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-rw-r--r--board/amcc/ocotea/ocotea.c50
-rw-r--r--board/amcc/taishan/taishan.c50
-rw-r--r--board/prodrive/alpr/alpr.c50
-rw-r--r--board/sandburst/karef/karef.c50
-rw-r--r--board/sandburst/metrobox/metrobox.c50
-rw-r--r--board/xpedite1k/xpedite1k.c50
-rw-r--r--cpu/ppc4xx/4xx_enet.c9
-rw-r--r--cpu/ppc4xx/cpu_init.c15
-rw-r--r--cpu/ppc4xx/interrupts.c97
-rw-r--r--include/asm-ppc/ppc4xx-uic.h93
10 files changed, 269 insertions, 245 deletions
diff --git a/board/amcc/ocotea/ocotea.c b/board/amcc/ocotea/ocotea.c
index eea1e1e17..4d1d09321 100644
--- a/board/amcc/ocotea/ocotea.c
+++ b/board/amcc/ocotea/ocotea.c
@@ -147,36 +147,48 @@ int board_early_init_f (void)
/*--------------------------------------------------------------------
* Setup the interrupt controller polarities, triggers, etc.
*-------------------------------------------------------------------*/
- mtdcr (uic0sr, 0xffffffff); /* clear all */
- mtdcr (uic0er, 0x00000000); /* disable all */
- mtdcr (uic0cr, 0x00000009); /* SMI & UIC1 crit are critical */
- mtdcr (uic0pr, 0xfffffe13); /* per ref-board manual */
- mtdcr (uic0tr, 0x01c00008); /* per ref-board manual */
- mtdcr (uic0vr, 0x00000001); /* int31 highest, base=0x000 */
- mtdcr (uic0sr, 0xffffffff); /* clear all */
-
+ /*
+ * Because of the interrupt handling rework to handle 440GX interrupts
+ * with the common code, we needed to change names of the UIC registers.
+ * Here the new relationship:
+ *
+ * U-Boot name 440GX name
+ * -----------------------
+ * UIC0 UICB0
+ * UIC1 UIC0
+ * UIC2 UIC1
+ * UIC3 UIC2
+ */
mtdcr (uic1sr, 0xffffffff); /* clear all */
mtdcr (uic1er, 0x00000000); /* disable all */
- mtdcr (uic1cr, 0x00000000); /* all non-critical */
- mtdcr (uic1pr, 0xffffe0ff); /* per ref-board manual */
- mtdcr (uic1tr, 0x00ffc000); /* per ref-board manual */
+ mtdcr (uic1cr, 0x00000009); /* SMI & UIC1 crit are critical */
+ mtdcr (uic1pr, 0xfffffe13); /* per ref-board manual */
+ mtdcr (uic1tr, 0x01c00008); /* per ref-board manual */
mtdcr (uic1vr, 0x00000001); /* int31 highest, base=0x000 */
mtdcr (uic1sr, 0xffffffff); /* clear all */
mtdcr (uic2sr, 0xffffffff); /* clear all */
mtdcr (uic2er, 0x00000000); /* disable all */
mtdcr (uic2cr, 0x00000000); /* all non-critical */
- mtdcr (uic2pr, 0xffffffff); /* per ref-board manual */
- mtdcr (uic2tr, 0x00ff8c0f); /* per ref-board manual */
+ mtdcr (uic2pr, 0xffffe0ff); /* per ref-board manual */
+ mtdcr (uic2tr, 0x00ffc000); /* per ref-board manual */
mtdcr (uic2vr, 0x00000001); /* int31 highest, base=0x000 */
mtdcr (uic2sr, 0xffffffff); /* clear all */
- mtdcr (uicb0sr, 0xfc000000); /* clear all */
- mtdcr (uicb0er, 0x00000000); /* disable all */
- mtdcr (uicb0cr, 0x00000000); /* all non-critical */
- mtdcr (uicb0pr, 0xfc000000); /* */
- mtdcr (uicb0tr, 0x00000000); /* */
- mtdcr (uicb0vr, 0x00000001); /* */
+ mtdcr (uic3sr, 0xffffffff); /* clear all */
+ mtdcr (uic3er, 0x00000000); /* disable all */
+ mtdcr (uic3cr, 0x00000000); /* all non-critical */
+ mtdcr (uic3pr, 0xffffffff); /* per ref-board manual */
+ mtdcr (uic3tr, 0x00ff8c0f); /* per ref-board manual */
+ mtdcr (uic3vr, 0x00000001); /* int31 highest, base=0x000 */
+ mtdcr (uic3sr, 0xffffffff); /* clear all */
+
+ mtdcr (uic0sr, 0xfc000000); /* clear all */
+ mtdcr (uic0er, 0x00000000); /* disable all */
+ mtdcr (uic0cr, 0x00000000); /* all non-critical */
+ mtdcr (uic0pr, 0xfc000000); /* */
+ mtdcr (uic0tr, 0x00000000); /* */
+ mtdcr (uic0vr, 0x00000001); /* */
mfsdr (sdr_mfr, mfr);
mfr &= ~SDR0_MFR_ECS_MASK;
/* mtsdr(sdr_mfr, mfr); */
diff --git a/board/amcc/taishan/taishan.c b/board/amcc/taishan/taishan.c
index b6c306539..fdd82e7cc 100644
--- a/board/amcc/taishan/taishan.c
+++ b/board/amcc/taishan/taishan.c
@@ -119,36 +119,48 @@ int board_early_init_f (void)
/*--------------------------------------------------------------------
* Setup the interrupt controller polarities, triggers, etc.
