--- /dev/null
+/*
+ * (C) Copyright 2001-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2003-2005 Arabella Software Ltd.
+ * Yuli Barcohen <yuli@arabellasw.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <ioports.h>
+#include <mpc8260.h>
+#include <miiphy.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
+ */
+
+const iop_conf_t iop_conf_tab[4][32] = {
+
+ /* Port A */
+ { /* 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 }, /* SMC2 TXD */
+ /* PA8 */ { 0, 1, 1, 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 */ { 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, 0, 0, 0 }, /* PC31 */
+ /* PC30 */ { 0, 0, 0, 0, 0, 0 }, /* PC30 */
+ /* PC29 */ { 0, 1, 1, 0, 0, 0 }, /* SCC1 EN CLSN */
+ /* 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, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */
+ /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */
+ /* PC21 */ { 0, 0, 0, 0, 0, 0 }, /* PC21 */
+ /* PC20 */ { 0, 0, 0, 0, 0, 0 }, /* PC20 */
+ /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII Rx Clock (CLK13) */
+ /* PC18 */ { 1, 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 */
+ /* PC15 */ { 0, 0, 0, 0, 0, 0 }, /* PC15 */
+ /* PC14 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN RENA */
+ /* 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 */ { 1, 0, 0, 1, 0, 0 }, /* LXT972 MDC */
+ /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* LXT972 MDIO */
+ /* 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 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */
+ /* PD30 */ { 0, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */
+ /* PD29 */ { 0, 1, 0, 1, 0, 0 }, /* SCC1 EN TENA */
+ /* 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, 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, 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 */ { 1, 1, 0, 1, 0, 0 }, /* SMC1 TXD */
+ /* PD8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC1 RXD */
+ /* 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 }, /* 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 */
+ }
+};
+
+#ifdef CONFIG_SYS_NVRAM_ACCESS_ROUTINE
+void *nvram_read(void *dest, long src, size_t count)
+{
+ return memcpy(dest, (const void *)src, count);
+}
+
+void nvram_write(long dest, const void *src, size_t count)
+{
+ vu_char *p1 = (vu_char *)(CONFIG_SYS_EEPROM + 0x1555);
+ vu_char *p2 = (vu_char *)(CONFIG_SYS_EEPROM + 0x0AAA);
+ vu_char *d = (vu_char *)dest;
+ const uchar *s = (const uchar *)src;
+
+ /* Unprotect the EEPROM */
+ *p1 = 0xAA;
+ *p2 = 0x55;
+ *p1 = 0x80;
+ *p1 = 0xAA;
+ *p2 = 0x55;
+ *p1 = 0x20;
+ udelay(10000);
+
+ /* Write the data to the EEPROM */
+ while (count--) {
+ *d++ = *s++;
+ while (*(d - 1) != *(s - 1))
+ /* wait */;
+ }
+
+ /* Protect the EEPROM */
+ *p1 = 0xAA;
+ *p2 = 0x55;
+ *p1 = 0xA0;
+ udelay(10000);
+}
+#endif /* CONFIG_SYS_NVRAM_ACCESS_ROUTINE */
+
+phys_size_t initdram(int board_type)
+{
+ vu_char *bcsr = (vu_char *)CONFIG_SYS_BCSR;
+ volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
+ volatile memctl8260_t *memctl = &immap->im_memctl;
+ vu_char *ramaddr;
+ uchar c = 0xFF;
+ long int msize = CONFIG_SYS_SDRAM_SIZE;
+ int i;
+
+ if (bcsr[4] & BCSR_PCI_MODE) { /* PCI mode selected by JP9 */
+ immap->im_clkrst.car_sccr |= SCCR_PCI_MODE;
+ immap->im_siu_conf.sc_siumcr =
+ (immap->im_siu_conf.sc_siumcr & ~SIUMCR_LBPC11)
+ | SIUMCR_LBPC01;
+ }
+
+#ifndef CONFIG_SYS_RAMBOOT
+ immap->im_siu_conf.sc_ppc_acr = 0x03;
+ immap->im_siu_conf.sc_ppc_alrh = 0x30126745;
+ 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.
+ */
+ if ((immap->im_siu_conf.sc_siumcr & SIUMCR_LBPC11) == SIUMCR_LBPC00) {
+ memctl->memc_lsrt = CONFIG_SYS_LSRT;
+ memctl->memc_or4 = CONFIG_SYS_LSDRAM_OR;
+ memctl->memc_br4 = CONFIG_SYS_LSDRAM_BR;
+ ramaddr = (vu_char *)CONFIG_SYS_LSDRAM_BASE;
+ memctl->memc_lsdmr = CONFIG_SYS_LSDMR | PSDMR_OP_PREA;
+ *ramaddr = c;
+ memctl->memc_lsdmr = CONFIG_SYS_LSDMR | PSDMR_OP_CBRR;
+ for (i = 0; i < 8; i++)
+ *ramaddr = c;
+ memctl->memc_lsdmr = CONFIG_SYS_LSDMR | PSDMR_OP_MRW;
+ *ramaddr = c;
+ memctl->memc_lsdmr = CONFIG_SYS_LSDMR | PSDMR_RFEN;
+ }
+#endif /* CONFIG_SYS_LSDRAM_BASE */
+
+ /* Initialise 60x bus SDRAM */
+ memctl->memc_psrt = CONFIG_SYS_PSRT;
+ memctl->memc_or2 = CONFIG_SYS_PSDRAM_OR;
+ memctl->memc_br2 = CONFIG_SYS_PSDRAM_BR;
+ /*
+ * The mode data for Mode Register Write command must appear on
+ * the address lines during a mode-set cycle. It is driven by
+ * the memory controller, in single PowerQUICC II mode,
+ * according to PSDMR[CL] and PSDMR[BL] fields. In
+ * 60x-compatible mode, software must drive the correct value on
+ * the address lines. BL=0 because for 64-bit port size burst
+ * length must be 4.
+ */
+ ramaddr = (vu_char *)(CONFIG_SYS_SDRAM_BASE |
+ ((CONFIG_SYS_PSDMR & PSDMR_CL_MSK) << 7) | 0x10);
+ memctl->memc_psdmr = CONFIG_SYS_PSDMR | PSDMR_OP_PREA; /* Precharge all banks */
+ *ramaddr = c;
+ memctl->memc_psdmr = CONFIG_SYS_PSDMR | PSDMR_OP_CBRR; /* CBR refresh */
+ for (i = 0; i < 8; i++)
+ *ramaddr = c;
+ memctl->memc_psdmr = CONFIG_SYS_PSDMR | PSDMR_OP_MRW; /* Mode Register write */
+ *ramaddr = c;
+ memctl->memc_psdmr = CONFIG_SYS_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: Zephyr ZPC.1900 Rev. %c\n", bcsr[2] + 0x40);
+ return 0;
+}
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