arch/powerpc/platforms/cell/cbe_regs.h - maze/linux - Git at Google

 /*
  * cbe_regs.h
  *
  * This file is intended to hold the various register definitions for CBE
  * on-chip system devices (memory controller, IO controller, etc...)
  *
  * (C) Copyright IBM Corporation 2001,2006
  *
  * Authors: Maximino Aguilar (maguilar@us.ibm.com)
  *          David J. Erb (djerb@us.ibm.com)
  *
  * (c) 2006 Benjamin Herrenschmidt <benh@kernel.crashing.org>, IBM Corp.
  */

 #ifndef CBE_REGS_H
 #define CBE_REGS_H

 #include <asm/cell-pmu.h>

 /*
  *
  * Some HID register definitions
  *
  */

 /* CBE specific HID0 bits */
 #define HID0_CBE_THERM_WAKEUP	0x0000020000000000ul
 #define HID0_CBE_SYSERR_WAKEUP	0x0000008000000000ul
 #define HID0_CBE_THERM_INT_EN	0x0000000400000000ul
 #define HID0_CBE_SYSERR_INT_EN	0x0000000200000000ul

 #define MAX_CBE		2

 /*
  *
  * Pervasive unit register definitions
  *
  */

 union spe_reg {
 	u64 val;
 	u8 spe[8];
 };

 union ppe_spe_reg {
 	u64 val;
 	struct {
 		u32 ppe;
 		u32 spe;
 	};
 };


 struct cbe_pmd_regs {
 	/* Debug Bus Control */
 	u64	pad_0x0000;					/* 0x0000 */

 	u64	group_control;					/* 0x0008 */

 	u8	pad_0x0010_0x00a8 [0x00a8 - 0x0010];		/* 0x0010 */

 	u64	debug_bus_control;				/* 0x00a8 */

 	u8	pad_0x00b0_0x0100 [0x0100 - 0x00b0];		/* 0x00b0 */

 	u64	trace_aux_data;					/* 0x0100 */
 	u64	trace_buffer_0_63;				/* 0x0108 */
 	u64	trace_buffer_64_127;				/* 0x0110 */
 	u64	trace_address;					/* 0x0118 */
 	u64	ext_tr_timer;					/* 0x0120 */

 	u8	pad_0x0128_0x0400 [0x0400 - 0x0128];		/* 0x0128 */

 	/* Performance Monitor */
 	u64	pm_status;					/* 0x0400 */
 	u64	pm_control;					/* 0x0408 */
 	u64	pm_interval;					/* 0x0410 */
 	u64	pm_ctr[4];					/* 0x0418 */
 	u64	pm_start_stop;					/* 0x0438 */
 	u64	pm07_control[8];				/* 0x0440 */

 	u8	pad_0x0480_0x0800 [0x0800 - 0x0480];		/* 0x0480 */

 	/* Thermal Sensor Registers */
 	union	spe_reg	ts_ctsr1;				/* 0x0800 */
 	u64	ts_ctsr2;					/* 0x0808 */
 	union	spe_reg	ts_mtsr1;				/* 0x0810 */
 	u64	ts_mtsr2;					/* 0x0818 */
 	union	spe_reg	ts_itr1;				/* 0x0820 */
 	u64	ts_itr2;					/* 0x0828 */
 	u64	ts_gitr;					/* 0x0830 */
 	u64	ts_isr;						/* 0x0838 */
 	u64	ts_imr;						/* 0x0840 */
 	union	spe_reg	tm_cr1;					/* 0x0848 */
 	u64	tm_cr2;						/* 0x0850 */
 	u64	tm_simr;					/* 0x0858 */
 	union	ppe_spe_reg tm_tpr;				/* 0x0860 */
 	union	spe_reg	tm_str1;				/* 0x0868 */
 	u64	tm_str2;					/* 0x0870 */
 	union	ppe_spe_reg tm_tsr;				/* 0x0878 */

 	/* Power Management */
 	u64	pmcr;						/* 0x0880 */
 #define CBE_PMD_PAUSE_ZERO_CONTROL	0x10000
 	u64	pmsr;						/* 0x0888 */

