diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/core/Kconfig | 50 | ||||
| -rw-r--r-- | drivers/core/device.c | 12 | ||||
| -rw-r--r-- | drivers/core/root.c | 64 | ||||
| -rw-r--r-- | drivers/demo/Kconfig | 26 | ||||
| -rw-r--r-- | drivers/gpio/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/gpio/at91_gpio.c | 10 | ||||
| -rw-r--r-- | drivers/gpio/mxc_gpio.c | 84 | ||||
| -rw-r--r-- | drivers/gpio/omap_gpio.c | 2 | ||||
| -rw-r--r-- | drivers/i2c/Kconfig | 12 | ||||
| -rw-r--r-- | drivers/i2c/adi_i2c.c | 6 | ||||
| -rw-r--r-- | drivers/i2c/i2c-uclass.c | 11 | ||||
| -rw-r--r-- | drivers/i2c/kona_i2c.c | 16 | ||||
| -rw-r--r-- | drivers/i2c/mv_i2c.c | 10 | ||||
| -rw-r--r-- | drivers/i2c/s3c24x0_i2c.c | 4 | ||||
| -rw-r--r-- | drivers/misc/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/mtd/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/mtd/spi/Kconfig | 14 | ||||
| -rw-r--r-- | drivers/serial/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/serial/Makefile | 1 | ||||
| -rw-r--r-- | drivers/serial/serial-uclass.c | 16 | ||||
| -rw-r--r-- | drivers/serial/serial_ppc.c | 40 | ||||
| -rw-r--r-- | drivers/serial/serial_sh.c | 321 | ||||
| -rw-r--r-- | drivers/serial/serial_sh.h | 30 | ||||
| -rw-r--r-- | drivers/spi/Kconfig | 10 | ||||
| -rw-r--r-- | drivers/thermal/Kconfig | 7 |
26 files changed, 601 insertions, 173 deletions
diff --git a/drivers/Kconfig b/drivers/Kconfig index 128736dae3..dcce532e2d 100644 --- a/drivers/Kconfig +++ b/drivers/Kconfig @@ -2,6 +2,8 @@ menu "Device Drivers" source "drivers/core/Kconfig" +source "drivers/demo/Kconfig" + source "drivers/pci/Kconfig" source "drivers/pcmcia/Kconfig" @@ -48,4 +50,6 @@ source "drivers/dma/Kconfig" source "drivers/crypto/Kconfig" +source "drivers/thermal/Kconfig" + endmenu diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig index d2799dc861..f0d611007a 100644 --- a/drivers/core/Kconfig +++ b/drivers/core/Kconfig @@ -2,5 +2,51 @@ config DM bool "Enable Driver Model" depends on !SPL_BUILD help - This config option enables Driver Model. - To use legacy drivers, say N. + This config option enables Driver Model. This brings in the core + support, including scanning of platform data on start-up. If + CONFIG_OF_CONTROL is enabled, the device tree will be scanned also + when available. + +config SPL_DM + bool "Enable Driver Model for SPL" + depends on DM && SPL + help + Enable driver model in SPL. You will need to provide a + suitable malloc() implementation. If you are not using the + full malloc() enabled by CONFIG_SYS_SPL_MALLOC_START, + consider using CONFIG_SYS_MALLOC_SIMPLE. In that case you + must provide CONFIG_SYS_MALLOC_F_LEN to set the size. + In most cases driver model will only allocate a few uclasses + and devices in SPL, so 1KB should be enable. See + CONFIG_SYS_MALLOC_F_LEN for more details on how to enable it. + +config DM_WARN + bool "Enable warnings in driver model" + help + The dm_warn() function can use up quite a bit of space for its + strings. By default this is disabled for SPL builds to save space. + This will cause dm_warn() to be compiled out - it will do nothing + when called. + depends on DM + default y if !SPL_BUILD + default n if SPL_BUILD + +config DM_DEVICE_REMOVE + bool "Support device removal" + help + We can save some code space by dropping support for removing a + device. This is not normally required in SPL, so by default this + option is disabled for SPL. + depends on DM + default y if !SPL_BUILD + default n if SPL_BUILD + +config DM_STDIO + bool "Support stdio registration" + help + Normally serial drivers register with stdio so that they can be used + as normal output devices. In SPL we don't normally use stdio, so + we can omit this feature. + depends on DM + default y if !SPL_BUILD + default n if SPL_BUILD diff --git a/drivers/core/device.c b/drivers/core/device.c index b73d3b8961..73c3e07c28 100644 --- a/drivers/core/device.c +++ b/drivers/core/device.c @@ -449,3 +449,15 @@ enum uclass_id device_get_uclass_id(struct udevice *dev) { return dev->uclass->uc_drv->id; } + +#ifdef CONFIG_OF_CONTROL +fdt_addr_t dev_get_addr(struct udevice *dev) +{ + return fdtdec_get_addr(gd->fdt_blob, dev->of_offset, "reg"); +} +#else +fdt_addr_t dev_get_addr(struct udevice *dev) +{ + return FDT_ADDR_T_NONE; +} +#endif diff --git a/drivers/core/root.c b/drivers/core/root.c index 73e3c7228e..9b5c6bb10c 100644 --- a/drivers/core/root.c +++ b/drivers/core/root.c @@ -37,6 +37,65 @@ struct udevice *dm_root(void) return gd->dm_root; } +#if defined(CONFIG_NEEDS_MANUAL_RELOC) +void fix_drivers(void) +{ + struct driver *drv = + ll_entry_start(struct driver, driver); + const int n_ents = ll_entry_count(struct driver, driver); + struct driver *entry; + + for (entry = drv; entry != drv + n_ents; entry++) { + if (entry->of_match) + entry->of_match = (const struct udevice_id *) + ((u32)entry->of_match + gd->reloc_off); + if (entry->bind) + entry->bind += gd->reloc_off; + if (entry->probe) + entry->probe += gd->reloc_off; + if (entry->remove) + entry->remove += gd->reloc_off; + if (entry->unbind) + entry->unbind += gd->reloc_off; + if (entry->ofdata_to_platdata) + entry->ofdata_to_platdata += gd->reloc_off; + if (entry->child_pre_probe) + entry->child_pre_probe += gd->reloc_off; + if (entry->child_post_remove) + entry->child_post_remove += gd->reloc_off; + /* OPS are fixed in every uclass post_probe function */ + if (entry->ops) + entry->ops += gd->reloc_off; + } +} + +void fix_uclass(void) +{ + struct uclass_driver *uclass = + ll_entry_start(struct uclass_driver, uclass); + const int n_ents = ll_entry_count(struct uclass_driver, uclass); + struct uclass_driver *entry; + + for (entry = uclass; entry != uclass + n_ents; entry++) { + if (entry->post_bind) + entry->post_bind += gd->reloc_off; + if (entry->pre_unbind) + entry->pre_unbind += gd->reloc_off; + if (entry->post_probe) + entry->post_probe += gd->reloc_off; + if (entry->pre_remove) + entry->pre_remove += gd->reloc_off; + if (entry->init) + entry->init += gd->reloc_off; + if (entry->destroy) + entry->destroy += gd->reloc_off; + /* FIXME maybe also need to fix these ops */ + if (entry->ops) + entry->ops += gd->reloc_off; + } +} +#endif + int dm_init(void) { int ret; @@ -47,6 +106,11 @@ int dm_init(void) } INIT_LIST_HEAD(&DM_UCLASS_ROOT_NON_CONST); +#if defined(CONFIG_NEEDS_MANUAL_RELOC) + fix_drivers(); + fix_uclass(); +#endif + ret = device_bind_by_name(NULL, false, &root_info, &DM_ROOT_NON_CONST); if (ret) return ret; diff --git a/drivers/demo/Kconfig b/drivers/demo/Kconfig new file mode 100644 index 0000000000..7a8ce18555 --- /dev/null +++ b/drivers/demo/Kconfig @@ -0,0 +1,26 @@ +config DM_DEMO + bool "Enable demo uclass support" + depends on DM + help + This uclass allows you to play around with driver model. It provides + an interface to a couple of demo devices. You can access it using + the 'demo' command or by calling the uclass functions from your + own code. + +config DM_DEMO_SIMPLE + bool "Enable simple demo device for driver model" + depends on DM_DEMO + help + This device allows you to play around with driver model. It prints + a message when the 'demo hello' command is executed which targets + this device. It can be used to help understand how driver model + works. + +config DM_DEMO_SHAPE + bool "Enable shape demo device for driver model" + depends on DM_DEMO + help + This device allows you to play around with driver model. It prints + a shape when the 'demo hello' command is executed which targets + this device. It can be used to help understand how driver model + works. diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index d21302f8da..b609e73bba 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -2,5 +2,8 @@ config DM_GPIO bool "Enable Driver Model for GPIO drivers" depends on DM help - If you want to use driver model for GPIO drivers, say Y. - To use legacy GPIO drivers, say N. + Enable driver model for GPIO access. The standard GPIO + interface (gpio_get_value(), etc.) is then implemented by + the GPIO uclass. Drivers provide methods to query the + particular GPIOs that they provide. The uclass interface + is defined in include/asm-generic/gpio.h. diff --git a/drivers/gpio/at91_gpio.c b/drivers/gpio/at91_gpio.c index 6129c020ea..22fbd63098 100644 --- a/drivers/gpio/at91_gpio.c +++ b/drivers/gpio/at91_gpio.c @@ -451,7 +451,7 @@ struct at91_port_priv { /* set GPIO pin 'gpio' as an input */ static int at91_gpio_direction_input(struct udevice *dev, unsigned offset) { - struct at91_port_priv *port = dev_get_platdata(dev); + struct at91_port_priv *port = dev_get_priv(dev); at91_set_port_input(port->regs, offset, 0); @@ -462,7 +462,7 @@ static int at91_gpio_direction_input(struct udevice *dev, unsigned offset) static int at91_gpio_direction_output(struct udevice *dev, unsigned offset, int value) { - struct at91_port_priv *port = dev_get_platdata(dev); + struct at91_port_priv *port = dev_get_priv(dev); at91_set_port_output(port->regs, offset, value); @@ -472,7 +472,7 @@ static int at91_gpio_direction_output(struct udevice *dev, unsigned offset, /* read GPIO IN value of pin 'gpio' */ static int at91_gpio_get_value(struct udevice *dev, unsigned offset) { - struct at91_port_priv *port = dev_get_platdata(dev); + struct at91_port_priv *port = dev_get_priv(dev); return at91_get_port_value(port->regs, offset); } @@ -481,7 +481,7 @@ static int at91_gpio_get_value(struct udevice *dev, unsigned offset) static int at91_gpio_set_value(struct udevice *dev, unsigned offset, int value) { - struct at91_port_priv *port = dev_get_platdata(dev); + struct at91_port_priv *port = dev_get_priv(dev); at91_set_port_value(port->regs, offset, value); @@ -490,7 +490,7 @@ static int at91_gpio_set_value(struct udevice *dev, unsigned offset, static int at91_gpio_get_function(struct udevice *dev, unsigned offset) { - struct at91_port_priv *port = dev_get_platdata(dev); + struct at91_port_priv *port = dev_get_priv(dev); /* GPIOF_FUNC is not implemented yet */ if (at91_get_port_output(port->regs, offset)) diff --git a/drivers/gpio/mxc_gpio.c b/drivers/gpio/mxc_gpio.c index 8bb9e39b72..815407bb03 100644 --- a/drivers/gpio/mxc_gpio.c +++ b/drivers/gpio/mxc_gpio.c @@ -23,6 +23,7 @@ enum mxc_gpio_direction { #define GPIO_PER_BANK 32 struct mxc_gpio_plat { + int bank_index; struct gpio_regs *regs; }; @@ -150,6 +151,9 @@ int gpio_direction_output(unsigned gpio, int value) #endif #ifdef CONFIG_DM_GPIO +#include <fdtdec.h> +DECLARE_GLOBAL_DATA_PTR; + static int mxc_gpio_is_output(struct gpio_regs *regs, int offset) { u32 val; @@ -258,23 +262,6 @@ static const struct dm_gpio_ops gpio_mxc_ops = { .get_function = mxc_gpio_get_function, }; -static const struct mxc_gpio_plat mxc_plat[] = { - { (struct gpio_regs *)GPIO1_BASE_ADDR }, - { (struct gpio_regs *)GPIO2_BASE_ADDR }, - { (struct gpio_regs *)GPIO3_BASE_ADDR }, -#if defined(CONFIG_MX25) || defined(CONFIG_MX27) || defined(CONFIG_MX51) || \ - defined(CONFIG_MX53) || defined(CONFIG_MX6) - { (struct gpio_regs *)GPIO4_BASE_ADDR }, -#endif -#if defined(CONFIG_MX27) || defined(CONFIG_MX53) || defined(CONFIG_MX6) - { (struct gpio_regs *)GPIO5_BASE_ADDR }, - { (struct gpio_regs *)GPIO6_BASE_ADDR }, -#endif -#if defined(CONFIG_MX53) || defined(CONFIG_MX6) - { (struct gpio_regs *)GPIO7_BASE_ADDR }, -#endif -}; - static int mxc_gpio_probe(struct udevice *dev) { struct mxc_bank_info *bank = dev_get_priv(dev); @@ -283,7 +270,7 @@ static int mxc_gpio_probe(struct udevice *dev) int banknum; char name[18], *str; - banknum = plat - mxc_plat; + banknum = plat->bank_index; sprintf(name, "GPIO%d_", banknum + 1); str = strdup(name); if (!str) @@ -295,12 +282,72 @@ static int mxc_gpio_probe(struct udevice *dev) return 0; } +static int mxc_gpio_bind(struct udevice *dev) +{ + struct mxc_gpio_plat *plat = dev->platdata; + fdt_addr_t addr; + + /* + * If platdata already exsits, directly return. + * Actually only when DT is not supported, platdata + * is statically initialized in U_BOOT_DEVICES.Here + * will return. + */ + if (plat) + return 0; + + addr = dev_get_addr(dev); + if (addr == FDT_ADDR_T_NONE) + return -ENODEV; + + /* + * TODO: + * When every board is converted to driver model and DT is supported, + * this can be done by auto-alloc feature, but not using calloc + * to alloc memory for platdata. + */ + plat = calloc(1, sizeof(*plat)); + if (!plat) + return -ENOMEM; + + plat->regs = (struct gpio_regs *)addr; + plat->bank_index = dev->req_seq; + dev->platdata = plat; + + return 0; +} + +static const struct udevice_id mxc_gpio_ids[] = { + { .compatible = "fsl,imx35-gpio" }, + { } +}; + U_BOOT_DRIVER(gpio_mxc) = { .name = "gpio_mxc", .id = UCLASS_GPIO, .ops = &gpio_mxc_ops, .probe = mxc_gpio_probe, .priv_auto_alloc_size = sizeof(struct mxc_bank_info), + .of_match = mxc_gpio_ids, + .bind = mxc_gpio_bind, +}; + +#ifndef CONFIG_OF_CONTROL +static const struct mxc_gpio_plat mxc_plat[] = { + { 0, (struct gpio_regs *)GPIO1_BASE_ADDR }, + { 1, (struct gpio_regs *)GPIO2_BASE_ADDR }, + { 2, (struct gpio_regs *)GPIO3_BASE_ADDR }, +#if defined(CONFIG_MX25) || defined(CONFIG_MX27) || defined(CONFIG_MX51) || \ + defined(CONFIG_MX53) || defined(CONFIG_MX6) + { 3, (struct gpio_regs *)GPIO4_BASE_ADDR }, +#endif +#if defined(CONFIG_MX27) || defined(CONFIG_MX53) || defined(CONFIG_MX6) + { 4, (struct gpio_regs *)GPIO5_BASE_ADDR }, + { 5, (struct gpio_regs *)GPIO6_BASE_ADDR }, +#endif +#if defined(CONFIG_MX53) || defined(CONFIG_MX6) + { 6, (struct gpio_regs *)GPIO7_BASE_ADDR }, +#endif }; U_BOOT_DEVICES(mxc_gpios) = { @@ -320,3 +367,4 @@ U_BOOT_DEVICES(mxc_gpios) = { #endif }; #endif +#endif diff --git a/drivers/gpio/omap_gpio.c b/drivers/gpio/omap_gpio.c index f3a7ccb51e..19fc451079 100644 --- a/drivers/gpio/omap_gpio.c +++ b/drivers/gpio/omap_gpio.c @@ -291,7 +291,7 @@ static int omap_gpio_get_function(struct udevice *dev, unsigned offset) struct gpio_bank *bank = dev_get_priv(dev); /* GPIOF_FUNC is not implemented yet */ - if (_get_gpio_direction(bank->base, offset) == OMAP_GPIO_DIR_OUT) + if (_get_gpio_direction(bank, offset) == OMAP_GPIO_DIR_OUT) return GPIOF_OUTPUT; else return GPIOF_INPUT; diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig index 202ea5d679..2cc776c73f 100644 --- a/drivers/i2c/Kconfig +++ b/drivers/i2c/Kconfig @@ -2,8 +2,16 @@ config DM_I2C bool "Enable Driver Model for I2C drivers" depends on DM help - If you want to use driver model for I2C drivers, say Y. - To use legacy I2C drivers, say N. + Enable driver model for I2C. This SPI flash interface + (spi_flash_probe(), spi_flash_write(), etc.) is then + implemented by the SPI flash uclass. There is one standard + SPI flash driver which knows how to probe most chips + supported by U-Boot. The uclass interface is defined in + include/spi_flash.h, but is currently fully compatible + with the