--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2010-2020 CS Group
+ * Charles Frey <charles.frey@c-s.fr>
+ * Florent Trinh Thai <florent.trinh-thai@c-s.fr>
+ * Christophe Leroy <christophe.leroy@c-s.fr>
+ *
+ * Board specific routines for the CMPC885 board
+ */
+
+#include <env.h>
+#include <common.h>
+#include <mpc8xx.h>
+#include <asm/io.h>
+#include <dm.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <watchdog.h>
+#include <serial.h>
+#include <hang.h>
+#include <flash.h>
+#include <init.h>
+#include <fdt_support.h>
+#include <linux/delay.h>
+
+#include <spi.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define BOARD_CMPC885 "cmpc885"
+#define BOARD_MCR3000_2G "mcr3k_2g"
+
+#define TYPE_MCR 0x22
+
+#define ADDR_CPLD_R_RESET ((unsigned short __iomem *)CONFIG_CPLD_BASE)
+#define ADDR_CPLD_R_ETAT ((unsigned short __iomem *)(CONFIG_CPLD_BASE + 2))
+#define ADDR_CPLD_R_TYPE ((unsigned char __iomem *)(CONFIG_CPLD_BASE + 3))
+
+#define ADDR_FPGA_R_BASE ((unsigned char __iomem *)CONFIG_FPGA_BASE)
+#define ADDR_FPGA_R_ALARMES_IN ((unsigned char __iomem *)CONFIG_FPGA_BASE + 0x31)
+
+#define FPGA_R_ACQ_AL_FAV 0x04
+#define R_ETAT_PRES_BASE 0x0040
+
+#define R_RESET_STATUS 0x0400
+#define R_RST_STATUS 0x0004
+
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+ const char *sync = "receive";
+
+ ft_cpu_setup(blob, bd);
+
+ /* BRG */
+ do_fixup_by_path_u32(blob, "/soc/cpm", "brg-frequency",
+ bd->bi_busfreq, 1);
+ /* MAC addr */
+ fdt_fixup_ethernet(blob);
+
+ /* Bus Frequency for CPM */
+ do_fixup_by_path_u32(blob, "/soc", "bus-frequency", bd->bi_busfreq, 1);
+
+ /* E1 interface - Set data rate */
+ do_fixup_by_path_u32(blob, "/localbus/e1", "data-rate", 2, 1);
+
+ /* E1 interface - Set channel phase to 0 */
+ do_fixup_by_path_u32(blob, "/localbus/e1", "channel-phase", 0, 1);
+
+ /* E1 interface - rising edge sync pulse transmit */
+ do_fixup_by_path(blob, "/localbus/e1", "rising-edge-sync-pulse",
+ sync, strlen(sync), 1);
+
+ return 0;
+}
+
+int checkboard(void)
+{
+ serial_puts("Board: ");
+
+ /* Is a motherboard present ? */
+ if (in_be16(ADDR_CPLD_R_ETAT) & R_ETAT_PRES_BASE) {
+ switch (in_8(ADDR_FPGA_R_BASE)) {
+ case TYPE_MCR:
+ printf("MCR3000_2G (CS GROUP)\n");
+ break;
+ default:
+ printf("Unknown\n");
+ for (;;)
+ ;
+ break;
+ }
+ } else {
+ printf("CMPC885 (CS GROUP)\n");
+ }
+ return 0;
+}
+
+#define SPI_EEPROM_READ 0x03
+#define MAX_SPI_BYTES 0x20
+
+#define EE_OFF_MAC1 0x13
+#define EE_OFF_MAC2 0x19
+
+/* Reads MAC addresses from SPI EEPROM */
+static int setup_mac(void)
+{
+ struct udevice *eeprom;
+ struct spi_slave *slave;
+ char name[30], *str;
+ uchar din[MAX_SPI_BYTES];
+ uchar dout[MAX_SPI_BYTES] = {SPI_EEPROM_READ, 0, 0};
+ int bitlen = 256, cs = 0, mode = 0, bus = 0, ret;
+ unsigned long ident = 0x08005120;
+
+ snprintf(name, sizeof(name), "generic_%d:%d", bus, cs);
+
+ str = strdup(name);
+ if (!str)
+ return -1;
+
+ ret = uclass_get_device(UCLASS_SPI, 0, &eeprom);
+ if (ret) {
+ printf("Could not enable Serial Peripheral Interface (SPI).\n");
+ return -1;
+ }
+
+ ret = _spi_get_bus_and_cs(bus, cs, 1000000, mode, "spi_generic_drv", str, &eeprom, &slave);
+ if (ret)
+ return ret;
+
+ ret = spi_claim_bus(slave);
+
