112 lines
3.3 KiB
C
112 lines
3.3 KiB
C
/*
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* common routine and memory layout for Tundra TSI108(Grendel) host bridge
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* memory controller.
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*
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* Author: Jacob Pan (jacob.pan@freescale.com)
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* Alex Bounine (alexandreb@tundra.com)
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*
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* Copyright 2004-2006 Freescale Semiconductor, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef __PPC_KERNEL_TSI108_H
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#define __PPC_KERNEL_TSI108_H
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#include <asm/pci-bridge.h>
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/* Size of entire register space */
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#define TSI108_REG_SIZE (0x10000)
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/* Sizes of register spaces for individual blocks */
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#define TSI108_HLP_SIZE 0x1000
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#define TSI108_PCI_SIZE 0x1000
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#define TSI108_CLK_SIZE 0x1000
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#define TSI108_PB_SIZE 0x1000
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#define TSI108_SD_SIZE 0x1000
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#define TSI108_DMA_SIZE 0x1000
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#define TSI108_ETH_SIZE 0x1000
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#define TSI108_I2C_SIZE 0x400
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#define TSI108_MPIC_SIZE 0x400
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#define TSI108_UART0_SIZE 0x200
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#define TSI108_GPIO_SIZE 0x200
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#define TSI108_UART1_SIZE 0x200
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/* Offsets within Tsi108(A) CSR space for individual blocks */
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#define TSI108_HLP_OFFSET 0x0000
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#define TSI108_PCI_OFFSET 0x1000
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#define TSI108_CLK_OFFSET 0x2000
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#define TSI108_PB_OFFSET 0x3000
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#define TSI108_SD_OFFSET 0x4000
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#define TSI108_DMA_OFFSET 0x5000
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#define TSI108_ETH_OFFSET 0x6000
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#define TSI108_I2C_OFFSET 0x7000
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#define TSI108_MPIC_OFFSET 0x7400
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#define TSI108_UART0_OFFSET 0x7800
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#define TSI108_GPIO_OFFSET 0x7A00
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#define TSI108_UART1_OFFSET 0x7C00
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/* Tsi108 registers used by common code components */
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#define TSI108_PCI_CSR (0x004)
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#define TSI108_PCI_IRP_CFG_CTL (0x180)
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#define TSI108_PCI_IRP_STAT (0x184)
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#define TSI108_PCI_IRP_ENABLE (0x188)
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#define TSI108_PCI_IRP_INTAD (0x18C)
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#define TSI108_PCI_IRP_STAT_P_INT (0x00400000)
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#define TSI108_PCI_IRP_ENABLE_P_INT (0x00400000)
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#define TSI108_CG_PWRUP_STATUS (0x234)
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#define TSI108_PB_ISR (0x00C)
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#define TSI108_PB_ERRCS (0x404)
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#define TSI108_PB_AERR (0x408)
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#define TSI108_PB_ERRCS_ES (1 << 1)
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#define TSI108_PB_ISR_PBS_RD_ERR (1 << 8)
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#define TSI108_PCI_CFG_BASE_PHYS (0xfb000000)
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#define TSI108_PCI_CFG_SIZE (0x01000000)
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/* Global variables */
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extern u32 tsi108_pci_cfg_base;
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/* Exported functions */
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extern int tsi108_bridge_init(struct pci_controller *hose, uint phys_csr_base);
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extern unsigned long tsi108_get_mem_size(void);
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extern unsigned long tsi108_get_cpu_clk(void);
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extern unsigned long tsi108_get_sdc_clk(void);
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extern int tsi108_direct_write_config(struct pci_bus *bus, unsigned int devfn,
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int offset, int len, u32 val);
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extern int tsi108_direct_read_config(struct pci_bus *bus, unsigned int devfn,
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int offset, int len, u32 * val);
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extern void tsi108_clear_pci_error(u32 pci_cfg_base);
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extern phys_addr_t get_csrbase(void);
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typedef struct {
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u32 regs; /* hw registers base address */
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u32 phyregs; /* phy registers base address */
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u16 phy; /* phy address */
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u16 irq_num; /* irq number */
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u8 mac_addr[6]; /* phy mac address */
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} hw_info;
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extern u32 get_vir_csrbase(void);
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extern u32 tsi108_csr_vir_base;
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static inline u32 tsi108_read_reg(u32 reg_offset)
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{
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return in_be32((volatile u32 *)(tsi108_csr_vir_base + reg_offset));
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}
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static inline void tsi108_write_reg(u32 reg_offset, u32 val)
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{
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out_be32((volatile u32 *)(tsi108_csr_vir_base + reg_offset), val);
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}
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#endif /* __PPC_KERNEL_TSI108_H */
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