*-------------------------------------------------------------------*/
- mtdcr (uic0sr, 0xffffffff); /* clear all */
- mtdcr (uic0er, 0x00000000); /* disable all */
- mtdcr (uic0cr, 0x00000009); /* SMI & UIC1 crit are critical */
- mtdcr (uic0pr, 0xfffffe13); /* per ref-board manual */
- mtdcr (uic0tr, 0x01c00008); /* per ref-board manual */
- mtdcr (uic0vr, 0x00000001); /* int31 highest, base=0x000 */
- mtdcr (uic0sr, 0xffffffff); /* clear all */
-
+ /*
+ * Because of the interrupt handling rework to handle 440GX interrupts
+ * with the common code, we needed to change names of the UIC registers.
+ * Here the new relationship:
+ *
+ * U-Boot name 440GX name
+ * -----------------------
+ * UIC0 UICB0
+ * UIC1 UIC0
+ * UIC2 UIC1
+ * UIC3 UIC2
+ */
mtdcr (uic1sr, 0xffffffff); /* clear all */
mtdcr (uic1er, 0x00000000); /* disable all */
- mtdcr (uic1cr, 0x00000000); /* all non-critical */
- mtdcr (uic1pr, 0xffffe0ff); /* per ref-board manual */
- mtdcr (uic1tr, 0x00ffc000); /* per ref-board manual */
+ mtdcr (uic1cr, 0x00000009); /* SMI & UIC1 crit are critical */
+ mtdcr (uic1pr, 0xfffffe13); /* per ref-board manual */
+ mtdcr (uic1tr, 0x01c00008); /* per ref-board manual */
mtdcr (uic1vr, 0x00000001); /* int31 highest, base=0x000 */
mtdcr (uic1sr, 0xffffffff); /* clear all */
mtdcr (uic2sr, 0xffffffff); /* clear all */
mtdcr (uic2er, 0x00000000); /* disable all */
mtdcr (uic2cr, 0x00000000); /* all non-critical */
- mtdcr (uic2pr, 0xffffffff); /* per ref-board manual */
- mtdcr (uic2tr, 0x00ff8c0f); /* per ref-board manual */
+ mtdcr (uic2pr, 0xffffe0ff); /* per ref-board manual */
+ mtdcr (uic2tr, 0x00ffc000); /* per ref-board manual */
mtdcr (uic2vr, 0x00000001); /* int31 highest, base=0x000 */
mtdcr (uic2sr, 0xffffffff); /* clear all */
- mtdcr (uicb0sr, 0xfc000000); /* clear all */
- mtdcr (uicb0er, 0x00000000); /* disable all */
- mtdcr (uicb0cr, 0x00000000); /* all non-critical */
- mtdcr (uicb0pr, 0xfc000000); /* */
- mtdcr (uicb0tr, 0x00000000); /* */
- mtdcr (uicb0vr, 0x00000001); /* */
+ mtdcr (uic3sr, 0xffffffff); /* clear all */
+ mtdcr (uic3er, 0x00000000); /* disable all */
+ mtdcr (uic3cr, 0x00000000); /* all non-critical */
+ mtdcr (uic3pr, 0xffffffff); /* per ref-board manual */
+ mtdcr (uic3tr, 0x00ff8c0f); /* per ref-board manual */
+ mtdcr (uic3vr, 0x00000001); /* int31 highest, base=0x000 */
+ mtdcr (uic3sr, 0xffffffff); /* clear all */
+
+ mtdcr (uic0sr, 0xfc000000); /* clear all */
+ mtdcr (uic0er, 0x00000000); /* disable all */
+ mtdcr (uic0cr, 0x00000000); /* all non-critical */
+ mtdcr (uic0pr, 0xfc000000); /* */
+ mtdcr (uic0tr, 0x00000000); /* */
+ mtdcr (uic0vr, 0x00000001); /* */
/* Enable two GPIO 10~11 and TraceA signal */
mfsdr(sdr_pfc0,reg);
diff --git a/board/prodrive/alpr/alpr.c b/board/prodrive/alpr/alpr.c
index 131a62dd6..cc491d05b 100644
--- a/board/prodrive/alpr/alpr.c
+++ b/board/prodrive/alpr/alpr.c
@@ -48,36 +48,48 @@ int board_early_init_f (void)
/*--------------------------------------------------------------------
* Setup the interrupt controller polarities, triggers, etc.
*-------------------------------------------------------------------*/
- mtdcr (uic0sr, 0xffffffff); /* clear all */
- mtdcr (uic0er, 0x00000000); /* disable all */
- mtdcr (uic0cr, 0x00000009); /* SMI & UIC1 crit are critical */
- mtdcr (uic0pr, 0xfffffe03); /* per manual */
- mtdcr (uic0tr, 0x01c00000); /* per manual */
- mtdcr (uic0vr, 0x00000001); /* int31 highest, base=0x000 */
- mtdcr (uic0sr, 0xffffffff); /* clear all */
-
+ /*
+ * Because of the interrupt handling rework to handle 440GX interrupts
+ * with the common code, we needed to change names of the UIC registers.