+ ret = spi_xfer(slave, bitlen, dout, din, SPI_XFER_BEGIN | SPI_XFER_END);
+ if (ret) {
+ printf("Error %d during SPI transaction\n", ret);
+ return ret;
+ }
+
+ if (memcmp(din + EE_OFF_MAC1, &ident, sizeof(ident)) == 0)
+ eth_env_set_enetaddr("ethaddr", din + EE_OFF_MAC1);
+
+ if (memcmp(din + EE_OFF_MAC2, &ident, sizeof(ident)) == 0)
+ eth_env_set_enetaddr("eth1addr", din + EE_OFF_MAC2);
+
+ spi_release_bus(slave);
+
+ return 0;
+}
+
+int misc_init_r(void)
+{
+ u8 val;
+
+ val = in_8(ADDR_FPGA_R_BASE);
+
+ /* Verify mother board presence */
+ if (in_be16(ADDR_CPLD_R_ETAT) & R_ETAT_PRES_BASE) {
+ /* identify the type of mother board */
+ switch (val) {
+ case TYPE_MCR:
+ /* if at boot alarm button is pressed, delay boot */
+ if ((in_8(ADDR_FPGA_R_ALARMES_IN) & FPGA_R_ACQ_AL_FAV) == 0)
+ env_set("bootdelay", "60");
+
+ env_set("config", BOARD_MCR3000_2G);
+ env_set("hostname", BOARD_MCR3000_2G);
+ break;
+ default:
+ env_set("config", BOARD_CMPC885);
+ env_set("hostname", BOARD_CMPC885);
+ break;
+ }
+ } else {
+ printf("no mother board detected");
+ env_set("config", BOARD_CMPC885);
+ env_set("hostname", BOARD_CMPC885);
+ }
+
+ if (setup_mac())
+ printf("Error retrieving mac addresses\n");
+
+ /* Protection ON by default */
+ flash_protect(FLAG_PROTECT_SET, CFG_SYS_FLASH_BASE, 0xffffffff, &flash_info[0]);
+
+ return 0;
+}
+
+static void iop_setup_mcr(void)
+{
+ immap_t __iomem *immr = (immap_t __iomem *)CONFIG_SYS_IMMR;
+ iop8xx_t __iomem *iop = &immr->im_ioport;
+ cpm8xx_t __iomem *cp = &immr->im_cpm;
+
+ /* Wait reset on FPGA_F */
+ udelay(100);
+
+ /* We must initialize data before changing direction */
+ setbits_be16(&iop->iop_pcdat, 0x088E);
+ setbits_be16(&iop->iop_pddat, 0x0001);
+ setbits_be32(&cp->cp_pbdat, 0x00029510);
+ setbits_be32(&cp->cp_pedat, 0x00000002);
+
+ /*
+ * PAPAR[13] = 0 [0x0004] -> GPIO: ()
+ * PAPAR[12] = 0 [0x0008] -> GPIO: ()
+ * PAPAR[9] = 1 [0x0040] -> GPIO: (PCM_IN_12_MPC)
+ * PAPAR[8] = 1 [0x0080] -> GPIO: (PCM_OUT_12_MPC)
+ * PAPAR[7] = 1 [0x0100] -> GPIO: (TDM_BCLK_MPC)
+ * PAPAR[6] = 1 [0x0200] -> GPIO: (CLK2)
+ */
+ clrsetbits_be16(&iop->iop_papar, 0x03CC, 0x03C0);
+
+ /*
+ * PBODR[16] = 1 [0x00008000] -> GPIO: (PROG_FPGA_MEZZ)
+ */
+ setbits_be16(&cp->cp_pbodr, 0x00008000);
+
+ /*
+ * PBDIR[27] = 1 [0x00000010] -> GPIO: (WR_TEMP2)
+ * PBDIR[26] = 1 [0x00000020] -> GPIO: (BRG02)
+ * PBDIR[23] = 1 [0x00000100] -> GPIO: (CS_TEMP2)
+ * PBDIR[18] = 1 [0x00002000] -> GPIO: (RTS2)
+ * PBDIR[16] = 1 [0x00008000] -> GPIO: (PROG_FPGA_MEZZ)
+ * PBDIR[15] = 1 [0x00010000] -> GPIO: (BRG03)
+ * PBDIR[14] = 1 [0x00020000] -> GPIO: (CS_TEMP)
+ */
+ setbits_be32(&cp->cp_pbdir, 0x0003A130);
+
+ /*
+ * PBPAR[20] = 1 [0x00000800] -> GPIO: (SMRXD2)
+ * PBPAR[17] = 0 [0x00004000] -> GPIO: (DONE_FPGA_MEZZ)
+ * PBPAR[16] = 0 [0x00008000] -> GPIO: (PROG_FPGA_MEZZ)
+ */
+ clrsetbits_be32(&cp->cp_pbpar, 0x0000C800, 0x00000800);
+
+ /*
+ * PCPAR[14] = 0 [0x0002] -> GPIO: (CS_POT2)
+ */
+ clrbits_be16(&iop->iop_pcpar, 0x0002);
+
+ /*
+ * PDPAR[14] = 1 [0x0002] -> GPIO: (TDM_FS_MPC)
+ * PDPAR[11] = 1 [0x0010] -> GPIO: (RXD3)
+ * PDPAR[10] = 1 [0x0020] -> GPIO: (TXD3)
+ * PDPAR[9] = 1 [0x0040] -> GPIO: (TXD4)
+ * PDPAR[7] = 1 [0x0100] -> GPIO: (RTS3)
+ * PDPAR[5] = 1 [0x0400] -> GPIO: (CLK8)
