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@@ -28,28 +28,28 @@
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#include <pci.h>
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#include <pci.h>
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#include <mpc8260.h>
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#include <mpc8260.h>
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#include <asm/m8260_pci.h>
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#include <asm/m8260_pci.h>
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-
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+#include <asm/io.h>
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/*
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/*
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- * Local->PCI map (from CPU) controlled by
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+ * Local->PCI map (from CPU) controlled by
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* MPC826x master window
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* MPC826x master window
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*
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*
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- * 0x80000000 - 0xBFFFFFFF CPU2PCI space PCIBR0
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- * 0xF4000000 - 0xF7FFFFFF CPU2PCI space PCIBR1
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+ * 0x80000000 - 0xBFFFFFFF CPU2PCI space PCIBR0
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+ * 0xF4000000 - 0xF7FFFFFF CPU2PCI space PCIBR1
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*
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*
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- * 0x80000000 - 0x9FFFFFFF 0x80000000 - 0x9FFFFFFF (Outbound ATU #1)
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- * PCI Mem with prefetch
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+ * 0x80000000 - 0x9FFFFFFF 0x80000000 - 0x9FFFFFFF (Outbound ATU #1)
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+ * PCI Mem with prefetch
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*
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*
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- * 0xA0000000 - 0xBFFFFFFF 0xA0000000 - 0xBFFFFFFF (Outbound ATU #2)
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- * PCI Mem w/o prefetch
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+ * 0xA0000000 - 0xBFFFFFFF 0xA0000000 - 0xBFFFFFFF (Outbound ATU #2)
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+ * PCI Mem w/o prefetch
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*
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*
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- * 0xF4000000 - 0xF7FFFFFF 0x00000000 - 0x03FFFFFF (Outbound ATU #3)
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- * 32-bit PCI IO
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+ * 0xF4000000 - 0xF7FFFFFF 0x00000000 - 0x03FFFFFF (Outbound ATU #3)
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+ * 32-bit PCI IO
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*
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*
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* PCI->Local map (from PCI)
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* PCI->Local map (from PCI)
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- * MPC826x slave window controlled by
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+ * MPC826x slave window controlled by
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*
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*
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- * 0x00000000 - 0x1FFFFFFF 0x00000000 - 0x1FFFFFFF (Inbound ATU #1)
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- * MPC826x local memory
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+ * 0x00000000 - 0x1FFFFFFF 0x00000000 - 0x1FFFFFFF (Inbound ATU #1)
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+ * MPC826x local memory
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*/
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*/
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/*
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/*
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@@ -58,13 +58,13 @@
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*/
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*/
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#ifndef CFG_PCI_SLV_MEM_LOCAL
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#ifndef CFG_PCI_SLV_MEM_LOCAL
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-#define PCI_SLV_MEM_LOCAL CFG_SDRAM_BASE /* Local base */
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+#define PCI_SLV_MEM_LOCAL CFG_SDRAM_BASE /* Local base */
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#else
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#else
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#define PCI_SLV_MEM_LOCAL CFG_PCI_SLV_MEM_LOCAL
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#define PCI_SLV_MEM_LOCAL CFG_PCI_SLV_MEM_LOCAL
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#endif
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#endif
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#ifndef CFG_PCI_SLV_MEM_BUS
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#ifndef CFG_PCI_SLV_MEM_BUS
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-#define PCI_SLV_MEM_BUS 0x00000000 /* PCI base */
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+#define PCI_SLV_MEM_BUS 0x00000000 /* PCI base */
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#else
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#else
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#define PCI_SLV_MEM_BUS CFG_PCI_SLV_MEM_BUS
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#define PCI_SLV_MEM_BUS CFG_PCI_SLV_MEM_BUS
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#endif
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#endif
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@@ -85,28 +85,28 @@
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/* PCIBR0 */
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/* PCIBR0 */
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#ifndef CFG_PCI_MSTR0_LOCAL
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#ifndef CFG_PCI_MSTR0_LOCAL
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-#define PCI_MSTR0_LOCAL 0x80000000 /* Local base */
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+#define PCI_MSTR0_LOCAL 0x80000000 /* Local base */
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#else
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#else
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#define PCI_MSTR0_LOCAL CFG_PCI_MSTR0_LOCAL
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#define PCI_MSTR0_LOCAL CFG_PCI_MSTR0_LOCAL
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#endif
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#endif
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#ifndef CFG_PCIMSK0_MASK
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#ifndef CFG_PCIMSK0_MASK
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-#define PCIMSK0_MASK PCIMSK_1GB /* Size of window */
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+#define PCIMSK0_MASK PCIMSK_1GB /* Size of window */
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#else
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#else
