diff options
author | Tom Rini <trini@konsulko.com> | 2021-10-12 12:01:00 -0400 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2021-10-12 12:01:00 -0400 |
commit | 776bf6a5457eb0c61c367d1ee7e45733a1c72ed6 (patch) | |
tree | 032e8983decd749542208b52e935564aea0558a2 /drivers | |
parent | 618c77d99a23c72b16e31a7380b6f3b96e6dfa40 (diff) | |
parent | 39bd2c8e1aa9143c22f1fd20d054fc895a0880d2 (diff) | |
download | u-boot-776bf6a5457eb0c61c367d1ee7e45733a1c72ed6.zip u-boot-776bf6a5457eb0c61c367d1ee7e45733a1c72ed6.tar.gz u-boot-776bf6a5457eb0c61c367d1ee7e45733a1c72ed6.tar.bz2 |
Merge tag 'u-boot-stm32-20211012' of https://source.denx.de/u-boot/custodians/u-boot-stm
- Disable ATAGS for STM32 MCU and MPU boards
- Disable bi_boot_params for STM32 MCU and MPU boards
- Update stm32-usbphyc node management
- Convert CONFIG_STM32_FLASH to Kconfig for STM32 MCU boards
- Convert some USB config flags to Kconfig for various boards
- Convert CONFIG_BOOTCOMMAND flag to Kconfig for STM32 F429 board
- Remove specific CONFIG_STV0991 flags
- Remove unused CONFIG_USER_LOWLEVEL_INIT flag
- Add ofdata_to_platdata() callback for stm32_spi driver
- Update for stm32f7_i2c driver
- Remove gpio_hog_probe_all() from STM32 MP1 board
- Fix bind command
Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/core/device.c | 2 | ||||
-rw-r--r-- | drivers/core/lists.c | 4 | ||||
-rw-r--r-- | drivers/core/root.c | 2 | ||||
-rw-r--r-- | drivers/i2c/stm32f7_i2c.c | 91 | ||||
-rw-r--r-- | drivers/misc/imx8/scu.c | 2 | ||||
-rw-r--r-- | drivers/mtd/Kconfig | 7 | ||||
-rw-r--r-- | drivers/phy/phy-stm32-usbphyc.c | 34 | ||||
-rw-r--r-- | drivers/serial/serial-uclass.c | 2 | ||||
-rw-r--r-- | drivers/spi/stm32_spi.c | 224 | ||||
-rw-r--r-- | drivers/timer/timer-uclass.c | 2 | ||||
-rw-r--r-- | drivers/usb/gadget/gadget_chips.h | 8 | ||||
-rw-r--r-- | drivers/usb/host/usb-sandbox.c | 28 |
12 files changed, 253 insertions, 153 deletions
diff --git a/drivers/core/device.c b/drivers/core/device.c index 42ba2dc..d7a778a 100644 --- a/drivers/core/device.c +++ b/drivers/core/device.c @@ -1135,7 +1135,7 @@ int dev_enable_by_path(const char *path) if (ret) return ret; - return lists_bind_fdt(parent, node, NULL, false); + return lists_bind_fdt(parent, node, NULL, NULL, false); } #endif diff --git a/drivers/core/lists.c b/drivers/core/lists.c index 350b9d3..5d4f2ea 100644 --- a/drivers/core/lists.c +++ b/drivers/core/lists.c @@ -182,7 +182,7 @@ static int driver_check_compatible(const struct udevice_id *of_match, } int lists_bind_fdt(struct udevice *parent, ofnode node, struct udevice **devp, - bool pre_reloc_only) + struct driver *drv, bool pre_reloc_only) { struct driver *driver = ll_entry_start(struct driver, driver); const int n_ents = ll_entry_count(struct driver, driver); @@ -225,6 +225,8 @@ int lists_bind_fdt(struct udevice *parent, ofnode node, struct udevice **devp, for (entry = driver; entry != driver + n_ents; entry++) { ret = driver_check_compatible(entry->of_match, &id, compat); + if ((drv) && (drv == entry)) + break; if (!ret) break; } diff --git a/drivers/core/root.c b/drivers/core/root.c index fecdcb5..26b8195 100644 --- a/drivers/core/root.c +++ b/drivers/core/root.c @@ -276,7 +276,7 @@ static int dm_scan_fdt_node(struct udevice *parent, ofnode parent_node, pr_debug(" - ignoring disabled device\n"); continue; } - err = lists_bind_fdt(parent, node, NULL, pre_reloc_only); + err = lists_bind_fdt(parent, node, NULL, NULL, pre_reloc_only); if (err && !ret) { ret = err; debug("%s: ret=%d\n", node_name, ret); diff --git a/drivers/i2c/stm32f7_i2c.c b/drivers/i2c/stm32f7_i2c.c index 7b04a09..c6ae65b 100644 --- a/drivers/i2c/stm32f7_i2c.c +++ b/drivers/i2c/stm32f7_i2c.c @@ -45,6 +45,8 @@ struct stm32_i2c_regs { /* STM32 I2C control 1 */ #define STM32_I2C_CR1_ANFOFF BIT(12) +#define STM32_I2C_CR1_DNF_MASK GENMASK(11, 8) +#define STM32_I2C_CR1_DNF(n) (((n) & 0xf) << 8) #define STM32_I2C_CR1_ERRIE BIT(7) #define STM32_I2C_CR1_TCIE BIT(6) #define STM32_I2C_CR1_STOPIE BIT(5) @@ -105,10 +107,8 @@ struct stm32_i2c_regs { #define STM32_I2C_MAX_LEN 0xff -#define STM32_I2C_DNF_DEFAULT 0 -#define