| /* |
| * (C) Copyright 2006 |
| * Heiko Schocher, DENX Software Engineering, hs@denx.de. |
| * |
| * 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 <ioports.h> |
| #include <mpc8260.h> |
| |
| #include <command.h> |
| #ifdef CONFIG_PCI |
| #include <pci.h> |
| #include <asm/m8260_pci.h> |
| #endif |
| |
| #if 0 |
| #define deb_printf(fmt,arg...) \ |
| printf ("TQM8272 %s %s: " fmt,__FILE__, __FUNCTION__, ##arg) |
| #else |
| #define deb_printf(fmt,arg...) \ |
| do { } while (0) |
| #endif |
| |
| #if defined(CONFIG_BOARD_GET_CPU_CLK_F) |
| unsigned long board_get_cpu_clk_f (void); |
| #endif |
| |
| /* |
| * 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, 0, 0, 1, 0, 0 }, /* FCC1 *ATMTXEN */ |
| /* PA30 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTCA */ |
| /* PA29 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTSOC */ |
| /* PA28 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 *ATMRXEN */ |
| /* PA27 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRSOC */ |
| /* PA26 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRCA */ |
| /* PA25 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */ |
| /* PA24 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */ |
| /* PA23 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */ |
| /* PA22 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */ |
| /* PA21 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */ |
| /* PA20 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */ |
| /* PA19 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */ |
| /* PA18 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */ |
| /* PA17 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[7] */ |
| /* PA16 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[6] */ |
| /* PA15 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[5] */ |
| /* PA14 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[4] */ |
| /* PA13 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[3] */ |
| /* PA12 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[2] */ |
| /* PA11 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[1] */ |
| /* PA10 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[0] */ |
| /* PA9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC2 TXD */ |
| /* PA8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC2 RXD */ |
| /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */ |
| /* PA6 */ { 0, 0, 0, 1, 0, 0 }, /* PA6 */ |
| /* 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 */ { 0, 0, 0, 1, 0, 0 }, /* PA1 */ |
| /* 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, 0, 0, 0, 0, 0 }, /* PB17 */ |
| /* PB16 */ { 0, 0, 0, 0, 0, 0 }, /* PB16 */ |
| /* PB15 */ { 0, 0, 0, 0, 0, 0 }, /* PB15 */ |
| /* PB14 */ { 0, 0, 0, 0, 0, 0 }, /* PB14 */ |
| /* PB13 */ { 0, 0, 0, 0, 0, 0 }, /* PB13 */ |
| /* PB12 */ { 0, 0, 0, 0, 0, 0 }, /* PB12 */ |
| /* PB11 */ { 0, 0, 0, 0, 0, 0 }, /* PB11 */ |
| /* PB10 */ { 0, 0, 0, 0, 0, 0 }, /* PB10 */ |
| /* PB9 */ { 0, 0, 0, 0, 0, 0 }, /* PB9 */ |
| /* PB8 */ { 0, 0, 0, 0, 0, 0 }, /* PB8 */ |
| /* PB7 */ { 0, 0, 0, 0, 0, 0 }, /* PB7 */ |
| /* PB6 */ { 0, 0, 0, 0, 0, 0 }, /* PB6 */ |
| /* PB5 */ { 0, 0, 0, 0, 0, 0 }, /* PB5 */ |
| /* PB4 */ { 0, 0, 0, 0, 0, 0 }, /* PB4 */ |
| /* 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, 0, 0, 0 }, /* PC30 */ |
| /* PC29 */ { 1, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */ |
| /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */ |
| /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* PC27 */ |
| /* 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 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */ |
| /* PC20 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */ |
| /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK */ |
| /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII TX_CLK */ |
| /* PC17 */ { 1, 0, 0, 1, 0, 0 }, /* PC17 MDC */ |
