common: Move hang() to the same header as panic()
[oweals/u-boot.git] / board / freescale / ls1012ardb / ls1012ardb.c
index f69768d24e98f7848655d20332077b05614cfbdd..0f665c7bc68fa94445c14d7c05ab1532ddb5a22b 100644 (file)
@@ -1,43 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2016 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
+#include <fdt_support.h>
+#include <hang.h>
 #include <i2c.h>
 #include <asm/io.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/fsl_serdes.h>
+#ifdef CONFIG_FSL_LS_PPA
+#include <asm/arch/ppa.h>
+#endif
+#include <asm/arch/mmu.h>
 #include <asm/arch/soc.h>
 #include <hwconfig.h>
 #include <ahci.h>
 #include <mmc.h>
 #include <scsi.h>
-#include <fsl_csu.h>
 #include <fsl_esdhc.h>
-#include <environment.h>
+#include <env_internal.h>
 #include <fsl_mmdc.h>
 #include <netdev.h>
+#include <fsl_sec.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-static void set_wait_for_bits_clear(void *ptr, u32 value, u32 bits)
-{
-       int timeout = 1000;
-
-       out_be32(ptr, value);
-
-       while (in_be32(ptr) & bits) {
-               udelay(100);
-               timeout--;
-       }
-       if (timeout <= 0)
-               puts("Error: wait for clear timeout.\n");
-}
+#define BOOT_FROM_UPPER_BANK   0x2
+#define BOOT_FROM_LOWER_BANK   0x1
 
 int checkboard(void)
 {
+#ifdef CONFIG_TARGET_LS1012ARDB
        u8 in1;
 
        puts("Board: LS1012ARDB ");
@@ -45,147 +40,97 @@ int checkboard(void)
        /* Initialize i2c early for Serial flash bank information */
        i2c_set_bus_num(0);
 
-       if (i2c_read(I2C_MUX_IO1_ADDR, 1, 1, &in1, 1) < 0) {
+       if (i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_1, 1, &in1, 1) < 0) {
                printf("Error reading i2c boot information!\n");
                return 0; /* Don't want to hang() on this error */
        }
 
        puts("Version");
-       if ((in1 & (~__SW_REV_MASK)) == __SW_REV_A)
+       switch (in1 & SW_REV_MASK) {
+       case SW_REV_A:
                puts(": RevA");
-       else if ((in1 & (~__SW_REV_MASK)) == __SW_REV_B)
+               break;
+       case SW_REV_B:
                puts(": RevB");
-       else
+               break;
+       case SW_REV_C:
+               puts(": RevC");
+               break;
+       case SW_REV_C1:
+               puts(": RevC1");
+               break;
+       case SW_REV_C2:
+               puts(": RevC2");
+               break;
+       case SW_REV_D:
+               puts(": RevD");
+               break;
+       case SW_REV_E:
+               puts(": RevE");
+               break;
+       default:
                puts(": unknown");
+               break;
+       }
 
        printf(", boot from QSPI");
-       if ((in1 & (~__SW_BOOT_MASK)) == __SW_BOOT_EMU)
+       if ((in1 & SW_BOOT_MASK) == SW_BOOT_EMU)
                puts(": emu\n");
-       else if ((in1 & (~__SW_BOOT_MASK)) == __SW_BOOT_BANK1)
+       else if ((in1 & SW_BOOT_MASK) == SW_BOOT_BANK1)
                puts(": bank1\n");
-       else if ((in1 & (~__SW_BOOT_MASK)) == __SW_BOOT_BANK2)
+       else if ((in1 & SW_BOOT_MASK) == SW_BOOT_BANK2)
                puts(": bank2\n");
        else
                puts("unknown\n");
+#else
 
