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-rw-r--r--arch/powerpc/cpu/mpc85xx/portals.c238
1 files changed, 238 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/portals.c b/arch/powerpc/cpu/mpc85xx/portals.c
new file mode 100644
index 0000000000..01aec6e794
--- /dev/null
+++ b/arch/powerpc/cpu/mpc85xx/portals.c
@@ -0,0 +1,238 @@
+/*
+ * Copyright 2008-2010 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
+ */
+
+#include <common.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+
+#include <asm/processor.h>
+#include <asm/io.h>
+
+#include <asm/fsl_portals.h>
+#include <asm/fsl_liodn.h>
+
+static ccsr_qman_t *qman = (void *)CONFIG_SYS_FSL_CORENET_QMAN_ADDR;
+
+void setup_portals(void)
+{
+ int i;
+
+ /* Set the Qman initiator BAR to match the LAW (for DQRR stashing) */
+#ifdef CONFIG_PHYS_64BIT
+ out_be32(&qman->qcsp_bare, (u32)(CONFIG_SYS_QMAN_MEM_PHYS >> 32));
+#endif
+ out_be32(&qman->qcsp_bar, (u32)CONFIG_SYS_QMAN_MEM_PHYS);
+
+ for (i = 0; i < CONFIG_SYS_QMAN_NUM_PORTALS; i++) {
+ u8 sdest = qp_info[i].sdest;
+ u16 fliodn = qp_info[i].fliodn;
+ u16 dliodn = qp_info[i].dliodn;
+ u16 liodn_off = qp_info[i].liodn_offset;
+
+ out_be32(&qman->qcsp[i].qcsp_lio_cfg, (liodn_off << 16) |
+ dliodn);
+ /* set frame liodn */
+ out_be32(&qman->qcsp[i].qcsp_io_cfg, (sdest << 16) | fliodn);
+ }
+}
+
+/* Update portal containter to match LAW setup of portal in phy map */
+void fdt_portal(void *blob, const char *compat, const char *container,
+ u64 addr, u32 size)
+{
+ int off;
+
+ off = fdt_node_offset_by_compatible(blob, -1, compat);
+ if (off < 0)
+ return ;
+
+ off = fdt_parent_offset(blob, off);
+ /* if non-zero assume we have a container */
+ if (off > 0) {
+ char buf[60];
+ const char *p, *name;
+ u32 *range;
+ int len;
+
+ /* fixup ranges */
+ range = fdt_getprop_w(blob, off, "ranges", &len);
+ if (range == NULL) {
+ printf("ERROR: container for %s has no ranges", compat);
+ return ;
+ }
+
+ range[0] = 0;
+ if (len == 16) {
+ range[1] = addr >> 32;
+ range[2] = addr & 0xffffffff;
+ range[3] = size;
+ } else {
+ range[1] = addr & 0xffffffff;
+ range[2] = size;
+ }
+ fdt_setprop_inplace(blob, off, "ranges", range, len);
+
+ /* fixup the name */
+ name = fdt_get_name(blob, off, &len);
+ p = memchr(name, '@', len);
+
+ if (p)
+ len = p - name;
+
+ /* if we are given a container name check it
+ * against what we found, if it doesnt match exit out */
+ if (container && (memcmp(container, name, len))) {
+ printf("WARNING: container names didn't match %s %s\n",
+ container, name);
+ return ;
+ }
+
+ memcpy(&buf, name, len);
+ len += sprintf(&buf[len], "@%llx", addr);
+ fdt_set_name(blob, off, buf);
+ return ;
+ }
+
+ printf("ERROR: %s isn't in a container. Not supported\n", compat);
+}
+
