1 files changed, 345 insertions, 0 deletions

diff --git a/include/asm-ppc/mv64x60.h b/include/asm-ppc/mv64x60.h
new file mode 100644
index 000000000000..cc25b921ad4f
--- /dev/null
+++ b/include/asm-ppc/mv64x60.h
@@ -0,0 +1,345 @@
+/*
+ * include/asm-ppc/mv64x60.h
+ *
+ * Prototypes, etc. for the Marvell/Galileo MV64x60 host bridge routines.
+ *
+ * Author: Mark A. Greer <mgreer@mvista.com>
+ *
+ * 2001-2002 (c) MontaVista, Software, Inc.  This file is licensed under
+ * the terms of the GNU General Public License version 2.  This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+#ifndef __ASMPPC_MV64x60_H
+#define __ASMPPC_MV64x60_H
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/slab.h>
+#include <linux/config.h>
+
+#include <asm/byteorder.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/uaccess.h>
+#include <asm/machdep.h>
+#include <asm/pci-bridge.h>
+#include <asm/mv64x60_defs.h>
+
+extern u8       mv64x60_pci_exclude_bridge;
+
+extern spinlock_t mv64x60_lock;
+
+/* 32-bit Window table entry defines */
+#define MV64x60_CPU2MEM_0_WIN                   0
+#define MV64x60_CPU2MEM_1_WIN                   1
+#define MV64x60_CPU2MEM_2_WIN                   2
+#define MV64x60_CPU2MEM_3_WIN                   3
+#define MV64x60_CPU2DEV_0_WIN                   4
+#define MV64x60_CPU2DEV_1_WIN                   5
+#define MV64x60_CPU2DEV_2_WIN                   6
+#define MV64x60_CPU2DEV_3_WIN                   7
+#define MV64x60_CPU2BOOT_WIN                    8
+#define MV64x60_CPU2PCI0_IO_WIN                 9
+#define MV64x60_CPU2PCI0_MEM_0_WIN              10
+#define MV64x60_CPU2PCI0_MEM_1_WIN              11
+#define MV64x60_CPU2PCI0_MEM_2_WIN              12
+#define MV64x60_CPU2PCI0_MEM_3_WIN              13
+#define MV64x60_CPU2PCI1_IO_WIN                 14
+#define MV64x60_CPU2PCI1_MEM_0_WIN              15
+#define MV64x60_CPU2PCI1_MEM_1_WIN              16
+#define MV64x60_CPU2PCI1_MEM_2_WIN              17
+#define MV64x60_CPU2PCI1_MEM_3_WIN              18
+#define MV64x60_CPU2SRAM_WIN                    19
+#define MV64x60_CPU2PCI0_IO_REMAP_WIN           20
+#define MV64x60_CPU2PCI1_IO_REMAP_WIN           21
+#define MV64x60_CPU_PROT_0_WIN                  22
+#define MV64x60_CPU_PROT_1_WIN                  23
+#define MV64x60_CPU_PROT_2_WIN                  24
+#define MV64x60_CPU_PROT_3_WIN                  25
+#define MV64x60_CPU_SNOOP_0_WIN                 26
+#define MV64x60_CPU_SNOOP_1_WIN                 27
+#define MV64x60_CPU_SNOOP_2_WIN                 28
+#define MV64x60_CPU_SNOOP_3_WIN                 29
+#define MV64x60_PCI02MEM_REMAP_0_WIN            30
+#define MV64x60_PCI02MEM_REMAP_1_WIN            31
+#define MV64x60_PCI02MEM_REMAP_2_WIN            32
+#define MV64x60_PCI02MEM_REMAP_3_WIN            33
+#define MV64x60_PCI12MEM_REMAP_0_WIN            34
+#define MV64x60_PCI12MEM_REMAP_1_WIN            35
+#define MV64x60_PCI12MEM_REMAP_2_WIN            36
+#define MV64x60_PCI12MEM_REMAP_3_WIN            37
+#define MV64x60_ENET2MEM_0_WIN                  38
+#define MV64x60_ENET2MEM_1_WIN                  39
+#define MV64x60_ENET2MEM_2_WIN                  40
+#define MV64x60_ENET2MEM_3_WIN                  41
+#define MV64x60_ENET2MEM_4_WIN                  42
+#define MV64x60_ENET2MEM_5_WIN                  43
+#define MV64x60_MPSC2MEM_0_WIN                  44
+#define MV64x60_MPSC2MEM_1_WIN                  45
+#define MV64x60_MPSC2MEM_2_WIN                  46
+#define MV64x60_MPSC2MEM_3_WIN                  47
+#define MV64x60_IDMA2MEM_0_WIN                  48
+#define MV64x60_IDMA2MEM_1_WIN                  49