| /* PC16 */ { 1, 0, 0, 0, 0, 0 }, /* PC16 MDIO*/ |
| /* PC15 */ { 0, 0, 0, 1, 0, 0 }, /* PC15 */ |
| /* PC14 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */ |
| /* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */ |
| /* PC12 */ { 0, 0, 0, 1, 0, 0 }, /* PC12 */ |
| /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* PC11 */ |
| /* PC10 */ { 0, 0, 0, 1, 0, 0 }, /* PC10 */ |
| /* PC9 */ { 0, 0, 0, 1, 0, 0 }, /* PC9 */ |
| /* 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 */ { 1, 1, 0, 1, 0, 0 }, /* PC5 SMC1 TXD */ |
| /* PC4 */ { 1, 1, 0, 0, 0, 0 }, /* PC4 SMC1 RXD */ |
| /* 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, 0, 0, 1, 0, 0 }, /* PD28 */ |
| /* PD27 */ { 0, 0, 0, 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 }, /* PD19 */ |
| /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */ |
| /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */ |
| #if defined(CONFIG_SOFT_I2C) |
| /* PD15 */ { 1, 0, 0, 1, 1, 1 }, /* I2C SDA */ |
| /* PD14 */ { 1, 0, 0, 1, 1, 1 }, /* I2C SCL */ |
| #else |
| #if defined(CONFIG_HARD_I2C) |
| /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */ |
| /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */ |
| #else /* normal I/O port pins */ |
| /* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */ |
| /* PD14 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SCL */ |
| #endif |
| #endif |
| /* 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 */ { 1, 1, 0, 1, 0, 0 }, /* SMC1 TXD */ |
| /* PD8 */ { 1, 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, 0 }, /* 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 */ |
| } |
| }; |
| |
| #define _NOT_USED_ 0xFFFFFFFF |
| |
| /* UPM pattern for bus clock = 66.7 MHz */ |
| static const uint upmTable67[] = |
| { |
| /* Offset UPM Read Single RAM array entry -> NAND Read Data */ |
| /* 0x00 */ 0x0fa3f100, 0x0fa3b000, 0x0fa33100, 0x0fa33000, |
| /* 0x04 */ 0x0fa33000, 0x0fa33004, 0xfffffc01, 0xfffffc00, |
| |
| /* UPM Read Burst RAM array entry -> unused */ |
| /* 0x08 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| |
| /* UPM Read Burst RAM array entry -> unused */ |
| /* 0x10 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| |
| /* UPM Write Single RAM array entry -> NAND Write Data, ADDR and CMD */ |
| /* 0x18 */ 0x00a3fc00, 0x00a3fc00, 0x00a3fc00, 0x00a3fc00, |
| /* 0x1C */ 0x0fa3fc00, 0x0fa3fc04, 0xfffffc01, 0xfffffc00, |
| |
| /* UPM Write Burst RAM array entry -> unused */ |
| /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
| |
| /* UPM Refresh Timer RAM array entry -> unused */ |
| /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
| |
| /* UPM Exception RAM array entry -> unsused */ |
| /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
| }; |
| |
| /* UPM pattern for bus clock = 100 MHz */ |
| static const uint upmTable100[] = |
| { |
| /* Offset UPM Read Single RAM array entry -> NAND Read Data */ |
| /* 0x00 */ 0x0fa3f200, 0x0fa3b000, 0x0fa33300, 0x0fa33000, |
| /* 0x04 */ 0x0fa33000, 0x0fa33004, 0xfffffc01, 0xfffffc00, |
| |
| /* UPM Read Burst RAM array entry -> unused */ |
| /* 0x08 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| |
| /* UPM Read Burst RAM array entry -> unused */ |
| /* 0x10 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| |
| /* UPM Write Single RAM array entry -> NAND Write Data, ADDR and CMD */ |
| /* 0x18 */ 0x00a3ff00, 0x00a3fc00, 0x00a3fc00, 0x0fa3fc00, |
| /* 0x1C */ 0x0fa3fc00, 0x0fa3fc04, 0xfffffc01, 0xfffffc00, |
| |
| /* UPM Write Burst RAM array entry -> unused */ |
| /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
| |
| /* UPM Refresh Timer RAM array entry -> unused */ |
| /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
| |
| /* UPM Exception RAM array entry -> unsused */ |
| /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
| }; |
| |
