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mpc5200: suppress printf until console initialized

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On boards which have the environment in eeprom, i2c_init() is called
before the console and RAM are initialized.
Suppress printfs until the console is initialized.

Signed-off-by: Jon Smirl <jonsmirl@gmail.com>
Acked-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Jon Smirl 2009-03-22 22:55:45 -04:00 committed by Wolfgang Denk
parent 2c5bd16af1
commit 33e88c557b
1 changed files with 20 additions and 10 deletions
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30
cpu/mpc5xxx/i2c.c
View File

@ -269,7 +269,8 @@ static int mpc_get_fdr(int speed)
if (gd->flags & GD_FLG_RELOC) {
fdr = divider;
} else {
printf("%ld kHz, ", best_speed / 1000);
if (gd->have_console)
printf("%ld kHz, ", best_speed / 1000);
return divider;
}
}
@ -310,29 +311,34 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len)
xaddr[3] = addr & 0xFF;
if (wait_for_bb()) {
printf("i2c_read: bus is busy\n");
if (gd->have_console)
printf("i2c_read: bus is busy\n");
goto Done;
}
mpc_reg_out(&regs->mcr, I2C_STA, I2C_STA);
if (do_address(chip, 0)) {
printf("i2c_read: failed to address chip\n");
if (gd->have_console)
printf("i2c_read: failed to address chip\n");
goto Done;
}
if (send_bytes(chip, &xaddr[4-alen], alen)) {
printf("i2c_read: send_bytes failed\n");
if (gd->have_console)
printf("i2c_read: send_bytes failed\n");
goto Done;
}
mpc_reg_out(&regs->mcr, I2C_RSTA, I2C_RSTA);
if (do_address(chip, 1)) {
printf("i2c_read: failed to address chip\n");
if (gd->have_console)
printf("i2c_read: failed to address chip\n");
goto Done;
}
if (receive_bytes(chip, (char *)buf, len)) {
printf("i2c_read: receive_bytes failed\n");
if (gd->have_console)
printf("i2c_read: receive_bytes failed\n");
goto Done;
}
@ -354,23 +360,27 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buf, int len)
xaddr[3] = addr & 0xFF;
if (wait_for_bb()) {
printf("i2c_write: bus is busy\n");
if (gd->have_console)
printf("i2c_write: bus is busy\n");
goto Done;
}
mpc_reg_out(&regs->mcr, I2C_STA, I2C_STA);
if (do_address(chip, 0)) {
printf("i2c_write: failed to address chip\n");
if (gd->have_console)
printf("i2c_write: failed to address chip\n");
goto Done;
}
if (send_bytes(chip, &xaddr[4-alen], alen)) {
printf("i2c_write: send_bytes failed\n");
if (gd->have_console)
printf("i2c_write: send_bytes failed\n");
goto Done;
}
if (send_bytes(chip, (char *)buf, len)) {
printf("i2c_write: send_bytes failed\n");
if (gd->have_console)
printf("i2c_write: send_bytes failed\n");
goto Done;
}