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-rw-r--r--board/freescale/mpc8260ads/mpc8260ads.c544
1 files changed, 0 insertions, 544 deletions
diff --git a/board/freescale/mpc8260ads/mpc8260ads.c b/board/freescale/mpc8260ads/mpc8260ads.c
deleted file mode 100644
index b8c8ce9..0000000
--- a/board/freescale/mpc8260ads/mpc8260ads.c
+++ /dev/null
@@ -1,544 +0,0 @@
-/*
- * (C) Copyright 2001-2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * Modified during 2001 by
- * Advanced Communications Technologies (Australia) Pty. Ltd.
- * Howard Walker, Tuong Vu-Dinh
- *
- * (C) Copyright 2001, Stuart Hughes, Lineo Inc, stuarth@lineo.com
- * Added support for the 16M dram simm on the 8260ads boards
- *
- * (C) Copyright 2003-2004 Arabella Software Ltd.
- * Yuli Barcohen <yuli@arabellasw.com>
- * Added support for SDRAM DIMMs SPD EEPROM, MII, Ethernet PHY init.
- *
- * Copyright (c) 2005 MontaVista Software, Inc.
- * Vitaly Bordug <vbordug@ru.mvista.com>
- * Added support for PCI.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <ioports.h>
-#include <mpc8260.h>
-#include <asm/m8260_pci.h>
-#include <i2c.h>
-#include <spd.h>
-#include <miiphy.h>
-#ifdef CONFIG_PCI
-#include <pci.h>
-#endif
-#ifdef CONFIG_OF_LIBFDT
-#include <libfdt.h>
-#include <fdt_support.h>
-#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
- */
-
-#define CONFIG_SYS_FCC1 (CONFIG_ETHER_INDEX == 1)
-#define CONFIG_SYS_FCC2 (CONFIG_ETHER_INDEX == 2)
-#define CONFIG_SYS_FCC3 (CONFIG_ETHER_INDEX == 3)
-
-const iop_conf_t iop_conf_tab[4][32] = {
-
- /* Port A configuration */
- { /* conf ppar psor pdir podr pdat */
- /* PA31 */ { CONFIG_SYS_FCC1, 1, 1, 0, 0, 0 }, /* FCC1 MII COL */
- /* PA30 */ { CONFIG_SYS_FCC1, 1, 1, 0, 0, 0 }, /* FCC1 MII CRS */
- /* PA29 */ { CONFIG_SYS_FCC1, 1, 1, 1, 0, 0 }, /* FCC1 MII TX_ER */
- /* PA28 */ { CONFIG_SYS_FCC1, 1, 1, 1, 0, 0 }, /* FCC1 MII TX_EN */
- /* PA27 */ { CONFIG_SYS_FCC1, 1, 1, 0, 0, 0 }, /* FCC1 MII RX_DV */
- /* PA26 */ { CONFIG_SYS_FCC1, 1, 1, 0, 0, 0 }, /* FCC1 MII RX_ER */
- /* PA25 */ { 0, 0, 0, 0, 0, 0 }, /* PA25 */
- /* PA24 */ { 0, 0, 0, 0, 0, 0 }, /* PA24 */
- /* PA23 */ { 0, 0, 0, 0, 0, 0 }, /* PA23 */
- /* PA22 */ { 0, 0, 0, 0, 0, 0 }, /* PA22 */
- /* PA21 */ { CONFIG_SYS_FCC1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[3] */
- /* PA20 */ { CONFIG_SYS_FCC1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[2] */
- /* PA19 */ { CONFIG_SYS_FCC1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[1] */
- /* PA18 */ { CONFIG_SYS_FCC1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[0] */
- /* PA17 */ { CONFIG_SYS_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[0] */
- /* PA16 */ { CONFIG_SYS_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[1] */
- /* PA15 */ { CONFIG_SYS_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[2] */
- /* PA14 */ { CONFIG_SYS_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[3] */
- /* PA13 */ { 0, 0, 0, 0, 0, 0 }, /* PA13 */
- /* PA12 */ { 0, 0, 0, 0, 0, 0 }, /* PA12 */
- /* PA11 */ { 0, 0, 0, 0, 0, 0 }, /* PA11 */
- /* PA10 */ { 0, 0, 0, 0, 0, 0 }, /* PA10 */