| /* UPM pattern for bus clock = 133.3 MHz */ |
| static const uint upmTable133[] = |
| { |
| /* Offset UPM Read Single RAM array entry -> NAND Read Data */ |
| /* 0x00 */ 0x0fa3f300, 0x0fa3b000, 0x0fa33300, 0x0fa33000, |
| /* 0x04 */ 0x0fa33200, 0x0fa33004, 0xfffffc01, 0xfffffc00, |
| |
| /* UPM Read Burst RAM array entry -> unused */ |
| /* 0x08 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| |
| /* UPM Read Burst RAM array entry -> unused */ |
| /* 0x10 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| |
| /* UPM Write Single RAM array entry -> NAND Write Data, ADDR and CMD */ |
| /* 0x18 */ 0x00a3ff00, 0x00a3fc00, 0x00a3fd00, 0x0fa3fc00, |
| /* 0x1C */ 0x0fa3fd00, 0x0fa3fc04, 0xfffffc01, 0xfffffc00, |
| |
| /* UPM Write Burst RAM array entry -> unused */ |
| /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
| |
| /* UPM Refresh Timer RAM array entry -> unused */ |
| /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
| |
| /* UPM Exception RAM array entry -> unsused */ |
| /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
| }; |
| |
| static int chipsel = 0; |
| |
| /* UPM pattern for slow init */ |
| static const uint upmTableSlow[] = |
| { |
| /* Offset UPM Read Single RAM array entry */ |
| /* 0x00 */ 0xffffee00, 0x00ffcc80, 0x00ffcf00, 0x00ffdc00, |
| /* 0x04 */ 0x00ffce80, 0x00ffcc00, 0x00ffee00, 0x3fffcc07, |
| |
| /* UPM Read Burst RAM array entry -> unused */ |
| /* 0x08 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| |
| /* UPM Read Burst RAM array entry -> unused */ |
| /* 0x10 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| |
| /* UPM Write Single RAM array entry */ |
| /* 0x18 */ 0xffffee00, 0x00ffec80, 0x00ffef00, 0x00fffc80, |
| /* 0x1C */ 0x00fffe00, 0x00ffec00, 0x0fffef00, 0x3fffec05, |
| |
| /* UPM Write Burst RAM array entry -> unused */ |
| /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
| |
| /* UPM Refresh Timer RAM array entry -> unused */ |
| /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
| |
| /* UPM Exception RAM array entry -> unused */ |
| /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
| }; |
| |
| /* UPM pattern for fast init */ |
| static const uint upmTableFast[] = |
| { |
| /* Offset UPM Read Single RAM array entry */ |
| /* 0x00 */ 0xffffee00, 0x00ffcc80, 0x00ffcd80, 0x00ffdc00, |
| /* 0x04 */ 0x00ffdc00, 0x00ffcf00, 0x00ffec00, 0x3fffcc07, |
| |
| /* UPM Read Burst RAM array entry -> unused */ |
| /* 0x08 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| |
| /* UPM Read Burst RAM array entry -> unused */ |
| /* 0x10 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| |
| /* UPM Write Single RAM array entry */ |
| /* 0x18 */ 0xffffee00, 0x00ffec80, 0x00ffee80, 0x00fffc00, |
| /* 0x1C */ 0x00fffc00, 0x00ffec00, 0x0fffef00, 0x3fffec05, |
| |
| /* UPM Write Burst RAM array entry -> unused */ |
| /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
| |
| /* UPM Refresh Timer RAM array entry -> unused */ |
| /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, |
| /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
| |
| /* UPM Exception RAM array entry -> unused */ |
| /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, |
| }; |
| |
| |
| /* ------------------------------------------------------------------------- */ |
| |
| /* Check Board Identity: |
| */ |
| int checkboard (void) |
| { |
| char *p = (char *) HWIB_INFO_START_ADDR; |
| |
| puts ("Board: "); |
| if (*((unsigned long *)p) == (unsigned long)CFG_HWINFO_MAGIC) { |
| puts (p); |
| } else { |
| puts ("No HWIB assuming TQM8272"); |
| } |
| putc ('\n'); |
| |
| return 0; |
| } |
| |
| /* ------------------------------------------------------------------------- */ |
| #if defined(CONFIG_BOARD_GET_CPU_CLK_F) |
| static int get_cas_latency (void) |
| { |
| /* get it from the option -ts in CIB */ |
| /* default is 3 */ |
| int ret = 3; |
| int pos = 0; |
