1 /* 2 * Copyright 2009-2011 Freescale Semiconductor, Inc. 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <command.h> 9 #include <netdev.h> 10 #include <linux/compiler.h> 11 #include <asm/mmu.h> 12 #include <asm/processor.h> 13 #include <asm/cache.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 21 #include "../common/ngpixis.h" 22 #include "corenet_ds.h" 23 24 DECLARE_GLOBAL_DATA_PTR; 25 26 int checkboard (void) 27 { 28 u8 sw; 29 struct cpu_type *cpu = gd->arch.cpu; 30 #if defined(CONFIG_P3041DS) || defined(CONFIG_P5020DS) || \ 31 defined(CONFIG_P5040DS) 32 unsigned int i; 33 #endif 34 static const char * const freq[] = {"100", "125", "156.25", "212.5" }; 35 36 printf("Board: %sDS, ", cpu->name); 37 printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ", 38 in_8(&pixis->id), in_8(&pixis->arch), in_8(&pixis->scver)); 39 40 sw = in_8(&PIXIS_SW(PIXIS_LBMAP_SWITCH)); 41 sw = (sw & PIXIS_LBMAP_MASK) >> PIXIS_LBMAP_SHIFT; 42 43 if (sw < 0x8) 44 printf("vBank: %d\n", sw); 45 else if (sw == 0x8) 46 puts("Promjet\n"); 47 else if (sw == 0x9) 48 puts("NAND\n"); 49 else 50 printf("invalid setting of SW%u\n", PIXIS_LBMAP_SWITCH); 51 52 /* Display the actual SERDES reference clocks as configured by the 53 * dip switches on the board. Note that the SWx registers could 54 * technically be set to force the reference clocks to match the 55 * values that the SERDES expects (or vice versa). For now, however, 56 * we just display both values and hope the user notices when they 57 * don't match. 58 */ 59 puts("SERDES Reference Clocks: "); 60 #if defined(CONFIG_P3041DS) || defined(CONFIG_P5020DS) \ 61 || defined(CONFIG_P5040DS) 62 sw = in_8(&PIXIS_SW(5)); 63 for (i = 0; i < 3; i++) { 64 unsigned int clock = (sw >> (6 - (2 * i))) & 3; 65 66 printf("Bank%u=%sMhz ", i+1, freq[clock]); 67 } 68 #ifdef CONFIG_P5040DS 69 /* On P5040DS, SW11[7:8] determines the Bank 4 frequency */ 70 sw = in_8(&PIXIS_SW(9)); 71 printf("Bank4=%sMhz ", freq[sw & 3]); 72 #endif 73 puts("\n"); 74 #else 75 sw = in_8(&PIXIS_SW(3)); 76 /* SW3[2]: 0 = 100 Mhz, 1 = 125 MHz */ 77 /* SW3[3]: 0 = 125 Mhz, 1 = 156.25 MHz */ 78 /* SW3[4]: 0 = 125 Mhz, 1 = 156.25 MHz */ 79 printf("Bank1=%sMHz ", freq[!!(sw & 0x40)]); 80 printf("Bank2=%sMHz ", freq[1 + !!(sw & 0x20)]); 81 printf("Bank3=%sMHz\n", freq[1 + !!(sw & 0x10)]); 82 #endif 83 84 return 0; 85 } 86 87 int board_early_init_f(void) 88 { 89 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 90 91 /* 92 * P4080 DS board only uses the DDR1_MCK0/3 and DDR2_MCK0/3 93 * disable the DDR1_MCK1/2/4/5 and DDR2_MCK1/2/4/5 to reduce 94 * the noise introduced by these unterminated and unused clock pairs. 95 */ 96 setbits_be32(&gur->ddrclkdr, 0x001B001B); 97 98 return 0; 99 } 100 101 int board_early_init_r(void) 102 { 103 const unsigned int flashbase = CONFIG_SYS_FLASH_BASE; 104 const u8 flash_esel = find_tlb_idx((void *)flashbase, 1); 105 106 /* 107 * Remap Boot flash + PROMJET region to caching-inhibited 108 * so that flash can be erased properly. 