/*
* include/asm-ppc/gt64260.h
*
* Prototypes, etc. for the Marvell/Galileo GT64260 host bridge routines.
*
* Author: Mark A. Greer <mgreer@mvista.com>
*
* 2001 (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_GT64260_H
#define __ASMPPC_GT64260_H
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/slab.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/gt64260_defs.h>
extern u32 gt64260_base;
extern u32 gt64260_irq_base; /* We handle the next 96 IRQs from here */
extern u32 gt64260_revision;
extern u8 gt64260_pci_exclude_bridge;
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
/* IRQs defined by the 64260 */
#define GT64260_IRQ_MPSC0 40
#define GT64260_IRQ_MPSC1 42
#define GT64260_IRQ_SDMA 36
/*
* Define a default physical memory map to be set up on the bridge.
* Also define a struct to pass that info from board-specific routines to
* GT64260 generic set up routines. By passing this info in, the board
* support developer can modify it at will.
*/
/*
* This is the default memory map:
* CPU PCI
* --- ---
* PCI 0 I/O: 0xfa000000-0xfaffffff 0x00000000-0x00ffffff
* PCI 1 I/O: 0xfb000000-0xfbffffff 0x01000000-0x01ffffff
* PCI 0 MEM: 0x80000000-0x8fffffff 0x80000000-0x8fffffff
* PCI 1 MEM: 0x90000000-0x9fffffff 0x90000000-0x9fffffff
*/
/* Default physical memory map for the GT64260 bridge */
/*
* PCI Bus 0 Definitions
*/
#define GT64260_PCI_0_IO_SIZE 0x01000000U
#define GT64260_PCI_0_MEM_SIZE 0x10000000U
/* Processor Physical addresses */
#define GT64260_PCI_0_IO_START_PROC 0xfa000000U
#define GT64260_PCI_0_IO_END_PROC (GT64260_PCI_0_IO_START_PROC + \
GT64260_PCI_0_IO_SIZE - 1)
/* PCI 0 addresses */
#define GT64260_PCI_0_IO_START 0x00000000U
#define GT64260_PCI_0_IO_END (GT64260_PCI_0_IO_START + \
GT64260_PCI_0_IO_SIZE - 1)
/* Processor Physical addresses */
#define GT64260_PCI_0_MEM_START_PROC 0x80000000U
#define GT64260_PCI_0_MEM_END_PROC (GT64260_PCI_0_MEM_START_PROC + \
GT64260_PCI_0_MEM_SIZE - 1)
/* PCI 0 addresses */
#define GT64260_PCI_0_MEM_START 0x80000000U
#define GT64260_PCI_0_MEM_END (GT64260_PCI_0_MEM_START + \
GT64260_PCI_0_MEM_SIZE - 1)
/*
* PCI Bus 1 Definitions
*/
#define GT64260_PCI_1_IO_SIZE 0x01000000U
#define GT64260_PCI_1_MEM_SIZE 0x10000000U
/* PCI 1 addresses */
#define GT64260_PCI_1_IO_START 0x01000000U
#define GT64260_PCI_1_IO_END (GT64260_PCI_1_IO_START + \
GT64260_PCI_1_IO_SIZE - 1)
/* Processor Physical addresses */
#define GT64260_PCI_1_IO_START_PROC 0xfb000000U
#define GT64260_PCI_1_IO_END_PROC (GT64260_PCI_1_IO_START_PROC + \
GT64260_PCI_1_IO_SIZE - 1)
/* PCI 1 addresses */
#define GT64260_PCI_1_MEM_START 0x90000000U
#define GT64260_PCI_1_MEM_END (GT64260_PCI_1_MEM_START + \
GT64260_PCI_1_MEM_SIZE - 1)
/* Processor Physical addresses */
#define GT64260_PCI_1_MEM_START_PROC 0x90000000U
#define GT64260_PCI_1_MEM_END_PROC (GT64260_PCI_1_MEM_START_PROC + \