| char *p = (char *) CIB_INFO_START_ADDR; |
| |
| while ((*p != '\0') && (pos < CIB_INFO_LEN)) { |
| if (*p < ' ' || *p > '~') { /* ASCII strings! */ |
| return ret; |
| } |
| if (*p == '-') { |
| if ((p[1] == 't') && (p[2] == 's')) { |
| return (p[4] - '0'); |
| } |
| } |
| p++; |
| pos++; |
| } |
| return ret; |
| } |
| #endif |
| |
| static ulong set_sdram_timing (volatile uint *sdmr_ptr, ulong sdmr, int col) |
| { |
| #if defined(CONFIG_BOARD_GET_CPU_CLK_F) |
| int clk = board_get_cpu_clk_f (); |
| volatile immap_t *immr = (immap_t *)CFG_IMMR; |
| int busmode = (immr->im_siu_conf.sc_bcr & BCR_EBM ? 1 : 0); |
| int cas; |
| |
| sdmr = sdmr & ~(PSDMR_RFRC_MSK | PSDMR_PRETOACT_MSK | PSDMR_WRC_MSK | \ |
| PSDMR_BUFCMD); |
| if (busmode) { |
| switch (clk) { |
| case 66666666: |
| sdmr |= (PSDMR_RFRC_66MHZ_60X | \ |
| PSDMR_PRETOACT_66MHZ_60X | \ |
| PSDMR_WRC_66MHZ_60X | \ |
| PSDMR_BUFCMD_66MHZ_60X); |
| break; |
| case 100000000: |
| sdmr |= (PSDMR_RFRC_100MHZ_60X | \ |
| PSDMR_PRETOACT_100MHZ_60X | \ |
| PSDMR_WRC_100MHZ_60X | \ |
| PSDMR_BUFCMD_100MHZ_60X); |
| break; |
| |
| } |
| } else { |
| switch (clk) { |
| case 66666666: |
| sdmr |= (PSDMR_RFRC_66MHZ_SINGLE | \ |
| PSDMR_PRETOACT_66MHZ_SINGLE | \ |
| PSDMR_WRC_66MHZ_SINGLE | \ |
| PSDMR_BUFCMD_66MHZ_SINGLE); |
| break; |
| case 100000000: |
| sdmr |= (PSDMR_RFRC_100MHZ_SINGLE | \ |
| PSDMR_PRETOACT_100MHZ_SINGLE | \ |
| PSDMR_WRC_100MHZ_SINGLE | \ |
| PSDMR_BUFCMD_100MHZ_SINGLE); |
| break; |
| case 133333333: |
| sdmr |= (PSDMR_RFRC_133MHZ_SINGLE | \ |
| PSDMR_PRETOACT_133MHZ_SINGLE | \ |
| PSDMR_WRC_133MHZ_SINGLE | \ |
| PSDMR_BUFCMD_133MHZ_SINGLE); |
| break; |
| } |
| } |
| cas = get_cas_latency(); |
| sdmr &=~ (PSDMR_CL_MSK | PSDMR_LDOTOPRE_MSK); |
| sdmr |= cas; |
| sdmr |= ((cas - 1) << 6); |
| return sdmr; |
| #else |
| return sdmr; |
| #endif |
| } |
| |
| /* Try SDRAM initialization with P/LSDMR=sdmr and ORx=orx |
| * |
| * This routine performs standard 8260 initialization sequence |
| * and calculates the available memory size. It may be called |
| * several times to try different SDRAM configurations on both |
| * 60x and local buses. |
| */ |
| static long int try_init (volatile memctl8260_t * memctl, ulong sdmr, |
| ulong orx, volatile uchar * base, int col) |
| { |
| volatile uchar c = 0xff; |
| volatile uint *sdmr_ptr; |
| volatile uint *orx_ptr; |
| ulong maxsize, size; |
| int i; |
| |
| /* We must be able to test a location outsize the maximum legal size |
| * to find out THAT we are outside; but this address still has to be |
| * mapped by the controller. That means, that the initial mapping has |
| * to be (at least) twice as large as the maximum expected size. |
| */ |
| maxsize = (1 + (~orx | 0x7fff)) / 2; |
| |
| /* Since CFG_SDRAM_BASE is always 0 (??), we assume that |
| * we are configuring CS1 if base != 0 |
| */ |
| sdmr_ptr = base ? &memctl->memc_lsdmr : &memctl->memc_psdmr; |
| orx_ptr = base ? &memctl->memc_or2 : &memctl->memc_or1; |
| |
| *orx_ptr = orx; |
| sdmr = set_sdram_timing (sdmr_ptr, sdmr, col); |
| /* |
| * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35): |
| * |
| * "At system reset, initialization software must set up the |
| * programmable parameters in the memory controller banks registers |
| * (ORx, BRx, P/LSDMR). After all memory parameters are configured, |
| * system software should execute the following initialization sequence |
| * for each SDRAM device. |
| * |
| * 1. Issue a PRECHARGE-ALL-BANKS command |
| * 2. Issue eight CBR REFRESH commands |
| * 3. Issue a MODE-SET command to initialize the mode register |
| * |
| * The initial commands are executed by setting P/LSDMR[OP] and |
| * accessing the SDRAM with a single-byte transaction." |
| * |
| * The appropriate BRx/ORx registers have already been set when we |
| * get here. The SDRAM can be accessed at the address CFG_SDRAM_BASE. |
| */ |
| |
