#endif
+#define DISP_LINE_LEN 16
+
+/* implement possible board specific board init */
+void __def_i2c_init_board(void)
+{
+ return;
+}
+void i2c_init_board(void)
+ __attribute__((weak, alias("__def_i2c_init_board")));
+
/* TODO: Implement architecture-specific get/set functions */
unsigned int __def_i2c_get_bus_speed(void)
{
__attribute__((weak, alias("__def_i2c_set_bus_speed")));
/*
- * Syntax:
- * i2c md {i2c_chip} {addr}{.0, .1, .2} {len}
+ * get_alen: small parser helper function to get address length
+ * returns the address length
*/
-#define DISP_LINE_LEN 16
+static uint get_alen(char *arg)
+{
+ int j;
+ int alen;
+
+ alen = 1;
+ for (j = 0; j < 8; j++) {
+ if (arg[j] == '.') {
+ alen = arg[j+1] - '0';
+ break;
+ } else if (arg[j] == '\0')
+ break;
+ }
+ return alen;
+}
/*
* Syntax:
* i2c read {i2c_chip} {devaddr}{.0, .1, .2} {len} {memaddr}
*/
-static int do_i2c_read ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+static int do_i2c_read ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
u_char chip;
uint devaddr, alen, length;
u_char *memaddr;
- int j;
- if (argc != 5) {
- cmd_usage(cmdtp);
- return 1;
- }
+ if (argc != 5)
+ return cmd_usage(cmdtp);
/*
* I2C chip address
* 2 bytes long. Some day it might be 3 bytes long :-).
*/
devaddr = simple_strtoul(argv[2], NULL, 16);
- alen = 1;
- for (j = 0; j < 8; j++) {
- if (argv[2][j] == '.') {
- alen = argv[2][j+1] - '0';
- if (alen > 3) {
- cmd_usage(cmdtp);
- return 1;
- }
- break;
- } else if (argv[2][j] == '\0')
- break;
- }
+ alen = get_alen(argv[2]);
+ if (alen > 3)
+ return cmd_usage(cmdtp);
/*
* Length is the number of objects, not number of bytes.
return 0;
}
-static int do_i2c_md ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+/*
+ * Syntax:
+ * i2c md {i2c_chip} {addr}{.0, .1, .2} {len}
+ */
+static int do_i2c_md ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
u_char chip;
uint addr, alen, length;
alen = i2c_dp_last_alen;
length = i2c_dp_last_length;
- if (argc < 3) {
- cmd_usage(cmdtp);
- return 1;
- }
+ if (argc < 3)
+ return cmd_usage(cmdtp);
if ((flag & CMD_FLAG_REPEAT) == 0) {
/*
* New command specified.
*/
- alen = 1;
/*
* I2C chip address
* 2 bytes long. Some day it might be 3 bytes long :-).
*/
addr = simple_strtoul(argv[2], NULL, 16);
- alen = 1;
- for (j = 0; j < 8; j++) {
- if (argv[2][j] == '.') {
- alen = argv[2][j+1] - '0';
- if (alen > 3) {
- cmd_usage(cmdtp);
- return 1;
- }
- break;
- } else if (argv[2][j] == '\0')
- break;
- }
+ alen = get_alen(argv[2]);
+ if (alen > 3)
+ return cmd_usage(cmdtp);
/*
* If another parameter, it is the length to display.
* Syntax:
* i2c mw {i2c_chip} {addr}{.0, .1, .2} {data} [{count}]
*/
-static int do_i2c_mw ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+static int do_i2c_mw ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
uchar chip;
ulong addr;
uint alen;
uchar byte;
int count;
- int j;
- if ((argc < 4) || (argc > 5)) {
- cmd_usage(cmdtp);
- return 1;
- }
+ if ((argc < 4) || (argc > 5))
+ return cmd_usage(cmdtp);
/*
* Chip is always specified.
* Address is always specified.
*/
addr = simple_strtoul(argv[2], NULL, 16);
- alen = 1;
- for (j = 0; j < 8; j++) {
- if (argv[2][j] == '.') {
- alen = argv[2][j+1] - '0';
- if (alen > 3) {
- cmd_usage(cmdtp);
- return 1;
- }
- break;
- } else if (argv[2][j] == '\0')
- break;
- }
+ alen = get_alen(argv[2]);
+ if (alen > 3)
+ return cmd_usage(cmdtp);
/*
* Value to write is always specified.
* Syntax:
* i2c crc32 {i2c_chip} {addr}{.0, .1, .2} {count}
*/
-static int do_i2c_crc (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+static int do_i2c_crc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
uchar chip;
ulong addr;
uchar byte;
ulong crc;
ulong err;
- int j;
- if (argc < 4) {
- cmd_usage(cmdtp);
- return 1;
- }
+ if (argc < 4)
+ return cmd_usage(cmdtp);
/*
* Chip is always specified.
* Address is always specified.
*/
addr = simple_strtoul(argv[2], NULL, 16);
- alen = 1;
- for (j = 0; j < 8; j++) {
- if (argv[2][j] == '.') {
- alen = argv[2][j+1] - '0';
- if (alen > 3) {
- cmd_usage(cmdtp);
- return 1;
- }
- break;
- } else if (argv[2][j] == '\0')
- break;
- }
+ alen = get_alen(argv[2]);
+ if (alen > 3)
+ return cmd_usage(cmdtp);
/*
* Count is always specified
*/
static int
-mod_i2c_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char *argv[])
+mod_i2c_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char * const argv[])
{
uchar chip;
ulong addr;
ulong data;
int size = 1;
int nbytes;
- int j;
extern char console_buffer[];
- if (argc != 3) {
- cmd_usage(cmdtp);
- return 1;
- }
+ if (argc != 3)
+ return cmd_usage(cmdtp);
#ifdef CONFIG_BOOT_RETRY_TIME
reset_cmd_timeout(); /* got a good command to get here */
* Address is always specified.