+ * PDPAR[3] = 1 [0x1000] -> GPIO: (CLK7)
+ */
+ setbits_be16(&iop->iop_pdpar, 0x1572);
+
+ /*
+ * PEPAR[27] = 1 [0x00000010] -> GPIO: (R2_RXER)
+ * PEPAR[26] = 1 [0x00000020] -> GPIO: (R2_CRS_DV)
+ * PEPAR[25] = 1 [0x00000040] -> GPIO: (RXD4)
+ * PEPAR[24] = 1 [0x00000080] -> GPIO: (BRG01)
+ * PEPAR[23] = 0 [0x00000100] -> GPIO: (DONE_FPGA_RADIO)
+ * PEPAR[22] = 1 [0x00000200] -> GPIO: (R2_RXD1)
+ * PEPAR[21] = 1 [0x00000400] -> GPIO: (R2_RXD0)
+ * PEPAR[20] = 1 [0x00000800] -> GPIO: (SMTXD2)
+ * PEPAR[19] = 1 [0x00001000] -> GPIO: (R2_TXEN)
+ * PEPAR[17] = 1 [0x00004000] -> GPIO: (CLK5)
+ * PEPAR[16] = 1 [0x00008000] -> GPIO: (R2_REF_CLK)
+ * PEPAR[15] = 1 [0x00010000] -> GPIO: (R2_TXD1)
+ * PEPAR[14] = 1 [0x00020000] -> GPIO: (R2_TXD0)
+ */
+ clrsetbits_be32(&cp->cp_pepar, 0x0003DFF0, 0x0003DEF0);
+
+ /*
+ * PADIR[9] = 1 [0x0040] -> GPIO: (PCM_IN_12_MPC)
+ * PADIR[8] = 1 [0x0080] -> GPIO: (PCM_OUT_12_MPC)
+ * PADIR[5] = 1 [0x0400] -> GPIO: ()
+ */
+ setbits_be16(&iop->iop_padir, 0x04C0);
+
+ /*
+ * PCDIR[15] = 1 [0x0001] -> GPIO: (WP_EEPROM2)
+ * PCDIR[14] = 1 [0x0002] -> GPIO: (CS_POT2)
+ * PCDIR[13] = 1 [0x0004] -> GPIO: (CS_POT1)
+ * PCDIR[12] = 1 [0x0008] -> GPIO: (CS_EEPROM2)
+ * PCDIR[8] = 1 [0x0080] -> GPIO: (CS_CODEC_FAV)
+ * PCDIR[4] = 1 [0x0800] -> GPIO: (CS_CODEC_RADIO)
+ */
+ setbits_be16(&iop->iop_pcdir, 0x088F);
+
+ /*
+ * PDDIR[9] = 1 [0x0040] -> GPIO: (TXD4)
+ * PDDIR[6] = 0 [0x0200] -> GPIO: (INIT_FPGA_RADIO)
+ * PDDIR[2] = x [0x2000] -> Reserved
+ * PDDIR[1] = 0 [0x4000] -> ODR for PD10 : (TXD3)
+ * PDDIR[0] = 0 [0x8000] -> ODR for PD8 : (R_MDC)
+ */
+ clrsetbits_be16(&iop->iop_pddir, 0xC240, 0x0040);
+
+ /*
+ * PEDIR[30] = 1 [0x00000002] -> GPIO: (FPGA_FIRMWARE)
+ * PEDIR[27] = 1 [0x00000010] -> GPIO: (R2_RXER)
+ * PEDIR[26] = 1 [0x00000020] -> GPIO: (R2_CRS_DV)
+ * PEDIR[23] = 0 [0x00000100] -> GPIO: (DONE_FPGA_RADIO)
+ * PEDIR[22] = 1 [0x00000200] -> GPIO: (R2_RXD1)
+ * PEDIR[21] = 1 [0x00000400] -> GPIO: (R2_RXD0)
+ * PEDIR[19] = 1 [0x00001000] -> GPIO: (R2_TXEN)
+ * PEDIR[18] = 1 [0x00002000] -> GPIO: (PROG_FPGA_RADIO)
+ * PEDIR[16] = 1 [0x00008000] -> GPIO: (R2_REF_CLK)
+ * PEDIR[15] = 1 [0x00010000] -> GPIO: (R2_TXD1)
+ * PEDIR[14] = 1 [0x00020000] -> GPIO: (R2_TXD0)
+ */
+ clrsetbits_be32(&cp->cp_pedir, 0x0003B732, 0x0003B632);
+
+ /*
+ * PAODR[10] = 1 [0x0020] -> GPIO: (INIT_FPGA_F)
+ */
+ setbits_be16(&iop->iop_paodr, 0x0020); // set_bit
+
+ /*
+ * PEODR[30] = 1 [0x00000002] -> GPIO: (FPGA_FIRMWARE)
+ * PEODR[18] = 1 [0x00002000] -> GPIO: (FPGA_RADIO)
+ */
+ setbits_be32(&cp->cp_peodr, 0x00002002);
+
+ /*
+ * PESO[24] = 1 [0x00000080] -> GPIO: (BRG01)
+ * PESO[23] = 0 [0x00000100] -> GPIO: (DONE_FPGA_RADIO)
+ * PESO[20] = 1 [0x00000800] -> GPIO: (SMTXD2)
+ * PESO[19] = 1 [0x00001000] -> GPIO: (R2_TXEN)
+ * PESO[15] = 1 [0x00010000] -> GPIO: (R2_TXD1)
+ * PESO[14] = 1 [0x00020000] -> GPIO: (R2_TXD0)
+ */
+ clrsetbits_be32(&cp->cp_peso, 0x00031980, 0x00031880);
+
+ /* Disable CS for device */
+ /* PROGFPGA down */
+ clrbits_be32(&cp->cp_pbdat, 0x00008000);
+
+ /* PROGFPGA down */
+ clrbits_be32(&cp->cp_pedat, 0x00002000);
+ udelay(1); /* Wait more than 300ns */
+
+ /*
+ * We do not set the PROG signal of the C4E1 because
+ * there is a conflic with the CS of the EEPROM.
