8 files changed, 168 insertions, 85 deletions

diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index 1f4df647c384..272c5ef35bbb 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -191,6 +191,9 @@
 # ifndef cpu_has_64bit_addresses
 # define cpu_has_64bit_addresses        0
 # endif
+# ifndef cpu_vmbits
+# define cpu_vmbits 31
+# endif
 #endif
 
 #ifdef CONFIG_64BIT
@@ -209,6 +212,10 @@
 # ifndef cpu_has_64bit_addresses
 # define cpu_has_64bit_addresses        1
 # endif
+# ifndef cpu_vmbits
+# define cpu_vmbits cpu_data[0].vmbits
+# define __NEED_VMBITS_PROBE
+# endif
 #endif
 
 #if defined(CONFIG_CPU_MIPSR2_IRQ_VI) && !defined(cpu_has_vint)
diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h
index 126044308dec..b39def3f6e03 100644
--- a/arch/mips/include/asm/cpu-info.h
+++ b/arch/mips/include/asm/cpu-info.h
@@ -58,6 +58,9 @@ struct cpuinfo_mips {
         struct cache_desc       tcache; /* Tertiary/split secondary cache */
         int                     srsets; /* Shadow register sets */
         int                     core;   /* physical core number */
+#ifdef CONFIG_64BIT
+        int                     vmbits; /* Virtual memory size in bits */
+#endif
 #if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_MIPS_MT_SMTC)
         /*
          * In the MIPS MT "SMTC" model, each TC is considered
diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h
index 06960364c96b..dea4aed6478f 100644
--- a/arch/mips/include/asm/irq.h
+++ b/arch/mips/include/asm/irq.h
@@ -135,6 +135,7 @@ extern void free_irqno(unsigned int irq);
 #define CP0_LEGACY_COMPARE_IRQ 7
 
 extern int cp0_compare_irq;
+extern int cp0_compare_irq_shift;
 extern int cp0_perfcount_irq;
 