+ * Here the new relationship:
+ *
+ * U-Boot name 440GX name
+ * -----------------------
+ * UIC0 UICB0
+ * UIC1 UIC0
+ * UIC2 UIC1
+ * UIC3 UIC2
+ */
mtdcr (uic1sr, 0xffffffff); /* clear all */
mtdcr (uic1er, 0x00000000); /* disable all */
- mtdcr (uic1cr, 0x00000000); /* all non-critical */
- mtdcr (uic1pr, 0xffffe0ff); /* per ref-board manual */
- mtdcr (uic1tr, 0x00ffc000); /* per ref-board manual */
+ mtdcr (uic1cr, 0x00000009); /* SMI & UIC1 crit are critical */
+ mtdcr (uic1pr, 0xfffffe03); /* per manual */
+ mtdcr (uic1tr, 0x01c00000); /* per manual */
mtdcr (uic1vr, 0x00000001); /* int31 highest, base=0x000 */
mtdcr (uic1sr, 0xffffffff); /* clear all */
mtdcr (uic2sr, 0xffffffff); /* clear all */
mtdcr (uic2er, 0x00000000); /* disable all */
mtdcr (uic2cr, 0x00000000); /* all non-critical */
- mtdcr (uic2pr, 0xffffffff); /* per ref-board manual */
- mtdcr (uic2tr, 0x00ff8c0f); /* per ref-board manual */
+ mtdcr (uic2pr, 0xffffe0ff); /* per ref-board manual */
+ mtdcr (uic2tr, 0x00ffc000); /* per ref-board manual */
mtdcr (uic2vr, 0x00000001); /* int31 highest, base=0x000 */
mtdcr (uic2sr, 0xffffffff); /* clear all */
- mtdcr (uicb0sr, 0xfc000000); /* clear all */
- mtdcr (uicb0er, 0x00000000); /* disable all */
- mtdcr (uicb0cr, 0x00000000); /* all non-critical */
- mtdcr (uicb0pr, 0xfc000000); /* */
- mtdcr (uicb0tr, 0x00000000); /* */
- mtdcr (uicb0vr, 0x00000001); /* */
+ mtdcr (uic3sr, 0xffffffff); /* clear all */
+ mtdcr (uic3er, 0x00000000); /* disable all */
+ mtdcr (uic3cr, 0x00000000); /* all non-critical */
+ mtdcr (uic3pr, 0xffffffff); /* per ref-board manual */
+ mtdcr (uic3tr, 0x00ff8c0f); /* per ref-board manual */
+ mtdcr (uic3vr, 0x00000001); /* int31 highest, base=0x000 */
+ mtdcr (uic3sr, 0xffffffff); /* clear all */
+
+ mtdcr (uic0sr, 0xfc000000); /* clear all */
+ mtdcr (uic0er, 0x00000000); /* disable all */
+ mtdcr (uic0cr, 0x00000000); /* all non-critical */
+ mtdcr (uic0pr, 0xfc000000); /* */
+ mtdcr (uic0tr, 0x00000000); /* */
+ mtdcr (uic0vr, 0x00000001); /* */
/* Setup shutdown/SSD empty interrupt as inputs */
out32(GPIO0_TCR, in32(GPIO0_TCR) & ~(CFG_GPIO_SHUTDOWN | CFG_GPIO_SSD_EMPTY));
diff --git a/board/sandburst/karef/karef.c b/board/sandburst/karef/karef.c
index 2d71d3b2c..72ce97635 100644
--- a/board/sandburst/karef/karef.c
+++ b/board/sandburst/karef/karef.c
@@ -195,36 +195,48 @@ int board_early_init_f (void)
/*--------------------------------------------------------------------+
* Setup the interrupt controller polarities, triggers, etc.
+-------------------------------------------------------------------*/
- mtdcr (uic0sr, 0xffffffff); /* clear all */
- mtdcr (uic0er, 0x00000000); /* disable all */
- mtdcr (uic0cr, 0x00000000); /* all non- critical */
- mtdcr (uic0pr, 0xfffffe03); /* polarity */
- mtdcr (uic0tr, 0x01c00000); /* trigger edge vs level */
- mtdcr (uic0vr, 0x00000001); /* int31 highest, base=0x000 */
- mtdcr (uic0sr, 0xffffffff); /* clear all */
-
+ /*
+ * Because of the interrupt handling rework to handle 440GX interrupts
+ * with the common code, we needed to change names of the UIC registers.
+ * Here the new relationship:
+ *
+ * U-Boot name 440GX name
+ * -----------------------
+ * UIC0 UICB0
+ * UIC1 UIC0
+ * UIC2 UIC1
+ * UIC3 UIC2
+ */
mtdcr (uic1sr, 0xffffffff); /* clear all */
mtdcr (uic1er, 0x00000000); /* disable all */
- mtdcr (uic1cr, 0x00000000); /* all non-critical */
- mtdcr (uic1pr, 0xffffc8ff); /* polarity */
- mtdcr (uic1tr, 0x00ff0000); /* trigger edge vs level */
+ mtdcr (uic1cr, 0x00000000); /* all non- critical */
+ mtdcr (uic1pr, 0xfffffe03); /* polarity */
+ mtdcr (uic1tr, 0x01c00000); /* trigger edge vs level */
mtdcr (uic1vr, 0x00000001); /* int31 highest, base=0x000 */
mtdcr (uic1sr, 0xffffffff); /* clear all */
mtdcr (uic2sr, 0xffffffff); /* clear all */
mtdcr (uic2er, 0x00000000); /* disable all */
mtdcr (uic2cr, 0x00000000); /* all non-critical */
- mtdcr (uic2pr, 0xffff83ff); /* polarity */
- mtdcr (uic2tr, 0x00ff8c0f); /* trigger edge vs level */
+ mtdcr (uic2pr, 0xffffc8ff); /* polarity */
+ mtdcr (uic2tr, 0x00ff0000); /* trigger edge vs level */
mtdcr (uic2vr, 0x00000001); /* int31 highest, base=0x000 */
mtdcr (uic2sr, 0xffffffff); /* clear all */
- mtdcr (uicb0sr, 0xfc000000); /* clear all */
- mtdcr (uicb0er, 0x00000000); /* disable all */
- mtdcr (uicb0cr, 0x00000000); /* all non-critical */
- mtdcr (uicb0pr, 0xfc000000);
- mtdcr (uicb0tr, 0x00000000);
- mtdcr (uicb0vr, 0x00000001);
+ mtdcr (uic3sr, 0xffffffff); /* clear all */
+ mtdcr (uic3er, 0x00000000); /* disable all */
+ mtdcr (uic3cr, 0x00000000); /* all non-critical */
+ mtdcr (uic3pr, 0xffff83ff); /* polarity */
+ mtdcr (uic3tr, 0x00ff8c0f); /* trigger edge vs level */
+ mtdcr (uic3vr, 0x00000001); /* int31 highest, base=0x000 */
+ mtdcr (uic3sr, 0xffffffff); /* clear all */
+
+ mtdcr (uic0sr, 0xfc000000); /* clear all */
+ mtdcr (uic0er, 0x00000000); /* disable all */
+ mtdcr (uic0cr, 0x00000000); /* all non-critical */
+ mtdcr (uic0pr, 0xfc000000);
+ mtdcr (uic0tr, 0x00000000);
+ mtdcr (uic0vr, 0x00000001);
fpga_init();
diff --git a/board/sandburst/metrobox/metrobox.c b/board/sandburst/metrobox/metrobox.c
index 97049013e..63c91dc59 100644
--- a/board/sandburst/metrobox/metrobox.c
+++ b/board/sandburst/metrobox/metrobox.c
@@ -185,36 +185,48 @@ int board_early_init_f (void)
/*--------------------------------------------------------------------+
* Setup the interrupt controller polarities, triggers, etc.
