[POWERPC] ps3: add repository support

Adds support for the PS3 repository.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>

2 files changed, 979 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/ps3/repository.c b/arch/powerpc/platforms/ps3/repository.c
new file mode 100644
index 000000000000..273a0d621bdd
--- /dev/null
+++ b/arch/powerpc/platforms/ps3/repository.c
@@ -0,0 +1,840 @@
+/*
+ *  PS3 repository routines.
+ *
+ *  Copyright (C) 2006 Sony Computer Entertainment Inc.
+ *  Copyright 2006 Sony Corp.
+ *
+ *  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; version 2 of the License.
+ *
+ *  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 <asm/ps3.h>
+#include <asm/lv1call.h>
+
+enum ps3_vendor_id {
+        PS3_VENDOR_ID_NONE = 0,
+        PS3_VENDOR_ID_SONY = 0x8000000000000000UL,
+};
+
+enum ps3_lpar_id {
+        PS3_LPAR_ID_CURRENT = 0,
+        PS3_LPAR_ID_PME = 1,
+};
+
+#define dump_field(_a, _b) _dump_field(_a, _b, __func__, __LINE__)
+static void _dump_field(const char *hdr, u64 n, const char* func, int line)
+{
+#if defined(DEBUG)
+        char s[16];
+        const char *const in = (const char *)&n;
+        unsigned int i;
+
+        for (i = 0; i < 8; i++)
+                s[i] = (in[i] <= 126 && in[i] >= 32) ? in[i] : '.';
+        s[i] = 0;
+
+        pr_debug("%s:%d: %s%016lx : %s\n", func, line, hdr, n, s);
+#endif
+}
+
+#define dump_node_name(_a, _b, _c, _d, _e) \
+        _dump_node_name(_a, _b, _c, _d, _e, __func__, __LINE__)
+static void _dump_node_name (unsigned int lpar_id, u64 n1, u64 n2, u64 n3,
+        u64 n4, const char* func, int line)
+{
+        pr_debug("%s:%d: lpar: %u\n", func, line, lpar_id);
+        _dump_field("n1: ", n1, func, line);
+        _dump_field("n2: ", n2, func, line);
+        _dump_field("n3: ", n3, func, line);
+        _dump_field("n4: ", n4, func, line);
+}
+
+#define dump_node(_a, _b, _c, _d, _e, _f, _g) \
+        _dump_node(_a, _b, _c, _d, _e, _f, _g, __func__, __LINE__)
+static void _dump_node(unsigned int lpar_id, u64 n1, u64 n2, u64 n3, u64 n4,
+        u64 v1, u64 v2, const char* func, int line)
+{
+        pr_debug("%s:%d: lpar: %u\n", func, line, lpar_id);
+        _dump_field("n1: ", n1, func, line);
+        _dump_field("n2: ", n2, func, line);
+        _dump_field("n3: ", n3, func, line);
+        _dump_field("n4: ", n4, func, line);
+        pr_debug("%s:%d: v1: %016lx\n", func, line, v1);
+        pr_debug("%s:%d: v2: %016lx\n", func, line, v2);
+}
+
+/**
+ * make_first_field - Make the first field of a repository node name.
+ * @text: Text portion of the field.
+ * @index: Numeric index portion of the field.  Use zero for 'don't care'.
+ *
+ * This routine sets the vendor id to zero (non-vendor specific).
+ * Returns field value.
+ */
+
+static u64 make_first_field(const char *text, u64 index)
+{
+        u64 n;
+
+        strncpy((char *)&n, text, 8);
+        return PS3_VENDOR_ID_NONE + (n >> 32) + index;
+}
+
+/**
+ * make_field - Make subsequent fields of a repository node name.
+ * @text: Text portion of the field.  Use "" for 'don't care'.
+ * @index: Numeric index portion of the field.  Use zero for 'don't care'.
+ *
+ * Returns field value.
+ */
+
+static u64 make_field(const char *text, u64 index)
+{
+        u64 n;
+
+        strncpy((char *)&n, text, 8);
+        return n + index;
+}
+
+/**
+ * read_node - Read a repository node from raw fields.
+ * @n1: First field of node name.
+ * @n2: Second field of node name.  Use zero for 'don't care'.
+ * @n3: Third field of node name.  Use zero for 'don't care'.
+ * @n4: Fourth field of node name.  Use zero for 'don't care'.
