board/freescale/t2080qds/t2080qds.c

   1 /*
   2  * Copyright 2009-2013 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
  21 #include "../common/qixis.h"
  22 #include "../common/vsc3316_3308.h"
  23 #include "t2080qds.h"
  24 #include "t2080qds_qixis.h"
  25
  26 DECLARE_GLOBAL_DATA_PTR;
  27
  28 int checkboard(void)
  29 {
  30         char buf[64];
  31         u8 sw;
  32         struct cpu_type *cpu = gd->arch.cpu;
  33         static const char *freq[4] = {
  34                 "100.00MHZ(from 8T49N222A)", "125.00MHz",
  35                 "156.25MHZ", "100.00MHz"
  36         };
  37
  38         printf("Board: %sQDS, ", cpu->name);
  39         sw = QIXIS_READ(arch);
  40         printf("Sys ID: 0x%02x, Board Arch: V%d, ", QIXIS_READ(id), sw >> 4);
  41         printf("Board Version: %c, boot from ", (sw & 0xf) + 'A' - 1);
  42
  43         sw = QIXIS_READ(brdcfg[0]);
  44         sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
  45
  46         if (sw < 0x8)
  47                 printf("vBank%d\n", sw);
  48         else if (sw == 0x8)
  49                 puts("Promjet\n");
  50         else if (sw == 0x9)
  51                 puts("NAND\n");
  52         else
  53                 printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
  54
  55         printf("FPGA: v%d (%s), build %d", (int)QIXIS_READ(scver),
  56                qixis_read_tag(buf), (int)qixis_read_minor());
  57         /* the timestamp string contains "\n" at the end */
  58         printf(" on %s", qixis_read_time(buf));
  59
  60         puts("SERDES Reference Clocks:\n");
  61         sw = QIXIS_READ(brdcfg[2]);
  62         printf("SD1_CLK1=%s, SD1_CLK2=%s\n", freq[sw >> 6],
  63                freq[(sw >> 4) & 0x3]);
  64         printf("SD2_CLK1=%s, SD2_CLK2=%s\n", freq[(sw & 0xf) >> 2],
  65                freq[sw & 0x3]);
  66
  67         return 0;
  68 }
  69
  70 int select_i2c_ch_pca9547(u8 ch)
  71 {
  72         int ret;
  73
  74         ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
  75         if (ret) {
  76                 puts("PCA: failed to select proper channel\n");
  77                 return ret;
  78         }
  79
  80         return 0;
  81 }
  82
  83 int brd_mux_lane_to_slot(void)
  84 {
  85         ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  86         u32 srds_prtcl_s1, srds_prtcl_s2;
  87
  88         srds_prtcl_s1 = in_be32(&gur->rcwsr[4]) &
  89                                 FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
  90         srds_prtcl_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
  91         srds_prtcl_s2 = in_be32(&gur->rcwsr[4]) &
  92                                 FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
  93         srds_prtcl_s2 >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
  94
  95         switch (srds_prtcl_s1) {
  96         case 0:
  97                 /* SerDes1 is not enabled */
  98                 break;
  99         case 0x1c:
 100         case 0x95:
 101         case 0xa2:
 102         case 0x94:
 103                 /* SD1(A:D) => SLOT3 SGMII
 104                  * SD1(G:H) => SLOT1 SGMII
 105                  */
 106                 QIXIS_WRITE(brdcfg[12], 0x58);
 107                 break;
 108         case 0x51:
 109                 /* SD1(A:D) => SLOT3 XAUI
 110                  * SD1(E)   => SLOT1 PCIe4
 111                  * SD1(F:H) => SLOT2 SGMII
 112                  */
 113                 QIXIS_WRITE(brdcfg[12], 0x15);
 114                 break;
 115         case 0x66:
 116         case 0x67:
 117                 /* SD1(A:D) => XFI cage
 118                  * SD1(E:H) => SLOT1 PCIe4
 119                  */
 120                 QIXIS_WRITE(brdcfg[12], 0xfe);
 121                 break;
 122         case 0x6b:
 123                 /* SD1(A:D) => XFI cage
 124                  * SD1(E)   => SLOT1 PCIe4
 125                  * SD1(F:H) => SLOT2 SGMII
 126                  */
 127                 QIXIS_WRITE(brdcfg[12], 0xf1);
 128                 break;
 129         case 0x6c:
 130         case 0x6d:
 131                 /* SD1(A:B) => XFI cage
 132                  * SD1(C:D) => SLOT3 SGMII
 133                  * SD1(E:H) => SLOT1 PCIe4
 134                  */
 135                 QIXIS_WRITE(brdcfg[12], 0xda);
 136                 break;
 137         default:
 138                 printf("WARNING: unsupported for SerDes1 Protocol %d\n",
 139                        srds_prtcl_s1);
 140                 return -1;
 141         }
 142
 143         switch (srds_prtcl_s2) {
 144         case 0:
 145                 /* SerDes2 is not enabled */
 146                 break;
 147         case 0x01:
 148         case 0x02:
 149                 /* SD2(A:H) => SLOT4 PCIe1 */
 150                 QIXIS_WRITE(brdcfg[13], 0x20);
 151                 break;
 152         case 0x15:
 153         case 0x16:
 154                 /*
 155                  * SD2(A:D) => SLOT4 PCIe1
 156                  * SD2(E:F) => SLOT5 PCIe2
 157                  * SD2(G:H) => SATA1,SATA2
 158                  */
 159                 QIXIS_WRITE(brdcfg[13], 0xb0);
 160                 break;
 161         case 0x18:
 162                 /*
 163                  * SD2(A:D) => SLOT4 PCIe1
 164                  * SD2(E:F) => SLOT5 Aurora
 165                  * SD2(G:H) => SATA1,SATA2
 166                  */
 167                 QIXIS_WRITE(brdcfg[13], 0x70);
 168                 break;
 169         case 0x1f:
 170                 /*
 171                  * SD2(A:D) => SLOT4 PCIe1
 172                  * SD2(E:H) => SLOT5 PCIe2
 173                  */
 174                 QIXIS_WRITE(brdcfg[13], 0xa0);
 175                 break;
 176         case 0x29:
 177         case 0x2d:
 178         case 0x2e:
 179                 /*
 180                  * SD2(A:D) => SLOT4 SRIO2
 181                  * SD2(E:H) => SLOT5 SRIO1
 182                  */
 183                 QIXIS_WRITE(brdcfg[13], 0x50);
 184                 break;
 185         default:
 186                 printf("WARNING: unsupported for SerDes2 Protocol %d\n",
 187                        srds_prtcl_s2);
 188                 return -1;
 189         }
 190         return 0;
 191 }
 192
 193 int board_early_init_r(void)
 194 {
 195         const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
 196         const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
 197
 198         /*
 199          * Remap Boot flash + PROMJET region to caching-inhibited
 200          * so that flash can be erased properly.
