arch/powerpc/include/asm/tsi108.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * common routine and memory layout for Tundra TSI108(Grendel) host bridge
   4  * memory controller.
   5  *
   6  * Author: Jacob Pan (jacob.pan@freescale.com)
   7  *         Alex Bounine (alexandreb@tundra.com)
   8  *
   9  * Copyright 2004-2006 Freescale Semiconductor, Inc.
  10  */
  11
  12 #ifndef __PPC_KERNEL_TSI108_H
  13 #define __PPC_KERNEL_TSI108_H
  14
  15 #include <asm/pci-bridge.h>
  16
  17 /* Size of entire register space */
  18 #define TSI108_REG_SIZE         (0x10000)
  19
  20 /* Sizes of register spaces for individual blocks */
  21 #define TSI108_HLP_SIZE         0x1000
  22 #define TSI108_PCI_SIZE         0x1000
  23 #define TSI108_CLK_SIZE         0x1000
  24 #define TSI108_PB_SIZE          0x1000
  25 #define TSI108_SD_SIZE          0x1000
  26 #define TSI108_DMA_SIZE         0x1000
  27 #define TSI108_ETH_SIZE         0x1000
  28 #define TSI108_I2C_SIZE         0x400
  29 #define TSI108_MPIC_SIZE        0x400
  30 #define TSI108_UART0_SIZE       0x200
  31 #define TSI108_GPIO_SIZE        0x200
  32 #define TSI108_UART1_SIZE       0x200
  33
  34 /* Offsets within Tsi108(A) CSR space for individual blocks */
  35 #define TSI108_HLP_OFFSET       0x0000
  36 #define TSI108_PCI_OFFSET       0x1000
  37 #define TSI108_CLK_OFFSET       0x2000
  38 #define TSI108_PB_OFFSET        0x3000
  39 #define TSI108_SD_OFFSET        0x4000
  40 #define TSI108_DMA_OFFSET       0x5000
  41 #define TSI108_ETH_OFFSET       0x6000
  42 #define TSI108_I2C_OFFSET       0x7000
  43 #define TSI108_MPIC_OFFSET      0x7400
  44 #define TSI108_UART0_OFFSET     0x7800
  45 #define TSI108_GPIO_OFFSET      0x7A00
  46 #define TSI108_UART1_OFFSET     0x7C00
  47
  48 /* Tsi108 registers used by common code components */
  49 #define TSI108_PCI_CSR          (0x004)
  50 #define TSI108_PCI_IRP_CFG_CTL  (0x180)
  51 #define TSI108_PCI_IRP_STAT     (0x184)
  52 #define TSI108_PCI_IRP_ENABLE   (0x188)
  53 #define TSI108_PCI_IRP_INTAD    (0x18C)
  54
  55 #define TSI108_PCI_IRP_STAT_P_INT       (0x00400000)
  56 #define TSI108_PCI_IRP_ENABLE_P_INT     (0x00400000)
  57
  58 #define TSI108_CG_PWRUP_STATUS  (0x234)
  59
  60 #define TSI108_PB_ISR           (0x00C)
  61 #define TSI108_PB_ERRCS         (0x404)
  62 #define TSI108_PB_AERR          (0x408)
  63
  64 #define TSI108_PB_ERRCS_ES              (1 << 1)
  65 #define TSI108_PB_ISR_PBS_RD_ERR        (1 << 8)
  66
  67 #define TSI108_PCI_CFG_SIZE             (0x01000000)
  68
  69 /*
  70  * PHY Configuration Options
  71  *
  72  * Specify "bcm54xx" in the compatible property of your device tree phy
  73  * nodes if your board uses the Broadcom PHYs
  74  */
  75 #define TSI108_PHY_MV88E        0       /* Marvel 88Exxxx PHY */
  76 #define TSI108_PHY_BCM54XX      1       /* Broadcom BCM54xx PHY */
  77
  78 /* Global variables */
  79
  80 extern u32 tsi108_pci_cfg_base;
  81 /* Exported functions */
  82
  83 extern int tsi108_direct_write_config(struct pci_bus *bus, unsigned int devfn,
  84                                       int offset, int len, u32 val);
  85 extern int tsi108_direct_read_config(struct pci_bus *bus, unsigned int devfn,
  86                                      int offset, int len, u32 * val);
  87 extern void tsi108_clear_pci_error(u32 pci_cfg_base);
  88
  89 extern phys_addr_t get_csrbase(void);
  90
  91 typedef struct {
  92         u32 regs;               /* hw registers base address */
  93         u32 phyregs;            /* phy registers base address */
  94         u16 phy;                /* phy address */
  95         u16 irq_num;            /* irq number */
  96         u8 mac_addr[6];         /* phy mac address */
  97         u16 phy_type;   /* type of phy on board */
  98 } hw_info;
  99
 100 extern u32 get_vir_csrbase(void);
 101 extern u32 tsi108_csr_vir_base;
 102
 103 static inline u32 tsi108_read_reg(u32 reg_offset)
 104 {
 105         return in_be32((volatile u32 *)(tsi108_csr_vir_base + reg_offset));
 106 }
 107
 108 static inline void tsi108_write_reg(u32 reg_offset, u32 val)
 109 {
 110         out_be32((volatile u32 *)(tsi108_csr_vir_base + reg_offset), val);
 111 }
 112
 113 #endif                          /* __PPC_KERNEL_TSI108_H */