old interface to avoid confusion and duplication + during the transition parent. SPI and SPI flash must be + enabled together (it is not possible to use driver model + for one and not the other). config SYS_I2C_UNIPHIER bool "UniPhier I2C driver" diff --git a/drivers/i2c/adi_i2c.c b/drivers/i2c/adi_i2c.c index 20495b1d7f..c58f14a36e 100644 --- a/drivers/i2c/adi_i2c.c +++ b/drivers/i2c/adi_i2c.c @@ -63,7 +63,7 @@ struct twi_regs { #endif /* All transfers are described by this data structure */ -struct i2c_msg { +struct adi_i2c_msg { u8 flags; #define I2C_M_COMBO 0x4 #define I2C_M_STOP 0x2 @@ -81,7 +81,7 @@ struct i2c_msg { * wait_for_completion - manage the actual i2c transfer * @msg: the i2c msg */ -static int wait_for_completion(struct twi_regs *twi, struct i2c_msg *msg) +static int wait_for_completion(struct twi_regs *twi, struct adi_i2c_msg *msg) { u16 int_stat, ctl; ulong timebase = get_timer(0); @@ -151,7 +151,7 @@ static int i2c_transfer(struct i2c_adapter *adap, uint8_t chip, uint addr, (addr >> 8), (addr >> 16), }; - struct i2c_msg msg = { + struct adi_i2c_msg msg = { .flags = flags | (len >= 0xff ? I2C_M_STOP : 0), .buf = buffer, .len = len, diff --git a/drivers/i2c/i2c-uclass.c b/drivers/i2c/i2c-uclass.c index eafa457845..a6991bf875 100644 --- a/drivers/i2c/i2c-uclass.c +++ b/drivers/i2c/i2c-uclass.c @@ -325,7 +325,7 @@ int dm_i2c_probe(struct udevice *bus, uint chip_addr, uint chip_flags, return ret; } -int i2c_set_bus_speed(struct udevice *bus, unsigned int speed) +int dm_i2c_set_bus_speed(struct udevice *bus, unsigned int speed) { struct dm_i2c_ops *ops = i2c_get_ops(bus); struct dm_i2c_bus *i2c = bus->uclass_priv; @@ -346,12 +346,7 @@ int i2c_set_bus_speed(struct udevice *bus, unsigned int speed) return 0; } -/* - * i2c_get_bus_speed: - * - * Returns speed of selected I2C bus in Hz - */ -int i2c_get_bus_speed(struct udevice *bus) +int dm_i2c_get_bus_speed(struct udevice *bus) { struct dm_i2c_ops *ops = i2c_get_ops(bus); struct dm_i2c_bus *i2c = bus->uclass_priv; @@ -440,7 +435,7 @@ static int i2c_post_probe(struct udevice *dev) i2c->speed_hz = fdtdec_get_int(gd->fdt_blob, dev->of_offset, "clock-frequency", 100000); - return i2c_set_bus_speed(dev, i2c->speed_hz); + return dm_i2c_set_bus_speed(dev, i2c->speed_hz); } static int i2c_post_bind(struct udevice *dev) diff --git a/drivers/i2c/kona_i2c.c b/drivers/i2c/kona_i2c.c index 5eab338cfc..9af496bbb1 100644 --- a/drivers/i2c/kona_i2c.c +++ b/drivers/i2c/kona_i2c.c @@ -156,7 +156,7 @@ static struct bcm_kona_i2c_dev g_i2c_devs[CONFIG_SYS_MAX_I2C_BUS] = { #define I2C_M_RD 0x0001 /* read data */ #define I2C_M_NOSTART 0x4000 /* no restart between msgs */ -struct i2c_msg { +struct kona_i2c_msg { uint16_t addr; uint16_t flags; uint16_t len; @@ -297,7 +297,7 @@ static int bcm_kona_i2c_read_fifo_single(struct bcm_kona_i2c_dev *dev, /* Read any amount of data using the RX FIFO from the i2c bus */ static int bcm_kona_i2c_read_fifo(struct bcm_kona_i2c_dev *dev, - struct i2c_msg *msg) + struct kona_i2c_msg *msg) { unsigned int bytes_to_read = MAX_RX_FIFO_SIZE; unsigned int last_byte_nak = 0; @@ -392,7 +392,7 @@ static int bcm_kona_i2c_write_fifo_single(struct bcm_kona_i2c_dev *dev, /* Write any amount of data using TX FIFO to the i2c bus */ static int bcm_kona_i2c_write_fifo(struct bcm_kona_i2c_dev *dev, - struct i2c_msg *msg) + struct kona_i2c_msg *msg) { unsigned int bytes_to_write = MAX_TX_FIFO_SIZE; unsigned int bytes_written = 0; @@ -418,7 +418,7 @@ static int bcm_kona_i2c_write_fifo(struct bcm_kona_i2c_dev *dev, /* Send i2c address */ static int bcm_kona_i2c_do_addr(struct bcm_kona_i2c_dev *dev, - struct i2c_msg *msg) + struct kona_i2c_msg *msg) { unsigned char addr; @@ -480,9 +480,9 @@ static void bcm_kona_i2c_config_timing(struct bcm_kona_i2c_dev *dev) /* Master transfer function */ static int bcm_kona_i2c_xfer(struct bcm_kona_i2c_dev *dev, - struct i2c_msg msgs[], int num) + struct kona_i2c_msg msgs[], int num) { - struct i2c_msg *pmsg; + struct kona_i2c_msg *pmsg; int rc = 0; int i; @@ -635,7 +635,7 @@ static int kona_i2c_read(struct i2c_adapter *adap, uchar chip, uint addr, int alen, uchar *buffer, int len) { /* msg[0] writes the addr, msg[1] reads the data */ - struct i2c_msg msg[2]; + struct kona_i2c_msg msg[2]; unsigned char msgbuf0[64]; struct bcm_kona_i2c_dev *dev = kona_get_dev(adap); @@ -663,7 +663,7 @@ static int kona_i2c_read(struct i2c_adapter *adap, uchar chip, uint addr, static int kona_i2c_write(struct i2c_adapter *adap, uchar chip, uint addr, int alen, uchar *buffer, int len) { - struct i2c_msg msg[1]; + struct kona_i2c_msg msg[1]; unsigned char msgbuf0[64]; unsigned int i; struct bcm_kona_i2c_dev *dev = kona_get_dev(adap); diff --git a/drivers/i2c/mv_i2c.c b/drivers/i2c/mv_i2c.c index dac346334d..e65cce0d8e 100644 --- a/drivers/i2c/mv_i2c.c +++ b/drivers/i2c/mv_i2c.c @@ -31,7 +31,7 @@ #endif /* All transfers are described by this data structure */ -struct i2c_msg { +struct mv_i2c_msg { u8 condition; u8 acknack; u8 direction; @@ -157,7 +157,7 @@ static int i2c_isr_set_cleared(unsigned long set_mask, * -5: illegal parameters * -6: bus is busy and couldn't be aquired */ -int i2c_transfer(struct i2c_msg *msg) +int i2c_transfer(struct mv_i2c_msg *msg) { int ret; @@ -286,7 +286,7 @@ void i2c_init(int speed, int slaveaddr) */ int i2c_probe(uchar chip) { - struct i2c_msg msg; + struct mv_i2c_msg msg; i2c_reset(); @@ -322,7 +322,7 @@ int i2c_probe(uchar chip) */ int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len) { - struct i2c_msg msg; + struct mv_i2c_msg msg; u8 addr_bytes[3]; /* lowest...highest byte of data address */ PRINTD(("i2c_read(chip=0x%02x, addr=0x%02x, alen=0x%02x, " @@ -410,7 +410,7 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len) */ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len) { - struct i2c_msg msg; + struct mv_i2c_msg msg; u8 addr_bytes[3]; /* lowest...highest byte of data address */ PRINTD(("i2c_write(chip=0x%02x, addr=0x%02x, alen=0x%02x, " diff --git a/drivers/i2c/s3c24x0_i2c.c b/drivers/i2c/s3c24x0_i2c.c index 0dd1abcf80..b4ee33f7da 100644 --- a/drivers/i2c/s3c24x0_i2c.c +++ b/drivers/i2c/s3c24x0_i2c.c @@ -112,9 +112,9 @@ #define I2C_START_STOP 0x20 /* START / STOP */ #define I2C_TXRX_ENA 0x10 /* I2C Tx/Rx enable */ -#define I2C_TIMEOUT_MS 1000 /* 1 second */ +#define I2C_TIMEOUT_MS 10 /* 10 ms */ -#define HSI2C_TIMEOUT_US 100000 /* 100 ms, finer granularity */ +#define HSI2C_TIMEOUT_US 10000 /* 10 ms, finer granularity */ /* To support VCMA9 boards and other who dont define max_i2c_num */ diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index e69de29bb2..813d1c24b9 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -0,0 +1,9 @@ +config DM_CROS_EC + bool "Enable Driver Model for Chrome OS EC" + depends on DM + help + Enable driver model for the Chrome OS EC interface. This + allows the cros_ec SPI driver to operate with CONFIG_DM_SPI + but otherwise makes few changes. Since cros_ec also supports + I2C and LPC (which don't support driver model yet), a full + conversion is not yet possible. diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig index 415ab4eba9..59278d1eef 100644 --- a/drivers/mtd/Kconfig +++ b/drivers/mtd/Kconfig @@ -1 +1,3 @@ source "drivers/mtd/nand/Kconfig" + +source "drivers/mtd/spi/Kconfig" diff --git a/drivers/mtd/spi/Kconfig b/drivers/mtd/spi/Kconfig new file mode 100644 index 0000000000..2dc46b4b34 --- /dev/null +++ b/drivers/mtd/spi/Kconfig @@ -0,0 +1,14 @@ +config DM_SPI_FLASH + bool "Enable Driver Model for SPI flash" + depends on DM && SPI + help + Enable driver model for SPI flash. This SPI flash interface + (spi_flash_probe(), spi_flash_write(), etc.) is then + implemented by the SPI flash uclass. There is one standard + SPI flash driver which knows how to probe most chips + supported by U-Boot. The uclass interface is defined in + include/spi_flash.h, but is currently fully compatible + with the old interface to avoid confusion and duplication + during the transition parent. SPI and SPI flash must be + enabled together (it is not possible to use driver model + for one and not the other). diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index a0b6e02b54..c94353ba6a 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -2,8 +2,10 @@ config DM_SERIAL bool "Enable Driver Model for serial drivers" depends on DM help - If you want to use driver model for serial drivers, say Y. - To use legacy serial drivers, say N. + Enable driver model for serial. This replaces + drivers/serial/serial.c with the serial uclass, which + implements serial_putc() etc. The uclass interface is + defined in include/serial.h. config UNIPHIER_SERIAL bool "UniPhier on-chip UART support" diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index 4cc00cd2f8..63b0cbf5da 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -8,6 +8,7 @@ ifdef CONFIG_DM_SERIAL obj-y += serial-uclass.o obj-$(CONFIG_PL01X_SERIAL) += serial_pl01x.o +obj-$(CONFIG_PPC) += serial_ppc.o else obj-y += serial.o obj-$(CONFIG_PL010_SERIAL) += serial_pl01x.o diff --git a/drivers/serial/serial-uclass.c b/drivers/serial/serial-uclass.c index 9131a8f93d..3fc7104359 100644 --- a/drivers/serial/serial-uclass.c +++ b/drivers/serial/serial-uclass.c @@ -258,6 +258,22 @@ static int serial_post_probe(struct udevice *dev) #endif int ret; +#if defined(CONFIG_NEEDS_MANUAL_RELOC) + if (ops->setbrg) + ops->setbrg += gd->reloc_off; + if (ops->getc) + ops->getc += gd->reloc_off; + if (ops->putc) + ops->putc += gd->reloc_off; + if (ops->pending) + ops->pending += gd->reloc_off; + if (ops->clear) + ops->clear += gd->reloc_off; +#if CONFIG_POST & CONFIG_SYS_POST_UART + if (ops->loop) + ops->loop += gd->reloc_off +#endif +#endif /* Set the baud rate */ if (ops->setbrg) { ret = ops->setbrg(dev, gd->baudrate); diff --git a/drivers/serial/serial_ppc.c b/drivers/serial/serial_ppc.c new file