Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

The SmartMedia FTL code depends on new kfifo bits from 2.6.33

9 files changed, 864 insertions, 0 deletions

diff --git a/arch/mips/include/asm/mach-powertv/asic.h b/arch/mips/include/asm/mach-powertv/asic.h
new file mode 100644
index 00000000000..bcad43a93eb
--- /dev/null
+++ b/arch/mips/include/asm/mach-powertv/asic.h
@@ -0,0 +1,107 @@
+/*
+ * 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
+ */
+
+#ifndef _ASM_MACH_POWERTV_ASIC_H
+#define _ASM_MACH_POWERTV_ASIC_H
+
+#include <linux/ioport.h>
+#include <asm/mach-powertv/asic_regs.h>
+
+#define DVR_CAPABLE     (1<<0)
+#define PCIE_CAPABLE    (1<<1)
+#define FFS_CAPABLE     (1<<2)
+#define DISPLAY_CAPABLE (1<<3)
+
+/* Platform Family types
+ * For compitability, the new value must be added in the end */
+enum family_type {
+	FAMILY_8500,
+	FAMILY_8500RNG,
+	FAMILY_4500,
+	FAMILY_1500,
+	FAMILY_8600,
+	FAMILY_4600,
+	FAMILY_4600VZA,
+	FAMILY_8600VZB,
+	FAMILY_1500VZE,
+	FAMILY_1500VZF,
+	FAMILIES
+};
+
+/* Register maps for each ASIC */
+extern const struct register_map calliope_register_map;
+extern const struct register_map cronus_register_map;
+extern const struct register_map zeus_register_map;
+
+extern struct resource dvr_cronus_resources[];
+extern struct resource dvr_zeus_resources[];
+extern struct resource non_dvr_calliope_resources[];
+extern struct resource non_dvr_cronus_resources[];
+extern struct resource non_dvr_cronuslite_resources[];
+extern struct resource non_dvr_vz_calliope_resources[];
+extern struct resource non_dvr_vze_calliope_resources[];
+extern struct resource non_dvr_vzf_calliope_resources[];
+extern struct resource non_dvr_zeus_resources[];
+
+extern void powertv_platform_init(void);
+extern void platform_alloc_bootmem(void);
+extern enum asic_type platform_get_asic(void);
+extern enum family_type platform_get_family(void);
+extern int platform_supports_dvr(void);
+extern int platform_supports_ffs(void);
+extern int platform_supports_pcie(void);
+extern int platform_supports_display(void);
+extern void configure_platform(void);
+extern void platform_configure_usb_ehci(void);
+extern void platform_unconfigure_usb_ehci(void);
+extern void platform_configure_usb_ohci(void);
+extern void platform_unconfigure_usb_ohci(void);
+
+/* Platform Resources */
+#define ASIC_RESOURCE_GET_EXISTS 1
+extern struct resource *asic_resource_get(const char *name);
+extern void platform_release_memory(void *baddr, int size);
+
+/* Reboot Cause */
+extern void set_reboot_cause(char code, unsigned int data, unsigned int data2);
+extern void set_locked_reboot_cause(char code, unsigned int data,
+	unsigned int data2);
+
+enum sys_reboot_type {
+	sys_unknown_reboot = 0x00,	/* Unknown reboot cause */
+	sys_davic_change = 0x01,	/* Reboot due to change in DAVIC
+					 * mode */
+	sys_user_reboot = 0x02,		/* Reboot initiated by user */
+	sys_system_reboot = 0x03,	/* Reboot initiated by OS */
+	sys_trap_reboot = 0x04,		/* Reboot due to a CPU trap */
+	sys_silent_reboot = 0x05,	/* Silent reboot */
+	sys_boot_ldr_reboot = 0x06,	/* Bootloader reboot */
+	sys_power_up_reboot = 0x07,	/* Power on bootup.  Older
+					 * drivers may report as
+					 * userReboot. */
+	sys_code_change = 0x08,		/* Reboot to take code change.