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#define PCIMSK0_MASK CFG_PCIMSK0_MASK
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#define PCIMSK0_MASK CFG_PCIMSK0_MASK
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#endif
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#endif
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/* PCIBR1 */
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/* PCIBR1 */
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#ifndef CFG_PCI_MSTR1_LOCAL
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#ifndef CFG_PCI_MSTR1_LOCAL
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-#define PCI_MSTR1_LOCAL 0xF4000000 /* Local base */
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+#define PCI_MSTR1_LOCAL 0xF4000000 /* Local base */
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#else
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#else
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#define PCI_MSTR1_LOCAL CFG_PCI_MSTR1_LOCAL
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#define PCI_MSTR1_LOCAL CFG_PCI_MSTR1_LOCAL
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#endif
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#endif
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#ifndef CFG_PCIMSK1_MASK
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#ifndef CFG_PCIMSK1_MASK
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-#define PCIMSK1_MASK PCIMSK_64MB /* Size of window */
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+#define PCIMSK1_MASK PCIMSK_64MB /* Size of window */
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#else
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#else
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-#define PCIMSK1_MASK CFG_PCIMSK1_MASK
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+#define PCIMSK1_MASK CFG_PCIMSK1_MASK
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#endif
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#endif
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/*
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/*
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@@ -116,13 +116,13 @@
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*/
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*/
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#ifndef CFG_PCI_MSTR_MEM_LOCAL
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#ifndef CFG_PCI_MSTR_MEM_LOCAL
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-#define PCI_MSTR_MEM_LOCAL 0x80000000 /* Local base */
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+#define PCI_MSTR_MEM_LOCAL 0x80000000 /* Local base */
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#else
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#else
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#define PCI_MSTR_MEM_LOCAL CFG_PCI_MSTR_MEM_LOCAL
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#define PCI_MSTR_MEM_LOCAL CFG_PCI_MSTR_MEM_LOCAL
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#endif
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#endif
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#ifndef CFG_PCI_MSTR_MEM_BUS
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#ifndef CFG_PCI_MSTR_MEM_BUS
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-#define PCI_MSTR_MEM_BUS 0x80000000 /* PCI base */
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+#define PCI_MSTR_MEM_BUS 0x80000000 /* PCI base */
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#else
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#else
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#define PCI_MSTR_MEM_BUS CFG_PCI_MSTR_MEM_BUS
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#define PCI_MSTR_MEM_BUS CFG_PCI_MSTR_MEM_BUS
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#endif
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#endif
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@@ -134,7 +134,7 @@
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#endif
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#endif
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#ifndef CFG_PCI_MSTR_MEM_SIZE
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#ifndef CFG_PCI_MSTR_MEM_SIZE
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-#define PCI_MSTR_MEM_SIZE 0x10000000 /* 256MB */
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+#define PCI_MSTR_MEM_SIZE 0x10000000 /* 256MB */
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#else
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#else
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#define PCI_MSTR_MEM_SIZE CFG_PCI_MSTR_MEM_SIZE
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#define PCI_MSTR_MEM_SIZE CFG_PCI_MSTR_MEM_SIZE
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#endif
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#endif
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@@ -152,13 +152,13 @@
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*/
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*/
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#ifndef CFG_PCI_MSTR_MEMIO_LOCAL
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#ifndef CFG_PCI_MSTR_MEMIO_LOCAL
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-#define PCI_MSTR_MEMIO_LOCAL 0x90000000 /* Local base */
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+#define PCI_MSTR_MEMIO_LOCAL 0x90000000 /* Local base */
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#else
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#else
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#define PCI_MSTR_MEMIO_LOCAL CFG_PCI_MSTR_MEMIO_LOCAL
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#define PCI_MSTR_MEMIO_LOCAL CFG_PCI_MSTR_MEMIO_LOCAL
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#endif
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#endif
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#ifndef CFG_PCI_MSTR_MEMIO_BUS
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#ifndef CFG_PCI_MSTR_MEMIO_BUS
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-#define PCI_MSTR_MEMIO_BUS 0x90000000 /* PCI base */
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+#define PCI_MSTR_MEMIO_BUS 0x90000000 /* PCI base */
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#else
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#else
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#define PCI_MSTR_MEMIO_BUS CFG_PCI_MSTR_MEMIO_BUS
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#define PCI_MSTR_MEMIO_BUS CFG_PCI_MSTR_MEMIO_BUS
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#endif
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#endif
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@@ -170,13 +170,13 @@
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#endif
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#endif
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#ifndef CFG_PCI_MSTR_MEMIO_SIZE
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#ifndef CFG_PCI_MSTR_MEMIO_SIZE
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-#define PCI_MSTR_MEMIO_SIZE 0x10000000 /* 256 MB */
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+#define PCI_MSTR_MEMIO_SIZE 0x10000000 /* 256 MB */
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#else
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#else
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#define PCI_MSTR_MEMIO_SIZE CFG_PCI_MSTR_MEMIO_SIZE
