diff options
author | Tom Rini <trini@konsulko.com> | 2020-08-13 08:11:27 -0400 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2020-08-13 08:11:27 -0400 |
commit | 6808dc62d75de706c5aabc24e36caf52ead30fc7 (patch) | |
tree | a4bc8b1852fc82f0b2703085f9c9199c07bef9cd | |
parent | dbfca734d0e2b36a966be066cb2dc15e0fc71c85 (diff) | |
parent | d0a3c4f9dbf0d661d3b91f46f0fa4db2dc33bb78 (diff) |
Merge tag 'u-boot-stm32-20200813' of https://gitlab.denx.de/u-boot/custodians/u-boot-stm
- Use IS_ENABLED to prevent ifdef in board_key_check for STM32MP
- Add STM32 FMC2 EBI controller driver
- Fix dwc3-sti-glue which allows STiH410-B2260 to boot again
- Add fitImage its entry for 587-200 DHCOR SoM
- Add both PDK2 and DRC02 DT into DHCOM fitImage its
- Fix DHCOM KS8851 ethernet MAC address
- Remove stm32mp1 board.c file
- Use const for struct node_info in board stm32mp1.c file
-rw-r--r-- | arch/arm/dts/stm32mp151.dtsi | 43 | ||||
-rw-r--r-- | arch/arm/dts/stm32mp157c-ev1.dts | 16 | ||||
-rw-r--r-- | arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi | 1 | ||||
-rw-r--r-- | arch/arm/mach-stm32mp/bsec.c | 86 | ||||
-rw-r--r-- | arch/arm/mach-stm32mp/cmd_stm32prog/cmd_stm32prog.c | 5 | ||||
-rw-r--r-- | arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c | 100 | ||||
-rw-r--r-- | board/dhelectronics/dh_stm32mp1/board.c | 33 | ||||
-rw-r--r-- | board/dhelectronics/dh_stm32mp1/u-boot-dhcom.its | 32 | ||||
-rw-r--r-- | board/dhelectronics/dh_stm32mp1/u-boot-dhcor.its | 3 | ||||
-rw-r--r-- | board/st/common/stm32mp_dfu.c | 20 | ||||
-rw-r--r-- | board/st/stm32mp1/board.c | 36 | ||||
-rw-r--r-- | board/st/stm32mp1/stm32mp1.c | 201 | ||||
-rw-r--r-- | configs/stm32mp15_basic_defconfig | 1 | ||||
-rw-r--r-- | configs/stm32mp15_dhcom_basic_defconfig | 1 | ||||
-rw-r--r-- | configs/stm32mp15_trusted_defconfig | 1 | ||||
-rw-r--r-- | drivers/memory/Kconfig | 9 | ||||
-rw-r--r-- | drivers/memory/Makefile | 1 | ||||
-rw-r--r-- | drivers/memory/stm32-fmc2-ebi.c | 1056 | ||||
-rw-r--r-- | drivers/mtd/nand/raw/stm32_fmc2_nand.c | 499 | ||||
-rw-r--r-- | drivers/usb/host/dwc3-sti-glue.c | 2 |
20 files changed, 1627 insertions, 519 deletions
diff --git a/arch/arm/dts/stm32mp151.dtsi b/arch/arm/dts/stm32mp151.dtsi index 0d97f56fca..39d9e545ed 100644 --- a/arch/arm/dts/stm32mp151.dtsi +++ b/arch/arm/dts/stm32mp151.dtsi @@ -1328,23 +1328,38 @@ dma-requests = <48>; }; - fmc: nand-controller@58002000 { - compatible = "st,stm32mp15-fmc2"; - reg = <0x58002000 0x1000>, - <0x80000000 0x1000>, - <0x88010000 0x1000>, - <0x88020000 0x1000>, - <0x81000000 0x1000>, - <0x89010000 0x1000>, - <0x89020000 0x1000>; - interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>; - dmas = <&mdma1 20 0x10 0x12000a02 0x0 0x0>, - <&mdma1 20 0x10 0x12000a08 0x0 0x0>, - <&mdma1 21 0x10 0x12000a0a 0x0 0x0>; - dma-names = "tx", "rx", "ecc"; + fmc: memory-controller@58002000 { + #address-cells = <2>; + #size-cells = <1>; + compatible = "st,stm32mp1-fmc2-ebi"; + reg = <0x58002000 0x1000>; clocks = <&rcc FMC_K>; resets = <&rcc FMC_R>; status = "disabled"; + + ranges = <0 0 0x60000000 0x04000000>, /* EBI CS 1 */ + <1 0 0x64000000 0x04000000>, /* EBI CS 2 */ + <2 0 0x68000000 0x04000000>, /* EBI CS 3 */ + <3 0 0x6c000000 0x04000000>, /* EBI CS 4 */ + <4 0 0x80000000 0x10000000>; /* NAND */ + + nand-controller@4,0 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "st,stm32mp1-fmc2-nfc"; + reg = <4 0x00000000 0x1000>, + <4 0x08010000 0x1000>, + <4 0x08020000 0x1000>, + <4 0x01000000 0x1000>, + <4 0x09010000 0x1000>, + <4 0x09020000 0x1000>; + interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>; + dmas = <&mdma1 20 0x2 0x12000a02 0x0 0x0>, + <&mdma1 20 0x2 0x12000a08 0x0 0x0>, + <&mdma1 21 0x2 0x12000a0a 0x0 0x0>; + dma-names = "tx", "rx", "ecc"; + status = "disabled"; + }; }; qspi: spi@58003000 { diff --git a/arch/arm/dts/stm32mp157c-ev1.dts b/arch/arm/dts/stm32mp157c-ev1.dts index b19056557e..46f81ce92e 100644 --- a/arch/arm/dts/stm32mp157c-ev1.dts +++ b/arch/arm/dts/stm32mp157c-ev1.dts @@ -157,14 +157,16 @@ pinctrl-0 = <&fmc_pins_a>; pinctrl-1 = <&fmc_sleep_pins_a>; status = "okay"; - #address-cells = <1>; - #size-cells = <0>; - nand@0 { - reg = <0>; - nand-on-flash-bbt; - #address-cells = <1>; - #size-cells = <1>; + nand-controller@4,0 { + status = "okay"; + + nand@0 { + reg = <0>; + nand-on-flash-bbt; + #address-cells = <1>; + #size-cells = <1>; + }; }; }; diff --git a/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi b/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi index f96de9e7a3..92345b7ba3 100644 --- a/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi +++ b/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi @@ -18,6 +18,7 @@ mmc1 = &sdmmc2; spi0 = &qspi; usb0 = &usbotg_hs; + ethernet1 = &ksz8851; }; config { diff --git a/arch/arm/mach-stm32mp/bsec.c b/arch/arm/mach-stm32mp/bsec.c index 0c56b440f5..a9b9bd0902 100644 --- a/arch/arm/mach-stm32mp/bsec.c +++ b/arch/arm/mach-stm32mp/bsec.c @@ -74,7 +74,6 @@ static bool bsec_read_lock(u32 address, u32 otp) return !!(readl(address + bank) & bit); } -#ifndef CONFIG_TFABOOT /** * bsec_check_error() - Check status of one otp * @base: base address of bsec IP @@ -279,7 +278,6 @@ static int bsec_program_otp(long base, u32 val, u32 otp) return ret; } -#endif /* CONFIG_TFABOOT */ /* BSEC MISC driver *******************************************************/ struct stm32mp_bsec_platdata { @@ -288,15 +286,17 @@ struct stm32mp_bsec_platdata { static int stm32mp_bsec_read_otp(struct udevice *dev, u32 *val, u32 otp) { -#ifdef CONFIG_TFABOOT - return stm32_smc(STM32_SMC_BSEC, - STM32_SMC_READ_OTP, - otp, 0, val); -#else - struct stm32mp_bsec_platdata *plat = dev_get_platdata(dev); + struct stm32mp_bsec_platdata *plat; u32 tmp_data = 0; int ret; + if (IS_ENABLED(CONFIG_TFABOOT)) + return stm32_smc(STM32_SMC_BSEC, + STM32_SMC_READ_OTP, + otp, 0, val); + + plat = dev_get_platdata(dev); + /* read current shadow value */ ret = bsec_read_shadow(plat->base, &tmp_data, otp); if (ret) @@ -313,21 +313,22 @@ static int stm32mp_bsec_read_otp(struct udevice *dev, u32 *val, u32 otp) /* restore shadow value */ ret = bsec_write_shadow(plat->base, tmp_data, otp); + return ret; -#endif } static int stm32mp_bsec_read_shadow(struct udevice *dev, u32 *val, u32 otp) { -#ifdef CONFIG_TFABOOT - return stm32_smc(STM32_SMC_BSEC, - STM32_SMC_READ_SHADOW, - otp, 0, val); -#else - struct stm32mp_bsec_platdata *plat = dev_get_platdata(dev); + struct stm32mp_bsec_platdata *plat; + + if (IS_ENABLED(CONFIG_TFABOOT)) + return stm32_smc(STM32_SMC_BSEC, + STM32_SMC_READ_SHADOW, + otp, 0, val); + + plat = dev_get_platdata(dev); return bsec_read_shadow(plat->base, val, otp); -#endif } static int stm32mp_bsec_read_lock(struct udevice *dev, u32 *val, u32 otp) @@ -342,33 +343,38 @@ static int stm32mp_bsec_read_lock(struct udevice *dev, u32 *val, u32 otp) static int stm32mp_bsec_write_otp(struct udevice *dev, u32 val, u32 otp) { -#ifdef CONFIG_TFABOOT - return stm32_smc_exec(STM32_SMC_BSEC, - STM32_SMC_PROG_OTP, - otp, val); -#else - struct stm32mp_bsec_platdata *plat = dev_get_platdata(dev); + struct stm32mp_bsec_platdata *plat; + + if (IS_ENABLED(CONFIG_TFABOOT)) + return stm32_smc_exec(STM32_SMC_BSEC, + STM32_SMC_PROG_OTP, + otp, val); + + plat = dev_get_platdata(dev); return bsec_program_otp(plat->base, val, otp); -#endif + } static int stm32mp_bsec_write_shadow(struct udevice *dev, u32 val, u32 otp) { -#ifdef CONFIG_TFABOOT - return stm32_smc_exec(STM32_SMC_BSEC, - STM32_SMC_WRITE_SHADOW, - otp, val); -#else - struct stm32mp_bsec_platdata *plat = dev_get_platdata(dev); + struct stm32mp_bsec_platdata *plat; + + if (IS_ENABLED(CONFIG_TFABOOT)) + return stm32_smc_exec(STM32_SMC_BSEC, + STM32_SMC_WRITE_SHADOW, + otp, val); + + plat = dev_get_platdata(dev); return bsec_write_shadow(plat->base, val, otp); -#endif } static int stm32mp_bsec_write_lock(struct udevice *dev, u32 val, u32 otp) { -#ifdef CONFIG_TFABOOT + if (!IS_ENABLED(CONFIG_TFABOOT)) + return -ENOTSUPP; + if (val == 1) return stm32_smc_exec(STM32_SMC_BSEC, STM32_SMC_WRLOCK_OTP, @@ -377,9 +383,6 @@ static int stm32mp_bsec_write_lock(struct udevice *dev, u32 val, u32 otp) return 0; /* nothing to do */ return -EINVAL; -#else - return -ENOTSUPP; -#endif } static int stm32mp_bsec_read(struct udevice *dev, int offset, @@ -481,18 +484,21 @@ static int stm32mp_bsec_ofdata_to_platdata(struct udevice *dev) static int stm32mp_bsec_probe(struct udevice *dev) { -#if !defined(CONFIG_TFABOOT) && !defined(CONFIG_SPL_BUILD) int otp; - struct stm32mp_bsec_platdata *plat = dev_get_platdata(dev); + struct stm32mp_bsec_platdata *plat; /* * update unlocked shadow for OTP cleared by the rom code * only executed in U-Boot proper when TF-A is not used */ - for (otp = 57; otp <= BSEC_OTP_MAX_VALUE; otp++) - if (!bsec_read_SR_lock(plat->base, otp)) - bsec_shadow_register(plat->base, otp); -#endif + + if (!IS_ENABLED(CONFIG_TFABOOT) && !IS_ENABLED(CONFIG_SPL_BUILD)) { + plat = dev_get_platdata(dev); + + for (otp = 57; otp <= BSEC_OTP_MAX_VALUE; otp++) + if (!bsec_read_SR_lock(plat->base, otp)) + bsec_shadow_register(plat->base, otp); + } return 0; } diff --git a/arch/arm/mach-stm32mp/cmd_stm32prog/cmd_stm32prog.c b/arch/arm/mach-stm32mp/cmd_stm32prog/cmd_stm32prog.c index cbf0120adc..49dd25b28f 100644 --- a/arch/arm/mach-stm32mp/cmd_stm32prog/cmd_stm32prog.c +++ b/arch/arm/mach-stm32mp/cmd_stm32prog/cmd_stm32prog.c @@ -14,7 +14,6 @@ struct stm32prog_data *stm32prog_data; static void enable_vidconsole(void) { -#ifdef CONFIG_DM_VIDEO char *stdname; char buf[64]; @@ -35,7 +34,6 @@ static void enable_vidconsole(void) snprintf(buf, sizeof(buf), "%s,vidconsole", stdname); env_set("stderr", buf); } -#endif } static int do_stm32prog(struct cmd_tbl *cmdtp, int flag, int argc, @@ -86,7 +84,8 @@ static int do_stm32prog(struct cmd_tbl *cmdtp, int flag, int argc, "script@1"); } - enable_vidconsole(); + if (IS_ENABLED(CONFIG_DM_VIDEO)) + enable_vidconsole(); data = (struct stm32prog_data *)malloc(sizeof(*data)); diff --git a/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c b/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c index e4199dbaa5..ec3355d816 100644 --- a/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c +++ b/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c @@ -544,10 +544,8 @@ static int init_device(struct stm32prog_data *data, { struct mmc *mmc = NULL; struct blk_desc *block_dev = NULL; -#ifdef CONFIG_MTD struct mtd_info *mtd = NULL; char mtd_id[16]; -#endif int part_id; int ret; u64 first_addr = 0, last_addr = 0; @@ -557,8 +555,11 @@ static int init_device(struct stm32prog_data *data, const char *part_name; switch (dev->target) { -#ifdef CONFIG_MMC case STM32PROG_MMC: + if (!IS_ENABLED(CONFIG_MMC)) { + stm32prog_err("unknown device type = %d", dev->target); + return -ENODEV; + } mmc = find_mmc_device(dev->dev_id); if (!mmc || mmc_init(mmc)) { stm32prog_err("mmc device %d not found", dev->dev_id); @@ -589,11 +590,13 @@ static int init_device(struct stm32prog_data *data, first_addr, last_addr); pr_debug(" full_update = %d\n", dev->full_update); break; -#endif -#ifdef CONFIG_MTD case STM32PROG_NOR: case STM32PROG_NAND: case STM32PROG_SPI_NAND: + if (!IS_ENABLED(CONFIG_MTD)) { + stm32prog_err("unknown device type = %d", dev->target); + return -ENODEV; + } get_mtd_by_target(mtd_id, dev->target, dev->dev_id); pr_debug("%s\n", mtd_id); @@ -612,7 +615,6 @@ static int init_device(struct stm32prog_data *data, first_addr, last_addr); dev->mtd = mtd; break; -#endif case STM32PROG_RAM: first_addr = gd->bd->bi_dram[0].start; last_addr = first_addr + gd->bd->bi_dram[0].size; @@ -744,8 +746,7 @@ static int init_device(struct stm32prog_data *data, part_found = true; } -#ifdef CONFIG_MTD - if (mtd) { + if (IS_ENABLED(CONFIG_MTD) && mtd) { char mtd_part_id[32]; struct part_info *mtd_part; struct mtd_device *mtd_dev; @@ -766,7 +767,7 @@ static int init_device(struct stm32prog_data *data, part_name = mtd_part->name; part_found = true; } -#endif + if (!part_found) { stm32prog_err("%s (0x%x): Invalid partition", part->name, part->id); @@ -873,9 +874,8 @@ static int treat_partition_list(struct stm32prog_data *data) return 0; } -static int create_partitions(struct stm32prog_data *data) +static int create_gpt_partitions(struct stm32prog_data *data) { -#ifdef CONFIG_MMC int offset = 0; const int buflen = SZ_8K; char *buf; @@ -991,7 +991,6 @@ static int create_partitions(struct stm32prog_data *data) run_command("mtd list", 0); #endif free(buf); -#endif return 0; } @@ -1070,28 +1069,35 @@ static int stm32prog_alt_add(struct stm32prog_data *data, offset += snprintf(buf + offset, ALT_BUF_LEN - offset, " %d;", part->part_id); } + ret = -ENODEV; switch (part->target) { -#ifdef CONFIG_MMC case STM32PROG_MMC: - sprintf(dfustr, "mmc"); - sprintf(devstr, "%d", part->dev_id); + if (IS_ENABLED(CONFIG_MMC)) { + ret = 0; + sprintf(dfustr, "mmc"); + sprintf(devstr, "%d", part->dev_id); + } break; -#endif -#ifdef CONFIG_MTD case STM32PROG_NAND: case STM32PROG_NOR: case STM32PROG_SPI_NAND: - sprintf(dfustr, "mtd"); - get_mtd_by_target(devstr, part->target, part->dev_id); + if (IS_ENABLED(CONFIG_MTD)) { + ret = 0; + sprintf(dfustr, "mtd"); + get_mtd_by_target(devstr, part->target, part->dev_id); + } break; -#endif case STM32PROG_RAM: + ret = 0; sprintf(dfustr, "ram"); sprintf(devstr, "0"); break; default: + break; + } + if (ret) { stm32prog_err("invalid target: %d", part->target); - return -ENODEV; + return ret; } pr_debug("dfu_alt_add(%s,%s,%s)\n", dfustr, devstr, buf); ret = dfu_alt_add(dfu, dfustr, devstr, buf); @@ -1213,13 +1219,14 @@ int stm32prog_otp_write(struct stm32prog_data *data, u32 offset, u8 *buffer, int stm32prog_otp_read(struct stm32prog_data *data, u32 offset, u8 *buffer, long *size) { -#ifndef CONFIG_ARM_SMCCC - stm32prog_err("OTP update not supported"); - - return -1; -#else int result = 0; + if (!IS_ENABLED(CONFIG_ARM_SMCCC)) { + stm32prog_err("OTP update not supported"); + + return -1; + } + pr_debug("%s: %x %lx\n", __func__, offset, *size); /* alway read for first packet */ if (!offset) { @@ -1255,19 +1262,19 @@ end_otp_read: pr_debug("%s: result %i\n", __func__, result); return result; -#endif } int stm32prog_otp_start(struct stm32prog_data *data) { -#ifndef CONFIG_ARM_SMCCC - stm32prog_err("OTP update not supported"); - - return -1; -#else int result = 0; struct arm_smccc_res res; + if (!IS_ENABLED(CONFIG_ARM_SMCCC)) { + stm32prog_err("OTP update not supported"); + + return -1; + } + if (!data->otp_part) { stm32prog_err("start OTP without data"); return -1; @@ -1302,7 +1309,6 @@ int stm32prog_otp_start(struct stm32prog_data *data) pr_debug("%s: result %i\n", __func__, result); return result; -#endif } int stm32prog_pmic_write(struct stm32prog_data *data, u32 offset, u8 *buffer, @@ -1538,19 +1544,20 @@ static int part_delete(struct stm32prog_data *data, struct stm32prog_part_t *part) { int ret = 0; -#ifdef CONFIG_MMC unsigned long blks, blks_offset, blks_size; struct blk_desc *block_dev = NULL; - #endif -#ifdef CONFIG_MTD char cmdbuf[40]; char devstr[10]; -#endif printf("Erasing %s ", part->name); switch (part->target) { -#ifdef CONFIG_MMC case STM32PROG_MMC: + if (!IS_ENABLED(CONFIG_MMC)) { + ret = -1; + stm32prog_err("%s (0x%x): erase invalid", + part->name, part->id); + break; + } printf("on mmc %d: ", part->dev->dev_id); block_dev = mmc_get_blk_desc(part->dev->mmc); blks_offset = lldiv(part->addr, part->dev->mmc->read_bl_len); @@ -1576,11 +1583,15 @@ static int part_delete(struct stm32prog_data *data, part->name, part->id); } break; -#endif -#ifdef CONFIG_MTD case STM32PROG_NOR: case STM32PROG_NAND: case STM32PROG_SPI_NAND: + if (!IS_ENABLED(CONFIG_MTD)) { + ret = -1; + stm32prog_err("%s (0x%x): erase invalid", + part->name, part->id); + break; + } get_mtd_by_target(devstr, part->target, part->dev->dev_id); printf("on %s: ", devstr); sprintf(cmdbuf, "mtd erase %s 0x%llx 0x%llx", @@ -1591,7 +1602,6 @@ static int part_delete(struct stm32prog_data *data, part->name, part->id, cmdbuf); } break; -#endif case STM32PROG_RAM: printf("on ram: "); memset((void *)(uintptr_t)part->addr, 0, (size_t)part->size); @@ -1639,9 +1649,11 @@ static void stm32prog_devices_init(struct stm32prog_data *data) goto error; } - ret = create_partitions(data); - if (ret) - goto error; + if (IS_ENABLED(CONFIG_MMC)) { + ret = create_gpt_partitions(data); + if (ret) + goto error; + } /* delete partition GPT or MTD */ for (i = 0; i < data->part_nb; i++) { diff --git a/board/dhelectronics/dh_stm32mp1/board.c b/board/dhelectronics/dh_stm32mp1/board.c index 17dbf20d76..c9abe3cc6d 100644 --- a/board/dhelectronics/dh_stm32mp1/board.c +++ b/board/dhelectronics/dh_stm32mp1/board.c @@ -84,11 +84,26 @@ DECLARE_GLOBAL_DATA_PTR; int setup_mac_address(void) { unsigned char enetaddr[6]; + bool skip_eth0 = false; + bool skip_eth1 = false; struct udevice *dev; int off, ret; ret = eth_env_get_enetaddr("ethaddr", enetaddr); if (ret) /* ethaddr is already set */ + skip_eth0 = true; + + off = fdt_path_offset(gd->fdt_blob, "ethernet1"); + if (off < 0) { + /* ethernet1 is not present in the system */ + skip_eth1 = true; + } else { + ret = eth_env_get_enetaddr("eth1addr", enetaddr); + if (ret) /* eth1addr is already set */ + skip_eth1 = true; + } + + if (skip_eth0 && skip_eth1) return 0; off = fdt_path_offset(gd->fdt_blob, "eeprom0"); @@ -109,8 +124,14 @@ int setup_mac_address(void) return ret; } - if (is_valid_ethaddr(enetaddr)) - eth_env_set_enetaddr("ethaddr", enetaddr); + if (is_valid_ethaddr(enetaddr)) { + if (!skip_eth0) + eth_env_set_enetaddr("ethaddr", enetaddr); + + enetaddr[5]++; + if (!skip_eth1) + eth_env_set_enetaddr("eth1addr", enetaddr); + } return 0; } @@ -216,9 +237,13 @@ int board_early_init_f(void) #ifdef CONFIG_SPL_LOAD_FIT int board_fit_config_name_match(const char *name) { - char test[20]; + const char *compat; + char test[128]; + + compat = fdt_getprop(gd->fdt_blob, 0, "compatible", NULL); - snprintf(test, sizeof(test), "somrev%d_boardrev%d", somcode, brdcode); + snprintf(test, sizeof(test), "%s_somrev%d_boardrev%d", + compat, somcode, brdcode); if (!strcmp(name, test)) return 0; diff --git a/board/dhelectronics/dh_stm32mp1/u-boot-dhcom.its b/board/dhelectronics/dh_stm32mp1/u-boot-dhcom.its index 2776c41af1..905be57dff 100644 --- a/board/dhelectronics/dh_stm32mp1/u-boot-dhcom.its +++ b/board/dhelectronics/dh_stm32mp1/u-boot-dhcom.its @@ -23,17 +23,47 @@ arch = "arm"; compression = "none"; }; + + fdt-2 { + description = ".dtb"; + data = /incbin/("arch/arm/dts/stm32mp15xx-dhcom-drc02.dtb"); + type = "flat_dt"; + arch = "arm"; + compression = "none"; + }; }; configurations { default = "config-1"; config-1 { - description = "somrev0_boardrev0"; /* SoM+board model */ + /* DT+SoM+board model */ + description = "dh,stm32mp15xx-dhcom-pdk2_somrev0_boardrev0"; + loadables = "uboot"; + fdt = "fdt-1"; + }; + + config-2 { + /* DT+SoM+board model */ + description = "dh,stm32mp15xx-dhcom-pdk2_somrev1_boardrev0"; loadables = "uboot"; fdt = "fdt-1"; }; + config-3 { + /* DT+SoM+board model */ + description = "dh,stm32mp15xx-dhcom-drc02_somrev0_boardrev0"; + loadables = "uboot"; + fdt = "fdt-2"; + }; + + config-4 { + /* DT+SoM+board model */ + description = "dh,stm32mp15xx-dhcom-drc02_somrev1_boardrev0"; + loadables = "uboot"; + fdt = "fdt-2"; + }; + /* Add 587-100..587-400 with fdt-2..fdt-4 here */ }; }; diff --git a/board/dhelectronics/dh_stm32mp1/u-boot-dhcor.its b/board/dhelectronics/dh_stm32mp1/u-boot-dhcor.its index 8844508f1a..7419684f55 100644 --- a/board/dhelectronics/dh_stm32mp1/u-boot-dhcor.its +++ b/board/dhelectronics/dh_stm32mp1/u-boot-dhcor.its @@ -29,7 +29,8 @@ default = "config-1"; config-1 { - description = "somrev0_boardrev1"; /* SoM+board model */ + /* DT+SoM+board model */ + description = "arrow,stm32mp15xx-avenger96_somrev0_boardrev1"; loadables = "uboot"; fdt = "fdt-1"; }; diff --git a/board/st/common/stm32mp_dfu.c b/board/st/common/stm32mp_dfu.c index 38eb0f27c9..aab7d741ac 100644 --- a/board/st/common/stm32mp_dfu.c +++ b/board/st/common/stm32mp_dfu.c @@ -114,11 +114,13 @@ void set_dfu_alt_info(char *interface, char *devstr) snprintf(buf, DFU_ALT_BUF_LEN, "ram 0=%s", CONFIG_DFU_ALT_RAM0); - if (!uclass_get_device(UCLASS_MMC, 0, &dev)) - board_get_alt_info_mmc(dev, buf); + if (CONFIG_IS_ENABLED(MMC)) { + if (!uclass_get_device(UCLASS_MMC, 0, &dev)) + board_get_alt_info_mmc(dev, buf); - if (!uclass_get_device(UCLASS_MMC, 1, &dev)) - board_get_alt_info_mmc(dev, buf); + if (!uclass_get_device(UCLASS_MMC, 1, &dev)) + board_get_alt_info_mmc(dev, buf); + } if (CONFIG_IS_ENABLED(MTD)) { /* probe all MTD devices */ @@ -140,12 +142,12 @@ void set_dfu_alt_info(char *interface, char *devstr) board_get_alt_info_mtd(mtd, buf); } -#ifdef CONFIG_DFU_VIRT - strncat(buf, "&virt 0=OTP", DFU_ALT_BUF_LEN); + if (IS_ENABLED(CONFIG_DFU_VIRT)) { + strncat(buf, "&virt 0=OTP", DFU_ALT_BUF_LEN); - if (IS_ENABLED(CONFIG_PMIC_STPMIC1)) - strncat(buf, "&virt 1=PMIC", DFU_ALT_BUF_LEN); -#endif + if (IS_ENABLED(CONFIG_PMIC_STPMIC1)) + strncat(buf, "&virt 1=PMIC", DFU_ALT_BUF_LEN); + } env_set("dfu_alt_info", buf); puts("DFU alt info setting: done\n"); diff --git a/board/st/stm32mp1/board.c b/board/st/stm32mp1/board.c deleted file mode 100644 index 00c61c2886..0000000000 --- a/board/st/stm32mp1/board.c +++ /dev/null @@ -1,36 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause -/* - * Copyright (C) 2018, STMicroelectronics - All Rights Reserved - */ - -#include <common.h> -#include <asm/io.h> -#include <linux/bitops.h> -#include <linux/delay.h> - -#ifdef CONFIG_DEBUG_UART_BOARD_INIT -void board_debug_uart_init(void) -{ -#if (CONFIG_DEBUG_UART_BASE == STM32_UART4_BASE) - -#define RCC_MP_APB1ENSETR (STM32_RCC_BASE + 0x0A00) -#define RCC_MP_AHB4ENSETR (STM32_RCC_BASE + 0x0A28) - - /* UART4 clock enable */ - setbits_le32(RCC_MP_APB1ENSETR, BIT(16)); - -#define GPIOG_BASE 0x50008000 - /* GPIOG clock enable */ - writel(BIT(6), RCC_MP_AHB4ENSETR); - /* GPIO configuration for EVAL board - * => Uart4 TX = G11 - */ - writel(0xffbfffff, GPIOG_BASE + 0x00); - writel(0x00006000, GPIOG_BASE + 0x24); -#else - -#error("CONFIG_DEBUG_UART_BASE: not supported value") - -#endif -} -#endif diff --git a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c index 1d274c3157..3b677d339b 100644 --- a/board/st/stm32mp1/stm32mp1.c +++ b/board/st/stm32mp1/stm32mp1.c @@ -135,60 +135,61 @@ int checkboard(void) static void board_key_check(void) { -#if defined(CONFIG_FASTBOOT) || defined(CONFIG_CMD_STM32PROG) ofnode node; struct gpio_desc gpio; enum forced_boot_mode boot_mode = BOOT_NORMAL; + if (!IS_ENABLED(CONFIG_FASTBOOT) && !IS_ENABLED(CONFIG_CMD_STM32PROG)) + return; + node = ofnode_path("/config"); if (!ofnode_valid(node)) { debug("%s: no /config node?