 	/* Time Base Register */
 	u64	tbr;						/* 0x0890 */

 	u8	pad_0x0898_0x0c00 [0x0c00 - 0x0898];		/* 0x0898 */

 	/* Fault Isolation Registers */
 	u64	checkstop_fir;					/* 0x0c00 */
 	u64	recoverable_fir;				/* 0x0c08 */
 	u64	spec_att_mchk_fir;				/* 0x0c10 */
 	u64	fir_mode_reg;					/* 0x0c18 */
 	u64	fir_enable_mask;				/* 0x0c20 */

 	u8	pad_0x0c28_0x1000 [0x1000 - 0x0c28];		/* 0x0c28 */
 };

 extern struct cbe_pmd_regs __iomem *cbe_get_pmd_regs(struct device_node *np);
 extern struct cbe_pmd_regs __iomem *cbe_get_cpu_pmd_regs(int cpu);

 /*
  * PMU shadow registers
  *
  * Many of the registers in the performance monitoring unit are write-only,
  * so we need to save a copy of what we write to those registers.
  *
  * The actual data counters are read/write. However, writing to the counters
  * only takes effect if the PMU is enabled. Otherwise the value is stored in
  * a hardware latch until the next time the PMU is enabled. So we save a copy
  * of the counter values if we need to read them back while the PMU is
  * disabled. The counter_value_in_latch field is a bitmap indicating which
  * counters currently have a value waiting to be written.
  */

 struct cbe_pmd_shadow_regs {
 	u32 group_control;
 	u32 debug_bus_control;
 	u32 trace_address;
 	u32 ext_tr_timer;
 	u32 pm_status;
 	u32 pm_control;
 	u32 pm_interval;
 	u32 pm_start_stop;
 	u32 pm07_control[NR_CTRS];

 	u32 pm_ctr[NR_PHYS_CTRS];
 	u32 counter_value_in_latch;
 };

 extern struct cbe_pmd_shadow_regs *cbe_get_pmd_shadow_regs(struct device_node *np);
 extern struct cbe_pmd_shadow_regs *cbe_get_cpu_pmd_shadow_regs(int cpu);

 /*
  *
  * IIC unit register definitions
  *
  */

 struct cbe_iic_pending_bits {
 	u32 data;
 	u8 flags;
 	u8 class;
 	u8 source;
 	u8 prio;
 };

 #define CBE_IIC_IRQ_VALID	0x80
 #define CBE_IIC_IRQ_IPI		0x40

 struct cbe_iic_thread_regs {
 	struct cbe_iic_pending_bits pending;
 	struct cbe_iic_pending_bits pending_destr;
 	u64 generate;
 	u64 prio;
 };

 struct cbe_iic_regs {
 	u8	pad_0x0000_0x0400[0x0400 - 0x0000];		/* 0x0000 */

 	/* IIC interrupt registers */
 	struct	cbe_iic_thread_regs thread[2];			/* 0x0400 */

 	u64	iic_ir;						/* 0x0440 */
 #define CBE_IIC_IR_PRIO(x)      (((x) & 0xf) << 12)
 #define CBE_IIC_IR_DEST_NODE(x) (((x) & 0xf) << 4)
 #define CBE_IIC_IR_DEST_UNIT(x) ((x) & 0xf)
 #define CBE_IIC_IR_IOC_0        0x0
 #define CBE_IIC_IR_IOC_1S       0xb
 #define CBE_IIC_IR_PT_0         0xe
 #define CBE_IIC_IR_PT_1         0xf

 	u64	iic_is;						/* 0x0448 */
 #define CBE_IIC_IS_PMI		0x2

 	u8	pad_0x0450_0x0500[0x0500 - 0x0450];		/* 0x0450 */

 	/* IOC FIR */
 	u64	ioc_fir_reset;					/* 0x0500 */
 	u64	ioc_fir_set;					/* 0x0508 */
 	u64	ioc_checkstop_enable;				/* 0x0510 */
 	u64	ioc_fir_error_mask;				/* 0x0518 */
 	u64	ioc_syserr_enable;				/* 0x0520 */
 	u64	ioc_fir;					/* 0x0528 */

 	u8	pad_0x0530_0x1000[0x1000 - 0x0530];		/* 0x0530 */
 };

 extern struct cbe_iic_regs __iomem *cbe_get_iic_regs(struct device_node *np);
 extern struct cbe_iic_regs __iomem *cbe_get_cpu_iic_regs(int cpu);