STM32_I2C_DNF_MAX 16 +#define STM32_I2C_DNF_MAX 15 -#define STM32_I2C_ANALOG_FILTER_ENABLE 1 #define STM32_I2C_ANALOG_FILTER_DELAY_MIN 50 /* ns */ #define STM32_I2C_ANALOG_FILTER_DELAY_MAX 260 /* ns */ @@ -156,9 +156,8 @@ struct stm32_i2c_spec { * @clock_src: I2C clock source frequency (Hz) * @rise_time: Rise time (ns) * @fall_time: Fall time (ns) - * @dnf: Digital filter coefficient (0-16) + * @dnf: value of digital filter to apply * @analog_filter: Analog filter delay (On/Off) - * @fmp_clr_offset: Fast Mode Plus clear register offset from set register */ struct stm32_i2c_setup { u32 speed_freq; @@ -167,6 +166,13 @@ struct stm32_i2c_setup { u32 fall_time; u8 dnf; bool analog_filter; +}; + +/** + * struct stm32_i2c_data - driver data for I2C configuration by compatible + * @fmp_clr_offset: Fast Mode Plus clear register offset from set register + */ +struct stm32_i2c_data { u32 fmp_clr_offset; }; @@ -197,16 +203,18 @@ struct stm32_i2c_timings { * @regmap_sreg: register address for setting Fast Mode Plus bits * @regmap_creg: register address for clearing Fast Mode Plus bits * @regmap_mask: mask for Fast Mode Plus bits + * @dnf_dt: value of digital filter requested via dt */ struct stm32_i2c_priv { struct stm32_i2c_regs *regs; struct clk clk; - struct stm32_i2c_setup *setup; + struct stm32_i2c_setup setup; u32 speed; struct regmap *regmap; u32 regmap_sreg; u32 regmap_creg; u32 regmap_mask; + u32 dnf_dt; }; static const struct stm32_i2c_spec i2c_specs[] = { @@ -251,18 +259,11 @@ static const struct stm32_i2c_spec i2c_specs[] = { }, }; -static const struct stm32_i2c_setup stm32f7_setup = { - .rise_time = STM32_I2C_RISE_TIME_DEFAULT, - .fall_time = STM32_I2C_FALL_TIME_DEFAULT, - .dnf = STM32_I2C_DNF_DEFAULT, - .analog_filter = STM32_I2C_ANALOG_FILTER_ENABLE, +static const struct stm32_i2c_data stm32f7_data = { + .fmp_clr_offset = 0x00, }; -static const struct stm32_i2c_setup stm32mp15_setup = { - .rise_time = STM32_I2C_RISE_TIME_DEFAULT, - .fall_time = STM32_I2C_FALL_TIME_DEFAULT, - .dnf = STM32_I2C_DNF_DEFAULT, - .analog_filter = STM32_I2C_ANALOG_FILTER_ENABLE, +static const struct stm32_i2c_data stm32mp15_data = { .fmp_clr_offset = 0x40, }; @@ -506,14 +507,13 @@ static int stm32_i2c_xfer(struct udevice *bus, struct i2c_msg *msg, return 0; } -static int stm32_i2c_compute_solutions(struct stm32_i2c_setup *setup, +static int stm32_i2c_compute_solutions(u32 i2cclk, + struct stm32_i2c_setup *setup, const struct stm32_i2c_spec *specs, struct list_head *solutions) { struct stm32_i2c_timings *v; u32 p_prev = STM32_PRESC_MAX; - u32 i2cclk = DIV_ROUND_CLOSEST(STM32_NSEC_PER_SEC, - setup->clock_src); u32 af_delay_min, af_delay_max; u16 p, l, a; int sdadel_min, sdadel_max, scldel_min; @@ -581,7 +581,8 @@ static int stm32_i2c_compute_solutions(struct stm32_i2c_setup *setup, return ret; } -static int stm32_i2c_choose_solution(struct stm32_i2c_setup *setup, +static int stm32_i2c_choose_solution(u32 i2cclk, + struct stm32_i2c_setup *setup, const struct stm32_i2c_spec *specs, struct list_head *solutions, struct stm32_i2c_timings *s) @@ -590,8 +591,6 @@ static int stm32_i2c_choose_solution(struct stm32_i2c_setup *setup, u32 i2cbus = DIV_ROUND_CLOSEST(STM32_NSEC_PER_SEC, setup->speed_freq); u32 clk_error_prev = i2cbus; - u32 i2cclk = DIV_ROUND_CLOSEST(STM32_NSEC_PER_SEC, - setup->clock_src); u32 clk_min, clk_max; u32 af_delay_min; u32 dnf_delay; @@ -678,12 +677,13 @@ static const struct stm32_i2c_spec *get_specs(u32 rate) } static int stm32_i2c_compute_timing(struct stm32_i2c_priv *i2c_priv, - struct stm32_i2c_setup *setup, struct stm32_i2c_timings *output) { + struct stm32_i2c_setup *setup = &i2c_priv->setup; const struct stm32_i2c_spec *specs; struct stm32_i2c_timings *v, *_v; struct list_head solutions; + u32 i2cclk = DIV_ROUND_CLOSEST(STM32_NSEC_PER_SEC, setup->clock_src); int ret; specs = get_specs(setup->speed_freq); @@ -701,6 +701,8 @@ static int stm32_i2c_compute_timing(struct stm32_i2c_priv *i2c_priv, return -EINVAL; } + /* Analog and Digital Filters */ + setup->dnf = DIV_ROUND_CLOSEST(i2c_priv->dnf_dt, i2cclk); if (setup->dnf > STM32_I2C_DNF_MAX) { log_err("DNF out