mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-24 12:03:39 +00:00
83d290c56f
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
427 lines
15 KiB
C
427 lines
15 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2004, 2011 Freescale Semiconductor.
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*/
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#include <common.h>
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#include <pci.h>
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#include <asm/processor.h>
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#include <asm/mmu.h>
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#include <asm/immap_85xx.h>
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#include <fsl_ddr_sdram.h>
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#include <ioports.h>
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#include <spd_sdram.h>
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#include <linux/libfdt.h>
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#include <fdt_support.h>
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#include "../common/cadmus.h"
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#include "../common/eeprom.h"
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#include "../common/via.h"
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#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
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extern void ddr_enable_ecc(unsigned int dram_size);
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#endif
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void local_bus_init(void);
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/*
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* I/O Port configuration table
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*
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* if conf is 1, then that port pin will be configured at boot time
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* according to the five values podr/pdir/ppar/psor/pdat for that entry
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*/
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const iop_conf_t iop_conf_tab[4][32] = {
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/* Port A configuration */
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{ /* conf ppar psor pdir podr pdat */
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/* PA31 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxENB */
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/* PA30 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 TxClav */
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/* PA29 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxSOC */
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/* PA28 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 RxENB */
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/* PA27 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxSOC */
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/* PA26 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxClav */
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/* PA25 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */
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/* PA24 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */
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/* PA23 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */
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/* PA22 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */
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/* PA21 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */
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/* PA20 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */
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/* PA19 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */
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/* PA18 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */
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/* PA17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[7] */
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/* PA16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[6] */
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/* PA15 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[5] */
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/* PA14 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[4] */
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/* PA13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[3] */
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/* PA12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[2] */
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/* PA11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[1] */
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/* PA10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[0] */
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/* PA9 */ { 0, 1, 1, 1, 0, 0 }, /* FCC1 L1TXD */
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/* PA8 */ { 0, 1, 1, 0, 0, 0 }, /* FCC1 L1RXD */
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/* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */
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/* PA6 */ { 0, 1, 1, 1, 0, 0 }, /* TDM A1 L1RSYNC */
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/* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */
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/* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */
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/* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */
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/* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */
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/* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* FREERUN */
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/* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */
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},
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/* Port B configuration */
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{ /* conf ppar psor pdir podr pdat */
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/* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */
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/* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */
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/* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */
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/* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */
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/* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */
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/* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */
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/* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */
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/* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */
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/* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */
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/* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */
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/* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */
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/* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */
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/* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */
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/* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */
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/* PB17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */
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/* PB16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */
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/* PB15 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */
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/* PB14 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */
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/* PB13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:COL */
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/* PB12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:CRS */
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/* PB11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
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/* PB10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
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/* PB9 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
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/* PB8 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
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/* PB7 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
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/* PB6 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
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/* PB5 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
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/* PB4 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
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/* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
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/* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
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/* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
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/* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
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},
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/* Port C */
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{ /* conf ppar psor pdir podr pdat */
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/* PC31 */ { 0, 0, 0, 1, 0, 0 }, /* PC31 */
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/* PC30 */ { 0, 0, 0, 1, 0, 0 }, /* PC30 */
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/* PC29 */ { 0, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */
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/* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */
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/* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* UART Clock in */
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/* PC26 */ { 0, 0, 0, 1, 0, 0 }, /* PC26 */
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/* PC25 */ { 0, 0, 0, 1, 0, 0 }, /* PC25 */
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/* PC24 */ { 0, 0, 0, 1, 0, 0 }, /* PC24 */
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/* PC23 */ { 0, 1, 0, 1, 0, 0 }, /* ATMTFCLK */
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/* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */
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/* PC21 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */
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/* PC20 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */
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/* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK CLK13 */
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/* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK14) */
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/* PC17 */ { 0, 0, 0, 1, 0, 0 }, /* PC17 */
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/* PC16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK16) */
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/* PC15 */ { 1, 1, 0, 0, 0, 0 }, /* PC15 */
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/* PC14 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */
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/* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */
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/* PC12 */ { 0, 1, 0, 1, 0, 0 }, /* PC12 */
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/* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* LXT971 transmit control */
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/* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FETHMDC */
