diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0025-bcm2835-Add-support-for-uart1.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0025-bcm2835-Add-support-for-uart1.patch | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0025-bcm2835-Add-support-for-uart1.patch b/target/linux/brcm2708/patches-4.4/0025-bcm2835-Add-support-for-uart1.patch deleted file mode 100644 index 5f7fd57b44..0000000000 --- a/target/linux/brcm2708/patches-4.4/0025-bcm2835-Add-support-for-uart1.patch +++ /dev/null @@ -1,57 +0,0 @@ -From 877a10a2dc756e4dfc6f0183e98467259c08e753 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org> -Date: Sat, 15 Aug 2015 20:50:02 +0200 -Subject: [PATCH] bcm2835: Add support for uart1 -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -This is a hack until a proper solution is agreed upon. -Martin Sperl is doing some work in this area. - -Signed-off-by: Noralf Trønnes <noralf@tronnes.org> ---- - arch/arm/mach-bcm/board_bcm2835.c | 25 +++++++++++++++++++++++++ - 1 file changed, 25 insertions(+) - ---- a/arch/arm/mach-bcm/board_bcm2835.c -+++ b/arch/arm/mach-bcm/board_bcm2835.c -@@ -22,6 +22,29 @@ - #include <asm/mach/arch.h> - #include <asm/mach/map.h> - -+/* Use this hack until a proper solution is agreed upon */ -+static void __init bcm2835_init_uart1(void) -+{ -+ struct device_node *np; -+ -+ np = of_find_compatible_node(NULL, NULL, "brcm,bcm2835-aux-uart"); -+ if (of_device_is_available(np)) { -+ np = of_find_compatible_node(NULL, NULL, -+ "bcrm,bcm2835-aux-enable"); -+ if (np) { -+ void __iomem *base = of_iomap(np, 0); -+ -+ if (!base) { -+ pr_err("bcm2835: Failed enabling Mini UART\n"); -+ return; -+ } -+ -+ writel(1, base); -+ pr_info("bcm2835: Mini UART enabled\n"); -+ } -+ } -+} -+ - static void __init bcm2835_init(void) - { - struct device_node *np = of_find_node_by_path("/system"); -@@ -42,6 +65,8 @@ static void __init bcm2835_init(void) - system_rev = val; - if (!of_property_read_u64(np, "linux,serial", &val64)) - system_serial_low = val64; -+ -+ bcm2835_init_uart1(); - } - - static const char * const bcm2835_compat[] = { |