+-------------------------------------------------------------------*/
- mtdcr (uic0sr, 0xffffffff); /* clear all */
- mtdcr (uic0er, 0x00000000); /* disable all */
- mtdcr (uic0cr, 0x00000000); /* all non- critical */
- mtdcr (uic0pr, 0xfffffe03); /* polarity */
- mtdcr (uic0tr, 0x01c00000); /* trigger edge vs level */
- mtdcr (uic0vr, 0x00000001); /* int31 highest, base=0x000 */
- mtdcr (uic0sr, 0xffffffff); /* clear all */
-
+ /*
+ * Because of the interrupt handling rework to handle 440GX interrupts
+ * with the common code, we needed to change names of the UIC registers.
+ * Here the new relationship:
+ *
+ * U-Boot name 440GX name
+ * -----------------------
+ * UIC0 UICB0
+ * UIC1 UIC0
+ * UIC2 UIC1
+ * UIC3 UIC2
+ */
mtdcr (uic1sr, 0xffffffff); /* clear all */
mtdcr (uic1er, 0x00000000); /* disable all */
- mtdcr (uic1cr, 0x00000000); /* all non-critical */
- mtdcr (uic1pr, 0xffffc8ff); /* polarity */
- mtdcr (uic1tr, 0x00ff0000); /* trigger edge vs level */
+ mtdcr (uic1cr, 0x00000000); /* all non- critical */
+ mtdcr (uic1pr, 0xfffffe03); /* polarity */
+ mtdcr (uic1tr, 0x01c00000); /* trigger edge vs level */
mtdcr (uic1vr, 0x00000001); /* int31 highest, base=0x000 */
mtdcr (uic1sr, 0xffffffff); /* clear all */
mtdcr (uic2sr, 0xffffffff); /* clear all */
mtdcr (uic2er, 0x00000000); /* disable all */
mtdcr (uic2cr, 0x00000000); /* all non-critical */
- mtdcr (uic2pr, 0xffff83ff); /* polarity */
- mtdcr (uic2tr, 0x00ff8c0f); /* trigger edge vs level */
+ mtdcr (uic2pr, 0xffffc8ff); /* polarity */
+ mtdcr (uic2tr, 0x00ff0000); /* trigger edge vs level */
mtdcr (uic2vr, 0x00000001); /* int31 highest, base=0x000 */
mtdcr (uic2sr, 0xffffffff); /* clear all */
- mtdcr (uicb0sr, 0xfc000000); /* clear all */
- mtdcr (uicb0er, 0x00000000); /* disable all */
- mtdcr (uicb0cr, 0x00000000); /* all non-critical */
- mtdcr (uicb0pr, 0xfc000000);
- mtdcr (uicb0tr, 0x00000000);
- mtdcr (uicb0vr, 0x00000001);
+ mtdcr (uic3sr, 0xffffffff); /* clear all */
+ mtdcr (uic3er, 0x00000000); /* disable all */
+ mtdcr (uic3cr, 0x00000000); /* all non-critical */
+ mtdcr (uic3pr, 0xffff83ff); /* polarity */
+ mtdcr (uic3tr, 0x00ff8c0f); /* trigger edge vs level */
+ mtdcr (uic3vr, 0x00000001); /* int31 highest, base=0x000 */
+ mtdcr (uic3sr, 0xffffffff); /* clear all */
+
+ mtdcr (uic0sr, 0xfc000000); /* clear all */
+ mtdcr (uic0er, 0x00000000); /* disable all */
+ mtdcr (uic0cr, 0x00000000); /* all non-critical */
+ mtdcr (uic0pr, 0xfc000000);
+ mtdcr (uic0tr, 0x00000000);
+ mtdcr (uic0vr, 0x00000001);
fpga_init();
diff --git a/board/xpedite1k/xpedite1k.c b/board/xpedite1k/xpedite1k.c
index bc7e3bd17..c94a345d9 100644
--- a/board/xpedite1k/xpedite1k.c
+++ b/board/xpedite1k/xpedite1k.c
@@ -59,36 +59,48 @@ int board_early_init_f(void)
/*--------------------------------------------------------------------
* Setup the interrupt controller polarities, triggers, etc.
*-------------------------------------------------------------------*/
- mtdcr (uic0sr, 0xffffffff); /* clear all */
- mtdcr (uic0er, 0x00000000); /* disable all */
- mtdcr (uic0cr, 0x00000003); /* SMI & UIC1 crit are critical */
- mtdcr (uic0pr, 0xfffffe00); /* per ref-board manual */
- mtdcr (uic0tr, 0x01c00000); /* per ref-board manual */
- mtdcr (uic0vr, 0x00000001); /* int31 highest, base=0x000 */
- mtdcr (uic0sr, 0xffffffff); /* clear all */
-
+ /*
+ * Because of the interrupt handling rework to handle 440GX interrupts
+ * with the common code, we needed to change names of the UIC registers.