\n", __func__); return; } -#ifdef CONFIG_FASTBOOT - if (gpio_request_by_name_nodev(node, "st,fastboot-gpios", 0, - &gpio, GPIOD_IS_IN)) { - debug("%s: could not find a /config/st,fastboot-gpios\n", - __func__); - } else { - if (dm_gpio_get_value(&gpio)) { - puts("Fastboot key pressed, "); - boot_mode = BOOT_FASTBOOT; - } + if (IS_ENABLED(CONFIG_FASTBOOT)) { + if (gpio_request_by_name_nodev(node, "st,fastboot-gpios", 0, + &gpio, GPIOD_IS_IN)) { + debug("%s: could not find a /config/st,fastboot-gpios\n", + __func__); + } else { + if (dm_gpio_get_value(&gpio)) { + puts("Fastboot key pressed, "); + boot_mode = BOOT_FASTBOOT; + } - dm_gpio_free(NULL, &gpio); + dm_gpio_free(NULL, &gpio); + } } -#endif -#ifdef CONFIG_CMD_STM32PROG - if (gpio_request_by_name_nodev(node, "st,stm32prog-gpios", 0, - &gpio, GPIOD_IS_IN)) { - debug("%s: could not find a /config/st,stm32prog-gpios\n", - __func__); - } else { - if (dm_gpio_get_value(&gpio)) { - puts("STM32Programmer key pressed, "); - boot_mode = BOOT_STM32PROG; + if (IS_ENABLED(CONFIG_CMD_STM32PROG)) { + if (gpio_request_by_name_nodev(node, "st,stm32prog-gpios", 0, + &gpio, GPIOD_IS_IN)) { + debug("%s: could not find a /config/st,stm32prog-gpios\n", + __func__); + } else { + if (dm_gpio_get_value(&gpio)) { + puts("STM32Programmer key pressed, "); + boot_mode = BOOT_STM32PROG; + } + dm_gpio_free(NULL, &gpio); } - dm_gpio_free(NULL, &gpio); } -#endif - if (boot_mode != BOOT_NORMAL) { puts("entering download mode...\n"); clrsetbits_le32(TAMP_BOOT_CONTEXT, TAMP_BOOT_FORCED_MASK, boot_mode); } -#endif } -#if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG) -#include <usb/dwc2_udc.h> int g_dnl_board_usb_cable_connected(void) { struct udevice *dwc2_udc_otg; int ret; + if (!IS_ENABLED(CONFIG_USB_GADGET_DWC2_OTG)) + return -ENODEV; + /* if typec stusb160x is present, means DK1 or DK2 board */ ret = stusb160x_cable_connected(); if (ret >= 0) @@ -203,14 +204,17 @@ int g_dnl_board_usb_cable_connected(void) return dwc2_udc_B_session_valid(dwc2_udc_otg); } +#ifdef CONFIG_USB_GADGET_DOWNLOAD #define STM32MP1_G_DNL_DFU_PRODUCT_NUM 0xdf11 #define STM32MP1_G_DNL_FASTBOOT_PRODUCT_NUM 0x0afb int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name) { - if (!strcmp(name, "usb_dnl_dfu")) + if (IS_ENABLED(CONFIG_DFU_OVER_USB) && + !strcmp(name, "usb_dnl_dfu")) put_unaligned(STM32MP1_G_DNL_DFU_PRODUCT_NUM, &dev->idProduct); - else if (!strcmp(name, "usb_dnl_fastboot")) + else if (IS_ENABLED(CONFIG_FASTBOOT) && + !strcmp(name, "usb_dnl_fastboot")) put_unaligned(STM32MP1_G_DNL_FASTBOOT_PRODUCT_NUM, &dev->idProduct); else @@ -218,8 +222,7 @@ int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name) return 0; } - -#endif /* CONFIG_USB_GADGET */ +#endif /* CONFIG_USB_GADGET_DOWNLOAD */ static int get_led(struct udevice **dev, char *led_string) { @@ -285,7 +288,6 @@ static void __maybe_unused led_error_blink(u32 nb_blink) hang(); } -#ifdef CONFIG_ADC static int board_check_usb_power(void) { struct ofnode_phandle_args adc_args; @@ -297,6 +299,10 @@ static int board_check_usb_power(void) int ret, uV, adc_count; u32 nb_blink; u8 i; + + if (!IS_ENABLED(CONFIG_ADC)) + return -ENODEV; + node = ofnode_path("/config"); if (!ofnode_valid(node)) { debug("%s: no /config node?\n", __func__); @@ -419,18 +425,14 @@ static int board_check_usb_power(void) return 0; } -#endif /* CONFIG_ADC */ static void sysconf_init(void) { -#ifndef CONFIG_TFABOOT u8 *syscfg; -#ifdef CONFIG_DM_REGULATOR struct udevice *pwr_dev; struct udevice *pwr_reg; struct udevice *dev; u32 otp = 0; -#endif int ret; u32 bootr, val; @@ -448,7 +450,6 @@ static void sysconf_init(void) bootr |= (bootr & SYSCFG_BOOTR_BOOT_MASK) << SYSCFG_BOOTR_BOOTPD_SHIFT; writel(bootr, syscfg + SYSCFG_BOOTR); -#ifdef CONFIG_DM_REGULATOR /* High Speed Low Voltage Pad mode Enable for SPI, SDMMC, ETH, QSPI * and TRACE. Needed above ~50MHz and conditioned by AFMUX selection. * The customer will have to disable this for low frequencies @@ -465,7 +466,7 @@ static void sysconf_init(void) ret = uclass_get_device_by_driver(UCLASS_PMIC, DM_GET_DRIVER(stm32mp_pwr_pmic), &pwr_dev); - if (!ret) { + if (!ret && IS_ENABLED(CONFIG_DM_REGULATOR)) { ret = uclass_get_device_by_driver(UCLASS_MISC, DM_GET_DRIVER(stm32mp_bsec), &dev); @@ -502,7 +503,6 @@ static void sysconf_init(void) debug("VDD unknown"); } } -#endif /* activate automatic I/O compensation * warning: need to ensure CSI enabled and ready in clock driver @@ -519,10 +519,8 @@ static void sysconf_init(void) } clrbits_le32(syscfg + SYSCFG_CMPCR, SYSCFG_CMPCR_SW_CTRL); -#endif } -#ifdef CONFIG_DM_REGULATOR /* Fix to make I2C1 usable on DK2 for touchscreen usage in kernel */ static int dk2_i2c1_fix(void) { @@ -530,6 +528,9 @@ static int dk2_i2c1_fix(void) struct gpio_desc hdmi, audio; int ret = 0; + if (!IS_ENABLED(CONFIG_DM_REGULATOR)) + return -ENODEV; + node = ofnode_path("/soc/i2c@40012000/hdmi-transmitter@39"); if (!ofnode_valid(node)) { pr_debug("%s: no hdmi-transmitter@39 ?\n", __func__); @@ -587,7 +588,6 @@ static bool board_is_dk2(void) return false; } -#endif static bool board_is_ev1(void) { @@ -635,14 +635,14 @@ int board_init(void) if (board_is_ev1()) board_ev1_init(); -#ifdef CONFIG_DM_REGULATOR if (board_is_dk2()) dk2_i2c1_fix(); - regulators_enable_boot_on(_DEBUG); -#endif + if (IS_ENABLED(CONFIG_DM_REGULATOR)) + regulators_enable_boot_on(_DEBUG); - sysconf_init(); + if (!IS_ENABLED(CONFIG_TFABOOT)) + sysconf_init(); if (CONFIG_IS_ENABLED(LED)) led_default_state(); @@ -654,52 +654,50 @@ int board_init(void) int board_late_init(void) { -#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG const void *fdt_compat; int fdt_compat_len; int ret; u32 otp; struct udevice *dev; char buf[10]; + char dtb_name[256]; + int buf_len; + + if (IS_ENABLED(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)) { + fdt_compat = fdt_getprop(gd->fdt_blob, 0, "compatible", + &fdt_compat_len); + if (fdt_compat && fdt_compat_len) { + if (strncmp(fdt_compat, "st,", 3) != 0) { + env_set("board_name", fdt_compat); + } else { + env_set("board_name", fdt_compat + 3); - fdt_compat = fdt_getprop(gd->fdt_blob, 0, "compatible", - &fdt_compat_len); - if (fdt_compat && fdt_compat_len) { - if (strncmp(fdt_compat, "st,", 3) != 0) { - env_set("board_name", fdt_compat); - } else { - char dtb_name[256]; - int buf_len = sizeof(dtb_name); + buf_len = sizeof(dtb_name); + strncpy(dtb_name, fdt_compat + 3, buf_len); + buf_len -= strlen(fdt_compat + 3); + strncat(dtb_name, ".dtb", buf_len); + env_set("fdtfile", dtb_name); + } + } + ret = uclass_get_device_by_driver(UCLASS_MISC, + DM_GET_DRIVER(stm32mp_bsec), + &dev); - env_set("board_name", fdt_compat + 3); + if (!ret) + ret = misc_read(dev, STM32_BSEC_SHADOW(BSEC_OTP_BOARD), + &otp, sizeof(otp)); + if (ret > 0 && otp) { + snprintf(buf, sizeof(buf), "0x%04x", otp >> 16); + env_set("board_id", buf); - strncpy(dtb_name, fdt_compat + 3, buf_len); - buf_len -= strlen(fdt_compat + 3); - strncat(dtb_name, ".dtb", buf_len); - env_set("fdtfile", dtb_name); + snprintf(buf, sizeof(buf), "0x%04x", + ((otp >> 8) & 0xF) - 1 + 0xA); + env_set("board_rev", buf); } } - ret = uclass_get_device_by_driver(UCLASS_MISC, - DM_GET_DRIVER(stm32mp_bsec), - &dev); - if (!ret) - ret = misc_read(dev, STM32_BSEC_SHADOW(BSEC_OTP_BOARD), - &otp, sizeof(otp)); - if (ret > 0 && otp) { - snprintf(buf, sizeof(buf), "0x%04x", otp >> 16); - env_set("board_id", buf); - - snprintf(buf, sizeof(buf), "0x%04x", - ((otp >> 8) & 0xF) - 1 + 0xA); - env_set("board_rev", buf); - } -#endif - -#ifdef CONFIG_ADC /* for DK1/DK2 boards */ board_check_usb_power(); -#endif /* CONFIG_ADC */ return 0; } @@ -787,31 +785,33 @@ enum env_location env_get_location(enum env_operation op, int prio) return ENVL_UNKNOWN; switch (bootmode & TAMP_BOOT_DEVICE_MASK) { -#if CONFIG_IS_ENABLED(ENV_IS_IN_MMC) - case BOOT_FLASH_SD: - case BOOT_FLASH_EMMC: - return ENVL_MMC; -#endif -#if CONFIG_IS_ENABLED(ENV_IS_IN_EXT4) case BOOT_FLASH_SD: case BOOT_FLASH_EMMC: - return ENVL_EXT4; -#endif -#if CONFIG_IS_ENABLED(ENV_IS_IN_UBI) + if (CONFIG_IS_ENABLED(ENV_IS_IN_MMC)) + return ENVL_MMC; + else if (CONFIG_IS_ENABLED(ENV_IS_IN_EXT4)) + return ENVL_EXT4; + else + return ENVL_NOWHERE; + case BOOT_FLASH_NAND: case BOOT_FLASH_SPINAND: - return ENVL_UBI; -#endif -#if CONFIG_IS_ENABLED(ENV_IS_IN_SPI_FLASH) + if (CONFIG_IS_ENABLED(ENV_IS_IN_UBI)) + return ENVL_UBI; + else + return ENVL_NOWHERE; + case BOOT_FLASH_NOR: - return ENVL_SPI_FLASH; -#endif + if (CONFIG_IS_ENABLED(ENV_IS_IN_SPI_FLASH)) + return ENVL_SPI_FLASH; + else + return ENVL_NOWHERE; + default: return ENVL_NOWHERE; } } -#if defined(CONFIG_ENV_IS_IN_EXT4) const char *env_ext4_get_intf(void) { u32 bootmode = get_bootmode(); @@ -832,28 +832,25 @@ const char *env_ext4_get_dev_part(void) return dev_part[(bootmode & TAMP_BOOT_INSTANCE_MASK) - 1]; } -#endif - -#if defined(CONFIG_ENV_IS_IN_MMC) int mmc_get_env_dev(void) { u32 bootmode = get_bootmode(); return (bootmode & TAMP_BOOT_INSTANCE_MASK) - 1; } -#endif #if defined(CONFIG_OF_BOARD_SETUP) int ft_board_setup(void *blob, struct bd_info *bd) { -#ifdef CONFIG_FDT_FIXUP_PARTITIONS - struct node_info nodes[] = { + static const struct node_info nodes[] = { { "st,stm32f469-qspi", MTD_DEV_TYPE_NOR, }, { "st,stm32f469-qspi", MTD_DEV_TYPE_SPINAND}, { "st,stm32mp15-fmc2", MTD_DEV_TYPE_NAND, }, + { "st,stm32mp1-fmc2-nfc", MTD_DEV_TYPE_NAND, }, }; - fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes)); -#endif + + if (IS_ENABLED(CONFIG_FDT_FIXUP_PARTITIONS)) + fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes)); return 0; } diff --git a/configs/stm32mp15_basic_defconfig b/configs/stm32mp15_basic_defconfig index 5c500a131e..2094183295 100644 --- a/configs/stm32mp15_basic_defconfig +++ b/configs/stm32mp15_basic_defconfig @@ -88,6 +88,7 @@ CONFIG_LED=y CONFIG_LED_GPIO=y CONFIG_DM_MAILBOX=y CONFIG_STM32_IPCC=y +CONFIG_STM32_FMC2_EBI=y CONFIG_DM_MMC=y CONFIG_SUPPORT_EMMC_BOOT=y CONFIG_STM32_SDMMC2=y diff --git a/configs/stm32mp15_dhcom_basic_defconfig b/configs/stm32mp15_dhcom_basic_defconfig index dc85625a8b..c70414e23b 100644 --- a/configs/stm32mp15_dhcom_basic_defconfig +++ b/configs/stm32mp15_dhcom_basic_defconfig @@ -57,6 +57,7 @@ CONFIG_CMD_REGULATOR=y CONFIG_CMD_EXT4_WRITE=y CONFIG_CMD_MTDPARTS=y # CONFIG_SPL_DOS_PARTITION is not set +CONFIG_OF_LIST="stm32mp15xx-dhcom-pdk2 stm32mp15xx-dhcom-drc02" CONFIG_OF_SPL_REMOVE_PROPS="interrupts interrupt-names interrupts-extended interrupt-controller \\\#interrupt-cells interrupt-parent dmas dma-names assigned-clocks assigned-clock-rates assigned-clock-parents hwlocks" CONFIG_ENV_IS_IN_SPI_FLASH=y CONFIG_USE_ENV_SPI_BUS=y diff --git a/configs/stm32mp15_trusted_defconfig b/configs/stm32mp15_trusted_defconfig index 98680cb2dc..8d59d84184 100644 --- a/configs/stm32mp15_trusted_defconfig +++ b/configs/stm32mp15_trusted_defconfig @@ -68,6 +68,7 @@ CONFIG_LED=y CONFIG_LED_GPIO=y CONFIG_DM_MAILBOX=y CONFIG_STM32_IPCC=y +CONFIG_STM32_FMC2_EBI=y CONFIG_DM_MMC=y CONFIG_SUPPORT_EMMC_BOOT=y CONFIG_STM32_SDMMC2=y diff --git a/drivers/memory/Kconfig b/drivers/memory/Kconfig index 4fbb5aa217..7271892763 100644 --- a/drivers/memory/Kconfig +++ b/drivers/memory/Kconfig @@ -4,6 +4,15 @@ menu "Memory Controller drivers" +config STM32_FMC2_EBI + bool "Support for FMC2 External Bus Interface on STM32MP SoCs" + depends on ARCH_STM32MP + help + Select this option to enable the STM32 FMC2 External Bus Interface + controller. This driver configures the transactions with external + devices (like SRAM, ethernet adapters, FPGAs, LCD displays, ...) on + SOCs containing the FMC2 External Bus Interface. + config TI_AEMIF tristate "Texas Instruments AEMIF driver" depends on ARCH_KEYSTONE diff --git a/drivers/memory/Makefile b/drivers/memory/Makefile index 238add0879..fec52efb60 100644 --- a/drivers/memory/Makefile +++ b/drivers/memory/Makefile @@ -1,2 +1,3 @@ +obj-$(CONFIG_STM32_FMC2_EBI) += stm32-fmc2-ebi.o obj-$(CONFIG_TI_AEMIF) += ti-aemif.o diff --git a/drivers/memory/stm32-fmc2-ebi.c b/drivers/memory/stm32-fmc2-ebi.c new file mode 100644 index 0000000000..d887a1e09d --- /dev/null +++ b/drivers/memory/stm32-fmc2-ebi.c @@ -0,0 +1,1056 @@ +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause +/* + * Copyright (C) STMicroelectronics 2020 + */ + +#include <common.h> +#include <clk.h> +#include <dm.h> +#include <reset.h> +#include <linux/bitfield.h> +#include <linux/err.h> +#include <linux/iopoll.h> +#include <linux/ioport.h> + +/* FMC2 Controller Registers */ +#define FMC2_BCR1 0x0 +#define FMC2_BTR1 0x4 +#define FMC2_BCR(x) ((x) * 0x8 + FMC2_BCR1) +#define FMC2_BTR(x) ((x) * 0x8 + FMC2_BTR1) +#define FMC2_PCSCNTR 0x20 +#define FMC2_BWTR1 0x104 +#define FMC2_BWTR(x) ((x) * 0x8 + FMC2_BWTR1) + +/* Register: FMC2_BCR1 */ +#define FMC2_BCR1_CCLKEN BIT(20) +#define FMC2_BCR1_FMC2EN BIT(31) + +/* Register: FMC2_BCRx */ +#define FMC2_BCR_MBKEN BIT(0) +#define FMC2_BCR_MUXEN BIT(1) +#define FMC2_BCR_MTYP GENMASK(3, 2) +#define FMC2_BCR_MWID GENMASK(5, 4) +#define FMC2_BCR_FACCEN BIT(6) +#define FMC2_BCR_BURSTEN BIT(8) +#define FMC2_BCR_WAITPOL BIT(9) +#define FMC2_BCR_WAITCFG BIT(11) +#define FMC2_BCR_WREN BIT(12) +#define FMC2_BCR_WAITEN BIT(13) +#define FMC2_BCR_EXTMOD BIT(14) +#define FMC2_BCR_ASYNCWAIT BIT(15) +#define FMC2_BCR_CPSIZE GENMASK(18, 16) +#define FMC2_BCR_CBURSTRW BIT(19) +#define FMC2_BCR_NBLSET GENMASK(23, 22) + +/* Register: FMC2_BTRx/FMC2_BWTRx */ +#define FMC2_BXTR_ADDSET GENMASK(3, 0) +#define FMC2_BXTR_ADDHLD GENMASK(7, 4) +#define FMC2_BXTR_DATAST GENMASK(15, 8) +#define FMC2_BXTR_BUSTURN GENMASK(19, 16) +#define FMC2_BTR_CLKDIV GENMASK(23, 20) +#define FMC2_BTR_DATLAT GENMASK(27, 24) +#define FMC2_BXTR_ACCMOD GENMASK(29, 28) +#define FMC2_BXTR_DATAHLD GENMASK(31, 30) + +/* Register: FMC2_PCSCNTR */ +#define FMC2_PCSCNTR_CSCOUNT GENMASK(15, 0) +#define FMC2_PCSCNTR_CNTBEN(x) BIT((x) + 16) + +#define FMC2_MAX_EBI_CE 4 +#define FMC2_MAX_BANKS 5 + +#define FMC2_BCR_CPSIZE_0 0x0 +#define FMC2_BCR_CPSIZE_128 0x1 +#define FMC2_BCR_CPSIZE_256 0x2 +#define FMC2_BCR_CPSIZE_512 0x3 +#define FMC2_BCR_CPSIZE_1024 0x4 + +#define FMC2_BCR_MWID_8 0x0 +#define FMC2_BCR_MWID_16 0x1 + +#define FMC2_BCR_MTYP_SRAM 0x0 +#define FMC2_BCR_MTYP_PSRAM 0x1 +#define FMC2_BCR_MTYP_NOR 0x2 + +#define FMC2_BXTR_EXTMOD_A 0x0 +#define FMC2_BXTR_EXTMOD_B 0x1 +#define FMC2_BXTR_EXTMOD_C 0x2 +#define FMC2_BXTR_EXTMOD_D 0x3 + +#define FMC2_BCR_NBLSET_MAX 0x3 +#define FMC2_BXTR_ADDSET_MAX 0xf +#define FMC2_BXTR_ADDHLD_MAX 0xf +#define FMC2_BXTR_DATAST_MAX 0xff +#define FMC2_BXTR_BUSTURN_MAX 0xf +#define FMC2_BXTR_DATAHLD_MAX 0x3 +#define FMC2_BTR_CLKDIV_MAX 0xf +#define FMC2_BTR_DATLAT_MAX 0xf +#define FMC2_PCSCNTR_CSCOUNT_MAX 0xff + +#define FMC2_NSEC_PER_SEC 1000000000L + +enum stm32_fmc2_ebi_bank { + FMC2_EBI1 = 0, + FMC2_EBI2, + FMC2_EBI3, + FMC2_EBI4, + FMC2_NAND +}; + +enum stm32_fmc2_ebi_register_type { + FMC2_REG_BCR = 1, + FMC2_REG_BTR, + FMC2_REG_BWTR, + FMC2_REG_PCSCNTR +}; + +enum stm32_fmc2_ebi_transaction_type { + FMC2_ASYNC_MODE_1_SRAM = 0, + FMC2_ASYNC_MODE_1_PSRAM, + FMC2_ASYNC_MODE_A_SRAM, + FMC2_ASYNC_MODE_A_PSRAM, + FMC2_ASYNC_MODE_2_NOR, + FMC2_ASYNC_MODE_B_NOR, + FMC2_ASYNC_MODE_C_NOR, + FMC2_ASYNC_MODE_D_NOR, + FMC2_SYNC_READ_SYNC_WRITE_PSRAM, + FMC2_SYNC_READ_ASYNC_WRITE_PSRAM, + FMC2_SYNC_READ_SYNC_WRITE_NOR, + FMC2_SYNC_READ_ASYNC_WRITE_NOR +}; + +enum stm32_fmc2_ebi_buswidth { + FMC2_BUSWIDTH_8 = 8, + FMC2_BUSWIDTH_16 = 16 +}; + +enum stm32_fmc2_ebi_cpsize { + FMC2_CPSIZE_0 = 0, + FMC2_CPSIZE_128 = 128, + FMC2_CPSIZE_256 = 256, + FMC2_CPSIZE_512 = 512, + FMC2_CPSIZE_1024 = 1024 +}; + +struct stm32_fmc2_ebi { + struct clk clk; + fdt_addr_t io_base; + u8 bank_assigned; +}; + +/* + * struct stm32_fmc2_prop - STM32 FMC2 EBI property + * @name: the device tree binding name of the property + * @bprop: indicate that it is a boolean property + * @mprop: indicate that it is a mandatory property + * @reg_type: the register that have to be modified + * @reg_mask: the bit that have to be modified in the selected register + * in case of it is a boolean property + * @reset_val: the default value that have to be set in case the property + * has not been defined in the device tree + * @check: this callback ckecks that the property is compliant with the + * transaction type selected + * @calculate: this callback is called to calculate for exemple a timing + * set in nanoseconds in the device tree in clock cycles or in + * clock period + * @set: this callback applies the values in the registers + */ +struct stm32_fmc2_prop { + const char *name; + bool bprop; + bool mprop; + int reg_type; + u32 reg_mask; + u32 reset_val; + int (*check)(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, int cs); + u32 (*calculate)(struct stm32_fmc2_ebi *ebi, int cs, u32 setup); + int (*set)(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs, u32 setup); +}; + +static int stm32_fmc2_ebi_check_mux(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs) +{ + u32 bcr = readl(ebi->io_base + FMC2_BCR(cs)); + + if (bcr & FMC2_BCR_MTYP) + return 0; + + return -EINVAL; +} + +static int stm32_fmc2_ebi_check_waitcfg(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs) +{ + u32 bcr = readl(ebi->io_base + FMC2_BCR(cs)); + u32 val = FIELD_PREP(FMC2_BCR_MTYP, FMC2_BCR_MTYP_NOR); + + if ((bcr & FMC2_BCR_MTYP) == val && bcr & FMC2_BCR_BURSTEN) + return 0; + + return -EINVAL; +} + +static int stm32_fmc2_ebi_check_sync_trans(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs) +{ + u32 bcr = readl(ebi->io_base + FMC2_BCR(cs)); + + if (bcr & FMC2_BCR_BURSTEN) + return 0; + + return -EINVAL; +} + +static int stm32_fmc2_ebi_check_async_trans(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs) +{ + u32 bcr = readl(ebi->io_base + FMC2_BCR(cs)); + + if (!(bcr & FMC2_BCR_BURSTEN) || !(bcr & FMC2_BCR_CBURSTRW)) + return 0; + + return -EINVAL; +} + +static int stm32_fmc2_ebi_check_cpsize(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs) +{ + u32 bcr = readl(ebi->io_base + FMC2_BCR(cs)); + u32 val = FIELD_PREP(FMC2_BCR_MTYP, FMC2_BCR_MTYP_PSRAM); + + if ((bcr & FMC2_BCR_MTYP) == val && bcr & FMC2_BCR_BURSTEN) + return 0; + + return -EINVAL; +} + +static int stm32_fmc2_ebi_check_address_hold(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs) +{ + u32 bcr = readl(ebi->io_base + FMC2_BCR(cs)); + u32 bxtr = prop->reg_type == FMC2_REG_BWTR ? + readl(ebi->io_base + FMC2_BWTR(cs)) : + readl(ebi->io_base + FMC2_BTR(cs)); + u32 val = FIELD_PREP(FMC2_BXTR_ACCMOD, FMC2_BXTR_EXTMOD_D); + + if ((!(bcr & FMC2_BCR_BURSTEN) || !(bcr & FMC2_BCR_CBURSTRW)) && + ((bxtr & FMC2_BXTR_ACCMOD) == val || bcr & FMC2_BCR_MUXEN)) + return 0; + + return -EINVAL; +} + +static int stm32_fmc2_ebi_check_clk_period(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs) +{ + u32 bcr = readl(ebi->io_base + FMC2_BCR(cs)); + u32 bcr1 = cs ? readl(ebi->io_base + FMC2_BCR1) : bcr; + + if (bcr & FMC2_BCR_BURSTEN && (!cs || !(bcr1 & FMC2_BCR1_CCLKEN))) + return 0; + + return -EINVAL; +} + +static int stm32_fmc2_ebi_check_cclk(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs) +{ + if (cs) + return -EINVAL; + + return stm32_fmc2_ebi_check_sync_trans(ebi, prop, cs); +} + +static u32 stm32_fmc2_ebi_ns_to_clock_cycles(struct stm32_fmc2_ebi *ebi, + int cs, u32 setup) +{ + unsigned long hclk = clk_get_rate(&ebi->clk); + unsigned long hclkp = FMC2_NSEC_PER_SEC / (hclk / 1000); + + return DIV_ROUND_UP(setup * 1000, hclkp); +} + +static u32 stm32_fmc2_ebi_ns_to_clk_period(struct stm32_fmc2_ebi *ebi, + int cs, u32 setup) +{ + u32 nb_clk_cycles = stm32_fmc2_ebi_ns_to_clock_cycles(ebi, cs, setup); + u32 bcr = readl(ebi->io_base + FMC2_BCR1); + u32 btr = bcr & FMC2_BCR1_CCLKEN || !cs ? + readl(ebi->io_base + FMC2_BTR1) : + readl(ebi->io_base + FMC2_BTR(cs)); + u32 clk_period = FIELD_GET(FMC2_BTR_CLKDIV, btr) + 1; + + return DIV_ROUND_UP(nb_clk_cycles, clk_period); +} + +static int stm32_fmc2_ebi_get_reg(int reg_type, int cs, u32 *reg) +{ + switch (reg_type) { + case FMC2_REG_BCR: + *reg = FMC2_BCR(cs); + break; + case FMC2_REG_BTR: + *reg = FMC2_BTR(cs); + break; + case FMC2_REG_BWTR: + *reg = FMC2_BWTR(cs); + break; + case FMC2_REG_PCSCNTR: + *reg = FMC2_PCSCNTR; + break; + default: + return -EINVAL; + } + + return 0; +} + +static int stm32_fmc2_ebi_set_bit_field(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs, u32 setup) +{ + u32 reg; + int ret; + + ret = stm32_fmc2_ebi_get_reg(prop->reg_type, cs, ®); + if (ret) + return ret; + + clrsetbits_le32(ebi->io_base + reg, prop->reg_mask, + setup ? prop->reg_mask : 0); + + return 0; +} + +static int stm32_fmc2_ebi_set_trans_type(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs, u32 setup) +{ + u32 bcr_mask, bcr = FMC2_BCR_WREN; + u32 btr_mask, btr = 0; + u32 bwtr_mask, bwtr = 0; + + bwtr_mask = FMC2_BXTR_ACCMOD; + btr_mask = FMC2_BXTR_ACCMOD; + bcr_mask = FMC2_BCR_MUXEN | FMC2_BCR_MTYP | FMC2_BCR_FACCEN | + FMC2_BCR_WREN | FMC2_BCR_WAITEN | FMC2_BCR_BURSTEN | + FMC2_BCR_EXTMOD | FMC2_BCR_CBURSTRW; + + switch (setup) { + case FMC2_ASYNC_MODE_1_SRAM: + bcr |= FIELD_PREP(FMC2_BCR_MTYP, FMC2_BCR_MTYP_SRAM); + /* + * MUXEN = 0, MTYP = 0, FACCEN = 0, BURSTEN = 0, WAITEN = 0, + * WREN = 1, EXTMOD = 0, CBURSTRW = 0, ACCMOD = 0 + */ + break; + case FMC2_ASYNC_MODE_1_PSRAM: + /* + * MUXEN = 0, MTYP = 1, FACCEN = 0, BURSTEN = 0, WAITEN = 0, + * WREN = 1, EXTMOD = 0, CBURSTRW = 0, ACCMOD = 0 + */ + bcr |= FIELD_PREP(FMC2_BCR_MTYP, FMC2_BCR_MTYP_PSRAM); + break; + case FMC2_ASYNC_MODE_A_SRAM: + /* + * MUXEN = 0, MTYP = 0, FACCEN = 0, BURSTEN = 0, WAITEN = 0, + * WREN = 1, EXTMOD = 1, CBURSTRW = 0, ACCMOD = 0 + */ + bcr |= FIELD_PREP(FMC2_BCR_MTYP, FMC2_BCR_MTYP_SRAM); + bcr |= FMC2_BCR_EXTMOD; + btr |= FIELD_PREP(FMC2_BXTR_ACCMOD, FMC2_BXTR_EXTMOD_A); + bwtr |= FIELD_PREP(FMC2_BXTR_ACCMOD, FMC2_BXTR_EXTMOD_A); + break; + case FMC2_ASYNC_MODE_A_PSRAM: + /* + * MUXEN = 0, MTYP = 1, FACCEN = 0, BURSTEN = 0, WAITEN = 0, + * WREN = 1, EXTMOD = 1, CBURSTRW = 0, ACCMOD = 0 + */ + bcr |= FIELD_PREP(FMC2_BCR_MTYP, FMC2_BCR_MTYP_PSRAM); + bcr |= FMC2_BCR_EXTMOD; + btr |= FIELD_PREP(FMC2_BXTR_ACCMOD, FMC2_BXTR_EXTMOD_A); + bwtr |= FIELD_PREP(FMC2_BXTR_ACCMOD, FMC2_BXTR_EXTMOD_A); + break; + case FMC2_ASYNC_MODE_2_NOR: + /* + * MUXEN = 0, MTYP = 2, FACCEN = 1, BURSTEN = 0, WAITEN = 0, + * WREN = 1, EXTMOD = 0, CBURSTRW = 0, ACCMOD = 0 + */ + bcr |= FIELD_PREP(FMC2_BCR_MTYP, FMC2_BCR_MTYP_NOR); + bcr |= FMC2_BCR_FACCEN; + break; + case FMC2_ASYNC_MODE_B_NOR: + /* + * MUXEN = 0, MTYP = 2, FACCEN = 1, BURSTEN = 0, WAITEN = 0, + * WREN = 1, EXTMOD = 1, CBURSTRW = 0, ACCMOD = 1 + */ + bcr |= FIELD_PREP(FMC2_BCR_MTYP, FMC2_BCR_MTYP_NOR); + bcr |= FMC2_BCR_FACCEN | FMC2_BCR_EXTMOD; + btr |= FIELD_PREP(FMC2_BXTR_ACCMOD, FMC2_BXTR_EXTMOD_B); + bwtr |= FIELD_PREP(FMC2_BXTR_ACCMOD, FMC2_BXTR_EXTMOD_B); + break; + case FMC2_ASYNC_MODE_C_NOR: + /* + * MUXEN = 0, MTYP = 2, FACCEN = 1, BURSTEN = 0, WAITEN = 0, + * WREN = 1, EXTMOD = 1, CBURSTRW = 0, ACCMOD = 2 + */ + bcr |= FIELD_PREP(FMC2_BCR_MTYP, FMC2_BCR_MTYP_NOR); + bcr |= FMC2_BCR_FACCEN | FMC2_BCR_EXTMOD; + btr |= FIELD_PREP(FMC2_BXTR_ACCMOD, FMC2_BXTR_EXTMOD_C); + bwtr |= FIELD_PREP(FMC2_BXTR_ACCMOD, FMC2_BXTR_EXTMOD_C); + break; + case FMC2_ASYNC_MODE_D_NOR: + /* + * MUXEN = 0, MTYP = 2, FACCEN = 1, BURSTEN = 0, WAITEN = 0, + * WREN = 1, EXTMOD = 1, CBURSTRW = 0, ACCMOD = 3 + */ + bcr |= FIELD_PREP(FMC2_BCR_MTYP, FMC2_BCR_MTYP_NOR); + bcr |= FMC2_BCR_FACCEN | FMC2_BCR_EXTMOD; + btr |= FIELD_PREP(FMC2_BXTR_ACCMOD, FMC2_BXTR_EXTMOD_D); + bwtr |= FIELD_PREP(FMC2_BXTR_ACCMOD, FMC2_BXTR_EXTMOD_D); + break; + case FMC2_SYNC_READ_SYNC_WRITE_PSRAM: + /* + * MUXEN = 0, MTYP = 1, FACCEN = 0, BURSTEN = 1, WAITEN = 0, + * WREN = 1, EXTMOD = 0, CBURSTRW = 1, ACCMOD = 0 + */ + bcr |= FIELD_PREP(FMC2_BCR_MTYP, FMC2_BCR_MTYP_PSRAM); + bcr |= FMC2_BCR_BURSTEN | FMC2_BCR_CBURSTRW; + break; + case