+       puts("Board: LS1012A2G5RDB ");
+#endif
        return 0;
 }
 
-void mmdc_init(void)
+#ifdef CONFIG_TFABOOT
+int dram_init(void)
 {
-       struct mmdc_p_regs *mmdc =
-               (struct mmdc_p_regs *)CONFIG_SYS_FSL_DDR_ADDR;
-
-       out_be32(&mmdc->mdscr, CONFIGURATION_REQ);
-
-       /* configure timing parms */
-       out_be32(&mmdc->mdotc,  CONFIG_SYS_MMDC_CORE_ODT_TIMING);
-       out_be32(&mmdc->mdcfg0, CONFIG_SYS_MMDC_CORE_TIMING_CFG_0);
-       out_be32(&mmdc->mdcfg1, CONFIG_SYS_MMDC_CORE_TIMING_CFG_1);
-       out_be32(&mmdc->mdcfg2, CONFIG_SYS_MMDC_CORE_TIMING_CFG_2);
-
-       /* other parms  */
-       out_be32(&mmdc->mdmisc,    CONFIG_SYS_MMDC_CORE_MISC);
-       out_be32(&mmdc->mpmur0,    CONFIG_SYS_MMDC_PHY_MEASURE_UNIT);
-       out_be32(&mmdc->mdrwd,     CONFIG_SYS_MMDC_CORE_RDWR_CMD_DELAY);
-       out_be32(&mmdc->mpodtctrl, CONFIG_SYS_MMDC_PHY_ODT_CTRL);
-
-       /* out of reset delays */
-       out_be32(&mmdc->mdor,  CONFIG_SYS_MMDC_CORE_OUT_OF_RESET_DELAY);
-
-       /* physical parms */
-       out_be32(&mmdc->mdctl, CONFIG_SYS_MMDC_CORE_CONTROL_1);
-       out_be32(&mmdc->mdasp, CONFIG_SYS_MMDC_CORE_ADDR_PARTITION);
-
-       /* Enable MMDC */
-       out_be32(&mmdc->mdctl, CONFIG_SYS_MMDC_CORE_CONTROL_2);
-
-       /* dram init sequence: update MRs */
-       out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x8) | CONFIGURATION_REQ |
-                               CMD_LOAD_MODE_REG | CMD_BANK_ADDR_2));
-       out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | CMD_LOAD_MODE_REG |
-                               CMD_BANK_ADDR_3));
-       out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ |
-                               CMD_LOAD_MODE_REG | CMD_BANK_ADDR_1));
-       out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x19) |
-                               CMD_ADDR_LSB_MR_ADDR(0x30) | CONFIGURATION_REQ |
-                               CMD_LOAD_MODE_REG | CMD_BANK_ADDR_0));
-
-       /* dram init sequence: ZQCL */
-       out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x4) | CONFIGURATION_REQ |
-                               CMD_ZQ_CALIBRATION | CMD_BANK_ADDR_0));
-       set_wait_for_bits_clear(&mmdc->mpzqhwctrl,
-                               CONFIG_SYS_MMDC_PHY_ZQ_HW_CTRL,
-                               FORCE_ZQ_AUTO_CALIBRATION);
-
-       /* Calibrations now: wr lvl */
-       out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x84) |
-                               CONFIGURATION_REQ | CMD_LOAD_MODE_REG |
-                               CMD_BANK_ADDR_1));
-       out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | WL_EN | CMD_NORMAL));
-       set_wait_for_bits_clear(&mmdc->mpwlgcr, WR_LVL_HW_EN, WR_LVL_HW_EN);
-
-       mdelay(1);
-
-       out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ |
-                               CMD_LOAD_MODE_REG | CMD_BANK_ADDR_1));
-       out_be32(&mmdc->mdscr, CONFIGURATION_REQ);
-
-       mdelay(1);
-
-       /* Calibrations now: Read DQS gating calibration */
-       out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x4) | CONFIGURATION_REQ |
-                               CMD_PRECHARGE_BANK_OPEN | CMD_BANK_ADDR_0));
-       out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ |
-                               CMD_LOAD_MODE_REG | CMD_BANK_ADDR_3));
-       out_be32(&mmdc->mppdcmpr2, MPR_COMPARE_EN);
-       out_be32(&mmdc->mprddlctl, CONFIG_SYS_MMDC_PHY_RD_DLY_LINES_CFG);
-       set_wait_for_bits_clear(&mmdc->mpdgctrl0,
-                               AUTO_RD_DQS_GATING_CALIBRATION_EN,
-                               AUTO_RD_DQS_GATING_CALIBRATION_EN);
-
-       out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | CMD_LOAD_MODE_REG |
-                               CMD_BANK_ADDR_3));
-
-       /* Calibrations now: Read calibration */
-       out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x4) | CONFIGURATION_REQ |
-                               CMD_PRECHARGE_BANK_OPEN | CMD_BANK_ADDR_0));
-       out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ |
-                               CMD_LOAD_MODE_REG | CMD_BANK_ADDR_3));
-       out_be32(&mmdc->mppdcmpr2,  MPR_COMPARE_EN);
-       set_wait_for_bits_clear(&mmdc->mprddlhwctl,
-                               AUTO_RD_CALIBRATION_EN,
-                               AUTO_RD_CALIBRATION_EN);
-
-       out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | CMD_LOAD_MODE_REG |
-                               CMD_BANK_ADDR_3));
-
-       /* PD, SR */
-       out_be32(&mmdc->mdpdc, CONFIG_SYS_MMDC_CORE_PWR_DOWN_CTRL);
-       out_be32(&mmdc->mapsr, CONFIG_SYS_MMDC_CORE_PWR_SAV_CTRL_STAT);
-
-       /* refresh scheme */
-       set_wait_for_bits_clear(&mmdc->mdref,
-                               CONFIG_SYS_MMDC_CORE_REFRESH_CTL,
-                               START_REFRESH);
-
-       /* disable CON_REQ */
-       out_be32(&mmdc->mdscr, DISABLE_CFG_REQ);
-}
+       gd->ram_size = tfa_get_dram_size();
+       if (!gd->ram_size)
+               gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
 
