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-rw-r--r--board/digsy_mtc/Makefile2
-rw-r--r--board/digsy_mtc/cmd_mtc.c350
-rw-r--r--board/digsy_mtc/cmd_mtc.h60
-rw-r--r--board/digsy_mtc/digsy_mtc.c12
-rw-r--r--drivers/spi/Makefile1
-rw-r--r--drivers/spi/mpc52xx_spi.c109
-rw-r--r--include/configs/digsy_mtc.h23
-rw-r--r--include/mpc5xxx.h18
8 files changed, 574 insertions, 1 deletions
diff --git a/board/digsy_mtc/Makefile b/board/digsy_mtc/Makefile
index 7d659e5..0bededc 100644
--- a/board/digsy_mtc/Makefile
+++ b/board/digsy_mtc/Makefile
@@ -7,7 +7,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
-COBJS := $(BOARD).o
+COBJS := $(BOARD).o cmd_mtc.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
diff --git a/board/digsy_mtc/cmd_mtc.c b/board/digsy_mtc/cmd_mtc.c
new file mode 100644
index 0000000..9e377cd
--- /dev/null
+++ b/board/digsy_mtc/cmd_mtc.c
@@ -0,0 +1,350 @@
+/*
+ * (C) Copyright 2009
+ * Werner Pfister <Pfister_Werner@intercontrol.de>
+ *
+ * (C) Copyright 2009 Semihalf, Grzegorz Bernacki
+ *
+ * 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 <command.h>
+#include <mpc5xxx.h>
+#include "spi.h"
+#include "cmd_mtc.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static const char *led_names[] = {
+ "diag",
+ "can1",
+ "can2",
+ "can3",
+ "can4",
+ "usbpwr",
+ "usbbusy",
+ "user1",
+ "user2",
+ ""
+};
+
+static void mtc_calculate_checksum(tx_msp_cmd *packet)
+{
+ int i;
+ uchar *buff;
+
+ buff = (uchar *) packet;
+
+ for (i = 0; i < 6; i++)
+ packet->cks += buff[i];
+}
+
+static int do_mtc_led(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ tx_msp_cmd pcmd;
+ rx_msp_cmd prx;
+ int err = 0;
+ int i;
+
+ if (argc < 2) {
+ cmd_usage(cmdtp);
+ return -1;
+ }
+
+ memset(&pcmd, 0, sizeof(pcmd));
+ memset(&prx, 0, sizeof(prx));
+
+ pcmd.cmd = CMD_SET_LED;
+
+ pcmd.cmd_val0 = 0xff;
+ for (i = 0; strlen(led_names[i]) != 0; i++) {
+ if (strncmp(argv[1], led_names[i], strlen(led_names[i])) == 0) {
+ pcmd.cmd_val0 = i;
+ break;
+ }
+ }
+
+ if (pcmd.cmd_val0 == 0xff) {
+ printf("Usage:\n%s\n", cmdtp->help);
+ return -1;
+ }
+
+ if (argc >= 3) {
+ if (strncmp(argv[2], "red", 3) == 0)
+ pcmd.cmd_val1 = 1;
+ else if (strncmp(argv[2], "green", 5) == 0)
+ pcmd.cmd_val1 = 2;
+ else if (strncmp(argv[2], "orange", 6) == 0)
+ pcmd.cmd_val1 = 3;
+ else
+ pcmd.cmd_val1 = 0;
+ }
+
+ if (argc >= 4)
+ pcmd.cmd_val2 = simple_strtol(argv[3], NULL, 10);
+ else
+ pcmd.cmd_val2 = 0;
+
+ mtc_calculate_checksum(&pcmd);
+ err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx,
+ SPI_XFER_BEGIN | SPI_XFER_END);
+
+ return err;
+}
+
+static int do_mtc_key(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ tx_msp_cmd pcmd;
+ rx_msp_cmd prx;
+ int err = 0;
+
+ memset(&pcmd, 0, sizeof(pcmd));
+ memset(&prx, 0, sizeof(prx));
+
+ pcmd.cmd = CMD_GET_VIM;
+
+ mtc_calculate_checksum(&pcmd);
+ err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx,
+ SPI_XFER_BEGIN | SPI_XFER_END);
+
+ if (!err) {
+ /* function returns '0' if key is pressed */
+ err = (prx.input & 0x80) ? 0 : 1;
+ }
+
+ return err;
+}
