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authorGabor Juhos <juhosg@openwrt.org>2010-03-14 16:08:21 +0000
committerGabor Juhos <juhosg@openwrt.org>2010-03-14 16:08:21 +0000
commit7283430256ca7e46a37c12754f924a30cd317b91 (patch)
tree3911e179cbfe157554f7f2a46ca95e958d709e39 /target/linux/atheros/patches-2.6.32
parent04864d9fb73e16b974dd75b301ce625497c93c77 (diff)
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atheros: add early-printk support
SVN-Revision: 20201
Diffstat (limited to 'target/linux/atheros/patches-2.6.32')
-rw-r--r--target/linux/atheros/patches-2.6.32/101-early-printk-support.patch68
-rw-r--r--target/linux/atheros/patches-2.6.32/105-ar2315_pci.patch4
-rw-r--r--target/linux/atheros/patches-2.6.32/210-reset_button.patch6
3 files changed, 73 insertions, 5 deletions
diff --git a/target/linux/atheros/patches-2.6.32/101-early-printk-support.patch b/target/linux/atheros/patches-2.6.32/101-early-printk-support.patch
new file mode 100644
index 0000000..b52471a
--- /dev/null
+++ b/target/linux/atheros/patches-2.6.32/101-early-printk-support.patch
@@ -0,0 +1,68 @@
+--- /dev/null
++++ b/arch/mips/ar231x/early_printk.c
+@@ -0,0 +1,44 @@
++/*
++ * This file is subject to the terms and conditions of the GNU General Public
++ * License. See the file "COPYING" in the main directory of this archive
++ * for more details.
++ *
++ * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
++ */
++
++#include <linux/mm.h>
++#include <linux/io.h>
++#include <linux/serial_reg.h>
++#include <asm/addrspace.h>
++
++#include <asm/mach-ar231x/ar2315_regs.h>
++#include <asm/mach-ar231x/ar5312_regs.h>
++#include "devices.h"
++
++static inline void prom_uart_wr(void __iomem *base, unsigned reg,
++ unsigned char ch)
++{
++ __raw_writeb(ch, base + 4 * reg);
++}
++
++static inline unsigned char prom_uart_rr(void __iomem *base, unsigned reg)
++{
++ return __raw_readb(base + 4 * reg);
++}
++
++void prom_putchar(unsigned char ch)
++{
++ static void __iomem *base;
++
++ if (unlikely(base == NULL)) {
++ if (is_2315())
++ base = (void __iomem *)(KSEG1ADDR(AR2315_UART0));
++ else
++ base = (void __iomem *)(KSEG1ADDR(AR531X_UART0));
++ }
++
++ while ((prom_uart_rr(base, UART_LSR) & UART_LSR_THRE) == 0);
++ prom_uart_wr(base, UART_TX, ch);
++ while ((prom_uart_rr(base, UART_LSR) & UART_LSR_THRE) == 0);
++}
++
+--- a/arch/mips/ar231x/Makefile
++++ b/arch/mips/ar231x/Makefile
+@@ -9,5 +9,8 @@
+ #
+
+ obj-y += board.o prom.o devices.o
++
++obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
++
+ obj-$(CONFIG_ATHEROS_AR5312) += ar5312.o
+ obj-$(CONFIG_ATHEROS_AR2315) += ar2315.o
+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -106,6 +106,7 @@ config ATHEROS_AR231X
+ select SYS_SUPPORTS_BIG_ENDIAN
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select GENERIC_GPIO
++ select SYS_HAS_EARLY_PRINTK
+ help
+ Support for AR231x and AR531x based boards
+
diff --git a/target/linux/atheros/patches-2.6.32/105-ar2315_pci.patch b/target/linux/atheros/patches-2.6.32/105-ar2315_pci.patch
index 9b76dfe..3f5e6b4 100644
--- a/target/linux/atheros/patches-2.6.32/105-ar2315_pci.patch
+++ b/target/linux/atheros/patches-2.6.32/105-ar2315_pci.patch
@@ -1,7 +1,7 @@
--- a/arch/mips/ar231x/Makefile
+++ b/arch/mips/ar231x/Makefile
-@@ -11,3 +11,4 @@
- obj-y += board.o prom.o devices.o
+@@ -14,3 +14,4 @@ obj-$(CONFIG_EARLY_PRINTK) += early_prin
+
obj-$(CONFIG_ATHEROS_AR5312) += ar5312.o
obj-$(CONFIG_ATHEROS_AR2315) += ar2315.o
+obj-$(CONFIG_ATHEROS_AR2315_PCI) += pci.o
diff --git a/target/linux/atheros/patches-2.6.32/210-reset_button.patch b/target/linux/atheros/patches-2.6.32/210-reset_button.patch
index 79d4446..3c91818 100644
--- a/target/linux/atheros/patches-2.6.32/210-reset_button.patch
+++ b/target/linux/atheros/patches-2.6.32/210-reset_button.patch
@@ -6,9 +6,9 @@
-obj-y += board.o prom.o devices.o
+obj-y += board.o prom.o devices.o reset.o
- obj-$(CONFIG_ATHEROS_AR5312) += ar5312.o
- obj-$(CONFIG_ATHEROS_AR2315) += ar2315.o
- obj-$(CONFIG_ATHEROS_AR2315_PCI) += pci.o
+
+ obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
+
--- /dev/null
+++ b/arch/mips/ar231x/reset.c
@@ -0,0 +1,160 @@