+ * @v1: First repository value (high word).
+ * @v2: Second repository value (low word).  Optional parameter, use zero
+ *      for 'don't care'.
+ */
+
+static int read_node(unsigned int lpar_id, u64 n1, u64 n2, u64 n3, u64 n4,
+        u64 *_v1, u64 *_v2)
+{
+        int result;
+        u64 v1;
+        u64 v2;
+
+        if (lpar_id == PS3_LPAR_ID_CURRENT) {
+                u64 id;
+                lv1_get_logical_partition_id(&id);
+                lpar_id = id;
+        }
+
+        result = lv1_get_repository_node_value(lpar_id, n1, n2, n3, n4, &v1,
+                &v2);
+
+        if (result) {
+                pr_debug("%s:%d: lv1_get_repository_node_value failed: %s\n",
+                        __func__, __LINE__, ps3_result(result));
+                dump_node_name(lpar_id, n1, n2, n3, n4);
+                return result;
+        }
+
+        dump_node(lpar_id, n1, n2, n3, n4, v1, v2);
+
+        if (_v1)
+                *_v1 = v1;
+        if (_v2)
+                *_v2 = v2;
+
+        if (v1 && !_v1)
+                pr_debug("%s:%d: warning: discarding non-zero v1: %016lx\n",
+                        __func__, __LINE__, v1);
+        if (v2 && !_v2)
+                pr_debug("%s:%d: warning: discarding non-zero v2: %016lx\n",
+                        __func__, __LINE__, v2);
+
+        return result;
+}
+
+int ps3_repository_read_bus_str(unsigned int bus_index, const char *bus_str,
+        u64 *value)
+{
+        return read_node(PS3_LPAR_ID_PME,
+                make_first_field("bus", bus_index),
+                make_field(bus_str, 0),
+                0, 0,
+                value, 0);
+}
+
+int ps3_repository_read_bus_id(unsigned int bus_index, unsigned int *bus_id)
+{
+        int result;
+        u64 v1;
+        u64 v2; /* unused */
+
+        result = read_node(PS3_LPAR_ID_PME,
+                make_first_field("bus", bus_index),
+                make_field("id", 0),
+                0, 0,
+                &v1, &v2);
+        *bus_id = v1;
+        return result;
+}
+
+int ps3_repository_read_bus_type(unsigned int bus_index,
+        enum ps3_bus_type *bus_type)
+{
+        int result;
+        u64 v1;
+
+        result = read_node(PS3_LPAR_ID_PME,
+                make_first_field("bus", bus_index),
+                make_field("type", 0),
+                0, 0,
+                &v1, 0);
+        *bus_type = v1;
+        return result;
+}
+
+int ps3_repository_read_bus_num_dev(unsigned int bus_index,
+        unsigned int *num_dev)
+{
+        int result;
+        u64 v1;
+
+        result = read_node(PS3_LPAR_ID_PME,
+                make_first_field("bus", bus_index),
+                make_field("num_dev", 0),
+                0, 0,
+                &v1, 0);
+        *num_dev = v1;
+        return result;
+}
+
+int ps3_repository_read_dev_str(unsigned int bus_index,
+        unsigned int dev_index, const char *dev_str, u64 *value)
+{
+        return read_node(PS3_LPAR_ID_PME,
+                make_first_field("bus", bus_index),
+                make_field("dev", dev_index),
+                make_field(dev_str, 0),
+                0,
+                value, 0);
+}
+
+int ps3_repository_read_dev_id(unsigned int bus_index, unsigned int dev_index,
+        unsigned int *dev_id)
+{
+        int result;
+        u64 v1;
+
+        result = read_node(PS3_LPAR_ID_PME,
+                make_first_field("bus", bus_index),
+                make_field("dev", dev_index),
+                make_field("id", 0),
+                0,
+                &v1, 0);
+        *dev_id = v1;
+        return result;
+}
+
+int ps3_repository_read_dev_type(unsigned int bus_index,
+        unsigned int dev_index, enum ps3_dev_type *dev_type)
+{
+        int result;
+        u64 v1;
+
+        result = read_node(PS3_LPAR_ID_PME,
+                make_first_field("bus", bus_index),
+                make_field("dev", dev_index),
+                make_field("type", 0),
+                0,
+                &v1, 0);
+        *dev_type = v1;
+        return result;
+}
+
+int ps3_repository_read_dev_intr(unsigned int bus_index,
+        unsigned int dev_index, unsigned int intr_index,
+        unsigned int *intr_type, unsigned int* interrupt_id)
+{
+        int result;
+        u64 v1;
+        u64 v2;
+
+        result = read_node(PS3_LPAR_ID_PME,
+                make_first_field("bus", bus_index),
+                make_field("dev", dev_index),
+                make_field("intr", intr_index),