mode 100644 index 0000000000..47141c64eb --- /dev/null +++ b/drivers/serial/serial_ppc.c @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2014 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <ns16550.h> +#include <serial.h> + +static const struct udevice_id ppc_serial_ids[] = { + { .compatible = "ns16550" }, + { } +}; + +static int ppc_serial_ofdata_to_platdata(struct udevice *dev) +{ + struct ns16550_platdata *plat = dev_get_platdata(dev); + int ret; + + ret = ns16550_serial_ofdata_to_platdata(dev); + if (ret) + return ret; + plat->clock = get_serial_clock(); + + return 0; +} + +U_BOOT_DRIVER(serial_ns16550) = { + .name = "serial_ppc", + .id = UCLASS_SERIAL, + .of_match = ppc_serial_ids, + .ofdata_to_platdata = ppc_serial_ofdata_to_platdata, + .platdata_auto_alloc_size = sizeof(struct ns16550_platdata), + .priv_auto_alloc_size = sizeof(struct NS16550), + .probe = ns16550_serial_probe, + .ops = &ns16550_serial_ops, + .flags = DM_FLAG_PRE_RELOC, +}; diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c index 7c1f271376..3641c9f834 100644 --- a/drivers/serial/serial_sh.c +++ b/drivers/serial/serial_sh.c @@ -1,78 +1,21 @@ /* * SuperH SCIF device driver. * Copyright (C) 2013 Renesas Electronics Corporation - * Copyright (C) 2007,2008,2010 Nobuhiro Iwamatsu + * Copyright (C) 2007,2008,2010, 2014 Nobuhiro Iwamatsu * Copyright (C) 2002 - 2008 Paul Mundt * * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> +#include <errno.h> +#include <dm.h> #include <asm/io.h> #include <asm/processor.h> -#include "serial_sh.h" #include <serial.h> #include <linux/compiler.h> - -#if defined(CONFIG_CONS_SCIF0) -# define SCIF_BASE SCIF0_BASE -#elif defined(CONFIG_CONS_SCIF1) -# define SCIF_BASE SCIF1_BASE -#elif defined(CONFIG_CONS_SCIF2) -# define SCIF_BASE SCIF2_BASE -#elif defined(CONFIG_CONS_SCIF3) -# define SCIF_BASE SCIF3_BASE -#elif defined(CONFIG_CONS_SCIF4) -# define SCIF_BASE SCIF4_BASE -#elif defined(CONFIG_CONS_SCIF5) -# define SCIF_BASE SCIF5_BASE -#elif defined(CONFIG_CONS_SCIF6) -# define SCIF_BASE SCIF6_BASE -#elif defined(CONFIG_CONS_SCIF7) -# define SCIF_BASE SCIF7_BASE -#else -# error "Default SCIF doesn't set....." -#endif - -#if defined(CONFIG_SCIF_A) - #define SCIF_BASE_PORT PORT_SCIFA -#else - #define SCIF_BASE_PORT PORT_SCIF -#endif - -static struct uart_port sh_sci = { - .membase = (unsigned char*)SCIF_BASE, - .mapbase = SCIF_BASE, - .type = SCIF_BASE_PORT, -}; - -static void sh_serial_setbrg(void) -{ - DECLARE_GLOBAL_DATA_PTR; -#ifdef CONFIG_SCIF_USE_EXT_CLK - unsigned short dl = DL_VALUE(gd->baudrate, CONFIG_SH_SCIF_CLK_FREQ); - sci_out(&sh_sci, DL, dl); - /* Need wait: Clock * 1/dl $B!_(B 1/16 */ - udelay((1000000 * dl * 16 / CONFIG_SYS_CLK_FREQ) * 1000 + 1); -#else - sci_out(&sh_sci, SCBRR, - SCBRR_VALUE(gd->baudrate, CONFIG_SH_SCIF_CLK_FREQ)); -#endif -} - -static int sh_serial_init(void) -{ - sci_out(&sh_sci, SCSCR , SCSCR_INIT(&sh_sci)); - sci_out(&sh_sci, SCSCR , SCSCR_INIT(&sh_sci)); - sci_out(&sh_sci, SCSMR, 0); - sci_out(&sh_sci, SCSMR, 0); - sci_out(&sh_sci, SCFCR, SCFCR_RFRST|SCFCR_TFRST); - sci_in(&sh_sci, SCFCR); - sci_out(&sh_sci, SCFCR, 0); - - serial_setbrg(); - return 0; -} +#include <dm/platform_data/serial_sh.h> +#include "serial_sh.h" #if defined(CONFIG_CPU_SH7760) || \ defined(CONFIG_CPU_SH7780) || \ @@ -86,7 +29,7 @@ static int scif_rxfill(struct uart_port *port) static int scif_rxfill(struct uart_port *port) { if ((port->mapbase == 0xffe00000) || - (port->mapbase == 0xffe08000)) { + (port->mapbase == 0xffe08000)) { /* SCIF0/1*/ return sci_in(port, SCRFDR) & 0xff; } else { @@ -109,80 +52,253 @@ static int scif_rxfill(struct uart_port *port) } #endif -static int serial_rx_fifo_level(void) +static void sh_serial_init_generic(struct uart_port *port) { - return scif_rxfill(&sh_sci); + sci_out(port, SCSCR , SCSCR_INIT(port)); + sci_out(port, SCSCR , SCSCR_INIT(port)); + sci_out(port, SCSMR, 0); + sci_out(port, SCSMR, 0); + sci_out(port, SCFCR, SCFCR_RFRST|SCFCR_TFRST); + sci_in(port, SCFCR); + sci_out(port, SCFCR, 0); } -static void handle_error(void) +static void +sh_serial_setbrg_generic(struct uart_port *port, int clk, int baudrate) { - sci_in(&sh_sci, SCxSR); - sci_out(&sh_sci, SCxSR, SCxSR_ERROR_CLEAR(&sh_sci)); - sci_in(&sh_sci, SCLSR); - sci_out(&sh_sci, SCLSR, 0x00); + if (port->clk_mode == EXT_CLK) { + unsigned short dl = DL_VALUE(baudrate, clk); + sci_out(port, DL, dl); + /* Need wait: Clock * 1/dl $B!_(B 1/16 */ + udelay((1000000 * dl * 16 / clk) * 1000 + 1); + } else { + sci_out(port, SCBRR, SCBRR_VALUE(baudrate, clk)); + } } -static void serial_raw_putc(const char c) +static void handle_error(struct uart_port *port) { - while (1) { - /* Tx fifo is empty */ - if (sci_in(&sh_sci, SCxSR) & SCxSR_TEND(&sh_sci)) - break; - } + sci_in(port, SCxSR); + sci_out(port, SCxSR, SCxSR_ERROR_CLEAR(port)); + sci_in(port, SCLSR); + sci_out(port, SCLSR, 0x00); +} + +static int serial_raw_putc(struct uart_port *port, const char c) +{ + /* Tx fifo is empty */ + if (!