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| author | Lluís Batlle i Rossell <viric@viric.name> | 2012-03-30 16:48:05 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2012-07-23 13:56:21 +0100 |
| commit | f9c9affc5799b9243d57b86fefda0dffbce3a32e (patch) | |
| tree | da0e421ed52a9d4e8420cd931591de54af6c69c0 | |
| parent | ea3952e01c47ac76d71857099cbfc2f487f507d2 (diff) | |
| download | lwn-f9c9affc5799b9243d57b86fefda0dffbce3a32e.tar.gz lwn-f9c9affc5799b9243d57b86fefda0dffbce3a32e.zip | |
MIPS: Enable vmlinuz for JZ4740
This patch adds support for building a compressed kernel for the JZ4740
architecture.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Maarten ter Huurne <maarten@treewalker.org>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3563/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| -rw-r--r-- | arch/mips/Kconfig | 1 | ||||
| -rw-r--r-- | arch/mips/boot/compressed/Makefile | 4 | ||||
| -rw-r--r-- | arch/mips/boot/compressed/uart-16550.c | 5 |
3 files changed, 10 insertions, 0 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index b3e10fdd3898..debdb6e83409 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -209,6 +209,7 @@ config MACH_JZ4740 select SYS_HAS_CPU_MIPS32_R1 select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_ZBOOT_UART16550 select DMA_NONCOHERENT select IRQ_CPU select GENERIC_GPIO diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile index 5042d51b0512..c2a3fb0ffc87 100644 --- a/arch/mips/boot/compressed/Makefile +++ b/arch/mips/boot/compressed/Makefile @@ -58,8 +58,12 @@ $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE # Calculate the load address of the compressed kernel image hostprogs-y := calc_vmlinuz_load_addr +ifeq ($(CONFIG_MACH_JZ4740),y) +VMLINUZ_LOAD_ADDRESS := 0x80600000 +else VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \ $(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS)) +endif vmlinuzobjs-y += $(obj)/piggy.o diff --git a/arch/mips/boot/compressed/uart-16550.c b/arch/mips/boot/compressed/uart-16550.c index c9caaf4fbf60..1c7b739b6a1d 100644 --- a/arch/mips/boot/compressed/uart-16550.c +++ b/arch/mips/boot/compressed/uart-16550.c @@ -18,6 +18,11 @@ #define PORT(offset) (CKSEG1ADDR(AR7_REGS_UART0) + (4 * offset)) #endif +#ifdef CONFIG_MACH_JZ4740 +#define UART0_BASE 0xB0030000 +#define PORT(offset) (UART0_BASE + (4 * offset)) +#endif + #ifndef PORT #error please define the serial port address for your own machine #endif |