GT64260_PCI_1_MEM_SIZE - 1)
/* Define struct to pass mem-map info into gt64260_common.c code */
typedef struct {
struct pci_controller *hose_a;
struct pci_controller *hose_b;
u32 mem_size;
u32 pci_0_io_start_proc;
u32 pci_0_io_start_pci;
u32 pci_0_io_size;
u32 pci_0_io_swap;
u32 pci_0_mem_start_proc;
u32 pci_0_mem_start_pci_hi;
u32 pci_0_mem_start_pci_lo;
u32 pci_0_mem_size;
u32 pci_0_mem_swap;
u32 pci_1_io_start_proc;
u32 pci_1_io_start_pci;
u32 pci_1_io_size;
u32 pci_1_io_swap;
u32 pci_1_mem_start_proc;
u32 pci_1_mem_start_pci_hi;
u32 pci_1_mem_start_pci_lo;
u32 pci_1_mem_size;
u32 pci_1_mem_swap;
} gt64260_bridge_info_t;
#define GT64260_BRIDGE_INFO_DEFAULT(ip, ms) { \
(ip)->mem_size = (ms); \
\
(ip)->pci_0_io_start_proc = GT64260_PCI_0_IO_START_PROC; \
(ip)->pci_0_io_start_pci = GT64260_PCI_0_IO_START; \
(ip)->pci_0_io_size = GT64260_PCI_0_IO_SIZE; \
(ip)->pci_0_io_swap = GT64260_CPU_PCI_SWAP_NONE; \
\
(ip)->pci_0_mem_start_proc = GT64260_PCI_0_MEM_START_PROC; \
(ip)->pci_0_mem_start_pci_hi = 0x00000000; \
(ip)->pci_0_mem_start_pci_lo = GT64260_PCI_0_MEM_START; \
(ip)->pci_0_mem_size = GT64260_PCI_0_MEM_SIZE; \
(ip)->pci_0_mem_swap = GT64260_CPU_PCI_SWAP_NONE; \
\
(ip)->pci_1_io_start_proc = GT64260_PCI_1_IO_START_PROC; \
(ip)->pci_1_io_start_pci = GT64260_PCI_1_IO_START; \
(ip)->pci_1_io_size = GT64260_PCI_1_IO_SIZE; \
(ip)->pci_1_io_swap = GT64260_CPU_PCI_SWAP_NONE; \
\
(ip)->pci_1_mem_start_proc = GT64260_PCI_1_MEM_START_PROC; \
(ip)->pci_1_mem_start_pci_hi = 0x00000000; \
(ip)->pci_1_mem_start_pci_lo = GT64260_PCI_1_MEM_START; \
(ip)->pci_1_mem_size = GT64260_PCI_1_MEM_SIZE; \
(ip)->pci_1_mem_swap = GT64260_CPU_PCI_SWAP_NONE; \
}
/*
*****************************************************************************
*
* I/O macros to access the 64260's registers
*
*****************************************************************************
*/
extern inline uint32_t gt_read(uint32_t offs){
return (in_le32((volatile uint *)(gt64260_base + offs)));
}
extern inline void gt_write(uint32_t offs, uint32_t d){
out_le32((volatile uint *)(gt64260_base + offs), d);
}
#if 0 /* paranoid SMP version */
extern inline void gt_modify(u32 offs, u32 data, u32 mask) \
{
uint32_t reg;
spin_lock(>64260_lock);
reg = gt_read(offs) & (~mask); /* zero any bits we care about*/
reg |= data & mask; /* set bits from the data */
gt_write(offs, reg);
spin_unlock(>64260_lock);
}
#else
extern inline void gt_modify(uint32_t offs, uint32_t data, uint32_t mask)
{
uint32_t reg;
reg = gt_read(offs) & (~(mask)); /* zero any bits we care about*/
reg |= (data) & (mask); /* set bits from the data */
gt_write(offs, reg);
}
#endif
#define gt_set_bits(offs, bits) gt_modify(offs, ~0, bits)
#define gt_clr_bits(offs, bits) gt_modify(offs, 0, bits)
/*
*****************************************************************************
*