(sci_in(port, SCxSR) & SCxSR_TEND(port))) + return -EAGAIN; - sci_out(&sh_sci, SCxTDR, c); - sci_out(&sh_sci, SCxSR, sci_in(&sh_sci, SCxSR) & ~SCxSR_TEND(&sh_sci)); + sci_out(port, SCxTDR, c); + sci_out(port, SCxSR, sci_in(port, SCxSR) & ~SCxSR_TEND(port)); + + return 0; } -static void sh_serial_putc(const char c) +static int serial_rx_fifo_level(struct uart_port *port) { - if (c == '\n') - serial_raw_putc('\r'); - serial_raw_putc(c); + return scif_rxfill(port); } -static int sh_serial_tstc(void) +static int sh_serial_tstc_generic(struct uart_port *port) { - if (sci_in(&sh_sci, SCxSR) & SCIF_ERRORS) { - handle_error(); + if (sci_in(port, SCxSR) & SCIF_ERRORS) { + handle_error(port); return 0; } - return serial_rx_fifo_level() ? 1 : 0; + return serial_rx_fifo_level(port) ? 1 : 0; } - -static int serial_getc_check(void) +static int serial_getc_check(struct uart_port *port) { unsigned short status; - status = sci_in(&sh_sci, SCxSR); + status = sci_in(port, SCxSR); if (status & SCIF_ERRORS) - handle_error(); - if (sci_in(&sh_sci, SCLSR) & SCxSR_ORER(&sh_sci)) - handle_error(); - return status & (SCIF_DR | SCxSR_RDxF(&sh_sci)); + handle_error(port); + if (sci_in(port, SCLSR) & SCxSR_ORER(port)) + handle_error(port); + return status & (SCIF_DR | SCxSR_RDxF(port)); } -static int sh_serial_getc(void) +static int sh_serial_getc_generic(struct uart_port *port) { unsigned short status; char ch; - while (!serial_getc_check()) - ; + if (!serial_getc_check(port)) + return -EAGAIN; - ch = sci_in(&sh_sci, SCxRDR); - status = sci_in(&sh_sci, SCxSR); + ch = sci_in(port, SCxRDR); + status = sci_in(port, SCxSR); - sci_out(&sh_sci, SCxSR, SCxSR_RDxF_CLEAR(&sh_sci)); + sci_out(port, SCxSR, SCxSR_RDxF_CLEAR(port)); if (status & SCIF_ERRORS) - handle_error(); + handle_error(port); + + if (sci_in(port, SCLSR) & SCxSR_ORER(port)) + handle_error(port); + + return ch; +} + +#ifdef CONFIG_DM_SERIAL + +static int sh_serial_pending(struct udevice *dev, bool input) +{ + struct uart_port *priv = dev_get_priv(dev); + + return sh_serial_tstc_generic(priv); +} + +static int sh_serial_putc(struct udevice *dev, const char ch) +{ + struct uart_port *priv = dev_get_priv(dev); + + return serial_raw_putc(priv, ch); +} + +static int sh_serial_getc(struct udevice *dev) +{ + struct uart_port *priv = dev_get_priv(dev); + + return sh_serial_getc_generic(priv); +} + +static int sh_serial_setbrg(struct udevice *dev, int baudrate) +{ + struct sh_serial_platdata *plat = dev_get_platdata(dev); + struct uart_port *priv = dev_get_priv(dev); + + sh_serial_setbrg_generic(priv, plat->clk, baudrate); + + return 0; +} + +static int sh_serial_probe(struct udevice *dev) +{ + struct sh_serial_platdata *plat = dev_get_platdata(dev); + struct uart_port *priv = dev_get_priv(dev); + + priv->membase = (unsigned char *)plat->base; + priv->mapbase = plat->base; + priv->type = plat->type; + priv->clk_mode = plat->clk_mode; + + sh_serial_init_generic(priv); + + return 0; +} + +static const struct dm_serial_ops sh_serial_ops = { + .putc = sh_serial_putc, + .pending = sh_serial_pending, + .getc = sh_serial_getc, + .setbrg = sh_serial_setbrg, +}; + +U_BOOT_DRIVER(serial_sh) = { + .name = "serial_sh", + .id = UCLASS_SERIAL, + .probe = sh_serial_probe, + .ops = &sh_serial_ops, + .flags = DM_FLAG_PRE_RELOC, + .priv_auto_alloc_size = sizeof(struct uart_port), +}; + +#else /* CONFIG_DM_SERIAL */ + +#if defined(CONFIG_CONS_SCIF0) +# define SCIF_BASE SCIF0_BASE +#elif defined(CONFIG_CONS_SCIF1) +# define SCIF_BASE SCIF1_BASE +#elif defined(CONFIG_CONS_SCIF2) +# define SCIF_BASE SCIF2_BASE +#elif defined(CONFIG_CONS_SCIF3) +# define SCIF_BASE SCIF3_BASE +#elif defined(CONFIG_CONS_SCIF4) +# define SCIF_BASE SCIF4_BASE +#elif defined(CONFIG_CONS_SCIF5) +# define SCIF_BASE SCIF5_BASE +#elif defined(CONFIG_CONS_SCIF6) +# define SCIF_BASE SCIF6_BASE +#elif defined(CONFIG_CONS_SCIF7) +# define SCIF_BASE SCIF7_BASE +#else +# error "Default SCIF doesn't set....." +#endif + +#if defined(CONFIG_SCIF_A) + #define SCIF_BASE_PORT PORT_SCIFA +#else + #define SCIF_BASE_PORT PORT_SCIF +#endif + +static struct uart_port sh_sci = { + .membase = (unsigned char *)SCIF_BASE, + .mapbase = SCIF_BASE, + .type = SCIF_BASE_PORT, +#ifdef CONFIG_SCIF_USE_EXT_CLK + .clk_mode = EXT_CLK, +#endif +}; + +static void sh_serial_setbrg(void) +{ + DECLARE_GLOBAL_DATA_PTR; + struct uart_port *port = &sh_sci; + + sh_serial_setbrg_generic(port, CONFIG_SH_SCIF_CLK_FREQ, gd->baudrate); +} + +static int sh_serial_init(void) +{ + struct uart_port *port = &sh_sci; + + sh_serial_init_generic(port); + serial_setbrg(); + + return 0; +} + +static void sh_serial_putc(const char c) +{ + struct uart_port *port = &sh_sci; + + if (c == '\n') { + while (1) { + if (serial_raw_putc(port, '\r') != -EAGAIN) + break; + } + } + while (1) { + if (serial_raw_putc(port, c) != -EAGAIN) + break; + } +} + +static int