+#define MV64x60_IDMA2MEM_2_WIN                  50
+#define MV64x60_IDMA2MEM_3_WIN                  51
+#define MV64x60_IDMA2MEM_4_WIN                  52
+#define MV64x60_IDMA2MEM_5_WIN                  53
+#define MV64x60_IDMA2MEM_6_WIN                  54
+#define MV64x60_IDMA2MEM_7_WIN                  55
+
+#define MV64x60_32BIT_WIN_COUNT                 56
+
+/* 64-bit Window table entry defines */
+#define MV64x60_CPU2PCI0_MEM_0_REMAP_WIN        0
+#define MV64x60_CPU2PCI0_MEM_1_REMAP_WIN        1
+#define MV64x60_CPU2PCI0_MEM_2_REMAP_WIN        2
+#define MV64x60_CPU2PCI0_MEM_3_REMAP_WIN        3
+#define MV64x60_CPU2PCI1_MEM_0_REMAP_WIN        4
+#define MV64x60_CPU2PCI1_MEM_1_REMAP_WIN        5
+#define MV64x60_CPU2PCI1_MEM_2_REMAP_WIN        6
+#define MV64x60_CPU2PCI1_MEM_3_REMAP_WIN        7
+#define MV64x60_PCI02MEM_ACC_CNTL_0_WIN         8
+#define MV64x60_PCI02MEM_ACC_CNTL_1_WIN         9
+#define MV64x60_PCI02MEM_ACC_CNTL_2_WIN         10
+#define MV64x60_PCI02MEM_ACC_CNTL_3_WIN         11
+#define MV64x60_PCI12MEM_ACC_CNTL_0_WIN         12
+#define MV64x60_PCI12MEM_ACC_CNTL_1_WIN         13
+#define MV64x60_PCI12MEM_ACC_CNTL_2_WIN         14
+#define MV64x60_PCI12MEM_ACC_CNTL_3_WIN         15
+#define MV64x60_PCI02MEM_SNOOP_0_WIN            16
+#define MV64x60_PCI02MEM_SNOOP_1_WIN            17
+#define MV64x60_PCI02MEM_SNOOP_2_WIN            18
+#define MV64x60_PCI02MEM_SNOOP_3_WIN            19
+#define MV64x60_PCI12MEM_SNOOP_0_WIN            20
+#define MV64x60_PCI12MEM_SNOOP_1_WIN            21
+#define MV64x60_PCI12MEM_SNOOP_2_WIN            22
+#define MV64x60_PCI12MEM_SNOOP_3_WIN            23
+
+#define MV64x60_64BIT_WIN_COUNT                 24
+
+/*
+ * Define a structure that's used to pass in config information to the
+ * core routines.
+ */
+struct mv64x60_pci_window {
+        u32     cpu_base;
+        u32     pci_base_hi;
+        u32     pci_base_lo;
+        u32     size;
+        u32     swap;
+};
+
+struct mv64x60_pci_info {
+        u8      enable_bus;     /* allow access to this PCI bus? */
+
+        struct mv64x60_pci_window       pci_io;
+        struct mv64x60_pci_window       pci_mem[3];
+
+        u32     acc_cntl_options[MV64x60_CPU2MEM_WINDOWS];
+        u32     snoop_options[MV64x60_CPU2MEM_WINDOWS];
+        u16     pci_cmd_bits;
+        u16     latency_timer;
+};
+
+struct mv64x60_setup_info {
+        u32     phys_reg_base;
+        u32     window_preserve_mask_32_hi;
+        u32     window_preserve_mask_32_lo;
+        u32     window_preserve_mask_64;
+
+        u32     cpu_prot_options[MV64x60_CPU2MEM_WINDOWS];
+        u32     cpu_snoop_options[MV64x60_CPU2MEM_WINDOWS];
+        u32     enet_options[MV64x60_CPU2MEM_WINDOWS];
+        u32     mpsc_options[MV64x60_CPU2MEM_WINDOWS];
+        u32     idma_options[MV64x60_CPU2MEM_WINDOWS];
+
+        struct mv64x60_pci_info pci_0;
+        struct mv64x60_pci_info pci_1;
+};
+
+/* Define what the top bits in the extra member of a window entry means. */
+#define MV64x60_EXTRA_INVALID           0x00000000
+#define MV64x60_EXTRA_CPUWIN_ENAB       0x10000000
+#define MV64x60_EXTRA_CPUPROT_ENAB      0x20000000
+#define MV64x60_EXTRA_ENET_ENAB         0x30000000
+#define MV64x60_EXTRA_MPSC_ENAB         0x40000000
+#define MV64x60_EXTRA_IDMA_ENAB         0x50000000
+#define MV64x60_EXTRA_PCIACC_ENAB       0x60000000
+
+#define MV64x60_EXTRA_MASK              0xf0000000
+
+/*
+ * Define the 'handle' struct that will be passed between the 64x60 core
+ * code and the platform-specific code that will use it.  The handle
+ * will contain pointers to chip-specific routines & information.
