brcm47xx: swap also early boot console if necessary.

Some devices are using tty1 as the default console, also swap the early
boot console in such case. This is needed for the WGT634U.

Thank you Russell for reporting this.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 38794

target/linux/brcm47xx/patches-3.10/082-MIPS-BCM47XX-add-EARLY_PRINTK_8250-support.patch

@@ -51,3 +51,50 @@ Date:   Thu Sep 19 22:48:35 2013 +0200
  }
  
  void __init prom_free_prom_memory(void)
+--- a/arch/mips/bcm47xx/setup.c
++++ b/arch/mips/bcm47xx/setup.c
+@@ -123,6 +123,28 @@ static int bcm47xx_get_invariants(struct
+ 	return 0;
+ }
+ 
++/*
++ * This is the second serial on the chip common core, it is at this position
++ * for sb (ssb) and ai (bcma) bus.
++ */
++#define BCM47XX_SERIAL1_ADDR (SSB_ENUM_BASE + SSB_CHIPCO_UART1_DATA)
++
++static void __init bcm47xx_swap_serial_ssb(struct ssb_mipscore *mcore)
++{
++	struct ssb_serial_port port;
++
++	printk(KERN_INFO "Swapping serial ports\n");
++
++	setup_8250_early_printk_port(CKSEG1ADDR(BCM47XX_SERIAL1_ADDR), 0, 0);
++
++	/* swap serial ports */
++	memcpy(&port, &mcore->serial_ports[0], sizeof(port));
++	memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1], sizeof(port));
++	memcpy(&mcore->serial_ports[1], &port, sizeof(port));
++
++	printk(KERN_INFO "Serial port were Swapped\n");
++}
++
+ static void __init bcm47xx_register_ssb(void)
+ {
+ 	int err;
+@@ -142,14 +164,7 @@ static void __init bcm47xx_register_ssb(
+ 	mcore = &bcm47xx_bus.ssb.mipscore;
+ 	if (bcm47xx_nvram_getenv("kernel_args", buf, sizeof(buf)) >= 0) {
+ 		if (strstr(buf, "console=ttyS1")) {
+-			struct ssb_serial_port port;
+-
+-			printk(KERN_DEBUG "Swapping serial ports!\n");
+-			/* swap serial ports */
+-			memcpy(&port, &mcore->serial_ports[0], sizeof(port));
+-			memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1],
+-			       sizeof(port));
+-			memcpy(&mcore->serial_ports[1], &port, sizeof(port));
++			bcm47xx_swap_serial_ssb(mcore);
+ 		}
+ 	}
+ }

target/linux/brcm47xx/patches-3.10/830-huawei_e970_support.patch

@@ -8,7 +8,7 @@
  #include <asm/bootinfo.h>
  #include <asm/prom.h>
  #include <asm/reboot.h>
-@@ -229,6 +230,33 @@ void __init plat_mem_setup(void)
+@@ -244,6 +245,33 @@ void __init plat_mem_setup(void)
  	mips_set_machine_name(bcm47xx_board_get_name());
  }
  
@@ -42,7 +42,7 @@
  static int __init bcm47xx_register_bus_complete(void)
  {
  	switch (bcm47xx_bus_type) {
-@@ -243,6 +271,8 @@ static int __init bcm47xx_register_bus_c
+@@ -258,6 +286,8 @@ static int __init bcm47xx_register_bus_c
  		break;
  #endif
  	}