1 /* 2 * Copyright (C) 2007 Freescale Semiconductor, Inc. 3 * 4 * Michael Barkowski <michael.barkowski@freescale.com> 5 * Based on mpc832xmds file by Dave Liu <daveliu@freescale.com> 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License version 2 as published 9 * by the Free Software Foundation. 10 */ 11 12 #include <common.h> 13 #include <ioports.h> 14 #include <mpc83xx.h> 15 #include <i2c.h> 16 #include <miiphy.h> 17 #include <command.h> 18 #include <libfdt.h> 19 #if defined(CONFIG_PCI) 20 #include <pci.h> 21 #endif 22 #include <asm/mmu.h> 23 24 const qe_iop_conf_t qe_iop_conf_tab[] = { 25 /* UCC3 */ 26 {1, 0, 1, 0, 1}, /* TxD0 */ 27 {1, 1, 1, 0, 1}, /* TxD1 */ 28 {1, 2, 1, 0, 1}, /* TxD2 */ 29 {1, 3, 1, 0, 1}, /* TxD3 */ 30 {1, 9, 1, 0, 1}, /* TxER */ 31 {1, 12, 1, 0, 1}, /* TxEN */ 32 {3, 24, 2, 0, 1}, /* TxCLK->CLK10 */ 33 34 {1, 4, 2, 0, 1}, /* RxD0 */ 35 {1, 5, 2, 0, 1}, /* RxD1 */ 36 {1, 6, 2, 0, 1}, /* RxD2 */ 37 {1, 7, 2, 0, 1}, /* RxD3 */ 38 {1, 8, 2, 0, 1}, /* RxER */ 39 {1, 10, 2, 0, 1}, /* RxDV */ 40 {0, 13, 2, 0, 1}, /* RxCLK->CLK9 */ 41 {1, 11, 2, 0, 1}, /* COL */ 42 {1, 13, 2, 0, 1}, /* CRS */ 43 44 /* UCC2 */ 45 {0, 18, 1, 0, 1}, /* TxD0 */ 46 {0, 19, 1, 0, 1}, /* TxD1 */ 47 {0, 20, 1, 0, 1}, /* TxD2 */ 48 {0, 21, 1, 0, 1}, /* TxD3 */ 49 {0, 27, 1, 0, 1}, /* TxER */ 50 {0, 30, 1, 0, 1}, /* TxEN */ 51 {3, 23, 2, 0, 1}, /* TxCLK->CLK3 */ 52 53 {0, 22, 2, 0, 1}, /* RxD0 */ 54 {0, 23, 2, 0, 1}, /* RxD1 */ 55 {0, 24, 2, 0, 1}, /* RxD2 */ 56 {0, 25, 2, 0, 1}, /* RxD3 */ 57 {0, 26, 1, 0, 1}, /* RxER */ 58 {0, 28, 2, 0, 1}, /* Rx_DV */ 59 {3, 21, 2, 0, 1}, /* RxCLK->CLK16 */ 60 {0, 29, 2, 0, 1}, /* COL */ 61 {0, 31, 2, 0, 1}, /* CRS */ 62 63 {3, 4, 3, 0, 2}, /* MDIO */ 64 {3, 5, 1, 0, 2}, /* MDC */ 65 66 {0, 0, 0, 0, QE_IOP_TAB_END}, /* END of table */ 67 }; 68 69 int fixed_sdram(void); 70 71 phys_size_t initdram(int board_type) 72 { 73 volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR; 74 u32 msize = 0; 75 76 if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im) 77 return -1; 78 79 /* DDR SDRAM - Main SODIMM */ 80 im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_BASE & LAWBAR_BAR; 81 82 msize = fixed_sdram(); 83 84 /* return total bus SDRAM size(bytes) -- DDR */ 85 return (msize * 1024 * 1024); 86 } 87 88 /************************************************************************* 89 * fixed sdram init -- doesn't use serial presence detect. 90 ************************************************************************/ 91 int fixed_sdram(void) 92 { 93 volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR; 94 u32 msize = 0; 95 u32 ddr_size; 96 u32 ddr_size_log2; 97 98 msize = CONFIG_SYS_DDR_SIZE; 99 for (ddr_size = msize << 20, ddr_size_log2 = 0; 100 (ddr_size > 1); ddr_size = ddr_size >> 1, ddr_size_log2++) { 101 if (ddr_size & 1) { 102 return -1; 103 } 104 } 105 im->sysconf.ddrlaw[0].ar = 106 LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE); 107 im->ddr.sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CNTL; 108 im->ddr.csbnds[0].csbnds = CONFIG_SYS_DDR_CS0_BNDS; 109 im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG; 110 im->ddr.timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0; 