+static int fdt_qportal(void *blob, int off, int id, char *name,
+ enum fsl_dpaa_dev dev, int create)
+{
+ int childoff, dev_off, num, ret = 0;
+ uint32_t dev_handle;
+ u32 liodns[2];
+
+ childoff = fdt_subnode_offset(blob, off, name);
+ if (create) {
+ if (childoff <= 0)
+ childoff = fdt_add_subnode(blob, off, name);
+
+ if (childoff > 0) {
+ char handle[64], *p;
+
+ strncpy(handle, name, sizeof(handle));
+ p = strchr(handle, '@');
+ if (!strncmp(name, "fman", 4)) {
+ *p = *(p + 1);
+ p++;
+ }
+ *p = '\0';
+
+ dev_off = fdt_path_offset(blob, handle);
+ if (dev_off < 0)
+ return dev_off;
+
+ dev_handle = fdt_get_phandle(blob, dev_off);
+ if (dev_handle <= 0) {
+ dev_handle = fdt_alloc_phandle(blob);
+ fdt_setprop_cell(blob, dev_off,
+ "linux,phandle", dev_handle);
+ }
+
+ ret = fdt_setprop(blob, childoff, "dev-handle",
+ &dev_handle, sizeof(dev_handle));
+ if (ret < 0)
+ return ret;
+
+ num = get_dpaa_liodn(dev, &liodns[0], id);
+ ret = fdt_setprop(blob, childoff, "fsl,liodn",
+ &liodns[0], sizeof(u32) * num);
+ } else {
+ return childoff;
+ }
+ } else {
+ if (childoff > 0)
+ ret = fdt_del_node(blob, childoff);
+ }
+
+ return ret;
+}
+
+void fdt_fixup_qportals(void *blob)
+{
+ int off, err;
+ unsigned int maj, min;
+ u32 rev_1 = in_be32(&qman->ip_rev_1);
+ char compat[64];
+ int compat_len;
+
+ maj = (rev_1 >> 8) & 0xff;
+ min = rev_1 & 0xff;
+
+ compat_len = sprintf(compat, "fsl,qman-portal-%u.%u", maj, min) + 1;
+ compat_len += sprintf(compat + compat_len, "fsl,qman-portal") + 1;
+
+ off = fdt_node_offset_by_compatible(blob, -1, "fsl,qman-portal");
+ while (off != -FDT_ERR_NOTFOUND) {
+ u32 liodns[2];
+ const int *ci = fdt_getprop(blob, off, "cell-index", NULL);
+ int j, i = *ci;
+
+ err = fdt_setprop(blob, off, "compatible", compat, compat_len);
+ if (err < 0)
+ goto err;
+
+ liodns[0] = qp_info[i].dliodn;
+ liodns[1] = qp_info[i].fliodn;
+
+ err = fdt_setprop(blob, off, "fsl,liodn",
+ &liodns, sizeof(u32) * 2);
+ if (err < 0)
+ goto err;
+
+ i++;
+
+ err = fdt_qportal(blob, off, i, "crypto@0", FSL_HW_PORTAL_SEC,
+ IS_E_PROCESSOR(get_svr()));
+ if (err < 0)
+ goto err;
+
+#ifdef CONFIG_SYS_DPAA_PME
+ err = fdt_qportal(blob, off, i, "pme@0", FSL_HW_PORTAL_PME, 1);
+ if (err < 0)
+ goto err;
+#else
+ fdt_qportal(blob, off, i, "pme@0", FSL_HW_PORTAL_PME, 0);
+#endif
+#ifdef CONFIG_SYS_DPAA_FMAN
+ for (j = 0; j < CONFIG_SYS_NUM_FMAN; j++) {
+ char name[] = "fman@0";
+
+ name[sizeof(name) - 2] = '0' + j;
+ err = fdt_qportal(blob, off, i, name,
+ FSL_HW_PORTAL_FMAN1 + j, 1);
+ if (err < 0)
+ goto err;
+ }
+#endif
+
+err:
+ if (err < 0) {
+ printf("ERROR: unable to create props for %s: %s\n",
+ fdt_get_name(blob, off, NULL), fdt_strerror(err));
+ return;
+ }
+
+ off = fdt_node_offset_by_compatible(blob, off, "fsl,qman-portal");
+ }
+}