 struct cbe_mic_tm_regs {
 	u8	pad_0x0000_0x0040[0x0040 - 0x0000];		/* 0x0000 */

 	u64	mic_ctl_cnfg2;					/* 0x0040 */
 #define CBE_MIC_ENABLE_AUX_TRC		0x8000000000000000LL
 #define CBE_MIC_DISABLE_PWR_SAV_2	0x0200000000000000LL
 #define CBE_MIC_DISABLE_AUX_TRC_WRAP	0x0100000000000000LL
 #define CBE_MIC_ENABLE_AUX_TRC_INT	0x0080000000000000LL

 	u64	pad_0x0048;					/* 0x0048 */

 	u64	mic_aux_trc_base;				/* 0x0050 */
 	u64	mic_aux_trc_max_addr;				/* 0x0058 */
 	u64	mic_aux_trc_cur_addr;				/* 0x0060 */
 	u64	mic_aux_trc_grf_addr;				/* 0x0068 */
 	u64	mic_aux_trc_grf_data;				/* 0x0070 */

 	u64	pad_0x0078;					/* 0x0078 */

 	u64	mic_ctl_cnfg_0;					/* 0x0080 */
 #define CBE_MIC_DISABLE_PWR_SAV_0	0x8000000000000000LL

 	u64	pad_0x0088;					/* 0x0088 */

 	u64	slow_fast_timer_0;				/* 0x0090 */
 	u64	slow_next_timer_0;				/* 0x0098 */

 	u8	pad_0x00a0_0x01c0[0x01c0 - 0x0a0];		/* 0x00a0 */

 	u64	mic_ctl_cnfg_1;					/* 0x01c0 */
 #define CBE_MIC_DISABLE_PWR_SAV_1	0x8000000000000000LL
 	u64	pad_0x01c8;					/* 0x01c8 */

 	u64	slow_fast_timer_1;				/* 0x01d0 */
 	u64	slow_next_timer_1;				/* 0x01d8 */

 	u8	pad_0x01e0_0x1000[0x1000 - 0x01e0];		/* 0x01e0 */
 };

 extern struct cbe_mic_tm_regs __iomem *cbe_get_mic_tm_regs(struct device_node *np);
 extern struct cbe_mic_tm_regs __iomem *cbe_get_cpu_mic_tm_regs(int cpu);

 /* some utility functions to deal with SMT */
 extern u32 cbe_get_hw_thread_id(int cpu);
 extern u32 cbe_cpu_to_node(int cpu);
 extern u32 cbe_node_to_cpu(int node);

 /* Init this module early */
 extern void cbe_regs_init(void);


 #endif /* CBE_REGS_H */
	/*
	* cbe_regs.h
	*
	* This file is intended to hold the various register definitions for CBE
	* on-chip system devices (memory controller, IO controller, etc...)
	*
	* (C) Copyright IBM Corporation 2001,2006
	*
	* Authors: Maximino Aguilar (maguilar@us.ibm.com)
	* David J. Erb (djerb@us.ibm.com)
	*
	* (c) 2006 Benjamin Herrenschmidt <benh@kernel.crashing.org>, IBM Corp.
	*/

	#ifndef CBE_REGS_H
	#define CBE_REGS_H

	#include <asm/cell-pmu.h>

	/*
	*
	* Some HID register definitions
	*
	*/

	/* CBE specific HID0 bits */
	#define HID0_CBE_THERM_WAKEUP 0x0000020000000000ul
	#define HID0_CBE_SYSERR_WAKEUP 0x0000008000000000ul
	#define HID0_CBE_THERM_INT_EN 0x0000000400000000ul
	#define HID0_CBE_SYSERR_INT_EN 0x0000000200000000ul

	#define MAX_CBE 2

	/*
	*
	* Pervasive unit register definitions
	*
	*/

	union spe_reg {
	u64 val;
	u8 spe[8];
	};

	union ppe_spe_reg {
	u64 val;
	struct {
	u32 ppe;
	u32 spe;
	};
	};


	struct cbe_pmd_regs {
	/* Debug Bus Control */
	u64 pad_0x0000; /* 0x0000 */

	u64 group_control; /* 0x0008 */

	u8 pad_0x0010_0x00a8 [0x00a8 - 0x0010]; /* 0x0010 */

	u64 debug_bus_control; /* 0x00a8 */

	u8 pad_0x00b0_0x0100 [0x0100 - 0x00b0]; /* 0x00b0 */

	u64 trace_aux_data; /* 0x0100 */
	u64 trace_buffer_0_63; /* 0x0108 */
	u64 trace_buffer_64_127; /* 0x0110 */
	u64 trace_address; /* 0x0118 */
	u64 ext_tr_timer; /* 0x0120 */

