diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2015-07-19 17:58:40 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2015-07-19 17:58:40 +0000 |
| commit | 78b1a6b773aaebdeff6f6b43df98598749e44930 (patch) | |
| tree | 1cacb1c7de856ee70af780d86e6c70b9559bb247 /target/linux/ar71xx/patches-4.1/521-MIPS-ath79-enable-UART-for-early_serial.patch | |
| parent | d26e8d9439052ed8f433b6ffb15a5f0c54712121 (diff) | |
| download | master-31e0f0ae-78b1a6b773aaebdeff6f6b43df98598749e44930.tar.gz master-31e0f0ae-78b1a6b773aaebdeff6f6b43df98598749e44930.tar.bz2 master-31e0f0ae-78b1a6b773aaebdeff6f6b43df98598749e44930.zip | |
ar71xx: add 4.1 support
Signed-off-by: Roman Yeryomin <roman@advem.lv>
SVN-Revision: 46426
Diffstat (limited to 'target/linux/ar71xx/patches-4.1/521-MIPS-ath79-enable-UART-for-early_serial.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-4.1/521-MIPS-ath79-enable-UART-for-early_serial.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-4.1/521-MIPS-ath79-enable-UART-for-early_serial.patch b/target/linux/ar71xx/patches-4.1/521-MIPS-ath79-enable-UART-for-early_serial.patch new file mode 100644 index 0000000000..3d6ddfe18c --- /dev/null +++ b/target/linux/ar71xx/patches-4.1/521-MIPS-ath79-enable-UART-for-early_serial.patch @@ -0,0 +1,61 @@ +--- a/arch/mips/ath79/early_printk.c ++++ b/arch/mips/ath79/early_printk.c +@@ -56,6 +56,46 @@ static void prom_putchar_dummy(unsigned + /* nothing to do */ + } + ++static void prom_enable_uart(u32 id) ++{ ++ void __iomem *gpio_base; ++ u32 uart_en; ++ u32 t; ++ ++ switch (id) { ++ case REV_ID_MAJOR_AR71XX: ++ uart_en = AR71XX_GPIO_FUNC_UART_EN; ++ break; ++ ++ case REV_ID_MAJOR_AR7240: ++ case REV_ID_MAJOR_AR7241: ++ case REV_ID_MAJOR_AR7242: ++ uart_en = AR724X_GPIO_FUNC_UART_EN; ++ break; ++ ++ case REV_ID_MAJOR_AR913X: ++ uart_en = AR913X_GPIO_FUNC_UART_EN; ++ break; ++ ++ case REV_ID_MAJOR_AR9330: ++ case REV_ID_MAJOR_AR9331: ++ uart_en = AR933X_GPIO_FUNC_UART_EN; ++ break; ++ ++ case REV_ID_MAJOR_AR9341: ++ case REV_ID_MAJOR_AR9342: ++ case REV_ID_MAJOR_AR9344: ++ /* TODO */ ++ default: ++ return; ++ } ++ ++ gpio_base = (void __iomem *)(KSEG1ADDR(AR71XX_GPIO_BASE)); ++ t = __raw_readl(gpio_base + AR71XX_GPIO_REG_FUNC); ++ t |= uart_en; ++ __raw_writel(t, gpio_base + AR71XX_GPIO_REG_FUNC); ++} ++ + static void prom_putchar_init(void) + { + void __iomem *base; +@@ -86,8 +126,10 @@ static void prom_putchar_init(void) + + default: + _prom_putchar = prom_putchar_dummy; +- break; ++ return; + } ++ ++ prom_enable_uart(id); + } + + void prom_putchar(unsigned char ch) |