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#define PCI_MSTR_MEMIO_SIZE CFG_PCI_MSTR_MEMIO_SIZE
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#endif
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#endif
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#ifndef CFG_POCMR1_MASK_ATTRIB
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#ifndef CFG_POCMR1_MASK_ATTRIB
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-#define POCMR1_MASK_ATTRIB (POCMR_MASK_512MB | POCMR_ENABLE)
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+#define POCMR1_MASK_ATTRIB (POCMR_MASK_512MB | POCMR_ENABLE)
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#else
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#else
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#define POCMR1_MASK_ATTRIB CFG_POCMR1_MASK_ATTRIB
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#define POCMR1_MASK_ATTRIB CFG_POCMR1_MASK_ATTRIB
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#endif
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#endif
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@@ -188,13 +188,13 @@
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*/
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*/
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#ifndef CFG_PCI_MSTR_IO_LOCAL
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#ifndef CFG_PCI_MSTR_IO_LOCAL
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-#define PCI_MSTR_IO_LOCAL 0xA0000000 /* Local base */
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+#define PCI_MSTR_IO_LOCAL 0xA0000000 /* Local base */
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#else
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#else
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#define PCI_MSTR_IO_LOCAL CFG_PCI_MSTR_IO_LOCAL
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#define PCI_MSTR_IO_LOCAL CFG_PCI_MSTR_IO_LOCAL
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#endif
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#endif
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#ifndef CFG_PCI_MSTR_IO_BUS
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#ifndef CFG_PCI_MSTR_IO_BUS
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-#define PCI_MSTR_IO_BUS 0xA0000000 /* PCI base */
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+#define PCI_MSTR_IO_BUS 0xA0000000 /* PCI base */
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#else
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#else
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#define PCI_MSTR_IO_BUS CFG_PCI_MSTR_IO_BUS
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#define PCI_MSTR_IO_BUS CFG_PCI_MSTR_IO_BUS
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#endif
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#endif
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@@ -206,13 +206,13 @@
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#endif
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#endif
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#ifndef CFG_PCI_MSTR_IO_SIZE
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#ifndef CFG_PCI_MSTR_IO_SIZE
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-#define PCI_MSTR_IO_SIZE 0x10000000 /* 256MB */
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+#define PCI_MSTR_IO_SIZE 0x10000000 /* 256MB */
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#else
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#else
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#define PCI_MSTR_IO_SIZE CFG_PCI_MSTR_IO_SIZE
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#define PCI_MSTR_IO_SIZE CFG_PCI_MSTR_IO_SIZE
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#endif
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#endif
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#ifndef CFG_POCMR2_MASK_ATTRIB
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#ifndef CFG_POCMR2_MASK_ATTRIB
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-#define POCMR2_MASK_ATTRIB (POCMR_MASK_256MB | POCMR_ENABLE | POCMR_PCI_IO)
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+#define POCMR2_MASK_ATTRIB (POCMR_MASK_256MB | POCMR_ENABLE | POCMR_PCI_IO)
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#else
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#else
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#define POCMR2_MASK_ATTRIB CFG_POCMR2_MASK_ATTRIB
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#define POCMR2_MASK_ATTRIB CFG_POCMR2_MASK_ATTRIB
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#endif
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#endif
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@@ -223,193 +223,198 @@
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#define PCI_CLASS_BRIDGE_CTLR 0x06
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#define PCI_CLASS_BRIDGE_CTLR 0x06
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-static inline void pci_outl(u32 addr, u32 data)
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+static inline void pci_outl (u32 addr, u32 data)
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{
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{
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- *(volatile u32 *) addr = cpu_to_le32(data);
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+ *(volatile u32 *) addr = cpu_to_le32 (data);
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}
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}
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-void pci_mpc8250_init(struct pci_controller *hose)
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+void pci_mpc8250_init (struct pci_controller *hose)
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{
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{
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#ifdef CONFIG_MPC8266ADS
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#ifdef CONFIG_MPC8266ADS
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- DECLARE_GLOBAL_DATA_PTR;
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+ DECLARE_GLOBAL_DATA_PTR;
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#endif
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#endif
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- u16 tempShort;
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- u32 immr_addr = CFG_IMMR;
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- volatile immap_t *immap = (immap_t *) CFG_IMMR;
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- pci_dev_t host_devno = PCI_BDF(0, 0, 0);
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+ u16 tempShort;
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+
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+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
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+ pci_dev_t host_devno = PCI_BDF (0, 0, 0);
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- pci_setup_indirect(hose, CFG_IMMR + PCI_CFG_ADDR_REG,
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- CFG_IMMR + PCI_CFG_DATA_REG);
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+ pci_setup_indirect (hose, CFG_IMMR + PCI_CFG_ADDR_REG,
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+ CFG_IMMR + PCI_CFG_DATA_REG);
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- /*
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- * Setting required to enable local bus for PCI (SIUMCR [LBPC]).