+					 * Older drivers may report as
+					 * userReboot. */
+	sys_hardware_reset = 0x09,	/* HW watchdog or front-panel
+					 * reset button reset.  Older
+					 * drivers may report as
+					 * userReboot. */
+	sys_watchdogInterrupt = 0x0A	/* Pre-watchdog interrupt */
+};
+
+#endif /* _ASM_MACH_POWERTV_ASIC_H */
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 00000000000..6f26cb09828
--- /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
new file mode 100644
index 00000000000..1e11236c6db
--- /dev/null
+++ b/arch/mips/include/asm/mach-powertv/asic_regs.h
@@ -0,0 +1,122 @@
+/*
+ * 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
+ */
+
+#ifndef __ASM_MACH_POWERTV_ASIC_H_
+#define __ASM_MACH_POWERTV_ASIC_H_
+#include <linux/io.h>
+
+/* ASIC types */
+enum asic_type {
+	ASIC_UNKNOWN,
+	ASIC_ZEUS,
+	ASIC_CALLIOPE,
+	ASIC_CRONUS,
+	ASIC_CRONUSLITE,
+	ASICS
+};
+
+/* hardcoded values read from Chip Version registers */
+#define CRONUS_10	0x0B4C1C20
+#define CRONUS_11	0x0B4C1C21
+#define CRONUSLITE_10	0x0B4C1C40
+
+#define NAND_FLASH_BASE		0x03000000
+#define CALLIOPE_IO_BASE	0x08000000
+#define CRONUS_IO_BASE		0x09000000
+#define ZEUS_IO_BASE		0x09000000
+
+#define ASIC_IO_SIZE		0x01000000
+
+/* Definitions for backward compatibility */
+#define UART1_INTSTAT	uart1_intstat
+#define UART1_INTEN	uart1_inten
+#define UART1_CONFIG1	uart1_config1
+#define UART1_CONFIG2	uart1_config2
+#define UART1_DIVISORHI	uart1_divisorhi
+#define UART1_DIVISORLO	uart1_divisorlo
+#define UART1_DATA	uart1_data
+#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 {
+#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 struct register_map _asic_register_map;
+
+/*
+ * Macros to interface to registers through their ioremapped address
+ * 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_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
+ * asic_write, as appropriate.
+ */
+
+#define asic_read(x)		readl(asic_reg_addr(x))
+#define asic_write(v, x)	writel(v, asic_reg_addr(x))
+
+extern void asic_irq_init(void);
+#endif
diff --git a/arch/mips/include/asm/mach-powertv/dma-coherence.h b/arch/mips/include/asm/mach-powertv/dma-coherence.h
new file mode 100644
index 00000000000..5b8d5ebeb83
--- /dev/null
+++ b/arch/mips/include/asm/mach-powertv/dma-coherence.h
@@ -0,0 +1,119 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Version from mach-generic modified to support PowerTV port
+ * Portions Copyright (C) 2009  Cisco Systems, Inc.