+ * I don't know why there is not the same problem
+ * with the FPGA_R
+ */
+
+ /* PROGFPGA up */
+ setbits_be32(&cp->cp_pedat, 0x00002000);
+}
+
+static void iop_setup_cmpc885(void)
+{
+ immap_t __iomem *immr = (immap_t __iomem *)CONFIG_SYS_IMMR;
+ iop8xx_t __iomem *iop = &immr->im_ioport;
+ cpm8xx_t __iomem *cp = &immr->im_cpm;
+
+ /* We must initialize data before changing direction */
+ out_be16(&iop->iop_pcdat, 0x0000);
+ out_be16(&iop->iop_pddat, 0x0001);
+
+ out_be32(&cp->cp_pbdat, 0x00021400);
+ out_be32(&cp->cp_pedat, 0x00000000);
+
+ /*
+ * PAPAR[13] = 0 [0x0004] -> GPIO: ()
+ * PAPAR[12] = 0 [0x0008] -> GPIO: ()
+ * PAPAR[9] = 0 [0x0040] -> GPIO: ()
+ * PAPAR[8] = 0 [0x0080] -> GPIO: ()
+ * PAPAR[7] = 0 [0x0100] -> GPIO: ()
+ * PAPAR[6] = 0 [0x0200] -> GPIO: ()
+ */
+ clrbits_be16(&iop->iop_papar, 0x03CC);
+
+ /*
+ * PBPAR[20] = 0 [0x00000800] -> GPIO: ()
+ * PBPAR[17] = 0 [0x00004000] -> GPIO: ()
+ * PBPAR[16] = 0 [0x00008000] -> GPIO: ()
+ */
+ clrbits_be32(&cp->cp_pbpar, 0x0000C800);
+
+ /*
+ * PCPAR[14] = 0 [0x0002] -> GPIO: ()
+ */
+ clrbits_be16(&iop->iop_pcpar, 0x0002);
+
+ /*
+ * PDPAR[14] = 0 [0x0002] -> GPIO: ()
+ * PDPAR[11] = 0 [0x0010] -> GPIO: ()
+ * PDPAR[10] = 0 [0x0020] -> GPIO: ()
+ * PDPAR[9] = 0 [0x0040] -> GPIO: ()
+ * PDPAR[7] = 0 [0x0100] -> GPIO: ()
+ * PDPAR[5] = 0 [0x0400] -> GPIO: ()
+ * PDPAR[3] = 0 [0x1000] -> GPIO: ()
+ */
+ clrbits_be16(&iop->iop_pdpar, 0x1572);
+
+ /*
+ * PEPAR[27] = 0 [0x00000010] -> GPIO: ()
+ * PEPAR[26] = 0 [0x00000020] -> GPIO: ()
+ * PEPAR[25] = 0 [0x00000040] -> GPIO: ()
+ * PEPAR[24] = 0 [0x00000080] -> GPIO: ()
+ * PEPAR[23] = 0 [0x00000100] -> GPIO: ()
+ * PEPAR[22] = 0 [0x00000200] -> GPIO: ()
+ * PEPAR[21] = 0 [0x00000400] -> GPIO: ()
+ * PEPAR[20] = 0 [0x00000800] -> GPIO: ()
+ * PEPAR[19] = 0 [0x00001000] -> GPIO: ()
+ * PEPAR[17] = 0 [0x00004000] -> GPIO: ()
+ * PEPAR[16] = 0 [0x00008000] -> GPIO: ()
+ * PEPAR[15] = 0 [0x00010000] -> GPIO: ()
+ * PEPAR[14] = 0 [0x00020000] -> GPIO: ()
+ */
+ clrbits_be32(&cp->cp_pepar, 0x0003DFF0);
+
+ /*
+ * PADIR[9] = 0 [0x0040] -> GPIO: ()
+ * PADIR[8] = 0 [0x0080] -> GPIO: ()
+ * PADIR[5] = 0 [0x0400] -> GPIO: ()
+ */
+ clrbits_be16(&iop->iop_padir, 0x04C0);
+
+ /*
+ * In/Out or per. Function 0/1
+ * PBDIR[27] = 0 [0x00000010] -> GPIO: ()
+ * PBDIR[26] = 0 [0x00000020] -> GPIO: ()
+ * PBDIR[23] = 0 [0x00000100] -> GPIO: ()
+ * PBDIR[17] = 0 [0x00004000] -> GPIO: ()
+ * PBDIR[16] = 0 [0x00008000] -> GPIO: ()
+ */
+ clrbits_be32(&cp->cp_pbdir, 0x0000C130);
+
+ /*
+ * PCDIR[15] = 0 [0x0001] -> GPIO: ()
+ * PCDIR[14] = 0 [0x0002] -> GPIO: ()
+ * PCDIR[13] = 0 [0x0004] -> GPIO: ()
+ * PCDIR[12] = 0 [0x0008] -> GPIO: ()
+ * PCDIR[8] = 0 [0x0080] -> GPIO: ()
+ * PCDIR[4] = 0 [0x0800] -> GPIO: ()
+ */
+ clrbits_be16(&iop->iop_pcdir, 0x088F);
+
+ /*
+ * PDDIR[9] = 0 [0x0040] -> GPIO: ()
+ * PDDIR[6] = 0 [0x0200] -> GPIO: ()
+ * PDDIR[2] = x [0x2000] -> Reserved
+ * PDDIR[1] = 0 [0x4000] -> ODR for PD10 : ()
+ * PDDIR[0] = 0 [0x8000] -> ODR for PD8 : (R_MDC)
+ */
+ clrbits_be16(&iop->iop_pddir, 0xC240);
+
+ /*
+ * PEDIR[30] = 0 [0x00000002] -> GPIO: ()
+ * PEDIR[27] = 0 [0x00000010] -> GPIO: ()
+ * PEDIR[26] = 0 [0x00000020] -> GPIO: ()
