diff options
author | Tom Rini <trini@konsulko.com> | 2016-07-11 18:50:29 -0400 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2016-07-11 18:50:29 -0400 |
commit | bff97dde8c8cf6fd5f04bb26fca83f61eadc1741 (patch) | |
tree | 544f4a0d7d5668388eaf8a157c16cf6bb8ead134 | |
parent | 94fbd3e37d6bdbf5490a185607ca20f862637220 (diff) | |
parent | 96907c0fe50a856f66f60ade68864a2d7949bf15 (diff) |
Merge branch 'master' of git://git.denx.de/u-boot-spi
-rw-r--r-- | arch/arm/dts/dra7-evm.dts | 6 | ||||
-rw-r--r-- | arch/arm/dts/dra72-evm.dts | 6 | ||||
-rw-r--r-- | arch/arm/dts/k2e-evm.dts | 3 | ||||
-rw-r--r-- | arch/arm/dts/k2g-evm.dts | 69 | ||||
-rw-r--r-- | arch/arm/dts/k2g.dtsi | 61 | ||||
-rw-r--r-- | arch/arm/dts/k2hk-evm.dts | 3 | ||||
-rw-r--r-- | arch/arm/dts/k2l-evm.dts | 3 | ||||
-rw-r--r-- | arch/arm/dts/keystone.dtsi | 3 | ||||
-rw-r--r-- | cmd/sf.c | 2 | ||||
-rw-r--r-- | common/env_sf.c | 8 | ||||
-rw-r--r-- | configs/k2e_evm_defconfig | 2 | ||||
-rw-r--r-- | configs/k2g_evm_defconfig | 4 | ||||
-rw-r--r-- | configs/k2hk_evm_defconfig | 2 | ||||
-rw-r--r-- | configs/k2l_evm_defconfig | 2 | ||||
-rw-r--r-- | drivers/core/device.c | 11 | ||||
-rw-r--r-- | drivers/spi/cadence_qspi.c | 3 | ||||
-rw-r--r-- | drivers/spi/cadence_qspi.h | 2 | ||||
-rw-r--r-- | drivers/spi/cadence_qspi_apb.c | 15 | ||||
-rw-r--r-- | drivers/spi/davinci_spi.c | 329 | ||||
-rw-r--r-- | drivers/spi/spi-uclass.c | 10 | ||||
-rw-r--r-- | include/configs/k2g_evm.h | 6 | ||||
-rw-r--r-- | include/configs/ti_armv7_keystone2.h | 4 | ||||
-rw-r--r-- | include/dm/device.h | 13 |
23 files changed, 450 insertions, 117 deletions
diff --git a/arch/arm/dts/dra7-evm.dts b/arch/arm/dts/dra7-evm.dts index 08ef04e177b..429b9edc1b2 100644 --- a/arch/arm/dts/dra7-evm.dts +++ b/arch/arm/dts/dra7-evm.dts @@ -491,15 +491,13 @@ pinctrl-names = "default"; pinctrl-0 = <&qspi1_pins>; - spi-max-frequency = <48000000>; + spi-max-frequency = <64000000>; m25p80@0 { compatible = "s25fl256s1","spi-flash"; - spi-max-frequency = <48000000>; + spi-max-frequency = <64000000>; reg = <0>; spi-tx-bus-width = <1>; spi-rx-bus-width = <4>; - spi-cpol; - spi-cpha; #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm/dts/dra72-evm.dts b/arch/arm/dts/dra72-evm.dts index 205103e2b0e..ced2f1166d8 100644 --- a/arch/arm/dts/dra72-evm.dts +++ b/arch/arm/dts/dra72-evm.dts @@ -603,15 +603,13 @@ pinctrl-names = "default"; pinctrl-0 = <&qspi1_pins>; - spi-max-frequency = <48000000>; + spi-max-frequency = <64000000>; m25p80@0 { compatible = "s25fl256s1","spi-flash"; - spi-max-frequency = <48000000>; + spi-max-frequency = <64000000>; reg = <0>; spi-tx-bus-width = <1>; spi-rx-bus-width = <4>; - spi-cpol; - spi-cpha; #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm/dts/k2e-evm.dts b/arch/arm/dts/k2e-evm.dts index 50c83c21d91..e2c3fb49102 100644 --- a/arch/arm/dts/k2e-evm.dts +++ b/arch/arm/dts/k2e-evm.dts @@ -119,10 +119,11 @@ }; &spi0 { + status = "okay"; nor_flash: n25q128a11@0 { #address-cells = <1>; #size-cells = <1>; - compatible = "Micron,n25q128a11"; + compatible = "Micron,n25q128a11", "spi-flash"; spi-max-frequency = <54000000>; m25p,fast-read; reg = <0>; diff --git a/arch/arm/dts/k2g-evm.dts b/arch/arm/dts/k2g-evm.dts index 0ca36ef39ad..e95efd47670 100644 --- a/arch/arm/dts/k2g-evm.dts +++ b/arch/arm/dts/k2g-evm.dts @@ -31,3 +31,72 @@ &gbe0 { phy-handle = <ðphy0>; }; + +&spi1 { + status = "okay"; + + spi_nor: flash@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "spi-flash"; + spi-max-frequency = <50000000>; + m25p,fast-read; + reg = <0>; + + partition@0 { + label = "u-boot-spl"; + reg = <0x0 0x80000>; + read-only; + }; + + partition@1 { + label = "misc"; + reg = <0x80000 0xf80000>; + }; + }; +}; + +&qspi { + status = "okay"; + + flash0: m25p80@0 { + compatible = "s25fl512s","spi-flash"; + reg = <0>; + spi-tx-bus-width = <1>; + spi-rx-bus-width = <4>; + spi-max-frequency = <96000000>; + #address-cells = <1>; + #size-cells = <1>; + tshsl-ns = <392>; + tsd2d-ns = <392>; + tchsh-ns = <100>; + tslch-ns = <100>; + block-size = <18>; + + + partition@0 { + label = "QSPI.u-boot-spl-os"; + reg = <0x00000000 0x00100000>; + }; + partition@1 { + label = "QSPI.u-boot-env"; + reg = <0x00100000 0x00040000>; + }; + partition@2 { + label = "QSPI.skern"; + reg = <0x00140000 0x0040000>; + }; + partition@3 { + label = "QSPI.pmmc-firmware"; + reg = <0x00180000 0x0040000>; + }; + partition@4 { + label = "QSPI.kernel"; + reg = <0x001C0000 0x0800000>; + }; + partition@5 { + label = "QSPI.file-system"; + reg = <0x009C0000 0x3640000>; + }; + }; +}; diff --git a/arch/arm/dts/k2g.dtsi b/arch/arm/dts/k2g.dtsi index a3ed444d3c3..00cd4929733 100644 --- a/arch/arm/dts/k2g.dtsi +++ b/arch/arm/dts/k2g.dtsi @@ -19,6 +19,11 @@ aliases { serial0 = &uart0; + spi0 = &spi0; + spi1 = &spi1; + spi2 = &spi2; + spi3 = &spi3; + spi4 = &qspi; }; memory { @@ -80,6 +85,19 @@ bus_freq = <2500000>; }; + qspi: qspi@2940000 { + compatible = "cadence,qspi"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x02940000 0x1000>, + <0x24000000 0x4000000>; + interrupts = <GIC_SPI 198 IRQ_TYPE_EDGE_RISING>; + num-cs = <4>; + fifo-depth = <256>; + sram-size = <256>; + status = "disabled"; + }; + #include "k2g-netcp.dtsi" pmmc: pmmc@2900000 { @@ -88,5 +106,48 @@ ti,lpsc_module = <1>; }; + spi0: spi@21805400 { + compatible = "ti,keystone-spi", "ti,dm6441-spi"; + reg = <0x21805400 0x200>; + num-cs = <4>; + ti,davinci-spi-intr-line = <0>; + interrupts = <GIC_SPI 64 IRQ_TYPE_EDGE_RISING>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + spi1: spi@21805800 { + compatible = "ti,keystone-spi", "ti,dm6441-spi"; + reg = <0x21805800 0x200>; + num-cs = <4>; + ti,davinci-spi-intr-line = <0>; + interrupts = <GIC_SPI 66 IRQ_TYPE_EDGE_RISING>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + spi2: spi@21805c00 { + compatible = "ti,keystone-spi", "ti,dm6441-spi"; + reg = <0x21805C00 0x200>; + num-cs = <4>; + ti,davinci-spi-intr-line = <0>; + interrupts = <GIC_SPI 68 IRQ_TYPE_EDGE_RISING>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + spi3: spi@21806000 { + compatible = "ti,keystone-spi", "ti,dm6441-spi"; + reg = <0x21806000 0x200>; + num-cs = <4>; + ti,davinci-spi-intr-line = <0>; + interrupts = <GIC_SPI 70 IRQ_TYPE_EDGE_RISING>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; }; }; diff --git a/arch/arm/dts/k2hk-evm.dts b/arch/arm/dts/k2hk-evm.dts index 660ebf58d54..c5cad2c9da8 100644 --- a/arch/arm/dts/k2hk-evm.dts +++ b/arch/arm/dts/k2hk-evm.dts @@ -147,10 +147,11 @@ }; &spi0 { + status = "okay"; nor_flash: n25q128a11@0 { #address-cells = <1>; #size-cells = <1>; - compatible = "Micron,n25q128a11"; + compatible = "Micron,n25q128a11", "spi-flash"; spi-max-frequency = <54000000>; m25p,fast-read; reg = <0>; diff --git a/arch/arm/dts/k2l-evm.dts b/arch/arm/dts/k2l-evm.dts index 9a69a6b5537..da0661ba3e8 100644 --- a/arch/arm/dts/k2l-evm.dts +++ b/arch/arm/dts/k2l-evm.dts @@ -96,10 +96,11 @@ }; &spi0 { + status ="okay"; nor_flash: n25q128a11@0 { #address-cells = <1>; #size-cells = <1>; - compatible = "Micron,n25q128a11"; + compatible = "Micron,n25q128a11", "spi-flash"; spi-max-frequency = <54000000>; m25p,fast-read; reg = <0>; diff --git a/arch/arm/dts/keystone.dtsi b/arch/arm/dts/keystone.dtsi index f39b969f8d4..be97f3f21f9 100644 --- a/arch/arm/dts/keystone.dtsi +++ b/arch/arm/dts/keystone.dtsi @@ -19,6 +19,9 @@ aliases { serial0 = &uart0; + spi0 = &spi0; + spi1 = &spi1; + spi2 = &spi2; }; chosen { @@ -88,6 +88,8 @@ static int do_spi_flash_probe(int argc, char * const argv[]) #ifdef CONFIG_DM_SPI_FLASH struct udevice *new, *bus_dev; int ret; + /* In DM mode defaults will be taken from DT */ + speed = 0, mode = 0; #else struct spi_flash *new; #endif diff --git a/common/env_sf.c b/common/env_sf.c index 273098ceb60..c53200f5c6f 100644 --- a/common/env_sf.c +++ b/common/env_sf.c @@ -55,9 +55,9 @@ int saveenv(void) #ifdef CONFIG_DM_SPI_FLASH struct udevice *new; + /* speed and mode will be read from DT */ ret = spi_flash_probe_bus_cs(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS, - CONFIG_ENV_SPI_MAX_HZ, - CONFIG_ENV_SPI_MODE, &new); + 0, 0, &new); if (ret) { set_default_env("!spi_flash_probe_bus_cs() failed"); return 1; @@ -245,9 +245,9 @@ int saveenv(void) #ifdef CONFIG_DM_SPI_FLASH struct udevice *new; + /* speed and mode will be read from DT */ ret = spi_flash_probe_bus_cs(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS, - CONFIG_ENV_SPI_MAX_HZ, - CONFIG_ENV_SPI_MODE, &new); + 0, 0, &new); if (ret) { set_default_env("!spi_flash_probe_bus_cs() failed"); return 1; diff --git a/configs/k2e_evm_defconfig b/configs/k2e_evm_defconfig index 9fcdfe9b9fa..65561b1393e 100644 --- a/configs/k2e_evm_defconfig +++ b/configs/k2e_evm_defconfig @@ -28,6 +28,8 @@ CONFIG_CMD_FS_GENERIC=y CONFIG_OF_CONTROL=y CONFIG_DM=y CONFIG_TI_AEMIF=y +CONFIG_DM_SPI=y +CONFIG_DM_SPI_FLASH=y CONFIG_SPI_FLASH=y CONFIG_SPI_FLASH_STMICRO=y CONFIG_DM_ETH=y diff --git a/configs/k2g_evm_defconfig b/configs/k2g_evm_defconfig index 8efa58c8c43..5d44e8deb3d 100644 --- a/configs/k2g_evm_defconfig +++ b/configs/k2g_evm_defconfig @@ -27,6 +27,8 @@ CONFIG_CMD_FAT=y CONFIG_CMD_FS_GENERIC=y CONFIG_OF_CONTROL=y CONFIG_DM=y +CONFIG_DM_SPI=y +CONFIG_DM_SPI_FLASH=y CONFIG_SPI_FLASH=y CONFIG_SPI_FLASH_STMICRO=y CONFIG_DM_ETH=y @@ -35,3 +37,5 @@ CONFIG_SYS_NS16550=y CONFIG_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y +CONFIG_SPI_FLASH_SPANSION=y +CONFIG_SPI_FLASH_BAR=y diff --git a/configs/k2hk_evm_defconfig b/configs/k2hk_evm_defconfig index 278eaf32fd8..8623e1ca88d 100644 --- a/configs/k2hk_evm_defconfig +++ b/configs/k2hk_evm_defconfig @@ -28,6 +28,8 @@ CONFIG_CMD_FS_GENERIC=y CONFIG_OF_CONTROL=y CONFIG_DM=y CONFIG_TI_AEMIF=y +CONFIG_DM_SPI=y +CONFIG_DM_SPI_FLASH=y CONFIG_SPI_FLASH=y CONFIG_SPI_FLASH_STMICRO=y CONFIG_DM_ETH=y diff --git a/configs/k2l_evm_defconfig b/configs/k2l_evm_defconfig index 8417e0ab075..9aa429cf5fc 100644 --- a/configs/k2l_evm_defconfig +++ b/configs/k2l_evm_defconfig @@ -28,6 +28,8 @@ CONFIG_CMD_FS_GENERIC=y CONFIG_OF_CONTROL=y CONFIG_DM=y CONFIG_TI_AEMIF=y +CONFIG_DM_SPI=y +CONFIG_DM_SPI_FLASH=y CONFIG_SPI_FLASH=y CONFIG_SPI_FLASH_STMICRO=y CONFIG_DM_ETH=y diff --git a/drivers/core/device.c b/drivers/core/device.c index eb75b1734f9..f7fb0cc0fa7 100644 --- a/drivers/core/device.c +++ b/drivers/core/device.c @@ -10,6 +10,7 @@ */ #include <common.h> +#include <asm/io.h> #include <fdtdec.h> #include <fdt_support.h> #include <malloc.h> @@ -697,6 +698,16 @@ void *dev_get_addr_ptr(struct udevice *dev) return (void *)(uintptr_t)dev_get_addr_index(dev, 0); } +void *dev_map_physmem(struct udevice *dev, unsigned long size) +{ + fdt_addr_t addr = dev_get_addr(dev); + + if (addr == FDT_ADDR_T_NONE) + return NULL; + + return map_physmem(addr, size, MAP_NOCACHE); +} + bool device_has_children(struct udevice *dev) { return !list_empty(&dev->child_head); diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c index 4f7fd525322..a5244fff4d9 100644 --- a/drivers/spi/cadence_qspi.c +++ b/drivers/spi/cadence_qspi.c @@ -191,6 +191,7 @@ static int cadence_spi_xfer(struct udevice *dev, unsigned int bitlen, struct udevice *bus = dev->parent; struct cadence_spi_platdata *plat = bus->platdata; struct cadence_spi_priv *priv = dev_get_priv(bus); + struct dm_spi_slave_platdata *dm_plat = dev_get_parent_platdata(dev); void *base = priv->regbase; u8 *cmd_buf = priv->cmd_buf; size_t data_bytes; @@ -250,7 +251,7 @@ static int cadence_spi_xfer(struct udevice *dev, unsigned int bitlen, break; case CQSPI_INDIRECT_READ: err = cadence_qspi_apb_indirect_read_setup(plat, - priv->cmd_len, cmd_buf); + priv->cmd_len, dm_plat->mode_rx, cmd_buf); if (!err) { err = cadence_qspi_apb_indirect_read_execute (plat, data_bytes, din); diff --git a/drivers/spi/cadence_qspi.h b/drivers/spi/cadence_qspi.h index 2912e36a53f..a849f7b1997 100644 --- a/drivers/spi/cadence_qspi.h +++ b/drivers/spi/cadence_qspi.h @@ -53,7 +53,7 @@ int cadence_qspi_apb_command_write(void *reg_base_addr, unsigned int txlen, const u8 *txbuf); int cadence_qspi_apb_indirect_read_setup(struct cadence_spi_platdata *plat, - unsigned int cmdlen, const u8 *cmdbuf); + unsigned int cmdlen, unsigned int rx_width, const u8 *cmdbuf); int cadence_qspi_apb_indirect_read_execute(struct cadence_spi_platdata *plat, unsigned int rxlen, u8 *rxbuf); int cadence_qspi_apb_indirect_write_setup(struct cadence_spi_platdata *plat, diff --git a/drivers/spi/cadence_qspi_apb.c b/drivers/spi/cadence_qspi_apb.c index a71531d3093..1a35d558a6d 100644 --- a/drivers/spi/cadence_qspi_apb.c +++ b/drivers/spi/cadence_qspi_apb.c @@ -29,6 +29,7 @@ #include <asm/io.h> #include <asm/errno.h> #include <wait_bit.h> +#include <spi.h> #include "cadence_qspi.h" #define CQSPI_REG_POLL_US (1) /* 1us */ @@ -45,7 +46,6 @@ #define CQSPI_INST_TYPE_QUAD (2) #define CQSPI_STIG_DATA_LEN_MAX (8) -#define CQSPI_INDIRECTTRIGGER_ADDR_MASK (0xFFFFF) #define CQSPI_DUMMY_CLKS_PER_BYTE (8) #define CQSPI_DUMMY_BYTES_MAX (4) @@ -549,7 +549,7 @@ int cadence_qspi_apb_command_write(void *reg_base, unsigned int cmdlen, /* Opcode + Address (3/4 bytes) + dummy bytes (0-4 bytes) */ int cadence_qspi_apb_indirect_read_setup(struct cadence_spi_platdata *plat, - unsigned int cmdlen, const u8 *cmdbuf) + unsigned int cmdlen, unsigned int rx_width, const u8 *cmdbuf) { unsigned int reg; unsigned int rd_reg; @@ -573,16 +573,15 @@ int cadence_qspi_apb_indirect_read_setup(struct cadence_spi_platdata *plat, addr_bytes = cmdlen - 1; /* Setup the indirect trigger address */ - writel(((u32)plat->ahbbase & CQSPI_INDIRECTTRIGGER_ADDR_MASK), + writel((u32)plat->ahbbase, plat->regbase + CQSPI_REG_INDIRECTTRIGGER); /* Configure the opcode */ rd_reg = cmdbuf[0] << CQSPI_REG_RD_INSTR_OPCODE_LSB; -#if (CONFIG_SPI_FLASH_QUAD == 1) - /* Instruction and address at DQ0, data at DQ0-3. */ - rd_reg |= CQSPI_INST_TYPE_QUAD << CQSPI_REG_RD_INSTR_TYPE_DATA_LSB; -#endif + if (rx_width & SPI_RX_QUAD) + /* Instruction and address at DQ0, data at DQ0-3. */ + rd_reg |= CQSPI_INST_TYPE_QUAD << CQSPI_REG_RD_INSTR_TYPE_DATA_LSB; /* Get address */ addr_value = cadence_qspi_apb_cmd2addr(&cmdbuf[1], addr_bytes); @@ -714,7 +713,7 @@ int cadence_qspi_apb_indirect_write_setup(struct cadence_spi_platdata *plat, return -EINVAL; } /* Setup the indirect trigger address */ - writel(((u32)plat->ahbbase & CQSPI_INDIRECTTRIGGER_ADDR_MASK), + writel((u32)plat->ahbbase, plat->regbase + CQSPI_REG_INDIRECTTRIGGER); /* Configure the opcode */ diff --git a/drivers/spi/davinci_spi.c b/drivers/spi/davinci_spi.c index 0bd4f88926f..20aa99a451d 100644 --- a/drivers/spi/davinci_spi.c +++ b/drivers/spi/davinci_spi.c @@ -14,6 +14,7 @@ #include <malloc.h> #include <asm/io.h> #include <asm/arch/hardware.h> +#include <dm.h> /* SPIGCR0 */ #define SPIGCR0_SPIENA_MASK 0x1 @@ -51,6 +52,7 @@ /* SPIDEF */ #define SPIDEF_CSDEF0_MASK BIT(0) +#ifndef CONFIG_DM_SPI #define SPI0_BUS 0 #define SPI0_BASE CONFIG_SYS_SPI_BASE /* @@ -83,6 +85,9 @@ #define SPI2_NUM_CS CONFIG_SYS_SPI2_NUM_CS #define SPI2_BASE CONFIG_SYS_SPI2_BASE #endif +#endif + +DECLARE_GLOBAL_DATA_PTR; /* davinci spi register set */ struct davinci_spi_regs { @@ -114,16 +119,17 @@ struct davinci_spi_regs { /* davinci spi slave */ struct davinci_spi_slave { +#ifndef CONFIG_DM_SPI struct spi_slave slave; +#endif struct davinci_spi_regs *regs; - unsigned int freq; + unsigned int freq; /* current SPI bus frequency */ + unsigned int mode; /* current SPI mode used */ + u8 num_cs; /* total no. of CS available */ + u8 cur_cs; /* CS of current slave */ + bool half_duplex; /* true, if master is half-duplex only */ }; -static inline struct davinci_spi_slave *to_davinci_spi(struct spi_slave *slave) -{ - return container_of(slave, struct davinci_spi_slave, slave); -} - /* * This functions needs to act like a macro to avoid pipeline reloads in the * loops below. Use always_inline. This gains us about 160KiB/s and the bloat @@ -144,15 +150,14 @@ static inline u32 davinci_spi_xfer_data(struct davinci_spi_slave *ds, u32 data) return buf_reg_val; } -static int davinci_spi_read(struct spi_slave *slave, unsigned int len, +static int davinci_spi_read(struct davinci_spi_slave *ds, unsigned int len, u8 *rxp, unsigned long flags) { - struct davinci_spi_slave *ds = to_davinci_spi(slave); unsigned int data1_reg_val; /* enable CS hold, CS[n] and clear the data bits */ data1_reg_val = ((1 << SPIDAT1_CSHOLD_SHIFT) | - (slave->cs << SPIDAT1_CSNR_SHIFT)); + (ds->cur_cs << SPIDAT1_CSNR_SHIFT)); /* wait till TXFULL is deasserted */ while (readl(&ds->regs->buf) & SPIBUF_TXFULL_MASK) @@ -175,15 +180,14 @@ static int davinci_spi_read(struct spi_slave *slave, unsigned int len, return 0; } -static int davinci_spi_write(struct spi_slave *slave, unsigned int len, +static int davinci_spi_write(struct davinci_spi_slave *ds, unsigned int len, const u8 *txp, unsigned long flags) { - struct davinci_spi_slave *ds = to_davinci_spi(slave); unsigned int data1_reg_val; /* enable CS hold and clear the data bits */ data1_reg_val = ((1 << SPIDAT1_CSHOLD_SHIFT) | - (slave->cs << SPIDAT1_CSNR_SHIFT)); + (ds->cur_cs << SPIDAT1_CSNR_SHIFT)); /* wait till TXFULL is deasserted */ while (readl(&ds->regs->buf) & SPIBUF_TXFULL_MASK) @@ -209,16 +213,15 @@ static int davinci_spi_write(struct spi_slave *slave, unsigned int len, return 0; } -#ifndef CONFIG_SPI_HALF_DUPLEX -static int davinci_spi_read_write(struct spi_slave *slave, unsigned int len, - u8 *rxp, const u8 *txp, unsigned long flags) +static int davinci_spi_read_write(struct davinci_spi_slave *ds, unsigned + int len, u8 *rxp, const u8 *txp, + unsigned long flags) { - struct davinci_spi_slave *ds = to_davinci_spi(slave); unsigned int data1_reg_val; /* enable CS hold and clear the data bits */ data1_reg_val = ((1 << SPIDAT1_CSHOLD_SHIFT) | - (slave->cs << SPIDAT1_CSNR_SHIFT)); + (ds->cur_cs << SPIDAT1_CSNR_SHIFT)); /* wait till TXFULL is deasserted */ while (readl(&ds->regs->buf) & SPIBUF_TXFULL_MASK) @@ -237,7 +240,115 @@ static int davinci_spi_read_write(struct spi_slave *slave, unsigned int len, return 0; } -#endif + + +static int __davinci_spi_claim_bus(struct davinci_spi_slave *ds, int cs) +{ + unsigned int mode = 0, scalar; + + /* Enable the SPI hardware */ + writel(SPIGCR0_SPIRST_MASK, &ds->regs->gcr0); + udelay(1000); + writel(SPIGCR0_SPIENA_MASK, &ds->regs->gcr0); + + /* Set master mode, powered up and not activated */ + writel(SPIGCR1_MASTER_MASK | SPIGCR1_CLKMOD_MASK, &ds->regs->gcr1); + + /* CS, CLK, SIMO and SOMI are functional pins */ + writel(((1 << cs) | SPIPC0_CLKFUN_MASK | + SPIPC0_DOFUN_MASK | SPIPC0_DIFUN_MASK), &ds->regs->pc0); + + /* setup format */ + scalar = ((CONFIG_SYS_SPI_CLK / ds->freq) - 1) & 0xFF; + + /* + * Use following format: + * character length = 8, + * MSB shifted out first + */ + if (ds->mode & SPI_CPOL) + mode |= SPI_CPOL; + if (!