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