FMC2_SYNC_READ_ASYNC_WRITE_PSRAM: + /* + * MUXEN = 0, MTYP = 1, FACCEN = 0, BURSTEN = 1, WAITEN = 0, + * WREN = 1, EXTMOD = 0, CBURSTRW = 0, ACCMOD = 0 + */ + bcr |= FIELD_PREP(FMC2_BCR_MTYP, FMC2_BCR_MTYP_PSRAM); + bcr |= FMC2_BCR_BURSTEN; + break; + case FMC2_SYNC_READ_SYNC_WRITE_NOR: + /* + * MUXEN = 0, MTYP = 2, FACCEN = 1, BURSTEN = 1, WAITEN = 0, + * WREN = 1, EXTMOD = 0, CBURSTRW = 1, ACCMOD = 0 + */ + bcr |= FIELD_PREP(FMC2_BCR_MTYP, FMC2_BCR_MTYP_NOR); + bcr |= FMC2_BCR_FACCEN | FMC2_BCR_BURSTEN | FMC2_BCR_CBURSTRW; + break; + case FMC2_SYNC_READ_ASYNC_WRITE_NOR: + /* + * MUXEN = 0, MTYP = 2, FACCEN = 1, BURSTEN = 1, WAITEN = 0, + * WREN = 1, EXTMOD = 0, CBURSTRW = 0, ACCMOD = 0 + */ + bcr |= FIELD_PREP(FMC2_BCR_MTYP, FMC2_BCR_MTYP_NOR); + bcr |= FMC2_BCR_FACCEN | FMC2_BCR_BURSTEN; + break; + default: + /* Type of transaction not supported */ + return -EINVAL; + } + + if (bcr & FMC2_BCR_EXTMOD) + clrsetbits_le32(ebi->io_base + FMC2_BWTR(cs), + bwtr_mask, bwtr); + clrsetbits_le32(ebi->io_base + FMC2_BTR(cs), btr_mask, btr); + clrsetbits_le32(ebi->io_base + FMC2_BCR(cs), bcr_mask, bcr); + + return 0; +} + +static int stm32_fmc2_ebi_set_buswidth(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs, u32 setup) +{ + u32 val; + + switch (setup) { + case FMC2_BUSWIDTH_8: + val = FIELD_PREP(FMC2_BCR_MWID, FMC2_BCR_MWID_8); + break; + case FMC2_BUSWIDTH_16: + val = FIELD_PREP(FMC2_BCR_MWID, FMC2_BCR_MWID_16); + break; + default: + /* Buswidth not supported */ + return -EINVAL; + } + + clrsetbits_le32(ebi->io_base + FMC2_BCR(cs), FMC2_BCR_MWID, val); + + return 0; +} + +static int stm32_fmc2_ebi_set_cpsize(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs, u32 setup) +{ + u32 val; + + switch (setup) { + case FMC2_CPSIZE_0: + val = FIELD_PREP(FMC2_BCR_CPSIZE, FMC2_BCR_CPSIZE_0); + break; + case FMC2_CPSIZE_128: + val = FIELD_PREP(FMC2_BCR_CPSIZE, FMC2_BCR_CPSIZE_128); + break; + case FMC2_CPSIZE_256: + val = FIELD_PREP(FMC2_BCR_CPSIZE, FMC2_BCR_CPSIZE_256); + break; + case FMC2_CPSIZE_512: + val = FIELD_PREP(FMC2_BCR_CPSIZE, FMC2_BCR_CPSIZE_512); + break; + case FMC2_CPSIZE_1024: + val = FIELD_PREP(FMC2_BCR_CPSIZE, FMC2_BCR_CPSIZE_1024); + break; + default: + /* Cpsize not supported */ + return -EINVAL; + } + + clrsetbits_le32(ebi->io_base + FMC2_BCR(cs), FMC2_BCR_CPSIZE, val); + + return 0; +} + +static int stm32_fmc2_ebi_set_bl_setup(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs, u32 setup) +{ + u32 val; + + val = min_t(u32, setup, FMC2_BCR_NBLSET_MAX); + val = FIELD_PREP(FMC2_BCR_NBLSET, val); + clrsetbits_le32(ebi->io_base + FMC2_BCR(cs), FMC2_BCR_NBLSET, val); + + return 0; +} + +static int stm32_fmc2_ebi_set_address_setup(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs, u32 setup) +{ + u32 bcr = readl(ebi->io_base + FMC2_BCR(cs)); + u32 bxtr = prop->reg_type == FMC2_REG_BWTR ? + readl(ebi->io_base + FMC2_BWTR(cs)) : + readl(ebi->io_base + FMC2_BTR(cs)); + u32 reg, val = FIELD_PREP(FMC2_BXTR_ACCMOD, FMC2_BXTR_EXTMOD_D); + int ret; + + ret = stm32_fmc2_ebi_get_reg(prop->reg_type, cs, ®); + if (ret) + return ret; + + if ((bxtr & FMC2_BXTR_ACCMOD) == val || bcr & FMC2_BCR_MUXEN) + val = clamp_val(setup, 1, FMC2_BXTR_ADDSET_MAX); + else + val = min_t(u32, setup, FMC2_BXTR_ADDSET_MAX); + val = FIELD_PREP(FMC2_BXTR_ADDSET, val); + clrsetbits_le32(ebi->io_base + reg, FMC2_BXTR_ADDSET, val); + + return 0; +} + +static int stm32_fmc2_ebi_set_address_hold(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs, u32 setup) +{ + u32 val, reg; + int ret; + + ret = stm32_fmc2_ebi_get_reg(prop->reg_type, cs, ®); + if (ret) + return ret; + + val = clamp_val(setup, 1, FMC2_BXTR_ADDHLD_MAX); + val = FIELD_PREP(FMC2_BXTR_ADDHLD, val); + clrsetbits_le32(ebi->io_base + reg, FMC2_BXTR_ADDHLD, val); + + return 0; +} + +static int stm32_fmc2_ebi_set_data_setup(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs, u32 setup) +{ + u32 val, reg; + int ret; + + ret = stm32_fmc2_ebi_get_reg(prop->reg_type, cs, ®); + if (ret) + return ret; + + val = clamp_val(setup, 1, FMC2_BXTR_DATAST_MAX); + val = FIELD_PREP(FMC2_BXTR_DATAST, val); + clrsetbits_le32(ebi->io_base + reg, FMC2_BXTR_DATAST, val); + + return 0; +} + +static int stm32_fmc2_ebi_set_bus_turnaround(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs, u32 setup) +{ + u32 val, reg; + int ret; + + ret = stm32_fmc2_ebi_get_reg(prop->reg_type, cs, ®); + if (ret) + return ret; + + val = setup ? min_t(u32, setup - 1, FMC2_BXTR_BUSTURN_MAX) : 0; + val = FIELD_PREP(FMC2_BXTR_BUSTURN, val); + clrsetbits_le32(ebi->io_base + reg, FMC2_BXTR_BUSTURN, val); + + return 0; +} + +static int stm32_fmc2_ebi_set_data_hold(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs, u32 setup) +{ + u32 val, reg; + int ret; + + ret = stm32_fmc2_ebi_get_reg(prop->reg_type, cs, ®); + if (ret) + return ret; + + if (prop->reg_type == FMC2_REG_BWTR) + val = setup ? min_t(u32, setup - 1, FMC2_BXTR_DATAHLD_MAX) : 0; + else + val = min_t(u32, setup, FMC2_BXTR_DATAHLD_MAX); + val = FIELD_PREP(FMC2_BXTR_DATAHLD, val); + clrsetbits_le32(ebi->io_base + reg, FMC2_BXTR_DATAHLD, val); + + return 0; +} + +static int stm32_fmc2_ebi_set_clk_period(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs, u32 setup) +{ + u32 val; + + val = setup ? clamp_val(setup - 1, 1, FMC2_BTR_CLKDIV_MAX) : 1; + val = FIELD_PREP(FMC2_BTR_CLKDIV, val); + clrsetbits_le32(ebi->io_base + FMC2_BTR(cs), FMC2_BTR_CLKDIV, val); + + return 0; +} + +static int stm32_fmc2_ebi_set_data_latency(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs, u32 setup) +{ + u32 val; + + val = setup > 1 ? min_t(u32, setup - 2, FMC2_BTR_DATLAT_MAX) : 0; + val = FIELD_PREP(FMC2_BTR_DATLAT, val); + clrsetbits_le32(ebi->io_base + FMC2_BTR(cs), FMC2_BTR_DATLAT, val); + + return 0; +} + +static int stm32_fmc2_ebi_set_max_low_pulse(struct stm32_fmc2_ebi *ebi, + const struct stm32_fmc2_prop *prop, + int cs, u32 setup) +{ + u32 old_val, new_val, pcscntr; + + if (setup < 1) + return 0; + + pcscntr = readl(ebi->io_base + FMC2_PCSCNTR); + + /* Enable counter for the bank */ + setbits_le32(ebi->io_base + FMC2_PCSCNTR, FMC2_PCSCNTR_CNTBEN(cs)); + + new_val = min_t(u32, setup - 1, FMC2_PCSCNTR_CSCOUNT_MAX); + old_val = FIELD_GET(FMC2_PCSCNTR_CSCOUNT, pcscntr); + if (old_val && new_val > old_val) + /* Keep current counter value */ + return 0; + + new_val = FIELD_PREP(FMC2_PCSCNTR_CSCOUNT, new_val); + clrsetbits_le32(ebi->io_base + FMC2_PCSCNTR, + FMC2_PCSCNTR_CSCOUNT, new_val); + + return 0; +} + +static const struct stm32_fmc2_prop stm32_fmc2_child_props[] = { + /* st,fmc2-ebi-cs-trans-type must be the first property */ + { + .name = "st,fmc2-ebi-cs-transaction-type", + .mprop = true, + .set = stm32_fmc2_ebi_set_trans_type, + }, + { + .name = "st,fmc2-ebi-cs-cclk-enable", + .bprop = true, + .reg_type = FMC2_REG_BCR, + .reg_mask = FMC2_BCR1_CCLKEN, + .check = stm32_fmc2_ebi_check_cclk, + .set = stm32_fmc2_ebi_set_bit_field, + }, + { + .name = "st,fmc2-ebi-cs-mux-enable", + .bprop = true, + .reg_type = FMC2_REG_BCR, + .reg_mask = FMC2_BCR_MUXEN, + .check = stm32_fmc2_ebi_check_mux, + .set = stm32_fmc2_ebi_set_bit_field, + }, + { + .name = "st,fmc2-ebi-cs-buswidth", + .reset_val = FMC2_BUSWIDTH_16, + .set = stm32_fmc2_ebi_set_buswidth, + }, + { + .name = "st,fmc2-ebi-cs-waitpol-high", + .bprop = true, + .reg_type = FMC2_REG_BCR, + .reg_mask = FMC2_BCR_WAITPOL, + .set = stm32_fmc2_ebi_set_bit_field, + }, + { + .name = "st,fmc2-ebi-cs-waitcfg-enable", + .bprop = true, + .reg_type = FMC2_REG_BCR, + .reg_mask = FMC2_BCR_WAITCFG, + .check = stm32_fmc2_ebi_check_waitcfg, + .set = stm32_fmc2_ebi_set_bit_field, + }, + { + .name = "st,fmc2-ebi-cs-wait-enable", + .bprop = true, + .reg_type = FMC2_REG_BCR, + .reg_mask = FMC2_BCR_WAITEN, + .check = stm32_fmc2_ebi_check_sync_trans, + .set = stm32_fmc2_ebi_set_bit_field, + }, + { + .name = "st,fmc2-ebi-cs-asyncwait-enable", + .bprop = true, + .reg_type = FMC2_REG_BCR, + .reg_mask = FMC2_BCR_ASYNCWAIT, + .check = stm32_fmc2_ebi_check_async_trans, + .set = stm32_fmc2_ebi_set_bit_field, + }, + { + .name = "st,fmc2-ebi-cs-cpsize", + .check = stm32_fmc2_ebi_check_cpsize, + .set = stm32_fmc2_ebi_set_cpsize, + }, + { + .name = "st,fmc2-ebi-cs-byte-lane-setup-ns", + .calculate = stm32_fmc2_ebi_ns_to_clock_cycles, + .set = stm32_fmc2_ebi_set_bl_setup, + }, + { + .name = "st,fmc2-ebi-cs-address-setup-ns", + .reg_type = FMC2_REG_BTR, + .reset_val = FMC2_BXTR_ADDSET_MAX, + .check = stm32_fmc2_ebi_check_async_trans, + .calculate = stm32_fmc2_ebi_ns_to_clock_cycles, + .set = stm32_fmc2_ebi_set_address_setup, + }, + { + .name = "st,fmc2-ebi-cs-address-hold-ns", + .reg_type = FMC2_REG_BTR, + .reset_val = FMC2_BXTR_ADDHLD_MAX, + .check = stm32_fmc2_ebi_check_address_hold, + .calculate = stm32_fmc2_ebi_ns_to_clock_cycles, + .set = stm32_fmc2_ebi_set_address_hold, + }, + { + .name = "st,fmc2-ebi-cs-data-setup-ns", + .reg_type = FMC2_REG_BTR, + .reset_val = FMC2_BXTR_DATAST_MAX, + .check = stm32_fmc2_ebi_check_async_trans, + .calculate = stm32_fmc2_ebi_ns_to_clock_cycles, + .set = stm32_fmc2_ebi_set_data_setup, + }, + { + .name = "st,fmc2-ebi-cs-bus-turnaround-ns", + .reg_type = FMC2_REG_BTR, + .reset_val = FMC2_BXTR_BUSTURN_MAX + 1, + .calculate = stm32_fmc2_ebi_ns_to_clock_cycles, + .set = stm32_fmc2_ebi_set_bus_turnaround, + }, + { + .name = "st,fmc2-ebi-cs-data-hold-ns", + .reg_type = FMC2_REG_BTR, + .check = stm32_fmc2_ebi_check_async_trans, + .calculate = stm32_fmc2_ebi_ns_to_clock_cycles, + .set = stm32_fmc2_ebi_set_data_hold, + }, + { + .name = "st,fmc2-ebi-cs-clk-period-ns", + .reset_val = FMC2_BTR_CLKDIV_MAX + 1, + .check = stm32_fmc2_ebi_check_clk_period, + .calculate = stm32_fmc2_ebi_ns_to_clock_cycles, + .set = stm32_fmc2_ebi_set_clk_period, + }, + { + .name = "st,fmc2-ebi-cs-data-latency-ns", + .check = stm32_fmc2_ebi_check_sync_trans, + .calculate = stm32_fmc2_ebi_ns_to_clk_period, + .set = stm32_fmc2_ebi_set_data_latency, + }, + { + .name = "st,fmc2-ebi-cs-write-address-setup-ns", + .reg_type = FMC2_REG_BWTR, + .reset_val = FMC2_BXTR_ADDSET_MAX, + .check = stm32_fmc2_ebi_check_async_trans, + .calculate = stm32_fmc2_ebi_ns_to_clock_cycles, + .set = stm32_fmc2_ebi_set_address_setup, + }, + { + .name = "st,fmc2-ebi-cs-write-address-hold-ns", + .reg_type = FMC2_REG_BWTR, + .reset_val = FMC2_BXTR_ADDHLD_MAX, + .check = stm32_fmc2_ebi_check_address_hold, + .calculate = stm32_fmc2_ebi_ns_to_clock_cycles, + .set = stm32_fmc2_ebi_set_address_hold, + }, + { + .name = "st,fmc2-ebi-cs-write-data-setup-ns", + .reg_type = FMC2_REG_BWTR, + .reset_val = FMC2_BXTR_DATAST_MAX, + .check = stm32_fmc2_ebi_check_async_trans, + .calculate = stm32_fmc2_ebi_ns_to_clock_cycles, + .set = stm32_fmc2_ebi_set_data_setup, + }, + { + .name = "st,fmc2-ebi-cs-write-bus-turnaround-ns", + .reg_type = FMC2_REG_BWTR, + .reset_val = FMC2_BXTR_BUSTURN_MAX + 1, + .calculate = stm32_fmc2_ebi_ns_to_clock_cycles, + .set = stm32_fmc2_ebi_set_bus_turnaround, + }, + { + .name = "st,fmc2-ebi-cs-write-data-hold-ns", + .reg_type = FMC2_REG_BWTR, + .check = stm32_fmc2_ebi_check_async_trans, + .calculate = stm32_fmc2_ebi_ns_to_clock_cycles, + .set = stm32_fmc2_ebi_set_data_hold, + }, + { + .name = "st,fmc2-ebi-cs-max-low-pulse-ns", + .calculate = stm32_fmc2_ebi_ns_to_clock_cycles, + .set = stm32_fmc2_ebi_set_max_low_pulse, + }, +}; + +static int stm32_fmc2_ebi_parse_prop(struct stm32_fmc2_ebi *ebi, + ofnode node, + const struct stm32_fmc2_prop *prop, + int cs) +{ + u32 setup = 0; + + if (!prop->set) { + pr_err("property %s is not well defined\n", prop->name); + return -EINVAL; + } + + if (prop->check && prop->check(ebi, prop, cs)) + /* Skip this property */ + return 0; + + if (prop->bprop) { + bool bprop; + + bprop = ofnode_read_bool(node, prop->name); + if (prop->mprop && !bprop) { + pr_err("mandatory property %s not defined in the device tree\n", + prop->name); + return -EINVAL; + } + + if (bprop) + setup = 1; + } else { + u32 val; + int ret; + + ret = ofnode_read_u32(node, prop->name, &val); + if (prop->mprop && ret) { + pr_err("mandatory property %s not defined in the device tree\n", + prop->name); + return ret; + } + + if (ret) + setup = prop->reset_val; + else if (prop->calculate) + setup = prop->calculate(ebi, cs, val); + else + setup = val; + } + + return prop->set(ebi, prop, cs, setup); +} + +static void stm32_fmc2_ebi_enable_bank(struct stm32_fmc2_ebi *ebi, int cs) +{ + setbits_le32(ebi->io_base + FMC2_BCR(cs), FMC2_BCR_MBKEN); +} + +static void stm32_fmc2_ebi_disable_bank(struct stm32_fmc2_ebi *ebi, int cs) +{ + clrbits_le32(ebi->io_base + FMC2_BCR(cs), FMC2_BCR_MBKEN); +} + +/* NWAIT signal can not be connected to EBI controller and NAND controller */ +static bool stm32_fmc2_ebi_nwait_used_by_ctrls(struct stm32_fmc2_ebi *ebi) +{ + unsigned int cs; + u32 bcr; + + for (cs = 0; cs < FMC2_MAX_EBI_CE; cs++) { + if (!