1d1712369SKumar Gala /* 2561e710aSKumar Gala * Copyright 2009-2011 Freescale Semiconductor, Inc. 3d1712369SKumar Gala * 4d1712369SKumar Gala * See file CREDITS for list of people who contributed to this 5d1712369SKumar Gala * project. 6d1712369SKumar Gala * 7d1712369SKumar Gala * This program is free software; you can redistribute it and/or 8d1712369SKumar Gala * modify it under the terms of the GNU General Public License as 9d1712369SKumar Gala * published by the Free Software Foundation; either version 2 of 10d1712369SKumar Gala * the License, or (at your option) any later version. 11d1712369SKumar Gala * 12d1712369SKumar Gala * This program is distributed in the hope that it will be useful, 13d1712369SKumar Gala * but WITHOUT ANY WARRANTY; without even the implied warranty of 14d1712369SKumar Gala * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15d1712369SKumar Gala * GNU General Public License for more details. 16d1712369SKumar Gala * 17d1712369SKumar Gala * You should have received a copy of the GNU General Public License 18d1712369SKumar Gala * along with this program; if not, write to the Free Software 19d1712369SKumar Gala * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 20d1712369SKumar Gala * MA 02111-1307 USA 21d1712369SKumar Gala */ 22d1712369SKumar Gala 23d1712369SKumar Gala #include <common.h> 24d1712369SKumar Gala #include <command.h> 25d1712369SKumar Gala #include <netdev.h> 260e159024SLian Minghuan #include <linux/compiler.h> 27d1712369SKumar Gala #include <asm/mmu.h> 28d1712369SKumar Gala #include <asm/processor.h> 29d1712369SKumar Gala #include <asm/cache.h> 30d1712369SKumar Gala #include <asm/immap_85xx.h> 31d1712369SKumar Gala #include <asm/fsl_law.h> 32d1712369SKumar Gala #include <asm/fsl_serdes.h> 33d1712369SKumar Gala #include <asm/fsl_portals.h> 34d1712369SKumar Gala #include <asm/fsl_liodn.h> 35d1712369SKumar Gala 36d1712369SKumar Gala extern void pci_of_setup(void *blob, bd_t *bd); 37d1712369SKumar Gala 38d1712369SKumar Gala #include "../common/ngpixis.h" 39d1712369SKumar Gala 40d1712369SKumar Gala DECLARE_GLOBAL_DATA_PTR; 41d1712369SKumar Gala 42d1712369SKumar Gala int checkboard (void) 43d1712369SKumar Gala { 44d1712369SKumar Gala u8 sw; 45d1712369SKumar Gala struct cpu_type *cpu = gd->cpu; 4646299078STimur Tabi ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; 4746299078STimur Tabi unsigned int i; 48d1712369SKumar Gala 49d1712369SKumar Gala printf("Board: %sDS, ", cpu->name); 50d1712369SKumar Gala printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ", 51d1712369SKumar Gala in_8(&pixis->id), in_8(&pixis->arch), in_8(&pixis->scver)); 52d1712369SKumar Gala 53d1712369SKumar Gala sw = in_8(&PIXIS_SW(PIXIS_LBMAP_SWITCH)); 54d1712369SKumar Gala sw = (sw & PIXIS_LBMAP_MASK) >> PIXIS_LBMAP_SHIFT; 55d1712369SKumar Gala 56d1712369SKumar Gala if (sw < 0x8) 57d1712369SKumar Gala printf("vBank: %d\n", sw); 58d1712369SKumar Gala else if (sw == 0x8) 59d1712369SKumar Gala puts("Promjet\n"); 60d1712369SKumar Gala else if (sw == 0x9) 61d1712369SKumar Gala puts("NAND\n"); 62d1712369SKumar Gala else 63d1712369SKumar Gala printf("invalid setting of SW%u\n", PIXIS_LBMAP_SWITCH); 64d1712369SKumar Gala 65d1712369SKumar Gala #ifdef CONFIG_PHYS_64BIT 66d1712369SKumar Gala puts("36-bit Addressing\n"); 67d1712369SKumar Gala #endif 68d1712369SKumar Gala 6946299078STimur Tabi /* Display the RCW, so that no one gets confused as to what RCW 7046299078STimur Tabi * we're actually using for this boot. 7146299078STimur Tabi */ 7246299078STimur Tabi puts("Reset Configuration Word (RCW):"); 7346299078STimur Tabi for (i = 0; i < ARRAY_SIZE(gur->rcwsr); i++) { 7446299078STimur Tabi u32 rcw = in_be32(&gur->rcwsr[i]); 7546299078STimur Tabi 7646299078STimur Tabi if ((i % 4) == 0) 7746299078STimur Tabi printf("\n %08x:", i * 4); 7846299078STimur Tabi printf(" %08x", rcw); 7946299078STimur Tabi } 8046299078STimur Tabi puts("\n"); 8146299078STimur Tabi 82d1712369SKumar Gala /* Display the actual SERDES reference clocks as configured by the 83d1712369SKumar Gala * dip switches on the board. Note that the SWx registers could 84d1712369SKumar Gala * technically be set to force the reference clocks to match the 85d1712369SKumar Gala * values that the SERDES expects (or vice versa). For now, however, 86d1712369SKumar Gala * we just display both values and hope the user notices when they 87d1712369SKumar Gala * don't match. 