+ * PEDIR[23] = 0 [0x00000100] -> GPIO: ()
+ * PEDIR[22] = 0 [0x00000200] -> GPIO: ()
+ * PEDIR[21] = 0 [0x00000400] -> GPIO: ()
+ * PEDIR[19] = 0 [0x00001000] -> GPIO: ()
+ * PEDIR[18] = 0 [0x00002000] -> GPIO: ()
+ * PEDIR[16] = 0 [0x00008000] -> GPIO: ()
+ * PEDIR[15] = 0 [0x00010000] -> GPIO: ()
+ * PEDIR[14] = 0 [0x00020000] -> GPIO: ()
+ */
+ clrbits_be32(&cp->cp_pedir, 0x0003B732);
+
+ /*
+ * PAODR[10] = 0 [0x0020] -> GPIO: ()
+ */
+ clrbits_be16(&iop->iop_paodr, 0x0020);
+
+ /*
+ * PBODR[16] = 0 [0x00008000] -> GPIO: ()
+ */
+ clrbits_be16(&cp->cp_pbodr, 0x00008000);
+
+ /*
+ * PEODR[30] = 0 [0x00000002] -> GPIO: ()
+ * PEODR[18] = 0 [0x00002000] -> GPIO: ()
+ */
+ clrbits_be32(&cp->cp_peodr, 0x00002002);
+
+ /*
+ * PESO[24] = 0 [0x00000080] -> GPIO: ()
+ * PESO[23] = 0 [0x00000100] -> GPIO: ()
+ * PESO[20] = 0 [0x00000800] -> GPIO: ()
+ * PESO[19] = 0 [0x00001000] -> GPIO: ()
+ * PESO[15] = 0 [0x00010000] -> GPIO: ()
+ * PESO[14] = 0 [0x00020000] -> GPIO: ()
+ */
+ clrbits_be32(&cp->cp_peso, 0x00031980);
+}
+
+int board_early_init_f(void)
+{
+ return 0;
+}
+
+/* Specific board initialization */
+int board_early_init_r(void)
+{
+ immap_t __iomem *immr = (immap_t __iomem *)CONFIG_SYS_IMMR;
+ iop8xx_t __iomem *iop = &immr->im_ioport;
+ cpm8xx_t __iomem *cp = &immr->im_cpm;
+
+ /* MPC885 Port settings common to all boards */
+ setbits_be16(&iop->iop_padat, 0x0000);
+
+ /* Port A (MPC885 reference manual - 34.2) */
+ /*
+ * In/Out or per. Function 0/1
+ * PADIR[15] = 0 [0x0001] -> GPIO: (USB_RXD)
+ * PADIR[14] = 0 [0x0002] -> GPIO: (USB_OE)
+ * PADIR[13] = 0 [0x0004] -> GPIO: ()
+ * PADIR[12] = 0 [0x0008] -> GPIO: ()
+ * PADIR[11] = 1 [0x0010] -> GPIO: (R1_TXD0)
+ * PADIR[10] = 0 [0x0020] -> GPIO: ()
+ * PADIR[7] = 0 [0x0100] -> GPIO: ()
+ * PADIR[6] = 0 [0x0200] -> GPIO: ()
+ * PADIR[4] = 1 [0x0800] -> GPIO: (R1_TXD1)
+ * PADIR[3] = 0 [0x1000] -> GPIO: (R1_RXER)
+ * PADIR[2] = 0 [0x2000] -> GPIO: (R1_CRS_DV)
+ * PADIR[1] = 0 [0x4000] -> GPIO: (R1_RXD0)
+ * PADIR[0] = 0 [0x8000] -> GPIO: (R1_RXD1)
+ */
+ clrsetbits_be16(&iop->iop_padir, 0xFB3F, 0x0810);
+
+ /*
+ * Open drain or active output
+ * PAODR[15] = x [0x0001]
+ * PAODR[14] = 0 [0x0002]
+ * PAODR[13] = x [0x0004]
+ * PAODR[12] = 0 [0x0008]
+ * PAODR[11] = 0 [0x0010]
+ * PAODR[9] = 0 [0x0040]
+ * PAODR[8] = 0 [0x0080]
+ * PAODR[7] = 0 [0x0100]
+ */
+ clrbits_be16(&iop->iop_paodr, 0x01DF);
+
+ /*
+ * GPIO or per. Function
+ * PAPAR[15] = 1 [0x0001] -> GPIO: (USB_RXD)
+ * PAPAR[14] = 1 [0x0002] -> GPIO: (USB_OE)
+ * PAPAR[11] = 1 [0x0010] -> GPIO: (R1_TXD0)
+ * PAPAR[10] = 0 [0x0020] -> GPIO: (INIT_FPGA_F)
+ * PAPAR[5] = 0 [0x0400] -> GPIO: ()
+ * PAPAR[4] = 1 [0x0800] -> GPIO: (R1_TXD1)
+ * PAPAR[3] = 1 [0x1000] -> GPIO: (R1_RXER)
+ * PAPAR[2] = 1 [0x2000] -> GPIO: (R1_CRS_DV)
+ * PAPAR[1] = 1 [0x4000] -> GPIO: (R1_RXD0)
+ * PAPAR[0] = 1 [0x8000] -> GPIO: (R1_RXD1)
+ */
+ clrsetbits_be16(&iop->iop_papar, 0xFC33, 0xF813);
+
+ /* Port B (MPC885 reference manual - 34.3) */
+ /*
+ * In/Out or per. Function 0/1
+ * PBDIR[31] = 0 [0x00000001] -> GPIO: (R1_REF_CLK)
+ * PBDIR[30] = 1 [0x00000002] -> GPIO: (CLK)
+ * PBDIR[29] = 1 [0x00000004] -> GPIO: (MOSI)