of bound %d/%d\n", setup->dnf, STM32_I2C_DNF_MAX); @@ -708,11 +710,11 @@ static int stm32_i2c_compute_timing(struct stm32_i2c_priv *i2c_priv, } INIT_LIST_HEAD(&solutions); - ret = stm32_i2c_compute_solutions(setup, specs, &solutions); + ret = stm32_i2c_compute_solutions(i2cclk, setup, specs, &solutions); if (ret) goto exit; - ret = stm32_i2c_choose_solution(setup, specs, &solutions, output); + ret = stm32_i2c_choose_solution(i2cclk, setup, specs, &solutions, output); if (ret) goto exit; @@ -745,7 +747,7 @@ static u32 get_lower_rate(u32 rate) static int stm32_i2c_setup_timing(struct stm32_i2c_priv *i2c_priv, struct stm32_i2c_timings *timing) { - struct stm32_i2c_setup *setup = i2c_priv->setup; + struct stm32_i2c_setup *setup = &i2c_priv->setup; int ret = 0; setup->speed_freq = i2c_priv->speed; @@ -757,7 +759,7 @@ static int stm32_i2c_setup_timing(struct stm32_i2c_priv *i2c_priv, } do { - ret = stm32_i2c_compute_timing(i2c_priv, setup, timing); + ret = stm32_i2c_compute_timing(i2c_priv, timing); if (ret) { log_debug("failed to compute I2C timings.\n"); if (setup->speed_freq > I2C_SPEED_STANDARD_RATE) { @@ -839,10 +841,15 @@ static int stm32_i2c_hw_config(struct stm32_i2c_priv *i2c_priv) writel(timing, ®s->timingr); /* Enable I2C */ - if (i2c_priv->setup->analog_filter) + if (i2c_priv->setup.analog_filter) clrbits_le32(®s->cr1, STM32_I2C_CR1_ANFOFF); else setbits_le32(®s->cr1, STM32_I2C_CR1_ANFOFF); + + /* Program the Digital Filter */ + clrsetbits_le32(®s->cr1, STM32_I2C_CR1_DNF_MASK, + STM32_I2C_CR1_DNF(i2c_priv->setup.dnf)); + setbits_le32(®s->cr1, STM32_I2C_CR1_PE); return 0; @@ -903,21 +910,26 @@ clk_free: static int stm32_of_to_plat(struct udevice *dev) { + const struct stm32_i2c_data *data; struct stm32_i2c_priv *i2c_priv = dev_get_priv(dev); u32 rise_time, fall_time; int ret; - i2c_priv->setup = (struct stm32_i2c_setup *)dev_get_driver_data(dev); - if (!i2c_priv->setup) + data = (const struct stm32_i2c_data *)dev_get_driver_data(dev); + if (!data) return -EINVAL; - rise_time = dev_read_u32_default(dev, "i2c-scl-rising-time-ns", 0); - if (rise_time) - i2c_priv->setup->rise_time = rise_time; + rise_time = dev_read_u32_default(dev, "i2c-scl-rising-time-ns", + STM32_I2C_RISE_TIME_DEFAULT); + + fall_time = dev_read_u32_default(dev, "i2c-scl-falling-time-ns", + STM32_I2C_FALL_TIME_DEFAULT); + + i2c_priv->dnf_dt = dev_read_u32_default(dev, "i2c-digital-filter-width-ns", 0); + if (!dev_read_bool(dev, "i2c-digital-filter")) + i2c_priv->dnf_dt = 0; - fall_time = dev_read_u32_default(dev, "i2c-scl-falling-time-ns", 0); - if (fall_time) - i2c_priv->setup->fall_time = fall_time; + i2c_priv->setup.analog_filter = dev_read_bool(dev, "i2c-analog-filter"); /* Optional */ i2c_priv->regmap = syscon_regmap_lookup_by_phandle(dev, @@ -930,8 +942,7 @@ static int stm32_of_to_plat(struct udevice *dev) return ret; i2c_priv->regmap_sreg = fmp[1]; - i2c_priv->regmap_creg = fmp[1] + - i2c_priv->setup->fmp_clr_offset; + i2c_priv->regmap_creg = fmp[1] + data->fmp_clr_offset; i2c_priv->regmap_mask = fmp[2]; } @@ -944,8 +955,8 @@ static const struct dm_i2c_ops stm32_i2c_ops = { }; static const struct udevice_id stm32_i2c_of_match[] = { - { .compatible = "st,stm32f7-i2c", .data = (ulong)&stm32f7_setup }, - { .compatible = "st,stm32mp15-i2c", .data = (ulong)&stm32mp15_setup }, + { .compatible = "st,stm32f7-i2c", .data = (ulong)&stm32f7_data }, + { .compatible = "st,stm32mp15-i2c", .data = (ulong)&stm32mp15_data }, {} }; diff --git a/drivers/misc/imx8/scu.c b/drivers/misc/imx8/scu.c index 035a600..4ab5cb4 100644 --- a/drivers/misc/imx8/scu.c +++ b/drivers/misc/imx8/scu.c @@ -219,7 +219,7 @@ static int imx8_scu_bind(struct udevice *dev) debug("%s(dev=%p)\n", __func__, dev); ofnode_for_each_subnode(node, dev_ofnode(dev)) { - ret = lists_bind_fdt(dev, node, &child, true); + ret = lists_bind_fdt(dev, node, &child, NULL, true); if (ret) return ret; debug("bind child dev %s\n", child->name); diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig index 83c055a..a9c8c48 100644 --- a/drivers/mtd/Kconfig +++ b/drivers/mtd/Kconfig @@ -109,6 +109,13 @@ config HBMC_AM654 This is the