+ * Here the new relationship:
+ *
+ * U-Boot name 440GX name
+ * -----------------------
+ * UIC0 UICB0
+ * UIC1 UIC0
+ * UIC2 UIC1
+ * UIC3 UIC2
+ */
mtdcr (uic1sr, 0xffffffff); /* clear all */
mtdcr (uic1er, 0x00000000); /* disable all */
- mtdcr (uic1cr, 0x00000000); /* all non-critical */
- mtdcr (uic1pr, 0xffffc0ff); /* per ref-board manual */
- mtdcr (uic1tr, 0x00ff8000); /* per ref-board manual */
+ mtdcr (uic1cr, 0x00000003); /* SMI & UIC1 crit are critical */
+ mtdcr (uic1pr, 0xfffffe00); /* per ref-board manual */
+ mtdcr (uic1tr, 0x01c00000); /* per ref-board manual */
mtdcr (uic1vr, 0x00000001); /* int31 highest, base=0x000 */
mtdcr (uic1sr, 0xffffffff); /* clear all */
mtdcr (uic2sr, 0xffffffff); /* clear all */
mtdcr (uic2er, 0x00000000); /* disable all */
mtdcr (uic2cr, 0x00000000); /* all non-critical */
- mtdcr (uic2pr, 0xffffffff); /* per ref-board manual */
- mtdcr (uic2tr, 0x00ff8c0f); /* per ref-board manual */
+ mtdcr (uic2pr, 0xffffc0ff); /* per ref-board manual */
+ mtdcr (uic2tr, 0x00ff8000); /* per ref-board manual */
mtdcr (uic2vr, 0x00000001); /* int31 highest, base=0x000 */
mtdcr (uic2sr, 0xffffffff); /* clear all */
- mtdcr (uicb0sr, 0xfc000000); /* clear all */
- mtdcr (uicb0er, 0x00000000); /* disable all */
- mtdcr (uicb0cr, 0x00000000); /* all non-critical */
- mtdcr (uicb0pr, 0xfc000000); /* */
- mtdcr (uicb0tr, 0x00000000); /* */
- mtdcr (uicb0vr, 0x00000001); /* */
+ mtdcr (uic3sr, 0xffffffff); /* clear all */
+ mtdcr (uic3er, 0x00000000); /* disable all */
+ mtdcr (uic3cr, 0x00000000); /* all non-critical */
+ mtdcr (uic3pr, 0xffffffff); /* per ref-board manual */
+ mtdcr (uic3tr, 0x00ff8c0f); /* per ref-board manual */
+ mtdcr (uic3vr, 0x00000001); /* int31 highest, base=0x000 */
+ mtdcr (uic3sr, 0xffffffff); /* clear all */
+
+ mtdcr (uic0sr, 0xfc000000); /* clear all */
+ mtdcr (uic0er, 0x00000000); /* disable all */
+ mtdcr (uic0cr, 0x00000000); /* all non-critical */
+ mtdcr (uic0pr, 0xfc000000); /* */
+ mtdcr (uic0tr, 0x00000000); /* */
+ mtdcr (uic0vr, 0x00000001); /* */
LED0_ON();
diff --git a/cpu/ppc4xx/4xx_enet.c b/cpu/ppc4xx/4xx_enet.c
index 01712b056..8a3833513 100644
--- a/cpu/ppc4xx/4xx_enet.c
+++ b/cpu/ppc4xx/4xx_enet.c
@@ -169,12 +169,15 @@
* UIC. Only exception is 440GX where the EMAC interrupts are
* spread over two UIC's!
*/
+#if defined(CONFIG_440GX)
+#define UIC_BASE_MAL UIC1_DCR_BASE
+#define UIC_BASE_MAL_ERR UIC2_DCR_BASE
+#define UIC_BASE_EMAC UIC2_DCR_BASE
+#define UIC_BASE_EMAC_B UIC3_DCR_BASE
+#else
#define UIC_BASE_MAL (UIC0_DCR_BASE + (UIC_NR(VECNUM_MAL_TXEOB) * 0x10))
#define UIC_BASE_MAL_ERR (UIC0_DCR_BASE + (UIC_NR(VECNUM_MAL_SERR) * 0x10))
#define UIC_BASE_EMAC (UIC0_DCR_BASE + (UIC_NR(ETH_IRQ_NUM(0)) * 0x10))
-#if defined(CONFIG_440GX)
-#define UIC_BASE_EMAC_B (UIC0_DCR_BASE + (UIC_NR(ETH_IRQ_NUM(2)) * 0x10))
-#else
#define UIC_BASE_EMAC_B (UIC0_DCR_BASE + (UIC_NR(ETH_IRQ_NUM(0)) * 0x10))
#endif
diff --git a/cpu/ppc4xx/cpu_init.c b/cpu/ppc4xx/cpu_init.c
index ac6427905..e2d040278 100644
--- a/cpu/ppc4xx/cpu_init.c
+++ b/cpu/ppc4xx/cpu_init.c
@@ -138,9 +138,10 @@ void reconfigure_pll(u32 new_cpu_freq)
void
cpu_init_f (void)
{
-#if defined(CONFIG_WATCHDOG) || defined(CONFIG_460EX)
+#if defined(CONFIG_WATCHDOG) || defined(CONFIG_440GX) || defined(CONFIG_460EX)
u32 val;
#endif
+
reconfigure_pll(CFG_PLL_RECONFIG);
#if (defined(CONFIG_405EP) || defined (CONFIG_405EX)) && !defined(CFG_4xx_GPIO_TABLE)
@@ -273,6 +274,18 @@ cpu_init_f (void)
reset_4xx_watchdog();
#endif /* CONFIG_WATCHDOG */
+#if defined(CONFIG_440GX)
+ /* Take the GX out of compatibility mode
