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upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/rattler/rattler.c

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/*
* Copyright (C) 2004 Arabella Software Ltd.
* Yuli Barcohen <yuli@arabellasw.com>
*
* Support for Analogue&Micro Rattler boards family.
* Tested on Rattler8248.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <mpc8260.h>
#include <ioports.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_FCC1 (CONFIG_ETHER_INDEX == 1)
#define CONFIG_SYS_FCC2 (CONFIG_ETHER_INDEX == 2)
const iop_conf_t iop_conf_tab[4][32] = {
/* Port A */
{ /* 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 */ { 1, 0, 0, 1, 0, 1 }, /* Eth PHYs reset */
/* 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, 1, 0, 1, 0, 0 }, /* SMC2 TxD */
/* PA8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC2 RxD */
/* PA7 */ { 0, 0, 0, 0, 0, 0 }, /* PA7 */
/* PA6 */ { 0, 0, 0, 0, 0, 0 }, /* PA6 */
/* PA5 */ { 0, 0, 0, 0, 0, 0 }, /* PA5 */
/* PA4 */ { 0, 0, 0, 0, 0, 0 }, /* PA4 */
/* PA3 */ { 0, 0, 0, 0, 0, 0 }, /* PA3 */
/* PA2 */ { 0, 0, 0, 0, 0, 0 }, /* PA2 */
/* PA1 */ { 0, 0, 0, 0, 0, 0 }, /* PA1 */
/* PA0 */ { 0, 0, 0, 0, 0, 0 } /* 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 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
/* PB16 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
/* PB15 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
/* PB14 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
/* PB13 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
/* PB12 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
/* PB11 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
/* PB10 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
/* PB9 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
/* PB8 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
/* PB7 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
/* PB6 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
/* PB5 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
/* PB4 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
/* 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 */ { 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 TxClk (CLK10) */
/* PC21 */ { CONFIG_SYS_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 RxClk (CLK11) */
/* PC20 */ { 0, 0, 0, 0, 0, 0 }, /* PC20 */
/* PC19 */ { 0, 0, 0, 0, 0, 0 }, /* PC19 */
/* PC18 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 TxClk (CLK14) */
/* PC17 */ { CONFIG_SYS_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 RxClk (CLK15) */
/* PC16 */ { 0, 0, 0, 0, 0, 0 }, /* PC16 */
/* 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 */
/* PC10 */ { 0, 0, 0, 0, 0, 0 }, /* PC10 */
/* PC9 */ { 1, 0, 0, 1, 0, 1 }, /* MDIO */
/* PC8 */ { 1, 0, 0, 1, 0, 1 }, /* MDC */
/* PC7 */ { 0, 0, 0, 0, 0, 0 }, /* PC7 */
/* PC6 */ { 0, 0, 0, 0, 0, 0 }, /* PC6 */
/* PC5 */ { 1, 1, 0, 1, 0, 0 }, /* SMC1 TxD */
/* PC4 */ { 1, 1, 0, 0, 0, 0 }, /* SMC1 RxD */
/* 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, 0 }, /* SCC1 TxD */
/* PD29 */ { 0, 0, 0, 0, 0, 0 }, /* PD29 */
/* PD28 */ { 0, 0, 0, 0, 0, 0 }, /* PD28 */
/* PD27 */ { 0, 0, 0, 0, 0, 0 }, /* PD27 */
/* PD26 */ { 0, 0, 0, 0, 0, 0 }, /* PD26 */
/* PD25 */ { 0, 0, 0, 0, 0, 0 }, /* PD25 */
/* PD24 */ { 0, 0, 0, 0, 0, 0 }, /* PD24 */
/* PD23 */ { 0, 0, 0, 0, 0, 0 }, /* PD23 */
/* PD22 */ { 0, 0, 0, 0, 0, 0 }, /* PD22 */
/* PD21 */ { 0, 0, 0, 0, 0, 0 }, /* PD21 */
/* PD20 */ { 0, 0, 0, 0, 0, 0 }, /* PD20 */
/* PD19 */ { 0, 0, 0, 0, 0, 0 }, /* PD19 */
/* PD18 */ { 0, 0, 0, 0, 0, 0 }, /* PD18 */
/* PD17 */ { 0, 0, 0, 0, 0, 0 }, /* PD17 */
/* PD16 */ { 0, 0, 0, 0, 0, 0 }, /* PD16 */
/* PD15 */ { 0, 0, 0, 0, 0, 0 }, /* PD15 */
/* PD14 */ { 0, 0, 0, 0, 0, 0 }, /* PD14 */
/* 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, 0, 0, 0, 0, 0 }, /* PD9 */
/* PD8 */ { 0, 0, 0, 0, 0, 0 }, /* PD8 */
/* PD7 */ { 0, 0, 0, 0, 0, 0 }, /* PD7 */
/* PD6 */ { 0, 0, 0, 0, 0, 0 }, /* PD6 */
/* PD5 */ { 0, 0, 0, 0, 0, 0 }, /* PD5 */
/* PD4 */ { 0, 0, 0, 0, 0, 0 }, /* 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 */
}
};
phys_size_t initdram(int board_type)
{
long int msize = CONFIG_SYS_SDRAM_SIZE;
#ifndef CONFIG_SYS_RAMBOOT
volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
volatile memctl8260_t *memctl = &immap->im_memctl;
vu_char *ramaddr = (vu_char *)CONFIG_SYS_SDRAM_BASE;
uchar c = 0xFF;
uint psdmr = CONFIG_SYS_PSDMR;
int i;
immap->im_siu_conf.sc_ppc_acr = 0x02;
immap->im_siu_conf.sc_ppc_alrh = 0x30126745;
immap->im_siu_conf.sc_tescr1 = 0x00004000;
memctl->memc_mptpr = CONFIG_SYS_MPTPR;
/* 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 | PSDMR_OP_PREA; /* Precharge all banks */
*ramaddr = c;
memctl->memc_psdmr = psdmr | PSDMR_OP_CBRR; /* CBR refresh */
for (i = 0; i < 8; i++)
*ramaddr = c;
memctl->memc_psdmr = psdmr | PSDMR_OP_MRW; /* Mode Register write */
*ramaddr = c;
memctl->memc_psdmr = psdmr | PSDMR_RFEN; /* Refresh enable */
*ramaddr = c;
#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;
printf("Board: Rattler Rev. %c\n", bcsr[0x20] + 0x40);
return 0;
}