+       return 0;
+}
+#else
 int dram_init(void)
 {
-       mmdc_init();
+#ifndef CONFIG_TFABOOT
+       static const struct fsl_mmdc_info mparam = {
+               0x05180000,     /* mdctl */
+               0x00030035,     /* mdpdc */
+               0x12554000,     /* mdotc */
+               0xbabf7954,     /* mdcfg0 */
+               0xdb328f64,     /* mdcfg1 */
+               0x01ff00db,     /* mdcfg2 */
+               0x00001680,     /* mdmisc */
+               0x0f3c8000,     /* mdref */
+               0x00002000,     /* mdrwd */
+               0x00bf1023,     /* mdor */
+               0x0000003f,     /* mdasp */
+               0x0000022a,     /* mpodtctrl */
+               0xa1390003,     /* mpzqhwctrl */
+       };
+
+       mmdc_init(&mparam);
+#endif
 
        gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+#if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
+       /* This will break-before-make MMU for DDR */
+       update_early_mmu_table();
+#endif
 
        return 0;
 }
+#endif
 
-int board_eth_init(bd_t *bis)
-{
-       return pci_eth_init(bis);
-}
 
 int board_early_init_f(void)
 {
@@ -196,23 +141,86 @@ int board_early_init_f(void)
 
 int board_init(void)
 {
-       struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
+       struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
+                                       CONFIG_SYS_CCI400_OFFSET);
        /*
         * Set CCI-400 control override register to enable barrier
         * transaction
         */
-       out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
+       if (current_el() == 3)
+               out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
+
+#ifdef CONFIG_SYS_FSL_ERRATUM_A010315
+       erratum_a010315();
+#endif
 
 #ifdef CONFIG_ENV_IS_NOWHERE
        gd->env_addr = (ulong)&default_environment[0];
 #endif
 
-#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
-       enable_layerscape_ns_access();
+#ifdef CONFIG_FSL_CAAM
+       sec_init();
 #endif
 
