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/OK3568_Linux_fs/kernel/drivers/spi/
H A Dspi-fsl-espi.c3 * Freescale eSPI controller driver.
22 /* eSPI Controller registers */
23 #define ESPI_SPMODE 0x00 /* eSPI mode register */
24 #define ESPI_SPIE 0x04 /* eSPI event register */
25 #define ESPI_SPIM 0x08 /* eSPI mask register */
26 #define ESPI_SPCOM 0x0c /* eSPI command register */
27 #define ESPI_SPITF 0x10 /* eSPI transmit FIFO access register*/
28 #define ESPI_SPIRF 0x14 /* eSPI receive FIFO access register*/
29 #define ESPI_SPMODE0 0x20 /* eSPI cs0 mode register */
33 /* eSPI Controller mode register definitions */
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H A Dspi-ep93xx.c115 struct ep93xx_spi *espi = spi_master_get_devdata(master); in ep93xx_spi_calc_divisors() local
116 unsigned long spi_clk_rate = clk_get_rate(espi->clk); in ep93xx_spi_calc_divisors()
150 struct ep93xx_spi *espi = spi_master_get_devdata(master); in ep93xx_spi_chip_setup() local
173 writel(div_cpsr, espi->mmio + SSPCPSR); in ep93xx_spi_chip_setup()
174 writel(cr0, espi->mmio + SSPCR0); in ep93xx_spi_chip_setup()
181 struct ep93xx_spi *espi = spi_master_get_devdata(master); in ep93xx_do_write() local
187 val = ((u16 *)xfer->tx_buf)[espi->tx]; in ep93xx_do_write()
188 espi->tx += 2; in ep93xx_do_write()
191 val = ((u8 *)xfer->tx_buf)[espi->tx]; in ep93xx_do_write()
192 espi->tx += 1; in ep93xx_do_write()
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H A Dspi-fsl-lib.h3 * Freescale SPI/eSPI controller driver library.
19 /* SPI/eSPI Controller driver's private data. */
/OK3568_Linux_fs/kernel/drivers/net/ethernet/chelsio/cxgb/
H A Despi.c3 * File: espi.c *
41 #include "espi.h"
88 pr_err("%s: ESPI clock not ready\n", adapter->name); in tricn_init()
117 void t1_espi_intr_enable(struct peespi *espi) in t1_espi_intr_enable() argument
119 u32 enable, pl_intr = readl(espi->adapter->regs + A_PL_ENABLE); in t1_espi_intr_enable()
122 * Cannot enable ESPI interrupts on T1B because HW asserts the in t1_espi_intr_enable()
123 * interrupt incorrectly, namely the driver gets ESPI interrupts in t1_espi_intr_enable()
124 * but no data is actually dropped (can verify this reading the ESPI in t1_espi_intr_enable()
125 * drop registers). Also, once the ESPI interrupt is asserted it in t1_espi_intr_enable()
128 enable = t1_is_T1B(espi->adapter) ? 0 : ESPI_INTR_MASK; in t1_espi_intr_enable()
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H A Despi.h3 * File: espi.h *
55 void t1_espi_destroy(struct peespi *espi);
56 int t1_espi_init(struct peespi *espi, int mac_type, int nports);
62 const struct espi_intr_counts *t1_espi_get_intr_counts(struct peespi *espi);
H A Dsubr.c46 #include "espi.h"
763 if (adapter->espi) { in t1_interrupts_enable()
765 t1_espi_intr_enable(adapter->espi); in t1_interrupts_enable()
795 if (adapter->espi) in t1_interrupts_disable()
796 t1_espi_intr_disable(adapter->espi); in t1_interrupts_disable()
821 if (adapter->espi) in t1_interrupts_clear()
822 t1_espi_intr_clear(adapter->espi); in t1_interrupts_clear()
857 t1_espi_intr_handler(adapter->espi); in asic_slow_intr()
975 if (adapter->espi && t1_espi_init(adapter->espi, bi->chip_mac, in t1_init_hw_modules()
1026 if (adapter->espi) in t1_free_sw_modules()
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H A DMakefile9 cxgb-objs := cxgb2.o espi.o tp.o pm3393.o sge.o subr.o \
/OK3568_Linux_fs/u-boot/drivers/spi/
H A Dfsl_espi.c2 * eSPI controller driver.
