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-rw-r--r--arch/mips/include/asm/mach-au1x00/au1000.h89
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 0d302bad4492..62f91f50b5b5 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)
91 return *(volatile u32 *)reg; 91 return *(volatile u32 *)reg;
92} 92}
93 93
94/* Early Au1000 have a write-only SYS_CPUPLL register. */
95static inline int au1xxx_cpu_has_pll_wo(void)
96{
97 switch (read_c0_prid()) {
98 case 0x00030100: /* Au1000 DA */
99 case 0x00030201: /* Au1000 HA */
100 case 0x00030202: /* Au1000 HB */
101 return 1;
102 }
103 return 0;
104}
105
106/* does CPU need CONFIG[OD] set to fix tons of errata? */
107static inline int au1xxx_cpu_needs_config_od(void)
108{
109 /*
110 * c0_config.od (bit 19) was write only (and read as 0) on the
111 * early revisions of Alchemy SOCs. It disables the bus trans-
112 * action overlapping and needs to be set to fix various errata.
113 */
114 switch (read_c0_prid()) {
115 case 0x00030100: /* Au1000 DA */
116 case 0x00030201: /* Au1000 HA */
117 case 0x00030202: /* Au1000 HB */
118 case 0x01030200: /* Au1500 AB */
119 /*
120 * Au1100/Au1200 errata actually keep silence about this bit,
121 * so we set it just in case for those revisions that require
122 * it to be set according to the (now gone) cpu_table.
123 */
124 case 0x02030200: /* Au1100 AB */
125 case 0x02030201: /* Au1100 BA */
126 case 0x02030202: /* Au1100 BC */
127 case 0x04030201: /* Au1200 AC */
128 return 1;
129 }
130 return 0;
131}
94 132
95/* arch/mips/au1000/common/clocks.c */ 133/* arch/mips/au1000/common/clocks.c */
96extern void set_au1x00_speed(unsigned int new_freq); 134extern void set_au1x00_speed(unsigned int new_freq);
97extern unsigned int get_au1x00_speed(void); 135extern unsigned int get_au1x00_speed(void);
98extern void set_au1x00_uart_baud_base(unsigned long new_baud_base); 136extern void set_au1x00_uart_baud_base(unsigned long new_baud_base);
99extern unsigned long get_au1x00_uart_baud_base(void); 137extern unsigned long get_au1x00_uart_baud_base(void);
100extern void set_au1x00_lcd_clock(void); 138extern unsigned long au1xxx_calc_clock(void);
101extern unsigned int get_au1x00_lcd_clock(void); 139
140/* PM: arch/mips/alchemy/common/sleeper.S, power.c, irq.c */
141void au1xxx_save_and_sleep(void);
142void au_sleep(void);
143void save_au1xxx_intctl(void);
144void restore_au1xxx_intctl(void);
102 145
103/* 146/*
104 * Every board describes its IRQ mapping with this table. 147 * Every board describes its IRQ mapping with this table.
@@ -109,10 +152,11 @@ struct au1xxx_irqmap {
109 int im_request; 152 int im_request;
110}; 153};
111 154
112/* 155/* core calls this function to let boards initialize other IRQ sources */
113 * init_IRQ looks for a table with this name. 156void board_init_irq(void);
114 */ 157
115extern struct au1xxx_irqmap au1xxx_irq_map[]; 158/* boards call this to register additional (GPIO) interrupts */
159void au1xxx_setup_irqmap(struct au1xxx_irqmap *map, int count);
116 160
117#endif /* !defined (_LANGUAGE_ASSEMBLY) */ 161#endif /* !defined (_LANGUAGE_ASSEMBLY) */
118 162
@@ -505,15 +549,6 @@ extern struct au1xxx_irqmap au1xxx_irq_map[];
505 549
506#define IC1_TESTBIT 0xB1800080 550#define IC1_TESTBIT 0xB1800080
507 551
508/* Interrupt Configuration Modes */
509#define INTC_INT_DISABLED 0x0
510#define INTC_INT_RISE_EDGE 0x1
511#define INTC_INT_FALL_EDGE 0x2
512#define INTC_INT_RISE_AND_FALL_EDGE 0x3
513#define INTC_INT_HIGH_LEVEL 0x5
514#define INTC_INT_LOW_LEVEL 0x6
515#define INTC_INT_HIGH_AND_LOW_LEVEL 0x7
516
517/* Interrupt Numbers */ 552/* Interrupt Numbers */
518/* Au1000 */ 553/* Au1000 */
519#ifdef CONFIG_SOC_AU1000 554#ifdef CONFIG_SOC_AU1000
@@ -1525,6 +1560,10 @@ enum soc_au1200_ints {
1525#define SYS_SLPPWR 0xB1900078 1560#define SYS_SLPPWR 0xB1900078
1526#define SYS_SLEEP 0xB190007C 1561#define SYS_SLEEP 0xB190007C
1527 1562
1563#define SYS_WAKEMSK_D2 (1 << 9)
1564#define SYS_WAKEMSK_M2 (1 << 8)
1565#define SYS_WAKEMSK_GPIO(x) (1 << (x))
1566
1528/* Clock Controller */ 1567/* Clock Controller */
1529#define SYS_FREQCTRL0 0xB1900020 1568#define SYS_FREQCTRL0 0xB1900020
1530# define SYS_FC_FRDIV2_BIT 22 1569# define SYS_FC_FRDIV2_BIT 22
@@ -1749,24 +1788,4 @@ static AU1X00_SYS * const sys = (AU1X00_SYS *)SYS_BASE;
1749 1788
1750#endif 1789#endif
1751 1790
1752/*
1753 * Processor information based on PRID.
1754 * Copied from PowerPC.
1755 */
1756#ifndef _LANGUAGE_ASSEMBLY
1757struct cpu_spec {
1758 /* CPU is matched via (PRID & prid_mask) == prid_value */
1759 unsigned int prid_mask;
1760 unsigned int prid_value;
1761
1762 char *cpu_name;
1763 unsigned char cpu_od; /* Set Config[OD] */
1764 unsigned char cpu_bclk; /* Enable BCLK switching */
1765 unsigned char cpu_pll_wo; /* sys_cpupll reg. write-only */
1766};
1767
1768extern struct cpu_spec cpu_specs[];
1769extern struct cpu_spec *cur_cpu_spec[];
1770#endif
1771
1772#endif 1791#endif