diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-3.10/082-MIPS-BCM47XX-add-EARLY_PRINTK_8250-support.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-3.10/082-MIPS-BCM47XX-add-EARLY_PRINTK_8250-support.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.10/082-MIPS-BCM47XX-add-EARLY_PRINTK_8250-support.patch b/target/linux/brcm47xx/patches-3.10/082-MIPS-BCM47XX-add-EARLY_PRINTK_8250-support.patch index 744e359..42f5917 100644 --- a/target/linux/brcm47xx/patches-3.10/082-MIPS-BCM47XX-add-EARLY_PRINTK_8250-support.patch +++ b/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); + } + } + } |