/*
* common routine and memory layout for Tundra TSI108(Grendel) host bridge
* memory controller.
*
* Author: Jacob Pan ([email protected])
* Alex Bounine ([email protected])
*
* Copyright 2004-2006 Freescale Semiconductor, 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.
*/

#ifndef __PPC_KERNEL_TSI108_H
#define __PPC_KERNEL_TSI108_H

#include <asm/pci-bridge.h>

/* Size of entire register space */
#define TSI108_REG_SIZE (0x10000)

/* Sizes of register spaces for individual blocks */
#define TSI108_HLP_SIZE 0x1000
#define TSI108_PCI_SIZE 0x1000
#define TSI108_CLK_SIZE 0x1000
#define TSI108_PB_SIZE 0x1000
#define TSI108_SD_SIZE 0x1000
#define TSI108_DMA_SIZE 0x1000
#define TSI108_ETH_SIZE 0x1000
#define TSI108_I2C_SIZE 0x400
#define TSI108_MPIC_SIZE 0x400
#define TSI108_UART0_SIZE 0x200
#define TSI108_GPIO_SIZE 0x200
#define TSI108_UART1_SIZE 0x200

/* Offsets within Tsi108(A) CSR space for individual blocks */
#define TSI108_HLP_OFFSET 0x0000
#define TSI108_PCI_OFFSET 0x1000
#define TSI108_CLK_OFFSET 0x2000
#define TSI108_PB_OFFSET 0x3000
#define TSI108_SD_OFFSET 0x4000
#define TSI108_DMA_OFFSET 0x5000
#define TSI108_ETH_OFFSET 0x6000
#define TSI108_I2C_OFFSET 0x7000
#define TSI108_MPIC_OFFSET 0x7400
#define TSI108_UART0_OFFSET 0x7800
#define TSI108_GPIO_OFFSET 0x7A00
#define TSI108_UART1_OFFSET 0x7C00

/* Tsi108 registers used by common code components */
#define TSI108_PCI_CSR (0x004)
#define TSI108_PCI_IRP_CFG_CTL (0x180)
#define TSI108_PCI_IRP_STAT (0x184)
#define TSI108_PCI_IRP_ENABLE (0x188)
#define TSI108_PCI_IRP_INTAD (0x18C)

#define TSI108_PCI_IRP_STAT_P_INT (0x00400000)
#define TSI108_PCI_IRP_ENABLE_P_INT (0x00400000)

#define TSI108_CG_PWRUP_STATUS (0x234)

#define TSI108_PB_ISR (0x00C)
#define TSI108_PB_ERRCS (0x404)
#define TSI108_PB_AERR (0x408)

#define TSI108_PB_ERRCS_ES (1 << 1)
#define TSI108_PB_ISR_PBS_RD_ERR (1 << 8)

#define TSI108_PCI_CFG_SIZE (0x01000000)

/*
* PHY Configuration Options
*
* Specify "bcm54xx" in the compatible property of your device tree phy
* nodes if your board uses the Broadcom PHYs
*/
#define TSI108_PHY_MV88E 0 /* Marvel 88Exxxx PHY */
#define TSI108_PHY_BCM54XX 1 /* Broardcom BCM54xx PHY */

/* Global variables */

extern u32 tsi108_pci_cfg_base;
/* Exported functions */

extern int tsi108_bridge_init(struct pci_controller *hose, uint phys_csr_base);
extern unsigned long tsi108_get_mem_size(void);
extern unsigned long tsi108_get_cpu_clk(void);
extern unsigned long tsi108_get_sdc_clk(void);
extern int tsi108_direct_write_config(struct pci_bus *bus, unsigned int devfn,
int offset, int len, u32 val);
extern int tsi108_direct_read_config(struct pci_bus *bus, unsigned int devfn,
int offset, int len, u32 * val);
extern void tsi108_clear_pci_error(u32 pci_cfg_base);

extern phys_addr_t get_csrbase(void);

typedef struct {
u32 regs; /* hw registers base address */
u32 phyregs; /* phy registers base address */
u16 phy; /* phy address */
u16 irq_num; /* irq number */
u8 mac_addr[6]; /* phy mac address */
u16 phy_type; /* type of phy on board */
} hw_info;

extern u32 get_vir_csrbase(void);
extern u32 tsi108_csr_vir_base;

static inline u32 tsi108_read_reg(u32 reg_offset)
{
return in_be32((volatile u32 *)(tsi108_csr_vir_base + reg_offset));
}

static inline void tsi108_write_reg(u32 reg_offset, u32 val)
{
out_be32((volatile u32 *)(tsi108_csr_vir_base + reg_offset), val);
}

#endif /* __PPC_KERNEL_TSI108_H */