| *sdmr_ptr = sdmr | PSDMR_OP_PREA; |
| *base = c; |
| |
| *sdmr_ptr = sdmr | PSDMR_OP_CBRR; |
| for (i = 0; i < 8; i++) |
| *base = c; |
| |
| *sdmr_ptr = sdmr | PSDMR_OP_MRW; |
| *(base + CFG_MRS_OFFS) = c; /* setting MR on address lines */ |
| |
| *sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN; |
| *base = c; |
| |
| size = get_ram_size((long *)base, maxsize); |
| *orx_ptr = orx | ~(size - 1); |
| |
| return (size); |
| } |
| |
| long int initdram (int board_type) |
| { |
| volatile immap_t *immap = (immap_t *) CFG_IMMR; |
| volatile memctl8260_t *memctl = &immap->im_memctl; |
| |
| #ifndef CFG_RAMBOOT |
| long size8, size9; |
| #endif |
| long psize, lsize; |
| |
| psize = 16 * 1024 * 1024; |
| lsize = 0; |
| |
| memctl->memc_psrt = CFG_PSRT; |
| memctl->memc_mptpr = CFG_MPTPR; |
| |
| #ifndef CFG_RAMBOOT |
| /* 60x SDRAM setup: |
| */ |
| size8 = try_init (memctl, CFG_PSDMR_8COL, CFG_OR1_8COL, |
| (uchar *) CFG_SDRAM_BASE, 8); |
| size9 = try_init (memctl, CFG_PSDMR_9COL, CFG_OR1_9COL, |
| (uchar *) CFG_SDRAM_BASE, 9); |
| |
| if (size8 < size9) { |
| psize = size9; |
| printf ("(60x:9COL - %ld MB, ", psize >> 20); |
| } else { |
| psize = try_init (memctl, CFG_PSDMR_8COL, CFG_OR1_8COL, |
| (uchar *) CFG_SDRAM_BASE, 8); |
| printf ("(60x:8COL - %ld MB, ", psize >> 20); |
| } |
| |
| #endif /* CFG_RAMBOOT */ |
| |
| icache_enable (); |
| |
| return (psize); |
| } |
| |
| |
| static inline int scanChar (char *p, int len, unsigned long *number) |
| { |
| int akt = 0; |
| |
| *number = 0; |
| while (akt < len) { |
| if ((*p >= '0') && (*p <= '9')) { |
| *number *= 10; |
| *number += *p - '0'; |
| p += 1; |
| } else { |
| if (*p == '-') return akt; |
| return -1; |
| } |
| akt ++; |
| } |
| return akt; |
| } |
| |
| typedef struct{ |
| int Bus; |
| int flash; |
| int flash_nr; |
| int ram; |
| int ram_cs; |
| int nand; |
| int nand_cs; |
| int eeprom; |
| int can; |
| unsigned long cpunr; |
| unsigned long option; |
| int SecEng; |
| int cpucl; |
| int cpmcl; |
| int buscl; |
| int busclk_real_ok; |
| int busclk_real; |
| unsigned char OK; |
| unsigned char ethaddr[20]; |
| } HWIB_INFO; |
| |
| HWIB_INFO hwinf = {0, 0, 1, 0, 1, 0, 0, 0, 0, 8272, 0 ,0, |
| 0, 0, 0, 0, 0, 0}; |
| |
| static int dump_hwib(void) |
| { |
| HWIB_INFO *hw = &hwinf; |
| volatile immap_t *immr = (immap_t *)CFG_IMMR; |
| char *s = getenv("serial#"); |
| |
| if (hw->OK) { |
| printf ("HWIB on %x\n", HWIB_INFO_START_ADDR); |
| printf ("serial : %s\n", s); |
| printf ("ethaddr: %s\n", hw->ethaddr); |
| printf ("FLASH : %x nr:%d\n", hw->flash, hw->flash_nr); |
| printf ("RAM : %x cs:%d\n", hw->ram, hw->ram_cs); |
| printf ("CPU : %d\n", hw->cpunr); |
| printf ("CAN : %d\n", hw->can); |
| if (hw->eeprom) printf ("EEprom : %x\n", hw->eeprom); |
| else printf ("No EEprom\n"); |
| if (hw->nand) { |
| printf ("NAND : %x\n", hw->nand); |
| printf ("NAND CS: %d\n", hw->nand_cs); |
| } else { printf ("No NAND\n");} |
| printf ("Bus %s mode.\n", (hw->Bus ? "60x" : "Single PQII")); |
| printf (" real : %s\n", (immr->im_siu_conf.sc_bcr & BCR_EBM ? \ |
| "60x" : "Single PQII")); |
| printf ("Option : %x\n", hw->option); |
| printf ("%s Security Engine\n", (hw->SecEng ? "with" : "no")); |
| printf ("CPM Clk: %d\n", hw->cpmcl); |
| printf ("CPU Clk: %d\n", hw->cpucl); |
| printf ("Bus Clk: %d\n", hw->buscl); |
| if (hw->busclk_real_ok) { |
| printf (" real Clk: %d\n", hw->busclk_real); |
| } |
| printf ("CAS : %d\n", get_cas_latency()); |
| } else { |
| printf("HWIB @%x not OK\n", HWIB_INFO_START_ADDR); |
| } |
| return 0; |
| } |
| |
| static inline int search_real_busclk (int *clk) |
| { |
| int part = 0, pos = 0; |
| char *p = (char *) CIB_INFO_START_ADDR; |
| int ok = 0; |
| |
| while ((*p != '\0') && (pos < CIB_INFO_LEN)) { |
| if (*p < ' ' || *p > '~') { /* ASCII strings! */ |
| return 0; |
| } |
| switch (part) { |
| default: |
| if (*p == '-') { |
| ++part; |