 #endif /* _ASM_IRQ_H */
diff --git a/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h b/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h
index 06f68f43800a..d206000fbfe2 100644
--- a/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h
+++ b/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h
@@ -305,6 +305,7 @@ typedef struct dbdma_chan_config {
         dbdev_tab_t             *chan_dest;
         au1x_dma_chan_t         *chan_ptr;
         au1x_ddma_desc_t        *chan_desc_base;
+        u32                     cdb_membase; /* kmalloc base of above */
         au1x_ddma_desc_t        *get_ptr, *put_ptr, *cur_ptr;
         void                    *chan_callparam;
         void                    (*chan_callback)(int, void *);
diff --git a/arch/mips/include/asm/mach-powertv/asic_reg_map.h b/arch/mips/include/asm/mach-powertv/asic_reg_map.h
new file mode 100644
index 000000000000..6f26cb09828e
--- /dev/null
+++ b/arch/mips/include/asm/mach-powertv/asic_reg_map.h
@@ -0,0 +1,90 @@
+/*
+ *                              asic_reg_map.h
+ *
+ * A macro-enclosed list of the elements for the register_map structure for
+ * use in defining and manipulating the structure.
+ *
+ * Copyright (C) 2009  Cisco Systems, Inc.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+REGISTER_MAP_ELEMENT(eic_slow0_strt_add)
+REGISTER_MAP_ELEMENT(eic_cfg_bits)
+REGISTER_MAP_ELEMENT(eic_ready_status)
+REGISTER_MAP_ELEMENT(chipver3)
+REGISTER_MAP_ELEMENT(chipver2)
+REGISTER_MAP_ELEMENT(chipver1)
+REGISTER_MAP_ELEMENT(chipver0)
+REGISTER_MAP_ELEMENT(uart1_intstat)
+REGISTER_MAP_ELEMENT(uart1_inten)
+REGISTER_MAP_ELEMENT(uart1_config1)
+REGISTER_MAP_ELEMENT(uart1_config2)
+REGISTER_MAP_ELEMENT(uart1_divisorhi)
+REGISTER_MAP_ELEMENT(uart1_divisorlo)
+REGISTER_MAP_ELEMENT(uart1_data)
+REGISTER_MAP_ELEMENT(uart1_status)
+REGISTER_MAP_ELEMENT(int_stat_3)
+REGISTER_MAP_ELEMENT(int_stat_2)
+REGISTER_MAP_ELEMENT(int_stat_1)
+REGISTER_MAP_ELEMENT(int_stat_0)
+REGISTER_MAP_ELEMENT(int_config)
+REGISTER_MAP_ELEMENT(int_int_scan)
+REGISTER_MAP_ELEMENT(ien_int_3)
+REGISTER_MAP_ELEMENT(ien_int_2)
+REGISTER_MAP_ELEMENT(ien_int_1)
+REGISTER_MAP_ELEMENT(ien_int_0)
+REGISTER_MAP_ELEMENT(int_level_3_3)
+REGISTER_MAP_ELEMENT(int_level_3_2)
+REGISTER_MAP_ELEMENT(int_level_3_1)
+REGISTER_MAP_ELEMENT(int_level_3_0)
+REGISTER_MAP_ELEMENT(int_level_2_3)
+REGISTER_MAP_ELEMENT(int_level_2_2)
+REGISTER_MAP_ELEMENT(int_level_2_1)
+REGISTER_MAP_ELEMENT(int_level_2_0)
+REGISTER_MAP_ELEMENT(int_level_1_3)
+REGISTER_MAP_ELEMENT(int_level_1_2)
+REGISTER_MAP_ELEMENT(int_level_1_1)
+REGISTER_MAP_ELEMENT(int_level_1_0)
+REGISTER_MAP_ELEMENT(int_level_0_3)
+REGISTER_MAP_ELEMENT(int_level_0_2)
+REGISTER_MAP_ELEMENT(int_level_0_1)
+REGISTER_MAP_ELEMENT(int_level_0_0)
+REGISTER_MAP_ELEMENT(int_docsis_en)
+REGISTER_MAP_ELEMENT(mips_pll_setup)
+REGISTER_MAP_ELEMENT(usb_fs)
+REGISTER_MAP_ELEMENT(test_bus)
+REGISTER_MAP_ELEMENT(crt_spare)
+REGISTER_MAP_ELEMENT(usb2_ohci_int_mask)
+REGISTER_MAP_ELEMENT(usb2_strap)
+REGISTER_MAP_ELEMENT(ehci_hcapbase)
+REGISTER_MAP_ELEMENT(ohci_hc_revision)
+REGISTER_MAP_ELEMENT(bcm1_bs_lmi_steer)
+REGISTER_MAP_ELEMENT(usb2_control)
+REGISTER_MAP_ELEMENT(usb2_stbus_obc)
+REGISTER_MAP_ELEMENT(usb2_stbus_mess_size)
+REGISTER_MAP_ELEMENT(usb2_stbus_chunk_size)
+REGISTER_MAP_ELEMENT(pcie_regs)
+REGISTER_MAP_ELEMENT(tim_ch)
+REGISTER_MAP_ELEMENT(tim_cl)
+REGISTER_MAP_ELEMENT(gpio_dout)
+REGISTER_MAP_ELEMENT(gpio_din)
+REGISTER_MAP_ELEMENT(gpio_dir)
+REGISTER_MAP_ELEMENT(watchdog)
+REGISTER_MAP_ELEMENT(front_panel)
+REGISTER_MAP_ELEMENT(misc_clk_ctl1)
+REGISTER_MAP_ELEMENT(misc_clk_ctl2)
+REGISTER_MAP_ELEMENT(crt_ext_ctl)
+REGISTER_MAP_ELEMENT(register_maps)
diff --git a/arch/mips/include/asm/mach-powertv/asic_regs.h b/arch/mips/include/asm/mach-powertv/asic_regs.h
index 9a65c93782f9..1e11236c6dbc 100644
--- a/arch/mips/include/asm/mach-powertv/asic_regs.h
+++ b/arch/mips/include/asm/mach-powertv/asic_regs.h
@@ -35,11 +35,12 @@ enum asic_type {
 #define CRONUS_11       0x0B4C1C21
 #define CRONUSLITE_10   0x0B4C1C40
 