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- */
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+ /*
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+ * Setting required to enable local bus for PCI (SIUMCR [LBPC]).
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+ */
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#ifdef CONFIG_MPC8266ADS
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#ifdef CONFIG_MPC8266ADS
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- immap->im_siu_conf.sc_siumcr = (immap->im_siu_conf.sc_siumcr & ~SIUMCR_LBPC11)
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- | SIUMCR_LBPC01;
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+ immap->im_siu_conf.sc_siumcr =
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+ (immap->im_siu_conf.sc_siumcr & ~SIUMCR_LBPC11)
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+ | SIUMCR_LBPC01;
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#else
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#else
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- /*
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- * Setting required to enable IRQ1-IRQ7 (SIUMCR [DPPC]),
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- * and local bus for PCI (SIUMCR [LBPC]).
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- */
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- immap->im_siu_conf.sc_siumcr = (immap->im_siu_conf.sc_siumcr &
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- ~SIUMCR_LBPC11 &
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+ /*
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+ * Setting required to enable IRQ1-IRQ7 (SIUMCR [DPPC]),
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+ * and local bus for PCI (SIUMCR [LBPC]).
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+ */
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+ immap->im_siu_conf.sc_siumcr = (immap->im_siu_conf.sc_siumcr &
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+ ~SIUMCR_LBPC11 &
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~SIUMCR_CS10PC11 &
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~SIUMCR_CS10PC11 &
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- ~SIUMCR_LBPC11) |
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- SIUMCR_LBPC01 |
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- SIUMCR_CS10PC01 |
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- SIUMCR_LBPC01;
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+ ~SIUMCR_LBPC11) |
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+ SIUMCR_LBPC01 |
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+ SIUMCR_CS10PC01 |
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+ SIUMCR_APPC10;
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#endif
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#endif
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- /* Make PCI lowest priority */
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- /* Each 4 bits is a device bus request and the MS 4bits
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- is highest priority */
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- /* Bus 4bit value
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- --- ----------
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- CPM high 0b0000
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- CPM middle 0b0001
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- CPM low 0b0010
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- PCI reguest 0b0011
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- Reserved 0b0100
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- Reserved 0b0101
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- Internal Core 0b0110
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- External Master 1 0b0111
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- External Master 2 0b1000
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- External Master 3 0b1001
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- The rest are reserved */
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- immap->im_siu_conf.sc_ppc_alrh = 0x61207893;
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-
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- /* Park bus on core while modifying PCI Bus accesses */
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- immap->im_siu_conf.sc_ppc_acr = 0x6;
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-
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- /*
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- * Set up master windows that allow the CPU to access PCI space. These
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- * windows are set up using the two SIU PCIBR registers.
