FIX: [uboot] change findings from rs regarding shield

SVN commit 24938@trunk
This commit is contained in:
Stefan Eichenberger 2017-09-04 15:17:51 +00:00 committed by Moritz Rosenthal
parent 1e663e39f5
commit f702243ee9
6 changed files with 117 additions and 106 deletions

View File

@ -22,7 +22,7 @@
#include <i2c.h>
#include <malloc.h>
#include "bdparser.h" /* tlv parser */
#include "bdparser.h" /* tlv parser */
#define MAX_PARTITION_ENTRIES 4
@ -36,7 +36,7 @@ void bd_register_context_list(const BD_Context *list, size_t count) {
int bd_get_context(BD_Context *bdctx, uint32_t i2caddress, uint32_t offset)
{
bd_bool_t rc;
bd_bool_t rc;
uint8_t bdHeader[8];
void* pBdData = NULL;
/* Read header bytes from beginning of EEPROM */
@ -242,12 +242,12 @@ int bd_get_devicetree(char* devicetreename, size_t len)
int bd_get_shield(int shieldnr)
{
bd_uint16_t shield = 0;
bd_uint16_t shield = 0;
if (!_get_uint16(PD_Shield, shieldnr, &shield) ) {
debug("%s() no shield populated\n", __func__);
return -1;
}
return -1;
}
return shield;
}

View File

@ -42,6 +42,7 @@
DECLARE_GLOBAL_DATA_PTR;
/* GPIO that controls power to DDR on EVM-SK */
#define GPIO_TO_PIN(bank, gpio) (32 * (bank) + (gpio))
#define GPIO_DDR_VTT_EN GPIO_TO_PIN(0, 7)
#define ICE_GPIO_DDR_VTT_EN GPIO_TO_PIN(0, 18)
#define GPIO_PR1_MII_CTRL GPIO_TO_PIN(3, 4)

