diff options
Diffstat (limited to 'packages/uboot/u-boot-mkimage-gta01-native/uboot-arm920_s3c2410_irq_demux.patch')
-rw-r--r-- | packages/uboot/u-boot-mkimage-gta01-native/uboot-arm920_s3c2410_irq_demux.patch | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/packages/uboot/u-boot-mkimage-gta01-native/uboot-arm920_s3c2410_irq_demux.patch b/packages/uboot/u-boot-mkimage-gta01-native/uboot-arm920_s3c2410_irq_demux.patch new file mode 100644 index 0000000000..b39a268c84 --- /dev/null +++ b/packages/uboot/u-boot-mkimage-gta01-native/uboot-arm920_s3c2410_irq_demux.patch @@ -0,0 +1,56 @@ +This patch adds a IRQ demultiplexer callback to the arm920 cpu core code, +plus a stub implementation of it for the S3C2410. + +Index: u-boot.git/cpu/arm920t/interrupts.c +=================================================================== +--- u-boot.git.orig/cpu/arm920t/interrupts.c 2007-02-05 22:49:11.000000000 +0100 ++++ u-boot.git/cpu/arm920t/interrupts.c 2007-02-05 23:19:01.000000000 +0100 +@@ -161,11 +161,16 @@ + + void do_irq (struct pt_regs *pt_regs) + { +-#if defined (CONFIG_USE_IRQ) && defined (CONFIG_ARCH_INTEGRATOR) ++#if defined (CONFIG_USE_IRQ) ++#if defined (ARM920_IRQ_CALLBACK) ++ ARM920_IRQ_CALLBACK(); ++ return; ++#elif defined (CONFIG_ARCH_INTEGRATOR) + /* ASSUMED to be a timer interrupt */ + /* Just clear it - count handled in */ + /* integratorap.c */ + *(volatile ulong *)(CFG_TIMERBASE + 0x0C) = 0; ++#endif /* ARCH_INTEGRATOR */ + #else + printf ("interrupt request\n"); + show_regs (pt_regs); +Index: u-boot.git/cpu/arm920t/s3c24x0/interrupts.c +=================================================================== +--- u-boot.git.orig/cpu/arm920t/s3c24x0/interrupts.c 2007-02-05 22:49:11.000000000 +0100 ++++ u-boot.git/cpu/arm920t/s3c24x0/interrupts.c 2007-02-05 23:21:35.000000000 +0100 +@@ -216,4 +216,13 @@ + /*NOTREACHED*/ + } + ++#ifdef CONFIG_USE_IRQ ++void s3c2410_irq(void) ++{ ++ S3C24X0_INTERRUPT * irq = S3C24X0_GetBase_INTERRUPT(); ++ u_int32_t intpnd = irq->INTPND; ++ ++} ++#endif /* USE_IRQ */ ++ + #endif /* defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || defined (CONFIG_TRAB) */ +Index: u-boot.git/include/common.h +=================================================================== +--- u-boot.git.orig/include/common.h 2007-02-05 22:49:11.000000000 +0100 ++++ u-boot.git/include/common.h 2007-02-05 23:19:01.000000000 +0100 +@@ -452,6 +452,8 @@ + ulong get_PCI_freq (void); + #endif + #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_LH7A40X) ++void s3c2410_irq(void); ++#define ARM920_IRQ_CALLBACK s3c2410_irq + ulong get_FCLK (void); + ulong get_HCLK (void); + ulong get_PCLK (void); |