+ * Copyright (C) 2006  Ralf Baechle <ralf@linux-mips.org>
+ *
+ */
+
+#ifndef __ASM_MACH_POWERTV_DMA_COHERENCE_H
+#define __ASM_MACH_POWERTV_DMA_COHERENCE_H
+
+#include <linux/sched.h>
+#include <linux/version.h>
+#include <linux/device.h>
+#include <asm/mach-powertv/asic.h>
+
+static inline bool is_kseg2(void *addr)
+{
+	return (unsigned long)addr >= KSEG2;
+}
+
+static inline unsigned long virt_to_phys_from_pte(void *addr)
+{
+	pgd_t *pgd;
+	pud_t *pud;
+	pmd_t *pmd;
+	pte_t *ptep, pte;
+
+	unsigned long virt_addr = (unsigned long)addr;
+	unsigned long phys_addr = 0UL;
+
+	/* get the page global directory. */
+	pgd = pgd_offset_k(virt_addr);
+
+	if (!pgd_none(*pgd)) {
+		/* get the page upper directory */
+		pud = pud_offset(pgd, virt_addr);
+		if (!pud_none(*pud)) {
+			/* get the page middle directory */
+			pmd = pmd_offset(pud, virt_addr);
+			if (!pmd_none(*pmd)) {
+				/* get a pointer to the page table entry */
+				ptep = pte_offset(pmd, virt_addr);
+				pte = *ptep;
+				/* check for a valid page */
+				if (pte_present(pte)) {
+					/* get the physical address the page is
+					 * refering to */
+					phys_addr = (unsigned long)
+						page_to_phys(pte_page(pte));
+					/* add the offset within the page */
+					phys_addr |= (virt_addr & ~PAGE_MASK);
+				}
+			}
+		}
+	}
+
+	return phys_addr;
+}
+
+static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
+	size_t size)
+{
+	if (is_kseg2(addr))
+		return phys_to_bus(virt_to_phys_from_pte(addr));
+	else
+		return phys_to_bus(virt_to_phys(addr));
+}
+
+static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
+	struct page *page)
+{
+	return phys_to_bus(page_to_phys(page));
+}
+
+static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
+	dma_addr_t dma_addr)
+{
+	return bus_to_phys(dma_addr);
+}
+
+static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr,
+	size_t size, enum dma_data_direction direction)
+{
+}
+
+static inline int plat_dma_supported(struct device *dev, u64 mask)
+{
+	/*
+	 * we fall back to GFP_DMA when the mask isn't all 1s,
+	 * so we can't guarantee allocations that must be
+	 * within a tighter range than GFP_DMA..
+	 */
+	if (mask < DMA_BIT_MASK(24))
+		return 0;
+
+	return 1;
+}
+
+static inline void plat_extra_sync_for_device(struct device *dev)
+{
+	return;
+}
+
+static inline int plat_dma_mapping_error(struct device *dev,
+					 dma_addr_t dma_addr)
+{
+	return 0;
+}
+
+static inline int plat_device_is_coherent(struct device *dev)
+{
+	return 0;
+}
+
+#endif /* __ASM_MACH_POWERTV_DMA_COHERENCE_H */
diff --git a/arch/mips/include/asm/mach-powertv/interrupts.h b/arch/mips/include/asm/mach-powertv/interrupts.h
new file mode 100644
index 00000000000..629a5741365
--- /dev/null
+++ b/arch/mips/include/asm/mach-powertv/interrupts.h
@@ -0,0 +1,254 @@
+/*
+ * 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
+ */
+
+#ifndef	_ASM_MACH_POWERTV_INTERRUPTS_H_
+#define _ASM_MACH_POWERTV_INTERRUPTS_H_
+
+/*
+ * Defines for all of the interrupt lines
+ */
+
+/* Definitions for backward compatibility */
+#define kIrq_Uart1		irq_uart1
+
+#define ibase 0
+
+/*------------- Register: int_stat_3 */
