diff options
Diffstat (limited to 'target/linux/mvebu/patches-3.10/0030-arm-mvebu-add-another-earlyprintk-Kconfig-option.patch')
| -rw-r--r-- | target/linux/mvebu/patches-3.10/0030-arm-mvebu-add-another-earlyprintk-Kconfig-option.patch | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/target/linux/mvebu/patches-3.10/0030-arm-mvebu-add-another-earlyprintk-Kconfig-option.patch b/target/linux/mvebu/patches-3.10/0030-arm-mvebu-add-another-earlyprintk-Kconfig-option.patch deleted file mode 100644 index 7faeb98..0000000 --- a/target/linux/mvebu/patches-3.10/0030-arm-mvebu-add-another-earlyprintk-Kconfig-option.patch +++ /dev/null @@ -1,85 +0,0 @@ -From 70c30ca997919a4b8c9051a3903f30c79c735f12 Mon Sep 17 00:00:00 2001 -From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> -Date: Wed, 5 Jun 2013 09:05:00 +0200 -Subject: [PATCH 030/203] arm: mvebu: add another earlyprintk Kconfig option - -In order to support both old and new bootloaders, we add a new Kconfig -option for the earlyprintk UART selection. The existing option allows -to work with old bootloaders (that keep the internal registers mapped -at 0xd0000000), while the newly introduced option allows to work with -new bootloaders (that remap the internal registers at 0xf1000000). - -Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> -Acked-by: Arnd Bergmann <arnd@arndb.de> -Signed-off-by: Jason Cooper <jason@lakedaemon.net> ---- - arch/arm/Kconfig.debug | 30 ++++++++++++++++++++++++++++-- - arch/arm/include/debug/mvebu.S | 5 +++++ - 2 files changed, 33 insertions(+), 2 deletions(-) - ---- a/arch/arm/Kconfig.debug -+++ b/arch/arm/Kconfig.debug -@@ -303,12 +303,37 @@ choice - their output to the serial port on MSM 8960 devices. - - config DEBUG_MVEBU_UART -- bool "Kernel low-level debugging messages via MVEBU UART" -+ bool "Kernel low-level debugging messages via MVEBU UART (old bootloaders)" - depends on ARCH_MVEBU - help - Say Y here if you want kernel low-level debugging support - on MVEBU based platforms. - -+ This option should be used with the old bootloaders -+ that left the internal registers mapped at -+ 0xd0000000. As of today, this is the case on -+ platforms such as the Globalscale Mirabox or the -+ Plathome OpenBlocks AX3, when using the original -+ bootloader. -+ -+ If the wrong DEBUG_MVEBU_UART* option is selected, -+ when u-boot hands over to the kernel, the system -+ silently crashes, with no serial output at all. -+ -+ config DEBUG_MVEBU_UART_ALTERNATE -+ bool "Kernel low-level debugging messages via MVEBU UART (new bootloaders)" -+ depends on ARCH_MVEBU -+ help -+ Say Y here if you want kernel low-level debugging support -+ on MVEBU based platforms. -+ -+ This option should be used with the new bootloaders -+ that remap the internal registers at 0xf1000000. -+ -+ If the wrong DEBUG_MVEBU_UART* option is selected, -+ when u-boot hands over to the kernel, the system -+ silently crashes, with no serial output at all. -+ - config DEBUG_NOMADIK_UART - bool "Kernel low-level debugging messages via NOMADIK UART" - depends on ARCH_NOMADIK -@@ -632,7 +657,8 @@ config DEBUG_LL_INCLUDE - DEBUG_IMX51_UART || \ - DEBUG_IMX53_UART ||\ - DEBUG_IMX6Q_UART -- default "debug/mvebu.S" if DEBUG_MVEBU_UART -+ default "debug/mvebu.S" if DEBUG_MVEBU_UART || \ -+ DEBUG_MVEBU_UART_ALTERNATE - default "debug/mxs.S" if DEBUG_IMX23_UART || DEBUG_IMX28_UART - default "debug/nomadik.S" if DEBUG_NOMADIK_UART - default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART ---- a/arch/arm/include/debug/mvebu.S -+++ b/arch/arm/include/debug/mvebu.S -@@ -11,7 +11,12 @@ - * published by the Free Software Foundation. - */ - -+#ifdef CONFIG_DEBUG_MVEBU_UART_ALTERNATE -+#define ARMADA_370_XP_REGS_PHYS_BASE 0xf1000000 -+#else - #define ARMADA_370_XP_REGS_PHYS_BASE 0xd0000000 -+#endif -+ - #define ARMADA_370_XP_REGS_VIRT_BASE 0xfec00000 - - .macro addruart, rp, rv, tmp |