18 ccsr_espi_t *espi; member
82 fsl->espi = (void *)(CONFIG_SYS_MPC85xx_ESPI_ADDR); in spi_setup_slave()
86 /* Set eSPI BRG clock source */ in spi_setup_slave()
109 /* set tx_timeout to 10 times of one espi FIFO entry go out */ in spi_setup_slave()
130 ccsr_espi_t *espi = fsl->espi; in spi_claim_bus() local
139 /* Enable eSPI interface */ in spi_claim_bus()
140 out_be32(&espi->mode, ESPI_MODE_RXTHR(3) in spi_claim_bus()
143 out_be32(&espi->event, 0xffffffff); /* Clear all eSPI events */ in spi_claim_bus()
144 out_be32(&espi->mask, 0x00000000); /* Mask all eSPI interrupts */ in spi_claim_bus()
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H A DKconfig262 bool "Freescale eSPI driver"
264 Enable the Freescale eSPI driver. This driver can be used to
266 this Freescale eSPI IP core.
/OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/spi/
H A Dfsl-spi.txt39 * eSPI (Enhanced Serial Peripheral Interface)
42 - compatible : should be "fsl,mpc8536-espi".
44 - interrupts : should contain eSPI interrupt, the device has one interrupt.
45 - fsl,espi-num-chipselects : the number of the chipselect signals.
55 compatible = "fsl,mpc8536-espi";
59 fsl,espi-num-chipselects = <4>;
/OK3568_Linux_fs/u-boot/doc/
H A DREADME.pblimage5 The CoreNet SoC's can boot directly from eSPI FLASH, SD/MMC and
17 For eSPI boot(available on P2041/P3041/P4080/P5020/P5040/T4240):
18 To build the eSPI boot image:
31 boot image that can be flashed on the board eSPI flash, SD/MMC and NAND.
34 1). Boot from eSPI flash
35 Write u-boot.pbl to eSPI flash from offset 0x0.
100 #Initialize eSPI controller
/OK3568_Linux_fs/u-boot/board/freescale/corenet_ds/
H A Dpbi.cfg26 #Initialize eSPI controller, default configuration is slow for eSPI to
27 #load data, this configuration comes from u-boot eSPI driver.
/OK3568_Linux_fs/u-boot/board/varisys/cyrus/
H A Dpbi.cfg26 #Initialize eSPI controller, default configuration is slow for eSPI to
27 #load data, this configuration comes from u-boot eSPI driver.
/OK3568_Linux_fs/u-boot/board/freescale/t208xqds/
H A Dt208x_pbi.cfg25 #Initialize eSPI controller, default configuration is slow for eSPI to
26 #load data, this configuration comes from u-boot eSPI driver.
/OK3568_Linux_fs/u-boot/board/freescale/t208xrdb/
H A Dt2080_pbi.cfg25 #Initialize eSPI controller, default configuration is slow for eSPI to
26 #load data, this configuration comes from u-boot eSPI driver.
/OK3568_Linux_fs/u-boot/board/keymile/kmp204x/
H A Dpbi.cfg67 #Initialize eSPI controller, default configuration is slow for eSPI to
68 #load data, this configuration comes from u-boot eSPI driver.
/OK3568_Linux_fs/kernel/arch/powerpc/boot/dts/fsl/
H A Dqoriq-espi-0.dtsi2 * QorIQ eSPI device tree stub [ controller @ offset 0x110000 ]
38 compatible = "fsl,mpc8536-espi";
H A Dpq3-espi-0.dtsi2 * PQ3 eSPI device tree stub [ controller @ offset 0x7000 ]
38 compatible = "fsl,mpc8536-espi";
H A Dbsc9131si-post.dtsi85 /include/ "pq3-espi-0.dtsi"
87 fsl,espi-num-chipselects = <1>;
H A Dp1020si-post.dtsi129 /include/ "pq3-espi-0.dtsi"
131 fsl,espi-num-chipselects = <4>;
H A Dc293si-post.dtsi98 /include/ "pq3-espi-0.dtsi"
100 fsl,espi-num-chipselects = <1>;
/OK3568_Linux_fs/u-boot/board/freescale/p1022ds/
H A Dtlb.c76 /* **** - eSDHC/eSPI/NAND boot */
80 /* **** - eSDHC/eSPI/NAND boot - second 1GB of memory */
/OK3568_Linux_fs/u-boot/board/freescale/mpc8536ds/
H A DREADME49 and boot from eSPI. When power on, the porcessor excutes the ROM code to
50 initialize the eSPI/eSDHC controller, and loads the mian U-Boot image from
117 For boot from eSPI:
/OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/pinctrl/
H A Daspeed,ast2600-pinctrl.yaml35 ADC3, ADC4, ADC5, ADC6, ADC7, ADC8, ADC9, BMCINT, EMMC, ESPI, ESPIALT,
61 EMMCG8, ESPI, ESPIALT, FSI1, FSI2, FWSPIABR, FWSPID, FWSPIWP,
/OK3568_Linux_fs/u-boot/arch/arm/mach-aspeed/
H A DKconfig19 which is enabled by support of LPC and eSPI peripherals.

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