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rmixlvar.h revision 1.1.2.27
      1 /*	rmixlvar.h,v 1.1.2.26 2012/01/19 08:03:22 matt Exp	*/
      2 
      3 /*
      4  * Copyright 2002 Wasabi Systems, Inc.
      5  * All rights reserved.
      6  *
      7  * Written by Simon Burge for Wasabi Systems, Inc.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *      This product includes software developed for the NetBSD Project by
     20  *      Wasabi Systems, Inc.
     21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
     22  *    or promote products derived from this software without specific prior
     23  *    written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
     26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
     29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     35  * POSSIBILITY OF SUCH DAMAGE.
     36  */
     37 
     38 #ifndef _MIPS_RMI_RMIXLVAR_H_
     39 #define _MIPS_RMI_RMIXLVAR_H_
     40 
     41 #include <sys/bus.h>
     42 #include <sys/extent.h>
     43 
     44 #include <dev/pci/pcivar.h>
     45 
     46 #include <mips/cpu.h>
     47 #include <mips/locore.h>
     48 
     49 #include <mips/rmi/rmixl_firmware.h>
     50 #include <mips/rmi/rmixlreg.h>
     51 
     52 void rmixl_pcr_init_core(bool);
     53 
     54 static inline int
     55 cpu_rmixl_chip_type(const struct pridtab *ct)
     56 {
     57 	return ct->cpu_cidflags & MIPS_CIDFL_RMI_TYPE;
     58 }
     59 
     60 static inline bool
     61 cpu_rmixl(const struct pridtab *ct)
     62 {
     63 	return ct->cpu_cid == MIPS_PRID_CID_RMI;
     64 }
     65 
     66 static inline bool
     67 cpu_rmixlr(const struct pridtab *ct)
     68 {
     69 #ifdef MIPS64_XLR
     70 #if (MIPS64_XLS + MIPS64_XLP) == 0
     71 	return true;
     72 #else
     73 	return cpu_rmixl(ct) && cpu_rmixl_chip_type(ct) == CIDFL_RMI_TYPE_XLR;
     74 #endif
     75 #else
     76 	return false;
     77 #endif
     78 }
     79 
     80 static inline bool
     81 cpu_rmixls(const struct pridtab *ct)
     82 {
     83 #ifdef MIPS64_XLS
     84 #if (MIPS64_XLR + MIPS64_XLP) == 0
     85 	return true;
     86 #else
     87 	return cpu_rmixl(ct) && cpu_rmixl_chip_type(ct) == CIDFL_RMI_TYPE_XLS;
     88 #endif
     89 #else
     90 	return false;
     91 #endif
     92 }
     93 
     94 static inline bool
     95 cpu_rmixlp(const struct pridtab *ct)
     96 {
     97 #ifdef MIPS64_XLP
     98 #if (MIPS64_XLR + MIPS64_XLS) == 0
     99 	return true;
    100 #else
    101 	return cpu_rmixl(ct) && cpu_rmixl_chip_type(ct) == CIDFL_RMI_TYPE_XLP;
    102 #endif
    103 #else
    104 	return false;
    105 #endif
    106 }
    107 
    108 typedef enum {
    109 	PSB_TYPE_UNKNOWN=0,
    110 	PSB_TYPE_RMI,
    111 	PSB_TYPE_DELL,
    112 } rmixlfw_psb_type_t;
    113 
    114 static inline const char *
    115 rmixlfw_psb_type_name(rmixlfw_psb_type_t type)
    116 {
    117 	switch(type) {
    118 	case PSB_TYPE_UNKNOWN:
    119 		return "unknown";
