LXR linux/arch/arm/mach-orion5x/common.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __ARCH_ORION5X_COMMON_H
   3#define __ARCH_ORION5X_COMMON_H
   4
   5#include <linux/reboot.h>
   6
   7struct dsa_chip_data;
   8struct mv643xx_eth_platform_data;
   9struct mv_sata_platform_data;
  10
  11#define ORION_MBUS_PCIE_MEM_TARGET    0x04
  12#define ORION_MBUS_PCIE_MEM_ATTR      0x59
  13#define ORION_MBUS_PCIE_IO_TARGET     0x04
  14#define ORION_MBUS_PCIE_IO_ATTR       0x51
  15#define ORION_MBUS_PCIE_WA_TARGET     0x04
  16#define ORION_MBUS_PCIE_WA_ATTR       0x79
  17#define ORION_MBUS_PCI_MEM_TARGET     0x03
  18#define ORION_MBUS_PCI_MEM_ATTR       0x59
  19#define ORION_MBUS_PCI_IO_TARGET      0x03
  20#define ORION_MBUS_PCI_IO_ATTR        0x51
  21#define ORION_MBUS_DEVBUS_BOOT_TARGET 0x01
  22#define ORION_MBUS_DEVBUS_BOOT_ATTR   0x0f
  23#define ORION_MBUS_DEVBUS_TARGET(cs)  0x01
  24#define ORION_MBUS_DEVBUS_ATTR(cs)    (~(1 << cs))
  25#define ORION_MBUS_SRAM_TARGET        0x09
  26#define ORION_MBUS_SRAM_ATTR          0x00
  27
  28/*
  29 * Basic Orion init functions used early by machine-setup.
  30 */
  31void orion5x_map_io(void);
  32void orion5x_init_early(void);
  33void orion5x_init_irq(void);
  34void orion5x_init(void);
  35void orion5x_id(u32 *dev, u32 *rev, char **dev_name);
  36void clk_init(void);
  37extern int orion5x_tclk;
  38extern void orion5x_timer_init(void);
  39
  40void orion5x_setup_wins(void);
  41
  42void orion5x_ehci0_init(void);
  43void orion5x_ehci1_init(void);
  44void orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data);
  45void orion5x_eth_switch_init(struct dsa_chip_data *d);
  46void orion5x_i2c_init(void);
  47void orion5x_sata_init(struct mv_sata_platform_data *sata_data);
  48void orion5x_spi_init(void);
  49void orion5x_uart0_init(void);
  50void orion5x_uart1_init(void);
  51void orion5x_xor_init(void);
  52void orion5x_restart(enum reboot_mode, const char *);
  53
  54/*
  55 * PCIe/PCI functions.
  56 */
  57struct pci_bus;
  58struct pci_host_bridge;
  59struct pci_sys_data;
  60struct pci_dev;
  61
  62void orion5x_pcie_id(u32 *dev, u32 *rev);
  63void orion5x_pci_disable(void);
  64void orion5x_pci_set_cardbus_mode(void);
  65int orion5x_pci_sys_setup(int nr, struct pci_sys_data *sys);
  66int orion5x_pci_sys_scan_bus(int nr, struct pci_host_bridge *bridge);
  67int orion5x_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
  68
  69struct tag;
  70extern void __init tag_fixup_mem32(struct tag *, char **);
  71
  72#ifdef CONFIG_MACH_MSS2_DT
  73extern void mss2_init(void);
  74#else
  75static inline void mss2_init(void) {}
  76#endif
  77
  78/*****************************************************************************
  79 * Helpers to access Orion registers
  80 ****************************************************************************/
  81/*
  82 * These are not preempt-safe.  Locks, if needed, must be taken
  83 * care of by the caller.
  84 */
  85#define orion5x_setbits(r, mask)        writel(readl(r) | (mask), (r))
  86#define orion5x_clrbits(r, mask)        writel(readl(r) & ~(mask), (r))
  87
  88#endif
  89