// SPDX-License-Identifier: GPL-2.0 /* * Renesas RPC-IF core driver * * Copyright (C) 2018-2019 Renesas Solutions Corp. * Copyright (C) 2019 Macronix International Co., Ltd. * Copyright (C) 2019-2020 Cogent Embedded, Inc. */ #include <linux/bitops.h> #include <linux/clk.h> #include <linux/io.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/of.h> #include <linux/regmap.h> #include <linux/reset.h> #include <memory/renesas-rpc-if.h> #define RPCIF_CMNCR … #define RPCIF_CMNCR_MD … #define RPCIF_CMNCR_MOIIO3(val) … #define RPCIF_CMNCR_MOIIO2(val) … #define RPCIF_CMNCR_MOIIO1(val) … #define RPCIF_CMNCR_MOIIO0(val) … #define RPCIF_CMNCR_MOIIO(val) … #define RPCIF_CMNCR_IO3FV(val) … #define RPCIF_CMNCR_IO2FV(val) … #define RPCIF_CMNCR_IO0FV(val) … #define RPCIF_CMNCR_IOFV(val) … #define RPCIF_CMNCR_BSZ(val) … #define RPCIF_SSLDR … #define RPCIF_SSLDR_SPNDL(d) … #define RPCIF_SSLDR_SLNDL(d) … #define RPCIF_SSLDR_SCKDL(d) … #define RPCIF_DRCR … #define RPCIF_DRCR_SSLN … #define RPCIF_DRCR_RBURST(v) … #define RPCIF_DRCR_RCF … #define RPCIF_DRCR_RBE … #define RPCIF_DRCR_SSLE … #define RPCIF_DRCMR … #define RPCIF_DRCMR_CMD(c) … #define RPCIF_DRCMR_OCMD(c) … #define RPCIF_DREAR … #define RPCIF_DREAR_EAV(c) … #define RPCIF_DREAR_EAC(c) … #define RPCIF_DROPR … #define RPCIF_DRENR … #define RPCIF_DRENR_CDB(o) … #define RPCIF_DRENR_OCDB(o) … #define RPCIF_DRENR_ADB(o) … #define RPCIF_DRENR_OPDB(o) … #define RPCIF_DRENR_DRDB(o) … #define RPCIF_DRENR_DME … #define RPCIF_DRENR_CDE … #define RPCIF_DRENR_OCDE … #define RPCIF_DRENR_ADE(v) … #define RPCIF_DRENR_OPDE(v) … #define RPCIF_SMCR … #define RPCIF_SMCR_SSLKP … #define RPCIF_SMCR_SPIRE … #define RPCIF_SMCR_SPIWE … #define RPCIF_SMCR_SPIE … #define RPCIF_SMCMR … #define RPCIF_SMCMR_CMD(c) … #define RPCIF_SMCMR_OCMD(c) … #define RPCIF_SMADR … #define RPCIF_SMOPR … #define RPCIF_SMOPR_OPD3(o) … #define RPCIF_SMOPR_OPD2(o) … #define RPCIF_SMOPR_OPD1(o) … #define RPCIF_SMOPR_OPD0(o) … #define RPCIF_SMENR … #define RPCIF_SMENR_CDB(o) … #define RPCIF_SMENR_OCDB(o) … #define RPCIF_SMENR_ADB(o) … #define RPCIF_SMENR_OPDB(o) … #define RPCIF_SMENR_SPIDB(o) … #define RPCIF_SMENR_DME … #define RPCIF_SMENR_CDE … #define RPCIF_SMENR_OCDE … #define RPCIF_SMENR_ADE(v) … #define RPCIF_SMENR_OPDE(v) … #define RPCIF_SMENR_SPIDE(v) … #define RPCIF_SMRDR0 … #define RPCIF_SMRDR1 … #define RPCIF_SMWDR0 … #define RPCIF_SMWDR1 … #define RPCIF_CMNSR … #define RPCIF_CMNSR_SSLF … #define RPCIF_CMNSR_TEND … #define RPCIF_DRDMCR … #define RPCIF_DMDMCR_DMCYC(v) … #define RPCIF_DRDRENR … #define RPCIF_DRDRENR_HYPE(v) … #define RPCIF_DRDRENR_ADDRE … #define RPCIF_DRDRENR_OPDRE … #define RPCIF_DRDRENR_DRDRE … #define RPCIF_SMDMCR … #define