	u8 pad_0x0128_0x0400 [0x0400 - 0x0128]; /* 0x0128 */

	/* Performance Monitor */
	u64 pm_status; /* 0x0400 */
	u64 pm_control; /* 0x0408 */
	u64 pm_interval; /* 0x0410 */
	u64 pm_ctr[4]; /* 0x0418 */
	u64 pm_start_stop; /* 0x0438 */
	u64 pm07_control[8]; /* 0x0440 */

	u8 pad_0x0480_0x0800 [0x0800 - 0x0480]; /* 0x0480 */

	/* Thermal Sensor Registers */
	union spe_reg ts_ctsr1; /* 0x0800 */
	u64 ts_ctsr2; /* 0x0808 */
	union spe_reg ts_mtsr1; /* 0x0810 */
	u64 ts_mtsr2; /* 0x0818 */
	union spe_reg ts_itr1; /* 0x0820 */
	u64 ts_itr2; /* 0x0828 */
	u64 ts_gitr; /* 0x0830 */
	u64 ts_isr; /* 0x0838 */
	u64 ts_imr; /* 0x0840 */
	union spe_reg tm_cr1; /* 0x0848 */
	u64 tm_cr2; /* 0x0850 */
	u64 tm_simr; /* 0x0858 */
	union ppe_spe_reg tm_tpr; /* 0x0860 */
	union spe_reg tm_str1; /* 0x0868 */
	u64 tm_str2; /* 0x0870 */
	union ppe_spe_reg tm_tsr; /* 0x0878 */

	/* Power Management */
	u64 pmcr; /* 0x0880 */
	#define CBE_PMD_PAUSE_ZERO_CONTROL 0x10000
	u64 pmsr; /* 0x0888 */

	/* Time Base Register */
	u64 tbr; /* 0x0890 */

	u8 pad_0x0898_0x0c00 [0x0c00 - 0x0898]; /* 0x0898 */

	/* Fault Isolation Registers */
	u64 checkstop_fir; /* 0x0c00 */
	u64 recoverable_fir; /* 0x0c08 */
	u64 spec_att_mchk_fir; /* 0x0c10 */
	u64 fir_mode_reg; /* 0x0c18 */
	u64 fir_enable_mask; /* 0x0c20 */

	u8 pad_0x0c28_0x1000 [0x1000 - 0x0c28]; /* 0x0c28 */
	};

	extern struct cbe_pmd_regs __iomem cbe_get_pmd_regs(struct device_node np);
	extern struct cbe_pmd_regs __iomem *cbe_get_cpu_pmd_regs(int cpu);

	/*
	* PMU shadow registers
	*
	* Many of the registers in the performance monitoring unit are write-only,
	* so we need to save a copy of what we write to those registers.
	*
	* The actual data counters are read/write. However, writing to the counters
	* only takes effect if the PMU is enabled. Otherwise the value is stored in
	* a hardware latch until the next time the PMU is enabled. So we save a copy
	* of the counter values if we need to read them back while the PMU is
	* disabled. The counter_value_in_latch field is a bitmap indicating which
	* counters currently have a value waiting to be written.
	*/

	struct cbe_pmd_shadow_regs {
	u32 group_control;
	u32 debug_bus_control;
	u32 trace_address;
	u32 ext_tr_timer;
	u32 pm_status;
	u32 pm_control;
	u32 pm_interval;
	u32 pm_start_stop;
	u32 pm07_control[NR_CTRS];

	u32 pm_ctr[NR_PHYS_CTRS];
	u32 counter_value_in_latch;
	};

	extern struct cbe_pmd_shadow_regs cbe_get_pmd_shadow_regs(struct device_node np);
	extern struct cbe_pmd_shadow_regs *cbe_get_cpu_pmd_shadow_regs(int cpu);

	/*
	*
	* IIC unit register definitions
	*
	*/

	struct cbe_iic_pending_bits {
	u32 data;
	u8 flags;
	u8 class;
	u8 source;
	u8 prio;
	};