+
+static int do_mtc_digout(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ tx_msp_cmd pcmd;
+ rx_msp_cmd prx;
+ int err = 0;
+ uchar channel_mask = 0;
+
+ if (argc < 3) {
+ cmd_usage(cmdtp);
+ return -1;
+ }
+
+ if (strncmp(argv[1], "on", 2) == 0)
+ channel_mask |= 1;
+ if (strncmp(argv[2], "on", 2) == 0)
+ channel_mask |= 2;
+
+ memset(&pcmd, 0, sizeof(pcmd));
+ memset(&prx, 0, sizeof(prx));
+
+ pcmd.cmd = CMD_GET_VIM;
+ pcmd.user_out = channel_mask;
+
+ mtc_calculate_checksum(&pcmd);
+ err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx,
+ SPI_XFER_BEGIN | SPI_XFER_END);
+
+ return err;
+}
+
+static int do_mtc_digin(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ tx_msp_cmd pcmd;
+ rx_msp_cmd prx;
+ int err = 0;
+ uchar channel_num = 0;
+
+ if (argc < 2) {
+ cmd_usage(cmdtp);
+ return -1;
+ }
+
+ channel_num = simple_strtol(argv[1], NULL, 10);
+ if ((channel_num != 1) && (channel_num != 2)) {
+ printf("mtc digin: invalid parameter - must be '1' or '2'\n");
+ return -1;
+ }
+
+ memset(&pcmd, 0, sizeof(pcmd));
+ memset(&prx, 0, sizeof(prx));
+
+ pcmd.cmd = CMD_GET_VIM;
+
+ mtc_calculate_checksum(&pcmd);
+ err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx,
+ SPI_XFER_BEGIN | SPI_XFER_END);
+
+ if (!err) {
+ /* function returns '0' when digin is on */
+ err = (prx.input & channel_num) ? 0 : 1;
+ }
+
+ return err;
+}
+
+static int do_mtc_appreg(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ tx_msp_cmd pcmd;
+ rx_msp_cmd prx;
+ int err;
+ char buf[5];
+
+ /* read appreg */
+ memset(&pcmd, 0, sizeof(pcmd));
+ memset(&prx, 0, sizeof(prx));
+
+ pcmd.cmd = CMD_WD_PARA;
+ pcmd.cmd_val0 = 5; /* max. Count */
+ pcmd.cmd_val1 = 5; /* max. Time */
+ pcmd.cmd_val2 = 0; /* =0 means read appreg */
+
+ mtc_calculate_checksum(&pcmd);
+ err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx,
+ SPI_XFER_BEGIN | SPI_XFER_END);
+ if (!err) {
+ sprintf(buf, "%d", prx.ack2);
+ setenv("appreg", buf);
+ }
+
+ return err;
+}
+
+static int do_mtc_version(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ tx_msp_cmd pcmd;
+ rx_msp_cmd prx;
+ int err = 0;
+
+ memset(&pcmd, 0, sizeof(pcmd));
+ memset(&prx, 0, sizeof(prx));
+
+ pcmd.cmd = CMD_FW_VERSION;
+
+ mtc_calculate_checksum(&pcmd);
+ err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx,
+ SPI_XFER_BEGIN | SPI_XFER_END);
+
+ if (!err) {
+ printf("FW V%d.%d.%d / HW %d\n",
+ prx.ack0, prx.ack1, prx.ack3, prx.ack2);
+ }
+
+ return err;
+}
+
+static int do_mtc_help(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+
+cmd_tbl_t cmd_mtc_sub[] = {
+ U_BOOT_CMD_MKENT(led, 3, 1, do_mtc_led,
+ "set state of leds",
+ "[ledname] [state] [blink]\n"
+ " - lednames: diag can1 can2 can3 can4 usbpwr usbbusy user1 user2\n"
+ " - state: off red green orange\n"
+ " - blink: blink interval in 100ms steps (1 - 10; 0 = static)\n"),
+ U_BOOT_CMD_MKENT(key, 0, 1, do_mtc_key,
+ "returns state of user key\n", ""),
+ U_BOOT_CMD_MKENT(version, 0, 1, do_mtc_version,
+ "returns firmware version of supervisor uC\n", ""),
+ U_BOOT_CMD_MKENT(appreg, 0, 1, do_mtc_appreg,
