[MIPS] TXx9: PCI error handling

From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Thu, 24 Jul 2008 00:25:16 +0900
Subject: [PATCH] txx9: PCI error handling

Add more control and detailed report on PCI error interrupt.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

4 files changed, 12 insertions, 0 deletions

diff --git a/include/asm-mips/txx9/tx3927.h b/include/asm-mips/txx9/tx3927.h
index ea79e1b16e71..8d62b1ba2c14 100644
--- a/include/asm-mips/txx9/tx3927.h
+++ b/include/asm-mips/txx9/tx3927.h
@@ -236,11 +236,17 @@ struct tx3927_ccfg_reg {
 /* see PCI_STATUS_XXX in linux/pci.h */
 #define PCI_STATUS_NEW_CAP      0x0010
 
+/* bits for ISTAT/IIM */
+#define TX3927_PCIC_IIM_ALL     0x00001600
+
 /* bits for TC */
 #define TX3927_PCIC_TC_OF16E    0x00000020
 #define TX3927_PCIC_TC_IF8E     0x00000010
 #define TX3927_PCIC_TC_OF8E     0x00000008
 
+/* bits for TSTAT/TIM */
+#define TX3927_PCIC_TIM_ALL     0x0003ffff
+
 /* bits for IOBA/MBA */
 /* see PCI_BASE_ADDRESS_XXX in linux/pci.h */
 
@@ -320,5 +326,6 @@ struct tx3927_ccfg_reg {
 struct pci_controller;
 void __init tx3927_pcic_setup(struct pci_controller *channel,
                               unsigned long sdram_size, int extarb);
+void tx3927_setup_pcierr_irq(void);
 
 #endif /* __ASM_TXX9_TX3927_H */
diff --git a/include/asm-mips/txx9/tx4927.h b/include/asm-mips/txx9/tx4927.h
index ceb4b79ff4e3..2c26fd17cb4a 100644
--- a/include/asm-mips/txx9/tx4927.h
+++ b/include/asm-mips/txx9/tx4927.h
@@ -249,6 +249,7 @@ void tx4927_time_init(unsigned int tmrnr);
 void tx4927_setup_serial(void);
 int tx4927_report_pciclk(void);
 int tx4927_pciclk66_setup(void);
+void tx4927_setup_pcierr_irq(void);
 void tx4927_irq_init(void);
 
 #endif /* __ASM_TXX9_TX4927_H */
diff --git a/include/asm-mips/txx9/tx4927pcic.h b/include/asm-mips/txx9/tx4927pcic.h
index e1d78e9ebc06..223841c56131 100644
--- a/include/asm-mips/txx9/tx4927pcic.h
+++ b/include/asm-mips/txx9/tx4927pcic.h
@@ -10,6 +10,7 @@
 #define __ASM_TXX9_TX4927PCIC_H
 
 #include <linux/pci.h>
+#include <linux/irqreturn.h>
 
 struct tx4927_pcic_reg {
         u32 pciid;
@@ -196,5 +197,7 @@ void __init tx4927_pcic_setup(struct tx4927_pcic_reg __iomem *pcicptr,
                               struct pci_controller *channel, int extarb);
 void tx4927_report_pcic_status(void);
 char *tx4927_pcibios_setup(char *str);
+void tx4927_dump_pcic_settings(void);
+irqreturn_t tx4927_pcierr_interrupt(int irq, void *dev_id);
 
 #endif /* __ASM_TXX9_TX4927PCIC_H */
diff --git a/include/asm-mips/txx9/tx4938.h b/include/asm-mips/txx9/tx4938.h
index 1ed969d381d6..4fff1c9e08d4 100644
--- a/include/asm-mips/txx9/tx4938.h
+++ b/include/asm-mips/txx9/tx4938.h
@@ -285,6 +285,7 @@ void tx4938_report_pci1clk(void);
 int tx4938_pciclk66_setup(void);
 struct pci_dev;
 int tx4938_pcic1_map_irq(const struct pci_dev *dev, u8 slot);
+void tx4938_setup_pcierr_irq(void);
 void tx4938_irq_init(void);
 
 #endif