include/asm-powerpc/tsi108.h

   1 /*
   2  * common routine and memory layout for Tundra TSI108(Grendel) host bridge
   3  * memory controller.
   4  *
   5  * Author: Jacob Pan (jacob.pan@freescale.com)
   6  *         Alex Bounine (alexandreb@tundra.com)
   7  *
   8  * Copyright 2004-2006 Freescale Semiconductor, Inc.
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License
  12  * as published by the Free Software Foundation; either version
  13  * 2 of the License, or (at your option) any later version.
  14  */
  15
  16 #ifndef __PPC_KERNEL_TSI108_H
  17 #define __PPC_KERNEL_TSI108_H
  18
  19 #include <asm/pci-bridge.h>
  20
  21 /* Size of entire register space */
  22 #define TSI108_REG_SIZE         (0x10000)
  23
  24 /* Sizes of register spaces for individual blocks */
  25 #define TSI108_HLP_SIZE         0x1000
  26 #define TSI108_PCI_SIZE         0x1000
  27 #define TSI108_CLK_SIZE         0x1000
  28 #define TSI108_PB_SIZE          0x1000
  29 #define TSI108_SD_SIZE          0x1000
  30 #define TSI108_DMA_SIZE         0x1000
  31 #define TSI108_ETH_SIZE         0x1000
  32 #define TSI108_I2C_SIZE         0x400
  33 #define TSI108_MPIC_SIZE        0x400
  34 #define TSI108_UART0_SIZE       0x200
  35 #define TSI108_GPIO_SIZE        0x200
  36 #define TSI108_UART1_SIZE       0x200
  37
  38 /* Offsets within Tsi108(A) CSR space for individual blocks */
  39 #define TSI108_HLP_OFFSET       0x0000
  40 #define TSI108_PCI_OFFSET       0x1000
  41 #define TSI108_CLK_OFFSET       0x2000
  42 #define TSI108_PB_OFFSET        0x3000
  43 #define TSI108_SD_OFFSET        0x4000
  44 #define TSI108_DMA_OFFSET       0x5000
  45 #define TSI108_ETH_OFFSET       0x6000
  46 #define TSI108_I2C_OFFSET       0x7000
  47 #define TSI108_MPIC_OFFSET      0x7400
  48 #define TSI108_UART0_OFFSET     0x7800
  49 #define TSI108_GPIO_OFFSET      0x7A00
  50 #define TSI108_UART1_OFFSET     0x7C00
  51
  52 /* Tsi108 registers used by common code components */
  53 #define TSI108_PCI_CSR          (0x004)
  54 #define TSI108_PCI_IRP_CFG_CTL  (0x180)
  55 #define TSI108_PCI_IRP_STAT     (0x184)
  56 #define TSI108_PCI_IRP_ENABLE   (0x188)
  57 #define TSI108_PCI_IRP_INTAD    (0x18C)
  58
  59 #define TSI108_PCI_IRP_STAT_P_INT       (0x00400000)
  60 #define TSI108_PCI_IRP_ENABLE_P_INT     (0x00400000)
  61
  62 #define TSI108_CG_PWRUP_STATUS  (0x234)
  63
  64 #define TSI108_PB_ISR           (0x00C)
  65 #define TSI108_PB_ERRCS         (0x404)
  66 #define TSI108_PB_AERR          (0x408)
  67
  68 #define TSI108_PB_ERRCS_ES              (1 << 1)
  69 #define TSI108_PB_ISR_PBS_RD_ERR        (1 << 8)
  70
  71 #define TSI108_PCI_CFG_BASE_PHYS        (0xfb000000)
  72 #define TSI108_PCI_CFG_SIZE             (0x01000000)
  73 /* Global variables */
  74
  75 extern u32 tsi108_pci_cfg_base;
  76 /* Exported functions */
  77
  78 extern int tsi108_bridge_init(struct pci_controller *hose, uint phys_csr_base);
  79 extern unsigned long tsi108_get_mem_size(void);
  80 extern unsigned long tsi108_get_cpu_clk(void);
  81 extern unsigned long tsi108_get_sdc_clk(void);
  82 extern int tsi108_direct_write_config(struct pci_bus *bus, unsigned int devfn,
  83                                       int offset, int len, u32 val);
  84 extern int tsi108_direct_read_config(struct pci_bus *bus, unsigned int devfn,
  85                                      int offset, int len, u32 * val);
  86 extern void tsi108_clear_pci_error(u32 pci_cfg_base);
  87
  88 extern phys_addr_t get_csrbase(void);
  89
  90 typedef struct {
  91         u32 regs;               /* hw registers base address */
  92         u32 phyregs;            /* phy registers base address */
  93         u16 phy;                /* phy address */
  94         u16 irq_num;            /* irq number */
  95         u8 mac_addr[6];         /* phy mac address */
  96 } hw_info;
  97
  98 extern u32 get_vir_csrbase(void);
  99 extern u32 tsi108_csr_vir_base;
 100
 101 static inline u32 tsi108_read_reg(u32 reg_offset)
 102 {
 103         return in_be32((volatile u32 *)(tsi108_csr_vir_base + reg_offset));
 104 }
 105
 106 static inline void tsi108_write_reg(u32 reg_offset, u32 val)
 107 {
 108         out_be32((volatile u32 *)(tsi108_csr_vir_base + reg_offset), val);
 109 }
 110
 111 #endif                          /* __PPC_KERNEL_TSI108_H */