88d1712369SKumar Gala */ 89d1712369SKumar Gala puts("SERDES Reference Clocks: "); 90*e02aea61SKumar Gala #if defined(CONFIG_P3041DS) || defined(CONFIG_P5020DS) 91*e02aea61SKumar Gala sw = in_8(&PIXIS_SW(5)); 92*e02aea61SKumar Gala for (i = 0; i < 3; i++) { 93*e02aea61SKumar Gala static const char *freq[] = {"100", "125", "156.25", "212.5" }; 94*e02aea61SKumar Gala unsigned int clock = (sw >> (6 - (2 * i))) & 3; 95*e02aea61SKumar Gala 96*e02aea61SKumar Gala printf("Bank%u=%sMhz ", i+1, freq[clock]); 97*e02aea61SKumar Gala } 98*e02aea61SKumar Gala puts("\n"); 99*e02aea61SKumar Gala #else 100d1712369SKumar Gala sw = in_8(&PIXIS_SW(3)); 101d1712369SKumar Gala printf("Bank1=%uMHz ", (sw & 0x40) ? 125 : 100); 102d1712369SKumar Gala printf("Bank2=%sMHz ", (sw & 0x20) ? "156.25" : "125"); 103d1712369SKumar Gala printf("Bank3=%sMHz\n", (sw & 0x10) ? "156.25" : "125"); 104*e02aea61SKumar Gala #endif 105d1712369SKumar Gala 106d1712369SKumar Gala return 0; 107d1712369SKumar Gala } 108d1712369SKumar Gala 109d1712369SKumar Gala int board_early_init_f(void) 110d1712369SKumar Gala { 111d1712369SKumar Gala volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 112d1712369SKumar Gala 113d1712369SKumar Gala /* 114d1712369SKumar Gala * P4080 DS board only uses the DDR1_MCK0/3 and DDR2_MCK0/3 115d1712369SKumar Gala * disable the DDR1_MCK1/2/4/5 and DDR2_MCK1/2/4/5 to reduce 116d1712369SKumar Gala * the noise introduced by these unterminated and unused clock pairs. 117d1712369SKumar Gala */ 118d1712369SKumar Gala setbits_be32(&gur->ddrclkdr, 0x001B001B); 119d1712369SKumar Gala 120d1712369SKumar Gala return 0; 121d1712369SKumar Gala } 122d1712369SKumar Gala 123d1712369SKumar Gala int board_early_init_r(void) 124d1712369SKumar Gala { 125d1712369SKumar Gala const unsigned int flashbase = CONFIG_SYS_FLASH_BASE; 126d1712369SKumar Gala const u8 flash_esel = find_tlb_idx((void *)flashbase, 1); 127d1712369SKumar Gala 128d1712369SKumar Gala /* 129d1712369SKumar Gala * Remap Boot flash + PROMJET region to caching-inhibited 130d1712369SKumar Gala * so that flash can be erased properly. 131d1712369SKumar Gala */ 132d1712369SKumar Gala 133d1712369SKumar Gala /* Flush d-cache and invalidate i-cache of any FLASH data */ 134d1712369SKumar Gala flush_dcache(); 135d1712369SKumar Gala invalidate_icache(); 136d1712369SKumar Gala 137d1712369SKumar Gala /* invalidate existing TLB entry for flash + promjet */ 138d1712369SKumar Gala disable_tlb(flash_esel); 139d1712369SKumar Gala 140d1712369SKumar Gala set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, /* tlb, epn, rpn */ 141d1712369SKumar Gala MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */ 142d1712369SKumar Gala 0, flash_esel, BOOKE_PAGESZ_256M, 1); /* ts, esel, tsize, iprot */ 143d1712369SKumar Gala 144d1712369SKumar Gala set_liodns(); 145d1712369SKumar Gala setup_portals(); 146d1712369SKumar Gala 147d1712369SKumar Gala return 0; 148d1712369SKumar Gala } 149d1712369SKumar Gala 150d1712369SKumar Gala static const char *serdes_clock_to_string(u32 clock) 151d1712369SKumar Gala { 152d1712369SKumar Gala switch(clock) { 153d1712369SKumar Gala case SRDS_PLLCR0_RFCK_SEL_100: 154d1712369SKumar Gala return "100"; 155d1712369SKumar Gala case SRDS_PLLCR0_RFCK_SEL_125: 156d1712369SKumar Gala return "125"; 157d1712369SKumar