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 7 struct dsa_chip_data; 8 struct mv643xx_eth_platform_data; 9 struct 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 */ 31 void orion5x_map_io(void); 32 void orion5x_init_early(void); 33 void orion5x_init_irq(void); 34 void orion5x_init(void); 35 void orion5x_id(u32 *dev, u32 *rev, char **dev_name); 36 void clk_init(void); 37 extern int orion5x_tclk; 38 extern void orion5x_timer_init(void); 39 40 void orion5x_setup_wins(void); 41 42 void orion5x_ehci0_init(void); 43 void orion5x_ehci1_init(void); 44 void orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data); 45 void orion5x_eth_switch_init(struct dsa_chip_data *d); 46 void orion5x_i2c_init(void); 47 void orion5x_sata_init(struct mv_sata_platform_data *sata_data); 48 void orion5x_spi_init(void); 49 void orion5x_uart0_init(void); 50 void orion5x_uart1_init(void); 51 void orion5x_xor_init(void); 52 void orion5x_restart(enum reboot_mode, const char *); 53 54 /* 55 * PCIe/PCI functions. 56 */ 57 struct pci_bus; 58 struct pci_host_bridge; 59 struct pci_sys_data; 60 struct pci_dev; 61 62 void orion5x_pcie_id(u32 *dev, u32 *rev); 63 void orion5x_pci_disable(void); 64 void orion5x_pci_set_cardbus_mode(void); 65 int orion5x_pci_sys_setup(int nr, struct pci_sys_data *sys); 66 int orion5x_pci_sys_scan_bus(int nr, struct pci_host_bridge *bridge); 67 int orion5x_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin); 68 69 struct tag; 70 extern void __init tag_fixup_mem32(struct tag *, char **); 71 72 #ifdef CONFIG_MACH_MSS2_DT 73 extern void mss2_init(void); 74 #else 75 static 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