111 im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1; 112 im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2; 113 im->ddr.timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3; 114 im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG; 115 im->ddr.sdram_cfg2 = CONFIG_SYS_DDR_SDRAM_CFG2; 116 im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE; 117 im->ddr.sdram_mode2 = CONFIG_SYS_DDR_MODE2; 118 im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL; 119 __asm__ __volatile__ ("sync"); 120 udelay(200); 121 122 im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN; 123 __asm__ __volatile__ ("sync"); 124 return msize; 125 } 126 127 int checkboard(void) 128 { 129 puts("Board: Freescale MPC8323ERDB\n"); 130 return 0; 131 } 132 133 static struct pci_region pci_regions[] = { 134 { 135 bus_start: CONFIG_SYS_PCI1_MEM_BASE, 136 phys_start: CONFIG_SYS_PCI1_MEM_PHYS, 137 size: CONFIG_SYS_PCI1_MEM_SIZE, 138 flags: PCI_REGION_MEM | PCI_REGION_PREFETCH 139 }, 140 { 141 bus_start: CONFIG_SYS_PCI1_MMIO_BASE, 142 phys_start: CONFIG_SYS_PCI1_MMIO_PHYS, 143 size: CONFIG_SYS_PCI1_MMIO_SIZE, 144 flags: PCI_REGION_MEM 145 }, 146 { 147 bus_start: CONFIG_SYS_PCI1_IO_BASE, 148 phys_start: CONFIG_SYS_PCI1_IO_PHYS, 149 size: CONFIG_SYS_PCI1_IO_SIZE, 150 flags: PCI_REGION_IO 151 } 152 }; 153 154 void pci_init_board(void) 155 { 156 volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR; 157 volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk; 158 volatile law83xx_t *pci_law = immr->sysconf.pcilaw; 159 struct pci_region *reg[] = { pci_regions }; 160 161 /* Enable all 3 PCI_CLK_OUTPUTs. */ 162 clk->occr |= 0xe0000000; 163 164 /* Configure PCI Local Access Windows */ 165 pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR; 166 pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB; 167 168 pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR; 169 pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB; 170 171 mpc83xx_pci_init(1, reg); 172 } 173 174 #if defined(CONFIG_OF_BOARD_SETUP) 175 void ft_board_setup(void *blob, bd_t *bd) 176 { 177 ft_cpu_setup(blob, bd); 178 #ifdef CONFIG_PCI 179 ft_pci_setup(blob, bd); 180 #endif 181 } 182 #endif 183 184 #if defined(CONFIG_SYS_I2C_MAC_OFFSET) 185 int mac_read_from_eeprom(void) 186 { 187 uchar buf[28]; 188 char str[18]; 189 int i = 0; 190 unsigned int crc = 0; 191 unsigned char enetvar[32]; 192 193 /* Read MAC addresses from EEPROM */ 194 if (eeprom_read(CONFIG_SYS_I2C_EEPROM_ADDR, CONFIG_SYS_I2C_MAC_OFFSET, buf, 28)) { 195 printf("\nEEPROM @ 0x%02x read FAILED!!!\n", 196 CONFIG_SYS_I2C_EEPROM_ADDR); 197 } else { 198 if (crc32(crc, buf, 24) == *(unsigned int *)&buf[24]) { 199 printf("Reading MAC from EEPROM\n"); 200 for (i = 0; i < 4; i++) { 201 if (memcmp(&buf[i * 6], "\0\0\0\0\0\0", 6)) { 202 sprintf(str, 203 "%02X:%02X:%02X:%02X:%02X:%02X", 204 buf[i * 6], buf[i * 6 + 1], 205 buf[i * 6 + 2], buf[i * 6 + 3], 206 buf[i * 6 + 4], buf[i * 6 + 5]); 207 sprintf((char *)enetvar, 208 i ? "eth%daddr" : "ethaddr", i); 209 setenv((char *)enetvar, str); 210 } 211 } 212 } 213 } 214 return 0; 215 } 216 #endif /* CONFIG_I2C_MAC_OFFSET */ 217