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
mss2_init(void)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