| } |
| break; |
| case 3: |
| if (*p == '-') { |
| ++part; |
| break; |
| } |
| if (*p == 'b') { |
| ok = 1; |
| p++; |
| break; |
| } |
| if (ok) { |
| switch (*p) { |
| case '6': |
| *clk = 66666666; |
| return 1; |
| break; |
| case '1': |
| if (p[1] == '3') { |
| *clk = 133333333; |
| } else { |
| *clk = 100000000; |
| } |
| return 1; |
| break; |
| } |
| } |
| break; |
| } |
| p++; |
| } |
| return 0; |
| } |
| |
| int analyse_hwib (void) |
| { |
| char *p = (char *) HWIB_INFO_START_ADDR; |
| int anz; |
| int part = 1, i = 0, pos = 0; |
| HWIB_INFO *hw = &hwinf; |
| |
| deb_printf(" %s pointer: %p\n", __FUNCTION__, p); |
| /* Head = TQM */ |
| if (*((unsigned long *)p) != (unsigned long)CFG_HWINFO_MAGIC) { |
| deb_printf("No HWIB\n"); |
| return -1; |
| } |
| p += 3; |
| if (scanChar (p, 4, &hw->cpunr) < 0) { |
| deb_printf("No CPU\n"); |
| return -2; |
| } |
| p +=4; |
| |
| hw->flash = 0x200000 << (*p - 'A'); |
| p++; |
| hw->flash_nr = *p - '0'; |
| p++; |
| |
| hw->ram = 0x2000000 << (*p - 'A'); |
| p++; |
| if (*p == '2') { |
| hw->ram_cs = 2; |
| p++; |
| } |
| |
| if (*p == 'A') hw->can = 1; |
| if (*p == 'B') hw->can = 2; |
| p +=1; |
| p +=1; /* connector */ |
| if (*p != '0') { |
| hw->eeprom = 0x1000 << (*p - 'A'); |
| } |
| p++; |
| |
| if ((*p < '0') || (*p > '9')) { |
| /* NAND before z-option */ |
| hw->nand = 0x8000000 << (*p - 'A'); |
| p++; |
| hw->nand_cs = *p - '0'; |
| p += 2; |
| } |
| /* z-option */ |
| anz = scanChar (p, 4, &hw->option); |
| if (anz < 0) { |
| deb_printf("No option\n"); |
| return -3; |
| } |
| if (hw->option & 0x8) hw->Bus = 1; |
| p += anz; |
| if (*p != '-') { |
| deb_printf("No -\n"); |
| return -4; |
| } |
| p++; |
| /* C option */ |
| if (*p == 'E') { |
| hw->SecEng = 1; |
| p++; |
| } |
| switch (*p) { |
| case 'M': hw->cpucl = 266666666; |
| break; |
| case 'P': hw->cpucl = 300000000; |
| break; |
| case 'T': hw->cpucl = 400000000; |
| break; |
| default: |
| deb_printf("No CPU Clk: %c\n", *p); |
| return -5; |
| break; |
| } |
| p++; |
| switch (*p) { |
| case 'I': hw->cpmcl = 200000000; |
| break; |
| case 'M': hw->cpmcl = 300000000; |
| break; |
| default: |
| deb_printf("No CPM Clk\n"); |
| return -6; |
| break; |
| } |
| p++; |
| switch (*p) { |
| case 'B': hw->buscl = 66666666; |
| break; |
| case 'E': hw->buscl = 100000000; |
| break; |
| case 'F': hw->buscl = 133333333; |
| break; |
| default: |
| deb_printf("No BUS Clk\n"); |
| return -7; |
| break; |
| } |
| p++; |
| |
| hw->OK = 1; |
| /* search MAC Address */ |
| while ((*p != '\0') && (pos < CFG_HWINFO_SIZE)) { |
| if (*p < ' ' || *p > '~') { /* ASCII strings! */ |
| return 0; |
| } |
| switch (part) { |
| default: |
| if (*p == ' ') { |
| ++part; |
| i = 0; |
| } |
| break; |
| case 3: /* Copy MAC address */ |
| if (*p == ' ') { |
| ++part; |
| i = 0; |
| break; |
| } |
| hw->ethaddr[i++] = *p; |
| if ((i % 3) == 2) |
| hw->ethaddr[i++] = ':'; |
| break; |
| |
| } |
| p++; |
| } |
| |
| hw->busclk_real_ok = search_real_busclk (&hw->busclk_real); |
| return 0; |
| } |
| |
| #if defined(CONFIG_GET_CPU_STR_F) |
| /* !! This routine runs from Flash */ |
| char get_cpu_str_f (char *buf) |
| { |
| char *p = (char *) HWIB_INFO_START_ADDR; |
| int i = 0; |
| |
| buf[i++] = 'M'; |
| buf[i++] = 'P'; |
| buf[i++] = 'C'; |
| if (*((unsigned long *)p) == (unsigned long)CFG_HWINFO_MAGIC) { |
| buf[i++] = *&p[3]; |
| buf[i++] = *&p[4]; |
| buf[i++] = *&p[5]; |
| buf[i++] = *&p[6]; |
| } else { |
| buf[i++] = '8'; |
| buf[i++] = '2'; |
| buf[i++] = '7'; |
| buf[i++] = 'x'; |
| } |
| buf[i++] = 0; |
| return 0; |
| } |
| #endif |
| |
| #if defined(CONFIG_BOARD_GET_CPU_CLK_F) |
| /* !! This routine runs from Flash */ |
| unsigned long board_get_cpu_clk_f (void) |
| { |
| char *p = (char *) HWIB_INFO_START_ADDR; |
| int i = 0; |
| |
| if (*((unsigned long *)p) == (unsigned long)CFG_HWINFO_MAGIC) { |
| if (search_real_busclk (&i)) |