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/* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* FETHMDIO */
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/* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */
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/* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */
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/* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */
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/* PC5 */ { 0, 0, 0, 1, 0, 0 }, /* PC5 */
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/* PC4 */ { 0, 0, 0, 1, 0, 0 }, /* PC4 */
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/* PC3 */ { 0, 0, 0, 1, 0, 0 }, /* PC3 */
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/* PC2 */ { 0, 0, 0, 1, 0, 1 }, /* ENET FDE */
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/* PC1 */ { 0, 0, 0, 1, 0, 0 }, /* ENET DSQE */
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/* PC0 */ { 0, 0, 0, 1, 0, 0 }, /* ENET LBK */
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},
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/* Port D */
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{ /* conf ppar psor pdir podr pdat */
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/* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */
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/* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */
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/* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 EN TENA */
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/* PD28 */ { 0, 1, 0, 0, 0, 0 }, /* PD28 */
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/* PD27 */ { 0, 1, 1, 1, 0, 0 }, /* PD27 */
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/* PD26 */ { 0, 0, 0, 1, 0, 0 }, /* PD26 */
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/* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */
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/* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */
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/* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */
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/* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */
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/* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */
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/* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */
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/* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */
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/* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */
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/* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */
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/* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */
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/* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */
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/* PD14 */ { 0, 0, 0, 1, 0, 0 }, /* LED */
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/* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */
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/* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */
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/* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */
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/* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */
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/* PD9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC1 TXD */
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/* PD8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC1 RXD */
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/* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */
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/* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */
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/* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */
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/* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */
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/* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
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/* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
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/* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
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/* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
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}
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};
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int checkboard (void)
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{
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volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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char buf[32];
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/* PCI slot in USER bits CSR[6:7] by convention. */
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uint pci_slot = get_pci_slot ();
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uint pci_dual = get_pci_dual (); /* PCI DUAL in CM_PCI[3] */
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uint pci1_32 = gur->pordevsr & 0x10000; /* PORDEVSR[15] */
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uint pci1_clk_sel = gur->porpllsr & 0x8000; /* PORPLLSR[16] */
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uint pci2_clk_sel = gur->porpllsr & 0x4000; /* PORPLLSR[17] */
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uint pci1_speed = get_clock_freq (); /* PCI PSPEED in [4:5] */
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uint cpu_board_rev = get_cpu_board_revision ();
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printf ("Board: CDS Version 0x%02x, PCI Slot %d\n",
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get_board_version (), pci_slot);
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printf ("CPU Board Revision %d.%d (0x%04x)\n",
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MPC85XX_CPU_BOARD_MAJOR (cpu_board_rev),
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MPC85XX_CPU_BOARD_MINOR (cpu_board_rev), cpu_board_rev);
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printf("PCI1: %d bit, %s MHz, %s\n",
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(pci1_32) ? 32 : 64,
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strmhz(buf, pci1_speed),
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pci1_clk_sel ? "sync" : "async");
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if (pci_dual) {
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printf("PCI2: 32 bit, 66 MHz, %s\n",
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pci2_clk_sel ? "sync" : "async");
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} else {
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printf("PCI2: disabled\n");
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}
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/*
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* Initialize local bus.
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*/
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local_bus_init ();
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return 0;
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}
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/*
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* Initialize Local Bus
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*/
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void
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local_bus_init(void)
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{
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volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
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uint clkdiv;
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uint lbc_hz;
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sys_info_t sysinfo;
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uint temp_lbcdll;
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/*
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* Errata LBC11.
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* Fix Local Bus clock glitch when DLL is enabled.
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*
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* If localbus freq is < 66MHz, DLL bypass mode must be used.
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* If localbus freq is > 133MHz, DLL can be safely enabled.
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* Between 66 and 133, the DLL is enabled with an override workaround.
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*/
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get_sys_info(&sysinfo);
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clkdiv = lbc->lcrr & LCRR_CLKDIV;
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lbc_hz = sysinfo.freq_systembus / 1000000 / clkdiv;
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if (lbc_hz < 66) {
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lbc->lcrr |= LCRR_DBYP; /* DLL Bypass */
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} else if (lbc_hz >= 133) {
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lbc->lcrr &= (~LCRR_DBYP); /* DLL Enabled */
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} else {
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lbc->lcrr &= (~LCRR_DBYP); /* DLL Enabled */
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udelay(200);
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/*
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* Sample LBC DLL ctrl reg, upshift it to set the
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* override bits.
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*/
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temp_lbcdll = gur->lbcdllcr;
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gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000);
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asm("sync;isync;msync");
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}
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}
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/*
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* Initialize SDRAM memory on the Local Bus.
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*/
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void lbc_sdram_init(void)
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{
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#if defined(CONFIG_SYS_OR2_PRELIM) && defined(CONFIG_SYS_BR2_PRELIM)
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uint idx;
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volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
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uint *sdram_addr = (uint *)CONFIG_SYS_LBC_SDRAM_BASE;
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uint cpu_board_rev;
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uint lsdmr_common;
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puts("LBC SDRAM: ");
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print_size(CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024,
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"\n ");
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/*
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* Setup SDRAM Base and Option Registers
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*/
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set_lbc_or(2, CONFIG_SYS_OR2_PRELIM);
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set_lbc_br(2, CONFIG_SYS_BR2_PRELIM);
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lbc->lbcr = CONFIG_SYS_LBC_LBCR;
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asm("msync");
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lbc->lsrt = CONFIG_SYS_LBC_LSRT;
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lbc->mrtpr = CONFIG_SYS_LBC_MRTPR;
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asm("msync");
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/*
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* Determine which address lines to use baed on CPU board rev.
