powerpc/85xx: Add support to initialize LIODN registers and portals

On the new QorIQ/CoreNet based platforms we need to initialize the
"portals" as access into the Data Path subystem as well as Logical IO
Device Numbers (LIODN) that are used for the IOMMU (PAMU).

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 59 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/fsl_portals.h b/arch/powerpc/include/asm/fsl_portals.h
new file mode 100644
index 0000000000..cb32927a83
--- /dev/null
+++ b/arch/powerpc/include/asm/fsl_portals.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2009-2010 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _FSL_PORTALS_H_
+#define _FSL_PORTALS_H_
+
+/* entries must be in order and contiguous */
+enum fsl_dpaa_dev {
+	FSL_HW_PORTAL_SEC,
+#ifdef CONFIG_SYS_DPAA_FMAN
+	FSL_HW_PORTAL_FMAN1,
+#if (CONFIG_SYS_NUM_FMAN == 2)
+	FSL_HW_PORTAL_FMAN2,
+#endif
+#endif
+#ifdef CONFIG_SYS_DPAA_PME
+	FSL_HW_PORTAL_PME,
+#endif
+};
+
+struct qportal_info {
+	u16	dliodn;	/* DQRR LIODN */
+	u16	fliodn;	/* frame data LIODN */
+	u16	liodn_offset;
+	u8	sdest;
+};
+
+#define SET_QP_INFO(dqrr, fdata, off, dest) \
+	{ .dliodn = dqrr, .fliodn = fdata, .liodn_offset = off, .sdest = dest }
+
+extern int get_dpaa_liodn(enum fsl_dpaa_dev dpaa_dev,
+			  u32 *liodns, int liodn_offset);
+extern void setup_portals(void);
+extern void fdt_fixup_qportals(void *blob);
+
+extern struct qportal_info qp_info[];
+extern void fdt_portal(void *blob, const char *compat, const char *container,
+			u64 addr, u32 size);
+
+#endif