    120 	case PSB_TYPE_RMI:
    121 		return "RMI";
    122 	case PSB_TYPE_DELL:
    123 		return "DELL";
    124 	default:
    125 		return "undefined";
    126 	}
    127 }
    128 
    129 typedef enum {
    130 	RMIXLP_8XX,
    131 	RMIXLP_4XX,
    132 	/* These next 4 need to be in this order */
    133 	RMIXLP_3XX,
    134 	RMIXLP_3XXL,
    135 	RMIXLP_3XXH,
    136 	RMIXLP_3XXQ,
    137 	RMIXLP_2XX,
    138 	RMIXLP_1XX,
    139 	RMIXLP_ANY,		/* must be last */
    140 } rmixlp_variant_t;
    141 
    142 #define	RMIXLP_8XX_P	(RMIXLP_8XX <= rmixl_configuration.rc_xlp_variant \
    143 			 && rmixl_configuration.rc_xlp_variant <= RMIXLP_4XX)
    144 #define	RMIXLP_3XX_P	(RMIXLP_3XX <= rmixl_configuration.rc_xlp_variant \
    145 			 && rmixl_configuration.rc_xlp_variant <= RMIXLP_3XXQ)
    146 #define	RMIXLP_2XX_P	(RMIXLP_2XX <= rmixl_configuration.rc_xlp_variant \
    147 			 && rmixl_configuration.rc_xlp_variant <= RMIXLP_1XX)
    148 
    149 struct rmixl_region {
    150 	bus_addr_t		r_pbase;
    151 	bus_size_t		r_size;
    152 };
    153 
    154 struct rmixl_config {
    155 	struct rmixl_region	rc_io;
    156 	struct rmixl_region	rc_flash[RMIXLP_SBC_NFLASH]; /* FLASH_BAR */
    157 	struct rmixl_region	rc_pci_cfg;
    158 	struct rmixl_region	rc_pci_ecfg;
    159 	struct rmixl_region	rc_pci_mem;
    160 	struct rmixl_region	rc_pci_io;
    161 	struct rmixl_region	rc_pci_link_mem[RMIXLP_SBC_NPCIE_MEM];
    162 	struct rmixl_region	rc_pci_link_io[RMIXLP_SBC_NPCIE_IO];
    163 	struct rmixl_region	rc_srio_mem;
    164 	struct rmixl_region	rc_norflash[RMIXLP_NOR_NCS]; /* XLP */
    165 	struct mips_bus_space	rc_obio_eb_memt; 	/* DEVIO -eb */
    166 	struct mips_bus_space	rc_obio_el_memt; 	/* DEVIO -el */
    167 	struct mips_bus_space	rc_iobus_memt; 		/* Peripherals IO Bus */
    168 	struct mips_bus_space	rc_pci_cfg_memt; 	/* PCI CFG */
    169 	struct mips_bus_space	rc_pci_ecfg_eb_memt; 	/* PCI ECFG */
    170 	struct mips_bus_space	rc_pci_ecfg_el_memt; 	/* PCI ECFG */
    171 	struct mips_bus_space	rc_pci_memt; 		/* PCI MEM */
    172 	struct mips_bus_space	rc_pci_iot; 		/* PCI IO */
    173 	struct mips_bus_space	rc_srio_memt; 		/* SRIO MEM */
    174 	struct mips_bus_dma_tag	rc_dma_tag;
    175 	struct mips_pci_chipset rc_pci_chipset;		/* pci_chipset_t */
    176 	bus_space_handle_t	rc_pci_cfg_memh;
    177 	bus_space_handle_t	rc_pci_ecfg_eb_memh;
    178 	bus_space_handle_t	rc_pci_ecfg_el_memh;
    179 	bus_dma_tag_t		rc_dmat64;
    180 	bus_dma_tag_t		rc_dmat32;
    181 	bus_dma_tag_t		rc_dmat29;
    182 	struct extent *		rc_phys_ex;		/* Note: MB units */
    183 	struct extent *		rc_obio_eb_ex;
    184 	struct extent *		rc_obio_el_ex;
    185 	struct extent *		rc_iobus_ex;
    186 	struct extent *		rc_pci_mem_ex;
    187 	struct extent *		rc_pci_io_ex;
    188 	struct extent *		rc_srio_mem_ex;
    189 	uint64_t		rc_gpio_available;
    190 	rmixlfw_info_t 		rc_psb_info;
    191 	rmixlfw_psb_type_t	rc_psb_type;