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*/
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cpu_board_rev = get_cpu_board_revision();
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lsdmr_common = CONFIG_SYS_LBC_LSDMR_COMMON;
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if (cpu_board_rev == MPC85XX_CPU_BOARD_REV_1_0) {
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lsdmr_common |= LSDMR_BSMA1617;
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} else if (cpu_board_rev == MPC85XX_CPU_BOARD_REV_1_1) {
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lsdmr_common |= LSDMR_BSMA1516;
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} else {
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/*
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* Assume something unable to identify itself is
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* really old, and likely has lines 16/17 mapped.
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*/
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lsdmr_common |= LSDMR_BSMA1617;
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}
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/*
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* Issue PRECHARGE ALL command.
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*/
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lbc->lsdmr = lsdmr_common | LSDMR_OP_PCHALL;
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asm("sync;msync");
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*sdram_addr = 0xff;
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ppcDcbf((unsigned long) sdram_addr);
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udelay(100);
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/*
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* Issue 8 AUTO REFRESH commands.
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*/
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for (idx = 0; idx < 8; idx++) {
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lbc->lsdmr = lsdmr_common | LSDMR_OP_ARFRSH;
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asm("sync;msync");
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*sdram_addr = 0xff;
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ppcDcbf((unsigned long) sdram_addr);
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udelay(100);
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}
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/*
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* Issue 8 MODE-set command.
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*/
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lbc->lsdmr = lsdmr_common | LSDMR_OP_MRW;
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asm("sync;msync");
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*sdram_addr = 0xff;
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ppcDcbf((unsigned long) sdram_addr);
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udelay(100);
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/*
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* Issue NORMAL OP command.
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*/
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lbc->lsdmr = lsdmr_common | LSDMR_OP_NORMAL;
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asm("sync;msync");
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*sdram_addr = 0xff;
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ppcDcbf((unsigned long) sdram_addr);
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udelay(200); /* Overkill. Must wait > 200 bus cycles */
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#endif /* enable SDRAM init */
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}
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#ifdef CONFIG_PCI
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/* For some reason the Tundra PCI bridge shows up on itself as a
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* different device. Work around that by refusing to configure it
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*/
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void dummy_func(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab) { }
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static struct pci_config_table pci_mpc85xxcds_config_table[] = {
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{0x10e3, 0x0513, PCI_ANY_ID, 1, 3, PCI_ANY_ID, dummy_func, {0,0,0}},
|
|
{0x1106, 0x0686, PCI_ANY_ID, 1, VIA_ID, 0, mpc85xx_config_via, {0,0,0}},
|
|
{0x1106, 0x0571, PCI_ANY_ID, 1, VIA_ID, 1,
|
|
mpc85xx_config_via_usbide, {0,0,0}},
|
|
{0x1105, 0x3038, PCI_ANY_ID, 1, VIA_ID, 2,
|
|
mpc85xx_config_via_usb, {0,0,0}},
|
|
{0x1106, 0x3038, PCI_ANY_ID, 1, VIA_ID, 3,
|
|
mpc85xx_config_via_usb2, {0,0,0}},
|
|
{0x1106, 0x3058, PCI_ANY_ID, 1, VIA_ID, 5,
|
|
mpc85xx_config_via_power, {0,0,0}},
|
|
{0x1106, 0x3068, PCI_ANY_ID, 1, VIA_ID, 6,
|
|
mpc85xx_config_via_ac97, {0,0,0}},
|
|
{},
|
|
};
|
|
|
|
|
|
static struct pci_controller hose[] = {
|
|
{
|
|
config_table: pci_mpc85xxcds_config_table,
|
|
},
|
|
#ifdef CONFIG_MPC85XX_PCI2
|
|
{},
|
|
#endif
|
|
};
|
|
|
|
#endif
|
|
|
|
void
|
|
pci_init_board(void)
|
|
{
|
|
#ifdef CONFIG_PCI
|
|
pci_mpc85xx_init(hose);
|
|
#endif
|
|
}
|
|
|
|
#if defined(CONFIG_OF_BOARD_SETUP)
|
|
void
|
|
ft_pci_setup(void *blob, bd_t *bd)
|
|
{
|
|
int node, tmp[2];
|
|
const char *path;
|
|
|
|
node = fdt_path_offset(blob, "/aliases");
|
|
tmp[0] = 0;
|
|
if (node >= 0) {
|
|
#ifdef CONFIG_PCI1
|
|
path = fdt_getprop(blob, node, "pci0", NULL);
|
|
if (path) {
|
|
tmp[1] = hose[0].last_busno - hose[0].first_busno;
|
|
do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
|
|
}
|
|
#endif
|
|
#ifdef CONFIG_MPC85XX_PCI2
|
|
path = fdt_getprop(blob, node, "pci1", NULL);
|
|
if (path) {
|
|
tmp[1] = hose[1].last_busno - hose[1].first_busno;
|
|
do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
#endif
|