+ * PBDIR[28] = 1 [0x00000008] -> GPIO: (MISO)
+ * PBDIR[25] = 0 [0x00000040] -> GPIO: (SMTXD1)
+ * PBDIR[24] = 0 [0x00000080] -> GPIO: (SMRXD1)
+ * PBDIR[22] = 0 [0x00000200] -> GPIO: (INIT_FPGA_MEZZ)
+ * PBDIR[21] = 1 [0x00000400] -> GPIO: (CS_EEPROM)
+ * PBDIR[20] = 0 [0x00000800] -> GPIO: (SMRXD2)
+ * PBDIR[19] = 1 [0x00001000] -> GPIO: (WR_TEMP)
+ * PBDIR[17] = 0 [0x00004000] -> GPIO: (DONE_FPGA_MEZZ)
+ */
+ clrsetbits_be32(&cp->cp_pbdir, 0x00005ECF, 0x0000140E);
+
+ /*
+ * Open drain or active output
+ * PBODR[31] = 0 [0x00000001] -> GPIO: (R1_REF_CLK)
+ * PBODR[30] = 0 [0x00000002] -> GPIO: (CLK)
+ * PBODR[29] = 0 [0x00000004] -> GPIO: (MOSI)
+ * PBODR[28] = 0 [0x00000008] -> GPIO: (MISO)
+ * PBODR[27] = 0 [0x00000010] -> GPIO: (WR_TEMP2)
+ * PBODR[26] = 0 [0x00000020] -> GPIO: (BRG02)
+ * PBODR[25] = 0 [0x00000040] -> GPIO: (SMTXD1)
+ * PBODR[24] = 0 [0x00000080] -> GPIO: (SMRXD1)
+ * PBODR[23] = 0 [0x00000100] -> GPIO: (CS_TEMP2)
+ * PBODR[22] = 0 [0x00000200] -> GPIO: (INIT_FPGA_MEZZ)
+ * PBODR[21] = 0 [0x00000400] -> GPIO: (CS_EEPROM)
+ * PBODR[20] = 0 [0x00000800] -> GPIO: (SMRXD2)
+ * PBODR[19] = 0 [0x00001000] -> GPIO: (WR_TEMP)
+ * PBODR[18] = 0 [0x00002000] -> GPIO: (RTS2)
+ * PBODR[17] = 0 [0x00004000] -> GPIO: (DONE_FPGA_MEZZ)
+ */
+ clrbits_be16(&cp->cp_pbodr, 0x00007FFF);
+
+ /*
+ * GPIO or per. Function
+ * PBPAR[31] = 1 [0x00000001] -> GPIO: (R1_REF_CLK)
+ * PBPAR[30] = 1 [0x00000002] -> GPIO: (CLK)
+ * PBPAR[29] = 1 [0x00000004] -> GPIO: (MOSI)
+ * PBPAR[28] = 1 [0x00000008] -> GPIO: (MISO)
+ * PBPAR[27] = 0 [0x00000010] -> GPIO: (WR_TEMP2)
+ * PBPAR[26] = 0 [0x00000020] -> GPIO: (BRG02)
+ * PBPAR[25] = 1 [0x00000040] -> GPIO: (SMTXD1)
+ * PBPAR[24] = 1 [0x00000080] -> GPIO: (SMRXD1)
+ * PBPAR[23] = 0 [0x00000100] -> GPIO: (CS_TEMP2)
+ * PBPAR[22] = 0 [0x00000200] -> GPIO: (INIT_FPGA_MEZZ)
+ * PBPAR[21] = 0 [0x00000400] -> GPIO: (CS_EEPROM)
+ * PBPAR[19] = 0 [0x00001000] -> GPIO: (WR_TEMP)
+ * PBPAR[18] = 0 [0x00002000] -> GPIO: (RTS2)
+ * PBPAR[15] = 0 [0x00010000] -> GPIO: (BRG03)
+ * PBPAR[14] = 0 [0x00020000] -> GPIO: (CS_TEMP)
+ */
+ clrsetbits_be32(&cp->cp_pbpar, 0x000337FF, 0x000000CF);
+
+ /* Port C (MPC885 Reference Manual - 34.4) */
+ /*
+ * In/Out or per. Function 0/1
+ * PCDIR[11] = 0 [0x0010] -> GPIO: (USB_RXP)
+ * PCDIR[10] = 0 [0x0020] -> GPIO: (USB_RXN)
+ * PCDIR[9] = 0 [0x0040] -> GPIO: (CTS2)
+ * PCDIR[7] = 1 [0x0100] -> GPIO: (USB_TXP)
+ * PCDIR[6] = 1 [0x0200] -> GPIO: (USB_TXN)
+ * PCDIR[5] = 0 [0x0400] -> GPIO: (CTS3)
+ */
+ clrsetbits_be16(&iop->iop_pcdir, 0x0770, 0x0300);
+
+ /*
+ * GPIO or per. Function
+ * PCPAR[15] = 0 [0x0001] -> GPIO: (WP_EEPROM2)
+ * PCPAR[13] = 0 [0x0004] -> GPIO: (CS_POT1)
+ * PCPAR[12] = 0 [0x0008] -> GPIO: (CS_EEPROM2)
+ * PCPAR[11] = 0 [0x0010] -> GPIO: (USB_RXP)
+ * PCPAR[10] = 0 [0x0020] -> GPIO: (USB_RXN)
+ * PCPAR[9] = 0 [0x0040] -> GPIO: (CTS2)
+ * PCPAR[8] = 0 [0x0080] -> GPIO: (CS_CODEC_FAV)
+ * PCPAR[7] = 1 [0x0100] -> GPIO: (USB_TXP)
+ * PCPAR[6] = 1 [0x0200] -> GPIO: (USB_TXN)
+ * PCPAR[5] = 0 [0x0400] -> GPIO: (CTS3)
+ * PCPAR[4] = 0 [0x0800] -> GPIO: (CS_CODEC_RADIO)
+ */
+ clrsetbits_be16(&iop->iop_pcpar, 0x0FFD, 0x0300);
+
+ /*