+/* 126 unused (bit 31) */
+#define irq_asc2video		(ibase+126)	/* ASC 2 Video Interrupt */
+#define irq_asc1video		(ibase+125)	/* ASC 1 Video Interrupt */
+#define irq_comms_block_wd	(ibase+124)	/* ASC 1 Video Interrupt */
+#define irq_fdma_mailbox	(ibase+123)	/* FDMA Mailbox Output */
+#define irq_fdma_gp		(ibase+122)	/* FDMA GP Output */
+#define irq_mips_pic		(ibase+121)	/* MIPS Performance Counter
+						 * Interrupt */
+#define irq_mips_timer		(ibase+120)	/* MIPS Timer Interrupt */
+#define irq_memory_protect	(ibase+119)	/* Memory Protection Interrupt
+						 * -- Ored by glue logic inside
+						 *  SPARC ILC (see
+						 *  INT_MEM_PROT_STAT, below,
+						 *  for individual interrupts)
+						 */
+/* 118 unused (bit 22) */
+#define irq_sbag		(ibase+117)	/* SBAG Interrupt -- Ored by
+						 * glue logic inside SPARC ILC
+						 * (see INT_SBAG_STAT, below,
+						 * for individual interrupts) */
+#define irq_qam_b_fec		(ibase+116)	/* QAM  B FEC Interrupt */
+#define irq_qam_a_fec		(ibase+115)	/* QAM A FEC Interrupt */
+/* 114 unused 	(bit 18) */
+#define irq_mailbox		(ibase+113)	/* Mailbox Debug Interrupt  --
+						 * Ored by glue logic inside
+						 * SPARC ILC (see
+						 * INT_MAILBOX_STAT, below, for
+						 * individual interrupts) */
+#define irq_fuse_stat1		(ibase+112)	/* Fuse Status 1 */
+#define irq_fuse_stat2		(ibase+111)	/* Fuse Status 2 */
+#define irq_fuse_stat3		(ibase+110)	/* Blitter Interrupt / Fuse
+						 * Status 3 */
+#define irq_blitter		(ibase+110)	/* Blitter Interrupt / Fuse
+						 * Status 3 */
+#define irq_avc1_pp0		(ibase+109)	/* AVC Decoder #1 PP0
+						 * Interrupt */
+#define irq_avc1_pp1		(ibase+108)	/* AVC Decoder #1 PP1
+						 * Interrupt */
+#define irq_avc1_mbe		(ibase+107)	/* AVC Decoder #1 MBE
+						 * Interrupt */
+#define irq_avc2_pp0		(ibase+106)	/* AVC Decoder #2 PP0
+						 * Interrupt */
+#define irq_avc2_pp1		(ibase+105)	/* AVC Decoder #2 PP1
+						 * Interrupt */
+#define irq_avc2_mbe		(ibase+104)	/* AVC Decoder #2 MBE
+						 * Interrupt */
+#define irq_zbug_spi		(ibase+103)	/* Zbug SPI Slave Interrupt */
+#define irq_qam_mod2		(ibase+102)	/* QAM Modulator 2 DMA
+						 * Interrupt */
+#define irq_ir_rx		(ibase+101)	/* IR RX 2 Interrupt */
+#define irq_aud_dsp2		(ibase+100)	/* Audio DSP #2 Interrupt */
+#define irq_aud_dsp1		(ibase+99)	/* Audio DSP #1 Interrupt */
+#define irq_docsis		(ibase+98)	/* DOCSIS Debug Interrupt */
+#define irq_sd_dvp1		(ibase+97)	/* SD DVP #1 Interrupt */
+#define irq_sd_dvp2		(ibase+96)	/* SD DVP #2 Interrupt */
+/*------------- Register: int_stat_2 */
+#define irq_hd_dvp		(ibase+95)	/* HD DVP Interrupt */
+#define kIrq_Prewatchdog	(ibase+94)	/* watchdog Pre-Interrupt */
+#define irq_timer2		(ibase+93)	/* Programmable Timer
+						 * Interrupt 2 */
+#define irq_1394		(ibase+92)	/* 1394 Firewire Interrupt */
+#define irq_usbohci		(ibase+91)	/* USB 2.0 OHCI Interrupt */
+#define irq_usbehci		(ibase+90)	/* USB 2.0 EHCI Interrupt */
+#define irq_pciexp		(ibase+89)	/* PCI Express 0 Interrupt */
+#define irq_pciexp0		(ibase+89)	/* PCI Express 0 Interrupt */
+#define irq_afe1		(ibase+88)	/* AFE 1 Interrupt */