* Function Prototypes
*
*****************************************************************************
*/
int gt64260_find_bridges(u32 phys_base_addr, gt64260_bridge_info_t *info,
int ((*map_irq)(struct pci_dev *, unsigned char, unsigned char)));
int gt64260_bridge_init(gt64260_bridge_info_t *info);
int gt64260_cpu_scs_set_window(u32 window,
u32 base_addr,
u32 size);
int gt64260_cpu_cs_set_window(u32 window,
u32 base_addr,
u32 size);
int gt64260_cpu_boot_set_window(u32 base_addr,
u32 size);
int gt64260_cpu_set_pci_io_window(u32 pci_bus,
u32 cpu_base_addr,
u32 pci_base_addr,
u32 size,
u32 swap);
int gt64260_cpu_set_pci_mem_window(u32 pci_bus,
u32 window,
u32 cpu_base_addr,
u32 pci_base_addr_hi,
u32 pci_base_addr_lo,
u32 size,
u32 swap_64bit);
int gt64260_cpu_prot_set_window(u32 window,
u32 base_addr,
u32 size,
u32 access_bits);
int gt64260_cpu_snoop_set_window(u32 window,
u32 base_addr,
u32 size,
u32 snoop_type);
void gt64260_cpu_disable_all_windows(void);
int gt64260_pci_bar_enable(u32 pci_bus, u32 enable_bits);
int gt64260_pci_slave_scs_set_window(struct pci_controller *hose,
u32 window,
u32 pci_base_addr,
u32 cpu_base_addr,
u32 size);
int gt64260_pci_slave_cs_set_window(struct pci_controller *hose,
u32 window,
u32 pci_base_addr,
u32 cpu_base_addr,
u32 size);
int gt64260_pci_slave_boot_set_window(struct pci_controller *hose,
u32 pci_base_addr,
u32 cpu_base_addr,
u32 size);
int gt64260_pci_slave_p2p_mem_set_window(struct pci_controller *hose,
u32 window,
u32 pci_base_addr,
u32 other_bus_base_addr,
u32 size);
int gt64260_pci_slave_p2p_io_set_window(struct pci_controller *hose,
u32 pci_base_addr,
u32 other_bus_base_addr,
u32 size);
int gt64260_pci_slave_dac_scs_set_window(struct pci_controller *hose,
u32 window,
u32 pci_base_addr_hi,
u32 pci_base_addr_lo,
u32 cpu_base_addr,
u32 size);
int gt64260_pci_slave_dac_cs_set_window(struct pci_controller *hose,
u32 window,
u32 pci_base_addr_hi,
u32 pci_base_addr_lo,
u32 cpu_base_addr,
u32 size);
int gt64260_pci_slave_dac_boot_set_window(struct pci_controller *hose,
u32 pci_base_addr_hi,
u32 pci_base_addr_lo,
u32 cpu_base_addr,
u32 size);
int gt64260_pci_slave_dac_p2p_mem_set_window(struct pci_controller *hose,
u32 window,
u32 pci_base_addr_hi,
u32 pci_base_addr_lo,
u32 other_bus_base_addr,
u32 size);
int gt64260_pci_acc_cntl_set_window(u32 pci_bus,
u32 window,
u32 base_addr_hi,
u32 base_addr_lo,
u32 size,
u32 features);
int gt64260_pci_snoop_set_window(u32 pci_bus,
u32 window,
u32 base_addr_hi,
u32 base_addr_lo,
u32 size,
u32 snoop_type);
int gt64260_set_base(u32 new_base);
int gt64260_get_base(u32 *base);
int gt64260_pci_exclude_device(u8 bus, u8 devfn);
void gt64260_init_irq(void);
int gt64260_get_irq(struct pt_regs *regs);
void gt64260_mpsc_progress(char *s, unsigned short hex);
#endif /* __ASMPPC_GT64260_H */