- /* PA9 */ { 0, 0, 0, 0, 0, 0 }, /* PA9 */
- /* PA8 */ { 0, 0, 0, 0, 0, 0 }, /* PA8 */
- /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */
- /* PA6 */ { 0, 0, 0, 0, 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, 0, 0, 0 }, /* PA1 */
- /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */
- },
-
- /* Port B configuration */
- { /* conf ppar psor pdir podr pdat */
- /* PB31 */ { CONFIG_SYS_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */
- /* PB30 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */
- /* PB29 */ { CONFIG_SYS_FCC2, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */
- /* PB28 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */
- /* PB27 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */
- /* PB26 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */
- /* PB25 */ { CONFIG_SYS_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */
- /* PB24 */ { CONFIG_SYS_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */
- /* PB23 */ { CONFIG_SYS_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */
- /* PB22 */ { CONFIG_SYS_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */
- /* PB21 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */
- /* PB20 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */
- /* PB19 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */
- /* PB18 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */
- /* PB17 */ { CONFIG_SYS_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */
- /* PB16 */ { CONFIG_SYS_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */
- /* PB15 */ { CONFIG_SYS_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */
- /* PB14 */ { CONFIG_SYS_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */
- /* PB13 */ { CONFIG_SYS_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:COL */
- /* PB12 */ { CONFIG_SYS_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:CRS */
- /* PB11 */ { CONFIG_SYS_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
- /* PB10 */ { CONFIG_SYS_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
- /* PB9 */ { CONFIG_SYS_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
- /* PB8 */ { CONFIG_SYS_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
- /* PB7 */ { CONFIG_SYS_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
- /* PB6 */ { CONFIG_SYS_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
- /* PB5 */ { CONFIG_SYS_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
- /* PB4 */ { CONFIG_SYS_FCC3, 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, 0, 0, 0 }, /* PC31 */
- /* PC30 */ { 0, 0, 0, 0, 0, 0 }, /* PC30 */
- /* PC29 */ { 0, 0, 0, 0, 0, 0 }, /* PC29 */
- /* PC28 */ { 0, 0, 0, 0, 0, 0 }, /* PC28 */
- /* PC27 */ { 0, 0, 0, 0, 0, 0 }, /* PC27 */
- /* PC26 */ { 0, 0, 0, 0, 0, 0 }, /* PC26 */
- /* PC25 */ { 0, 0, 0, 0, 0, 0 }, /* PC25 */
- /* PC24 */ { 0, 0, 0, 0, 0, 0 }, /* PC24 */
- /* PC23 */ { 0, 0, 0, 0, 0, 0 }, /* PC23 */
- /* PC22 */ { CONFIG_SYS_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII Tx Clock (CLK10) */