*/
addr = simple_strtoul(argv[2], NULL, 16);
- alen = 1;
- for (j = 0; j < 8; j++) {
- if (argv[2][j] == '.') {
- alen = argv[2][j+1] - '0';
- if (alen > 3) {
- cmd_usage(cmdtp);
- return 1;
- }
- break;
- } else if (argv[2][j] == '\0')
- break;
- }
+ alen = get_alen(argv[2]);
+ if (alen > 3)
+ return cmd_usage(cmdtp);
}
/*
* Syntax:
* i2c probe {addr}{.0, .1, .2}
*/
-static int do_i2c_probe (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+static int do_i2c_probe (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int j;
#if defined(CONFIG_SYS_I2C_NOPROBES)
* {length} - Number of bytes to read
* {delay} - A DECIMAL number and defaults to 1000 uSec
*/
-static int do_i2c_loop(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+static int do_i2c_loop(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
u_char chip;
ulong alen;
uint length;
u_char bytes[16];
int delay;
- int j;
- if (argc < 3) {
- cmd_usage(cmdtp);
- return 1;
- }
+ if (argc < 3)
+ return cmd_usage(cmdtp);
/*
* Chip is always specified.
* Address is always specified.
*/
addr = simple_strtoul(argv[2], NULL, 16);
- alen = 1;
- for (j = 0; j < 8; j++) {
- if (argv[2][j] == '.') {
- alen = argv[2][j+1] - '0';
- if (alen > 3) {
- cmd_usage(cmdtp);
- return 1;
- }
- break;
- } else if (argv[2][j] == '\0')
- break;
- }
+ alen = get_alen(argv[2]);
+ if (alen > 3)
+ return cmd_usage(cmdtp);
/*
* Length is the number of objects, not number of bytes.
* Syntax:
* i2c sdram {i2c_chip}
*/
-static int do_sdram (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+static int do_sdram (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
{
enum { unknown, EDO, SDRAM, DDR2 } type;
"32 MiB", "16 MiB", "8 MiB", "4 MiB"
};
- if (argc < 2) {
- cmd_usage(cmdtp);
- return 1;
- }
+ if (argc < 2)
+ return cmd_usage(cmdtp);
+
/*
* Chip is always specified.
*/
#endif
#if defined(CONFIG_I2C_MUX)
-static int do_i2c_add_bus(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+static int do_i2c_add_bus(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
{
int ret=0;
#endif /* CONFIG_I2C_MUX */
#if defined(CONFIG_I2C_MULTI_BUS)
-static int do_i2c_bus_num(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+static int do_i2c_bus_num(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
{
int bus_idx, ret=0;
}
#endif /* CONFIG_I2C_MULTI_BUS */
-static int do_i2c_bus_speed(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+static int do_i2c_bus_speed(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
{
int speed, ret=0;
return ret;
}
-static int do_i2c_mm(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+static int do_i2c_mm(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
{
return mod_i2c_mem (cmdtp, 1, flag, argc, argv);
}
-static int do_i2c_nm(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+static int do_i2c_nm(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
{
return mod_i2c_mem (cmdtp, 0, flag, argc, argv);
}
-static int do_i2c_reset(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+static int do_i2c_reset(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
{
i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
return 0;
U_BOOT_CMD_MKENT(speed, 1, 1, do_i2c_bus_speed, "", ""),
};
-static int do_i2c(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+#ifdef CONFIG_NEEDS_MANUAL_RELOC
+void i2c_reloc(void) {
+ fixup_cmdtable(cmd_i2c_sub, ARRAY_SIZE(cmd_i2c_sub));
+}
+#endif
+
+static int do_i2c(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
{
cmd_tbl_t *c;
+ if (argc < 2)
+ return cmd_usage(cmdtp);
+
/* Strip off leading 'i2c' command argument */
argc--;
argv++;
c = find_cmd_tbl(argv[0], &cmd_i2c_sub[0], ARRAY_SIZE(cmd_i2c_sub));
- if (c) {
+ if (c)
return c->cmd(cmdtp, flag, argc, argv);
- } else {
- cmd_usage(cmdtp);
- return 1;
- }
+ else
+ return cmd_usage(cmdtp);
}
/***************************************************/
);
#if defined(CONFIG_I2C_MUX)
-int i2c_mux_add_device(I2C_MUX_DEVICE *dev)
+static int i2c_mux_add_device(I2C_MUX_DEVICE *dev)
{
I2C_MUX_DEVICE *devtmp = i2c_mux_devices;
return tmp;
}
-/* Analyses a Muxstring and sends immediately the
- Commands to the Muxes. Runs from Flash.
+/* Analyses a Muxstring and immediately sends the
+ commands to the muxes. Runs from flash.
*/
int i2c_mux_ident_muxstring_f (uchar *buf)
{
mux = dev->mux;
while (mux != NULL) {
+ /* do deblocking on each level of mux, before mux config */
+ i2c_init_board();
if (i2c_write(mux->chip, 0, 0, &mux->channel, 1) != 0) {
printf ("Error setting Mux: chip:%x channel: \
%x\n", mux->chip, mux->channel);
}
mux = mux->next;
}
+ /* do deblocking on each level of mux and after mux config */
+ i2c_init_board();
return 0;
}
#endif /* CONFIG_I2C_MUX */
projects / karo-tx-uboot.git / blobdiff