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author | Patrick Williams <patrick@stwcx.xyz> | 2015-10-16 15:47:31 +0300 |
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committer | Patrick Williams <patrick@stwcx.xyz> | 2015-10-16 15:47:31 +0300 |
commit | d58aff8ae797bdc22687810048f1ad8d87ed34ee (patch) | |
tree | 62941fe33b102b352466a3ecb6d051d20f05dc6b | |
parent | abab3a8fe366e6c8678c1b9148b3753dd2e45a6a (diff) | |
parent | d819b470e093a74dfaed9024f242688eeaff236e (diff) | |
download | linux-d58aff8ae797bdc22687810048f1ad8d87ed34ee.tar.xz |
Merge pull request #3 from jk-ozlabs/openbmc
Kernel fixes for openbmc
-rw-r--r-- | arch/arm/configs/aspeed_defconfig | 2 | ||||
-rw-r--r-- | arch/arm/mach-aspeed/aspeed.c | 10 |
2 files changed, 11 insertions, 1 deletions
diff --git a/arch/arm/configs/aspeed_defconfig b/arch/arm/configs/aspeed_defconfig index dfd5707edcc0..fa8e8a13a95c 100644 --- a/arch/arm/configs/aspeed_defconfig +++ b/arch/arm/configs/aspeed_defconfig @@ -151,7 +151,7 @@ CONFIG_USB_STORAGE=y CONFIG_USB_SERIAL=y CONFIG_USB_SERIAL_GENERIC=y CONFIG_USB_GADGET=y -CONFIG_USB_G_SERIAL=m +CONFIG_USB_G_SERIAL=y CONFIG_MMC=y CONFIG_MMC_SPI=y CONFIG_NEW_LEDS=y diff --git a/arch/arm/mach-aspeed/aspeed.c b/arch/arm/mach-aspeed/aspeed.c index 64d379a90a41..9d106b857fbd 100644 --- a/arch/arm/mach-aspeed/aspeed.c +++ b/arch/arm/mach-aspeed/aspeed.c @@ -128,6 +128,8 @@ static void udbg_uart_putc(char c) static void __init aspeed_init_early(void) { + u32 reg; + // XXX UART stuff to fix to pinmux & co printk("UART IO MUX...\n"); writel(0x02010023, AST_IO(AST_BASE_LPC | 0x9c)); @@ -137,6 +139,14 @@ static void __init aspeed_init_early(void) writel(0xcb000000, AST_IO(AST_BASE_SCU | 0x80)); writel(0x00fff0c0, AST_IO(AST_BASE_SCU | 0x84)); writel(0x10CC5E80, AST_IO(AST_BASE_SCU | 0x0c)); + + /* We enable the UART clock divisor in the SCU's misc control + * register, as the baud rates in aspeed.dtb all assume that the + * divisor is active + */ + reg = readl(AST_IO(AST_BASE_SCU | 0x2c)); + writel(reg | 0x00001000, AST_IO(AST_BASE_SCU | 0x2c)); + printk("DONE, MUX=%08x %08x\n", readl(AST_IO(AST_BASE_SCU | 0x80)), readl(AST_IO(AST_BASE_SCU | 0x84))); printk("CLOCK_CTRL=%08x\n", readl(AST_IO(AST_BASE_SCU))); |