driver for HyperBus controller on TI's AM65x and other SoCs +config STM32_FLASH + bool "STM32 MCU Flash driver" + depends on ARCH_STM32 + help + This is the driver of embedded flash for some STMicroelectronics + STM32 MCU. + source "drivers/mtd/nand/Kconfig" config SYS_NAND_MAX_CHIPS diff --git a/drivers/phy/phy-stm32-usbphyc.c b/drivers/phy/phy-stm32-usbphyc.c index 02d859a..9c1dcfa 100644 --- a/drivers/phy/phy-stm32-usbphyc.c +++ b/drivers/phy/phy-stm32-usbphyc.c @@ -339,8 +339,8 @@ static int stm32_usbphyc_probe(struct udevice *dev) { struct stm32_usbphyc *usbphyc = dev_get_priv(dev); struct reset_ctl reset; - ofnode node; - int i, ret; + ofnode node, connector; + int ret; usbphyc->base = dev_read_addr(dev); if (usbphyc->base == FDT_ADDR_T_NONE) @@ -378,14 +378,18 @@ static int stm32_usbphyc_probe(struct udevice *dev) return ret; } - /* - * parse all PHY subnodes in order to populate regulator associated - * to each PHY port - */ - node = dev_read_first_subnode(dev); - for (i = 0; i < MAX_PHYS; i++) { - struct stm32_usbphyc_phy *usbphyc_phy = usbphyc->phys + i; + /* parse all PHY subnodes to populate regulator associated to each PHY port */ + dev_for_each_subnode(node, dev) { + fdt_addr_t phy_id; + struct stm32_usbphyc_phy *usbphyc_phy; + phy_id = ofnode_read_u32_default(node, "reg", FDT_ADDR_T_NONE); + if (phy_id >= MAX_PHYS) { + dev_err(dev, "invalid reg value %lx for %s\n", + phy_id, ofnode_get_name(node)); + return -ENOENT; + } + usbphyc_phy = usbphyc->phys + phy_id; usbphyc_phy->init = false; usbphyc_phy->powered = false; ret = stm32_usbphyc_get_regulator(node, "phy-supply", @@ -395,12 +399,12 @@ static int stm32_usbphyc_probe(struct udevice *dev) return ret; } - ret = stm32_usbphyc_get_regulator(node, "vbus-supply", - &usbphyc_phy->vbus); - if (ret) - usbphyc_phy->vbus = NULL; - - node = dev_read_next_subnode(node); + usbphyc_phy->vbus = NULL; + connector = ofnode_find_subnode(node, "connector"); + if (ofnode_valid(connector)) { + ret = stm32_usbphyc_get_regulator(connector, "vbus-supply", + &usbphyc_phy->vbus); + } } /* Check if second port has to be used for host controller */ diff --git a/drivers/serial/serial-uclass.c b/drivers/serial/serial-uclass.c index 57a7848..30d4421 100644 --- a/drivers/serial/serial-uclass.c +++ b/drivers/serial/serial-uclass.c @@ -65,7 +65,7 @@ static int serial_check_stdout(const void *blob, struct udevice **devp) * anyway. */ if (node > 0 && !lists_bind_fdt(gd->dm_root, offset_to_ofnode(node), - devp, false)) { + devp, NULL, false)) { if (!device_probe(*devp)) return 0; } diff --git a/drivers/spi/stm32_spi.c b/drivers/spi/stm32_spi.c index bd85140..fe5419e 100644 --- a/drivers/spi/stm32_spi.c +++ b/drivers/spi/stm32_spi.c @@ -97,11 +97,14 @@ #define SPI_SIMPLEX_RX 2 #define SPI_HALF_DUPLEX 3 -struct stm32_spi_priv { +struct stm32_spi_plat { void __iomem *base; struct clk clk; struct reset_ctl rst_ctl; struct gpio_desc cs_gpios[MAX_CS_COUNT]; +}; + +struct stm32_spi_priv { ulong bus_clk_rate; unsigned int fifo_size; unsigned int cur_bpw; @@ -115,28 +118,32 @@ struct stm32_spi_priv { bool cs_high; }; -static void stm32_spi_write_txfifo(struct stm32_spi_priv *priv) +static void stm32_spi_write_txfifo(struct udevice *bus) { + struct stm32_spi_priv *priv = dev_get_priv(bus); + struct stm32_spi_plat *plat = dev_get_plat(bus); + void __iomem *base = plat->base; + while ((priv->tx_len > 0) && - (readl(priv->base + STM32_SPI_SR) & SPI_SR_TXP)) { + (readl(base + STM32_SPI_SR) & SPI_SR_TXP)) { u32 offs = priv->cur_xferlen - priv->tx_len; if (priv->tx_len >= sizeof(u32) && IS_ALIGNED((uintptr_t)(priv->tx_buf + offs), sizeof(u32))) { const u32 *tx_buf32 = (const u32 *)(priv->tx_buf + offs); - writel(*tx_buf32, priv->base + STM32_SPI_TXDR); + writel(*tx_buf32, base + STM32_SPI_TXDR); priv->tx_len -= sizeof(u32); } else if (priv->tx_len >= sizeof(u16) && IS_ALIGNED((uintptr_t)(priv->tx_buf + offs), sizeof(u16))) { const u16 *tx_buf16 = (const u16 *)(priv->tx_buf + offs); - writew(*tx_buf16, priv->base + STM32_SPI_TXDR); + writew(*tx_buf16, base + STM32_SPI_TXDR); priv->tx_len -= sizeof(u16); } else { const u8 *tx_buf8 = (const u8 *)(priv->tx_buf + offs); - writeb(*tx_buf8, priv->base + STM32_SPI_TXDR); + writeb(*tx_buf8, base + STM32_SPI_TXDR); priv->tx_len -= sizeof(u8); } } @@ -144,9 +151,12 @@ static void stm32_spi_write_txfifo(struct stm32_spi_priv *priv) log_debug("%d bytes left\n", priv->tx_len); } -static void stm32_spi_read_rxfifo(struct stm32_spi_priv *priv) +static void stm32_spi_read_rxfifo(struct udevice *bus) { - u32 sr = readl(priv->base + STM32_SPI_SR); + struct stm32_spi_priv *priv = dev_get_priv(bus); + struct stm32_spi_plat *plat = dev_get_plat(bus); + void __iomem *base = plat->base; + u32 sr = readl(base + STM32_SPI_SR); u32 rxplvl = (sr & SPI_SR_RXPLVL) >> SPI_SR_RXPLVL_SHIFT; while ((priv->rx_len > 0) && @@ -158,7 +168,7 @@ static void stm32_spi_read_rxfifo(struct stm32_spi_priv *priv) (priv->rx_len >= sizeof(u32) || (sr & SPI_SR_RXWNE))) { u32 *rx_buf32 = (u32 *)(priv->rx_buf + offs); - *rx_buf32 = readl(priv->base + STM32_SPI_RXDR); + *rx_buf32 = readl(base + STM32_SPI_RXDR); priv->rx_len -= sizeof(u32); } else if (IS_ALIGNED((uintptr_t)(priv->rx_buf + offs), sizeof(u16)) && (priv->rx_len >= sizeof(u16) || @@ -166,38 +176,38 @@ static void stm32_spi_read_rxfifo(struct stm32_spi_priv *priv) (rxplvl >= 2 || priv->cur_bpw > 8)))) { u16 *rx_buf16 = (u16 *)(priv->rx_buf + offs); - *rx_buf16 = readw(priv->base + STM32_SPI_RXDR); + *rx_buf16 = readw(base + STM32_SPI_RXDR); priv->rx_len -= sizeof(u16); } else { u8 *rx_buf8 = (u8 *)(priv->rx_buf + offs); - *rx_buf8 = readb(priv->base + STM32_SPI_RXDR); + *rx_buf8 = readb(base + STM32_SPI_RXDR); priv->rx_len -= sizeof(u8); } - sr = readl(priv->base + STM32_SPI_SR); + sr = readl(base + STM32_SPI_SR); rxplvl = (sr & SPI_SR_RXPLVL) >> SPI_SR_RXPLVL_SHIFT; } log_debug("%d bytes left\n", priv->rx_len); } -static int stm32_spi_enable(struct stm32_spi_priv *priv) +static int stm32_spi_enable(void __iomem *base) { log_debug("\n"); /* Enable the SPI hardware */ - setbits_le32(priv->base + STM32_SPI_CR1, SPI_CR1_SPE); + setbits_le32(base + STM32_SPI_CR1, SPI_CR1_SPE); return 0; } -static int stm32_spi_disable(struct stm32_spi_priv *priv) +static int stm32_spi_disable(void __iomem *base) { log_debug("\n"); /* Disable the SPI hardware */ - clrbits_le32(priv->base + STM32_SPI_CR1, SPI_CR1_SPE); + clrbits_le32(base + STM32_SPI_CR1, SPI_CR1_SPE); return 0; } @@ -205,45 +215,48 @@ static int stm32_spi_disable(struct stm32_spi_priv *priv) static int stm32_spi_claim_bus(struct udevice *slave) { struct udevice *bus = dev_get_parent(slave); - struct stm32_spi_priv *priv = dev_get_priv(bus); + struct stm32_spi_plat *plat = dev_get_plat(bus); + void __iomem *base = plat->base; dev_dbg(slave, "\n"); /* Enable the SPI hardware */ - return stm32_spi_enable(priv); + return stm32_spi_enable(base); } static int stm32_spi_release_bus(struct udevice *slave) { struct udevice *bus = dev_get_parent(slave); - struct stm32_spi_priv *priv = dev_get_priv(bus); + struct stm32_spi_plat *plat = dev_get_plat(bus); + void __iomem *base = plat->base; dev_dbg(slave, "\n"); /* Disable the SPI hardware */ - return stm32_spi_disable(priv); + return stm32_spi_disable(base); } static void stm32_spi_stopxfer(struct udevice *dev) { - struct stm32_spi_priv *priv = dev_get_priv(dev); + struct stm32_spi_plat *plat = dev_get_plat(dev); + void __iomem *base = plat->base; u32 cr1, sr; int ret; dev_dbg(dev, "\n"); - cr1 = readl(priv->base + STM32_SPI_CR1); + cr1 = readl(base + STM32_SPI_CR1); if (!(cr1 & SPI_CR1_SPE)) return; /* Wait on EOT or suspend the flow */ - ret = readl_poll_timeout(priv->base + STM32_SPI_SR, sr, + ret = readl_poll_timeout(base + STM32_SPI_SR, sr, !(sr & SPI_SR_EOT), 100000); if (ret < 0) { if (cr1 & SPI_CR1_CSTART) { - writel(cr1 | SPI_CR1_CSUSP, priv->base + STM32_SPI_CR1); - if (readl_poll_timeout(priv->base + STM32_SPI_SR, + writel(cr1 | SPI_CR1_CSUSP, base + STM32_SPI_CR1); + if (readl_poll_timeout(base + STM32_SPI_SR, sr, !