+                0,
+                &v1, &v2);
+        *intr_type = v1;
+        *interrupt_id = v2;
+        return result;
+}
+
+int ps3_repository_read_dev_reg_type(unsigned int bus_index,
+        unsigned int dev_index, unsigned int reg_index, unsigned int *reg_type)
+{
+        int result;
+        u64 v1;
+
+        result = read_node(PS3_LPAR_ID_PME,
+                make_first_field("bus", bus_index),
+                make_field("dev", dev_index),
+                make_field("reg", reg_index),
+                make_field("type", 0),
+                &v1, 0);
+        *reg_type = v1;
+        return result;
+}
+
+int ps3_repository_read_dev_reg_addr(unsigned int bus_index,
+        unsigned int dev_index, unsigned int reg_index, u64 *bus_addr, u64 *len)
+{
+        return read_node(PS3_LPAR_ID_PME,
+                make_first_field("bus", bus_index),
+                make_field("dev", dev_index),
+                make_field("reg", reg_index),
+                make_field("data", 0),
+                bus_addr, len);
+}
+
+int ps3_repository_read_dev_reg(unsigned int bus_index,
+        unsigned int dev_index, unsigned int reg_index, unsigned int *reg_type,
+        u64 *bus_addr, u64 *len)
+{
+        int result = ps3_repository_read_dev_reg_type(bus_index, dev_index,
+                reg_index, reg_type);
+        return result ? result
+                : ps3_repository_read_dev_reg_addr(bus_index, dev_index,
+                reg_index, bus_addr, len);
+}
+
+#if defined(DEBUG)
+int ps3_repository_dump_resource_info(unsigned int bus_index,
+        unsigned int dev_index)
+{
+        int result = 0;
+        unsigned int res_index;
+
+        pr_debug(" -> %s:%d: (%u:%u)\n", __func__, __LINE__,
+                bus_index, dev_index);
+
+        for (res_index = 0; res_index < 10; res_index++) {
+                enum ps3_interrupt_type intr_type;
+                unsigned int interrupt_id;
+
+                result = ps3_repository_read_dev_intr(bus_index, dev_index,
+                        res_index, &intr_type, &interrupt_id);
+
+                if (result) {
+                        if (result !=  LV1_NO_ENTRY)
+                                pr_debug("%s:%d ps3_repository_read_dev_intr"
+                                        " (%u:%u) failed\n", __func__, __LINE__,
+                                        bus_index, dev_index);
+                        break;
+                }
+
+                pr_debug("%s:%d (%u:%u) intr_type %u, interrupt_id %u\n",
+                        __func__, __LINE__, bus_index, dev_index, intr_type,
+                        interrupt_id);
+        }
+
+        for (res_index = 0; res_index < 10; res_index++) {
+                enum ps3_region_type reg_type;
+                u64 bus_addr;
+                u64 len;
+
+                result = ps3_repository_read_dev_reg(bus_index, dev_index,
+                        res_index, &reg_type, &bus_addr, &len);
+
+                if (result) {
+                        if (result !=  LV1_NO_ENTRY)
+                                pr_debug("%s:%d ps3_repository_read_dev_reg"
+                                        " (%u:%u) failed\n", __func__, __LINE__,
+                                        bus_index, dev_index);
+                        break;
+                }
+
+                pr_debug("%s:%d (%u:%u) reg_type %u, bus_addr %lxh, len %lxh\n",
+                        __func__, __LINE__, bus_index, dev_index, reg_type,
+                        bus_addr, len);
+        }
+
+        pr_debug(" <- %s:%d\n", __func__, __LINE__);
+        return result;
+}
+
+static int dump_device_info(unsigned int bus_index, unsigned int num_dev)
+{
+        int result = 0;
+        unsigned int dev_index;
+
+        pr_debug(" -> %s:%d: bus_%u\n", __func__, __LINE__, bus_index);
+
+        for (dev_index = 0; dev_index < num_dev; dev_index++) {
+                enum ps3_dev_type dev_type;
+                unsigned int dev_id;
+
+                result = ps3_repository_read_dev_type(bus_index, dev_index,
+                        &dev_type);
+
+                if (result) {
+                        pr_debug("%s:%d ps3_repository_read_dev_type"
+                                " (%u:%u) failed\n", __func__, __LINE__,
+                                bus_index, dev_index);
+                        break;
+                }
+
+                result = ps3_repository_read_dev_id(bus_index, dev_index,
+                        &dev_id);