+ * Special Option register
+ * PCSO[15] = 0 [0x0001] -> GPIO: (WP_EEPROM2)
+ * PCSO[14] = 0 [0x0002] -> GPIO: (CS_POT2)
+ * PCSO[13] = x [0x0004] -> Reserved
+ * PCSO[12] = x [0x0008] -> Reserved
+ * PCSO[11] = 1 [0x0010] -> GPIO: (USB_RXP)
+ * PCSO[10] = 1 [0x0020] -> GPIO: (USB_RXN)
+ * PCSO[9] = 1 [0x0040] -> GPIO: (CTS2)
+ * PCSO[8] = 0 [0x0080] -> GPIO: (CS_CODEC_FAV)
+ * PCSO[7] = 0 [0x0100] -> GPIO: (USB_TXP)
+ * PCSO[6] = 0 [0x0200] -> GPIO: (USB_TXN)
+ * PCSO[5] = 1 [0x0400] -> GPIO: (CTS3)
+ * PCSO[4] = 0 [0x0800] -> GPIO: (CS_CODEC_RADIO)
+ */
+ clrsetbits_be16(&iop->iop_pcso, 0x0FF3, 0x0470);
+
+ /*
+ * Interrupt or IO
+ * PCINT[15] = 0 [0x0001] -> GPIO: ()
+ * PCINT[14] = 0 [0x0002] -> GPIO: ()
+ * PCINT[13] = 0 [0x0004] -> GPIO: ()
+ * PCINT[12] = 0 [0x0008] -> GPIO: ()
+ * PCINT[11] = 0 [0x0010] -> GPIO: (USB_RXP)
+ * PCINT[10] = 0 [0x0020] -> GPIO: (USB_RXN)
+ * PCINT[9] = 0 [0x0040] -> GPIO: ()
+ * PCINT[8] = 0 [0x0080] -> GPIO: ()
+ * PCINT[7] = 0 [0x0100] -> GPIO: (USB_TXP)
+ * PCINT[6] = 0 [0x0200] -> GPIO: (USB_TXN)
+ * PCINT[5] = 0 [0x0400] -> GPIO: ()
+ * PCINT[4] = 0 [0x0800] -> GPIO: ()
+ */
+ clrbits_be16(&iop->iop_pcint, 0x0FFF);
+
+ /* Port D (MPC885 Reference Manual - 34.5) */
+ /*
+ * In/Out or per. Function 0/1
+ * PDDIR[15] = 1 [0x0001] -> GPIO: (CS_NAND)
+ * PDDIR[14] = 0 [0x0002] -> GPIO: (TDM_FS_MPC)
+ * PDDIR[13] = 1 [0x0004] -> GPIO: (ALE_NAND)
+ * PDDIR[12] = 1 [0x0008] -> GPIO: (CLE_NAND)
+ * PDDIR[11] = 0 [0x0010] -> GPIO: (RXD3)
+ * PDDIR[10] = 0 [0x0020] -> GPIO: (TXD3)
+ * PDDIR[9] = 1 [0x0040] -> GPIO: (TXD4)
+ * PDDIR[8] = 0 [0x0080] -> GPIO: (R_MDC)
+ * PDDIR[7] = 0 [0x0100] -> GPIO: (RTS3)
+ * PDDIR[5] = 0 [0x0400] -> GPIO: (CLK8)
+ * PDDIR[4] = 0 [0x0800] -> GPIO: (CLK4)
+ * PDDIR[3] = 0 [0x1000] -> GPIO: (CLK7)
+ */
+ clrsetbits_be16(&iop->iop_pddir, 0x1DFF, 0x004D);
+
+ /*
+ * GPIO or per. Function
+ * PDPAR[15] = 0 [0x0001] -> GPIO: (CS_NAND)
+ * PDPAR[13] = 0 [0x0004] -> GPIO: (ALE_NAND)
+ * PDPAR[12] = 0 [0x0008] -> GPIO: (CLE_NAND)
+ * PDPAR[8] = 1 [0x0080] -> GPIO: (R_MDC)
+ * PDPAR[6] = 0 [0x0200] -> GPIO: (INIT_FPGA_RADIO)
+ * PDPAR[4] = 1 [0x0800] -> GPIO: (CLK4)
+ */
+ clrsetbits_be16(&iop->iop_pdpar, 0x0A8D, 0x0880);
+
+ /* Port E (MPC885 Reference Manual - 34.6) */
+ /*
+ * In/Out or per. Function 0/1
+ * PEDIR[31] = 0 [0x00000001] -> GPIO: (DONE_FPGA_FIRMWARE)
+ * PEDIR[29] = 1 [0x00000004] -> GPIO: (USB_SPEED)
+ * PEDIR[28] = 1 [0x00000008] -> GPIO: (USB_SUSPEND)
+ * PEDIR[25] = 0 [0x00000040] -> GPIO: (RXD4)
+ * PEDIR[24] = 0 [0x00000080] -> GPIO: (BRG01)
+ * PEDIR[20] = 0 [0x00000800] -> GPIO: (SMTXD2)
+ * PEDIR[17] = 0 [0x00004000] -> GPIO: (CLK5)
+ */
+ clrsetbits_be32(&cp->cp_pedir, 0x000048CD, 0x0000000C);
+
+ /*
+ * open drain or active output
+ * PEODR[31] = 0 [0x00000001] -> GPIO: (DONE_FPGA_FIRMWARE)
+ * PEODR[29] = 0 [0x00000004] -> GPIO: (USB_SPEED)
+ * PEODR[28] = 1 [0x00000008] -> GPIO: (USB_SUSPEND)
+ * PEODR[27] = 0 [0x00000010] -> GPIO: (R2_RXER)
+ * PEODR[26] = 0 [0x00000020] -> GPIO: (R2_CRS_DV)
+ * PEODR[25] = 0 [0x00000040] -> GPIO: (RXD4)
+ * PEODR[24] = 0 [0x00000080] -> GPIO: (BRG01)
+ * PEODR[23] = 0 [0x00000100] -> GPIO: (DONE_FPGA_RADIO)