- /* PC21 */ { CONFIG_SYS_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII Rx Clock (CLK11) */
- /* PC20 */ { 0, 0, 0, 0, 0, 0 }, /* PC20 */
-#if CONFIG_ADSTYPE == CONFIG_SYS_8272ADS
- /* PC19 */ { 1, 0, 0, 1, 0, 0 }, /* FETHMDC */
- /* PC18 */ { 1, 0, 0, 0, 0, 0 }, /* FETHMDIO */
- /* PC17 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII Rx Clock (CLK15) */
- /* PC16 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII Tx Clock (CLK16) */
-#else
- /* PC19 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII Rx Clock (CLK13) */
- /* PC18 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII Tx Clock (CLK14) */
- /* PC17 */ { 0, 0, 0, 0, 0, 0 }, /* PC17 */
- /* PC16 */ { 0, 0, 0, 0, 0, 0 }, /* PC16 */
-#endif /* CONFIG_ADSTYPE == CONFIG_SYS_8272ADS */
- /* PC15 */ { 0, 0, 0, 0, 0, 0 }, /* PC15 */
- /* PC14 */ { 0, 0, 0, 0, 0, 0 }, /* PC14 */
- /* PC13 */ { 0, 0, 0, 0, 0, 0 }, /* PC13 */
- /* PC12 */ { 0, 0, 0, 0, 0, 0 }, /* PC12 */
- /* PC11 */ { 0, 0, 0, 0, 0, 0 }, /* PC11 */
-#if CONFIG_ADSTYPE == CONFIG_SYS_8272ADS
- /* PC10 */ { 0, 0, 0, 0, 0, 0 }, /* PC10 */
- /* PC9 */ { 0, 0, 0, 0, 0, 0 }, /* PC9 */
-#else
- /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FETHMDC */
- /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* FETHMDIO */
-#endif /* CONFIG_ADSTYPE == CONFIG_SYS_8272ADS */
- /* PC8 */ { 0, 0, 0, 0, 0, 0 }, /* PC8 */
- /* PC7 */ { 0, 0, 0, 0, 0, 0 }, /* PC7 */
- /* PC6 */ { 0, 0, 0, 0, 0, 0 }, /* PC6 */
- /* PC5 */ { 0, 0, 0, 0, 0, 0 }, /* PC5 */
- /* PC4 */ { 0, 0, 0, 0, 0, 0 }, /* PC4 */
- /* PC3 */ { 0, 0, 0, 0, 0, 0 }, /* PC3 */
- /* PC2 */ { 0, 0, 0, 0, 0, 0 }, /* PC2 */
- /* PC1 */ { 0, 0, 0, 0, 0, 0 }, /* PC1 */
- /* PC0 */ { 0, 0, 0, 0, 0, 0 }, /* PC0 */
- },
-
- /* Port D */
- { /* conf ppar psor pdir podr pdat */
- /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 UART RxD */
- /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 UART TxD */
- /* PD29 */ { 0, 0, 0, 0, 0, 0 }, /* PD29 */
- /* 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 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */
- /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */
- /* 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 */
- }
-};
-
-void reset_phy (void)
-{
- vu_long *bcsr = (vu_long *)CONFIG_SYS_BCSR;
-
- /* Reset the PHY */
-#if CONFIG_SYS_PHY_ADDR == 0
- bcsr[1] &= ~(FETHIEN1 | FETH1_RST);
- udelay(2);
- bcsr[1] |= FETH1_RST;
-#else
- bcsr[3] &= ~(FETHIEN2 | FETH2_RST);
- udelay(2);
- bcsr[3] |= FETH2_RST;
-#endif /* CONFIG_SYS_PHY_ADDR == 0 */
- udelay(1000);
-#ifdef CONFIG_MII
-#if CONFIG_ADSTYPE >= CONFIG_SYS_PQ2FADS
- /*
- * Do not bypass Rx/Tx (de)scrambler (fix configuration error)
- * Enable autonegotiation.
- */
- bb_miiphy_write(NULL, CONFIG_SYS_PHY_ADDR, 16, 0x610);
- bb_miiphy_write(NULL, CONFIG_SYS_PHY_ADDR, MII_BMCR,
- BMCR_ANENABLE | BMCR_ANRESTART);
-#else
- /*
- * Ethernet PHY is configured (by means of configuration pins)
- * to work at 10Mb/s only. We reconfigure it using MII
- * to advertise all capabilities, including 100Mb/s, and
- * restart autonegotiation.