+
+                if (result) {
+                        pr_debug("%s:%d ps3_repository_read_dev_id"
+                                " (%u:%u) failed\n", __func__, __LINE__,
+                                bus_index, dev_index);
+                        continue;
+                }
+
+                pr_debug("%s:%d  (%u:%u): dev_type %u, dev_id %u\n", __func__,
+                        __LINE__, bus_index, dev_index, dev_type, dev_id);
+
+                ps3_repository_dump_resource_info(bus_index, dev_index);
+        }
+
+        pr_debug(" <- %s:%d\n", __func__, __LINE__);
+        return result;
+}
+
+int ps3_repository_dump_bus_info(void)
+{
+        int result = 0;
+        unsigned int bus_index;
+
+        pr_debug(" -> %s:%d\n", __func__, __LINE__);
+
+        for (bus_index = 0; bus_index < 10; bus_index++) {
+                enum ps3_bus_type bus_type;
+                unsigned int bus_id;
+                unsigned int num_dev;
+
+                result = ps3_repository_read_bus_type(bus_index, &bus_type);
+
+                if (result) {
+                        pr_debug("%s:%d read_bus_type(%u) failed\n",
+                                __func__, __LINE__, bus_index);
+                        break;
+                }
+
+                result = ps3_repository_read_bus_id(bus_index, &bus_id);
+
+                if (result) {
+                        pr_debug("%s:%d read_bus_id(%u) failed\n",
+                                __func__, __LINE__, bus_index);
+                        continue;
+                }
+
+                if (bus_index != bus_id)
+                        pr_debug("%s:%d bus_index != bus_id\n",
+                                __func__, __LINE__);
+
+                result = ps3_repository_read_bus_num_dev(bus_index, &num_dev);
+
+                if (result) {
+                        pr_debug("%s:%d read_bus_num_dev(%u) failed\n",
+                                __func__, __LINE__, bus_index);
+                        continue;
+                }
+
+                pr_debug("%s:%d bus_%u: bus_type %u, bus_id %u, num_dev %u\n",
+                        __func__, __LINE__, bus_index, bus_type, bus_id,
+                        num_dev);
+
+                dump_device_info(bus_index, num_dev);
+        }
+
+        pr_debug(" <- %s:%d\n", __func__, __LINE__);
+        return result;
+}
+#endif /* defined(DEBUG) */
+
+static int find_device(unsigned int bus_index, unsigned int num_dev,
+        unsigned int start_dev_index, enum ps3_dev_type dev_type,
+        struct ps3_repository_device *dev)
+{
+        int result = 0;
+        unsigned int dev_index;
+
+        pr_debug("%s:%d: find dev_type %u\n", __func__, __LINE__, dev_type);
+
+        dev->dev_index = UINT_MAX;
+
+        for (dev_index = start_dev_index; dev_index < num_dev; dev_index++) {
+                enum ps3_dev_type x;
+
+                result = ps3_repository_read_dev_type(bus_index, dev_index,
+                        &x);
+
+                if (result) {
+                        pr_debug("%s:%d read_dev_type failed\n",
+                                __func__, __LINE__);
+                        return result;
+                }
+
+                if (x == dev_type)
+                        break;
+        }
+
+        BUG_ON(dev_index == num_dev);
+
+        pr_debug("%s:%d: found dev_type %u at dev_index %u\n",
+                __func__, __LINE__, dev_type, dev_index);
+
+        result = ps3_repository_read_dev_id(bus_index, dev_index,
+                &dev->did.dev_id);
+
+        if (result) {
+                pr_debug("%s:%d read_dev_id failed\n",
+                        __func__, __LINE__);
+                return result;
+        }
+
+        dev->dev_index = dev_index;
+
+        pr_debug("%s:%d found: dev_id %u\n", __func__, __LINE__,
+                dev->did.dev_id);
+
+        return result;
+}
+
+int ps3_repository_find_device (enum ps3_bus_type bus_type,
+        enum ps3_dev_type dev_type,
+        const struct ps3_repository_device *start_dev,
+        struct ps3_repository_device *dev)
+{
+        int result = 0;
+        unsigned int bus_index;
+        unsigned int num_dev;
+
+        pr_debug("%s:%d: find bus_type %u, dev_type %u\n", __func__, __LINE__,
+                bus_type, dev_type);
+
+        dev->bus_index = UINT_MAX;
+
+        for (bus_index = start_dev ? start_dev->bus_index : 0; bus_index < 10;
+                bus_index++) {
+                enum ps3_bus_type x;
