board/freescale/t104xrdb/t104xrdb.c

   1 /*
   2  * Copyright 2013 Freescale Semiconductor, Inc.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <command.h>
   9 #include <hwconfig.h>
  10 #include <netdev.h>
  11 #include <linux/compiler.h>
  12 #include <asm/mmu.h>
  13 #include <asm/processor.h>
  14 #include <asm/cache.h>
  15 #include <asm/immap_85xx.h>
  16 #include <asm/fsl_fdt.h>
  17 #include <asm/fsl_law.h>
  18 #include <asm/fsl_serdes.h>
  19 #include <asm/fsl_liodn.h>
  20 #include <fm_eth.h>
  21 #include "../common/sleep.h"
  22 #include "t104xrdb.h"
  23 #include "cpld.h"
  24
  25 DECLARE_GLOBAL_DATA_PTR;
  26
  27 int checkboard(void)
  28 {
  29         struct cpu_type *cpu = gd->arch.cpu;
  30         u8 sw;
  31
  32 #if defined(CONFIG_TARGET_T1040D4RDB) || defined(CONFIG_TARGET_T1042D4RDB)
  33         printf("Board: %sD4RDB\n", cpu->name);
  34 #else
  35         printf("Board: %sRDB\n", cpu->name);
  36 #endif
  37         printf("Board rev: 0x%02x CPLD ver: 0x%02x, ",
  38                CPLD_READ(hw_ver), CPLD_READ(sw_ver));
  39
  40         sw = CPLD_READ(flash_ctl_status);
  41         sw = ((sw & CPLD_LBMAP_MASK) >> CPLD_LBMAP_SHIFT);
  42
  43         printf("vBank: %d\n", sw);
  44
  45         return 0;
  46 }
  47
  48 int board_early_init_f(void)
  49 {
  50 #if defined(CONFIG_DEEP_SLEEP)
  51         if (is_warm_boot())
  52                 fsl_dp_disable_console();
  53 #endif
  54
  55         return 0;
  56 }
  57
  58 int board_early_init_r(void)
  59 {
  60 #ifdef CONFIG_SYS_FLASH_BASE
  61         const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
  62         int flash_esel = find_tlb_idx((void *)flashbase, 1);
  63
  64         /*
  65          * Remap Boot flash region to caching-inhibited
  66          * so that flash can be erased properly.
  67          */
  68
  69         /* Flush d-cache and invalidate i-cache of any FLASH data */
  70         flush_dcache();
  71         invalidate_icache();
  72
  73         if (flash_esel == -1) {
  74                 /* very unlikely unless something is messed up */
  75                 puts("Error: Could not find TLB for FLASH BASE\n");
  76                 flash_esel = 2; /* give our best effort to continue */
  77         } else {
  78                 /* invalidate existing TLB entry for flash */
  79                 disable_tlb(flash_esel);
  80         }
  81
  82         set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
  83                 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  84                 0, flash_esel, BOOKE_PAGESZ_256M, 1);
  85 #endif
  86         return 0;
  87 }
  88
  89 int misc_init_r(void)
  90 {
  91         ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  92         u32 srds_s1;
  93
  94         srds_s1 = in_be32(&gur->rcwsr[4]) >> 24;
  95
  96         printf("SERDES Reference : 0x%X\n", srds_s1);
  97
  98         /* select SGMII*/
  99         if (srds_s1 == 0x86)
 100                 CPLD_WRITE(misc_ctl_status, CPLD_READ(misc_ctl_status) |
 101                                          MISC_CTL_SG_SEL);
 102
 103         /* select SGMII and Aurora*/
 104         if (srds_s1 == 0x8E)
 105                 CPLD_WRITE(misc_ctl_status, CPLD_READ(misc_ctl_status) |
 106                                          MISC_CTL_SG_SEL | MISC_CTL_AURORA_SEL);
 107
 108 #if defined(CONFIG_TARGET_T1040D4RDB)
 109         if (hwconfig("qe-tdm")) {
 110                 CPLD_WRITE(sfp_ctl_status, CPLD_READ(sfp_ctl_status) |
 111                            MISC_MUX_QE_TDM);
 112                 printf("QECSR : 0x%02x, mux to qe-tdm\n",
 113                        CPLD_READ(sfp_ctl_status));
 114         }
 115         /* Mask all CPLD interrupt sources, except QSGMII interrupts */
 116         if (CPLD_READ(sw_ver) < 0x03) {
 117                 debug("CPLD SW version 0x%02x doesn't support int_mask\n",
 118                       CPLD_READ(sw_ver));
 119         } else {
 120                 CPLD_WRITE(int_mask, CPLD_INT_MASK_ALL &
 121                            ~(CPLD_INT_MASK_QSGMII1 | CPLD_INT_MASK_QSGMII2));
 122         }
 123 #endif
 124
 125         return 0;
 126 }
 127
 128 int ft_board_setup(void *blob, bd_t *bd)
 129 {
 130         phys_addr_t base;
 131         phys_size_t size;
 132
 133         ft_cpu_setup(blob, bd);
 134
 135         base = env_get_bootm_low();
 136         size = env_get_bootm_size();
 137
 138         fdt_fixup_memory(blob, (u64)base, (u64)size);
 139
 140 #ifdef CONFIG_PCI
 141         pci_of_setup(blob, bd);
 142 #endif
 143
 144         fdt_fixup_liodn(blob);
 145
 146 #ifdef CONFIG_HAS_FSL_DR_USB
 147         fsl_fdt_fixup_dr_usb(blob, bd);
 148 #endif
 149
 150 #ifdef CONFIG_SYS_DPAA_FMAN
 151         fdt_fixup_fman_ethernet(blob);
 152 #endif
 153
 154         if (hwconfig("qe-tdm"))
 155                 fdt_del_diu(blob);
 156         return 0;
 157 }