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      1 /*	$NetBSD: bcm53xx_var.h,v 1.7 2021/09/19 10:34:08 andvar Exp $	*/
      2 /*-
      3  * Copyright (c) 2012 The NetBSD Foundation, Inc.
      4  * All rights reserved.
      5  *
      6  * This code is derived from software contributed to The NetBSD Foundation
      7  * by Matt Thomas of 3am Software Foundry.
      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  *
     18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     28  * POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef _ARM_BROADCOM_BCM53XX_VAR_H_
     32 #define _ARM_BROADCOM_BCM53XX_VAR_H_
     33 
     34 #include <sys/bus.h>
     35 #include <sys/cpu.h>
     36 
     37 struct bcm_locators {
     38 	const char *loc_name;
     39 	bus_size_t loc_offset;
     40 	bus_size_t loc_size;
     41 	int loc_port;
     42 	uint8_t loc_nintrs;
     43 	u_int loc_intrs[8];
     44 	int loc_mdio;
     45 	int loc_phy;
     46 };
     47 
     48 struct bcmccb_attach_args {
     49 	bus_space_tag_t ccbaa_ccb_bst;
     50 	bus_space_handle_t ccbaa_ccb_bsh;
     51 	bus_dma_tag_t ccbaa_dmat;
     52 
     53 	struct bcm_locators ccbaa_loc;
     54 };
     55 
     56 struct bcm53xx_clock_info {
     57 	uint32_t clk_ref;	// 25MHZ
     58 	uint32_t clk_sys;	// 200MHZ
     59 	uint32_t clk_ddr;
     60 	uint32_t clk_ddr_mhz;
     61 	uint32_t clk_cpu;
     62 	uint32_t clk_apb;
     63 	uint32_t clk_lcpll;	// LCPLL out
     64 	uint32_t clk_pcie_ref;	// LCPLL CH0
     65 	uint32_t clk_sdio;	// LCPLL CH1
     66 	uint32_t clk_ddr_ref;	// LCPLL CH2
     67 	uint32_t clk_axi;	// LCPLL CH3
     68 	uint32_t clk_genpll;	// GENPLL out
     69 	uint32_t clk_mac;	// GENPLL CH0
     70 	uint32_t clk_robo;	// GENPLL CH1
     71 	uint32_t clk_usb2;	// GENPLL CH2
     72 	uint32_t clk_iproc;	// GENPLL CH3
     73 	uint32_t clk_usb_ref;	// 1920MHz USB Reference Clock
     74 };
     75 
     76 /*
     77  * Used by BCMETH (gmac)
     78  */
     79 struct bcmmdio_softc {
     80 	device_t sc_dev;
     81 	bus_space_tag_t sc_bst;
     82 	bus_space_handle_t sc_bsh;
     83 	kmutex_t *sc_lock;
     84 };
     85 
     86 int	bcmmdio_mii_readreg(device_t, int, int);
     87 void	bcmmdio_mii_writereg(device_t, int, int, int);
     88 
     89 
     90 struct cpu_softc {
     91 	struct cpu_info *cpu_ci;
     92 	bus_space_tag_t cpu_ioreg_bst;
     93 	bus_space_tag_t cpu_armcore_bst;
     94 	bus_space_handle_t cpu_ioreg_bsh;
     95 	bus_space_handle_t cpu_armcore_bsh;
     96 
     97 	struct bcm53xx_clock_info cpu_clk;
     98 	uint32_t cpu_chipid;
     99 };
    100 
    101 
    102 #ifdef _KERNEL
    103 void	bcm53xx_bootstrap(vaddr_t);
    104 void	bcm53xx_cpu_hatch(struct cpu_info *);
    105 void	bcm53xx_cpu_softc_init(struct cpu_info *);
    106 bool	bcm53xx_idm_device_init(const struct bcm_locators *, bus_space_tag_t,
    107 	    bus_space_handle_t);
    108 void	bcm53xx_device_register(device_t, void *);
    109 psize_t	bcm53xx_memprobe(void);
    110 void	bcm53xx_dma_bootstrap(psize_t);
    111 void	bcm53xx_print_clocks(void);
    112 void	bcm53xx_rng_start(bus_space_tag_t, bus_space_handle_t);
    113 void	bcm53xx_srab_init(void);
    114 uint32_t	bcm53xx_srab_read_4(u_int);
    115 uint64_t	bcm53xx_srab_read_8(u_int);
    116 void	bcm53xx_srab_write_4(u_int, uint32_t);
    117 void	bcm53xx_srab_write_8(u_int, uint64_t);
    118 extern struct arm32_bus_dma_tag bcm53xx_dma_tag, bcm53xx_coherent_dma_tag;
    119 #ifdef _ARM32_NEED_BUS_DMA_BOUNCE
    120 extern struct arm32_bus_dma_tag bcm53xx_bounce_dma_tag;
    121 #endif
    122 extern struct bus_space bcmgen_bs_tag;
    123 extern bus_space_tag_t bcm53xx_ioreg_bst;
    124 extern bus_space_handle_t bcm53xx_ioreg_bsh;
    125 extern bus_space_tag_t bcm53xx_armcore_bst;
    126 extern bus_space_handle_t bcm53xx_armcore_bsh;
    127 #endif
    128 
    129 #endif /* _ARM_BROADCOM_BCM53XX_VAR_H_ */
    130