+ "reads appreg value and stores in environment variable 'appreg'\n", ""),
+ U_BOOT_CMD_MKENT(digin, 1, 1, do_mtc_digin,
+ "returns state of digital input",
+ "<channel_num> - get state of digital input (1 or 2)\n"),
+ U_BOOT_CMD_MKENT(digout, 2, 1, do_mtc_digout,
+ "sets digital outputs",
+ "<on|off> <on|off>- set state of digital output 1 and 2\n"),
+ U_BOOT_CMD_MKENT(help, 4, 1, do_mtc_help, "get help",
+ "[command] - get help for command\n"),
+};
+
+static int do_mtc_help(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ extern int _do_help(cmd_tbl_t *cmd_start, int cmd_items,
+ cmd_tbl_t *cmdtp, int flag,
+ int argc, char *argv[]);
+#ifdef CONFIG_SYS_LONGHELP
+ puts("mtc ");
+#endif
+ return _do_help(&cmd_mtc_sub[0],
+ ARRAY_SIZE(cmd_mtc_sub), cmdtp, flag, argc, argv);
+}
+
+/* Relocate the command table function pointers when running in RAM */
+int mtc_cmd_init_r(void)
+{
+ cmd_tbl_t *cmdtp;
+
+ for (cmdtp = &cmd_mtc_sub[0]; cmdtp !=
+ &cmd_mtc_sub[ARRAY_SIZE(cmd_mtc_sub)]; cmdtp++) {
+ ulong addr;
+
+ addr = (ulong)(cmdtp->cmd) + gd->reloc_off;
+ cmdtp->cmd =
+ (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
+
+ addr = (ulong)(cmdtp->name) + gd->reloc_off;
+ cmdtp->name = (char *)addr;
+
+ if (cmdtp->usage) {
+ addr = (ulong)(cmdtp->usage) + gd->reloc_off;
+ cmdtp->usage = (char *)addr;
+ }
+#ifdef CONFIG_SYS_LONGHELP
+ if (cmdtp->help) {
+ addr = (ulong)(cmdtp->help) + gd->reloc_off;
+ cmdtp->help = (char *)addr;
+ }
+#endif
+ }
+ return 0;
+}
+
+int cmd_mtc(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ cmd_tbl_t *c;
+ int err = 0;
+
+ c = find_cmd_tbl(argv[1], &cmd_mtc_sub[0], ARRAY_SIZE(cmd_mtc_sub));
+ if (c) {
+ argc--;
+ argv++;
+ return c->cmd(c, flag, argc, argv);
+ } else {
+ /* Unrecognized command */
+ cmd_usage(cmdtp);
+ return 1;
+ }
+
+ return err;
+}
+
+U_BOOT_CMD(mtc, 5, 1, cmd_mtc,
+ "mtc - special commands for digsyMTC\n",
+ "[subcommand] [args...]\n"
+ "Subcommands list:\n"
+ "led [ledname] [state] [blink] - set state of leds\n"
+ " [ledname]: diag can1 can2 can3 can4 usbpwr usbbusy user1 user2\n"
+ " [state]: off red green orange\n"
+ " [blink]: blink interval in 100ms steps (1 - 10; 0 = static)\n"
+ "key - returns state of user key\n"
+ "version - returns firmware version of supervisor uC\n"
+ "appreg - reads appreg value and stores in environment variable"
+ " 'appreg'\n"
+ "digin [channel] - returns state of digital input (1 or 2)\n"
+ "digout <on|off> <on|off> - sets state of two digital outputs\n"
+ "help [subcommand] - get help for subcommand\n");
+
diff --git a/board/digsy_mtc/cmd_mtc.h b/board/digsy_mtc/cmd_mtc.h
new file mode 100644
index 0000000..db3aeed
--- /dev/null
+++ b/board/digsy_mtc/cmd_mtc.h
@@ -0,0 +1,60 @@
+/*
+ * (C) Copyright 2009
+ * Werner Pfister <Pfister_Werner@intercontrol.de>
+ *
+ * (C) Copyright 2009 Semihalf, Grzegorz Bernacki
+ *
+ * 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
+ */
+
+#ifndef CMD_MTC_H
+#define CMD_MTC_H
+
+#define CMD_WD_PARA 0x02
+#define CMD_FW_VERSION 0x10
+#define CMD_GET_VIM 0x30