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- */
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- *(volatile unsigned long*)(immr_addr + M8265_PCIMSK0) = PCIMSK0_MASK;
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- *(volatile unsigned long*)(immr_addr + M8265_PCIBR0) =
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- PCI_MSTR0_LOCAL | PCIBR_ENABLE;
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+ /* Make PCI lowest priority */
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+ /* Each 4 bits is a device bus request and the MS 4bits
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+ is highest priority */
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+ /* Bus 4bit value
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+ --- ----------
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+ CPM high 0b0000
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+ CPM middle 0b0001
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+ CPM low 0b0010
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+ PCI reguest 0b0011
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+ Reserved 0b0100
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+ Reserved 0b0101
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+ Internal Core 0b0110
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+ External Master 1 0b0111
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+ External Master 2 0b1000
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+ External Master 3 0b1001
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+ The rest are reserved */
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+ immap->im_siu_conf.sc_ppc_alrh = 0x61207893;
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+
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+ /* Park bus on core while modifying PCI Bus accesses */
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+ immap->im_siu_conf.sc_ppc_acr = 0x6;
|
|
|
|
+
|
|
|
|
+ /*
|
|
|
|
+ * Set up master windows that allow the CPU to access PCI space. These
|
|
|
|
+ * windows are set up using the two SIU PCIBR registers.
|
|
|
|
+ */
|
|
|
|
+ immap->im_memctl.memc_pcimsk0 = PCIMSK0_MASK;
|
|
|
|
+ immap->im_memctl.memc_pcibr0 = PCI_MSTR0_LOCAL | PCIBR_ENABLE;
|
|
|
|
|
|
#ifdef CONFIG_MPC8266ADS
|
|
#ifdef CONFIG_MPC8266ADS
|
|
- *(volatile unsigned long*)(immr_addr + M8265_PCIMSK1) = PCIMSK1_MASK;
|
|
|
|
- *(volatile unsigned long*)(immr_addr + M8265_PCIBR1) =
|
|
|
|
- PCI_MSTR1_LOCAL | PCIBR_ENABLE;
|
|
|
|
|
|
+ immap->im_memctl.memc_pcimsk0 = PCIMSK1_MASK;
|
|
|
|
+ immap->im_memctl.memc_pcibr0 = PCI_MSTR1_LOCAL | PCIBR_ENABLE;
|
|
#endif
|
|
#endif
|
|
|
|
|
|
- /* Release PCI RST (by default the PCI RST signal is held low) */
|
|
|
|
- pci_outl (immr_addr | PCI_GCR_REG, PCIGCR_PCI_BUS_EN);
|
|
|
|
|
|
+ /* Release PCI RST (by default the PCI RST signal is held low) */
|
|
|
|
+ immap->im_pci.pci_gcr = cpu_to_le32 (PCIGCR_PCI_BUS_EN);
|
|
|
|
|
|
- /* give it some time */
|
|
|
|
- {
|
|
|
|
|
|
+ /* give it some time */
|
|
|
|
+ {
|
|
#ifdef CONFIG_MPC8266ADS
|
|
#ifdef CONFIG_MPC8266ADS
|
|
/* Give the PCI cards more time to initialize before query
|
|
/* Give the PCI cards more time to initialize before query
|
|
- This might be good for other boards also
|
|
|
|
- */
|
|
|
|
- int i;
|
|
|
|
- for (i = 0; i < 1000; ++i)
|
|
|
|
|
|
+ This might be good for other boards also
|
|
|
|
+ */
|
|
|
|
+ int i;
|
|
|
|
+
|
|
|
|
+ for (i = 0; i < 1000; ++i)
|
|
#endif
|
|
#endif
|
|
- udelay(1000);
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- /*
|
|
|
|
- * Set up master window that allows the CPU to access PCI Memory (prefetch)
|
|
|
|
- * space. This window is set up using the first set of Outbound ATU registers.
|
|
|
|
- */
|
|
|
|
- pci_outl (immr_addr | POTAR_REG0, PCI_MSTR_MEM_BUS >> 12); /* PCI base */
|
|
|
|
- pci_outl (immr_addr | POBAR_REG0, PCI_MSTR_MEM_LOCAL >> 12); /* Local base */
|
|
|
|
- pci_outl (immr_addr | POCMR_REG0, POCMR0_MASK_ATTRIB); /* Size & attribute */
|
|
|
|
-
|
|
|
|
- /*
|
|
|
|
- * Set up master window that allows the CPU to access PCI Memory (non-prefetch)
|
|
|
|
- * space. This window is set up using the second set of Outbound ATU registers.