+ * PEODR[22] = 0 [0x00000200] -> GPIO: (R2_RXD1)
+ * PEODR[21] = 0 [0x00000400] -> GPIO: (R2_RXD0)
+ * PEODR[20] = 0 [0x00000800] -> GPIO: (SMTXD2)
+ * PEODR[19] = 0 [0x00001000] -> GPIO: (R2_TXEN)
+ * PEODR[17] = 0 [0x00004000] -> GPIO: (CLK5)
+ * PEODR[16] = 0 [0x00008000] -> GPIO: (R2_REF_CLK)
+ */
+ clrsetbits_be32(&cp->cp_peodr, 0x0000DFFD, 0x00000008);
+
+ /*
+ * GPIO or per. Function
+ * PEPAR[31] = 0 [0x00000001] -> GPIO: (DONE_FPGA_FIRMWARE)
+ * PEPAR[30] = 0 [0x00000002] -> GPIO: (PROG_FPGA_FIRMWARE)
+ * PEPAR[29] = 0 [0x00000004] -> GPIO: (USB_SPEED)
+ * PEPAR[28] = 0 [0x00000008] -> GPIO: (USB_SUSPEND)
+ * PEPAR[18] = 0 [0x00002000] -> GPIO: (PROG_FPGA_RADIO)
+ */
+ clrbits_be32(&cp->cp_pepar, 0x0000200F);
+
+ /*
+ * Special Option register
+ * PESO[31] = 0 [0x00000001] -> GPIO: (DONE_FPGA_FIRMWARE)
+ * PESO[30] = 0 [0x00000002] -> GPIO: (PROG_FPGA_FIRMWARE)
+ * PESO[29] = 0 [0x00000004] -> GPIO: (USB_SPEED)
+ * PESO[28] = 0 [0x00000008] -> GPIO: (USB_SUSPEND)
+ * PESO[27] = 0 [0x00000010] -> GPIO: (R2_RXER)
+ * PESO[26] = 0 [0x00000020] -> GPIO: (R2_CRS_DV)
+ * PESO[25] = 0 [0x00000040] -> GPIO: (RXD4)
+ * PESO[22] = 0 [0x00000200] -> GPIO: (R2_RXD1)
+ * PESO[21] = 0 [0x00000400] -> GPIO: (R2_RXD0)
+ * PESO[18] = 0 [0x00002000] -> GPIO: (PROG_FPGA_RADIO)
+ * PESO[17] = 0 [0x00004000] -> GPIO: (CLK5)
+ * PESO[16] = 0 [0x00008000] -> GPIO: (R2_REF_CLK)
+ */
+ clrbits_be32(&cp->cp_peso, 0x0000E67F);
+
+ /* Is a motherboard present ? */
+ if (in_be16(ADDR_CPLD_R_ETAT) & R_ETAT_PRES_BASE) {
+ /* Initialize signal PROG_FPGA_FIRMWARE */
+ out_be32(&cp->cp_pedat, 0x00000002);
+ out_be32(&cp->cp_peodr, 0x00000002);
+ out_be32(&cp->cp_pedir, 0x00000002);
+
+ /* Check if fpga firmware is loaded */
+ if (!(in_be32(&cp->cp_pedat) & 0x00000001)) {
+ printf("Reloading FPGA firmware.\n");
+
+ /* Load fpga firmware */
+ /* Activate PROG_FPGA_FIRMWARE for 1 usec */
+ clrbits_be32(&cp->cp_pedat, 0x00000002);
+ udelay(1);
+ setbits_be32(&cp->cp_pedat, 0x00000002);
+
+ /* Wait 200 msec and check DONE_FPGA_FIRMWARE */
+ mdelay(200);
+ if (!(in_be32(&cp->cp_pedat) & 0x00000001)) {
+ for (;;) {
+ printf("error loading firmware.\n");
+ mdelay(500);
+ }
+ }
+
+ /* Send a reset signal and wait for 20 msec */
+ clrbits_be16(ADDR_CPLD_R_RESET, R_RST_STATUS);
+ mdelay(20);
+ setbits_be16(ADDR_CPLD_R_RESET, R_RST_STATUS);
+ }
+
+ /* Wait 300 msec and check the reset state */
+ mdelay(300);
+ if (!(in_be16(ADDR_CPLD_R_RESET) & R_RESET_STATUS)) {
+ for (;;) {
+ printf("Could not reset FPGA.\n");
+ mdelay(500);
+ }
+ }
+
+ /* is FPGA firmware loaded ? */
+ if (!(in_be32(&cp->cp_pedat) & 0x00000001)) {
+ printf("Reloading FPGA firmware\n");
+
+ /* Load FPGA firmware */
+ /* Activate PROG_FPGA_FIRMWARE for 1 usec */
+ clrbits_be32(&cp->cp_pedat, 0x00000002);
+ udelay(1);
+ setbits_be32(&cp->cp_pedat, 0x00000002);
+
+ /* Wait 200ms before checking DONE_FPGA_FIRMWARE */
+ mdelay(200);
+ }
+
+ /* Identify the type of mother board */
+ switch (in_8(ADDR_FPGA_R_BASE)) {
+ case TYPE_MCR:
+ iop_setup_mcr();
+ break;
+
+ default:
+ break;
+ }
+ /* CMPC885 board alone */
+ } else {
+ iop_setup_cmpc885();
+ }
+
+ return 0;
+}
projects / uboot.git / commitdiff