common.h (2750B)
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