treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / arch / mips / include / asm / txx9 / generic.h
blob9a2c47bf3c4045e79d913d0528f2803e1dcbe01f
1 /*
2 * linux/include/asm-mips/txx9/generic.h
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License. See the file "COPYING" in the main directory of this archive
6 * for more details.
7 */
8 #ifndef __ASM_TXX9_GENERIC_H
9 #define __ASM_TXX9_GENERIC_H
11 #include <linux/init.h>
12 #include <linux/ioport.h> /* for struct resource */
14 extern struct resource txx9_ce_res[];
15 #define TXX9_CE(n) (unsigned long)(txx9_ce_res[(n)].start)
16 extern unsigned int txx9_pcode;
17 extern char txx9_pcode_str[8];
18 void txx9_reg_res_init(unsigned int pcode, unsigned long base,
19 unsigned long size);
21 extern unsigned int txx9_master_clock;
22 extern unsigned int txx9_cpu_clock;
23 extern unsigned int txx9_gbus_clock;
24 #define TXX9_IMCLK (txx9_gbus_clock / 2)
26 extern int txx9_ccfg_toeon;
27 struct uart_port;
28 int early_serial_txx9_setup(struct uart_port *port);
30 struct pci_dev;
31 struct txx9_board_vec {
32 const char *system;
33 void (*prom_init)(void);
34 void (*mem_setup)(void);
35 void (*irq_setup)(void);
36 void (*time_init)(void);
37 void (*arch_init)(void);
38 void (*device_init)(void);
39 #ifdef CONFIG_PCI
40 int (*pci_map_irq)(const struct pci_dev *dev, u8 slot, u8 pin);
41 #endif
43 extern struct txx9_board_vec *txx9_board_vec;
44 extern int (*txx9_irq_dispatch)(int pending);
45 const char *prom_getenv(const char *name);
46 void txx9_wdt_init(unsigned long base);
47 void txx9_wdt_now(unsigned long base);
48 void txx9_spi_init(int busid, unsigned long base, int irq);
49 void txx9_ethaddr_init(unsigned int id, unsigned char *ethaddr);
50 void txx9_sio_init(unsigned long baseaddr, int irq,
51 unsigned int line, unsigned int sclk, int nocts);
52 #ifdef CONFIG_EARLY_PRINTK
53 extern void (*txx9_prom_putchar)(char c);
54 void txx9_sio_putchar_init(unsigned long baseaddr);
55 #else
56 static inline void txx9_sio_putchar_init(unsigned long baseaddr)
59 #endif
61 struct physmap_flash_data;
62 void txx9_physmap_flash_init(int no, unsigned long addr, unsigned long size,
63 const struct physmap_flash_data *pdata);
65 /* 8 bit version of __fls(): find first bit set (returns 0..7) */
66 static inline unsigned int __fls8(unsigned char x)
68 int r = 7;
70 if (!(x & 0xf0)) {
71 r -= 4;
72 x <<= 4;
74 if (!(x & 0xc0)) {
75 r -= 2;
76 x <<= 2;
78 if (!(x & 0x80))
79 r -= 1;
80 return r;
83 void txx9_iocled_init(unsigned long baseaddr,
84 int basenum, unsigned int num, int lowactive,
85 const char *color, char **deftriggers);
87 /* 7SEG LED */
88 void txx9_7segled_init(unsigned int num,
89 void (*putc)(unsigned int pos, unsigned char val));
90 int txx9_7segled_putc(unsigned int pos, char c);
92 void __init txx9_aclc_init(unsigned long baseaddr, int irq,
93 unsigned int dmac_id,
94 unsigned int dma_chan_out,
95 unsigned int dma_chan_in);
96 void __init txx9_sramc_init(struct resource *r);
98 #endif /* __ASM_TXX9_GENERIC_H */