 201          */
 202
 203         /* Flush d-cache and invalidate i-cache of any FLASH data */
 204         flush_dcache();
 205         invalidate_icache();
 206
 207         /* invalidate existing TLB entry for flash + promjet */
 208         disable_tlb(flash_esel);
 209
 210         set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
 211                 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
 212                 0, flash_esel, BOOKE_PAGESZ_256M, 1);
 213
 214         set_liodns();
 215 #ifdef CONFIG_SYS_DPAA_QBMAN
 216         setup_portals();
 217 #endif
 218
 219         /* Disable remote I2C connection to qixis fpga */
 220         QIXIS_WRITE(brdcfg[5], QIXIS_READ(brdcfg[5]) & ~BRDCFG5_IRE);
 221
 222         brd_mux_lane_to_slot();
 223         select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
 224
 225         return 0;
 226 }
 227
 228 unsigned long get_board_sys_clk(void)
 229 {
 230         u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
 231 #ifdef CONFIG_FSL_QIXIS_CLOCK_MEASUREMENT
 232         /* use accurate clock measurement */
 233         int freq = QIXIS_READ(clk_freq[0]) << 8 | QIXIS_READ(clk_freq[1]);
 234         int base = QIXIS_READ(clk_base[0]) << 8 | QIXIS_READ(clk_base[1]);
 235         u32 val;
 236
 237         val =  freq * base;
 238         if (val) {
 239                 debug("SYS Clock measurement is: %d\n", val);
 240                 return val;
 241         } else {
 242                 printf("Warning: SYS clock measurement is invalid, ");
 243                 printf("using value from brdcfg1.\n");
 244         }
 245 #endif
 246
 247         switch (sysclk_conf & 0x0F) {
 248         case QIXIS_SYSCLK_83:
 249                 return 83333333;
 250         case QIXIS_SYSCLK_100:
 251                 return 100000000;
 252         case QIXIS_SYSCLK_125:
 253                 return 125000000;
 254         case QIXIS_SYSCLK_133:
 255                 return 133333333;
 256         case QIXIS_SYSCLK_150:
 257                 return 150000000;
 258         case QIXIS_SYSCLK_160:
 259                 return 160000000;
 260         case QIXIS_SYSCLK_166:
 261                 return 166666666;
 262         }
 263         return 66666666;
 264 }
 265
 266 unsigned long get_board_ddr_clk(void)
 267 {
 268         u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
 269 #ifdef CONFIG_FSL_QIXIS_CLOCK_MEASUREMENT
 270         /* use accurate clock measurement */
 271         int freq = QIXIS_READ(clk_freq[2]) << 8 | QIXIS_READ(clk_freq[3]);
 272         int base = QIXIS_READ(clk_base[0]) << 8 | QIXIS_READ(clk_base[1]);
 273         u32 val;
 274
 275         val =  freq * base;
 276         if (val) {
 277                 debug("DDR Clock measurement is: %d\n", val);
 278                 return val;
 279         } else {
 280                 printf("Warning: DDR clock measurement is invalid, ");
 281                 printf("using value from brdcfg1.\n");
 282         }
 283 #endif
 284
 285         switch ((ddrclk_conf & 0x30) >> 4) {
 286         case QIXIS_DDRCLK_100:
 287                 return 100000000;
 288         case QIXIS_DDRCLK_125:
 289                 return 125000000;
 290         case QIXIS_DDRCLK_133:
 291                 return 133333333;
 292         }
 293         return 66666666;
 294 }
 295
 296 int misc_init_r(void)
 297 {
 298         return 0;
 299 }
 300
 301 void ft_board_setup(void *blob, bd_t *bd)
 302 {
 303         phys_addr_t base;
 304         phys_size_t size;
 305
 306         ft_cpu_setup(blob, bd);
 307
 308         base = getenv_bootm_low();
 309         size = getenv_bootm_size();
 310
 311         fdt_fixup_memory(blob, (u64)base, (u64)size);
 312
 313 #ifdef CONFIG_PCI
 314         pci_of_setup(blob, bd);
 315 #endif
 316
 317         fdt_fixup_liodn(blob);
 318         fdt_fixup_dr_usb(blob, bd);
 319
 320 #ifdef CONFIG_SYS_DPAA_FMAN
 321         fdt_fixup_fman_ethernet(blob);
 322         fdt_fixup_board_enet(blob);
 323 #endif
 324 }