1 /* 2 * (C) Copyright 2013 Keymile AG 3 * Valentin Longchamp <valentin.longchamp@keymile.com> 4 * 5 * Copyright 2011,2012 Freescale Semiconductor, Inc. 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #include <common.h> 11 #include <command.h> 12 #include <netdev.h> 13 #include <linux/compiler.h> 14 #include <asm/mmu.h> 15 #include <asm/processor.h> 16 #include <asm/cache.h> 17 #include <asm/immap_85xx.h> 18 #include <asm/fsl_law.h> 19 #include <asm/fsl_serdes.h> 20 #include <asm/fsl_portals.h> 21 #include <asm/fsl_liodn.h> 22 #include <fm_eth.h> 23 24 #include "../common/common.h" 25 #include "kmp204x.h" 26 27 DECLARE_GLOBAL_DATA_PTR; 28 29 int checkboard(void) 30 { 31 printf("Board: Keymile %s\n", CONFIG_KM_BOARD_NAME); 32 33 return 0; 34 } 35 36 /* TODO: implement the I2C deblocking function */ 37 int i2c_make_abort(void) 38 { 39 return 1; 40 } 41 42 #define ZL30158_RST 8 43 #define ZL30343_RST 9 44 45 int board_early_init_f(void) 46 { 47 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 48 49 /* board only uses the DDR_MCK0, so disable the DDR_MCK1/2/3 */ 50 setbits_be32(&gur->ddrclkdr, 0x001f000f); 51 52 /* take the Zarlinks out of reset as soon as possible */ 53 qrio_prst(ZL30158_RST, false, false); 54 qrio_prst(ZL30343_RST, false, false); 55 56 /* and set their reset to power-up only */ 57 qrio_prstcfg(ZL30158_RST, PRSTCFG_POWUP_RST); 58 qrio_prstcfg(ZL30343_RST, PRSTCFG_POWUP_RST); 59 60 return 0; 61 } 62 63 int board_early_init_r(void) 64 { 65 /* Flush d-cache and invalidate i-cache of any FLASH data */ 66 flush_dcache(); 67 invalidate_icache(); 68 69 set_liodns(); 70 setup_portals(); 71 72 return 0; 73 } 74 75 unsigned long get_board_sys_clk(unsigned long dummy) 76 { 77 return 66666666; 78 } 79 80 #define NUM_SRDS_BANKS 2 81 #define PHY_RST 15 82 83 int misc_init_r(void) 84 { 85 serdes_corenet_t *regs = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR; 86 u32 expected[NUM_SRDS_BANKS] = {SRDS_PLLCR0_RFCK_SEL_100, 87 SRDS_PLLCR0_RFCK_SEL_125}; 88 unsigned int i; 89 90 /* check SERDES reference clocks */ 91 for (i = 0; i < NUM_SRDS_BANKS; i++) { 92 u32 actual = in_be32(®s->bank[i].pllcr0); 93 actual &= SRDS_PLLCR0_RFCK_SEL_MASK; 94 if (actual != expected[i]) { 95 printf("Warning: SERDES bank %u expects reference \ 96 clock %sMHz, but actual is %sMHz\n", i + 1, 97 serdes_clock_to_string(expected[i]), 98 serdes_clock_to_string(actual)); 99 } 100 } 101 102 /* take the mgmt eth phy out of reset */ 103 qrio_prst(PHY_RST, false, false); 104 105 return 0; 106 } 107 108 #if defined(CONFIG_HUSH_INIT_VAR) 109 int hush_init_var(void) 110 { 111 ivm_read_eeprom(); 112 return 0; 113 } 114 #endif 115 116 #if defined(CONFIG_LAST_STAGE_INIT) 117 int last_stage_init(void) 118 { 119 set_km_env(); 120 return 0; 121 } 122 #endif 123 124 #ifdef CONFIG_SYS_DPAA_FMAN 125 void fdt_fixup_fman_mac_addresses(void *blob) 126 { 127 int node, i, ret; 128 char *tmp, *end; 129 unsigned char mac_addr[6]; 130 131 /* get the mac addr from env */ 132 tmp = getenv("ethaddr"); 133 if (!tmp) { 134 printf("ethaddr env variable not defined\n"); 135 return; 136 } 137 for (i = 0; i < 6; i++) { 138 mac_addr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0; 139 if (tmp) 140 tmp = (*end) ? end+1 : end; 141 } 142 143 /* find the correct fdt ethernet path and correct it */ 144 node = fdt_path_offset(blob, "/soc/fman/ethernet@e8000"); 145 if (node < 0) { 146 printf("no /soc/fman/ethernet path offset\n"); 147 return; 148 } 149 ret = fdt_setprop(blob, node, "local-mac-address", &mac_addr, 6); 150 if (ret) { 151 printf("error setting local-mac-address property\n"); 152 return; 153 } 154 } 155 #endif 156 157 void ft_board_setup(void *blob, bd_t *bd) 158 { 159 phys_addr_t base; 160 phys_size_t size; 161 162 ft_cpu_setup(blob, bd); 163 164 base = getenv_bootm_low(); 165 size = getenv_bootm_size(); 166 167 fdt_fixup_memory(blob, (u64)base, (u64)size); 168 169 #if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) 170 fdt_fixup_dr_usb(blob, bd); 171 #endif 172 173 #ifdef CONFIG_PCI 174 pci_of_setup(blob, bd); 175 #endif 176 177 fdt_fixup_liodn(blob); 178 #ifdef CONFIG_SYS_DPAA_FMAN 179 fdt_fixup_fman_ethernet(blob); 180 fdt_fixup_fman_mac_addresses(blob); 181 #endif 182 } 183