-#define NAND_FLASH_BASE 0x03000000
-#define ZEUS_IO_BASE    0x09000000
+#define NAND_FLASH_BASE         0x03000000
 #define CALLIOPE_IO_BASE        0x08000000
-#define CRONUS_IO_BASE  0x09000000
-#define ASIC_IO_SIZE    0x01000000
+#define CRONUS_IO_BASE          0x09000000
+#define ZEUS_IO_BASE            0x09000000
+
+#define ASIC_IO_SIZE            0x01000000
 
 /* Definitions for backward compatibility */
 #define UART1_INTSTAT   uart1_intstat
@@ -52,96 +53,62 @@ enum asic_type {
 #define UART1_STATUS    uart1_status
 
 /* ASIC register enumeration */
+union register_map_entry {
+        unsigned long phys;
+        u32 *virt;
+};
+
+#define REGISTER_MAP_ELEMENT(x) union register_map_entry x;
 struct register_map {
-        u32 eic_slow0_strt_add;
-        u32 eic_cfg_bits;
-        u32 eic_ready_status;
-
-        u32 chipver3;
-        u32 chipver2;
-        u32 chipver1;
-        u32 chipver0;
-
-        u32 uart1_intstat;
-        u32 uart1_inten;
-        u32 uart1_config1;
-        u32 uart1_config2;
-        u32 uart1_divisorhi;
-        u32 uart1_divisorlo;
-        u32 uart1_data;
-        u32 uart1_status;
-
-        u32 int_stat_3;
-        u32 int_stat_2;
-        u32 int_stat_1;
-        u32 int_stat_0;
-        u32 int_config;
-        u32 int_int_scan;
-        u32 ien_int_3;
-        u32 ien_int_2;
-        u32 ien_int_1;
-        u32 ien_int_0;
-        u32 int_level_3_3;
-        u32 int_level_3_2;
-        u32 int_level_3_1;
-        u32 int_level_3_0;
-        u32 int_level_2_3;
-        u32 int_level_2_2;
-        u32 int_level_2_1;
-        u32 int_level_2_0;
-        u32 int_level_1_3;
-        u32 int_level_1_2;
-        u32 int_level_1_1;
-        u32 int_level_1_0;
-        u32 int_level_0_3;
-        u32 int_level_0_2;
-        u32 int_level_0_1;
-        u32 int_level_0_0;
-        u32 int_docsis_en;
-
-        u32 mips_pll_setup;
-        u32 usb_fs;
-        u32 test_bus;
-        u32 crt_spare;
-        u32 usb2_ohci_int_mask;
-        u32 usb2_strap;
-        u32 ehci_hcapbase;
-        u32 ohci_hc_revision;
-        u32 bcm1_bs_lmi_steer;
-        u32 usb2_control;
-        u32 usb2_stbus_obc;
-        u32 usb2_stbus_mess_size;
-        u32 usb2_stbus_chunk_size;
-
-        u32 pcie_regs;
-        u32 tim_ch;
-        u32 tim_cl;
-        u32 gpio_dout;
-        u32 gpio_din;
-        u32 gpio_dir;
-        u32 watchdog;
-        u32 front_panel;
-
-        u32 register_maps;
+#include <asm/mach-powertv/asic_reg_map.h>
 };
+#undef REGISTER_MAP_ELEMENT
+
+/**
+ * register_map_offset_phys - add an offset to the physical address
+ * @map:        Pointer to the &struct register_map
+ * @offset:     Value to add
+ *
+ * Only adds the base to non-zero physical addresses
+ */
+static inline void register_map_offset_phys(struct register_map *map,
+        unsigned long offset)
+{
+#define REGISTER_MAP_ELEMENT(x)         do {                            \
+                if (map->x.phys != 0)                                   \
+                        map->x.phys += offset;                          \
+        } while (false);
+
+#include <asm/mach-powertv/asic_reg_map.h>
+#undef REGISTER_MAP_ELEMENT
+}
+
+/**
+ * register_map_virtualize - Convert &register_map to virtual addresses
+ * @map:        Pointer to &register_map to virtualize
+ */
+static inline void register_map_virtualize(struct register_map *map)
+{
+#define REGISTER_MAP_ELEMENT(x)         do {                            \
+                map->x.virt = (!map->x.phys) ? NULL :                   \
+                        UNCAC_ADDR(phys_to_virt(map->x.phys));          \
+        } while (false);
+
+#include <asm/mach-powertv/asic_reg_map.h>
+#undef REGISTER_MAP_ELEMENT
+}
 