+#define irq_sata		(ibase+87)	/* SATA 1 Interrupt */
+#define irq_sata1		(ibase+87)	/* SATA 1 Interrupt */
+#define irq_dtcp		(ibase+86)	/* DTCP Interrupt */
+#define irq_pciexp1		(ibase+85)	/* PCI Express 1 Interrupt */
+/* 84 unused 	(bit 20) */
+/* 83 unused 	(bit 19) */
+/* 82 unused 	(bit 18) */
+#define irq_sata2		(ibase+81)	/* SATA2 Interrupt */
+#define irq_uart2		(ibase+80)	/* UART2 Interrupt */
+#define irq_legacy_usb		(ibase+79)	/* Legacy USB Host ISR (1.1
+						 * Host module) */
+#define irq_pod			(ibase+78)	/* POD Interrupt */
+#define irq_slave_usb		(ibase+77)	/* Slave USB */
+#define irq_denc1		(ibase+76)	/* DENC #1 VTG Interrupt */
+#define irq_vbi_vtg		(ibase+75)	/* VBI VTG Interrupt */
+#define irq_afe2		(ibase+74)	/* AFE 2 Interrupt */
+#define irq_denc2		(ibase+73)	/* DENC #2 VTG Interrupt */
+#define irq_asc2		(ibase+72)	/* ASC #2 Interrupt */
+#define irq_asc1		(ibase+71)	/* ASC #1 Interrupt */
+#define irq_mod_dma		(ibase+70)	/* Modulator DMA Interrupt */
+#define irq_byte_eng1		(ibase+69)	/* Byte Engine Interrupt [1] */
+#define irq_byte_eng0		(ibase+68)	/* Byte Engine Interrupt [0] */
+/* 67 unused 	(bit 03) */
+/* 66 unused 	(bit 02) */
+/* 65 unused 	(bit 01) */
+/* 64 unused 	(bit 00) */
+/*------------- Register: int_stat_1 */
+/* 63 unused 	(bit 31) */
+/* 62 unused 	(bit 30) */
+/* 61 unused 	(bit 29) */
+/* 60 unused 	(bit 28) */
+/* 59 unused 	(bit 27) */
+/* 58 unused 	(bit 26) */
+/* 57 unused 	(bit 25) */
+/* 56 unused 	(bit 24) */
+#define irq_buf_dma_mem2mem	(ibase+55)	/* BufDMA Memory to Memory
+						 * Interrupt */
+#define irq_buf_dma_usbtransmit	(ibase+54)	/* BufDMA USB Transmit
+						 * Interrupt */
+#define irq_buf_dma_qpskpodtransmit (ibase+53)	/* BufDMA QPSK/POD Tramsit
+						 * Interrupt */
+#define irq_buf_dma_transmit_error (ibase+52)	/* BufDMA Transmit Error
+						 * Interrupt */
+#define irq_buf_dma_usbrecv	(ibase+51)	/* BufDMA USB Receive
+						 * Interrupt */
+#define irq_buf_dma_qpskpodrecv	(ibase+50)	/* BufDMA QPSK/POD Receive
+						 * Interrupt */
+#define irq_buf_dma_recv_error	(ibase+49)	/* BufDMA Receive Error
+						 * Interrupt */
+#define irq_qamdma_transmit_play (ibase+48)	/* QAMDMA Transmit/Play
+						 * Interrupt */
+#define irq_qamdma_transmit_error (ibase+47)	/* QAMDMA Transmit Error
+						 * Interrupt */
+#define irq_qamdma_recv2high	(ibase+46)	/* QAMDMA Receive 2 High
+						 * (Chans 63-32) */
+#define irq_qamdma_recv2low	(ibase+45)	/* QAMDMA Receive 2 Low
+						 * (Chans 31-0) */
+#define irq_qamdma_recv1high	(ibase+44)	/* QAMDMA Receive 1 High
+						 * (Chans 63-32) */
+#define irq_qamdma_recv1low	(ibase+43)	/* QAMDMA Receive 1 Low
+						 * (Chans 31-0) */
+#define irq_qamdma_recv_error	(ibase+42)	/* QAMDMA Receive Error
+						 * Interrupt */
+#define irq_mpegsplice		(ibase+41)	/* MPEG Splice Interrupt */
+#define irq_deinterlace_rdy	(ibase+40)	/* Deinterlacer Frame Ready
+						 * Interrupt */
+#define irq_ext_in0		(ibase+39)	/* External Interrupt irq_in0 */
+#define irq_gpio3		(ibase+38)	/* GP I/O IRQ 3 - From GP I/O
+						 * Module */
+#define irq_gpio2		(ibase+37)	/* GP I/O IRQ 2 - From GP I/O
