Merge branch 'master' of git://git.denx.de/u-boot-mpc5xxx

This commit is contained in:
Wolfgang Denk 2009-07-07 21:06:07 +02:00
commit bec9cab929
8 changed files with 574 additions and 1 deletions

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@ -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))

350
board/digsy_mtc/cmd_mtc.c Normal file
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@ -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");

60
board/digsy_mtc/cmd_mtc.h Normal file
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@ -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

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@ -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;
}

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@ -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

109
drivers/spi/mpc52xx_spi.c Normal file
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@ -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;
}

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@ -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)
@ -136,6 +137,12 @@
"protect on FFF00000 +${filesize}\0" \
""
/*
* SPI configuration
*/
#define CONFIG_HARD_SPI 1
#define CONFIG_MPC52XX_SPI 1
/*
* I2C configuration
*/
@ -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

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@ -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