(sr & SPI_SR_SUSP), 100000) < 0) dev_err(dev, "Suspend request timeout\n"); @@ -251,11 +264,12 @@ static void stm32_spi_stopxfer(struct udevice *dev) } /* clear status flags */ - setbits_le32(priv->base + STM32_SPI_IFCR, SPI_IFCR_ALL); + setbits_le32(base + STM32_SPI_IFCR, SPI_IFCR_ALL); } static int stm32_spi_set_cs(struct udevice *dev, unsigned int cs, bool enable) { + struct stm32_spi_plat *plat = dev_get_plat(dev); struct stm32_spi_priv *priv = dev_get_priv(dev); dev_dbg(dev, "cs=%d enable=%d\n", cs, enable); @@ -263,18 +277,20 @@ static int stm32_spi_set_cs(struct udevice *dev, unsigned int cs, bool enable) if (cs >= MAX_CS_COUNT) return -ENODEV; - if (!dm_gpio_is_valid(&priv->cs_gpios[cs])) + if (!dm_gpio_is_valid(&plat->cs_gpios[cs])) return -EINVAL; if (priv->cs_high) enable = !enable; - return dm_gpio_set_value(&priv->cs_gpios[cs], enable ? 1 : 0); + return dm_gpio_set_value(&plat->cs_gpios[cs], enable ? 1 : 0); } static int stm32_spi_set_mode(struct udevice *bus, uint mode) { struct stm32_spi_priv *priv = dev_get_priv(bus); + struct stm32_spi_plat *plat = dev_get_plat(bus); + void __iomem *base = plat->base; u32 cfg2_clrb = 0, cfg2_setb = 0; dev_dbg(bus, "mode=%d\n", mode); @@ -295,7 +311,7 @@ static int stm32_spi_set_mode(struct udevice *bus, uint mode) cfg2_clrb |= SPI_CFG2_LSBFRST; if (cfg2_clrb || cfg2_setb) - clrsetbits_le32(priv->base + STM32_SPI_CFG2, + clrsetbits_le32(base + STM32_SPI_CFG2, cfg2_clrb, cfg2_setb); if (mode & SPI_CS_HIGH) @@ -308,6 +324,8 @@ static int stm32_spi_set_mode(struct udevice *bus, uint mode) static int stm32_spi_set_fthlv(struct udevice *dev, u32 xfer_len) { struct stm32_spi_priv *priv = dev_get_priv(dev); + struct stm32_spi_plat *plat = dev_get_plat(dev); + void __iomem *base = plat->base; u32 fthlv, half_fifo; /* data packet should not exceed 1/2 of fifo space */ @@ -321,7 +339,7 @@ static int stm32_spi_set_fthlv(struct udevice *dev, u32 xfer_len) if (!fthlv) fthlv = 1; - clrsetbits_le32(priv->base + STM32_SPI_CFG1, SPI_CFG1_FTHLV, + clrsetbits_le32(base + STM32_SPI_CFG1, SPI_CFG1_FTHLV, (fthlv - 1) << SPI_CFG1_FTHLV_SHIFT); return 0; @@ -330,6 +348,8 @@ static int stm32_spi_set_fthlv(struct udevice *dev, u32 xfer_len) static int stm32_spi_set_speed(struct udevice *bus, uint hz) { struct stm32_spi_priv *priv = dev_get_priv(bus); + struct stm32_spi_plat *plat = dev_get_plat(bus); + void __iomem *base = plat->base; u32 mbrdiv; long div; @@ -353,7 +373,7 @@ static int stm32_spi_set_speed(struct udevice *bus, uint hz) if (!mbrdiv) return -EINVAL; - clrsetbits_le32(priv->base + STM32_SPI_CFG1, SPI_CFG1_MBR, + clrsetbits_le32(base + STM32_SPI_CFG1, SPI_CFG1_MBR, (mbrdiv - 1) << SPI_CFG1_MBR_SHIFT); priv->cur_hz = hz; @@ -367,6 +387,8 @@ static int stm32_spi_xfer(struct udevice *slave, unsigned int bitlen, struct udevice *bus = dev_get_parent(slave); struct dm_spi_slave_plat *slave_plat; struct stm32_spi_priv *priv = dev_get_priv(bus); + struct stm32_spi_plat *plat = dev_get_plat(bus); + void __iomem *base = plat->base; u32 sr; u32 ifcr = 0; u32 xferlen; @@ -376,7 +398,7 @@ static int stm32_spi_xfer(struct udevice *slave, unsigned int bitlen, xferlen = bitlen / 8; if (xferlen <= SPI_CR2_TSIZE) - writel(xferlen, priv->base + STM32_SPI_CR2); + writel(xferlen, base + STM32_SPI_CR2); else return -EMSGSIZE; @@ -396,15 +418,15 @@ static int stm32_spi_xfer(struct udevice *slave, unsigned int bitlen, priv->cur_xferlen = xferlen; /* Disable the SPI hardware to unlock CFG1/CFG2 registers */ - stm32_spi_disable(priv); + stm32_spi_disable(base); - clrsetbits_le32(priv->base + STM32_SPI_CFG2, SPI_CFG2_COMM, + clrsetbits_le32(base + STM32_SPI_CFG2, SPI_CFG2_COMM, mode << SPI_CFG2_COMM_SHIFT); stm32_spi_set_fthlv(bus, xferlen); /* Enable the SPI hardware */ - stm32_spi_enable(priv); + stm32_spi_enable(base); } dev_dbg(bus, "priv->tx_len=%d priv->rx_len=%d\n", @@ -416,12 +438,12 @@ static int stm32_spi_xfer(struct udevice *slave, unsigned int bitlen, /* Be sure to have data in fifo before starting data transfer */ if (priv->tx_buf) - stm32_spi_write_txfifo(priv); + stm32_spi_write_txfifo(bus); - setbits_le32(priv->base + STM32_SPI_CR1, SPI_CR1_CSTART); + setbits_le32(base + STM32_SPI_CR1, SPI_CR1_CSTART); while (1) { - sr = readl(priv->base + STM32_SPI_SR); + sr = readl(base + STM32_SPI_SR); if (sr & SPI_SR_OVR) { dev_err(bus, "Overrun: RX data lost\n"); @@ -433,7 +455,7 @@ static int stm32_spi_xfer(struct udevice *slave, unsigned int bitlen, dev_warn(bus, "System too slow is limiting data throughput\n"); if (priv->rx_buf && priv->rx_len > 0) - stm32_spi_read_rxfifo(priv); + stm32_spi_read_rxfifo(bus); ifcr |= SPI_SR_SUSP; } @@ -443,23 +465,23 @@ static int stm32_spi_xfer(struct udevice *slave, unsigned int bitlen, if (sr & SPI_SR_TXP) if (priv->tx_buf && priv->tx_len > 0) - stm32_spi_write_txfifo(priv); + stm32_spi_write_txfifo(bus); if (sr & SPI_SR_RXP) if (priv->rx_buf && priv->rx_len > 0) - stm32_spi_read_rxfifo(priv); + stm32_spi_read_rxfifo(bus); if (sr & SPI_SR_EOT) { if (priv->rx_buf && priv->rx_len > 0) - stm32_spi_read_rxfifo(priv); + stm32_spi_read_rxfifo(bus); break; } - writel(ifcr, priv->base + STM32_SPI_IFCR); + writel(ifcr, base + STM32_SPI_IFCR); } /* clear status flags */ - setbits_le32(priv->base + STM32_SPI_IFCR, SPI_IFCR_ALL); + setbits_le32(base + STM32_SPI_IFCR, SPI_IFCR_ALL); stm32_spi_stopxfer(bus); if (flags & SPI_XFER_END) @@ -470,42 +492,72 @@ static int stm32_spi_xfer(struct udevice *slave, unsigned int bitlen, static int stm32_spi_get_fifo_size(struct udevice *dev) { - struct stm32_spi_priv *priv = dev_get_priv(dev); + struct stm32_spi_plat *plat = dev_get_plat(dev); + void __iomem *base = plat->base; u32 count = 0; - stm32_spi_enable(priv); + stm32_spi_enable(base); - while (readl(priv->base + STM32_SPI_SR) & SPI_SR_TXP) - writeb(++count, priv->base + STM32_SPI_TXDR); + while (readl(base + STM32_SPI_SR) & SPI_SR_TXP) + writeb(++count, base + STM32_SPI_TXDR); - stm32_spi_disable(priv); + stm32_spi_disable(base); dev_dbg(dev, "%d x 8-bit fifo size\n", count); return count; } +static int stm32_spi_of_to_plat(struct udevice *dev) +{ + struct stm32_spi_plat *plat = dev_get_plat(dev); + int ret; + + plat->base = dev_read_addr_ptr(dev); + if (!plat->base) { + dev_err(dev, "can't get registers base address\n"); + return -ENOENT; + } + + ret = clk_get_by_index(dev, 0, &plat->clk); + if (ret < 0) + return ret; + + ret = reset_get_by_index(dev, 0, &plat->rst_ctl); + if (ret < 0) + goto clk_err; + + ret = gpio_request_list_by_name(dev, "cs-gpios", plat->cs_gpios, + ARRAY_SIZE(plat->cs_gpios), 0); + if (ret < 0) { + dev_err(dev, "Can't get %s cs gpios: %d", dev->name, ret); + ret = -ENOENT; + goto clk_err; + } + + return 0; + +clk_err: + clk_free(&plat->clk); + + return ret; +} + static int stm32_spi_probe(struct udevice *dev) { + struct stm32_spi_plat *plat = dev_get_plat(dev); struct stm32_spi_priv *priv = dev_get_priv(dev); + void __iomem *base = plat->base; unsigned long clk_rate; int ret; unsigned int i; - priv->base = dev_remap_addr(dev); - if (!priv->base) - return -EINVAL; - /* enable clock */ - ret = clk_get_by_index(dev, 0, &priv->clk); + ret = clk_enable(&plat->clk); if (ret < 0) return ret; - ret = clk_enable(&priv->clk); - if (ret < 0) - return ret; - - clk_rate = clk_get_rate(&priv->clk); + clk_rate = clk_get_rate(&plat->clk); if (!clk_rate) { ret = -EINVAL; goto clk_err; @@ -514,46 +566,34 @@ static int stm32_spi_probe(struct udevice *dev) priv->bus_clk_rate = clk_rate; /* perform reset */ - ret = reset_get_by_index(dev, 0, &priv->rst_ctl); - if (ret < 0) - goto clk_err; - - reset_assert(&priv->rst_ctl); + reset_assert(&plat->rst_ctl); udelay(2); - reset_deassert(&priv->rst_ctl); - - ret = gpio_request_list_by_name(dev, "cs-gpios", priv->cs_gpios, - ARRAY_SIZE(priv->cs_gpios), 0); - if (ret < 0) { - dev_err(dev, "Can't get cs gpios: %d", ret); - goto reset_err; - } + reset_deassert(&plat->rst_ctl); priv->fifo_size = stm32_spi_get_fifo_size(dev); - priv->cur_mode = SPI_FULL_DUPLEX; priv->cur_xferlen = 0; priv->cur_bpw = SPI_DEFAULT_WORDLEN; - clrsetbits_le32(priv->base + STM32_SPI_CFG1, SPI_CFG1_DSIZE, + clrsetbits_le32(base + STM32_SPI_CFG1, SPI_CFG1_DSIZE, priv->cur_bpw - 1); - for (i = 0; i < ARRAY_SIZE(priv->cs_gpios); i++) { - if (!dm_gpio_is_valid(&priv->cs_gpios[i])) + for (i = 0; i < ARRAY_SIZE(plat->cs_gpios); i++) { + if (!dm_gpio_is_valid(&plat->cs_gpios[i])) continue; - dm_gpio_set_dir_flags(&priv->cs_gpios[i], + dm_gpio_set_dir_flags(&plat->cs_gpios[i], GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); } /* Ensure