	#define CBE_IIC_IRQ_VALID 0x80
	#define CBE_IIC_IRQ_IPI 0x40

	struct cbe_iic_thread_regs {
	struct cbe_iic_pending_bits pending;
	struct cbe_iic_pending_bits pending_destr;
	u64 generate;
	u64 prio;
	};

	struct cbe_iic_regs {
	u8 pad_0x0000_0x0400[0x0400 - 0x0000]; /* 0x0000 */

	/* IIC interrupt registers */
	struct cbe_iic_thread_regs thread[2]; /* 0x0400 */

	u64 iic_ir; /* 0x0440 */
	#define CBE_IIC_IR_PRIO(x) (((x) & 0xf) << 12)
	#define CBE_IIC_IR_DEST_NODE(x) (((x) & 0xf) << 4)
	#define CBE_IIC_IR_DEST_UNIT(x) ((x) & 0xf)
	#define CBE_IIC_IR_IOC_0 0x0
	#define CBE_IIC_IR_IOC_1S 0xb
	#define CBE_IIC_IR_PT_0 0xe
	#define CBE_IIC_IR_PT_1 0xf

	u64 iic_is; /* 0x0448 */
	#define CBE_IIC_IS_PMI 0x2

	u8 pad_0x0450_0x0500[0x0500 - 0x0450]; /* 0x0450 */

	/* IOC FIR */
	u64 ioc_fir_reset; /* 0x0500 */
	u64 ioc_fir_set; /* 0x0508 */
	u64 ioc_checkstop_enable; /* 0x0510 */
	u64 ioc_fir_error_mask; /* 0x0518 */
	u64 ioc_syserr_enable; /* 0x0520 */
	u64 ioc_fir; /* 0x0528 */

	u8 pad_0x0530_0x1000[0x1000 - 0x0530]; /* 0x0530 */
	};

	extern struct cbe_iic_regs __iomem cbe_get_iic_regs(struct device_node np);
	extern struct cbe_iic_regs __iomem *cbe_get_cpu_iic_regs(int cpu);


	struct cbe_mic_tm_regs {
	u8 pad_0x0000_0x0040[0x0040 - 0x0000]; /* 0x0000 */

	u64 mic_ctl_cnfg2; /* 0x0040 */
	#define CBE_MIC_ENABLE_AUX_TRC 0x8000000000000000LL
	#define CBE_MIC_DISABLE_PWR_SAV_2 0x0200000000000000LL
	#define CBE_MIC_DISABLE_AUX_TRC_WRAP 0x0100000000000000LL
	#define CBE_MIC_ENABLE_AUX_TRC_INT 0x0080000000000000LL

	u64 pad_0x0048; /* 0x0048 */

	u64 mic_aux_trc_base; /* 0x0050 */
	u64 mic_aux_trc_max_addr; /* 0x0058 */
	u64 mic_aux_trc_cur_addr; /* 0x0060 */
	u64 mic_aux_trc_grf_addr; /* 0x0068 */
	u64 mic_aux_trc_grf_data; /* 0x0070 */

	u64 pad_0x0078; /* 0x0078 */

	u64 mic_ctl_cnfg_0; /* 0x0080 */
	#define CBE_MIC_DISABLE_PWR_SAV_0 0x8000000000000000LL

	u64 pad_0x0088; /* 0x0088 */

	u64 slow_fast_timer_0; /* 0x0090 */
	u64 slow_next_timer_0; /* 0x0098 */

	u8 pad_0x00a0_0x01c0[0x01c0 - 0x0a0]; /* 0x00a0 */

	u64 mic_ctl_cnfg_1; /* 0x01c0 */
	#define CBE_MIC_DISABLE_PWR_SAV_1 0x8000000000000000LL
	u64 pad_0x01c8; /* 0x01c8 */

	u64 slow_fast_timer_1; /* 0x01d0 */
	u64 slow_next_timer_1; /* 0x01d8 */

	u8 pad_0x01e0_0x1000[0x1000 - 0x01e0]; /* 0x01e0 */
	};

	extern struct cbe_mic_tm_regs __iomem cbe_get_mic_tm_regs(struct device_node np);
	extern struct cbe_mic_tm_regs __iomem *cbe_get_cpu_mic_tm_regs(int cpu);

	/* some utility functions to deal with SMT */
	extern u32 cbe_get_hw_thread_id(int cpu);
	extern u32 cbe_cpu_to_node(int cpu);
	extern u32 cbe_node_to_cpu(int node);

	/* Init this module early */
	extern void cbe_regs_init(void);


	#endif /* CBE_REGS_H */