| return i; |
| } |
| return CONFIG_8260_CLKIN; |
| } |
| #endif |
| |
| #if CONFIG_BOARD_EARLY_INIT_R |
| |
| static int can_test (unsigned long off) |
| { |
| volatile unsigned char *base = (unsigned char *) (CFG_CAN_BASE + off); |
| |
| *(base + 0x17) = 'T'; |
| *(base + 0x18) = 'Q'; |
| *(base + 0x19) = 'M'; |
| if ((*(base + 0x17) != 'T') || |
| (*(base + 0x18) != 'Q') || |
| (*(base + 0x19) != 'M')) { |
| return 0; |
| } |
| return 1; |
| } |
| |
| static int can_config_one (unsigned long off) |
| { |
| volatile unsigned char *ctrl = (unsigned char *) (CFG_CAN_BASE + off); |
| volatile unsigned char *cpu_if = (unsigned char *) (CFG_CAN_BASE + off + 0x02); |
| volatile unsigned char *clkout = (unsigned char *) (CFG_CAN_BASE + off + 0x1f); |
| unsigned char temp; |
| |
| *cpu_if = 0x45; |
| temp = *ctrl; |
| temp |= 0x40; |
| *ctrl = temp; |
| *clkout = 0x20; |
| temp = *ctrl; |
| temp &= ~0x40; |
| *ctrl = temp; |
| return 0; |
| } |
| |
| static int can_config (void) |
| { |
| int ret = 0; |
| can_config_one (0); |
| if (hwinf.can == 2) { |
| can_config_one (0x100); |
| } |
| /* make Test if they really there */ |
| ret += can_test (0); |
| ret += can_test (0x100); |
| return ret; |
| } |
| |
| static int init_can (void) |
| { |
| volatile immap_t * immr = (immap_t *)CFG_IMMR; |
| volatile memctl8260_t *memctl = &immr->im_memctl; |
| int count = 0; |
| |
| if ((hwinf.OK) && (hwinf.can)) { |
| memctl->memc_or4 = CFG_CAN_OR; |
| memctl->memc_br4 = CFG_CAN_BR; |
| /* upm Init */ |
| upmconfig (UPMC, (uint *) upmTableFast, |
| sizeof (upmTableFast) / sizeof (uint)); |
| memctl->memc_mcmr = (MxMR_DSx_3_CYCL | |
| MxMR_GPL_x4DIS | |
| MxMR_RLFx_2X | |
| MxMR_WLFx_2X | |
| MxMR_OP_NORM); |
| /* can configure */ |
| count = can_config (); |
| printf ("CAN: %d @ %x\n", count, CFG_CAN_BASE); |
| if (hwinf.can != count) printf("!!! difference to HWIB\n"); |
| } else { |
| printf ("CAN: No\n"); |
| } |
| return 0; |
| } |
| |
| int board_early_init_r(void) |
| { |
| analyse_hwib (); |
| init_can (); |
| return 0; |
| } |
| #endif |
| |
| int do_hwib_dump (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) |
| { |
| dump_hwib (); |
| return 0; |
| } |
| |
| U_BOOT_CMD( |
| hwib, 1, 1, do_hwib_dump, |
| "hwib - dump HWIB'\n", |
| "\n" |
| ); |
| |
| #ifdef CFG_UPDATE_FLASH_SIZE |
| static int get_flash_timing (void) |
| { |
| /* get it from the option -tf in CIB */ |
| /* default is 0x00000c84 */ |
| int ret = 0x00000c84; |
| int pos = 0; |
| int nr = 0; |
| char *p = (char *) CIB_INFO_START_ADDR; |
| |
| while ((*p != '\0') && (pos < CIB_INFO_LEN)) { |
| if (*p < ' ' || *p > '~') { /* ASCII strings! */ |
| return ret; |
| } |
| if (*p == '-') { |
| if ((p[1] == 't') && (p[2] == 'f')) { |
| p += 6; |
| ret = 0; |
| while (nr < 8) { |
| if ((*p >= '0') && (*p <= '9')) { |
| ret *= 0x10; |
| ret += *p - '0'; |
| p += 1; |
| nr ++; |
| } else if ((*p >= 'A') && (*p <= 'F')) { |
| ret *= 10; |
| ret += *p - '7'; |
| p += 1; |
| nr ++; |
| } else { |
| if (nr < 8) return 0x00000c84; |
| return ret; |
| } |
| } |
| } |
| } |
| p++; |
| pos++; |
| } |
| return ret; |
| } |
| |
| /* Update the Flash_Size and the Flash Timing */ |
| int update_flash_size (int flash_size) |
| { |
| volatile immap_t * immr = (immap_t *)CFG_IMMR; |
| volatile memctl8260_t *memctl = &immr->im_memctl; |
| unsigned long reg; |
| unsigned long tim; |
| |
| /* I must use reg, otherwise the board hang */ |
| reg = memctl->memc_or0; |
| reg &= ~ORxU_AM_MSK; |
| reg |= MEG_TO_AM(flash_size >> 20); |
| tim = get_flash_timing (); |
| reg &= ~0xfff; |
| reg |= (tim & 0xfff); |
| memctl->memc_or0 = reg; |
| return 0; |
| } |
| #endif |
| |
| #if defined(CONFIG_CMD_NAND) |
| |
| #include <nand.h> |
| #include <linux/mtd/mtd.h> |
| |
| static u8 hwctl = 0; |
| |
| static void upmnand_hwcontrol(struct mtd_info *mtdinfo, int cmd) |
| { |
| switch (cmd) { |