+
+                result = ps3_repository_read_bus_type(bus_index, &x);
+
+                if (result) {
+                        pr_debug("%s:%d read_bus_type failed\n",
+                                __func__, __LINE__);
+                        return result;
+                }
+                if (x == bus_type)
+                        break;
+        }
+
+        BUG_ON(bus_index == 10);
+
+        pr_debug("%s:%d: found bus_type %u at bus_index %u\n",
+                __func__, __LINE__, bus_type, bus_index);
+
+        result = ps3_repository_read_bus_num_dev(bus_index, &num_dev);
+
+        if (result) {
+                pr_debug("%s:%d read_bus_num_dev failed\n",
+                        __func__, __LINE__);
+                return result;
+        }
+
+        result = find_device(bus_index, num_dev, start_dev
+                ? start_dev->dev_index + 1 : 0, dev_type, dev);
+
+        if (result) {
+                pr_debug("%s:%d get_did failed\n", __func__, __LINE__);
+                return result;
+        }
+
+        result = ps3_repository_read_bus_id(bus_index, &dev->did.bus_id);
+
+        if (result) {
+                pr_debug("%s:%d read_bus_id failed\n",
+                        __func__, __LINE__);
+                return result;
+        }
+
+        dev->bus_index = bus_index;
+
+        pr_debug("%s:%d found: bus_id %u, dev_id %u\n",
+                __func__, __LINE__, dev->did.bus_id, dev->did.dev_id);
+
+        return result;
+}
+
+int ps3_repository_find_interrupt(const struct ps3_repository_device *dev,
+        enum ps3_interrupt_type intr_type, unsigned int *interrupt_id)
+{
+        int result = 0;
+        unsigned int res_index;
+
+        pr_debug("%s:%d: find intr_type %u\n", __func__, __LINE__, intr_type);
+
+        *interrupt_id = UINT_MAX;
+
+        for (res_index = 0; res_index < 10; res_index++) {
+                enum ps3_interrupt_type t;
+                unsigned int id;
+
+                result = ps3_repository_read_dev_intr(dev->bus_index,
+                        dev->dev_index, res_index, &t, &id);
+
+                if (result) {
+                        pr_debug("%s:%d read_dev_intr failed\n",
+                                __func__, __LINE__);
+                        return result;
+                }
+
+                if (t == intr_type) {
+                        *interrupt_id = id;
+                        break;
+                }
+        }
+
+        BUG_ON(res_index == 10);
+
+        pr_debug("%s:%d: found intr_type %u at res_index %u\n",
+                __func__, __LINE__, intr_type, res_index);
+
+        return result;
+}
+
+int ps3_repository_find_region(const struct ps3_repository_device *dev,
+        enum ps3_region_type reg_type, u64 *bus_addr, u64 *len)
+{
+        int result = 0;
+        unsigned int res_index;
+
+        pr_debug("%s:%d: find reg_type %u\n", __func__, __LINE__, reg_type);
+
+        *bus_addr = *len = 0;
+
+        for (res_index = 0; res_index < 10; res_index++) {
+                enum ps3_region_type t;
+                u64 a;
+                u64 l;
+
+                result = ps3_repository_read_dev_reg(dev->bus_index,
+                        dev->dev_index, res_index, &t, &a, &l);
+
+                if (result) {
+                        pr_debug("%s:%d read_dev_reg failed\n",
+                                __func__, __LINE__);
+                        return result;
+                }
+
+                if (t == reg_type) {
+                        *bus_addr = a;
+                        *len = l;
+                        break;
+                }
+        }
+
+        BUG_ON(res_index == 10);
+
+        pr_debug("%s:%d: found reg_type %u at res_index %u\n",
+                __func__, __LINE__, reg_type, res_index);
+
+        return result;
+}
+
+int ps3_repository_read_rm_size(unsigned int ppe_id, u64 *rm_size)
+{
+        return read_node(PS3_LPAR_ID_CURRENT,
+                make_first_field("bi", 0),
+                make_field("pu", 0),
+                ppe_id,
+                make_field("rm_size", 0),
+                rm_size, 0);
+}
+
+int ps3_repository_read_region_total(u64 *region_total)
+{
+        return read_node(PS3_LPAR_ID_CURRENT,
+                make_first_field("bi", 0),
+                make_field("rgntotal", 0),
+                0, 0,
+                region_total, 0);
+}
+
+/**
+ * ps3_repository_read_mm_info - Read mm info for single pu system.