(ds->mode & SPI_CPHA)) + mode |= SPI_CPHA; + writel(8 | (scalar << SPIFMT_PRESCALE_SHIFT) | + (mode << SPIFMT_PHASE_SHIFT), &ds->regs->fmt0); + + /* + * Including a minor delay. No science here. Should be good even with + * no delay + */ + writel((50 << SPI_C2TDELAY_SHIFT) | + (50 << SPI_T2CDELAY_SHIFT), &ds->regs->delay); + + /* default chip select register */ + writel(SPIDEF_CSDEF0_MASK, &ds->regs->def); + + /* no interrupts */ + writel(0, &ds->regs->int0); + writel(0, &ds->regs->lvl); + + /* enable SPI */ + writel((readl(&ds->regs->gcr1) | SPIGCR1_SPIENA_MASK), &ds->regs->gcr1); + + return 0; +} + +static int __davinci_spi_release_bus(struct davinci_spi_slave *ds) +{ + /* Disable the SPI hardware */ + writel(SPIGCR0_SPIRST_MASK, &ds->regs->gcr0); + + return 0; +} + +static int __davinci_spi_xfer(struct davinci_spi_slave *ds, + unsigned int bitlen, const void *dout, void *din, + unsigned long flags) +{ + unsigned int len; + + if (bitlen == 0) + /* Finish any previously submitted transfers */ + goto out; + + /* + * It's not clear how non-8-bit-aligned transfers are supposed to be + * represented as a stream of bytes...this is a limitation of + * the current SPI interface - here we terminate on receiving such a + * transfer request. + */ + if (bitlen % 8) { + /* Errors always terminate an ongoing transfer */ + flags |= SPI_XFER_END; + goto out; + } + + len = bitlen / 8; + + if (!dout) + return davinci_spi_read(ds, len, din, flags); + if (!din) + return davinci_spi_write(ds, len, dout, flags); + if (!ds->half_duplex) + return davinci_spi_read_write(ds, len, din, dout, flags); + + printf("SPI full duplex not supported\n"); + flags |= SPI_XFER_END; + +out: + if (flags & SPI_XFER_END) { + u8 dummy = 0; + davinci_spi_write(ds, 1, &dummy, flags); + } + return 0; +} + +#ifndef CONFIG_DM_SPI + +static inline struct davinci_spi_slave *to_davinci_spi(struct spi_slave *slave) +{ + return container_of(slave, struct davinci_spi_slave, slave); +} int spi_cs_is_valid(unsigned int bus, unsigned int cs) { @@ -313,6 +424,7 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, } ds->freq = max_hz; + ds->mode = mode; return &ds->slave; } @@ -324,104 +436,143 @@ void spi_free_slave(struct spi_slave *slave) free(ds); } +int spi_xfer(struct spi_slave *slave, unsigned int bitlen, + const void *dout, void *din, unsigned long flags) +{ + struct davinci_spi_slave *ds = to_davinci_spi(slave); + + ds->cur_cs = slave->cs; + + return __davinci_spi_xfer(ds, bitlen, dout, din, flags); +} + int spi_claim_bus(struct spi_slave *slave) { struct davinci_spi_slave *ds = to_davinci_spi(slave); - unsigned int scalar; - /* Enable the SPI hardware */ - writel(SPIGCR0_SPIRST_MASK, &ds->regs->gcr0); - udelay(1000); - writel(SPIGCR0_SPIENA_MASK, &ds->regs->gcr0); +#ifdef CONFIG_SPI_HALF_DUPLEX + ds->half_duplex = true; +#else + ds->half_duplex = false; +#endif + return __davinci_spi_claim_bus(ds, ds->slave.cs); +} - /* Set master mode, powered up and not activated */ - writel(SPIGCR1_MASTER_MASK | SPIGCR1_CLKMOD_MASK, &ds->regs->gcr1); +void spi_release_bus(struct spi_slave *slave) +{ + struct davinci_spi_slave *ds = to_davinci_spi(slave); - /* CS, CLK, SIMO and SOMI are functional pins */ - writel(((1 << slave->cs) | SPIPC0_CLKFUN_MASK | - SPIPC0_DOFUN_MASK | SPIPC0_DIFUN_MASK), &ds->regs->pc0); + __davinci_spi_release_bus(ds); +} - /* setup format */ - scalar = ((CONFIG_SYS_SPI_CLK / ds->freq) - 1) & 0xFF; +#else +static int davinci_spi_set_speed(struct udevice *bus, uint max_hz) +{ + struct davinci_spi_slave *ds = dev_get_priv(bus); - /* - * Use