+#ifdef CONFIG_FSL_LS_PPA
+       ppa_init();
+#endif
+       return 0;
+}
+
+#ifdef CONFIG_TARGET_LS1012ARDB
+int esdhc_status_fixup(void *blob, const char *compat)
+{
+       char esdhc1_path[] = "/soc/esdhc@1580000";
+       bool sdhc2_en = false;
+       u8 mux_sdhc2;
+       u8 io = 0;
+
+       i2c_set_bus_num(0);
+
+       /* IO1[7:3] is the field of board revision info. */
+       if (i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_1, 1, &io, 1) < 0) {
+               printf("Error reading i2c boot information!\n");
+               return 0;
+       }
+
+       /* hwconfig method is used for RevD and later versions. */
+       if ((io & SW_REV_MASK) <= SW_REV_D) {
+#ifdef CONFIG_HWCONFIG
+               if (hwconfig("esdhc1"))
+                       sdhc2_en = true;
+#endif
+       } else {
+               /*
+                * The I2C IO-expander for mux select is used to control
+                * the muxing of various onboard interfaces.
+                *
+                * IO0[3:2] indicates SDHC2 interface demultiplexer
+                * select lines.
+                *      00 - SDIO wifi
+                *      01 - GPIO (to Arduino)
+                *      10 - eMMC Memory
+                *      11 - SPI
+                */
+               if (i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_0, 1, &io, 1) < 0) {
+                       printf("Error reading i2c boot information!\n");
+                       return 0;
+               }
+
+               mux_sdhc2 = (io & 0x0c) >> 2;
+               /* Enable SDHC2 only when use SDIO wifi and eMMC */
+               if (mux_sdhc2 == 2 || mux_sdhc2 == 0)
+                       sdhc2_en = true;
+       }
+       if (sdhc2_en)
+               do_fixup_by_path(blob, esdhc1_path, "status", "okay",
+                                sizeof("okay"), 1);
+       else
+               do_fixup_by_path(blob, esdhc1_path, "status", "disabled",
+                                sizeof("disabled"), 1);
        return 0;
 }
+#endif
 
 int ft_board_setup(void *blob, bd_t *bd)
 {
@@ -222,3 +230,85 @@ int ft_board_setup(void *blob, bd_t *bd)
 
        return 0;
 }
+
+static int switch_to_bank1(void)
+{
+       u8 data;
+       int ret;
+
+       i2c_set_bus_num(0);
+
+       data = 0xf4;
+       ret = i2c_write(0x24, 0x3, 1, &data, 1);
+       if (ret) {
+               printf("i2c write error to chip : %u, addr : %u, data : %u\n",
+                      0x24, 0x3, data);
+       }
+
+       return ret;
+}
+
+static int switch_to_bank2(void)
+{
+       u8 data;
+       int ret;
+
+       i2c_set_bus_num(0);
+
+       data = 0xfc;
+       ret = i2c_write(0x24, 0x7, 1, &data, 1);
+       if (ret) {
+               printf("i2c write error to chip : %u, addr : %u, data : %u\n",
+                      0x24, 0x7, data);
+               goto err;
+       }
+
+       data = 0xf5;
+       ret = i2c_write(0x24, 0x3, 1, &data, 1);
+       if (ret) {
+               printf("i2c write error to chip : %u, addr : %u, data : %u\n",
+                      0x24, 0x3, data);
+       }
+err:
+       return ret;
+}
+
+static int convert_flash_bank(int bank)
+{
+       int ret = 0;
+
+       switch (bank) {
+       case BOOT_FROM_UPPER_BANK:
+               ret = switch_to_bank2();
+               break;
+       case BOOT_FROM_LOWER_BANK:
+               ret = switch_to_bank1();
+               break;
+       default:
+               ret = CMD_RET_USAGE;
+               break;
+       };
+
+       return ret;
+}
+
+static int flash_bank_cmd(cmd_tbl_t *cmdtp, int flag, int argc,
+                         char * const argv[])
+{
+       if (argc != 2)
+               return CMD_RET_USAGE;
+       if (strcmp(argv[1], "1") == 0)
+               convert_flash_bank(BOOT_FROM_LOWER_BANK);
+       else if (strcmp(argv[1], "2") == 0)
+               convert_flash_bank(BOOT_FROM_UPPER_BANK);
+       else
+               return CMD_RET_USAGE;
+
+       return 0;
+}
+
+U_BOOT_CMD(
+       boot_bank, 2, 0, flash_bank_cmd,
+       "Flash bank Selection Control",
+       "bank[1-lower bank/2-upper bank] (e.g. boot_bank 1)"
+);