|
|
|
|
- */
|
|
|
|
- pci_outl (immr_addr | POTAR_REG1, PCI_MSTR_MEMIO_BUS >> 12); /* PCI base */
|
|
|
|
- pci_outl (immr_addr | POBAR_REG1, PCI_MSTR_MEMIO_LOCAL >> 12); /* Local base */
|
|
|
|
- pci_outl (immr_addr | POCMR_REG1, POCMR1_MASK_ATTRIB); /* Size & attribute */
|
|
|
|
-
|
|
|
|
- /*
|
|
|
|
- * Set up master window that allows the CPU to access PCI IO space. This window
|
|
|
|
- * is set up using the third set of Outbound ATU registers.
|
|
|
|
- */
|
|
|
|
- pci_outl (immr_addr | POTAR_REG2, PCI_MSTR_IO_BUS >> 12); /* PCI base */
|
|
|
|
- pci_outl (immr_addr | POBAR_REG2, PCI_MSTR_IO_LOCAL >> 12); /* Local base */
|
|
|
|
- pci_outl (immr_addr | POCMR_REG2, POCMR2_MASK_ATTRIB); /* Size & attribute */
|
|
|
|
-
|
|
|
|
- /*
|
|
|
|
- * Set up slave window that allows PCI masters to access MPC826x local memory.
|
|
|
|
- * This window is set up using the first set of Inbound ATU registers
|
|
|
|
- */
|
|
|
|
- pci_outl (immr_addr | PITAR_REG0, PCI_SLV_MEM_LOCAL >> 12); /* Local base */
|
|
|
|
- pci_outl (immr_addr | PIBAR_REG0, PCI_SLV_MEM_BUS >> 12); /* PCI base */
|
|
|
|
- pci_outl (immr_addr | PICMR_REG0, PICMR0_MASK_ATTRIB); /* Size & attribute */
|
|
|
|
-
|
|
|
|
- /* See above for description - puts PCI request as highest priority */
|
|
|
|
- immap->im_siu_conf.sc_ppc_alrh = 0x03124567;
|
|
|
|
-
|
|
|
|
- /* Park the bus on the PCI */
|
|
|
|
- immap->im_siu_conf.sc_ppc_acr = PPC_ACR_BUS_PARK_PCI;
|
|
|
|
-
|
|
|
|
- /* Host mode - specify the bridge as a host-PCI bridge */
|
|
|
|
-
|
|
|
|
- pci_hose_write_config_byte(hose, host_devno, PCI_CLASS_CODE,
|
|
|
|
- PCI_CLASS_BRIDGE_CTLR);
|
|
|
|
-
|
|
|
|
- /* Enable the host bridge to be a master on the PCI bus, and to act as a PCI memory target */
|
|
|
|
- pci_hose_read_config_word(hose, host_devno, PCI_COMMAND, &tempShort);
|
|
|
|
- pci_hose_write_config_word(hose, host_devno, PCI_COMMAND,
|
|
|
|
- tempShort | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
|
|
|
|
|
|
+ udelay (1000);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ /*
|
|
|
|
+ * Set up master window that allows the CPU to access PCI Memory (prefetch)
|
|
|
|
+ * space. This window is set up using the first set of Outbound ATU registers.
|
|
|
|
+ */
|
|
|
|
+ immap->im_pci.pci_potar0 = cpu_to_le32 (PCI_MSTR_MEM_BUS >> 12); /* PCI base */
|
|
|
|
+ immap->im_pci.pci_pobar0 = cpu_to_le32 (PCI_MSTR_MEM_LOCAL >> 12); /* Local base */
|
|
|
|
+ immap->im_pci.pci_pocmr0 = cpu_to_le32 (POCMR0_MASK_ATTRIB); /* Size & attribute */
|
|
|
|
+
|
|
|
|
+ /*
|
|
|
|
+ * Set up master window that allows the CPU to access PCI Memory (non-prefetch)
|
|
|
|
+ * space. This window is set up using the second set of Outbound ATU registers.
|
|
|
|
+ */
|
|
|
|
+ immap->im_pci.pci_potar1 = cpu_to_le32 (PCI_MSTR_MEMIO_BUS >> 12); /* PCI base */
|
|
|
|
+ immap->im_pci.pci_pobar1 = cpu_to_le32 (PCI_MSTR_MEMIO_LOCAL >> 12); /* Local base */
|
|
|
|
+ immap->im_pci.pci_pocmr1 = cpu_to_le32 (POCMR1_MASK_ATTRIB); /* Size & attribute */
|
|
|
|
+
|
|
|
|
+ /*
|
|
|
|
+ * Set up master window that allows the CPU to access PCI IO space. This window
|
|
|
|
+ * is set up using the third set of Outbound ATU registers.