+ */
+struct mv64x60_32bit_window {
+        u32     base_reg;
+        u32     size_reg;
+        u8      base_bits;
+        u8      size_bits;
+        u32     (*get_from_field)(u32 val, u32 num_bits);
+        u32     (*map_to_field)(u32 val, u32 num_bits);
+        u32     extra;
+};
+
+struct mv64x60_64bit_window {
+        u32     base_hi_reg;
+        u32     base_lo_reg;
+        u32     size_reg;
+        u8      base_lo_bits;
+        u8      size_bits;
+        u32     (*get_from_field)(u32 val, u32 num_bits);
+        u32     (*map_to_field)(u32 val, u32 num_bits);
+        u32     extra;
+};
+
+typedef struct mv64x60_handle   mv64x60_handle_t;
+struct mv64x60_chip_info {
+        u32     (*translate_size)(u32 base, u32 size, u32 num_bits);
+        u32     (*untranslate_size)(u32 base, u32 size, u32 num_bits);
+        void    (*set_pci2mem_window)(struct pci_controller *hose, u32 bus,
+                        u32 window, u32 base);
+        void    (*set_pci2regs_window)(struct mv64x60_handle *bh,
+                        struct pci_controller *hose, u32 bus, u32 base);
+        u32     (*is_enabled_32bit)(mv64x60_handle_t *bh, u32 window);
+        void    (*enable_window_32bit)(mv64x60_handle_t *bh, u32 window);
+        void    (*disable_window_32bit)(mv64x60_handle_t *bh, u32 window);
+        void    (*enable_window_64bit)(mv64x60_handle_t *bh, u32 window);
+        void    (*disable_window_64bit)(mv64x60_handle_t *bh, u32 window);
+        void    (*disable_all_windows)(mv64x60_handle_t *bh,
+                        struct mv64x60_setup_info *si);
+        void    (*config_io2mem_windows)(mv64x60_handle_t *bh,
+                        struct mv64x60_setup_info *si,
+                        u32 mem_windows[MV64x60_CPU2MEM_WINDOWS][2]);
+        void    (*set_mpsc2regs_window)(struct mv64x60_handle *bh, u32 base);
+        void    (*chip_specific_init)(mv64x60_handle_t *bh,
+                        struct mv64x60_setup_info *si);
+
+        struct mv64x60_32bit_window     *window_tab_32bit;
+        struct mv64x60_64bit_window     *window_tab_64bit;
+};
+
+struct mv64x60_handle {
+        u32             type;           /* type of bridge */
+        u32             rev;            /* revision of bridge */
+        void            *v_base;        /* virtual base addr of bridge regs */
+        phys_addr_t     p_base;         /* physical base addr of bridge regs */
+
+        u32             pci_mode_a;     /* pci 0 mode: conventional pci, pci-x*/
+        u32             pci_mode_b;     /* pci 1 mode: conventional pci, pci-x*/
+
+        u32             io_base_a;      /* vaddr of pci 0's I/O space */
+        u32             io_base_b;      /* vaddr of pci 1's I/O space */
+
+        struct pci_controller   *hose_a;
+        struct pci_controller   *hose_b;
+
+        struct mv64x60_chip_info *ci;   /* chip/bridge-specific info */
+};
+
+
+/* Define I/O routines for accessing registers on the 64x60 bridge. */
+extern inline void
+mv64x60_write(struct mv64x60_handle *bh, u32 offset, u32 val) {
+        ulong   flags;
+
+        spin_lock_irqsave(&mv64x60_lock, flags);
+        out_le32(bh->v_base + offset, val);
+        spin_unlock_irqrestore(&mv64x60_lock, flags);
+}
+
+extern inline u32
+mv64x60_read(struct mv64x60_handle *bh, u32 offset) {
+        ulong   flags;
+        u32     reg;
+
+        spin_lock_irqsave(&mv64x60_lock, flags);
+        reg = in_le32(bh->v_base + offset);
+        spin_unlock_irqrestore(&mv64x60_lock, flags);
+        return reg;
+}
+