+ * @rm_base: Real mode memory base address.
+ * @rm_size: Real mode memory size.
+ * @region_total: Maximum memory region size.
+ */
+
+int ps3_repository_read_mm_info(u64 *rm_base, u64 *rm_size, u64 *region_total)
+{
+        int result;
+        u64 ppe_id;
+
+        lv1_get_logical_ppe_id(&ppe_id);
+        *rm_base = 0;
+        result = ps3_repository_read_rm_size(ppe_id, rm_size);
+        return result ? result
+                : ps3_repository_read_region_total(region_total);
+}
+
+/**
+ * ps3_repository_read_num_spu_reserved - Number of physical spus reserved.
+ * @num_spu: Number of physical spus.
+ */
+
+int ps3_repository_read_num_spu_reserved(unsigned int *num_spu_reserved)
+{
+        int result;
+        u64 v1;
+
+        result = read_node(PS3_LPAR_ID_CURRENT,
+                make_first_field("bi", 0),
+                make_field("spun", 0),
+                0, 0,
+                &v1, 0);
+        *num_spu_reserved = v1;
+        return result;
+}
+
+/**
+ * ps3_repository_read_num_spu_resource_id - Number of spu resource reservations.
+ * @num_resource_id: Number of spu resource ids.
+ */
+
+int ps3_repository_read_num_spu_resource_id(unsigned int *num_resource_id)
+{
+        int result;
+        u64 v1;
+
+        result = read_node(PS3_LPAR_ID_CURRENT,
+                make_first_field("bi", 0),
+                make_field("spursvn", 0),
+                0, 0,
+                &v1, 0);
+        *num_resource_id = v1;
+        return result;
+}
+
+/**
+ * ps3_repository_read_spu_resource_id - spu resource reservation id value.
+ * @res_index: Resource reservation index.
+ * @resource_type: Resource reservation type.
+ * @resource_id: Resource reservation id.
+ */
+
+int ps3_repository_read_spu_resource_id(unsigned int res_index,
+        enum ps3_spu_resource_type* resource_type, unsigned int *resource_id)
+{
+        int result;
+        u64 v1;
+        u64 v2;
+
+        result = read_node(PS3_LPAR_ID_CURRENT,
+                make_first_field("bi", 0),
+                make_field("spursv", 0),
+                res_index,
+                0,
+                &v1, &v2);
+        *resource_type = v1;
+        *resource_id = v2;
+        return result;
+}
+
+int ps3_repository_read_boot_dat_address(u64 *address)
+{
+        return read_node(PS3_LPAR_ID_CURRENT,
+                make_first_field("bi", 0),
+                make_field("boot_dat", 0),
+                make_field("address", 0),
+                0,
+                address, 0);
+}
+
+int ps3_repository_read_boot_dat_size(unsigned int *size)
+{
+        int result;
+        u64 v1;
+
+        result = read_node(PS3_LPAR_ID_CURRENT,
+                make_first_field("bi", 0),
+                make_field("boot_dat", 0),
+                make_field("size", 0),
+                0,
+                &v1, 0);
+        *size = v1;
+        return result;
+}
+
+/**
+  * ps3_repository_read_boot_dat_info - Get address and size of cell_ext_os_area.