I2SMOD bit is kept cleared */ - clrbits_le32(priv->base + STM32_SPI_I2SCFGR, SPI_I2SCFGR_I2SMOD); + clrbits_le32(base + STM32_SPI_I2SCFGR, SPI_I2SCFGR_I2SMOD); /* * - SS input value high * - transmitter half duplex direction * - automatic communication suspend when RX-Fifo is full */ - setbits_le32(priv->base + STM32_SPI_CR1, + setbits_le32(base + STM32_SPI_CR1, SPI_CR1_SSI | SPI_CR1_HDDIR | SPI_CR1_MASRX); /* @@ -562,40 +602,38 @@ static int stm32_spi_probe(struct udevice *dev) * SS input value is determined by the SSI bit * - keep control of all associated GPIOs */ - setbits_le32(priv->base + STM32_SPI_CFG2, + setbits_le32(base + STM32_SPI_CFG2, SPI_CFG2_MASTER | SPI_CFG2_SSM | SPI_CFG2_AFCNTR); return 0; -reset_err: - reset_free(&priv->rst_ctl); - clk_err: - clk_disable(&priv->clk); - clk_free(&priv->clk); + clk_disable(&plat->clk); + clk_free(&plat->clk); return ret; }; static int stm32_spi_remove(struct udevice *dev) { - struct stm32_spi_priv *priv = dev_get_priv(dev); + struct stm32_spi_plat *plat = dev_get_plat(dev); + void __iomem *base = plat->base; int ret; stm32_spi_stopxfer(dev); - stm32_spi_disable(priv); + stm32_spi_disable(base); - ret = reset_assert(&priv->rst_ctl); + ret = reset_assert(&plat->rst_ctl); if (ret < 0) return ret; - reset_free(&priv->rst_ctl); + reset_free(&plat->rst_ctl); - ret = clk_disable(&priv->clk); + ret = clk_disable(&plat->clk); if (ret < 0) return ret; - clk_free(&priv->clk); + clk_free(&plat->clk); return ret; }; @@ -618,7 +656,9 @@ U_BOOT_DRIVER(stm32_spi) = { .id = UCLASS_SPI, .of_match = stm32_spi_ids, .ops = &stm32_spi_ops, - .priv_auto = sizeof(struct stm32_spi_priv), + .of_to_plat = stm32_spi_of_to_plat, + .plat_auto = sizeof(struct stm32_spi_plat), + .priv_auto = sizeof(struct stm32_spi_priv), .probe = stm32_spi_probe, .remove = stm32_spi_remove, }; diff --git a/drivers/timer/timer-uclass.c b/drivers/timer/timer-uclass.c index 6ea9e39..cbc3647 100644 --- a/drivers/timer/timer-uclass.c +++ b/drivers/timer/timer-uclass.c @@ -148,7 +148,7 @@ int notrace dm_timer_init(void) * If the timer is not marked to be bound before * relocation, bind it anyway. */ - if (!lists_bind_fdt(dm_root(), node, &dev, false)) { + if (!lists_bind_fdt(dm_root(), node, &dev, NULL, false)) { ret = device_probe(dev); if (ret) return ret; diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h index 0cdf47c..06e6a48 100644 --- a/drivers/usb/gadget/gadget_chips.h +++ b/drivers/usb/gadget/gadget_chips.h @@ -167,6 +167,12 @@ #define gadget_is_mtu3(g) 0 #endif +#ifdef CONFIG_USB_GADGET_DWC2_OTG +#define gadget_is_dwc2(g) (!strcmp("dwc2-udc", (g)->name)) +#else +#define gadget_is_dwc2(g) 0 +#endif + /** * usb_gadget_controller_number - support bcdDevice id convention * @gadget: the controller being driven @@ -232,5 +238,7 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget) return 0x25; else if (gadget_is_mtu3(gadget)) return 0x26; + else if (gadget_is_dwc2(gadget)) + return 0x27; return -ENOENT; } diff --git a/drivers/usb/host/usb-sandbox.c b/drivers/usb/host/usb-sandbox.c index d7cc92a..d1103dc 100644 --- a/drivers/usb/host/usb-sandbox.c +++ b/drivers/usb/host/usb-sandbox.c @@ -9,6 +9,13 @@ #include <log.h> #include <usb.h> #include <dm/root.h> +#include <linux/usb/gadget.h> + +struct sandbox_udc { + struct usb_gadget gadget; +}; + +struct sandbox_udc *this_controller; struct sandbox_usb_ctrl { int rootdev; @@ -117,6 +124,27 @@ static int sandbox_submit_int(struct udevice *bus, struct usb_device *udev, return ret; } +int usb_gadget_handle_interrupts(int index) +{ + return 0; +} + +int usb_gadget_register_driver(struct usb_gadget_driver *driver) +{ + struct sandbox_udc *dev = this_controller; + + return driver->bind(&dev->gadget); +} + +int usb_gadget_unregister_driver(struct usb_gadget_driver *driver) +{ + struct sandbox_udc *dev = this_controller; + + driver->unbind(&dev->gadget); + + return 0; +} + static int sandbox_alloc_device(struct udevice *dev, struct usb_device *udev) { struct sandbox_usb_ctrl *ctrl = dev_get_priv(dev); |