| /* |
| * Copyright 2004 Freescale Semiconductor. |
| * (C) Copyright 2003,Motorola Inc. |
| * Xianghua Xiao, (X.Xiao@motorola.com) |
| * |
| * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com> |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| |
| #include <common.h> |
| #include <pci.h> |
| #include <asm/processor.h> |
| #include <asm/mmu.h> |
| #include <asm/immap_85xx.h> |
| #include <asm/fsl_ddr_sdram.h> |
| #include <ioports.h> |
| #include <spd_sdram.h> |
| #include <miiphy.h> |
| #include <libfdt.h> |
| #include <fdt_support.h> |
| #include <asm/fsl_lbc.h> |
| |
| #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) |
| extern void ddr_enable_ecc(unsigned int dram_size); |
| #endif |
| |
| |
| void local_bus_init(void); |
| void sdram_init(void); |
| long int fixed_sdram(void); |
| |
| |
| /* |
| * I/O Port configuration table |
| * |
| * if conf is 1, then that port pin will be configured at boot time |
| * according to the five values podr/pdir/ppar/psor/pdat for that entry |
| */ |
| |
| const iop_conf_t iop_conf_tab[4][32] = { |
| |
| /* Port A configuration */ |
| { /* conf ppar psor pdir podr pdat */ |
| /* PA31 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxENB */ |
| /* PA30 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 TxClav */ |
| /* PA29 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxSOC */ |
| /* PA28 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 RxENB */ |
| /* PA27 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxSOC */ |
| /* PA26 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxClav */ |
| /* PA25 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */ |
| /* PA24 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */ |
| /* PA23 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */ |
| /* PA22 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */ |
| /* PA21 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */ |
| /* PA20 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */ |
| /* PA19 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */ |
| /* PA18 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */ |
| /* PA17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[7] */ |
| /* PA16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[6] */ |
| /* PA15 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[5] */ |
| /* PA14 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[4] */ |
| /* PA13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[3] */ |
| /* PA12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[2] */ |
| /* PA11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[1] */ |
| /* PA10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[0] */ |
| /* PA9 */ { 0, 1, 1, 1, 0, 0 }, /* FCC1 L1TXD */ |
| /* PA8 */ { 0, 1, 1, 0, 0, 0 }, /* FCC1 L1RXD */ |
| /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */ |
| /* PA6 */ { 0, 1, 1, 1, 0, 0 }, /* TDM A1 L1RSYNC */ |
| /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */ |
| /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */ |
| /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */ |
| /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */ |
| /* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* FREERUN */ |
| /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */ |
| }, |
| |
| /* Port B configuration */ |
| { /* conf ppar psor pdir podr pdat */ |
| /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */ |
| /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */ |
| /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */ |
| /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */ |
| /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */ |
| /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */ |
| /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */ |
| /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */ |
| /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */ |
| /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */ |
| /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */ |
| /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */ |
| /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */ |
| /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */ |
| /* PB17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */ |
| /* PB16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */ |
| /* PB15 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */ |
| /* PB14 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */ |
| /* PB13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:COL */ |
| /* PB12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:CRS */ |
| /* PB11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ |
| /* PB10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ |
| /* PB9 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ |
| /* PB8 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ |
| /* PB7 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ |
| /* PB6 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ |
| /* PB5 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ |
| /* PB4 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ |
| /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ |
| }, |
| |
| /* Port C */ |
| { /* conf ppar psor pdir podr pdat */ |
| /* PC31 */ { 0, 0, 0, 1, 0, 0 }, /* PC31 */ |
| /* PC30 */ { 0, 0, 0, 1, 0, 0 }, /* PC30 */ |
| /* PC29 */ { 0, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */ |
| /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */ |
| /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* UART Clock in */ |
| /* PC26 */ { 0, 0, 0, 1, 0, 0 }, /* PC26 */ |
| /* PC25 */ { 0, 0, 0, 1, 0, 0 }, /* PC25 */ |
| /* PC24 */ { 0, 0, 0, 1, 0, 0 }, /* PC24 */ |
| /* PC23 */ { 0, 1, 0, 1, 0, 0 }, /* ATMTFCLK */ |
| /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */ |
| /* PC21 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */ |
| /* PC20 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */ |
| /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK CLK13 */ |
| /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK14) */ |
| /* PC17 */ { 0, 0, 0, 1, 0, 0 }, /* PC17 */ |
| /* PC16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK16) */ |
| /* PC15 */ { 1, 1, 0, 0, 0, 0 }, /* PC15 */ |
| /* PC14 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */ |
| /* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */ |
| /* PC12 */ { 0, 1, 0, 1, 0, 0 }, /* PC12 */ |
| /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* LXT971 transmit control */ |
| /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FETHMDC */ |
| /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* FETHMDIO */ |
| /* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */ |
| /* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */ |
| /* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */ |
| /* PC5 */ { 0, 0, 0, 1, 0, 0 }, /* PC5 */ |
| /* PC4 */ { 0, 0, 0, 1, 0, 0 }, /* PC4 */ |
| /* PC3 */ { 0, 0, 0, 1, 0, 0 }, /* PC3 */ |
| /* PC2 */ { 0, 0, 0, 1, 0, 1 }, /* ENET FDE */ |
| /* PC1 */ { 0, 0, 0, 1, 0, 0 }, /* ENET DSQE */ |
| /* PC0 */ { 0, 0, 0, 1, 0, 0 }, /* ENET LBK */ |
| }, |
| |
| /* Port D */ |
| { /* conf ppar psor pdir podr pdat */ |
| /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */ |
| /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */ |
| /* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 EN TENA */ |
| /* PD28 */ { 0, 1, 0, 0, 0, 0 }, /* PD28 */ |
| /* PD27 */ { 0, 1, 1, 1, 0, 0 }, /* PD27 */ |
| /* PD26 */ { 0, 0, 0, 1, 0, 0 }, /* PD26 */ |
| /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */ |
| /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */ |
| /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */ |
| /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */ |
| /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */ |
| /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */ |
| /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */ |
| /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */ |
| /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */ |
| /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */ |
| /* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */ |
| /* PD14 */ { 0, 0, 0, 1, 0, 0 }, /* LED */ |
| /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */ |
| /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */ |
| /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */ |
| /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */ |
| /* PD9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC1 TXD */ |
| /* PD8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC1 RXD */ |
| /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */ |
| /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */ |
| /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */ |
| /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */ |
| /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ |
| /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ |
| } |
| }; |
| |
| |
| /* |
| * MPC8560ADS Board Status & Control Registers |
| */ |
| typedef struct bcsr_ { |
| volatile unsigned char bcsr0; |
| volatile unsigned char bcsr1; |
| volatile unsigned char bcsr2; |
| volatile unsigned char bcsr3; |
| volatile unsigned char bcsr4; |
| volatile unsigned char bcsr5; |
| } bcsr_t; |
| |
| void reset_phy (void) |
| { |
| #if defined(CONFIG_ETHER_ON_FCC) /* avoid compile warnings for now */ |
| volatile bcsr_t *bcsr = (bcsr_t *) CONFIG_SYS_BCSR; |
| #endif |
| /* reset Giga bit Ethernet port if needed here */ |
| |
| /* reset the CPM FEC port */ |
| #if (CONFIG_ETHER_INDEX == 2) |
| bcsr->bcsr2 &= ~FETH2_RST; |
| udelay(2); |
| bcsr->bcsr2 |= FETH2_RST; |
| udelay(1000); |
| #elif (CONFIG_ETHER_INDEX == 3) |
| bcsr->bcsr3 &= ~FETH3_RST; |
| udelay(2); |
| bcsr->bcsr3 |= FETH3_RST; |
| udelay(1000); |
| #endif |
| #if defined(CONFIG_MII) && defined(CONFIG_ETHER_ON_FCC) |
| /* reset PHY */ |
| miiphy_reset("FCC1 ETHERNET", 0x0); |
| |
| /* change PHY address to 0x02 */ |
| bb_miiphy_write(NULL, 0, PHY_MIPSCR, 0xf028); |
| |
| bb_miiphy_write(NULL, 0x02, PHY_BMCR, |
| PHY_BMCR_AUTON | PHY_BMCR_RST_NEG); |
| #endif /* CONFIG_MII */ |
| } |
| |
| |
| int checkboard (void) |
| { |
| puts("Board: ADS\n"); |
| |
| #ifdef CONFIG_PCI |
| printf(" PCI1: 32 bit, %d MHz (compiled)\n", |
| CONFIG_SYS_CLK_FREQ / 1000000); |
| #else |
| printf(" PCI1: disabled\n"); |
| #endif |
| |
| /* |
| * Initialize local bus. |
| */ |
| local_bus_init(); |
| |
| return 0; |
| } |
| |
| |
| phys_size_t |
| initdram(int board_type) |
| { |
| long dram_size = 0; |
| |
| puts("Initializing\n"); |
| |
| #if defined(CONFIG_DDR_DLL) |
| { |
| volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
| uint temp_ddrdll = 0; |
| |
| /* |
| * Work around to stabilize DDR DLL |
| */ |
| temp_ddrdll = gur->ddrdllcr; |
| gur->ddrdllcr = ((temp_ddrdll & 0xff) << 16) | 0x80000000; |
| asm("sync;isync;msync"); |
| } |
| #endif |
| |
| #ifdef CONFIG_SPD_EEPROM |
| dram_size = fsl_ddr_sdram(); |
| dram_size = setup_ddr_tlbs(dram_size / 0x100000); |
| |
| dram_size *= 0x100000; |
| #else |
| dram_size = fixed_sdram(); |
| #endif |
| |
| #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) |
| /* |
| * Initialize and enable DDR ECC. |
| */ |
| ddr_enable_ecc(dram_size); |
| #endif |
| |
| /* |
| * Initialize SDRAM. |
| */ |
| sdram_init(); |
| |
| puts(" DDR: "); |
| return dram_size; |
| } |
| |
| |
| /* |
| * Initialize Local Bus |
| */ |
| |
| void |
| local_bus_init(void) |
| { |
| volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
| volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR); |
| |
| uint clkdiv; |
| uint lbc_hz; |
| sys_info_t sysinfo; |
| |
| /* |
| * Errata LBC11. |
| * Fix Local Bus clock glitch when DLL is enabled. |
| * |
| * If localbus freq is < 66MHz, DLL bypass mode must be used. |
| * If localbus freq is > 133MHz, DLL can be safely enabled. |
| * Between 66 and 133, the DLL is enabled with an override workaround. |
| */ |
| |
| get_sys_info(&sysinfo); |
| clkdiv = lbc->lcrr & LCRR_CLKDIV; |
| lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv; |
| |
| if (lbc_hz < 66) { |
| lbc->lcrr = CONFIG_SYS_LBC_LCRR | 0x80000000; /* DLL Bypass */ |
| |
| } else if (lbc_hz >= 133) { |
| lbc->lcrr = CONFIG_SYS_LBC_LCRR & (~0x80000000); /* DLL Enabled */ |
| |
| } else { |
| /* |
| * On REV1 boards, need to change CLKDIV before enable DLL. |
| * Default CLKDIV is 8, change it to 4 temporarily. |
| */ |
| uint pvr = get_pvr(); |
| uint temp_lbcdll = 0; |
| |
| if (pvr == PVR_85xx_REV1) { |
| /* FIXME: Justify the high bit here. */ |
| lbc->lcrr = 0x10000004; |
| } |
| |
| lbc->lcrr = CONFIG_SYS_LBC_LCRR & (~0x80000000);/* DLL Enabled */ |
| udelay(200); |
| |
| /* |