+#define CMD_SET_LED 0x40
+
+typedef struct {
+ u8 cmd;
+ u8 sys_in;
+ u8 cmd_val0;
+ u8 cmd_val1;
+ u8 cmd_val2;
+ u8 user_out;
+ u8 cks;
+ u8 dummy1;
+ u8 dummy2;
+} tx_msp_cmd;
+
+typedef struct {
+ u8 input;
+ u8 state;
+ u8 ack2;
+ u8 ack3;
+ u8 ack0;
+ u8 ack1;
+ u8 ack;
+ u8 dummy;
+ u8 cks;
+} rx_msp_cmd;
+
+#define MTC_TRANSFER_SIZE (sizeof(tx_msp_cmd) * 8)
+
+#endif
diff --git a/board/digsy_mtc/digsy_mtc.c b/board/digsy_mtc/digsy_mtc.c
index 83d5864..9d77e54 100644
--- a/board/digsy_mtc/digsy_mtc.c
+++ b/board/digsy_mtc/digsy_mtc.c
@@ -186,6 +186,9 @@ int checkboard(void)
int board_early_init_r(void)
{
+#ifdef CONFIG_MPC52XX_SPI
+ struct mpc5xxx_gpt *gpt = (struct mpc5xxx_gpt*)MPC5XXX_GPT;
+#endif
/*
* Now, when we are in RAM, enable flash write access for detection
* process. Note that CS_BOOT cannot be cleared when executing in
@@ -202,6 +205,13 @@ int board_early_init_r(void)
/* Low level USB init, required for proper kernel operation */
usb_cpu_init();
#endif
+#ifdef CONFIG_MPC52XX_SPI
+ /* GPT 6 Output Enable */
+ out_be32(&gpt[6].emsr, 0x00000034);
+ /* GPT 7 Output Enable */
+ out_be32(&gpt[7].emsr, 0x00000034);
+#endif
+
return (0);
}
@@ -230,6 +240,7 @@ void board_get_enetaddr (uchar * enet)
int misc_init_r(void)
{
+ extern int mtc_cmd_init_r (void);
uchar enetaddr[6];
if (!eth_getenv_enetaddr("ethaddr", enetaddr)) {
@@ -237,6 +248,7 @@ int misc_init_r(void)
eth_setenv_enetaddr("ethaddr", enetaddr);
}
+ mtc_cmd_init_r();
return 0;
}
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index 1350f3e..1272c17 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -28,6 +28,7 @@ LIB := $(obj)libspi.a
COBJS-$(CONFIG_ATMEL_DATAFLASH_SPI) += atmel_dataflash_spi.o
COBJS-$(CONFIG_ATMEL_SPI) += atmel_spi.o
COBJS-$(CONFIG_BFIN_SPI) += bfin_spi.o
+COBJS-$(CONFIG_MPC52XX_SPI) += mpc52xx_spi.o
COBJS-$(CONFIG_MPC8XXX_SPI) += mpc8xxx_spi.o
COBJS-$(CONFIG_MXC_SPI) += mxc_spi.o
COBJS-$(CONFIG_SOFT_SPI) += soft_spi.o
diff --git a/drivers/spi/mpc52xx_spi.c b/drivers/spi/mpc52xx_spi.c
new file mode 100644
index 0000000..3e96b3f
--- /dev/null
+++ b/drivers/spi/mpc52xx_spi.c
@@ -0,0 +1,109 @@
+/*
+ * (C) Copyright 2009
+ * Frank Bodammer <frank.bodammer@gcd-solutions.de>
+ * (C) Copyright 2009 Semihalf, Grzegorz Bernacki
+ *
+ * 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/io.h>
+#include <malloc.h>
+#include <spi.h>
+#include <mpc5xxx.h>
+
+void spi_init(void)
+{
+ struct mpc5xxx_spi *spi = (struct mpc5xxx_spi *)MPC5XXX_SPI;
+ /*
+ * Its important to use the correct order when initializing the
+ * registers
+ */
+ out_8(&spi->ddr, 0x0F); /* set all SPI pins as output */
+ out_8(&spi->pdr, 0x00); /* set SS low */
+ /* SPI is master, SS is general purpose output */
+ out_8(&spi->cr1, SPI_CR_MSTR | SPI_CR_SPE);
+ out_8(&spi->cr2, 0x00); /* normal operation */
+ out_8(&spi->brr, 0x77); /* baud rate: IPB clock / 2048 */
+}
+
+struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
+ unsigned int max_hz, unsigned int mode)
+{
+ struct spi_slave *slave;
+
+ slave = malloc(sizeof(struct spi_slave));