| case NAND_CTL_SETCLE: |
| hwctl |= 0x1; |
| break; |
| case NAND_CTL_CLRCLE: |
| hwctl &= ~0x1; |
| break; |
| |
| case NAND_CTL_SETALE: |
| hwctl |= 0x2; |
| break; |
| |
| case NAND_CTL_CLRALE: |
| hwctl &= ~0x2; |
| break; |
| } |
| } |
| |
| static void upmnand_write_byte(struct mtd_info *mtdinfo, u_char byte) |
| { |
| struct nand_chip *this = mtdinfo->priv; |
| ulong base = (ulong) (this->IO_ADDR_W + chipsel * CFG_NAND_CS_DIST); |
| |
| if (hwctl & 0x1) { |
| WRITE_NAND_UPM(byte, base, CFG_NAND_UPM_WRITE_CMD_OFS); |
| } else if (hwctl & 0x2) { |
| WRITE_NAND_UPM(byte, base, CFG_NAND_UPM_WRITE_ADDR_OFS); |
| } else { |
| WRITE_NAND(byte, base); |
| } |
| } |
| |
| static u_char upmnand_read_byte(struct mtd_info *mtdinfo) |
| { |
| struct nand_chip *this = mtdinfo->priv; |
| ulong base = (ulong) (this->IO_ADDR_W + chipsel * CFG_NAND_CS_DIST); |
| |
| return READ_NAND(base); |
| } |
| |
| static int tqm8272_dev_ready(struct mtd_info *mtdinfo) |
| { |
| /* constant delay (see also tR in the datasheet) */ |
| udelay(12); \ |
| return 1; |
| } |
| |
| #ifndef CONFIG_NAND_SPL |
| static void tqm8272_read_buf(struct mtd_info *mtdinfo, uint8_t *buf, int len) |
| { |
| struct nand_chip *this = mtdinfo->priv; |
| unsigned char *base = (unsigned char *) (this->IO_ADDR_W + chipsel * CFG_NAND_CS_DIST); |
| int i; |
| |
| for (i = 0; i< len; i++) |
| buf[i] = *base; |
| } |
| |
| static void tqm8272_write_buf(struct mtd_info *mtdinfo, const uint8_t *buf, int len) |
| { |
| struct nand_chip *this = mtdinfo->priv; |
| unsigned char *base = (unsigned char *) (this->IO_ADDR_W + chipsel * CFG_NAND_CS_DIST); |
| int i; |
| |
| for (i = 0; i< len; i++) |
| *base = buf[i]; |
| } |
| |
| static int tqm8272_verify_buf(struct mtd_info *mtdinfo, const uint8_t *buf, int len) |
| { |
| struct nand_chip *this = mtdinfo->priv; |
| unsigned char *base = (unsigned char *) (this->IO_ADDR_W + chipsel * CFG_NAND_CS_DIST); |
| int i; |
| |
| for (i = 0; i < len; i++) |
| if (buf[i] != *base) |
| return -1; |
| return 0; |
| } |
| #endif /* #ifndef CONFIG_NAND_SPL */ |
| |
| void board_nand_select_device(struct nand_chip *nand, int chip) |
| { |
| chipsel = chip; |
| } |
| |
| int board_nand_init(struct nand_chip *nand) |
| { |
| static int UpmInit = 0; |
| volatile immap_t * immr = (immap_t *)CFG_IMMR; |
| volatile memctl8260_t *memctl = &immr->im_memctl; |
| |
| if (hwinf.nand == 0) return -1; |
| |
| /* Setup the UPM */ |
| if (UpmInit == 0) { |
| switch (hwinf.busclk_real) { |
| case 100000000: |
| upmconfig (UPMB, (uint *) upmTable100, |
| sizeof (upmTable100) / sizeof (uint)); |
| break; |
| case 133333333: |
| upmconfig (UPMB, (uint *) upmTable133, |
| sizeof (upmTable133) / sizeof (uint)); |
| break; |
| default: |
| upmconfig (UPMB, (uint *) upmTable67, |
| sizeof (upmTable67) / sizeof (uint)); |
| break; |
| } |
| UpmInit = 1; |
| } |
| |
| /* Setup the memctrl */ |
| memctl->memc_or3 = CFG_NAND_OR; |
| memctl->memc_br3 = CFG_NAND_BR; |
| memctl->memc_mbmr = (MxMR_OP_NORM); |
| |
| nand->eccmode = NAND_ECC_SOFT; |
| |
| nand->hwcontrol = upmnand_hwcontrol; |
| nand->read_byte = upmnand_read_byte; |
| nand->write_byte = upmnand_write_byte; |
| nand->dev_ready = tqm8272_dev_ready; |
| |
| #ifndef CONFIG_NAND_SPL |
| nand->write_buf = tqm8272_write_buf; |
| nand->read_buf = tqm8272_read_buf; |
| nand->verify_buf = tqm8272_verify_buf; |
| #endif |
| |
| /* |
| * Select required NAND chip |
| */ |
| board_nand_select_device(nand, 0); |
| return 0; |
| } |
| |
| #endif |
| |
| #ifdef CONFIG_PCI |
| struct pci_controller hose; |
| |
| int board_early_init_f (void) |
| { |
| volatile immap_t *immap = (immap_t *) CFG_IMMR; |
| |
| immap->im_clkrst.car_sccr |= M826X_SCCR_PCI_MODE_EN; |
| return 0; |
| } |
| |
| extern void pci_mpc8250_init(struct pci_controller *); |
| |
| void pci_init_board(void) |
| { |
| pci_mpc8250_init(&hose); |
| } |
| #endif |