+						 * Module (ABE_intN) */
+#define irq_pcrcmplt1		(ibase+36)	/* PCR Capture Complete  or
+						 * Discontinuity 1 */
+#define irq_pcrcmplt2		(ibase+35)	/* PCR Capture Complete or
+						 * Discontinuity 2 */
+#define irq_parse_peierr	(ibase+34)	/* PID Parser Error Detect
+						 * (PEI) */
+#define irq_parse_cont_err	(ibase+33)	/* PID Parser continuity error
+						 * detect */
+#define irq_ds1framer		(ibase+32)	/* DS1 Framer Interrupt */
+/*------------- Register: int_stat_0 */
+#define irq_gpio1		(ibase+31)	/* GP I/O IRQ 1 - From GP I/O
+						 * Module */
+#define irq_gpio0		(ibase+30)	/* GP I/O IRQ 0 - From GP I/O
+						 * Module */
+#define irq_qpsk_out_aloha	(ibase+29)	/* QPSK Output Slotted Aloha
+						 * (chan 3) Transmission
+						 * Completed OK */
+#define irq_qpsk_out_tdma	(ibase+28)	/* QPSK Output TDMA (chan 2)
+						 * Transmission Completed OK */
+#define irq_qpsk_out_reserve	(ibase+27)	/* QPSK Output Reservation
+						 * (chan 1) Transmission
+						 * Completed OK */
+#define irq_qpsk_out_aloha_err	(ibase+26)	/* QPSK Output Slotted Aloha
+						 * (chan 3)Transmission
+						 * completed with Errors. */
+#define irq_qpsk_out_tdma_err	(ibase+25)	/* QPSK Output TDMA (chan 2)
+						 * Transmission completed with
+						 * Errors. */
+#define irq_qpsk_out_rsrv_err	(ibase+24)	/* QPSK Output Reservation
+						 * (chan 1) Transmission
+						 * completed with Errors */
+#define irq_aloha_fail		(ibase+23)	/* Unsuccessful Resend of Aloha
+						 * for N times. Aloha retry
+						 * timeout for channel 3. */
+#define irq_timer1		(ibase+22)	/* Programmable Timer
+						 * Interrupt */
+#define irq_keyboard		(ibase+21)	/* Keyboard Module Interrupt */
+#define irq_i2c			(ibase+20)	/* I2C Module Interrupt */
+#define irq_spi			(ibase+19)	/* SPI Module Interrupt */
+#define irq_irblaster		(ibase+18)	/* IR Blaster Interrupt */
+#define irq_splice_detect	(ibase+17)	/* PID Key Change Interrupt or
+						 * Splice Detect Interrupt */
+#define irq_se_micro		(ibase+16)	/* Secure Micro I/F Module
+						 * Interrupt */
+#define irq_uart1		(ibase+15)	/* UART Interrupt */
+#define irq_irrecv		(ibase+14)	/* IR Receiver Interrupt */
+#define irq_host_int1		(ibase+13)	/* Host-to-Host Interrupt 1 */
+#define irq_host_int0		(ibase+12)	/* Host-to-Host Interrupt 0 */
+#define irq_qpsk_hecerr		(ibase+11)	/* QPSK HEC Error Interrupt */
+#define irq_qpsk_crcerr		(ibase+10)	/* QPSK AAL-5 CRC Error
+						 * Interrupt */
+/* 9 unused 	(bit 09) */
+/* 8 unused 	(bit 08) */
+#define irq_psicrcerr		(ibase+7) 	/* QAM PSI CRC Error
+						 * Interrupt */
+#define irq_psilength_err	(ibase+6) 	/* QAM PSI Length Error
+						 * Interrupt */
+#define irq_esfforward		(ibase+5) 	/* ESF Interrupt Mark From
+						 * Forward Path Reference -
+						 * every 3ms when forward Mbits
+						 * and forward slot control
+						 * bytes are updated. */
+#define irq_esfreverse		(ibase+4) 	/* ESF Interrupt Mark from
+						 * Reverse Path Reference -
+						 * delayed from forward mark by
+						 * the ranging delay plus a
+						 * fixed amount. When reverse
+						 * Mbits and reverse slot
+						 * control bytes are updated.