+ if (!slave)
+ return NULL;
+
+ slave->bus = bus;
+ slave->cs = cs;
+
+ return slave;
+}
+
+void spi_free_slave(struct spi_slave *slave)
+{
+ free(slave);
+}
+
+int spi_claim_bus(struct spi_slave *slave)
+{
+ return 0;
+}
+
+void spi_release_bus(struct spi_slave *slave)
+{
+ return;
+}
+
+int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
+ void *din, unsigned long flags)
+{
+ struct mpc5xxx_spi *spi = (struct mpc5xxx_spi *)MPC5XXX_SPI;
+ int i, iter = bitlen >> 3;
+ const uchar *txp = dout;
+ uchar *rxp = din;
+
+ debug("spi_xfer: slave %u:%u dout %08X din %08X bitlen %u\n",
+ slave->bus, slave->cs, *(uint *) dout, *(uint *) din, bitlen);
+
+ if (flags & SPI_XFER_BEGIN)
+ setbits_8(&spi->pdr, SPI_PDR_SS);
+
+ for (i = 0; i < iter; i++) {
+ udelay(1000);
+ debug("spi_xfer: sending %x\n", txp[i]);
+ out_8(&spi->dr, txp[i]);
+ while (!(in_8(&spi->sr) & SPI_SR_SPIF)) {
+ udelay(1000);
+ if (in_8(&spi->sr) & SPI_SR_WCOL) {
+ rxp[i] = in_8(&spi->dr);
+ puts("spi_xfer: write collision\n");
+ return -1;
+ }
+ }
+ rxp[i] = in_8(&spi->dr);
+ debug("spi_xfer: received %x\n", rxp[i]);
+ }
+ if (flags & SPI_XFER_END)
+ clrbits_8(&spi->pdr, SPI_PDR_SS);
+
+ return 0;
+}
diff --git a/include/configs/digsy_mtc.h b/include/configs/digsy_mtc.h
index 66badd7..558010f 100644
--- a/include/configs/digsy_mtc.h
+++ b/include/configs/digsy_mtc.h
@@ -100,6 +100,7 @@
#define CONFIG_CMD_PING
#define CONFIG_CMD_REGINFO
#define CONFIG_CMD_SAVES
+#define CONFIG_CMD_SPI
#define CONFIG_CMD_USB
#if (TEXT_BASE == 0xFF000000)
@@ -137,6 +138,12 @@
""
/*
+ * SPI configuration
+ */
+#define CONFIG_HARD_SPI 1
+#define CONFIG_MPC52XX_SPI 1
+
+/*
* I2C configuration
*/
#define CONFIG_HARD_I2C 1
@@ -241,6 +248,22 @@
/*
* GPIO configuration
+ * use pin gpio_wkup_6 as second SDRAM chip select (mem_cs1)
+ * Bit 0 (mask 0x80000000) : 0x1
+ * SPI on Tmr2/3/4/5 pins
+ * Bit 2:3 (mask 0x30000000) : 0x2
+ * ATA cs0/1 on csb_4/5
+ * Bit 6:7 (mask 0x03000000) : 0x2
+ * Ethernet 100Mbit with MD
+ * Bits 12:15 (mask 0x000f0000): 0x5
+ * USB - Two UARTs
+ * Bits 18:19 (mask 0x00003000) : 0x2
+ * PSC3 - USB2 on PSC3
+ * Bits 20:23 (mask 0x00000f00) : 0x1
+ * PSC2 - CAN1&2 on PSC2 pins
+ * Bits 25:27 (mask 0x00000070) : 0x1
+ * PSC1 - AC97 functionality
+ * Bits 29:31 (mask 0x00000007) : 0x2
*/
#define CONFIG_SYS_GPS_PORT_CONFIG 0xA2552112
diff --git a/include/mpc5xxx.h b/include/mpc5xxx.h
index 463d5ae..476d149 100644
--- a/include/mpc5xxx.h
+++ b/include/mpc5xxx.h
@@ -392,6 +392,24 @@
#define I2C_IF 0x02
#define I2C_RXAK 0x01
+/* SPI control register 1 bits */
+#define SPI_CR_LSBFE 0x01
+#define SPI_CR_SSOE 0x02
+#define SPI_CR_CPHA 0x04
+#define SPI_CR_CPOL 0x08
+#define SPI_CR_MSTR 0x10
+#define SPI_CR_SWOM 0x20
+#define SPI_CR_SPE 0x40
+#define SPI_CR_SPIE 0x80
+
+/* SPI status register bits */
+#define SPI_SR_MODF 0x10
+#define SPI_SR_WCOL 0x40
+#define SPI_SR_SPIF 0x80
+
+/* SPI port data register bits */
+#define SPI_PDR_SS 0x08
+
/* Programmable Serial Controller (PSC) status register bits */
#define PSC_SR_CDE 0x0080
#define PSC_SR_RXRDY 0x0100