|
|
|
|
+ */
|
|
|
|
+ immap->im_pci.pci_potar2 = cpu_to_le32 (PCI_MSTR_IO_BUS >> 12); /* PCI base */
|
|
|
|
+ immap->im_pci.pci_pobar2 = cpu_to_le32 (PCI_MSTR_IO_LOCAL >> 12); /* Local base */
|
|
|
|
+ immap->im_pci.pci_pocmr2 = cpu_to_le32 (POCMR2_MASK_ATTRIB); /* Size & attribute */
|
|
|
|
+
|
|
|
|
+ /*
|
|
|
|
+ * Set up slave window that allows PCI masters to access MPC826x local memory.
|
|
|
|
+ * This window is set up using the first set of Inbound ATU registers
|
|
|
|
+ */
|
|
|
|
+ immap->im_pci.pci_pitar0 = cpu_to_le32 (PCI_SLV_MEM_LOCAL >> 12); /* PCI base */
|
|
|
|
+ immap->im_pci.pci_pibar0 = cpu_to_le32 (PCI_SLV_MEM_BUS >> 12); /* Local base */
|
|
|
|
+ immap->im_pci.pci_picmr0 = cpu_to_le32 (PICMR0_MASK_ATTRIB); /* Size & attribute */
|
|
|
|
+
|
|
|
|
+ /* See above for description - puts PCI request as highest priority */
|
|
|
|
+ immap->im_siu_conf.sc_ppc_alrh = 0x03124567;
|
|
|
|
+
|
|
|
|
+ /* Park the bus on the PCI */
|
|
|
|
+ immap->im_siu_conf.sc_ppc_acr = PPC_ACR_BUS_PARK_PCI;
|
|
|
|
+
|
|
|
|
+ /* Host mode - specify the bridge as a host-PCI bridge */
|
|
|
|
+
|
|
|
|
+ pci_hose_write_config_byte (hose, host_devno, PCI_CLASS_CODE,
|
|
|
|
+ PCI_CLASS_BRIDGE_CTLR);
|
|
|
|
+
|
|
|
|
+ /* Enable the host bridge to be a master on the PCI bus, and to act as a PCI memory target */
|
|
|
|
+ pci_hose_read_config_word (hose, host_devno, PCI_COMMAND, &tempShort);
|
|
|
|
+ pci_hose_write_config_word (hose, host_devno, PCI_COMMAND,
|
|
|
|
+ tempShort | PCI_COMMAND_MASTER |
|
|
|
|
+ PCI_COMMAND_MEMORY);
|
|
|
|
|
|
-#ifdef CONFIG_MPC8266ADS
|
|
|
|
/* do some bridge init, should be done on all 8260 based bridges */
|
|
/* do some bridge init, should be done on all 8260 based bridges */
|
|
- pci_hose_write_config_byte(hose, host_devno, PCI_CACHE_LINE_SIZE, 0x08);
|
|
|
|
- pci_hose_write_config_byte(hose, host_devno, PCI_LATENCY_TIMER, 0xF8);
|
|
|
|
-#endif
|
|
|
|
|
|
+ pci_hose_write_config_byte (hose, host_devno, PCI_CACHE_LINE_SIZE,
|
|
|
|
+ 0x08);
|
|
|
|
+ pci_hose_write_config_byte (hose, host_devno, PCI_LATENCY_TIMER,
|
|
|
|
+ 0xF8);
|
|
|
|
|
|
- hose->first_busno = 0;
|
|
|
|
- hose->last_busno = 0xff;
|
|
|
|
|
|
+ hose->first_busno = 0;
|
|
|
|
+ hose->last_busno = 0xff;
|
|
|
|
|
|
- /* System memory space */
|
|
|
|
|
|
+ /* System memory space */
|
|
#ifdef CONFIG_MPC8266ADS
|
|
#ifdef CONFIG_MPC8266ADS
|
|
- pci_set_region(hose->regions + 0,
|
|
|
|
- PCI_SLV_MEM_BUS,
|
|
|
|
- PCI_SLV_MEM_LOCAL,
|
|
|
|
- gd->ram_size,