+						 * Occurs every 3ms for 3.0M and
+						 * 1.554 M upstream rates and
+						 * every 6 ms for 256K upstream
+						 * rate. */
+#define irq_aloha_timeout	(ibase+3) 	/* Slotted-Aloha timeout on
+						 * Channel 1. */
+#define irq_reservation		(ibase+2) 	/* Partial (or Incremental)
+						 * Reservation Message Completed
+						 * or Slotted aloha verify for
+						 * channel 1. */
+#define irq_aloha3		(ibase+1) 	/* Slotted-Aloha Message Verify
+						 * Interrupt or Reservation
+						 * increment completed for
+						 * channel 3. */
+#define irq_mpeg_d		(ibase+0) 	/* MPEG Decoder Interrupt */
+#endif	/* _ASM_MACH_POWERTV_INTERRUPTS_H_ */
+
diff --git a/arch/mips/include/asm/mach-powertv/ioremap.h b/arch/mips/include/asm/mach-powertv/ioremap.h
new file mode 100644
index 00000000000..e6276d5146e
--- /dev/null
+++ b/arch/mips/include/asm/mach-powertv/ioremap.h
@@ -0,0 +1,90 @@
+/*
+ *	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.
+ *
+ * Portions Copyright (C)  Cisco Systems, Inc.
+ */
+#ifndef __ASM_MACH_POWERTV_IOREMAP_H
+#define __ASM_MACH_POWERTV_IOREMAP_H
+
+#include <linux/types.h>
+
+#define LOW_MEM_BOUNDARY_PHYS	0x20000000
+#define LOW_MEM_BOUNDARY_MASK	(~(LOW_MEM_BOUNDARY_PHYS - 1))
+
+/*
+ * The bus addresses are different than the physical addresses that
+ * the processor sees by an offset. This offset varies by ASIC
+ * version. Define a variable to hold the offset and some macros to
+ * make the conversion simpler. */
+extern unsigned long phys_to_bus_offset;
+
+#ifdef CONFIG_HIGHMEM
+#define MEM_GAP_PHYS		0x60000000
+/*
+ * TODO: We will use the hard code for conversion between physical and
+ * bus until the bootloader releases their device tree to us.
+ */
+#define phys_to_bus(x) (((x) < LOW_MEM_BOUNDARY_PHYS) ? \
+	((x) + phys_to_bus_offset) : (x))
+#define bus_to_phys(x) (((x) < MEM_GAP_PHYS_ADDR) ? \
+	((x) - phys_to_bus_offset) : (x))
+#else
+#define phys_to_bus(x) ((x) + phys_to_bus_offset)
+#define bus_to_phys(x) ((x) - phys_to_bus_offset)
+#endif
+
+/*
+ * Determine whether the address we are given is for an ASIC device
+ * Params:  addr    Address to check
+ * Returns: Zero if the address is not for ASIC devices, non-zero
+ *      if it is.
+ */
+static inline int asic_is_device_addr(phys_t addr)
+{
+	return !((phys_t)addr & (phys_t) LOW_MEM_BOUNDARY_MASK);
+}
+
+/*
+ * Determine whether the address we are given is external RAM mappable
+ * into KSEG1.
