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/*
* 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 */
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