aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/brcm47xx/patches-3.2/014-MIPS-BCM47xx-Setup-and-register-serial-early.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/brcm47xx/patches-3.2/014-MIPS-BCM47xx-Setup-and-register-serial-early.patch')
-rw-r--r--target/linux/brcm47xx/patches-3.2/014-MIPS-BCM47xx-Setup-and-register-serial-early.patch69
1 files changed, 69 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.2/014-MIPS-BCM47xx-Setup-and-register-serial-early.patch b/target/linux/brcm47xx/patches-3.2/014-MIPS-BCM47xx-Setup-and-register-serial-early.patch
new file mode 100644
index 0000000000..12028c4a4f
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.2/014-MIPS-BCM47xx-Setup-and-register-serial-early.patch
@@ -0,0 +1,69 @@
+From 9be402f069cc259ad5795b77567d66c4e7f6bef6 Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Sun, 18 Jul 2010 14:59:24 +0200
+Subject: [PATCH 4/6] MIPS: BCM47xx: Setup and register serial early
+
+Swap the first and second serial if console=ttyS1 was set.
+Set it up and register it for early serial support.
+
+This patch has been in OpenWRT for a long time.
+
+Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+---
+ arch/mips/bcm47xx/setup.c | 39 ++++++++++++++++++++++++++++++++++++++-
+ 1 files changed, 38 insertions(+), 1 deletions(-)
+
+--- a/arch/mips/bcm47xx/setup.c
++++ b/arch/mips/bcm47xx/setup.c
+@@ -32,6 +32,8 @@
+ #include <linux/ssb/ssb_embedded.h>
+ #include <linux/bcma/bcma_soc.h>
+ #include <linux/platform_device.h>
++#include <linux/serial.h>
++#include <linux/serial_8250.h>
+ #include <asm/bootinfo.h>
+ #include <asm/reboot.h>
+ #include <asm/time.h>
+@@ -279,6 +281,31 @@ static int bcm47xx_get_invariants(struct
+ return 0;
+ }
+
++#ifdef CONFIG_SERIAL_8250
++static void __init bcm47xx_early_serial_setup(struct ssb_mipscore *mcore)
++{
++ int i;
++
++ for (i = 0; i < mcore->nr_serial_ports; i++) {
++ struct ssb_serial_port *port = &(mcore->serial_ports[i]);
++ struct uart_port s;
++
++ memset(&s, 0, sizeof(s));
++ s.line = i;
++ s.mapbase = (unsigned int) port->regs;
++ s.membase = port->regs;
++ s.irq = port->irq + 2;
++ s.uartclk = port->baud_base;
++ s.flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
++ s.iotype = SERIAL_IO_MEM;
++ s.regshift = port->reg_shift;
++
++ early_serial_setup(&s);
++ }
++ printk(KERN_DEBUG "Serial init done.\n");
++}
++#endif
++
+ static void __init bcm47xx_register_ssb(void)
+ {
+ int err;
+@@ -311,6 +338,10 @@ static void __init bcm47xx_register_ssb(
+ memcpy(&mcore->serial_ports[1], &port, sizeof(port));
+ }
+ }
++
++#ifdef CONFIG_SERIAL_8250
++ bcm47xx_early_serial_setup(mcore);
++#endif
+ }
+ #endif
+