diff options
Diffstat (limited to 'meta-amdfalconx86/recipes-kernel/linux/files/0006-yocto-amd-tty-driver_enable_UART_support-1.0.patch')
| -rw-r--r-- | meta-amdfalconx86/recipes-kernel/linux/files/0006-yocto-amd-tty-driver_enable_UART_support-1.0.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/meta-amdfalconx86/recipes-kernel/linux/files/0006-yocto-amd-tty-driver_enable_UART_support-1.0.patch b/meta-amdfalconx86/recipes-kernel/linux/files/0006-yocto-amd-tty-driver_enable_UART_support-1.0.patch new file mode 100644 index 00000000..69134c0c --- /dev/null +++ b/meta-amdfalconx86/recipes-kernel/linux/files/0006-yocto-amd-tty-driver_enable_UART_support-1.0.patch @@ -0,0 +1,46 @@ +From 5e8be0ace8901c35e63bef54f1864566346bcec7 Mon Sep 17 00:00:00 2001 +From: Ken Xue <Ken.Xue@amd.com> +Date: Thu, 6 Nov 2014 09:37:28 +0800 +Subject: [PATCH 3/6] enable UART support based on driver from IP vendor. + +Signed-off-by: Ken Xue <Ken.Xue@amd.com> +Signed-off-by: Sanjay Mehta <sanju.mehta@amd.com> +--- + drivers/acpi/acpi_apd.c | 11 +++++++++-- + drivers/tty/serial/8250/8250_dw.c | 1 + + 2 files changed, 10 insertions(+), 2 deletions(-) +diff -Naur a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c +--- a/drivers/acpi/acpi_apd.c 2015-03-25 15:43:23.040812663 +0530 ++++ b/drivers/acpi/acpi_apd.c 2015-03-25 15:41:26.028810368 +0530 +@@ -48,11 +48,18 @@ + .rate = 136192000, /*(133 * 1024 * 1000)*/ + }; + ++static struct apd_device_desc amd_uart_desc = { ++ .clk_required = true, ++ .fix_rate_root_clock = true, ++ .clk_name = "uart_clk", ++ .rate = 48000000, ++}; ++ + static const struct acpi_device_id acpi_apd_device_ids[] = { + /* Generic apd devices */ + { "AMD0010", (unsigned long)&amd_i2c_desc }, +- /*{ "UART0000, (unsigned long)&amur_uart_dev_desc },*/ +- /*{"AMD0030", (unsigned long)&amur_gpio_dev_desc },*/ ++ { "AMD0020", (unsigned long)&amd_uart_desc }, ++ /*{"AMD0030", (unsigned long)&amd_gpio_desc },*/ + { } + }; + +diff -Naur a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c +--- a/drivers/tty/serial/8250/8250_dw.c 2015-03-25 14:39:54.696737985 +0530 ++++ b/drivers/tty/serial/8250/8250_dw.c 2015-03-25 15:41:26.028810368 +0530 +@@ -451,6 +451,7 @@ + { "INT3434", 0 }, + { "INT3435", 0 }, + { "80860F0A", 0 }, ++ { "AMD0020", 0 }, + { }, + }; + MODULE_DEVICE_TABLE(acpi, dw8250_acpi_match); |