sh_serial_tstc(void) +{ + struct uart_port *port = &sh_sci; + + return sh_serial_tstc_generic(port); +} + +static int sh_serial_getc(void) +{ + struct uart_port *port = &sh_sci; + int ch; + + while (1) { + ch = sh_serial_getc_generic(port); + if (ch != -EAGAIN) + break; + } - if (sci_in(&sh_sci, SCLSR) & SCxSR_ORER(&sh_sci)) - handle_error(); return ch; } @@ -206,3 +322,4 @@ __weak struct serial_device *default_serial_console(void) { return &sh_serial_drv; } +#endif /* CONFIG_DM_SERIAL */ diff --git a/drivers/serial/serial_sh.h b/drivers/serial/serial_sh.h index ef88c8f273..528aa7351d 100644 --- a/drivers/serial/serial_sh.h +++ b/drivers/serial/serial_sh.h @@ -2,18 +2,16 @@ * Copy and modify from linux/drivers/serial/sh-sci.h */ +#include <dm/platform_data/serial_sh.h> + struct uart_port { unsigned long iobase; /* in/out[bwl] */ unsigned char *membase; /* read/write[bwl] */ unsigned long mapbase; /* for ioremap */ - unsigned int type; /* port type */ + enum sh_serial_type type; /* port type */ + enum sh_clk_mode clk_mode; /* clock mode */ }; -#define PORT_SCI 52 -#define PORT_SCIF 53 -#define PORT_SCIFA 83 -#define PORT_SCIFB 93 - #if defined(CONFIG_H83007) || defined(CONFIG_H83068) #include <asm/regs306x.h> #endif @@ -526,6 +524,7 @@ SCIF_FNS(SCFDR, 0x1c, 16) SCIF_FNS(SCxTDR, 0x20, 8) SCIF_FNS(SCxRDR, 0x24, 8) SCIF_FNS(SCLSR, 0x00, 0) +SCIF_FNS(DL, 0x00, 0) /* dummy */ #elif defined(CONFIG_ARCH_SH7372) || \ defined(CONFIG_R8A7740) SCIF_FNS(SCSMR, 0x00, 16) @@ -541,6 +540,7 @@ SCIF_FNS(SCRFDR, 0x3c, 16) SCIx_FNS(SCxTDR, 0x20, 8, 0x40, 8) SCIx_FNS(SCxRDR, 0x24, 8, 0x60, 8) SCIF_FNS(SCLSR, 0x00, 0) +SCIF_FNS(DL, 0x00, 0) /* dummy */ #elif defined(CONFIG_CPU_SH7723) ||\ defined(CONFIG_CPU_SH7724) SCIx_FNS(SCSMR, 0x00, 16, 0x00, 16) @@ -555,6 +555,7 @@ SCIF_FNS(SCFER, 0x10, 16) SCIF_FNS(SCFCR, 0x18, 16) SCIF_FNS(SCFDR, 0x1c, 16) SCIF_FNS(SCLSR, 0x24, 16) +SCIF_FNS(DL, 0x00, 0) /* dummy */ #else /* reg SCI/SH3 SCI/SH4 SCIF/SH3 SCIF/SH4 SCI/H8*/ /* name off sz off sz off sz off sz off sz*/ @@ -583,18 +584,21 @@ SCIF_FNS(SCRFDR, 0x0e, 16, 0x20, 16) SCIF_FNS(SCSPTR, 0, 0, 0x24, 16) SCIF_FNS(SCLSR, 0, 0, 0x28, 16) #else + SCIF_FNS(SCFDR, 0x0e, 16, 0x1C, 16) #if defined(CONFIG_CPU_SH7722) SCIF_FNS(SCSPTR, 0, 0, 0, 0) #else SCIF_FNS(SCSPTR, 0, 0, 0x20, 16) #endif +SCIF_FNS(SCLSR, 0, 0, 0x24, 16) +#endif #if defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \ defined(CONFIG_R8A7793) || defined(CONFIG_R8A7794) SCIF_FNS(DL, 0, 0, 0x30, 16) SCIF_FNS(CKS, 0, 0, 0x34, 16) -#endif -SCIF_FNS(SCLSR, 0, 0, 0x24, 16) +#else +SCIF_FNS(DL, 0, 0, 0x0, 0) /* dummy */ #endif #endif #define sci_in(port, reg) sci_##reg##_in(port) @@ -725,14 +729,14 @@ static inline int sci_rxd_in(struct uart_port *port) #define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(32*bps)-1) #elif defined(CONFIG_CPU_SH7723) ||\ defined(CONFIG_CPU_SH7724) -static inline int scbrr_calc(struct uart_port port, int bps, int clk) +static inline int scbrr_calc(struct uart_port *port, int bps, int clk) { - if (port.type == PORT_SCIF) + if (port->type == PORT_SCIF) return (clk+16*bps)/(32*bps)-1; else return ((clk*2)+16*bps)/(16*bps)-1; } -#define SCBRR_VALUE(bps, clk) scbrr_calc(sh_sci, bps, clk) +#define SCBRR_VALUE(bps, clk) scbrr_calc(port, bps, clk) #elif defined(__H8300H__) || defined(__H8300S__) #define SCBRR_VALUE(bps, clk) (((clk*1000/32)/bps)-1) #elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \ @@ -742,3 +746,7 @@ static inline int scbrr_calc(struct uart_port port, int bps, int clk) #else /* Generic SH */ #define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1) #endif + +#ifndef DL_VALUE +#define DL_VALUE(bps, clk) 0 +#endif diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index e1678e63e6..7ae2727cf7 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -2,5 +2,11 @@ config DM_SPI bool "Enable Driver Model for SPI drivers" depends on DM help - If you want to use driver model for SPI drivers, say Y. - To use legacy SPI drivers, say N. + Enable driver model for SPI. The SPI slave interface + (spi_setup_slave(), spi_xfer(), etc.) is then implemented by + the SPI uclass. Drivers provide methods to access the SPI + buses that they control. The uclass interface is defined in + include/spi.h. The existing spi_slave structure is attached + as 'parent data' to every slave on each bus. Slaves + typically use driver-private data instead of extending the + spi_slave structure. diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig new file mode 100644 index 0000000000..3c6b36d1cf --- /dev/null +++ b/drivers/thermal/Kconfig @@ -0,0 +1,7 @@ +config DM_THERMAL + bool "Driver support for thermal devices" + help + Enable support for temporary-sensing devices. Some SoCs have on-chip + temperature sensors to permit warnings, speed throttling or even + automatic power-off when the temperature gets too high or low. Other + devices may be discrete but connected on a suitable bus. |
