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/*
* 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 <asm/processor.h>
#include <asm/immap_85xx.h>
#include <ioports.h>
#include <spd.h>
#include <miiphy.h>
#if defined(CONFIG_DDR_ECC)
extern void ddr_enable_ecc(unsigned int dram_size);
#endif
extern long int spd_sdram(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;
int board_early_init_f (void)
{
#if defined(CONFIG_PCI)
volatile immap_t *immr = (immap_t *) CFG_IMMR;
volatile ccsr_pcix_t *pci = &immr->im_pcix;
pci->peer &= 0xffffffdf; /* disable master abort */
#endif
return 0;
}
void reset_phy (void)
{
#if defined(CONFIG_ETHER_ON_FCC) /* avoid compile warnings for now */
volatile bcsr_t *bcsr = (bcsr_t *) CFG_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)
miiphy_reset(0x0); /* reset PHY */
miiphy_write(0, PHY_MIPSCR, 0xf028); /* change PHY address to 0x02 */
miiphy_write(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
return 0;
}
long int
initdram(int board_type)
{
long dram_size = 0;
extern long spd_sdram (void);
volatile immap_t *immap = (immap_t *)CFG_IMMR;
puts("Initializing\n");
#if defined(CONFIG_DDR_DLL)
{
volatile ccsr_gur_t *gur= &immap->im_gur;
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
#if defined(CONFIG_SPD_EEPROM)
dram_size = spd_sdram ();
#else
dram_size = fixed_sdram ();
#endif
#if defined(CONFIG_DDR_ECC)
/*
* Initialize and enable DDR ECC.
*/
ddr_enable_ecc(dram_size);
#endif
/*
* Initialize SDRAM.
*/
sdram_init();
puts(" DDR: ");
return dram_size;
}
/*
* Initialize SDRAM memory on the Local Bus.
*/
void sdram_init (void)
{
#if !defined(CONFIG_RAM_AS_FLASH)
sys_info_t sysinfo;
volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile ccsr_lbc_t *lbc = &immap->im_lbc;
uint *sdram_addr = (uint *) CFG_LBC_SDRAM_BASE;
puts (" SDRAM: ");
print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
/*
* LocalBus SDRAM is not emulating flash.
*/
/*
* Fix Local Bus clock glitch. Errata LBC11.
*
* If localbus freq is less than 66Mhz, use bypass mode,
* otherwise use DLL.
* lcrr is the local-bus clock ratio register.
*/
get_sys_info (&sysinfo);
if (sysinfo.freqSystemBus / (CFG_LBC_LCRR & 0x0f) < 66000000) {
lbc->lcrr = (CFG_LBC_LCRR & 0x0fffffff) | 0x80000000;
} else {
/*
* On REV1 boards, need to change CLKDIV before enable DLL.
* Default CLKDIV is 8, change it to 4 temporarily.
*/
volatile ccsr_gur_t *gur = &immap->im_gur;
uint pvr = get_pvr ();
uint temp_lbcdll = 0;
if (pvr == PVR_85xx_REV1) {
lbc->lcrr = 0x10000004;
}
/* FIXME: jdl Should lcrr have 0x8000000 OR'ed in here too? */
lbc->lcrr = CFG_LBC_LCRR & 0x7fffffff;
udelay (200);
temp_lbcdll = gur->lbcdllcr;
gur->lbcdllcr = ((temp_lbcdll & 0xff) << 16) | 0x80000000;
asm ("sync;isync;msync");
}
/*
* Setup SDRAM Base and Option Registers
*/
lbc->or2 = CFG_OR2_PRELIM;
lbc->br2 = CFG_BR2_PRELIM;
lbc->lbcr = CFG_LBC_LBCR;
asm ("msync");
lbc->lsrt = CFG_LBC_LSRT;
lbc->mrtpr = CFG_LBC_MRTPR;
asm ("sync");
/*
* Configure the SDRAM controller.
*/
lbc->lsdmr = CFG_LBC_LSDMR_1;
asm ("sync");
*sdram_addr = 0xff;
ppcDcbf ((unsigned long) sdram_addr);
udelay (100);
lbc->lsdmr = CFG_LBC_LSDMR_2;
asm ("sync");
*sdram_addr = 0xff;
ppcDcbf ((unsigned long) sdram_addr);
udelay (100);
lbc->lsdmr = CFG_LBC_LSDMR_3;
asm ("sync");
*sdram_addr = 0xff;
ppcDcbf ((unsigned long) sdram_addr);
udelay (100);
lbc->lsdmr = CFG_LBC_LSDMR_4;
asm ("sync");
*sdram_addr = 0xff;
ppcDcbf ((unsigned long) sdram_addr);
udelay (100);
lbc->lsdmr = CFG_LBC_LSDMR_5;
asm ("sync");
*sdram_addr = 0xff;
ppcDcbf ((unsigned long) sdram_addr);
udelay (100);
#endif
}
#if defined(CFG_DRAM_TEST)
int testdram (void)
{
uint *pstart = (uint *) CFG_MEMTEST_START;
uint *pend = (uint *) CFG_MEMTEST_END;
uint *p;
printf("SDRAM test phase 1:\n");
for (p = pstart; p < pend; p++)
*p = 0xaaaaaaaa;
for (p = pstart; p < pend; p++) {
if (*p != 0xaaaaaaaa) {
printf ("SDRAM test fails at: %08x\n", (uint) p);
return 1;
}
}
printf("SDRAM test phase 2:\n");
for (p = pstart; p < pend; p++)
*p = 0x55555555;
for (p = pstart; p < pend; p++) {
if (*p != 0x55555555) {
printf ("SDRAM test fails at: %08x\n", (uint) p);
return 1;
}
}
printf("SDRAM test passed.\n");
return 0;
}
#endif
#if !defined(CONFIG_SPD_EEPROM)
/*************************************************************************
* fixed sdram init -- doesn't use serial presence detect.
************************************************************************/
long int fixed_sdram (void)
{
#ifndef CFG_RAMBOOT
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile ccsr_ddr_t *ddr= &immap->im_ddr;
ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
ddr->cs0_config = CFG_DDR_CS0_CONFIG;
ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
ddr->sdram_mode = CFG_DDR_MODE;
ddr->sdram_interval = CFG_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 = (CFG_DDR_CONTROL | 0x20000000);
#else
ddr->sdram_cfg = CFG_DDR_CONTROL;
#endif
asm("sync; isync; msync");
udelay(500);
#endif
return CFG_SDRAM_SIZE * 1024 * 1024;
}
#endif /* !defined(CONFIG_SPD_EEPROM) */
|