-extern enum asic_type asic;
-extern const struct register_map *register_map;
-extern unsigned long asic_phy_base;     /* Physical address of ASIC */
-extern unsigned long asic_base;         /* Virtual address of ASIC */
+extern struct register_map _asic_register_map;
 
 /*
  * Macros to interface to registers through their ioremapped address
- * asic_reg_offset      Returns the offset of a given register from the start
- *                      of the ASIC address space
  * asic_reg_phys_addr   Returns the physical address of the given register
  * asic_reg_addr        Returns the iomapped virtual address of the given
  *                      register.
  */
-#define asic_reg_offset(x)      (register_map->x)
-#define asic_reg_phys_addr(x)   (asic_phy_base + asic_reg_offset(x))
-#define asic_reg_addr(x) \
-        ((unsigned int *) (asic_base + asic_reg_offset(x)))
+#define asic_reg_addr(x)        (_asic_register_map.x.virt)
+#define asic_reg_phys_addr(x)   (virt_to_phys((void *) CAC_ADDR(        \
+                                        (unsigned long) asic_reg_addr(x))))
 
 /*
  * The asic_reg macro is gone. It should be replaced by either asic_read or
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index a581d60cbcc2..f4ab3139d737 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -406,6 +406,16 @@
 #define ST0_XX                  0x80000000      /* MIPS IV naming */
 
 /*
+ * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
+ *
+ * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
+ */
+#define INTCTLB_IPPCI           26
+#define INTCTLF_IPPCI           (_ULCAST_(7) << INTCTLB_IPPCI)
+#define INTCTLB_IPTI            29
+#define INTCTLF_IPTI            (_ULCAST_(7) << INTCTLB_IPTI)
+
+/*
  * Bitfields and bit numbers in the coprocessor 0 cause register.
  *
  * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
@@ -434,6 +444,8 @@
 #define  CAUSEF_IV              (_ULCAST_(1)   << 23)
 #define  CAUSEB_CE              28
 #define  CAUSEF_CE              (_ULCAST_(3)   << 28)
+#define  CAUSEB_TI              30
+#define  CAUSEF_TI              (_ULCAST_(1)   << 30)
 #define  CAUSEB_BD              31
 #define  CAUSEF_BD              (_ULCAST_(1)   << 31)
 
diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h
index 9cd508993956..8eda30b467da 100644
--- a/arch/mips/include/asm/pgtable-64.h
+++ b/arch/mips/include/asm/pgtable-64.h
@@ -110,7 +110,9 @@
 #define VMALLOC_START           MAP_BASE
 #define VMALLOC_END     \
         (VMALLOC_START + \
-         PTRS_PER_PGD * PTRS_PER_PMD * PTRS_PER_PTE * PAGE_SIZE - (1UL << 32))
+         min(PTRS_PER_PGD * PTRS_PER_PMD * PTRS_PER_PTE * PAGE_SIZE, \
+             (1UL << cpu_vmbits)) - (1UL << 32))
+
 #if defined(CONFIG_MODULES) && defined(KBUILD_64BIT_SYM32) && \
         VMALLOC_START != CKSSEG
 /* Load modules into 32bit-compatible segment. */