+  * address: lpar address of cell_ext_os_area
+  * @size: size of cell_ext_os_area
+  */
+
+int ps3_repository_read_boot_dat_info(u64 *lpar_addr, unsigned int *size)
+{
+        int result;
+
+        *size = 0;
+        result = ps3_repository_read_boot_dat_address(lpar_addr);
+        return result ? result
+                : ps3_repository_read_boot_dat_size(size);
+}
+
+int ps3_repository_read_num_be(unsigned int *num_be)
+{
+        int result;
+        u64 v1;
+
+        result = read_node(PS3_LPAR_ID_PME,
+                make_first_field("ben", 0),
+                0,
+                0,
+                0,
+                &v1, 0);
+        *num_be = v1;
+        return result;
+}
+
+int ps3_repository_read_be_node_id(unsigned int be_index, u64 *node_id)
+{
+        return read_node(PS3_LPAR_ID_PME,
+                make_first_field("be", be_index),
+                0,
+                0,
+                0,
+                node_id, 0);
+}
+
+int ps3_repository_read_tb_freq(u64 node_id, u64 *tb_freq)
+{
+        return read_node(PS3_LPAR_ID_PME,
+                make_first_field("be", 0),
+                node_id,
+                make_field("clock", 0),
+                0,
+                tb_freq, 0);
+}
+
+int ps3_repository_read_be_tb_freq(unsigned int be_index, u64 *tb_freq)
+{
+        int result;
+        u64 node_id;
+
+        *tb_freq = 0;
+        result = ps3_repository_read_be_node_id(0, &node_id);
+        return result ? result
+                : ps3_repository_read_tb_freq(node_id, tb_freq);
+}
diff --git a/include/asm-powerpc/ps3.h b/include/asm-powerpc/ps3.h
index d0109ffac50e..eb4bbb6cff57 100644
--- a/include/asm-powerpc/ps3.h
+++ b/include/asm-powerpc/ps3.h
@@ -247,4 +247,143 @@ static inline const char* ps3_result(int result)
 #endif
 }
 
+/* repository bus info */
+
+enum ps3_bus_type {
+        PS3_BUS_TYPE_SB = 4,
+        PS3_BUS_TYPE_STORAGE = 5,
+};
+
+enum ps3_dev_type {
+        PS3_DEV_TYPE_SB_GELIC = 3,
+        PS3_DEV_TYPE_SB_USB = 4,
+        PS3_DEV_TYPE_SB_GPIO = 6,
+};
+
+int ps3_repository_read_bus_str(unsigned int bus_index, const char *bus_str,
+        u64 *value);
+int ps3_repository_read_bus_id(unsigned int bus_index, unsigned int *bus_id);
+int ps3_repository_read_bus_type(unsigned int bus_index,
+        enum ps3_bus_type *bus_type);
+int ps3_repository_read_bus_num_dev(unsigned int bus_index,
+        unsigned int *num_dev);
+
+/* repository bus device info */
+
+enum ps3_interrupt_type {
+        PS3_INTERRUPT_TYPE_EVENT_PORT = 2,
+        PS3_INTERRUPT_TYPE_SB_OHCI = 3,
+        PS3_INTERRUPT_TYPE_SB_EHCI = 4,
+        PS3_INTERRUPT_TYPE_OTHER = 5,
+};
+
+enum ps3_region_type {
+        PS3_REGION_TYPE_SB_OHCI = 3,
+        PS3_REGION_TYPE_SB_EHCI = 4,
+        PS3_REGION_TYPE_SB_GPIO = 5,
+};
+
+int ps3_repository_read_dev_str(unsigned int bus_index,
+        unsigned int dev_index, const char *dev_str, u64 *value);
+int ps3_repository_read_dev_id(unsigned int bus_index, unsigned int dev_index,
+        unsigned int *dev_id);
+int ps3_repository_read_dev_type(unsigned int bus_index,
+        unsigned int dev_index, enum ps3_dev_type *dev_type);
+int ps3_repository_read_dev_intr(unsigned int bus_index,
+        unsigned int dev_index, unsigned int intr_index,
+        enum ps3_interrupt_type *intr_type, unsigned int *interrupt_id);
+int ps3_repository_read_dev_reg_type(unsigned int bus_index,
+        unsigned int dev_index, unsigned int reg_index,
+        enum ps3_region_type *reg_type);
+int ps3_repository_read_dev_reg_addr(unsigned int bus_index,
+        unsigned int dev_index, unsigned int reg_index, u64 *bus_addr,
+        u64 *len);
+int ps3_repository_read_dev_reg(unsigned int bus_index,