+ * Travis Sawyer, 9 Mar 2004
+ * NOTE: 440gx user manual inconsistency here
+ * Compatibility mode and Ethernet Clock select are not
+ * correct in the manual
+ */
+ mfsdr(sdr_mfr, val);
+ val &= ~0x10000000;
+ mtsdr(sdr_mfr,val);
+#endif /* CONFIG_440GX */
+
#if defined(CONFIG_460EX)
/*
* Set SDR0_AHB_CFG[A2P_INCR4] (bit 24) and
diff --git a/cpu/ppc4xx/interrupts.c b/cpu/ppc4xx/interrupts.c
index 6dbd6d281..8215dc652 100644
--- a/cpu/ppc4xx/interrupts.c
+++ b/cpu/ppc4xx/interrupts.c
@@ -40,14 +40,8 @@
UIC_MASK(VECNUM_UIC2CI) | UIC_MASK(VECNUM_UIC2NCI) | \
UIC_MASK(VECNUM_UIC3CI) | UIC_MASK(VECNUM_UIC3NCI))
#elif (UIC_MAX > 2)
-#if defined(CONFIG_440GX)
-#define UICB0_ALL (UIC_MASK(VECNUM_UIC0CI) | UIC_MASK(VECNUM_UIC0NCI) | \
- UIC_MASK(VECNUM_UIC1CI) | UIC_MASK(VECNUM_UIC1NCI) | \
- UIC_MASK(VECNUM_UIC2CI) | UIC_MASK(VECNUM_UIC2NCI))
-#else
#define UICB0_ALL (UIC_MASK(VECNUM_UIC1CI) | UIC_MASK(VECNUM_UIC1NCI) | \
UIC_MASK(VECNUM_UIC2CI) | UIC_MASK(VECNUM_UIC2NCI))
-#endif
#elif (UIC_MAX > 1)
#define UICB0_ALL (UIC_MASK(VECNUM_UIC1CI) | UIC_MASK(VECNUM_UIC1NCI))
#else
@@ -70,10 +64,6 @@ static struct irq_action irq_vecs[UIC_MAX * 32];
u32 get_dcr(u16);
void set_dcr(u16, u32);
-#if (UIC_MAX > 1) && !defined(CONFIG_440GX)
-static void uic_cascade_interrupt(void *para);
-#endif
-
#if defined(CONFIG_440)
/* SPRN changed in 440 */
@@ -157,42 +147,19 @@ int interrupt_init_cpu (unsigned *decrementer_count)
*/
set_evpr(0x00000000);
-#if !defined(CONFIG_440GX)
#if (UIC_MAX > 1)
/* Install the UIC1 handlers */
- irq_install_handler(VECNUM_UIC1NCI, uic_cascade_interrupt, 0);
- irq_install_handler(VECNUM_UIC1CI, uic_cascade_interrupt, 0);
+ irq_install_handler(VECNUM_UIC1NCI, (void *)(void *)external_interrupt, 0);
+ irq_install_handler(VECNUM_UIC1CI, (void *)(void *)external_interrupt, 0);
#endif
#if (UIC_MAX > 2)
- irq_install_handler(VECNUM_UIC2NCI, uic_cascade_interrupt, 0);
- irq_install_handler(VECNUM_UIC2CI, uic_cascade_interrupt, 0);
+ irq_install_handler(VECNUM_UIC2NCI, (void *)(void *)external_interrupt, 0);
+ irq_install_handler(VECNUM_UIC2CI, (void *)(void *)external_interrupt, 0);
#endif
#if (UIC_MAX > 3)
- irq_install_handler(VECNUM_UIC3NCI, uic_cascade_interrupt, 0);
- irq_install_handler(VECNUM_UIC3CI, uic_cascade_interrupt, 0);
+ irq_install_handler(VECNUM_UIC3NCI, (void *)(void *)external_interrupt, 0);
+ irq_install_handler(VECNUM_UIC3CI, (void *)(void *)external_interrupt, 0);
#endif
-#else /* !defined(CONFIG_440GX) */
- /*
- * ToDo: Remove this 440GX special handling:
- * Move SDR0_MFR setup to cpu.c and use common code with UICB0
- * on 440GX. 2008-06-26, sr
- */
- /* Take the GX out of compatibility mode
- * Travis Sawyer, 9 Mar 2004
- * NOTE: 440gx user manual inconsistency here
- * Compatibility mode and Ethernet Clock select are not
- * correct in the manual
- */
- mfsdr(sdr_mfr, val);
- val &= ~0x10000000;
- mtsdr(sdr_mfr,val);
-
- /* Enable UIC interrupts via UIC Base Enable Register */
- mtdcr(uicb0sr, UICB0_ALL);
- mtdcr(uicb0er, UICB0_ALL);
- /* None are critical */
- mtdcr(uicb0cr, 0);
-#endif /* !defined(CONFIG_440GX) */
return (0);
}
@@ -243,22 +210,6 @@ static void uic_interrupt(u32 uic_base, int vec_base)
}
}
-#if (UIC_MAX > 1) && !defined(CONFIG_440GX)
-static void uic_cascade_interrupt(void *para)
-{
- external_interrupt(para);
-}
-#endif
-
-#if defined(CONFIG_440GX)
-/* 440GX uses base uic register */
-#define UIC_BMSR uicb0msr
-#define UIC_BSR uicb0sr
-#else
-#define UIC_BMSR uic0msr
-#define UIC_BSR uic0sr
-#endif
-
/*
* Handle external interrupts
*/
