board/freescale/t102xrdb/t102xrdb.c

   1 /*
   2  * Copyright 2014 Freescale Semiconductor, Inc.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <command.h>
   9 #include <i2c.h>
  10 #include <netdev.h>
  11 #include <linux/compiler.h>
  12 #include <asm/mmu.h>
  13 #include <asm/processor.h>
  14 #include <asm/immap_85xx.h>
  15 #include <asm/fsl_law.h>
  16 #include <asm/fsl_serdes.h>
  17 #include <asm/fsl_portals.h>
  18 #include <asm/fsl_liodn.h>
  19 #include <fm_eth.h>
  20 #include "t102xrdb.h"
  21 #include "cpld.h"
  22 #include "../common/sleep.h"
  23
  24 DECLARE_GLOBAL_DATA_PTR;
  25
  26 int checkboard(void)
  27 {
  28         struct cpu_type *cpu = gd->arch.cpu;
  29         static const char *freq[3] = {"100.00MHZ", "125.00MHz", "156.25MHZ"};
  30         ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  31         u32 srds_s1;
  32
  33         srds_s1 = in_be32(&gur->rcwsr[4]) & FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
  34         srds_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
  35
  36         printf("Board: %sRDB, ", cpu->name);
  37         printf("Board rev: 0x%02x CPLD ver: 0x%02x, boot from ",
  38                CPLD_READ(hw_ver), CPLD_READ(sw_ver));
  39
  40 #ifdef CONFIG_SDCARD
  41         puts("SD/MMC\n");
  42 #elif CONFIG_SPIFLASH
  43         puts("SPI\n");
  44 #else
  45         u8 reg;
  46
  47         reg = CPLD_READ(flash_csr);
  48
  49         if (reg & CPLD_BOOT_SEL) {
  50                 puts("NAND\n");
  51         } else {
  52                 reg = ((reg & CPLD_LBMAP_MASK) >> CPLD_LBMAP_SHIFT);
  53                 printf("NOR vBank%d\n", reg);
  54         }
  55 #endif
  56
  57         puts("SERDES Reference Clocks:\n");
  58         if (srds_s1 == 0x95)
  59                 printf("SD1_CLK1=%s, SD1_CLK2=%s\n", freq[2], freq[0]);
  60         else
  61                 printf("SD1_CLK1=%s, SD1_CLK2=%s\n", freq[0], freq[0]);
  62
  63         return 0;
  64 }
  65
  66 static void board_mux_lane(void)
  67 {
  68         ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  69         u32 srds_prtcl_s1;
  70         u8 reg = CPLD_READ(misc_ctl_status);
  71
  72         srds_prtcl_s1 = in_be32(&gur->rcwsr[4]) &
  73                                 FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
  74         srds_prtcl_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
  75
  76         if (srds_prtcl_s1 == 0x95) {
  77                 /* Route Lane B to PCIE */
  78                 CPLD_WRITE(misc_ctl_status, reg & ~CPLD_PCIE_SGMII_MUX);
  79         } else {
  80                 /* Route Lane B to SGMII */
  81                 CPLD_WRITE(misc_ctl_status, reg | CPLD_PCIE_SGMII_MUX);
  82         }
  83         CPLD_WRITE(boot_override, CPLD_OVERRIDE_MUX_EN);
  84 }
  85
  86 int board_early_init_f(void)
  87 {
  88 #if defined(CONFIG_DEEP_SLEEP)
  89         if (is_warm_boot())
  90                 fsl_dp_disable_console();
  91 #endif
  92
  93         return 0;
  94 }
  95
  96 int board_early_init_r(void)
  97 {
  98 #ifdef CONFIG_SYS_FLASH_BASE
  99         const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
 100         int flash_esel = find_tlb_idx((void *)flashbase, 1);
 101         /*
 102          * Remap Boot flash region to caching-inhibited
 103          * so that flash can be erased properly.
 104          */
 105
 106         /* Flush d-cache and invalidate i-cache of any FLASH data */
 107         flush_dcache();
 108         invalidate_icache();
 109         if (flash_esel == -1) {
 110                 /* very unlikely unless something is messed up */
 111                 puts("Error: Could not find TLB for FLASH BASE\n");
 112                 flash_esel = 2; /* give our best effort to continue */
 113         } else {
 114                 /* invalidate existing TLB entry for flash + promjet */
 115                 disable_tlb(flash_esel);
 116         }
 117
 118         set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
 119                 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
 120                 0, flash_esel, BOOKE_PAGESZ_256M, 1);
 121 #endif
 122
 123         set_liodns();
 124 #ifdef CONFIG_SYS_DPAA_QBMAN
 125         setup_portals();
 126 #endif
 127         board_mux_lane();
 128
 129         return 0;
 130 }
 131
 132 unsigned long get_board_sys_clk(void)
 133 {
 134         return CONFIG_SYS_CLK_FREQ;
 135 }
 136
 137 unsigned long get_board_ddr_clk(void)
 138 {
 139         return CONFIG_DDR_CLK_FREQ;
 140 }
 141
 142 int misc_init_r(void)
 143 {
 144         return 0;
 145 }
 146
 147 int ft_board_setup(void *blob, bd_t *bd)
 148 {
 149         phys_addr_t base;
 150         phys_size_t size;
 151
 152         ft_cpu_setup(blob, bd);
 153
 154         base = getenv_bootm_low();
 155         size = getenv_bootm_size();
 156
 157         fdt_fixup_memory(blob, (u64)base, (u64)size);
 158
 159 #ifdef CONFIG_PCI
 160         pci_of_setup(blob, bd);
 161 #endif
 162
 163         fdt_fixup_liodn(blob);
 164         fdt_fixup_dr_usb(blob, bd);
 165
 166 #ifdef CONFIG_SYS_DPAA_FMAN
 167         fdt_fixup_fman_ethernet(blob);
 168         fdt_fixup_board_enet(blob);
 169 #endif
 170
 171         return 0;
 172 }