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Make OpenPIC serial clock configurable

PATCH In review [email protected] 2 participants 2 messages Dec 16, 2004

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#0 lore raw

PATCH 1/1 Make OpenPIC serial clock configurable

Make OpenPIC serial clock configurable

Signed-off-by Thomas Gleixner <[email protected]>
---
 arch/ppc/syslib/open_pic.c |    6 +++++-
 include/asm-ppc/open_pic.h |    3 +++
 2 files changed, 8 insertions(+), 1 deletion(-)

---

include/asm-ppc/open_pic.h +3 -0
Index: 2.6.10-rc3/include/asm-ppc/open_pic.h
===================================================================
@@ -35,6 +35,9 @@
 
 extern u_int OpenPIC_NumInitSenses;
 extern u_char *OpenPIC_InitSenses;
+#ifdef CONFIG_EPIC_SERIAL_MODE
+extern u_int OpenPIC_ClockRatioSerial;
+#endif
 extern void* OpenPIC_Addr;
 extern int epic_serial_mode;
arch/ppc/syslib/open_pic.c +5 -1
Index: 2.6.10-rc3/arch/ppc/syslib/open_pic.c
===================================================================
@@ -42,6 +42,10 @@
  */
 u_int OpenPIC_NumInitSenses __initdata = 0;
 u_char *OpenPIC_InitSenses __initdata = NULL;
+#ifdef CONFIG_EPIC_SERIAL_MODE
+/* Slowest value until we know better */
+u_int OpenPIC_ClockRatioSerial __initdata = 7;
+#endif
 extern int use_of_interrupt_tree;
 
 static u_int NumProcessors;

@@ -418,7 +422,7 @@
 	openpic_disable_8259_pass_through();
 #ifdef CONFIG_EPIC_SERIAL_MODE
 	if (epic_serial_mode) {
-		openpic_eicr_set_clk(7);	/* Slowest value until we know better */
+		openpic_eicr_set_clk(OpenPIC_ClockRatioSerial);
 		openpic_enable_sie();
 	}
 #endif
#1 lore raw
Quoted 3 lines · On Thu, Dec 16, 2004 at 11:25:13AM +0100, [email protected] wrote:

Make OpenPIC serial clock configurable

Signed-off-by Thomas Gleixner <[email protected]>

I'd like to wait on this at least until the code for a board that uses this comes out.

Signature · 2 lines
Tom Rini
http://gate.crashing.org/~trini/