View File

@ -96,7 +96,7 @@ static int _bd_init(void)
}
bd_register_context_list(bdctx, ARRAY_SIZE(bdctx));
return 0;
return 0;
}
/*
@ -104,7 +104,7 @@ static int _bd_init(void)
*/
static inline int __maybe_unused read_eeprom(void)
{
return _bd_init();
return _bd_init();
}
struct serial_device *default_serial_console(void)
@ -520,89 +520,96 @@ static void check_fct(void)
static void set_fdtshieldcmd(const char *fdt_cmd)
{
setenv("fdtshieldcmd", fdt_cmd);
setenv("fdtshieldcmd", fdt_cmd);
}
struct shield_command {
int shield_id;
const char *default_shieldcmd;
const char *fdtshieldcmd;
int shield_id;
const char *name;
const char *default_shieldcmd;
const char *fdtshieldcmd;
};
#define SHIELD_COM_IO 0
#define SHIELD_DUALCAN 1
static struct shield_command known_shield_commands[] = {
{
SHIELD_COM_IO,
"shield comio mode rs232",
"fdt get value serial0 /aliases serial0;" \
"fdt set $serial0 status okay"
},
{
SHIELD_DUALCAN,
"shield dualcan termination off off",
"fdt get value can0 /aliases d_can0;" \
"fdt get value can1 /aliases d_can1;" \
"fdt set $can0 status okay;" \
"fdt set $can1 status okay;" \
},
{
SHIELD_COM_IO,
"comio",
"shield comio mode rs232",
"fdt get value serial0 /aliases serial0;" \
"fdt set $serial0 status okay"
},
{
SHIELD_DUALCAN,
"dualcan",
"shield dualcan termination off off",
"fdt get value can0 /aliases d_can0;" \
"fdt get value can1 /aliases d_can1;" \
"fdt set $can0 status okay;" \
"fdt set $can1 status okay;" \
},
};
static const struct shield_command* get_shield_command(int shield_id)
{
int i;
int i;
for (i = 0; i < ARRAY_SIZE(known_shield_commands); i++) {
if (known_shield_commands[i].shield_id == shield_id) {
return &known_shield_commands[i];
}
}
for (i = 0; i < ARRAY_SIZE(known_shield_commands); i++) {
if (known_shield_commands[i].shield_id == shield_id) {
return &known_shield_commands[i];
}
}
return NULL;
return NULL;
}
static void shield_config(void)
{
#define MAX_SHIELD_CMD_LEN 128
char shieldcmd_linux[MAX_SHIELD_CMD_LEN];
const char *shieldcmd;
const struct shield_command *cmd;
int len;
char shieldcmd_linux[MAX_SHIELD_CMD_LEN];
const char *shieldcmd;
const struct shield_command *cmd;
int len;
int shield_id = bd_get_shield(0);
if (shield_id < 0) {
printf("No shield found in bd\n");
return;
}
int shield_id = bd_get_shield(0);
if (shield_id < 0) {
debug("No shield found in bd\n");
return;
}
cmd = get_shield_command(shield_id);
if (cmd == NULL) {
printf ("Unknown shield id %d\n", shield_id);
return;
}
cmd = get_shield_command(shield_id);
if (cmd == NULL) {
printf ("Unknown shield id %d\n", shield_id);
return;
}
shieldcmd = cmd->default_shieldcmd;
printf("Shield found: %s\n", cmd->name);
/* If a shield configuration set by linux take it without bd check, we asume that Linux knows
* what to do. */
len = read_file("/root/boot/shieldcmd", shieldcmd_linux, MAX_SHIELD_CMD_LEN);
if (len > 0) {
puts("Shield command found in file, using it\n");
shieldcmd = shieldcmd_linux;
}
shieldcmd = cmd->default_shieldcmd;
setenv("shieldcmd", shieldcmd);
/* If a shield configuration set by linux take it without bd check, we asume that Linux knows
* what to do. */
len = read_file("/root/boot/shieldcmd", shieldcmd_linux, MAX_SHIELD_CMD_LEN);
if (len > 0) {
debug("Shield command found in file, using it\n");
shieldcmd = shieldcmd_linux;
}
set_fdtshieldcmd(cmd->fdtshieldcmd);
printf("Shield command: %s\n", shieldcmd);
setenv("shieldcmd", shieldcmd);
set_fdtshieldcmd(cmd->fdtshieldcmd);
}
static void shield_init(void)
{
can_shield_init();
comio_shield_init();
can_shield_init();
comio_shield_init();
shield_config();
shield_config();
}
#endif
@ -642,7 +649,7 @@ int board_late_init(void)
enable_wlan_clock();
#if !defined(CONFIG_SPL_BUILD)
shield_init();
shield_init();
check_fct();

View File

@ -1,4 +1,4 @@
#define DEBUG
#undef DEBUG
#include <common.h>
#include <asm/gpio.h>
@ -34,32 +34,31 @@ int shield_gpio_request_as_input(unsigned int gpio, const char *label)
void shield_register(struct shield_t *shield)
{
if (shield_count >= MAX_SHIELDS) {
printf("Max shield count reached (%d), please increment MAX_SHIELDS\n", MAX_SHIELDS);
return;
}
shields[shield_count++] = shield;
if (shield_count >= MAX_SHIELDS) {
printf("Max shield count reached (%d), please increment MAX_SHIELDS\n", MAX_SHIELDS);
return;
}
shields[shield_count++] = shield;
}
int shield_set_mode(const char* shield_type, int argc, char * const argv[])
{
int i;
int i;
for (i = 0; i < shield_count; i++) {
if (strcmp(shield_type, shields[i]->name) == 0) {
return shields[i]->setmode(argv, argc);
}
}
printf("Shield %s is unknown\n", shield_type);
return -1;
for (i = 0; i < shield_count; i++) {
if (strcmp(shield_type, shields[i]->name) == 0) {
return shields[i]->setmode(argv, argc);
}
}
printf("Shield %s is unknown\n", shield_type);
return -1;
}
static int do_shieldmode(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
if (argc < 3) {
puts("Invalid command (see help)\n");
if (argc < 3) {
return -1;
}
}
return shield_set_mode(argv[1], argc - 2, &argv[2]);
}