+extern inline void
+mv64x60_modify(struct mv64x60_handle *bh, u32 offs, u32 data, u32 mask)
+{
+        u32     reg;
+        ulong   flags;
+
+        spin_lock_irqsave(&mv64x60_lock, flags);
+        reg = in_le32(bh->v_base + offs) & (~mask);
+        reg |= data & mask;
+        out_le32(bh->v_base + offs, reg);
+        spin_unlock_irqrestore(&mv64x60_lock, flags);
+}
+
+#define mv64x60_set_bits(bh, offs, bits) mv64x60_modify(bh, offs, ~0, bits)
+#define mv64x60_clr_bits(bh, offs, bits) mv64x60_modify(bh, offs, 0, bits)
+
+
+/* Externally visible function prototypes */
+int mv64x60_init(struct mv64x60_handle *bh, struct mv64x60_setup_info *si);
+u32 mv64x60_get_mem_size(u32 bridge_base, u32 chip_type);
+void mv64x60_early_init(struct mv64x60_handle *bh,
+        struct mv64x60_setup_info *si);
+void mv64x60_alloc_hose(struct mv64x60_handle *bh, u32 cfg_addr,
+        u32 cfg_data, struct pci_controller **hose);
+int mv64x60_get_type(struct mv64x60_handle *bh);
+int mv64x60_setup_for_chip(struct mv64x60_handle *bh);
+void *mv64x60_get_bridge_vbase(void);
+u32 mv64x60_get_bridge_type(void);
+u32 mv64x60_get_bridge_rev(void);
+void mv64x60_get_mem_windows(struct mv64x60_handle *bh,
+        u32 mem_windows[MV64x60_CPU2MEM_WINDOWS][2]);
+void mv64x60_config_cpu2mem_windows(struct mv64x60_handle *bh,
+        struct mv64x60_setup_info *si,
+        u32 mem_windows[MV64x60_CPU2MEM_WINDOWS][2]);
+void mv64x60_config_cpu2pci_windows(struct mv64x60_handle *bh,
+        struct mv64x60_pci_info *pi, u32 bus);
+void mv64x60_config_pci2mem_windows(struct mv64x60_handle *bh,
+        struct pci_controller *hose, struct mv64x60_pci_info *pi, u32 bus,
+        u32 mem_windows[MV64x60_CPU2MEM_WINDOWS][2]);
+void mv64x60_config_resources(struct pci_controller *hose,
+        struct mv64x60_pci_info *pi, u32 io_base);
+void mv64x60_config_pci_params(struct pci_controller *hose,
+        struct mv64x60_pci_info *pi);
+void mv64x60_pd_fixup(struct mv64x60_handle *bh,
+        struct platform_device *pd_devs[], u32 entries);
+void mv64x60_get_32bit_window(struct mv64x60_handle *bh, u32 window,
+        u32 *base, u32 *size);
+void mv64x60_set_32bit_window(struct mv64x60_handle *bh, u32 window, u32 base,
+        u32 size, u32 other_bits);
+void mv64x60_get_64bit_window(struct mv64x60_handle *bh, u32 window,
+        u32 *base_hi, u32 *base_lo, u32 *size);
+void mv64x60_set_64bit_window(struct mv64x60_handle *bh, u32 window,
+        u32 base_hi, u32 base_lo, u32 size, u32 other_bits);
+void mv64x60_set_bus(struct mv64x60_handle *bh, u32 bus, u32 child_bus);
+int mv64x60_pci_exclude_device(u8 bus, u8 devfn);
+
+
+void gt64260_init_irq(void);
+int gt64260_get_irq(struct pt_regs *regs);
+void mv64360_init_irq(void);
+int mv64360_get_irq(struct pt_regs *regs);
+
+u32 mv64x60_mask(u32 val, u32 num_bits);
+u32 mv64x60_shift_left(u32 val, u32 num_bits);
+u32 mv64x60_shift_right(u32 val, u32 num_bits);
+u32 mv64x60_calc_mem_size(struct mv64x60_handle *bh,
+        u32 mem_windows[MV64x60_CPU2MEM_WINDOWS][2]);
+
+void mv64x60_progress_init(u32 base);
+void mv64x60_mpsc_progress(char *s, unsigned short hex);
+
+extern struct mv64x60_32bit_window
+        gt64260_32bit_windows[MV64x60_32BIT_WIN_COUNT];
+extern struct mv64x60_64bit_window
+        gt64260_64bit_windows[MV64x60_64BIT_WIN_COUNT];
+extern struct mv64x60_32bit_window
+        mv64360_32bit_windows[MV64x60_32BIT_WIN_COUNT];
+extern struct mv64x60_64bit_window
+        mv64360_64bit_windows[MV64x60_64BIT_WIN_COUNT];
+
+#endif /* __ASMPPC_MV64x60_H */