+ * Params:  addr    Address to check
+ * Returns: Zero if the address is not for external RAM and
+ */
+static inline int asic_is_lowmem_ram_addr(phys_t addr)
+{
+	/*
+	 * The RAM always starts at the following address in the processor's
+	 * physical address space
+	 */
+	static const phys_t phys_ram_base = 0x10000000;
+	phys_t bus_ram_base;
+
+	bus_ram_base = phys_to_bus_offset + phys_ram_base;
+
+	return addr >= bus_ram_base &&
+		addr < (bus_ram_base + (LOW_MEM_BOUNDARY_PHYS - phys_ram_base));
+}
+
+/*
+ * Allow physical addresses to be fixed up to help peripherals located
+ * outside the low 32-bit range -- generic pass-through version.
+ */
+static inline phys_t fixup_bigphys_addr(phys_t phys_addr, phys_t size)
+{
+	return phys_addr;
+}
+
+static inline void __iomem *plat_ioremap(phys_t offset, unsigned long size,
+	unsigned long flags)
+{
+	return NULL;
+}
+
+static inline int plat_iounmap(const volatile void __iomem *addr)
+{
+	return 0;
+}
+#endif /* __ASM_MACH_POWERTV_IOREMAP_H */
diff --git a/arch/mips/include/asm/mach-powertv/irq.h b/arch/mips/include/asm/mach-powertv/irq.h
new file mode 100644
index 00000000000..4bd5d0c61a9
--- /dev/null
+++ b/arch/mips/include/asm/mach-powertv/irq.h
@@ -0,0 +1,25 @@
+/*
+ * 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
+ */
+
+#ifndef _ASM_MACH_POWERTV_IRQ_H
+#define _ASM_MACH_POWERTV_IRQ_H
+#include <asm/mach-powertv/interrupts.h>
+
+#define MIPS_CPU_IRQ_BASE	ibase
+#define NR_IRQS			127
+#endif
diff --git a/arch/mips/include/asm/mach-powertv/powertv-clock.h b/arch/mips/include/asm/mach-powertv/powertv-clock.h
new file mode 100644
index 00000000000..6f3e9a0fcf8
--- /dev/null
+++ b/arch/mips/include/asm/mach-powertv/powertv-clock.h
@@ -0,0 +1,29 @@
+/*
+ * 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
+ */
+/*
+ * Local definitions for the powertv PCI code
+ */
+
+#ifndef _POWERTV_PCI_POWERTV_PCI_H_
+#define _POWERTV_PCI_POWERTV_PCI_H_
+extern int asic_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
+extern int asic_pcie_init(void);
+extern int asic_pcie_init(void);
+
+extern int log_level;
+#endif
diff --git a/arch/mips/include/asm/mach-powertv/war.h b/arch/mips/include/asm/mach-powertv/war.h
new file mode 100644
index 00000000000..7ac05ecc512
--- /dev/null
+++ b/arch/mips/include/asm/mach-powertv/war.h
@@ -0,0 +1,28 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * This version for the PowerTV platform copied from the Malta version.
+ *
+ * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org>
+ * Portions copyright (C) 2009 Cisco Systems, Inc.
+ */
+#ifndef __ASM_MACH_POWERTV_WAR_H
+#define __ASM_MACH_POWERTV_WAR_H
+
+#define R4600_V1_INDEX_ICACHEOP_WAR	0
+#define R4600_V1_HIT_CACHEOP_WAR	0
+#define R4600_V2_HIT_CACHEOP_WAR	0
+#define R5432_CP0_INTERRUPT_WAR		0
+#define BCM1250_M3_WAR			0
+#define SIBYTE_1956_WAR			0
+#define MIPS4K_ICACHE_REFILL_WAR	1
+#define MIPS_CACHE_SYNC_WAR		1
+#define TX49XX_ICACHE_INDEX_INV_WAR	0
+#define RM9000_CDEX_SMP_WAR		0
+#define ICACHE_REFILLS_WORKAROUND_WAR	1
+#define R10000_LLSC_WAR			0
+#define MIPS34K_MISSED_ITLB_WAR		0
+
+#endif /* __ASM_MACH_POWERTV_WAR_H */