RPCIF_SMDMCR_DMCYC(v) … #define RPCIF_SMDRENR … #define RPCIF_SMDRENR_HYPE(v) … #define RPCIF_SMDRENR_ADDRE … #define RPCIF_SMDRENR_OPDRE … #define RPCIF_SMDRENR_SPIDRE … #define RPCIF_PHYADD … #define RPCIF_PHYWR … #define RPCIF_PHYCNT … #define RPCIF_PHYCNT_CAL … #define RPCIF_PHYCNT_OCTA(v) … #define RPCIF_PHYCNT_EXDS … #define RPCIF_PHYCNT_OCT … #define RPCIF_PHYCNT_DDRCAL … #define RPCIF_PHYCNT_HS … #define RPCIF_PHYCNT_CKSEL(v) … #define RPCIF_PHYCNT_STRTIM(v) … #define RPCIF_PHYCNT_WBUF2 … #define RPCIF_PHYCNT_WBUF … #define RPCIF_PHYCNT_PHYMEM(v) … #define RPCIF_PHYCNT_PHYMEM_MASK … #define RPCIF_PHYOFFSET1 … #define RPCIF_PHYOFFSET1_DDRTMG(v) … #define RPCIF_PHYOFFSET2 … #define RPCIF_PHYOFFSET2_OCTTMG(v) … #define RPCIF_PHYINT … #define RPCIF_PHYINT_WPVAL … static const struct regmap_range rpcif_volatile_ranges[] = …; static const struct regmap_access_table rpcif_volatile_table = …; struct rpcif_info { … }; struct rpcif_priv { … }; static const struct rpcif_info rpcif_info_r8a7796 = …; static const struct rpcif_info rpcif_info_gen3 = …; static const struct rpcif_info rpcif_info_rz_g2l = …; static const struct rpcif_info rpcif_info_gen4 = …; /* * Custom accessor functions to ensure SM[RW]DR[01] are always accessed with * proper width. Requires rpcif_priv.xfer_size to be correctly set before! */ static int rpcif_reg_read(void *context, unsigned int reg, unsigned int *val) { … } static int rpcif_reg_write(void *context, unsigned int reg, unsigned int val) { … } static const struct regmap_config rpcif_regmap_config = …; int rpcif_sw_init(struct rpcif *rpcif, struct device *dev) { … } EXPORT_SYMBOL(…); static void rpcif_rzg2l_timing_adjust_sdr(struct rpcif_priv *rpc) { … } int rpcif_hw_init(struct device *dev, bool hyperflash) { … } EXPORT_SYMBOL(…); static int wait_msg_xfer_end(struct rpcif_priv *rpc) { … } static u8 rpcif_bits_set(struct rpcif_priv *rpc, u32 nbytes) { … } static u8 rpcif_bit_size(u8 buswidth) { … } void rpcif_prepare(struct device *dev, const struct rpcif_op *op, u64 *offs, size_t *len) { … } EXPORT_SYMBOL(…); int rpcif_manual_xfer(struct device *dev) { … } EXPORT_SYMBOL(…); static void memcpy_fromio_readw(void *to, const void __iomem *from, size_t count) { … } ssize_t rpcif_dirmap_read(struct device *dev, u64 offs, size_t len, void *buf) { … } EXPORT_SYMBOL(…); static int rpcif_probe(struct platform_device *pdev) { … } static void rpcif_remove(struct platform_device *pdev) { … } static const struct of_device_id rpcif_of_match[] = …; MODULE_DEVICE_TABLE(of, rpcif_of_match); static struct platform_driver rpcif_driver = …; module_platform_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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