mpc5200: suppress printf until console initialized

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>

diff --git a/cpu/mpc5xxx/i2c.c b/cpu/mpc5xxx/i2c.c
index 7d76274..e2506d8 100644 (file)
--- a/cpu/mpc5xxx/i2c.c
+++ b/cpu/mpc5xxx/i2c.c
@@ -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;
        }