(ebi->bank_assigned & BIT(cs))) + continue; + + bcr = readl(ebi->io_base + FMC2_BCR(cs)); + if ((bcr & FMC2_BCR_WAITEN || bcr & FMC2_BCR_ASYNCWAIT) && + ebi->bank_assigned & BIT(FMC2_NAND)) + return true; + } + + return false; +} + +static void stm32_fmc2_ebi_enable(struct stm32_fmc2_ebi *ebi) +{ + setbits_le32(ebi->io_base + FMC2_BCR1, FMC2_BCR1_FMC2EN); +} + +static int stm32_fmc2_ebi_setup_cs(struct stm32_fmc2_ebi *ebi, + ofnode node, u32 cs) +{ + unsigned int i; + int ret; + + stm32_fmc2_ebi_disable_bank(ebi, cs); + + for (i = 0; i < ARRAY_SIZE(stm32_fmc2_child_props); i++) { + const struct stm32_fmc2_prop *p = &stm32_fmc2_child_props[i]; + + ret = stm32_fmc2_ebi_parse_prop(ebi, node, p, cs); + if (ret) { + pr_err("property %s could not be set: %d\n", + p->name, ret); + return ret; + } + } + + stm32_fmc2_ebi_enable_bank(ebi, cs); + + return 0; +} + +static int stm32_fmc2_ebi_parse_dt(struct udevice *dev, + struct stm32_fmc2_ebi *ebi) +{ + ofnode child; + bool child_found = false; + u32 bank; + int ret; + + dev_for_each_subnode(child, dev) { + ret = ofnode_read_u32(child, "reg", &bank); + if (ret) { + pr_err("could not retrieve reg property: %d\n", ret); + return ret; + } + + if (bank >= FMC2_MAX_BANKS) { + pr_err("invalid reg value: %d\n", bank); + return -EINVAL; + } + + if (ebi->bank_assigned & BIT(bank)) { + pr_err("bank already assigned: %d\n", bank); + return -EINVAL; + } + + if (bank < FMC2_MAX_EBI_CE) { + ret = stm32_fmc2_ebi_setup_cs(ebi, child, bank); + if (ret) { + pr_err("setup chip select %d failed: %d\n", + bank, ret); + return ret; + } + } + + ebi->bank_assigned |= BIT(bank); + child_found = true; + } + + if (!child_found) { + pr_warn("no subnodes found, disable the driver.\n"); + return -ENODEV; + } + + if (stm32_fmc2_ebi_nwait_used_by_ctrls(ebi)) { + pr_err("NWAIT signal connected to EBI and NAND controllers\n"); + return -EINVAL; + } + + stm32_fmc2_ebi_enable(ebi); + + return 0; +} + +static int stm32_fmc2_ebi_probe(struct udevice *dev) +{ + struct stm32_fmc2_ebi *ebi = dev_get_priv(dev); + struct reset_ctl reset; + int ret; + + ebi->io_base = dev_read_addr(dev); + if (ebi->io_base == FDT_ADDR_T_NONE) + return -EINVAL; + + ret = clk_get_by_index(dev, 0, &ebi->clk); + if (ret) + return ret; + + ret = clk_enable(&ebi->clk); + if (ret) + return ret; + + ret = reset_get_by_index(dev, 0, &reset); + if (!ret) { + reset_assert(&reset); + udelay(2); + reset_deassert(&reset); + } + + return stm32_fmc2_ebi_parse_dt(dev, ebi); +} + +static const struct udevice_id stm32_fmc2_ebi_match[] = { + {.compatible = "st,stm32mp1-fmc2-ebi"}, + { /* Sentinel */ } +}; + +U_BOOT_DRIVER(stm32_fmc2_ebi) = { + .name = "stm32_fmc2_ebi", + .id = UCLASS_NOP, + .of_match = stm32_fmc2_ebi_match, + .probe = stm32_fmc2_ebi_probe, + .priv_auto_alloc_size = sizeof(struct stm32_fmc2_ebi), + .bind = dm_scan_fdt_dev, +}; diff --git a/drivers/mtd/nand/raw/stm32_fmc2_nand.c b/drivers/mtd/nand/raw/stm32_fmc2_nand.c index 3306bd8ac9..47fe61090d 100644 --- a/drivers/mtd/nand/raw/stm32_fmc2_nand.c +++ b/drivers/mtd/nand/raw/stm32_fmc2_nand.c @@ -10,6 +10,7 @@ #include <log.h> #include <nand.h> #include <reset.h> +#include <linux/bitfield.h> #include <linux/bitops.h> #include <linux/delay.h> #include <linux/err.h> @@ -60,20 +61,16 @@ /* Register: FMC2_PCR */ #define FMC2_PCR_PWAITEN BIT(1) #define FMC2_PCR_PBKEN BIT(2) -#define FMC2_PCR_PWID_MASK GENMASK(5, 4) -#define FMC2_PCR_PWID(x) (((x) & 0x3) << 4) +#define FMC2_PCR_PWID GENMASK(5, 4) #define FMC2_PCR_PWID_BUSWIDTH_8 0 #define FMC2_PCR_PWID_BUSWIDTH_16 1 #define FMC2_PCR_ECCEN BIT(6) #define FMC2_PCR_ECCALG BIT(8) -#define FMC2_PCR_TCLR_MASK GENMASK(12, 9) -#define FMC2_PCR_TCLR(x) (((x) & 0xf) << 9) +#define FMC2_PCR_TCLR GENMASK(12, 9) #define FMC2_PCR_TCLR_DEFAULT 0xf -#define FMC2_PCR_TAR_MASK GENMASK(16, 13) -#define FMC2_PCR_TAR(x) (((x) & 0xf) << 13) +#define FMC2_PCR_TAR GENMASK(16, 13) #define FMC2_PCR_TAR_DEFAULT 0xf -#define FMC2_PCR_ECCSS_MASK GENMASK(19, 17) -#define FMC2_PCR_ECCSS(x) (((x) & 0x7) << 17) +#define FMC2_PCR_ECCSS GENMASK(19, 17) #define FMC2_PCR_ECCSS_512 1 #define FMC2_PCR_ECCSS_2048 3 #define FMC2_PCR_BCHECC BIT(24) @@ -83,17 +80,17 @@ #define FMC2_SR_NWRF BIT(6) /* Register: FMC2_PMEM */ -#define FMC2_PMEM_MEMSET(x) (((x) & 0xff) << 0) -#define FMC2_PMEM_MEMWAIT(x) (((x) & 0xff) << 8) -#define FMC2_PMEM_MEMHOLD(x) (((x) & 0xff) << 16) -#define FMC2_PMEM_MEMHIZ(x) (((x) & 0xff) << 24) +#define FMC2_PMEM_MEMSET GENMASK(7, 0) +#define FMC2_PMEM_MEMWAIT GENMASK(15, 8) +#define FMC2_PMEM_MEMHOLD GENMASK(23, 16) +#define FMC2_PMEM_MEMHIZ GENMASK(31, 24) #define FMC2_PMEM_DEFAULT 0x0a0a0a0a /* Register: FMC2_PATT */ -#define FMC2_PATT_ATTSET(x) (((x) & 0xff) << 0) -#define FMC2_PATT_ATTWAIT(x) (((x) & 0xff) << 8) -#define FMC2_PATT_ATTHOLD(x) (((x) & 0xff) << 16) -#define FMC2_PATT_ATTHIZ(x) (((x) & 0xff) << 24) +#define FMC2_PATT_ATTSET GENMASK(7, 0) +#define FMC2_PATT_ATTWAIT GENMASK(15, 8) +#define FMC2_PATT_ATTHOLD GENMASK(23, 16) +#define FMC2_PATT_ATTHIZ GENMASK(31, 24) #define FMC2_PATT_DEFAULT 0x0a0a0a0a /* Register: FMC2_BCHISR */ @@ -106,31 +103,28 @@ /* Register: FMC2_BCHDSR0 */ #define FMC2_BCHDSR0_DUE BIT(0) #define FMC2_BCHDSR0_DEF BIT(1) -#define FMC2_BCHDSR0_DEN_MASK GENMASK(7, 4) -#define FMC2_BCHDSR0_DEN_SHIFT 4 +#define FMC2_BCHDSR0_DEN GENMASK(7, 4) /* Register: FMC2_BCHDSR1 */ -#define FMC2_BCHDSR1_EBP1_MASK GENMASK(12, 0) -#define FMC2_BCHDSR1_EBP2_MASK GENMASK(28, 16) -#define FMC2_BCHDSR1_EBP2_SHIFT 16 +#define FMC2_BCHDSR1_EBP1 GENMASK(12, 0) +#define FMC2_BCHDSR1_EBP2 GENMASK(28, 16) /* Register: FMC2_BCHDSR2 */ -#define FMC2_BCHDSR2_EBP3_MASK GENMASK(12, 0) -#define FMC2_BCHDSR2_EBP4_MASK GENMASK(28, 16) -#define FMC2_BCHDSR2_EBP4_SHIFT 16 +#define FMC2_BCHDSR2_EBP3 GENMASK(12, 0) +#define FMC2_BCHDSR2_EBP4 GENMASK(28, 16) /* Register: FMC2_BCHDSR3 */ -#define FMC2_BCHDSR3_EBP5_MASK GENMASK(12, 0) -#define FMC2_BCHDSR3_EBP6_MASK GENMASK(28, 16) -#define FMC2_BCHDSR3_EBP6_SHIFT 16 +#define FMC2_BCHDSR3_EBP5 GENMASK(12, 0) +#define FMC2_BCHDSR3_EBP6 GENMASK(28, 16) /* Register: FMC2_BCHDSR4 */ -#define FMC2_BCHDSR4_EBP7_MASK GENMASK(12, 0) -#define FMC2_BCHDSR4_EBP8_MASK GENMASK(28, 16) -#define FMC2_BCHDSR4_EBP8_SHIFT 16 +#define FMC2_BCHDSR4_EBP7 GENMASK(12, 0) +#define FMC2_BCHDSR4_EBP8 GENMASK(28, 16) #define FMC2_NSEC_PER_SEC 1000000000L +#define FMC2_TIMEOUT_5S 5000000 + enum stm32_fmc2_ecc { FMC2_ECC_HAM = 1, FMC2_ECC_BCH4 = 4, @@ -164,10 +158,10 @@ struct stm32_fmc2_nfc { struct nand_hw_control base; struct stm32_fmc2_nand nand; struct nand_ecclayout ecclayout; - void __iomem *io_base; - void __iomem *data_base[FMC2_MAX_CE]; - void __iomem *cmd_base[FMC2_MAX_CE]; - void __iomem *addr_base[FMC2_MAX_CE]; + fdt_addr_t io_base; + fdt_addr_t data_base[FMC2_MAX_CE]; + fdt_addr_t cmd_base[FMC2_MAX_CE]; + fdt_addr_t addr_base[FMC2_MAX_CE]; struct clk clk; u8 cs_assigned; @@ -179,47 +173,42 @@ static inline struct stm32_fmc2_nfc *to_stm32_nfc(struct nand_hw_control *base) return container_of(base, struct stm32_fmc2_nfc, base); } -/* Timings configuration */ -static void stm32_fmc2_timings_init(struct nand_chip *chip) +static void stm32_fmc2_nfc_timings_init(struct nand_chip *chip) { - struct stm32_fmc2_nfc *fmc2 = to_stm32_nfc(chip->controller); + struct stm32_fmc2_nfc *nfc = to_stm32_nfc(chip->controller); struct stm32_fmc2_nand *nand = to_fmc2_nand(chip); struct stm32_fmc2_timings *timings = &nand->timings; - u32 pcr = readl(fmc2->io_base + FMC2_PCR); u32 pmem, patt; /* Set tclr/tar timings */ - pcr &= ~FMC2_PCR_TCLR_MASK; - pcr |= FMC2_PCR_TCLR(timings->tclr); - pcr &= ~FMC2_PCR_TAR_MASK; - pcr |= FMC2_PCR_TAR(timings->tar); + clrsetbits_le32(nfc->io_base + FMC2_PCR, + FMC2_PCR_TCLR | FMC2_PCR_TAR, + FIELD_PREP(FMC2_PCR_TCLR, timings->tclr) | + FIELD_PREP(FMC2_PCR_TAR, timings->tar)); /* Set tset/twait/thold/thiz timings in common bank */ - pmem = FMC2_PMEM_MEMSET(timings->tset_mem); - pmem |= FMC2_PMEM_MEMWAIT(timings->twait); - pmem |= FMC2_PMEM_MEMHOLD(timings->thold_mem); - pmem |= FMC2_PMEM_MEMHIZ(timings->thiz); + pmem = FIELD_PREP(FMC2_PMEM_MEMSET, timings->tset_mem); + pmem |= FIELD_PREP(FMC2_PMEM_MEMWAIT, timings->twait); + pmem |= FIELD_PREP(FMC2_PMEM_MEMHOLD, timings->thold_mem); + pmem |= FIELD_PREP(FMC2_PMEM_MEMHIZ, timings->thiz); + writel(pmem, nfc->io_base + FMC2_PMEM); /* Set tset/twait/thold/thiz timings in attribut bank */ - patt = FMC2_PATT_ATTSET(timings->tset_att); - patt |= FMC2_PATT_ATTWAIT(timings->twait); - patt |= FMC2_PATT_ATTHOLD(timings->thold_att); - patt |= FMC2_PATT_ATTHIZ(timings->thiz); - - writel(pcr, fmc2->io_base + FMC2_PCR); - writel(pmem, fmc2->io_base + FMC2_PMEM); - writel(patt, fmc2->io_base + FMC2_PATT); + patt = FIELD_PREP(FMC2_PATT_ATTSET, timings->tset_att); + patt |= FIELD_PREP(FMC2_PATT_ATTWAIT, timings->twait); + patt |= FIELD_PREP(FMC2_PATT_ATTHOLD, timings->thold_att); + patt |= FIELD_PREP(FMC2_PATT_ATTHIZ, timings->thiz); + writel(patt, nfc->io_base + FMC2_PATT); } -/* Controller configuration */ -static void stm32_fmc2_setup(struct nand_chip *chip) +static void stm32_fmc2_nfc_setup(struct nand_chip *chip) { - struct stm32_fmc2_nfc *fmc2 = to_stm32_nfc(chip->controller); - u32 pcr = readl(fmc2->io_base + FMC2_PCR); + struct stm32_fmc2_nfc *nfc = to_stm32_nfc(chip->controller); + u32 pcr = 0, pcr_mask; /* Configure ECC algorithm (default configuration is Hamming) */ - pcr &= ~FMC2_PCR_ECCALG; - pcr &= ~FMC2_PCR_BCHECC; + pcr_mask = FMC2_PCR_ECCALG; + pcr_mask |= FMC2_PCR_BCHECC; if (chip->ecc.strength == FMC2_ECC_BCH8) { pcr |= FMC2_PCR_ECCALG; pcr |= FMC2_PCR_BCHECC; @@ -228,111 +217,95 @@ static void stm32_fmc2_setup(struct nand_chip *chip) } /* Set buswidth */ - pcr &= ~FMC2_PCR_PWID_MASK; + pcr_mask |= FMC2_PCR_PWID; if (chip->options & NAND_BUSWIDTH_16) - pcr |= FMC2_PCR_PWID(FMC2_PCR_PWID_BUSWIDTH_16); + pcr |= FIELD_PREP(FMC2_PCR_PWID, FMC2_PCR_PWID_BUSWIDTH_16); /* Set ECC sector size */ - pcr &= ~FMC2_PCR_ECCSS_MASK; - pcr |= FMC2_PCR_ECCSS(FMC2_PCR_ECCSS_512); + pcr_mask |= FMC2_PCR_ECCSS; + pcr |= FIELD_PREP(FMC2_PCR_ECCSS, FMC2_PCR_ECCSS_512); - writel(pcr, fmc2->io_base + FMC2_PCR); + clrsetbits_le32(nfc->io_base + FMC2_PCR, pcr_mask, pcr); } -/* Select target */ -static void stm32_fmc2_select_chip(struct mtd_info *mtd, int chipnr) +static void stm32_fmc2_nfc_select_chip(struct mtd_info *mtd, int chipnr) { struct nand_chip *chip = mtd_to_nand(mtd); - struct stm32_fmc2_nfc *fmc2 = to_stm32_nfc(chip->controller); + struct