|
|
|
|
- PCI_REGION_MEM | PCI_REGION_MEMORY);
|
|
|
|
|
|
+ pci_set_region (hose->regions + 0,
|
|
|
|
+ PCI_SLV_MEM_BUS,
|
|
|
|
+ PCI_SLV_MEM_LOCAL,
|
|
|
|
+ gd->ram_size, PCI_REGION_MEM | PCI_REGION_MEMORY);
|
|
#else
|
|
#else
|
|
- pci_set_region(hose->regions + 0,
|
|
|
|
- CFG_SDRAM_BASE,
|
|
|
|
- CFG_SDRAM_BASE,
|
|
|
|
- 0x4000000,
|
|
|
|
- PCI_REGION_MEM | PCI_REGION_MEMORY);
|
|
|
|
|
|
+ pci_set_region (hose->regions + 0,
|
|
|
|
+ CFG_SDRAM_BASE,
|
|
|
|
+ CFG_SDRAM_BASE,
|
|
|
|
+ 0x4000000, PCI_REGION_MEM | PCI_REGION_MEMORY);
|
|
#endif
|
|
#endif
|
|
|
|
|
|
- /* PCI memory space */
|
|
|
|
|
|
+ /* PCI memory space */
|
|
#ifdef CONFIG_MPC8266ADS
|
|
#ifdef CONFIG_MPC8266ADS
|
|
- pci_set_region(hose->regions + 1,
|
|
|
|
- PCI_MSTR_MEMIO_BUS,
|
|
|
|
- PCI_MSTR_MEMIO_LOCAL,
|
|
|
|
- PCI_MSTR_MEMIO_SIZE,
|
|
|
|
- PCI_REGION_MEM);
|
|
|
|
|
|
+ pci_set_region (hose->regions + 1,
|
|
|
|
+ PCI_MSTR_MEMIO_BUS,
|
|
|
|
+ PCI_MSTR_MEMIO_LOCAL,
|
|
|
|
+ PCI_MSTR_MEMIO_SIZE, PCI_REGION_MEM);
|
|
#else
|
|
#else
|
|
- pci_set_region(hose->regions + 1,
|
|
|
|
- PCI_MSTR_MEM_BUS,
|
|
|
|
- PCI_MSTR_MEM_LOCAL,
|
|
|
|
- PCI_MSTR_MEM_SIZE,
|
|
|
|
- PCI_REGION_MEM);
|
|
|
|
|
|
+ pci_set_region (hose->regions + 1,
|
|
|
|
+ PCI_MSTR_MEM_BUS,
|
|
|
|
+ PCI_MSTR_MEM_LOCAL,
|
|
|
|
+ PCI_MSTR_MEM_SIZE, PCI_REGION_MEM);
|
|
#endif
|
|
#endif
|
|
|
|
|
|
- /* PCI I/O space */
|
|
|
|
- pci_set_region(hose->regions + 2,
|
|
|
|
- PCI_MSTR_IO_BUS,
|
|
|
|
- PCI_MSTR_IO_LOCAL,
|
|
|
|
- PCI_MSTR_IO_SIZE,
|
|
|
|
- PCI_REGION_IO);
|
|
|
|
|
|
+ /* PCI I/O space */
|
|
|
|
+ pci_set_region (hose->regions + 2,
|
|
|
|
+ PCI_MSTR_IO_BUS,
|
|
|
|
+ PCI_MSTR_IO_LOCAL, PCI_MSTR_IO_SIZE, PCI_REGION_IO);
|
|
|
|
+
|
|
|
|
+ hose->region_count = 3;
|
|
|
|
+
|
|
|
|
+ pci_register_hose (hose);
|
|
|
|
+ /* Mask off master abort machine checks */
|
|
|
|
+ immap->im_pci.pci_emr &= cpu_to_le32 (~PCI_ERROR_PCI_NO_RSP);
|
|
|
|
+ eieio ();
|
|
|
|
+
|
|
|
|
+ hose->last_busno = pci_hose_scan (hose);
|
|
|
|
|
|
- hose->region_count = 3;
|
|
|
|
|
|
|
|
- pci_register_hose(hose);
|
|
|
|
|
|
+ /* clear the error in the error status register */
|
|
|
|
+ immap->im_pci.pci_esr = cpu_to_le32 (PCI_ERROR_PCI_NO_RSP);
|
|
|
|
|
|
- hose->last_busno = pci_hose_scan(hose);
|
|
|
|
|
|
+ /* unmask master abort machine checks */
|
|
|
|
+ immap->im_pci.pci_emr |= cpu_to_le32 (PCI_ERROR_PCI_NO_RSP);
|
|
}
|
|
}
|
|
|
|
|
|
-#endif /* CONFIG_PCI */
|
|
|
|
|
|
+#endif /* CONFIG_PCI */
|