following format: - * character length = 8, - * clock signal delayed by half clk cycle, - * clock low in idle state - Mode 0, - * MSB shifted out first - */ - writel(8 | (scalar << SPIFMT_PRESCALE_SHIFT) | - (1 << SPIFMT_PHASE_SHIFT), &ds->regs->fmt0); + debug("%s speed %u\n", __func__, max_hz); + if (max_hz > CONFIG_SYS_SPI_CLK / 2) + return -EINVAL; - /* - * Including a minor delay. No science here. Should be good even with - * no delay - */ - writel((50 << SPI_C2TDELAY_SHIFT) | - (50 << SPI_T2CDELAY_SHIFT), &ds->regs->delay); + ds->freq = max_hz; - /* default chip select register */ - writel(SPIDEF_CSDEF0_MASK, &ds->regs->def); + return 0; +} - /* no interrupts */ - writel(0, &ds->regs->int0); - writel(0, &ds->regs->lvl); +static int davinci_spi_set_mode(struct udevice *bus, uint mode) +{ + struct davinci_spi_slave *ds = dev_get_priv(bus); - /* enable SPI */ - writel((readl(&ds->regs->gcr1) | SPIGCR1_SPIENA_MASK), &ds->regs->gcr1); + debug("%s mode %u\n", __func__, mode); + ds->mode = mode; return 0; } -void spi_release_bus(struct spi_slave *slave) +static int davinci_spi_claim_bus(struct udevice *dev) { - struct davinci_spi_slave *ds = to_davinci_spi(slave); + struct dm_spi_slave_platdata *slave_plat = + dev_get_parent_platdata(dev); + struct udevice *bus = dev->parent; + struct davinci_spi_slave *ds = dev_get_priv(bus); + + if (slave_plat->cs >= ds->num_cs) { + printf("Invalid SPI chipselect\n"); + return -EINVAL; + } + ds->half_duplex = slave_plat->mode & SPI_PREAMBLE; - /* Disable the SPI hardware */ - writel(SPIGCR0_SPIRST_MASK, &ds->regs->gcr0); + return __davinci_spi_claim_bus(ds, slave_plat->cs); } -int spi_xfer(struct spi_slave *slave, unsigned int bitlen, - const void *dout, void *din, unsigned long flags) +static int davinci_spi_release_bus(struct udevice *dev) { - unsigned int len; + struct davinci_spi_slave *ds = dev_get_priv(dev->parent); - if (bitlen == 0) - /* Finish any previously submitted transfers */ - goto out; + return __davinci_spi_release_bus(ds); +} - /* - * It's not clear how non-8-bit-aligned transfers are supposed to be - * represented as a stream of bytes...this is a limitation of - * the current SPI interface - here we terminate on receiving such a - * transfer request. - */ - if (bitlen % 8) { - /* Errors always terminate an ongoing transfer */ - flags |= SPI_XFER_END; - goto out; +static int davinci_spi_xfer(struct udevice *dev, unsigned int bitlen, + const void *dout, void *din, + unsigned long flags) +{ + struct dm_spi_slave_platdata *slave = + dev_get_parent_platdata(dev); + struct udevice *bus = dev->parent; + struct davinci_spi_slave *ds = dev_get_priv(bus); + + if (slave->cs >= ds->num_cs) { + printf("Invalid SPI chipselect\n"); + return -EINVAL; } + ds->cur_cs = slave->cs; - len = bitlen / 8; + return __davinci_spi_xfer(ds, bitlen, dout, din, flags); +} - if (!dout) - return davinci_spi_read(slave, len, din, flags); - else if (!din) - return davinci_spi_write(slave, len, dout, flags); -#ifndef CONFIG_SPI_HALF_DUPLEX - else - return davinci_spi_read_write(slave, len, din, dout, flags); -#else - printf("SPI full duplex transaction requested with " - "CONFIG_SPI_HALF_DUPLEX defined.