stm32_fmc2_nfc *nfc = to_stm32_nfc(chip->controller); struct stm32_fmc2_nand *nand = to_fmc2_nand(chip); if (chipnr < 0 || chipnr >= nand->ncs) return; - if (nand->cs_used[chipnr] == fmc2->cs_sel) + if (nand->cs_used[chipnr] == nfc->cs_sel) return; - fmc2->cs_sel = nand->cs_used[chipnr]; - chip->IO_ADDR_R = fmc2->data_base[fmc2->cs_sel]; - chip->IO_ADDR_W = fmc2->data_base[fmc2->cs_sel]; - - /* FMC2 setup routine */ - stm32_fmc2_setup(chip); + nfc->cs_sel = nand->cs_used[chipnr]; + chip->IO_ADDR_R = (void __iomem *)nfc->data_base[nfc->cs_sel]; + chip->IO_ADDR_W = (void __iomem *)nfc->data_base[nfc->cs_sel]; - /* Apply timings */ - stm32_fmc2_timings_init(chip); + stm32_fmc2_nfc_setup(chip); + stm32_fmc2_nfc_timings_init(chip); } -/* Set bus width to 16-bit or 8-bit */ -static void stm32_fmc2_set_buswidth_16(struct stm32_fmc2_nfc *fmc2, bool set) +static void stm32_fmc2_nfc_set_buswidth_16(struct stm32_fmc2_nfc *nfc, + bool set) { - u32 pcr = readl(fmc2->io_base + FMC2_PCR); + u32 pcr; - pcr &= ~FMC2_PCR_PWID_MASK; - if (set) - pcr |= FMC2_PCR_PWID(FMC2_PCR_PWID_BUSWIDTH_16); - writel(pcr, fmc2->io_base + FMC2_PCR); + pcr = set ? FIELD_PREP(FMC2_PCR_PWID, FMC2_PCR_PWID_BUSWIDTH_16) : + FIELD_PREP(FMC2_PCR_PWID, FMC2_PCR_PWID_BUSWIDTH_8); + + clrsetbits_le32(nfc->io_base + FMC2_PCR, FMC2_PCR_PWID, pcr); } -/* Enable/disable ECC */ -static void stm32_fmc2_set_ecc(struct stm32_fmc2_nfc *fmc2, bool enable) +static void stm32_fmc2_nfc_set_ecc(struct stm32_fmc2_nfc *nfc, bool enable) { - u32 pcr = readl(fmc2->io_base + FMC2_PCR); - - pcr &= ~FMC2_PCR_ECCEN; - if (enable) - pcr |= FMC2_PCR_ECCEN; - writel(pcr, fmc2->io_base + FMC2_PCR); + clrsetbits_le32(nfc->io_base + FMC2_PCR, FMC2_PCR_ECCEN, + enable ? FMC2_PCR_ECCEN : 0); } -/* Clear irq sources in case of bch is used */ -static inline void stm32_fmc2_clear_bch_irq(struct stm32_fmc2_nfc *fmc2) +static void stm32_fmc2_nfc_clear_bch_irq(struct stm32_fmc2_nfc *nfc) { - writel(FMC2_BCHICR_CLEAR_IRQ, fmc2->io_base + FMC2_BCHICR); + writel(FMC2_BCHICR_CLEAR_IRQ, nfc->io_base + FMC2_BCHICR); } -/* Send command and address cycles */ -static void stm32_fmc2_cmd_ctrl(struct mtd_info *mtd, int cmd, - unsigned int ctrl) +static void stm32_fmc2_nfc_cmd_ctrl(struct mtd_info *mtd, int cmd, + unsigned int ctrl) { struct nand_chip *chip = mtd_to_nand(mtd); - struct stm32_fmc2_nfc *fmc2 = to_stm32_nfc(chip->controller); + struct stm32_fmc2_nfc *nfc = to_stm32_nfc(chip->controller); if (cmd == NAND_CMD_NONE) return; if (ctrl & NAND_CLE) { - writeb(cmd, fmc2->cmd_base[fmc2->cs_sel]); + writeb(cmd, nfc->cmd_base[nfc->cs_sel]); return; } - writeb(cmd, fmc2->addr_base[fmc2->cs_sel]); + writeb(cmd, nfc->addr_base[nfc->cs_sel]); } /* * Enable ECC logic and reset syndrome/parity bits previously calculated * Syndrome/parity bits is cleared by setting the ECCEN bit to 0 */ -static void stm32_fmc2_hwctl(struct mtd_info *mtd, int mode) +static void stm32_fmc2_nfc_hwctl(struct mtd_info *mtd, int mode) { struct nand_chip *chip = mtd_to_nand(mtd); - struct stm32_fmc2_nfc *fmc2 = to_stm32_nfc(chip->controller); + struct stm32_fmc2_nfc *nfc = to_stm32_nfc(chip->controller); - stm32_fmc2_set_ecc(fmc2, false); + stm32_fmc2_nfc_set_ecc(nfc, false); if (chip->ecc.strength != FMC2_ECC_HAM) { - u32 pcr = readl(fmc2->io_base + FMC2_PCR); + clrsetbits_le32(nfc->io_base + FMC2_PCR, FMC2_PCR_WEN, + mode == NAND_ECC_WRITE ? FMC2_PCR_WEN : 0); - if (mode == NAND_ECC_WRITE) - pcr |= FMC2_PCR_WEN; - else - pcr &= ~FMC2_PCR_WEN; - writel(pcr, fmc2->io_base + FMC2_PCR); - - stm32_fmc2_clear_bch_irq(fmc2); + stm32_fmc2_nfc_clear_bch_irq(nfc); } - stm32_fmc2_set_ecc(fmc2, true); + stm32_fmc2_nfc_set_ecc(nfc, true); } /* @@ -340,35 +313,34 @@ static void stm32_fmc2_hwctl(struct mtd_info *mtd, int mode) * ECC is 3 bytes for 512 bytes of data (supports error correction up to * max of 1-bit) */ -static int stm32_fmc2_ham_calculate(struct mtd_info *mtd, const u8 *data, - u8 *ecc) +static int stm32_fmc2_nfc_ham_calculate(struct mtd_info *mtd, const u8 *data, + u8 *ecc) { struct nand_chip *chip = mtd_to_nand(mtd); - struct stm32_fmc2_nfc *fmc2 = to_stm32_nfc(chip->controller); + struct stm32_fmc2_nfc *nfc = to_stm32_nfc(chip->controller); u32 heccr, sr; int ret; - ret = readl_poll_timeout(fmc2->io_base + FMC2_SR, sr, - sr & FMC2_SR_NWRF, 10000); + ret = readl_poll_timeout(nfc->io_base + FMC2_SR, sr, + sr & FMC2_SR_NWRF, FMC2_TIMEOUT_5S); if (ret < 0) { pr_err("Ham timeout\n"); return ret; } - heccr = readl(fmc2->io_base + FMC2_HECCR); + heccr = readl(nfc->io_base + FMC2_HECCR); ecc[0] = heccr; ecc[1] = heccr >> 8; ecc[2] = heccr >> 16; - /* Disable ecc */ - stm32_fmc2_set_ecc(fmc2, false); + stm32_fmc2_nfc_set_ecc(nfc, false); return 0; } -static int stm32_fmc2_ham_correct(struct mtd_info *mtd, u8 *dat, - u8 *read_ecc, u8 *calc_ecc) +static int stm32_fmc2_nfc_ham_correct(struct mtd_info *mtd, u8 *dat, + u8 *read_ecc, u8 *calc_ecc) { u8 bit_position = 0, b0, b1, b2; u32 byte_addr = 0, b; @@ -425,30 +397,30 @@ static int stm32_fmc2_ham_correct(struct mtd_info *mtd, u8 *dat, * max of 4-bit/8-bit) */ -static int stm32_fmc2_bch_calculate(struct mtd_info *mtd, const u8 *data, - u8 *ecc) +static int stm32_fmc2_nfc_bch_calculate(struct mtd_info *mtd, const u8 *data, + u8 *ecc) { struct nand_chip *chip = mtd_to_nand(mtd); - struct stm32_fmc2_nfc *fmc2 = to_stm32_nfc(chip->controller); + struct stm32_fmc2_nfc *nfc = to_stm32_nfc(chip->controller); u32 bchpbr, bchisr; int ret; /* Wait until the BCH code is ready */ - ret = readl_poll_timeout(fmc2->io_base + FMC2_BCHISR, bchisr, - bchisr & FMC2_BCHISR_EPBRF, 10000); + ret = readl_poll_timeout(nfc->io_base + FMC2_BCHISR, bchisr, + bchisr & FMC2_BCHISR_EPBRF, FMC2_TIMEOUT_5S); if (ret < 0) { pr_err("Bch timeout\n"); return ret; } /* Read parity bits */ - bchpbr = readl(fmc2->io_base + FMC2_BCHPBR1); + bchpbr = readl(nfc->io_base + FMC2_BCHPBR1); ecc[0] = bchpbr; ecc[1] = bchpbr >> 8; ecc[2] = bchpbr >> 16; ecc[3] = bchpbr >> 24; - bchpbr = readl(fmc2->io_base + FMC2_BCHPBR2); + bchpbr = readl(nfc->io_base + FMC2_BCHPBR2); ecc[4] = bchpbr; ecc[5] = bchpbr >> 8; ecc[6] = bchpbr >> 16; @@ -456,49 +428,46 @@ static int stm32_fmc2_bch_calculate(struct mtd_info *mtd, const u8 *data, if (chip->ecc.strength == FMC2_ECC_BCH8) { ecc[7] = bchpbr >> 24; - bchpbr = readl(fmc2->io_base + FMC2_BCHPBR3); + bchpbr = readl(nfc->io_base + FMC2_BCHPBR3); ecc[8] = bchpbr; ecc[9] = bchpbr >> 8; ecc[10] = bchpbr >> 16; ecc[11] = bchpbr >> 24; - bchpbr = readl(fmc2->io_base + FMC2_BCHPBR4); + bchpbr = readl(nfc->io_base + FMC2_BCHPBR4); ecc[12] = bchpbr; } - /* Disable ecc */ - stm32_fmc2_set_ecc(fmc2, false); + stm32_fmc2_nfc_set_ecc(nfc, false); return 0; } -/* BCH algorithm correction */ -static int stm32_fmc2_bch_correct(struct mtd_info *mtd, u8 *dat, - u8 *read_ecc, u8 *calc_ecc) +static int stm32_fmc2_nfc_bch_correct(struct mtd_info *mtd, u8 *dat, + u8 *read_ecc, u8 *calc_ecc) { struct nand_chip *chip = mtd_to_nand(mtd); - struct stm32_fmc2_nfc *fmc2 = to_stm32_nfc(chip->controller); + struct stm32_fmc2_nfc *nfc = to_stm32_nfc(chip->controller); u32 bchdsr0, bchdsr1, bchdsr2, bchdsr3, bchdsr4, bchisr; u16 pos[8]; int i, ret, den, eccsize = chip->ecc.size; unsigned int nb_errs = 0; /* Wait until the decoding error is ready */ - ret = readl_poll_timeout(fmc2->io_base + FMC2_BCHISR, bchisr, - bchisr & FMC2_BCHISR_DERF, 10000); + ret = readl_poll_timeout(nfc->io_base + FMC2_BCHISR, bchisr, + bchisr & FMC2_BCHISR_DERF, FMC2_TIMEOUT_5S); if (ret < 0) { pr_err("Bch timeout\n"); return ret; } - bchdsr0 = readl(fmc2->io_base + FMC2_BCHDSR0); - bchdsr1 = readl(fmc2->io_base + FMC2_BCHDSR1); - bchdsr2 = readl(fmc2->io_base + FMC2_BCHDSR2); - bchdsr3 = readl(fmc2->io_base + FMC2_BCHDSR3); - bchdsr4 = readl(fmc2->io_base + FMC2_BCHDSR4); + bchdsr0 = readl(nfc->io_base + FMC2_BCHDSR0); + bchdsr1 = readl(nfc->io_base + FMC2_BCHDSR1); + bchdsr2 = readl(nfc->io_base + FMC2_BCHDSR2); + bchdsr3 = readl(nfc->io_base + FMC2_BCHDSR3); + bchdsr4 = readl(nfc->io_base + FMC2_BCHDSR4); - /* Disable ECC */ - stm32_fmc2_set_ecc(fmc2, false); + stm32_fmc2_nfc_set_ecc(nfc, false); /* No errors found */ if (likely(!(bchdsr0 & FMC2_BCHDSR0_DEF))) @@ -508,16 +477,16 @@ static int stm32_fmc2_bch_correct(struct mtd_info *mtd, u8 *dat, if (unlikely(bchdsr0 & FMC2_BCHDSR0_DUE)) return -EBADMSG; - pos[0] = bchdsr1 & FMC2_BCHDSR1_EBP1_MASK; - pos[1] = (bchdsr1 & FMC2_BCHDSR1_EBP2_MASK) >> FMC2_BCHDSR1_EBP2_SHIFT; - pos[2] = bchdsr2 & FMC2_BCHDSR2_EBP3_MASK; - pos[3] = (bchdsr2 & FMC2_BCHDSR2_EBP4_MASK) >> FMC2_BCHDSR2_EBP4_SHIFT; - pos[4] = bchdsr3 & FMC2_BCHDSR3_EBP5_MASK; - pos[5] = (bchdsr3 & FMC2_BCHDSR3_EBP6_MASK) >> FMC2_BCHDSR3_EBP6_SHIFT; - pos[6] = bchdsr4 & FMC2_BCHDSR4_EBP7_MASK; - pos[7] = (bchdsr4 & FMC2_BCHDSR4_EBP8_MASK) >> FMC2_BCHDSR4_EBP8_SHIFT; + pos[0] = FIELD_GET(FMC2_BCHDSR1_EBP1, bchdsr1); + pos[1] = FIELD_GET(FMC2_BCHDSR1_EBP2, bchdsr1); + pos[2] = FIELD_GET(FMC2_BCHDSR2_EBP3, bchdsr2); + pos[3] = FIELD_GET(FMC2_BCHDSR2_EBP4, bchdsr2); + pos[4] = FIELD_GET(FMC2_BCHDSR3_EBP5, bchdsr3); + pos[5] = FIELD_GET(FMC2_BCHDSR3_EBP6, bchdsr3); + pos[6] = FIELD_GET(FMC2_BCHDSR4_EBP7, bchdsr4); + pos[7] = FIELD_GET(FMC2_BCHDSR4_EBP8, bchdsr4); - den = (bchdsr0 & FMC2_BCHDSR0_DEN_MASK) >> FMC2_BCHDSR0_DEN_SHIFT; + den = FIELD_GET(FMC2_BCHDSR0_DEN, bchdsr0); for (i = 0; i < den; i++) { if (pos[i] < eccsize * 8) { __change_bit(pos[i], (unsigned long *)dat); @@ -528,9 +497,9 @@ static int stm32_fmc2_bch_correct(struct mtd_info *mtd, u8 *dat, return nb_errs; } -static int stm32_fmc2_read_page(struct mtd_info *mtd, - struct nand_chip *chip, u8 *buf, - int oob_required, int page) +static int stm32_fmc2_nfc_read_page(struct mtd_info *mtd, + struct nand_chip *chip, u8 *buf, + int oob_required, int page) { int i, s, stat, eccsize = chip->ecc.size; int eccbytes = chip->ecc.bytes; @@ -579,21 +548,19 @@ static int stm32_fmc2_read_page(struct mtd_info *mtd, return max_bitflips; } -/* Controller initialization */ -static void stm32_fmc2_init(struct stm32_fmc2_nfc *fmc2) +static void stm32_fmc2_nfc_init(struct stm32_fmc2_nfc *nfc, bool has_parent) { - u32 pcr = readl(fmc2->io_base + FMC2_PCR); - u32 bcr1 = readl(fmc2->io_base + FMC2_BCR1); + u32 pcr = readl(nfc->io_base + FMC2_PCR); /* Set CS used to undefined */ - fmc2->cs_sel = -1; + nfc->cs_sel = -1; /* Enable wait feature and nand flash memory bank */ pcr |= FMC2_PCR_PWAITEN; pcr |= FMC2_PCR_PBKEN; /* Set buswidth to 8 bits mode for identification */ - pcr &= ~FMC2_PCR_PWID_MASK; + pcr &= ~FMC2_PCR_PWID; /* ECC logic is disabled */ pcr &= ~FMC2_PCR_ECCEN; @@ -604,32 +571,31 @@ static void stm32_fmc2_init(struct stm32_fmc2_nfc *fmc2) pcr &= ~FMC2_PCR_WEN; /* Set default ECC sector size */ - pcr &= ~FMC2_PCR_ECCSS_MASK; - pcr |= FMC2_PCR_ECCSS(FMC2_PCR_ECCSS_2048); + pcr &= ~FMC2_PCR_ECCSS; + pcr |= FIELD_PREP(FMC2_PCR_ECCSS, FMC2_PCR_ECCSS_2048); /* Set default tclr/tar timings */ - pcr &= ~FMC2_PCR_TCLR_MASK; - pcr |= FMC2_PCR_TCLR(FMC2_PCR_TCLR_DEFAULT); - pcr &= ~FMC2_PCR_TAR_MASK; - pcr |= FMC2_PCR_TAR(FMC2_PCR_TAR_DEFAULT); + pcr &= ~FMC2_PCR_TCLR; + pcr |= FIELD_PREP(FMC2_PCR_TCLR, FMC2_PCR_TCLR_DEFAULT); + pcr &= ~FMC2_PCR_TAR; + pcr |= FIELD_PREP(FMC2_PCR_TAR, FMC2_PCR_TAR_DEFAULT); /* Enable FMC2 controller */ - bcr1 |= FMC2_BCR1_FMC2EN; + if (!has_parent) + setbits_le32(nfc->io_base + FMC2_BCR1, FMC2_BCR1_FMC2EN); - writel(bcr1, fmc2->io_base + FMC2_BCR1); - writel(pcr, fmc2->io_base + FMC2_PCR); - writel(FMC2_PMEM_DEFAULT, fmc2->io_base + FMC2_PMEM); - writel(FMC2_PATT_DEFAULT, fmc2->io_base + FMC2_PATT); + writel(pcr, nfc->io_base + FMC2_PCR); + writel(FMC2_PMEM_DEFAULT, nfc->io_base + FMC2_PMEM); + writel(FMC2_PATT_DEFAULT, nfc->io_base + FMC2_PATT); } -/* Controller timings */ -static void stm32_fmc2_calc_timings(struct nand_chip *chip, - const struct nand_sdr_timings *sdrt) +static void stm32_fmc2_nfc_calc_timings(struct nand_chip *chip, + const struct nand_sdr_timings *sdrt) { - struct stm32_fmc2_nfc *fmc2 = to_stm32_nfc(chip->controller); + struct stm32_fmc2_nfc *nfc = to_stm32_nfc(chip->controller); struct stm32_fmc2_nand *nand = to_fmc2_nand(chip); struct stm32_fmc2_timings *tims = &nand->timings; - unsigned long hclk = clk_get_rate(&fmc2->clk); + unsigned long hclk = clk_get_rate(&nfc->clk); unsigned long hclkp = FMC2_NSEC_PER_SEC / (hclk / 1000); unsigned long timing, tar, tclr, thiz, twait; unsigned long tset_mem, tset_att, thold_mem, thold_att; @@ -753,31 +719,28 @@ static void stm32_fmc2_calc_timings(struct nand_chip *chip, tims->thold_att = clamp_val(timing, 1, FMC2_PMEM_PATT_TIMING_MASK); } -static int stm32_fmc2_setup_interface(struct mtd_info *mtd, int chipnr, - const struct nand_data_interface *conf) +static int stm32_fmc2_nfc_setup_interface(struct mtd_info *mtd, int chipnr, + const struct nand_data_interface *cf) { struct nand_chip *chip = mtd_to_nand(mtd); const struct nand_sdr_timings *sdrt; - sdrt = nand_get_sdr_timings(conf); + sdrt = nand_get_sdr_timings(cf); if (IS_ERR(sdrt)) return PTR_ERR(sdrt); if (chipnr == NAND_DATA_IFACE_CHECK_ONLY) return 0; - stm32_fmc2_calc_timings(chip, sdrt); - - /* Apply timings */ - stm32_fmc2_timings_init(chip); + stm32_fmc2_nfc_calc_timings(chip, sdrt); + stm32_fmc2_nfc_timings_init(chip); return 0; } -/* NAND callbacks setup */ -static void stm32_fmc2_nand_callbacks_setup(struct nand_chip *chip) +static void stm32_fmc2_nfc_nand_callbacks_setup(struct nand_chip *chip) { - chip->ecc.hwctl = stm32_fmc2_hwctl; + chip->ecc.hwctl = stm32_fmc2_nfc_hwctl; /* * Specific callbacks to read/write a page depending on @@ -785,17 +748,17 @@ static void stm32_fmc2_nand_callbacks_setup(struct nand_chip *chip) */ if (chip->ecc.strength == FMC2_ECC_HAM) { /* Hamming is used */ - chip->ecc.calculate = stm32_fmc2_ham_calculate; - chip->ecc.correct = stm32_fmc2_ham_correct; + chip->ecc.calculate = stm32_fmc2_nfc_ham_calculate; + chip->ecc.correct = stm32_fmc2_nfc_ham_correct; chip->ecc.bytes = chip->options & NAND_BUSWIDTH_16 ? 4 : 3; chip->ecc.options |= NAND_ECC_GENERIC_ERASED_CHECK; return; } /* BCH is used */ - chip->ecc.read_page = stm32_fmc2_read_page; - chip->ecc.calculate = stm32_fmc2_bch_calculate; - chip->ecc.correct = stm32_fmc2_bch_correct; + chip->ecc.read_page = stm32_fmc2_nfc_read_page; + chip->ecc.calculate = stm32_fmc2_nfc_bch_calculate; + chip->ecc.correct = stm32_fmc2_nfc_bch_correct; if (chip->ecc.strength == FMC2_ECC_BCH8) chip->ecc.bytes = chip->options & NAND_BUSWIDTH_16 ? 14 : 13; @@ -803,8 +766,7 @@ static void stm32_fmc2_nand_callbacks_setup(struct nand_chip *chip) chip->ecc.bytes = chip->options & NAND_BUSWIDTH_16 ? 8 : 7; } -/* FMC2 caps */ -static int stm32_fmc2_calc_ecc_bytes(int step_size, int strength) +static int stm32_fmc2_nfc_calc_ecc_bytes(int step_size, int strength) { /* Hamming */ if (strength == FMC2_ECC_HAM) @@ -818,15 +780,13 @@ static int stm32_fmc2_calc_ecc_bytes(int step_size, int strength) return 8; } -NAND_ECC_CAPS_SINGLE(stm32_fmc2_ecc_caps, stm32_fmc2_calc_ecc_bytes, +NAND_ECC_CAPS_SINGLE(stm32_fmc2_nfc_ecc_caps, stm32_fmc2_nfc_calc_ecc_bytes, FMC2_ECC_STEP_SIZE, FMC2_ECC_HAM, FMC2_ECC_BCH4, FMC2_ECC_BCH8); -/* FMC2 probe */ -static int stm32_fmc2_parse_child(struct stm32_fmc2_nfc *fmc2, - ofnode node) +static int stm32_fmc2_nfc_parse_child(struct stm32_fmc2_nfc *nfc, ofnode node) { - struct stm32_fmc2_nand *nand = &fmc2->nand; + struct stm32_fmc2_nand *nand = &nfc->nand; u32 cs[FMC2_MAX_CE]; int ret, i; @@ -846,19 +806,19 @@ static int stm32_fmc2_parse_child(struct stm32_fmc2_nfc *fmc2, } for (i = 0; i < nand->ncs; i++) { - if (cs[i] > FMC2_MAX_CE) { + if (cs[i] >= FMC2_MAX_CE) { pr_err("Invalid reg value: %d\n", nand->cs_used[i]); return -EINVAL; } - if (fmc2->cs_assigned & BIT(cs[i])) { + if (nfc->cs_assigned & BIT(cs[i])) { pr_err("Cs already assigned: %d\n", nand->cs_used[i]); return -EINVAL; } - fmc2->cs_assigned |= BIT(cs[i]); + nfc->cs_assigned |= BIT(cs[i]); nand->cs_used[i] = cs[i]; } @@ -867,8 +827,8 @@ static int stm32_fmc2_parse_child(struct stm32_fmc2_nfc *fmc2, return 0; } -static int stm32_fmc2_parse_dt(struct udevice *dev, - struct stm32_fmc2_nfc *fmc2) +static int stm32_fmc2_nfc_parse_dt(struct udevice *dev, + struct stm32_fmc2_nfc *nfc) { ofnode child; int ret, nchips = 0; @@ -887,7 +847,7 @@ static int stm32_fmc2_parse_dt(struct udevice *dev, } dev_for_each_subnode(child, dev) { - ret = stm32_fmc2_parse_child(fmc2, child); + ret = stm32_fmc2_nfc_parse_child(nfc, child); if (ret) return ret; } @@ -895,69 +855,98 @@ static int stm32_fmc2_parse_dt(struct udevice *dev, return 0; } -static int stm32_fmc2_probe(struct udevice *dev) +static struct udevice *stm32_fmc2_nfc_get_cdev(struct udevice *dev) { - struct stm32_fmc2_nfc *fmc2 = dev_get_priv(dev); - struct stm32_fmc2_nand *nand = &fmc2->nand; + struct udevice *pdev = dev_get_parent(dev); + struct udevice *cdev = NULL; + bool ebi_found = false; + + if (pdev && ofnode_device_is_compatible(dev_ofnode(pdev), + "st,stm32mp1-fmc2-ebi")) + ebi_found = true; + + if (ofnode_device_is_compatible(dev_ofnode(dev), + "st,stm32mp1-fmc2-nfc")) { + if (ebi_found) + cdev = pdev; + + return cdev; + } + + if (!ebi_found) + cdev = dev; + + return cdev; +} + +static int stm32_fmc2_nfc_probe(struct udevice *dev) +{ + struct stm32_fmc2_nfc *nfc = dev_get_priv(dev); + struct stm32_fmc2_nand *nand = &nfc->nand; struct nand_chip *chip = &nand->chip; struct mtd_info *mtd = &chip->mtd; struct nand_ecclayout *ecclayout; - struct resource resource; + struct udevice *cdev; struct reset_ctl reset; int oob_index, chip_cs, mem_region, ret; unsigned int i; + int start_region = 0; + fdt_addr_t addr; + + spin_lock_init(&nfc->controller.lock); + init_waitqueue_head(&nfc->controller.wq); - spin_lock_init(&fmc2->controller.lock); - init_waitqueue_head(&fmc2->controller.wq); + cdev = stm32_fmc2_nfc_get_cdev(dev); + if (!cdev) + return -EINVAL; - ret = stm32_fmc2_parse_dt(dev, fmc2); + ret = stm32_fmc2_nfc_parse_dt(dev, nfc); if (ret) return ret; - /* Get resources */ - ret = dev_read_resource(dev, 0, &resource); - if (ret) { - pr_err("Resource io_base not found"); - return ret; - } - fmc2->io_base = (void __iomem *)resource.start; + nfc->io_base = dev_read_addr(cdev); + if (nfc->io_base == FDT_ADDR_T_NONE) + return -EINVAL; + + if (dev == cdev) + start_region = 1; - for (chip_cs = 0, mem_region = 1; chip_cs < FMC2_MAX_CE; + for (chip_cs = 0, mem_region = start_region; chip_cs < FMC2_MAX_CE; chip_cs++, mem_region += 3) { - if (!(fmc2->cs_assigned & BIT(chip_cs))) + if (!(nfc->cs_assigned & BIT(chip_cs))) continue; - ret = dev_read_resource(dev, mem_region, &resource); - if (ret) { + addr = dev_read_addr_index(dev, mem_region); + if (addr == FDT_ADDR_T_NONE) { pr_err("Resource data_base not found for cs%d", chip_cs); return ret; } - fmc2->data_base[chip_cs] = (void __iomem *)resource.start; + nfc->data_base[chip_cs] = addr; - ret = dev_read_resource(dev, mem_region + 1, &resource); - if (ret) { + addr = dev_read_addr_index(dev, mem_region + 1); + if (addr == FDT_ADDR_T_NONE) { pr_err("Resource cmd_base not found for cs%d", chip_cs); return ret; } - fmc2->cmd_base[chip_cs] = (void __iomem *)resource.start; + nfc->cmd_base[chip_cs] = addr; - ret = dev_read_resource(dev, mem_region + 2, &resource); - if (ret) { + addr = dev_read_addr_index(dev, mem_region + 2); + if (addr == FDT_ADDR_T_NONE) { pr_err("Resource addr_base not found for cs%d", chip_cs); return ret; } - fmc2->addr_base[chip_cs] = (void __iomem *)resource.start; + nfc->addr_base[chip_cs] = addr; } /* Enable the clock */ - ret = clk_get_by_index(dev, 0, &fmc2->clk); + ret = clk_get_by_index(cdev, 0, &nfc->clk); if (ret) return ret; - ret = clk_enable(&fmc2->clk); + ret = clk_enable(&nfc->clk); if (ret) return ret; @@ -969,13 +958,12 @@ static int stm32_fmc2_probe(struct udevice *dev) reset_deassert(&reset); } - /* FMC2 init routine */ - stm32_fmc2_init(fmc2); + stm32_fmc2_nfc_init(nfc, dev != cdev); - chip->controller = &fmc2->base; - chip->select_chip = stm32_fmc2_select_chip; - chip->setup_data_interface = stm32_fmc2_setup_interface; - chip->cmd_ctrl = stm32_fmc2_cmd_ctrl; + chip->controller = &nfc->base; + chip->select_chip = stm32_fmc2_nfc_select_chip; + chip->setup_data_interface = stm32_fmc2_nfc_setup_interface; + chip->cmd_ctrl = stm32_fmc2_nfc_cmd_ctrl; chip->chip_delay = FMC2_RB_DELAY_US; chip->options |= NAND_BUSWIDTH_AUTO | NAND_NO_SUBPAGE_WRITE | NAND_USE_BOUNCE_BUFFER; @@ -985,7 +973,6 @@ static int stm32_fmc2_probe(struct udevice *dev) chip->ecc.size = FMC2_ECC_STEP_SIZE; chip->ecc.strength = FMC2_ECC_BCH8; - /* Scan to find existence of the device */ ret = nand_scan_ident(mtd, nand->ncs, NULL); if (ret) return ret; @@ -1002,7 +989,7 @@ static int stm32_fmc2_probe(struct udevice *dev) return -EINVAL; } - ret = nand_check_ecc_caps(chip, &stm32_fmc2_ecc_caps, + ret = nand_check_ecc_caps(chip, &stm32_fmc2_nfc_ecc_caps, mtd->oobsize - FMC2_BBM_LEN); if (ret) { pr_err("No valid ECC settings set\n"); @@ -1012,11 +999,10 @@ static int stm32_fmc2_probe(struct udevice *dev) if (chip->bbt_options & NAND_BBT_USE_FLASH) chip->bbt_options |= NAND_BBT_NO_OOB; - /* NAND callbacks setup */ - stm32_fmc2_nand_callbacks_setup(chip); + stm32_fmc2_nfc_nand_callbacks_setup(chip); /* Define ECC layout */ - ecclayout = &fmc2->ecclayout; + ecclayout = &nfc->ecclayout; ecclayout->eccbytes = chip->ecc.bytes * (mtd->writesize / chip->ecc.size); oob_index = FMC2_BBM_LEN; @@ -1026,11 +1012,9 @@ static int stm32_fmc2_probe(struct udevice *dev) ecclayout->oobfree->length = mtd->oobsize - ecclayout->oobfree->offset; chip->ecc.layout = ecclayout; - /* Configure bus width to 16-bit */ if (chip->options & NAND_BUSWIDTH_16) - stm32_fmc2_set_buswidth_16(fmc2, true); + stm32_fmc2_nfc_set_buswidth_16(nfc, true); - /* Scan the device to fill MTD data-structures */ ret = nand_scan_tail(mtd); if (ret) return ret; @@ -1038,16 +1022,17 @@ static int stm32_fmc2_probe(struct udevice *dev) return nand_register(0, mtd); } -static const struct udevice_id stm32_fmc2_match[] = { +static const struct udevice_id stm32_fmc2_nfc_match[] = { { .compatible = "st,stm32mp15-fmc2" }, + { .compatible = "st,stm32mp1-fmc2-nfc" }, { /* Sentinel */ } }; -U_BOOT_DRIVER(stm32_fmc2_nand) = { - .name = "stm32_fmc2_nand", +U_BOOT_DRIVER(stm32_fmc2_nfc) = { + .name = "stm32_fmc2_nfc", .id = UCLASS_MTD, - .of_match = stm32_fmc2_match, - .probe = stm32_fmc2_probe, + .of_match = stm32_fmc2_nfc_match, + .probe = stm32_fmc2_nfc_probe, .priv_auto_alloc_size = sizeof(struct stm32_fmc2_nfc), }; @@ -1057,9 +1042,9 @@ void board_nand_init(void) int ret; ret = uclass_get_device_by_driver(UCLASS_MTD, - DM_GET_DRIVER(stm32_fmc2_nand), + DM_GET_DRIVER(stm32_fmc2_nfc), &dev); if (ret && ret != -ENODEV) - pr_err("Failed to initialize STM32 FMC2 NAND controller. (error %d)\n", + pr_err("Failed to initialize STM32 FMC2 NFC controller. (error %d)\n", ret); } diff --git a/drivers/usb/host/dwc3-sti-glue.c b/drivers/usb/host/dwc3-sti-glue.c index a72ab20168..3e6c1429d6 100644 --- a/drivers/usb/host/dwc3-sti-glue.c +++ b/drivers/usb/host/dwc3-sti-glue.c @@ -159,7 +159,7 @@ static int sti_dwc3_glue_bind(struct udevice *dev) dwc3_node = node; } - if (!ofnode_valid(node)) { + if (!ofnode_valid(dwc3_node)) { pr_err("Can't find dwc3 subnode for %s\n", dev->name); return -ENODEV; } |