| * Sample LBC DLL ctrl reg, upshift it to set the |
| * override bits. |
| */ |
| temp_lbcdll = gur->lbcdllcr; |
| gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000); |
| asm("sync;isync;msync"); |
| } |
| } |
| |
| |
| /* |
| * Initialize SDRAM memory on the Local Bus. |
| */ |
| |
| void |
| sdram_init(void) |
| { |
| volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR); |
| uint *sdram_addr = (uint *)CONFIG_SYS_LBC_SDRAM_BASE; |
| |
| puts(" SDRAM: "); |
| print_size (CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024, "\n"); |
| |
| /* |
| * Setup SDRAM Base and Option Registers |
| */ |
| lbc->or2 = CONFIG_SYS_OR2_PRELIM; |
| lbc->br2 = CONFIG_SYS_BR2_PRELIM; |
| lbc->lbcr = CONFIG_SYS_LBC_LBCR; |
| asm("msync"); |
| |
| lbc->lsrt = CONFIG_SYS_LBC_LSRT; |
| lbc->mrtpr = CONFIG_SYS_LBC_MRTPR; |
| asm("sync"); |
| |
| /* |
| * Configure the SDRAM controller. |
| */ |
| lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_1; |
| asm("sync"); |
| *sdram_addr = 0xff; |
| ppcDcbf((unsigned long) sdram_addr); |
| udelay(100); |
| |
| lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_2; |
| asm("sync"); |
| *sdram_addr = 0xff; |
| ppcDcbf((unsigned long) sdram_addr); |
| udelay(100); |
| |
| lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_3; |
| asm("sync"); |
| *sdram_addr = 0xff; |
| ppcDcbf((unsigned long) sdram_addr); |
| udelay(100); |
| |
| lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_4; |
| asm("sync"); |
| *sdram_addr = 0xff; |
| ppcDcbf((unsigned long) sdram_addr); |
| udelay(100); |
| |
| lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_5; |
| asm("sync"); |
| *sdram_addr = 0xff; |
| ppcDcbf((unsigned long) sdram_addr); |
| udelay(100); |
| } |
| |
| #if !defined(CONFIG_SPD_EEPROM) |
| /************************************************************************* |
| * fixed sdram init -- doesn't use serial presence detect. |
| ************************************************************************/ |
| long int fixed_sdram (void) |
| { |
| #ifndef CONFIG_SYS_RAMBOOT |
| volatile ccsr_ddr_t *ddr= (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR); |
| |
| ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS; |
| ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG; |
| ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1; |
| ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2; |
| ddr->sdram_mode = CONFIG_SYS_DDR_MODE; |
| ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL; |
| #if defined (CONFIG_DDR_ECC) |
| ddr->err_disable = 0x0000000D; |
| ddr->err_sbe = 0x00ff0000; |
| #endif |
| asm("sync;isync;msync"); |
| udelay(500); |
| #if defined (CONFIG_DDR_ECC) |
| /* Enable ECC checking */ |
| ddr->sdram_cfg = (CONFIG_SYS_DDR_CONTROL | 0x20000000); |
| #else |
| ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL; |
| #endif |
| asm("sync; isync; msync"); |
| udelay(500); |
| #endif |
| return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024; |
| } |
| #endif /* !defined(CONFIG_SPD_EEPROM) */ |
| |
| |
| #if defined(CONFIG_PCI) |
| /* |
| * Initialize PCI Devices, report devices found. |
| */ |
| |
| #ifndef CONFIG_PCI_PNP |
| static struct pci_config_table pci_mpc85xxads_config_table[] = { |
| { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, |
| PCI_IDSEL_NUMBER, PCI_ANY_ID, |
| pci_cfgfunc_config_device, { PCI_ENET0_IOADDR, |
| PCI_ENET0_MEMADDR, |
| PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER |
| } }, |
| { } |
| }; |
| #endif |
| |
| |
| static struct pci_controller hose = { |
| #ifndef CONFIG_PCI_PNP |
| config_table: pci_mpc85xxads_config_table, |
| #endif |
| }; |
| |
| #endif /* CONFIG_PCI */ |
| |
| |
| void |
| pci_init_board(void) |
| { |
| #ifdef CONFIG_PCI |
| pci_mpc85xx_init(&hose); |
| #endif /* CONFIG_PCI */ |
| } |
| |
| |
| #if defined(CONFIG_OF_BOARD_SETUP) |
| void |
| ft_board_setup(void *blob, bd_t *bd) |
| { |
| int node, tmp[2]; |
| const char *path; |
| |
| ft_cpu_setup(blob, bd); |
| |
| node = fdt_path_offset(blob, "/aliases"); |
| tmp[0] = 0; |
| if (node >= 0) { |
| #ifdef CONFIG_PCI |
| path = fdt_getprop(blob, node, "pci0", NULL); |
| if (path) { |
| tmp[1] = hose.last_busno - hose.first_busno; |
| do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1); |
| } |
| #endif |
| } |
| } |
| #endif |