@@ -269,7 +220,7 @@ void external_interrupt(struct pt_regs *regs)
/*
* Read masked interrupt status register to determine interrupt source
*/
- uic_msr = mfdcr(UIC_BMSR);
+ uic_msr = mfdcr(uic0msr);
#if (UIC_MAX > 1)
if ((UIC_MASK(VECNUM_UIC1CI) & uic_msr) ||
@@ -289,20 +240,10 @@ void external_interrupt(struct pt_regs *regs)
uic_interrupt(UIC3_DCR_BASE, 96);
#endif
-#if defined(CONFIG_440)
-#if !defined(CONFIG_440GX)
if (uic_msr & ~(UICB0_ALL))
uic_interrupt(UIC0_DCR_BASE, 0);
-#else
- if ((UIC_MASK(VECNUM_UIC0CI) & uic_msr) ||
- (UIC_MASK(VECNUM_UIC0NCI) & uic_msr))
- uic_interrupt(UIC0_DCR_BASE, 0);
-#endif
-#else /* CONFIG_440 */
- uic_interrupt(UIC0_DCR_BASE, 0);
-#endif /* CONFIG_440 */
- mtdcr(UIC_BSR, uic_msr);
+ mtdcr(uic0sr, uic_msr);
return;
}
@@ -312,8 +253,6 @@ void external_interrupt(struct pt_regs *regs)
*/
void irq_install_handler(int vec, interrupt_handler_t * handler, void *arg)
{
- int i;
-
/*
* Print warning when replacing with a different irq vector
*/
@@ -324,20 +263,19 @@ void irq_install_handler(int vec, interrupt_handler_t * handler, void *arg)
irq_vecs[vec].handler = handler;
irq_vecs[vec].arg = arg;
- i = vec & 0x1f;
if ((vec >= 0) && (vec < 32))
- mtdcr(uicer, mfdcr(uicer) | (0x80000000 >> i));
+ mtdcr(uicer, mfdcr(uicer) | UIC_MASK(vec));
#if (UIC_MAX > 1)
else if ((vec >= 32) && (vec < 64))
- mtdcr(uic1er, mfdcr(uic1er) | (0x80000000 >> i));
+ mtdcr(uic1er, mfdcr(uic1er) | UIC_MASK(vec));
#endif
#if (UIC_MAX > 2)
else if ((vec >= 64) && (vec < 96))
- mtdcr(uic2er, mfdcr(uic2er) | (0x80000000 >> i));
+ mtdcr(uic2er, mfdcr(uic2er) | UIC_MASK(vec));
#endif
#if (UIC_MAX > 3)
else if (vec >= 96)
- mtdcr(uic3er, mfdcr(uic3er) | (0x80000000 >> i));
+ mtdcr(uic3er, mfdcr(uic3er) | UIC_MASK(vec));
#endif
debug("Install interrupt for vector %d ==> %p\n", vec, handler);
@@ -345,25 +283,22 @@ void irq_install_handler(int vec, interrupt_handler_t * handler, void *arg)
void irq_free_handler (int vec)
{
- int i;
-
debug("Free interrupt for vector %d ==> %p\n",
vec, irq_vecs[vec].handler);
- i = vec & 0x1f;
if ((vec >= 0) && (vec < 32))
- mtdcr(uicer, mfdcr(uicer) & ~(0x80000000 >> i));
+ mtdcr(uicer, mfdcr(uicer) & ~UIC_MASK(vec));
#if (UIC_MAX > 1)
else if ((vec >= 32) && (vec < 64))
- mtdcr(uic1er, mfdcr(uic1er) & ~(0x80000000 >> i));
+ mtdcr(uic1er, mfdcr(uic1er) & ~UIC_MASK(vec));
#endif
#if (UIC_MAX > 2)
else if ((vec >= 64) && (vec < 96))
- mtdcr(uic2er, mfdcr(uic2er) & ~(0x80000000 >> i));
+ mtdcr(uic2er, mfdcr(uic2er) & ~UIC_MASK(vec));
#endif
#if (UIC_MAX > 3)
else if (vec >= 96)
- mtdcr(uic3er, mfdcr(uic3er) & ~(0x80000000 >> i));
+ mtdcr(uic3er, mfdcr(uic3er) & ~UIC_MASK(vec));
#endif
irq_vecs[vec].handler = NULL;
diff --git a/include/asm-ppc/ppc4xx-uic.h b/include/asm-ppc/ppc4xx-uic.h
index b596f0edf..eeaaa493e 100644
--- a/include/asm-ppc/ppc4xx-uic.h
+++ b/include/asm-ppc/ppc4xx-uic.h
@@ -29,11 +29,10 @@
/*
* Define the number of UIC's
*/
-#if defined(CONFIG_440SPE) || \
+#if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \
defined(CONFIG_460EX) || defined(CONFIG_460GT)
#define UIC_MAX 4
-#elif defined(CONFIG_440GX) || \
- defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+#elif defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
defined(CONFIG_405EX)
#define UIC_MAX 3
#elif defined(CONFIG_440GP) || defined(CONFIG_440SP) || \
@@ -55,7 +54,23 @@
#define UIC_VR 0x7 /* UIC vector */
#define UIC_VCR 0x8 /* UIC vector configuration */
+/*
+ * On 440GX we use the UICB0 as UIC0. Its the root UIC where all other UIC's
+ * are cascaded on. With this trick we can use the common UIC code for 440GX
+ * too.
