ep82xxm.c
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/*
* Copyright (C) 2006 Embedded Planet, LLC.
*
* Support for Embedded Planet EP82xxM boards.
* Tested on EP82xxM (MPC8270).
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <mpc8260.h>
#include <ioports.h>
#include <asm/m8260_pci.h>
#ifdef CONFIG_PCI
#include <pci.h>
#endif
#include <miiphy.h>
#include <linux/compiler.h>
/*
* 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_FCC2 1
#define CONFIG_SYS_FCC3 1
const iop_conf_t iop_conf_tab[4][32] = {
/* Port A */
{ /* conf ppar psor pdir podr pdat */
/* PA31 */ { 0, 0, 0, 0, 0, 1 }, /* PA31 */
/* PA30 */ { 0, 0, 0, 0, 0, 1 }, /* PA30 */
/* PA29 */ { 0, 0, 0, 0, 0, 1 }, /* PA29 */
/* PA28 */ { 0, 0, 0, 0, 0, 1 }, /* PA28 */
/* PA27 */ { 0, 0, 0, 0, 0, 1 }, /* PA27 */
/* PA26 */ { 0, 0, 0, 0, 0, 1 }, /* PA26 */
/* PA25 */ { 0, 0, 0, 0, 0, 1 }, /* PA25 */
/* PA24 */ { 0, 0, 0, 0, 0, 1 }, /* PA24 */
/* PA23 */ { 0, 0, 0, 0, 0, 1 }, /* PA23 */
/* PA22 */ { 0, 0, 0, 0, 0, 0 }, /* PA22 */
/* PA21 */ { 0, 0, 0, 0, 0, 1 }, /* PA21 */
/* PA20 */ { 0, 0, 0, 0, 0, 1 }, /* PA20 */
/* PA19 */ { 0, 0, 0, 0, 0, 1 }, /* PA19 */
/* PA18 */ { 0, 0, 0, 0, 0, 1 }, /* PA18 */
/* PA17 */ { 0, 0, 0, 0, 0, 1 }, /* PA17 */
/* PA16 */ { 0, 0, 0, 0, 0, 1 }, /* PA16 */
/* PA15 */ { 0, 0, 0, 0, 0, 1 }, /* PA15 */
/* PA14 */ { 0, 0, 0, 0, 0, 1 }, /* PA14 */
/* PA13 */ { 0, 0, 0, 0, 0, 1 }, /* PA13 */
/* PA12 */ { 0, 0, 0, 0, 0, 1 }, /* PA12 */
/* PA11 */ { 0, 0, 0, 0, 0, 1 }, /* PA11 */
/* PA10 */ { 0, 0, 0, 0, 0, 1 }, /* PA10 */
/* PA9 */ { 1, 1, 0, 1, 0, 1 }, /* SMC2 TxD */
/* PA8 */ { 1, 1, 0, 0, 0, 1 }, /* SMC2 RxD */
/* PA7 */ { 0, 0, 0, 0, 0, 1 }, /* PA7 */
/* PA6 */ { 0, 0, 0, 0, 0, 1 }, /* PA6 */
/* PA5 */ { 0, 0, 0, 0, 0, 1 }, /* PA5 */
/* PA4 */ { 0, 0, 0, 0, 0, 1 }, /* PA4 */
/* PA3 */ { 0, 0, 0, 0, 0, 1 }, /* PA3 */
/* PA2 */ { 0, 0, 0, 0, 0, 1 }, /* PA2 */
/* PA1 */ { 0, 0, 0, 0, 0, 1 }, /* PA1 */
/* PA0 */ { 0, 0, 0, 0, 0, 1 } /* PA0 */
},
/* Port B */
{ /* 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 */ { 0, 0, 0, 0, 0, 0 }, /* PB7 */
/* 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 }, /* non-existent */
/* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
/* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
/* PB0 */ { 0, 0, 0, 0, 0, 0 } /* non-existent */
},
/* 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 */ { 1, 1, 1, 0, 0, 0 }, /* SCC1 CTS# */
/* PC28 */ { 0, 0, 0, 0, 0, 0 }, /* PC28 */
/* PC27 */ { CONFIG_SYS_FCC3, 1, 0, 1, 0, 0 }, /* FCC3: TXD[0] */
/* 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 */ { 0, 0, 0, 0, 0, 0 }, /* PC22 */
/* PC21 */ { 0, 0, 0, 0, 0, 0 }, /* PC21 */
/* PC20 */ { 0, 0, 0, 0, 0, 0 }, /* PC20 */
/* PC19 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* RxClk (CLK13) */
/* PC18 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* TxClk (CLK14) */
/* PC17 */ { CONFIG_SYS_FCC3, 1, 0, 0, 0, 0 }, /* RxClk (CLK15) */
/* PC16 */ { CONFIG_SYS_FCC3, 1, 0, 0, 0, 0 }, /* TxClk (CLK16) */
/* PC15 */ { 0, 0, 0, 0, 0, 0 }, /* PC15 */
/* PC14 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 CD# */
/* PC13 */ { 1, 1, 0, 0, 0, 0 }, /* SCC2 CTS# */
/* PC12 */ { 1, 1, 0, 0, 0, 0 }, /* SCC2 CD# */
/* PC11 */ { 0, 0, 0, 0, 0, 0 }, /* PC11 */
/* PC10 */ { 1, 1, 0, 0, 0, 0 }, /* SCC3 CD# */
/* PC9 */ { 0, 0, 0, 0, 0, 0 }, /* PC9 */
/* PC8 */ { 1, 1, 1, 0, 0, 0 }, /* SCC3 CTS# */