Gala case SRDS_PLLCR0_RFCK_SEL_156_25: 158d1712369SKumar Gala return "156.25"; 159d1712369SKumar Gala default: 160*e02aea61SKumar Gala return "150"; 161d1712369SKumar Gala } 162d1712369SKumar Gala } 163d1712369SKumar Gala 164d1712369SKumar Gala #define NUM_SRDS_BANKS 3 165d1712369SKumar Gala 166d1712369SKumar Gala int misc_init_r(void) 167d1712369SKumar Gala { 168d1712369SKumar Gala serdes_corenet_t *srds_regs = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR; 169d1712369SKumar Gala u32 actual[NUM_SRDS_BANKS]; 170d1712369SKumar Gala unsigned int i; 171*e02aea61SKumar Gala u8 sw; 172d1712369SKumar Gala 173*e02aea61SKumar Gala #if defined(CONFIG_P3041DS) || defined(CONFIG_P5020DS) 174*e02aea61SKumar Gala sw = in_8(&PIXIS_SW(5)); 175*e02aea61SKumar Gala for (i = 0; i < 3; i++) { 176*e02aea61SKumar Gala unsigned int clock = (sw >> (6 - (2 * i))) & 3; 177*e02aea61SKumar Gala switch (clock) { 178*e02aea61SKumar Gala case 0: 179*e02aea61SKumar Gala actual[i] = SRDS_PLLCR0_RFCK_SEL_100; 180*e02aea61SKumar Gala break; 181*e02aea61SKumar Gala case 1: 182*e02aea61SKumar Gala actual[i] = SRDS_PLLCR0_RFCK_SEL_125; 183*e02aea61SKumar Gala break; 184*e02aea61SKumar Gala case 2: 185*e02aea61SKumar Gala actual[i] = SRDS_PLLCR0_RFCK_SEL_156_25; 186*e02aea61SKumar Gala break; 187*e02aea61SKumar Gala default: 188*e02aea61SKumar Gala printf("Warning: SDREFCLK%u switch setting of '11' is " 189*e02aea61SKumar Gala "unsupported\n", i + 1); 190*e02aea61SKumar Gala break; 191*e02aea61SKumar Gala } 192*e02aea61SKumar Gala } 193*e02aea61SKumar Gala #else 194d1712369SKumar Gala /* Warn if the expected SERDES reference clocks don't match the 195d1712369SKumar Gala * actual reference clocks. This needs to be done after calling 196d1712369SKumar Gala * p4080_erratum_serdes8(), since that function may modify the clocks. 197d1712369SKumar Gala */ 198*e02aea61SKumar Gala sw = in_8(&PIXIS_SW(3)); 199*e02aea61SKumar Gala actual[0] = (sw & 0x40) ? 200d1712369SKumar Gala SRDS_PLLCR0_RFCK_SEL_125 : SRDS_PLLCR0_RFCK_SEL_100; 201*e02aea61SKumar Gala actual[1] = (sw & 0x20) ? 202d1712369SKumar Gala SRDS_PLLCR0_RFCK_SEL_156_25 : SRDS_PLLCR0_RFCK_SEL_125; 203*e02aea61SKumar Gala actual[2] = (sw & 0x10) ? 204d1712369SKumar Gala SRDS_PLLCR0_RFCK_SEL_156_25 : SRDS_PLLCR0_RFCK_SEL_125; 205*e02aea61SKumar Gala #endif 206d1712369SKumar Gala 207d1712369SKumar Gala for (i = 0; i < NUM_SRDS_BANKS; i++) { 208d1712369SKumar Gala u32 expected = srds_regs->bank[i].pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK; 209d1712369SKumar Gala if (expected != actual[i]) { 210d1712369SKumar Gala printf("Warning: SERDES bank %u expects reference clock" 211d1712369SKumar Gala " %sMHz, but actual is %sMHz\n", i + 1, 212d1712369SKumar Gala serdes_clock_to_string(expected), 213d1712369SKumar Gala serdes_clock_to_string(actual[i])); 214d1712369SKumar Gala } 215d1712369SKumar Gala } 216d1712369SKumar Gala 217d1712369SKumar Gala return 0; 218d1712369SKumar Gala } 219d1712369SKumar Gala 220d1712369SKumar Gala void ft_board_setup(void *blob, bd_t *bd) 221d1712369SKumar Gala { 222d1712369SKumar Gala phys_addr_t base; 223d1712369SKumar Gala phys_size_t size; 224d1712369SKumar Gala 225d1712369SKumar Gala ft_cpu_setup(blob, bd); 226d1712369SKumar Gala 227d1712369SKumar Gala base = getenv_bootm_low(); 228d1712369SKumar Gala size = getenv_bootm_size(); 229d1712369SKumar Gala 230d1712369SKumar Gala fdt_fixup_memory(blob, (u64)base, (u64)size); 231d1712369SKumar Gala 232d1712369SKumar Gala #ifdef CONFIG_PCI 233d1712369SKumar Gala pci_of_setup(blob, bd); 234d1712369SKumar Gala #endif 235d1712369SKumar Gala 236d1712369SKumar Gala fdt_fixup_liodn(blob); 237d1712369SKumar Gala } 238d1712369SKumar Gala 239d1712369SKumar Gala int board_eth_init(bd_t *bis) 240d1712369SKumar Gala { 241d1712369SKumar Gala return pci_eth_init(bis); 242d1712369SKumar Gala } 243