    192 	volatile struct rmixlfw_cpu_wakeup_info *
    193 				rc_cpu_wakeup_info;
    194 	const void *		rc_cpu_wakeup_end;
    195 	const char *		rc_cpuname;
    196 	int			rc_mallocsafe;
    197 	rmixlp_variant_t	rc_xlp_variant;
    198 	uint8_t			rc_ncores;
    199 };
    200 
    201 extern struct rmixl_config rmixl_configuration;
    202 
    203 void	rmixl_flash_eb_bus_mem_init(bus_space_tag_t, void *);
    204 void	rmixl_flash_el_bus_mem_init(bus_space_tag_t, void *);
    205 void	rmixl_iobus_bus_mem_init(bus_space_tag_t, void *);
    206 void	rmixl_obio_eb_bus_mem_init(bus_space_tag_t, void *);
    207 void	rmixl_obio_el_bus_mem_init(bus_space_tag_t, void *);
    208 void	rmixl_pci_cfg_el_bus_mem_init(bus_space_tag_t, void *);
    209 void	rmixl_pci_cfg_eb_bus_mem_init(bus_space_tag_t, void *);
    210 void	rmixl_pci_ecfg_el_bus_mem_init(bus_space_tag_t, void *);
    211 void	rmixl_pci_ecfg_eb_bus_mem_init(bus_space_tag_t, void *);
    212 void	rmixl_pci_eb_bus_mem_init(bus_space_tag_t, void *);
    213 void	rmixl_pci_el_bus_mem_init(bus_space_tag_t, void *);
    214 void	rmixl_pci_bus_io_init(bus_space_tag_t, void *);
    215 
    216 void	rmixlp_pcie_pc_init(void);
    217 
    218 void	rmixl_addr_error_init(void);
    219 int	rmixl_addr_error_check(void);
    220 
    221 uint64_t rmixl_mfcr(u_int);
    222 void	rmixl_mtcr(uint64_t, u_int);
    223 
    224 void	rmixl_eirr_ack(uint64_t, uint64_t, uint64_t);
    225 
    226 void	rmixl_fmn_init(void);
    227 
    228 void	rmixl_init_early_cons(struct rmixl_config *, bool);
    229 void	rmixl_mach_xlp_init(struct rmixl_config *);
    230 void	rmixl_mach_xlsxlr_init(struct rmixl_config *);
    231 void	rmixl_mach_freq_init(struct rmixl_config *, bool, bool);
    232 void	rmixl_mach_init_parse_args(int, char **);
    233 void	rmixl_mach_init_common(struct rmixl_config *, vaddr_t, uint64_t,
    234 	    bool, bool);
    235 uint64_t rmixl_physaddr_init(void);
    236 uint64_t rmixlfw_init(int64_t);
    237 
    238 /*
    239  * rmixl_cache_err_dis:
    240  * - disable Cache, Data ECC, Snoop Tag Parity, Tag Parity errors
    241  * - clear the cache error log
    242  * - return previous value from RMIXL_PCR_L1D_CONFIG0
    243  */
    244 static inline uint64_t
    245 rmixl_cache_err_dis(void)
    246 {
    247 	uint64_t r;
    248 
    249 	r = rmixl_mfcr(RMIXL_PCR_L1D_CONFIG0);
    250 	rmixl_mtcr(RMIXL_PCR_L1D_CONFIG0, r & ~0x2e);
    251 	rmixl_mtcr(RMIXL_PCR_L1D_CACHE_ERROR_LOG, 0);
    252 	return r;
    253 }
    254 
    255 /*
    256  * rmixl_cache_err_restore:
    257  * - clear the cache error log, cache error overflow log,
    258  *   and cache interrupt registers
    259  * - restore previous value to RMIXL_PCR_L1D_CONFIG0
    260  */
    261 static inline void
    262 rmixl_cache_err_restore(uint64_t r)
    263 {
    264 	rmixl_mtcr(RMIXL_PCR_L1D_CACHE_ERROR_LOG, 0);
    265 	rmixl_mtcr(RMIXL_PCR_L1D_CACHE_ERROR_OVF_LO, 0);
    266 	rmixl_mtcr(RMIXL_PCR_L1D_CACHE_INTERRUPT, 0);