/* 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 RXD */
/* PD30 */ { 1, 1, 1, 1, 0, 1 }, /* SCC1 TXD */
/* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 RTS# */
/* PD28 */ { 1, 1, 0, 0, 0, 0 }, /* SCC2 RXD */
/* PD27 */ { 1, 1, 0, 1, 0, 0 }, /* SCC2 TXD */
/* PD26 */ { 1, 1, 0, 1, 0, 0 }, /* SCC2 RTS# */
/* PD25 */ { 1, 1, 0, 0, 0, 0 }, /* SCC3 RXD */
/* PD24 */ { 1, 1, 0, 1, 0, 0 }, /* SCC3 TXD */
/* PD23 */ { 1, 1, 0, 1, 0, 0 }, /* SCC3 RTS# */
/* PD22 */ { 0, 0, 0, 0, 0, 1 }, /* PD22 */
/* PD21 */ { 0, 0, 0, 0, 0, 1 }, /* PD21 */
/* PD20 */ { 0, 0, 0, 0, 0, 1 }, /* PD20 */
/* PD19 */ { 0, 0, 0, 0, 0, 1 }, /* PD19 */
/* PD18 */ { 0, 0, 0, 0, 0, 1 }, /* PD18 */
/* PD17 */ { 0, 0, 0, 0, 0, 1 }, /* PD17 */
/* PD16 */ { 0, 0, 0, 0, 0, 1 }, /* PD16 */
/* PD15 */ { 1, 1, 1, 0, 1, 1 }, /* I2C SDA */
/* PD14 */ { 1, 1, 1, 0, 1, 1 }, /* I2C SCL */
/* PD13 */ { 0, 0, 0, 0, 0, 1 }, /* PD13 */
/* PD12 */ { 0, 0, 0, 0, 0, 1 }, /* PD12 */
/* PD11 */ { 0, 0, 0, 0, 0, 1 }, /* PD11 */
/* PD10 */ { 0, 0, 0, 0, 0, 1 }, /* PD10 */
/* PD9 */ { 1, 1, 0, 1, 0, 1 }, /* SMC1 TxD */
/* PD8 */ { 1, 1, 0, 0, 0, 1 }, /* SMC1 RxD */
/* PD7 */ { 1, 1, 0, 0, 0, 1 }, /* SMC1 SMSYN */
/* PD6 */ { 0, 0, 0, 0, 0, 1 }, /* PD6 */
/* PD5 */ { 0, 0, 0, 0, 0, 1 }, /* PD5 */
/* PD4 */ { 0, 0, 0, 0, 0, 1 }, /* PD4 */
/* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
/* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
/* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
/* PD0 */ { 0, 0, 0, 0, 0, 0 } /* non-existent */
}
};
#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_char *bcsr = (vu_char *)CONFIG_SYS_BCSR;
bcsr[4] |= 0x30; /* Turn the LEDs off */
#if defined(CONFIG_CONS_ON_SMC) || defined(CONFIG_KGDB_ON_SMC)
bcsr[6] |= 0x10;
#endif
#if defined(CONFIG_CONS_ON_SCC) || defined(CONFIG_KGDB_ON_SCC)
bcsr[7] |= 0x10;
#endif
#if CONFIG_SYS_FCC3
bcsr[8] |= 0xC0;
#endif /* CONFIG_SYS_FCC3 */
#if CONFIG_SYS_FCC2
bcsr[8] |= 0x30;
#endif /* CONFIG_SYS_FCC2 */
return 0;
}
phys_size_t initdram(int board_type)
{
/* Size in MB of SDRAM populated on board*/
long int msize = 256;
#ifndef CONFIG_SYS_RAMBOOT
volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
volatile memctl8260_t *memctl = &immap->im_memctl;
uint psdmr = CONFIG_SYS_PSDMR;
int i;
unsigned char *ramptr1 = (unsigned char *)0x00000110;
__maybe_unused unsigned char ramtmp;
memctl->memc_mptpr = CONFIG_SYS_MPTPR;
udelay(400);
/* Initialise 60x bus SDRAM */
memctl->memc_psrt = CONFIG_SYS_PSRT;
memctl->memc_or1 = CONFIG_SYS_SDRAM_OR;
memctl->memc_br1 = CONFIG_SYS_SDRAM_BR;
memctl->memc_psdmr = psdmr;
udelay(400);
memctl->memc_psdmr = psdmr | PSDMR_OP_PREA; /* Precharge all banks */
ramtmp = *ramptr1;
memctl->memc_psdmr = psdmr | PSDMR_OP_CBRR; /* CBR refresh */
for (i = 0; i < 8; i++) {
memctl->memc_psdmr = psdmr | PSDMR_OP_CBRR; /* CBR refresh */
}
ramtmp = *ramptr1;
memctl->memc_psdmr = psdmr | PSDMR_OP_MRW; /* Mode Register write */
*ramptr1 = 0xFF;
memctl->memc_psdmr = psdmr | PSDMR_RFEN; /* Refresh enable */
#endif /* !CONFIG_SYS_RAMBOOT */
/* Return total 60x bus SDRAM size */
return msize * 1024 * 1024;
}
int checkboard(void)
{
vu_char *bcsr = (vu_char *)CONFIG_SYS_BCSR;
puts("Board: ");
switch (bcsr[0]) {
case 0x0A:
printf("EP82xxM 1.0 CPLD revision %d\n", bcsr[1]);
break;
default:
printf("unknown: ID=%02X\n", bcsr[0]);
}
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