- */
-
- /* Advertise all capabilities */
- bb_miiphy_write(NULL, CONFIG_SYS_PHY_ADDR, MII_ADVERTISE, 0x01E1);
-
- /* Do not bypass Rx/Tx (de)scrambler */
- bb_miiphy_write(NULL, CONFIG_SYS_PHY_ADDR, MII_FCSCOUNTER, 0x0000);
-
- bb_miiphy_write(NULL, CONFIG_SYS_PHY_ADDR, MII_BMCR,
- BMCR_ANENABLE | BMCR_ANRESTART);
-#endif /* CONFIG_ADSTYPE == CONFIG_SYS_PQ2FADS */
-#endif /* CONFIG_MII */
-}
-
-#ifdef CONFIG_PCI
-typedef struct pci_ic_s {
- unsigned long pci_int_stat;
- unsigned long pci_int_mask;
-}pci_ic_t;
-#endif
-
-int board_early_init_f (void)
-{
- vu_long *bcsr = (vu_long *)CONFIG_SYS_BCSR;
-
-#ifdef CONFIG_PCI
- volatile pci_ic_t* pci_ic = (pci_ic_t *) CONFIG_SYS_PCI_INT;
-
- /* mask alll the PCI interrupts */
- pci_ic->pci_int_mask |= 0xfff00000;
-#endif
-#if (CONFIG_CONS_INDEX == 1) || (CONFIG_KGDB_INDEX == 1)
- bcsr[1] &= ~RS232EN_1;
-#endif
-#if (CONFIG_CONS_INDEX > 1) || (CONFIG_KGDB_INDEX > 1)
- bcsr[1] &= ~RS232EN_2;
-#endif
-
-#if CONFIG_ADSTYPE != CONFIG_SYS_8260ADS /* PCI mode can be selected */
-#if CONFIG_ADSTYPE == CONFIG_SYS_PQ2FADS
- if ((bcsr[3] & BCSR_PCI_MODE) == 0) /* PCI mode selected by JP9 */
-#endif /* CONFIG_ADSTYPE == CONFIG_SYS_PQ2FADS */
- {
- volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
-
- immap->im_clkrst.car_sccr |= M826X_SCCR_PCI_MODE_EN;
- immap->im_siu_conf.sc_siumcr =
- (immap->im_siu_conf.sc_siumcr & ~SIUMCR_LBPC11)
- | SIUMCR_LBPC01;
- }
-#endif /* CONFIG_ADSTYPE != CONFIG_SYS_8260ADS */
-
- return 0;
-}
-
-#define ns2clk(ns) (ns / (1000000000 / CONFIG_8260_CLKIN) + 1)
-
-phys_size_t initdram (int board_type)
-{
-#if CONFIG_ADSTYPE == CONFIG_SYS_PQ2FADS
- long int msize = 32;
-#elif CONFIG_ADSTYPE == CONFIG_SYS_8272ADS
- long int msize = 64;
-#else
- long int msize = 16;
-#endif
-
-#ifndef CONFIG_SYS_RAMBOOT
- volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
- volatile memctl8260_t *memctl = &immap->im_memctl;
- volatile uchar *ramaddr, c = 0xff;
- uint or;
- uint psdmr;
- uint psrt;
-
- int i;
-
- immap->im_siu_conf.sc_ppc_acr = 0x00000002;
- immap->im_siu_conf.sc_ppc_alrh = 0x01267893;
- immap->im_siu_conf.sc_tescr1 = 0x00004000;
-
- memctl->memc_mptpr = CONFIG_SYS_MPTPR;
-#ifdef CONFIG_SYS_LSDRAM_BASE
- /*
- Initialise local bus SDRAM only if the pins
- are configured as local bus pins and not as PCI.
- The configuration is determined by the HRCW.