View File

@ -1,4 +1,4 @@
#define DEBUG
#undef DEBUG
#include <common.h>
#include <asm/gpio.h>
@ -37,7 +37,7 @@ static int request_gpios(void)
{
int ret;
debug("Shiled configure gpios\n");
debug("Shield configure gpios\n");
ret = shield_gpio_request_as_input(NETBIRD_GPIO_RST_SHIELD_N, "shield-rst");
if ((ret < 0))
return -1;
@ -57,12 +57,12 @@ static int request_gpios(void)
static int configure_shieldmode(int mode)
{
int ret;
int ret;
if (mode < 0 || mode > 3) {
printf("Invalid shield mode %d\n", mode);
return -1;
}
if (mode < 0 || mode > 3) {
debug("Invalid shield mode %d\n", mode);
return -1;
}
debug("Shield type dualcan\n");
debug ("Set shield mode to %d\n", mode);
@ -144,8 +144,8 @@ static int get_termination(const char* termination)
return 0;
}
printf ("Invalid termination mode %s (falling back to off)", termination);
return 0;
debug ("Invalid termination mode %s (falling back to off)", termination);
return -1;
}
static int get_mode_from_args(char * const argv[], int argc)
@ -157,12 +157,15 @@ static int get_mode_from_args(char * const argv[], int argc)
assert(argc == (CAN_PORTS + 1));
if (strcmp ("termination", argv[0])) {
puts("The only option for dualcan is terminations\n");
debug("The only option for dualcan is terminations\n");
return -1;
}
for (i = 0; i < CAN_PORTS; i ++) {
terminations[i] = get_termination(argv[i + 1]);
if (terminations[i] < 0) {
return -1;
}
}
/* Termination is inverse */
@ -172,12 +175,11 @@ static int get_mode_from_args(char * const argv[], int argc)
static int set_shieldmode(char * const argv[], int argc)
{
if (argc != 3) {
puts("Too few arguments for dualcan\n");
debug("Too few arguments for dualcan\n");
return -1;
}
configure_shieldmode(get_mode_from_args(argv, argc));
return 0;
return configure_shieldmode(get_mode_from_args(argv, argc));
}
struct shield_t can_shield = {

View File

@ -1,4 +1,4 @@
/* #define DEBUG */
#undef DEBUG
#include <common.h>
#include <asm/gpio.h>
@ -55,12 +55,12 @@ static int request_gpios(void)
static int configure_shieldmode(int mode)
{
int ret;
int ret;
if (mode < 0 || mode > 3) {
printf("Invalid shield mode %d\n", mode);
return -1;
}
if (mode < 0 || mode > 3) {
debug ("Invalid shield mode %d\n", mode);
return -1;
}
debug("Shield type comio\n");
debug ("Set shield mode to %d\n", mode);
@ -138,7 +138,6 @@ static int configure_shieldmode(int mode)
}
return 0;
}
static int get_rs232(const char *mode)
@ -160,8 +159,8 @@ static int get_termination(const char* termination)
return 0;
}
printf ("Invalid termination mode %s (falling back to off)", termination);
return 0;
debug ("Invalid termination mode %s (falling back to off)", termination);
return -1;
}
static int get_mode_from_args(char * const argv[], int argc)
@ -169,10 +168,10 @@ static int get_mode_from_args(char * const argv[], int argc)
int termination = 0;
int rs232 = 0;
assert(argc >= 2);
assert(argc >= 2);
if (strcmp ("mode", argv[0])) {
puts("Invalid arguments (see help)\n");
debug("Invalid arguments (see help)\n");
return -1;
}
@ -180,10 +179,14 @@ static int get_mode_from_args(char * const argv[], int argc)
if (argc > 2) {
if (rs232 || strcmp("termination", argv[2])) {
puts("Invalid arguments, do not configure termination\n");
debug("Invalid arguments, do not configure termination\n");
return -1;
}
else {
termination = get_termination(argv[3]);
if (termination < 0) {
return -1;
}
}
}
@ -194,13 +197,12 @@ static int get_mode_from_args(char * const argv[], int argc)
int set_shieldmode(char * const argv[], int argc)
{
if (argc < 2) {
puts("Too few arguments for comio\n");
debug("Too few arguments for comio\n");
return -1;
}
configure_shieldmode(get_mode_from_args(argv, argc));
return 0;
/* -1 will make configure_shieldmode to faile and is okay therefore */
return configure_shieldmode(get_mode_from_args(argv, argc));
}
struct shield_t comio_shield = {