diff options
Diffstat (limited to 'arch/mips/include/asm/mach-au1x00/au1000.h')
| -rw-r--r-- | arch/mips/include/asm/mach-au1x00/au1000.h | 89 |
1 files changed, 54 insertions, 35 deletions
diff --git a/arch/mips/include/asm/mach-au1x00/au1000.h b/arch/mips/include/asm/mach-au1x00/au1000.h index 0d302bad449..62f91f50b5b 100644 --- a/arch/mips/include/asm/mach-au1x00/au1000.h +++ b/arch/mips/include/asm/mach-au1x00/au1000.h @@ -91,14 +91,57 @@ static inline u32 au_readl(unsigned long reg) return *(volatile u32 *)reg; } +/* Early Au1000 have a write-only SYS_CPUPLL register. */ +static inline int au1xxx_cpu_has_pll_wo(void) +{ + switch (read_c0_prid()) { + case 0x00030100: /* Au1000 DA */ + case 0x00030201: /* Au1000 HA */ + case 0x00030202: /* Au1000 HB */ + return 1; + } + return 0; +} + +/* does CPU need CONFIG[OD] set to fix tons of errata? */ +static inline int au1xxx_cpu_needs_config_od(void) +{ + /* + * c0_config.od (bit 19) was write only (and read as 0) on the + * early revisions of Alchemy SOCs. It disables the bus trans- + * action overlapping and needs to be set to fix various errata. + */ + switch (read_c0_prid()) { + case 0x00030100: /* Au1000 DA */ + case 0x00030201: /* Au1000 HA */ + case 0x00030202: /* Au1000 HB */ + case 0x01030200: /* Au1500 AB */ + /* + * Au1100/Au1200 errata actually keep silence about this bit, + * so we set it just in case for those revisions that require + * it to be set according to the (now gone) cpu_table. + */ + case 0x02030200: /* Au1100 AB */ + case 0x02030201: /* Au1100 BA */ + case 0x02030202: /* Au1100 BC */ + case 0x04030201: /* Au1200 AC */ + return 1; + } + return 0; +} /* arch/mips/au1000/common/clocks.c */ extern void set_au1x00_speed(unsigned int new_freq); extern unsigned int get_au1x00_speed(void); extern void set_au1x00_uart_baud_base(unsigned long new_baud_base); extern unsigned long get_au1x00_uart_baud_base(void); -extern void set_au1x00_lcd_clock(void); -extern unsigned int get_au1x00_lcd_clock(void); +extern unsigned long au1xxx_calc_clock(void); + +/* PM: arch/mips/alchemy/common/sleeper.S, power.c, irq.c */ +void au1xxx_save_and_sleep(void); +void au_sleep(void); +void save_au1xxx_intctl(void); +void restore_au1xxx_intctl(void); /* * Every board describes its IRQ mapping with this table. @@ -109,10 +152,11 @@ struct au1xxx_irqmap { int im_request; }; -/* - * init_IRQ looks for a table with this name. - */ -extern struct au1xxx_irqmap au1xxx_irq_map[]; +/* core calls this function to let boards initialize other IRQ sources */ +void board_init_irq(void); + +/* boards call this to register additional (GPIO) interrupts */ +void au1xxx_setup_irqmap(struct au1xxx_irqmap *map, int count); #endif /* !defined (_LANGUAGE_ASSEMBLY) */ @@ -505,15 +549,6 @@ extern struct au1xxx_irqmap au1xxx_irq_map[]; #define IC1_TESTBIT 0xB1800080 -/* Interrupt Configuration Modes */ -#define INTC_INT_DISABLED 0x0 -#define INTC_INT_RISE_EDGE 0x1 -#define INTC_INT_FALL_EDGE 0x2 -#define INTC_INT_RISE_AND_FALL_EDGE 0x3 -#define INTC_INT_HIGH_LEVEL 0x5 -#define INTC_INT_LOW_LEVEL 0x6 -#define INTC_INT_HIGH_AND_LOW_LEVEL 0x7 - /* Interrupt Numbers */ /* Au1000 */ #ifdef CONFIG_SOC_AU1000 @@ -1525,6 +1560,10 @@ enum soc_au1200_ints { #define SYS_SLPPWR 0xB1900078 #define SYS_SLEEP 0xB190007C +#define SYS_WAKEMSK_D2 (1 << 9) +#define SYS_WAKEMSK_M2 (1 << 8) +#define SYS_WAKEMSK_GPIO(x) (1 << (x)) + /* Clock Controller */ #define SYS_FREQCTRL0 0xB1900020 # define SYS_FC_FRDIV2_BIT 22 @@ -1749,24 +1788,4 @@ static AU1X00_SYS * const sys = (AU1X00_SYS *)SYS_BASE; #endif -/* - * Processor information based on PRID. - * Copied from PowerPC. - */ -#ifndef _LANGUAGE_ASSEMBLY -struct cpu_spec { - /* CPU is matched via (PRID & prid_mask) == prid_value */ - unsigned int prid_mask; - unsigned int prid_value; - - char *cpu_name; - unsigned char cpu_od; /* Set Config[OD] */ - unsigned char cpu_bclk; /* Enable BCLK switching */ - unsigned char cpu_pll_wo; /* sys_cpupll reg. write-only */ -}; - -extern struct cpu_spec cpu_specs[]; -extern struct cpu_spec *cur_cpu_spec[]; -#endif - #endif |