- */
- if ((immap->im_siu_conf.sc_siumcr & SIUMCR_LBPC11) == SIUMCR_LBPC00) {
- memctl->memc_lsrt = CONFIG_SYS_LSRT;
-#if CONFIG_ADSTYPE == CONFIG_SYS_PQ2FADS /* CS3 */
- memctl->memc_or3 = 0xFF803280;
- memctl->memc_br3 = CONFIG_SYS_LSDRAM_BASE | 0x00001861;
-#else /* CS4 */
- memctl->memc_or4 = 0xFFC01480;
- memctl->memc_br4 = CONFIG_SYS_LSDRAM_BASE | 0x00001861;
-#endif /* CONFIG_ADSTYPE == CONFIG_SYS_PQ2FADS */
- memctl->memc_lsdmr = CONFIG_SYS_LSDMR | 0x28000000;
- ramaddr = (uchar *) CONFIG_SYS_LSDRAM_BASE;
- *ramaddr = c;
- memctl->memc_lsdmr = CONFIG_SYS_LSDMR | 0x08000000;
- for (i = 0; i < 8; i++)
- *ramaddr = c;
- memctl->memc_lsdmr = CONFIG_SYS_LSDMR | 0x18000000;
- *ramaddr = c;
- memctl->memc_lsdmr = CONFIG_SYS_LSDMR | 0x40000000;
- }
-#endif /* CONFIG_SYS_LSDRAM_BASE */
-
- /* Init 60x bus SDRAM */
-#ifdef CONFIG_SPD_EEPROM
- {
- spd_eeprom_t spd;
- uint pbi, bsel, rowst, lsb, tmp;
-
- i2c_read (CONFIG_SPD_ADDR, 0, 1, (uchar *) & spd, sizeof (spd));
-
- /* Bank-based interleaving is not supported for physical bank
- sizes greater than 128MB which is encoded as 0x20 in SPD
- */
- pbi = (spd.row_dens > 32) ? 1 : CONFIG_SDRAM_PBI;
- msize = spd.nrows * (4 * spd.row_dens); /* Mixed size not supported */
- or = ~(msize - 1) << 20; /* SDAM */
- switch (spd.nbanks) { /* BPD */
- case 2:
- bsel = 1;
- break;
- case 4:
- bsel = 2;
- or |= 0x00002000;
- break;
- case 8:
- bsel = 3;
- or |= 0x00004000;
- break;
- }
- lsb = 3; /* For 64-bit port, lsb is 3 bits */
-
- if (pbi) { /* Bus partition depends on interleaving */
- rowst = 32 - (spd.nrow_addr + spd.ncol_addr + bsel + lsb);
- or |= (rowst << 9); /* ROWST */
- } else {
- rowst = 32 - (spd.nrow_addr + spd.ncol_addr + lsb);
- or |= ((rowst * 2 - 12) << 9); /* ROWST */
- }
- or |= ((spd.nrow_addr - 9) << 6); /* NUMR */
-
- psdmr = (pbi << 31); /* PBI */
- /* Bus multiplexing parameters */
- tmp = 32 - (lsb + spd.nrow_addr); /* Tables 10-19 and 10-20 */
- psdmr |= ((tmp - (rowst - 5) - 13) << 24); /* SDAM */
- psdmr |= ((tmp - 3 - 12) << 21); /* BSMA */
-
- tmp = (31 - lsb - 10) - tmp;
- /* Pin connected to SDA10 is (31 - lsb - 10).
- rowst is multiplexed over (32 - (lsb + spd.nrow_addr)),
- so (rowst + tmp) alternates with AP.
- */
- if (pbi) /* Table 10-7 */
- psdmr |= ((10 - (rowst + tmp)) << 18); /* SDA10 */
- else
- psdmr |= ((12 - (rowst + tmp)) << 18); /* SDA10 */
-
- /* SDRAM device-specific parameters */
- tmp = ns2clk (70); /* Refresh recovery is not in SPD, so assume 70ns */
- switch (tmp) { /* RFRC */
- case 1:
- case 2:
- psdmr |= (1 << 15);
- break;
- case 3:
- case 4:
- case 5:
- case 6:
- case 7:
- case 8:
- psdmr |= ((tmp - 2) << 15);
- break;
- default:
- psdmr |= (7 << 15);
- }
- psdmr |= (ns2clk (spd.trp) % 8 << 12); /* PRETOACT */
- psdmr |= (ns2clk (spd.trcd) % 8 << 9); /* ACTTORW */
- /* BL=0 because for 64-bit SDRAM burst length must be 4 */
- /* LDOTOPRE ??? */
- for (i = 0, tmp = spd.write_lat; (i < 4) && ((tmp & 1) == 0); i++)
- tmp >>= 1;
- switch (i) { /* WRC */
- case 0:
- case 1:
- psdmr |= (1 << 4);