    267 	rmixl_mtcr(RMIXL_PCR_L1D_CONFIG0, r);
    268 }
    269 
    270 static inline uint64_t
    271 rmixl_cache_err_check(void)
    272 {
    273 	return rmixl_mfcr(RMIXL_PCR_L1D_CACHE_ERROR_LOG);
    274 }
    275 
    276 static inline int
    277 rmixl_probe_4(volatile uint32_t *va)
    278 {
    279 	uint32_t tmp;
    280 	uint32_t r;
    281 	int err;
    282 	int s;
    283 
    284 	s = splhigh();
    285 	r = rmixl_cache_err_dis();
    286 	tmp = *va;			/* probe */
    287 	err = rmixl_cache_err_check();
    288 	rmixl_cache_err_restore(r);
    289 	splx(s);
    290 
    291 	return (err == 0);
    292 }
    293 
    294 static inline uint32_t
    295 rmixlp_read_4(uint32_t tag, bus_size_t offset)
    296 {
    297 #if 0
    298 	const struct rmixl_config * const rcp = &rmixl_configuration;
    299 
    300 	return bus_space_read_4(rcp->rc_pci_ecfg_memt, rcp->rc_pci_ecfg_memh,
    301 	    offset);
    302 #else
    303 	const paddr_t ecfg_addr = rmixl_configuration.rc_pci_ecfg.r_pbase
    304 	    + tag + offset;
    305 
    306 	return be32toh(*(volatile uint32_t *)MIPS_PHYS_TO_KSEG1(ecfg_addr));
    307 #endif
    308 }
    309 
    310 static inline uint64_t
    311 rmixlp_read_8(uint32_t tag, bus_size_t offset)
    312 {
    313 #if 0
    314 	const struct rmixl_config * const rcp = &rmixl_configuration;
    315 
    316 	return bus_space_read_8(rcp->rc_pci_ecfg_memt, rcp->rc_pci_ecfg_memh,
    317 	    offset);
    318 #else
    319 	const paddr_t ecfg_addr = rmixl_configuration.rc_pci_ecfg.r_pbase
    320 	    + tag + offset;
    321 
    322 	return be64toh(*(volatile uint64_t *)MIPS_PHYS_TO_KSEG1(ecfg_addr));
    323 #endif
    324 }
    325 
    326 static inline void
    327 rmixlp_write_4(uint32_t tag, bus_size_t offset, uint32_t v)
    328 {
    329 	const paddr_t ecfg_addr = rmixl_configuration.rc_pci_ecfg.r_pbase
    330 	    + tag + offset;
    331 
    332 	*(volatile uint32_t *)MIPS_PHYS_TO_KSEG1(ecfg_addr) = htobe32(v);
    333 	__asm __volatile("sync");
    334 }
    335 
    336 static inline void
    337 rmixlp_write_8(uint32_t tag, bus_size_t offset, uint64_t v)
    338 {
    339 	const paddr_t ecfg_addr = rmixl_configuration.rc_pci_ecfg.r_pbase
    340 	    + tag + offset;
    341 
    342 	*(volatile uint64_t *)MIPS_PHYS_TO_KSEG1(ecfg_addr) = htobe64(v);
    343 	__asm __volatile("sync");
    344 }
    345 
    346 static inline void
    347 rmixl_physaddr_add(struct extent *ext, const char *name,
    348     struct rmixl_region *rp, bus_addr_t xpbase, bus_size_t xsize)
    349 {
    350 	rp->r_pbase = xpbase;
    351 	rp->r_size = xsize;
    352 	u_long base = xpbase >> 20;
    353 	u_long size = xsize >> 20;
    354 	if (extent_alloc_region(ext, base, size, EX_NOWAIT) != 0) {
    355 		panic("%s: %s: extent_alloc_region(%p, %#lx, %#lx, %#x) "
    356 		    "failed", __func__, name, ext, base, size, EX_NOWAIT);
    357 	}
    358 }
    359 
    360 #endif	/* _MIPS_RMI_RMIXLVAR_H_ */
    361