\n"); - flags |= SPI_XFER_END; -#endif +static int davinci_spi_probe(struct udevice *bus) +{ + /* Nothing to do */ + return 0; +} -out: - if (flags & SPI_XFER_END) { - u8 dummy = 0; - davinci_spi_write(slave, 1, &dummy, flags); +static int davinci_ofdata_to_platadata(struct udevice *bus) +{ + struct davinci_spi_slave *ds = dev_get_priv(bus); + const void *blob = gd->fdt_blob; + int node = bus->of_offset; + + ds->regs = dev_map_physmem(bus, sizeof(struct davinci_spi_regs)); + if (!ds->regs) { + printf("%s: could not map device address\n", __func__); + return -EINVAL; } + ds->num_cs = fdtdec_get_int(blob, node, "num-cs", 4); + return 0; } + +static const struct dm_spi_ops davinci_spi_ops = { + .claim_bus = davinci_spi_claim_bus, + .release_bus = davinci_spi_release_bus, + .xfer = davinci_spi_xfer, + .set_speed = davinci_spi_set_speed, + .set_mode = davinci_spi_set_mode, +}; + +static const struct udevice_id davinci_spi_ids[] = { + { .compatible = "ti,keystone-spi" }, + { .compatible = "ti,dm6441-spi" }, + { } +}; + +U_BOOT_DRIVER(davinci_spi) = { + .name = "davinci_spi", + .id = UCLASS_SPI, + .of_match = davinci_spi_ids, + .ops = &davinci_spi_ops, + .ofdata_to_platdata = davinci_ofdata_to_platadata, + .priv_auto_alloc_size = sizeof(struct davinci_spi_slave), + .probe = davinci_spi_probe, +}; +#endif diff --git a/drivers/spi/spi-uclass.c b/drivers/spi/spi-uclass.c index 84b6786517c..8003f9bfc86 100644 --- a/drivers/spi/spi-uclass.c +++ b/drivers/spi/spi-uclass.c @@ -278,6 +278,7 @@ int spi_get_bus_and_cs(int busnum, int cs, int speed, int mode, struct udevice **busp, struct spi_slave **devp) { struct udevice *bus, *dev; + struct dm_spi_slave_platdata *plat; bool created = false; int ret; @@ -294,8 +295,6 @@ int spi_get_bus_and_cs(int busnum, int cs, int speed, int mode, * SPI flash chip - we will bind to the correct driver. */ if (ret == -ENODEV && drv_name) { - struct dm_spi_slave_platdata *plat; - debug("%s: Binding new device '%s', busnum=%d, cs=%d, driver=%s\n", __func__, dev_name, busnum, cs, drv_name); ret = device_bind_driver(bus, drv_name, dev_name, &dev); @@ -322,6 +321,11 @@ int spi_get_bus_and_cs(int busnum, int cs, int speed, int mode, slave->dev = dev; } + plat = dev_get_parent_platdata(dev); + if (!speed) { + speed = plat->max_hz; + mode = plat->mode; + } ret = spi_set_speed_mode(bus, speed, mode); if (ret) goto err; @@ -333,7 +337,7 @@ int spi_get_bus_and_cs(int busnum, int cs, int speed, int mode, return 0; err: - debug("%s: Error path, credted=%d, device '%s'\n", __func__, + debug("%s: Error path, created=%d, device '%s'\n", __func__, created, dev->name); if (created) { device_remove(dev); diff --git a/include/configs/k2g_evm.h b/include/configs/k2g_evm.h index f8bba6710db..71b00378ffb 100644 --- a/include/configs/k2g_evm.h +++ b/include/configs/k2g_evm.h @@ -73,4 +73,10 @@ #define CONFIG_SF_DEFAULT_BUS 1 #define CONFIG_SF_DEFAULT_CS 0 +#ifndef CONFIG_SPL_BUILD +#define CONFIG_CADENCE_QSPI +#define CONFIG_CQSPI_REF_CLK 384000000 +#define CONFIG_CQSPI_DECODER 0x0 +#endif + #endif /* __CONFIG_K2G_EVM_H */ diff --git a/include/configs/ti_armv7_keystone2.h b/include/configs/ti_armv7_keystone2.h index 2ee26c40367..4aa262e1a87 100644 --- a/include/configs/ti_armv7_keystone2.h +++ b/include/configs/ti_armv7_keystone2.h @@ -89,6 +89,10 @@ #define CONFIG_SYS_SPI2 #define CONFIG_SYS_SPI2_BASE KS2_SPI2_BASE #define CONFIG_SYS_SPI2_NUM_CS 4 +#ifdef CONFIG_SPL_BUILD +#undef CONFIG_DM_SPI +#undef CONFIG_DM_SPI_FLASH +#endif /* Network Configuration */ #define CONFIG_PHYLIB diff --git a/include/dm/device.h b/include/dm/device.h index f03bcd3b49e..1bfcf3bcbc0 100644 --- a/include/dm/device.h +++ b/include/dm/device.h @@ -467,6 +467,19 @@ fdt_addr_t dev_get_addr(struct udevice *dev); void *dev_get_addr_ptr(struct udevice *dev); /** + * dev_map_physmem() - Read device address from reg property of the + * device node and map the address into CPU address + * space. + * + * @dev: Pointer to device + * @size: size of the memory to map + * + * @return mapped address, or NULL if the device does not have reg + * property. + */ +void *dev_map_physmem(struct udevice *dev, unsigned long size); + +/** * dev_get_addr_index() - Get the indexed reg property of a device * * @dev: Pointer to a device |