- break;
- case 2:
- case 3:
- psdmr |= (i << 4);
- break;
- }
- /* EAMUX=0 - no external address multiplexing */
- /* BUFCMD=0 - no external buffers */
- for (i = 1, tmp = spd.cas_lat; (i < 3) && ((tmp & 1) == 0); i++)
- tmp >>= 1;
- psdmr |= i; /* CL */
-
- switch (spd.refresh & 0x7F) {
- case 1:
- tmp = 3900;
- break;
- case 2:
- tmp = 7800;
- break;
- case 3:
- tmp = 31300;
- break;
- case 4:
- tmp = 62500;
- break;
- case 5:
- tmp = 125000;
- break;
- default:
- tmp = 15625;
- }
- psrt = tmp / (1000000000 / CONFIG_8260_CLKIN *
- ((memctl->memc_mptpr >> 8) + 1)) - 1;
-#ifdef SPD_DEBUG
- printf ("\nDIMM type: %-18.18s\n", spd.mpart);
- printf ("SPD size: %d\n", spd.info_size);
- printf ("EEPROM size: %d\n", 1 << spd.chip_size);
- printf ("Memory type: %d\n", spd.mem_type);
- printf ("Row addr: %d\n", spd.nrow_addr);
- printf ("Column addr: %d\n", spd.ncol_addr);
- printf ("# of rows: %d\n", spd.nrows);
- printf ("Row density: %d\n", spd.row_dens);
- printf ("# of banks: %d\n", spd.nbanks);
- printf ("Data width: %d\n",
- 256 * spd.dataw_msb + spd.dataw_lsb);
- printf ("Chip width: %d\n", spd.primw);
- printf ("Refresh rate: %02X\n", spd.refresh);
- printf ("CAS latencies: %02X\n", spd.cas_lat);
- printf ("Write latencies: %02X\n", spd.write_lat);
- printf ("tRP: %d\n", spd.trp);
- printf ("tRCD: %d\n", spd.trcd);
-
- printf ("OR=%X, PSDMR=%08X, PSRT=%0X\n", or, psdmr, psrt);
-#endif /* SPD_DEBUG */
- }
-#else /* !CONFIG_SPD_EEPROM */
- or = CONFIG_SYS_OR2;
- psdmr = CONFIG_SYS_PSDMR;
- psrt = CONFIG_SYS_PSRT;
-#endif /* CONFIG_SPD_EEPROM */
- memctl->memc_psrt = psrt;
- memctl->memc_or2 = or;
- memctl->memc_br2 = CONFIG_SYS_SDRAM_BASE | 0x00000041;
- ramaddr = (uchar *) CONFIG_SYS_SDRAM_BASE;
- memctl->memc_psdmr = psdmr | 0x28000000; /* Precharge all banks */
- *ramaddr = c;
- memctl->memc_psdmr = psdmr | 0x08000000; /* CBR refresh */
- for (i = 0; i < 8; i++)
- *ramaddr = c;
-
- memctl->memc_psdmr = psdmr | 0x18000000; /* Mode Register write */
- *ramaddr = c;
- memctl->memc_psdmr = psdmr | 0x40000000; /* Refresh enable */
- *ramaddr = c;
-#endif /* CONFIG_SYS_RAMBOOT */
-
- /* return total 60x bus SDRAM size */
- return (msize * 1024 * 1024);
-}
-
-int checkboard (void)
-{
-#if CONFIG_ADSTYPE == CONFIG_SYS_8260ADS
- puts ("Board: Motorola MPC8260ADS\n");
-#elif CONFIG_ADSTYPE == CONFIG_SYS_8266ADS
- puts ("Board: Motorola MPC8266ADS\n");
-#elif CONFIG_ADSTYPE == CONFIG_SYS_PQ2FADS
- puts ("Board: Motorola PQ2FADS-ZU\n");
-#elif CONFIG_ADSTYPE == CONFIG_SYS_8272ADS
- puts ("Board: Motorola MPC8272ADS\n");
-#else
- puts ("Board: unknown\n");
-#endif
- return 0;
-}
-
-#ifdef CONFIG_PCI
-struct pci_controller hose;
-
-extern void pci_mpc8250_init(struct pci_controller *);
-
-void pci_init_board(void)
-{
- pci_mpc8250_init(&hose);
-}
-#endif
-
-#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
-void ft_board_setup(void *blob, bd_t *bd)
-{
- ft_cpu_setup(blob, bd);
-#ifdef CONFIG_PCI
- ft_pci_setup(blob, bd);
-#endif
-}
-#endif
generated by cgit v1.1 at 2024-11-05 22:03:07 +0000