("mcinitcmd", QSPI_MC_INIT_CMD);
+#endif
+               break;
+       }
+
+       if (ret) {
+               printf("Failed to set mcinitcmd: ret = %d\n", ret);
+               return ret;
+       }
+       return 0;
+}
+#endif
+
 #ifdef CONFIG_BOARD_LATE_INIT
 int board_late_init(void)
 {
-#ifdef CONFIG_SCSI_AHCI_PLAT
-       sata_init();
-#endif
 #ifdef CONFIG_CHAIN_OF_TRUST
        fsl_setenv_chain_of_trust();
 #endif
+#ifdef CONFIG_TFABOOT
+       /*
+        * check if gd->env_addr is default_environment; then setenv bootcmd
+        * and mcinitcmd.
+        */
+       if (gd->env_addr + gd->reloc_off == (ulong)&default_environment[0]) {
+               fsl_setenv_bootcmd();
+               fsl_setenv_mcinitcmd();
+       }
+
+       /*
+        * If the boot mode is secure, default environment is not present then
+        * setenv command needs to be run by default
+        */
+#ifdef CONFIG_CHAIN_OF_TRUST
+       if ((fsl_check_boot_mode_secure() == 1)) {
+               fsl_setenv_bootcmd();
+               fsl_setenv_mcinitcmd();
+       }
+#endif
+#endif
 #ifdef CONFIG_QSPI_AHB_INIT
        qspi_ahb_init();
 #endif