+ */
+#if defined(CONFIG_440GX)
+#define UIC0_DCR_BASE 0x200
+#define UIC1_DCR_BASE 0xc0
+#define UIC2_DCR_BASE 0xd0
+#define UIC3_DCR_BASE 0x210
+#else
#define UIC0_DCR_BASE 0xc0
+#define UIC1_DCR_BASE 0xd0
+#define UIC2_DCR_BASE 0xe0
+#define UIC3_DCR_BASE 0xf0
+#endif
+
#define uic0sr (UIC0_DCR_BASE+0x0) /* UIC0 status */
#define uic0er (UIC0_DCR_BASE+0x2) /* UIC0 enable */
#define uic0cr (UIC0_DCR_BASE+0x3) /* UIC0 critical */
@@ -65,7 +80,6 @@
#define uic0vr (UIC0_DCR_BASE+0x7) /* UIC0 vector */
#define uic0vcr (UIC0_DCR_BASE+0x8) /* UIC0 vector configuration */
-#define UIC1_DCR_BASE 0xd0
#define uic1sr (UIC1_DCR_BASE+0x0) /* UIC1 status */
#define uic1er (UIC1_DCR_BASE+0x2) /* UIC1 enable */
#define uic1cr (UIC1_DCR_BASE+0x3) /* UIC1 critical */
@@ -75,11 +89,6 @@
#define uic1vr (UIC1_DCR_BASE+0x7) /* UIC1 vector */
#define uic1vcr (UIC1_DCR_BASE+0x8) /* UIC1 vector configuration */
-#if defined(CONFIG_440GX)
-#define UIC2_DCR_BASE 0x210
-#else
-#define UIC2_DCR_BASE 0xe0
-#endif
#define uic2sr (UIC2_DCR_BASE+0x0) /* UIC2 status-Read Clear */
#define uic2srs (UIC2_DCR_BASE+0x1) /* UIC2 status-Read Set */
#define uic2er (UIC2_DCR_BASE+0x2) /* UIC2 enable */
@@ -90,7 +99,6 @@
#define uic2vr (UIC2_DCR_BASE+0x7) /* UIC2 vector */
#define uic2vcr (UIC2_DCR_BASE+0x8) /* UIC2 vector configuration */
-#define UIC3_DCR_BASE 0xf0
#define uic3sr (UIC3_DCR_BASE+0x0) /* UIC3 status-Read Clear */
#define uic3srs (UIC3_DCR_BASE+0x1) /* UIC3 status-Read Set */
#define uic3er (UIC3_DCR_BASE+0x2) /* UIC3 enable */
@@ -101,27 +109,15 @@
#define uic3vr (UIC3_DCR_BASE+0x7) /* UIC3 vector */
#define uic3vcr (UIC3_DCR_BASE+0x8) /* UIC3 vector configuration */
-#if defined(CONFIG_440GX)
-#define UIC_DCR_BASE 0x200
-#define uicb0sr (UIC_DCR_BASE+0x0) /* UIC Base Status Register */
-#define uicb0er (UIC_DCR_BASE+0x2) /* UIC Base enable */
-#define uicb0cr (UIC_DCR_BASE+0x3) /* UIC Base critical */
-#define uicb0pr (UIC_DCR_BASE+0x4) /* UIC Base polarity */
-#define uicb0tr (UIC_DCR_BASE+0x5) /* UIC Base triggering */
-#define uicb0msr (UIC_DCR_BASE+0x6) /* UIC Base masked status */
-#define uicb0vr (UIC_DCR_BASE+0x7) /* UIC Base vector */
-#define uicb0vcr (UIC_DCR_BASE+0x8) /* UIC Base vector configuration*/
-#endif /* CONFIG_440GX */
-
/* The following is for compatibility with 405 code */
-#define uicsr uic0sr
-#define uicer uic0er
-#define uiccr uic0cr
-#define uicpr uic0pr
-#define uictr uic0tr
-#define uicmsr uic0msr
-#define uicvr uic0vr
-#define uicvcr uic0vcr
+#define uicsr uic0sr
+#define uicer uic0er
+#define uiccr uic0cr
+#define uicpr uic0pr
+#define uictr uic0tr
+#define uicmsr uic0msr
+#define uicvr uic0vr
+#define uicvcr uic0vcr
/*
* Now the interrupt vector definitions. They are different for most of
@@ -188,24 +184,28 @@
#endif /* CONFIG_440GP */
#if defined(CONFIG_440GX)
-/* UIC 0 */
-#define VECNUM_MAL_TXEOB 10
-#define VECNUM_MAL_RXEOB 11
+/* UICB 0 (440GX only) */
+/*
+ * All those defines below are off-by-one, so that the common UIC code
+ * can be used. So VECNUM_UIC1CI refers to VECNUM_UIC0CI etc.
+ */
+#define VECNUM_UIC1CI 0
+#define VECNUM_UIC1NCI 1
+#define VECNUM_UIC2CI 2
+#define VECNUM_UIC2NCI 3
+#define VECNUM_UIC3CI 4
+#define VECNUM_UIC3NCI 5
-/* UIC 1 */
-#define VECNUM_MAL_SERR (32 + 0)
-#define VECNUM_MAL_TXDE (32 + 1)
-#define VECNUM_MAL_RXDE (32 + 2)
-#define VECNUM_ETH0 (32 + 28)
-#define VECNUM_ETH1_OFFS 2
+/* UIC 0, used as UIC1 on 440GX because of UICB0 */
+#define VECNUM_MAL_TXEOB (32 + 10)
+#define VECNUM_MAL_RXEOB (32 + 11)
-/* UICB 0 (440GX only) */
-#define VECNUM_UIC0CI 0
-#define VECNUM_UIC0NCI 1
-#define VECNUM_UIC1CI 2
-#define VECNUM_UIC1NCI 3
-#define VECNUM_UIC2CI 4
-#define VECNUM_UIC2NCI 5
+/* UIC 1, used as UIC2 on 440GX because of UICB0 */
+#define VECNUM_MAL_SERR (64 + 0)
+#define VECNUM_MAL_TXDE (64 + 1)
+#define VECNUM_MAL_RXDE (64 + 2)
+#define VECNUM_ETH0 (64 + 28)
+#define VECNUM_ETH1_OFFS 2
#endif /* CONFIG_440GX */
#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
@@ -288,6 +288,7 @@
* Mask definitions (used for example in 4xx_enet.c)
*/
#define UIC_MASK(vec) (0x80000000 >> ((vec) & 0x1f))
+/* UIC_NR won't work for 440GX because of its specific UIC DCR addresses */
#define UIC_NR(vec) ((vec) >> 5)
#endif /* _PPC4xx_UIC_H_ */
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 02:30:57 +0000