+        unsigned int dev_index, unsigned int reg_index,
+        enum ps3_region_type *reg_type, u64 *bus_addr, u64 *len);
+
+/* repository bus enumerators */
+
+struct ps3_repository_device {
+        unsigned int bus_index;
+        unsigned int dev_index;
+        struct ps3_device_id did;
+};
+
+int ps3_repository_find_device(enum ps3_bus_type bus_type,
+        enum ps3_dev_type dev_type,
+        const struct ps3_repository_device *start_dev,
+        struct ps3_repository_device *dev);
+static inline int ps3_repository_find_first_device(
+        enum ps3_bus_type bus_type, enum ps3_dev_type dev_type,
+        struct ps3_repository_device *dev)
+{
+        return ps3_repository_find_device(bus_type, dev_type, NULL, dev);
+}
+int ps3_repository_find_interrupt(const struct ps3_repository_device *dev,
+        enum ps3_interrupt_type intr_type, unsigned int *interrupt_id);
+int ps3_repository_find_region(const struct ps3_repository_device *dev,
+        enum ps3_region_type reg_type, u64 *bus_addr, u64 *len);
+
+/* repository block device info */
+
+int ps3_repository_read_dev_port(unsigned int bus_index,
+        unsigned int dev_index, u64 *port);
+int ps3_repository_read_dev_blk_size(unsigned int bus_index,
+        unsigned int dev_index, u64 *blk_size);
+int ps3_repository_read_dev_num_blocks(unsigned int bus_index,
+        unsigned int dev_index, u64 *num_blocks);
+int ps3_repository_read_dev_num_regions(unsigned int bus_index,
+        unsigned int dev_index, unsigned int *num_regions);
+int ps3_repository_read_dev_region_id(unsigned int bus_index,
+        unsigned int dev_index, unsigned int region_index,
+        unsigned int *region_id);
+int ps3_repository_read_dev_region_size(unsigned int bus_index,
+        unsigned int dev_index, unsigned int region_index, u64 *region_size);
+int ps3_repository_read_dev_region_start(unsigned int bus_index,
+        unsigned int dev_index, unsigned int region_index, u64 *region_start);
+
+/* repository pu and memory info */
+
+int ps3_repository_read_num_pu(unsigned int *num_pu);
+int ps3_repository_read_ppe_id(unsigned int *pu_index, unsigned int *ppe_id);
+int ps3_repository_read_rm_base(unsigned int ppe_id, u64 *rm_base);
+int ps3_repository_read_rm_size(unsigned int ppe_id, u64 *rm_size);
+int ps3_repository_read_region_total(u64 *region_total);
+int ps3_repository_read_mm_info(u64 *rm_base, u64 *rm_size,
+        u64 *region_total);
+
+/* repository pme info */
+
+int ps3_repository_read_num_be(unsigned int *num_be);
+int ps3_repository_read_be_node_id(unsigned int be_index, u64 *node_id);
+int ps3_repository_read_tb_freq(u64 node_id, u64 *tb_freq);
+int ps3_repository_read_be_tb_freq(unsigned int be_index, u64 *tb_freq);
+
+/* repository 'Other OS' area */
+
+int ps3_repository_read_boot_dat_addr(u64 *lpar_addr);
+int ps3_repository_read_boot_dat_size(unsigned int *size);
+int ps3_repository_read_boot_dat_info(u64 *lpar_addr, unsigned int *size);
+
+/* repository spu info */
+
+/**
+ * enum spu_resource_type - Type of spu resource.
+ * @spu_resource_type_shared: Logical spu is shared with other partions.
+ * @spu_resource_type_exclusive: Logical spu is not shared with other partions.
+ *
+ * Returned by ps3_repository_read_spu_resource_id().
+ */
+
+enum ps3_spu_resource_type {
+        PS3_SPU_RESOURCE_TYPE_SHARED = 0,
+        PS3_SPU_RESOURCE_TYPE_EXCLUSIVE = 0x8000000000000000UL,
+};
+
+int ps3_repository_read_num_spu_reserved(unsigned int *num_spu_reserved);
+int ps3_repository_read_num_spu_resource_id(unsigned int *num_resource_id);
+int ps3_repository_read_spu_resource_id(unsigned int res_index,
+        enum ps3_spu_resource_type* resource_type, unsigned int *resource_id);
+
 #endif