109 */ 110 111 /* Flush d-cache and invalidate i-cache of any FLASH data */ 112 flush_dcache(); 113 invalidate_icache(); 114 115 /* invalidate existing TLB entry for flash + promjet */ 116 disable_tlb(flash_esel); 117 118 set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, /* tlb, epn, rpn */ 119 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */ 120 0, flash_esel, BOOKE_PAGESZ_256M, 1); /* ts, esel, tsize, iprot */ 121 122 set_liodns(); 123 #ifdef CONFIG_SYS_DPAA_QBMAN 124 setup_portals(); 125 #endif 126 127 return 0; 128 } 129 130 static const char *serdes_clock_to_string(u32 clock) 131 { 132 switch(clock) { 133 case SRDS_PLLCR0_RFCK_SEL_100: 134 return "100"; 135 case SRDS_PLLCR0_RFCK_SEL_125: 136 return "125"; 137 case SRDS_PLLCR0_RFCK_SEL_156_25: 138 return "156.25"; 139 default: 140 return "150"; 141 } 142 } 143 144 #define NUM_SRDS_BANKS 3 145 146 int misc_init_r(void) 147 { 148 serdes_corenet_t *srds_regs = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR; 149 u32 actual[NUM_SRDS_BANKS]; 150 unsigned int i; 151 u8 sw; 152 153 #if defined(CONFIG_P3041DS) || defined(CONFIG_P5020DS) \ 154 || defined(CONFIG_P5040DS) 155 sw = in_8(&PIXIS_SW(5)); 156 for (i = 0; i < 3; i++) { 157 unsigned int clock = (sw >> (6 - (2 * i))) & 3; 158 switch (clock) { 159 case 0: 160 actual[i] = SRDS_PLLCR0_RFCK_SEL_100; 161 break; 162 case 1: 163 actual[i] = SRDS_PLLCR0_RFCK_SEL_125; 164 break; 165 case 2: 166 actual[i] = SRDS_PLLCR0_RFCK_SEL_156_25; 167 break; 168 default: 169 printf("Warning: SDREFCLK%u switch setting of '11' is " 170 "unsupported\n", i + 1); 171 break; 172 } 173 } 174 #else 175 /* Warn if the expected SERDES reference clocks don't match the 176 * actual reference clocks. This needs to be done after calling 177 * p4080_erratum_serdes8(), since that function may modify the clocks. 178 */ 179 sw = in_8(&PIXIS_SW(3)); 180 actual[0] = (sw & 0x40) ? 181 SRDS_PLLCR0_RFCK_SEL_125 : SRDS_PLLCR0_RFCK_SEL_100; 182 actual[1] = (sw & 0x20) ? 183 SRDS_PLLCR0_RFCK_SEL_156_25 : SRDS_PLLCR0_RFCK_SEL_125; 184 actual[2] = (sw & 0x10) ? 185 SRDS_PLLCR0_RFCK_SEL_156_25 : SRDS_PLLCR0_RFCK_SEL_125; 186 #endif 187 188 for (i = 0; i < NUM_SRDS_BANKS; i++) { 189 u32 expected = srds_regs->bank[i].pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK; 190 if (expected != actual[i]) { 191 printf("Warning: SERDES bank %u expects reference clock" 192 " %sMHz, but actual is %sMHz\n", i + 1, 193 serdes_clock_to_string(expected), 194 serdes_clock_to_string(actual[i])); 195 } 196 } 197 198 return 0; 199 } 200 201 void ft_board_setup(void *blob, bd_t *bd) 202 { 203 phys_addr_t base; 204 phys_size_t size; 205 206 ft_cpu_setup(blob, bd); 207 208 base = getenv_bootm_low(); 209 size = getenv_bootm_size(); 210 211 fdt_fixup_memory(blob, (u64)base, (u64)size); 212 213 #ifdef CONFIG_PCI 214 pci_of_setup(blob, bd); 215 #endif 216 217 fdt_fixup_liodn(blob); 218 fdt_fixup_dr_usb(blob, bd); 219 220 #ifdef CONFIG_SYS_DPAA_FMAN 221 fdt_fixup_fman_ethernet(blob); 222 fdt_fixup_board_enet(blob); 223 #endif 224 } 225