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D11177.id29542.diff

Index: sys/arm/freescale/imx/files.imx6
===================================================================
--- sys/arm/freescale/imx/files.imx6
+++ sys/arm/freescale/imx/files.imx6
@@ -23,6 +23,7 @@
arm/freescale/imx/imx6_sdma.c optional sdma
arm/freescale/imx/imx6_audmux.c optional sound
arm/freescale/imx/imx6_ssi.c optional sound
+arm/freescale/imx/imx6_ahci.c optional ahci
arm/arm/hdmi_if.m optional hdmi
arm/freescale/imx/imx6_hdmi.c optional hdmi
Index: sys/arm/freescale/imx/imx6_ahci.c
===================================================================
--- /dev/null
+++ sys/arm/freescale/imx/imx6_ahci.c
@@ -0,0 +1,345 @@
+/*-
+ * Copyright (c) 2017 Rogiel Sulzbach <rogiel@allogica.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/rman.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+
+#include <machine/bus.h>
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <dev/ahci/ahci.h>
+#include <arm/freescale/imx/imx_iomuxreg.h>
+#include <arm/freescale/imx/imx_iomuxvar.h>
+#include <arm/freescale/imx/imx_ccmvar.h>
+#include <arm/freescale/imx/imx6_ccmvar.h>
+
+#define SATA_P0PHYCR 0x00000178
+#define SATA_P0PHYCR_CR_READ (1 << 19)
+#define SATA_P0PHYCR_CR_WRITE (1 << 18)
+#define SATA_P0PHYCR_CR_CAP_DATA (1 << 17)
+#define SATA_P0PHYCR_CR_CAP_ADDR (1 << 16)
+#define SATA_P0PHYCR_CR_DATA_IN(v) ((v) & 0xffff)
+#define SATA_P0PHYSR 0x0000017c
+#define SATA_P0PHYSR_CR_ACK (1 << 18)
+#define SATA_P0PHYSR_CR_DATA_OUT(v) ((v) & 0xffff)
+
+#define SATA_TIMER1MS 0x000000e0
+
+/* phy registers */
+#define SATA_PHY_CLOCK_RESET 0x7f3f
+#define SATA_PHY_CLOCK_RESET_RST (1 << 0)
+
+#define SATA_PHY_LANE0_OUT_STAT 0x2003
+#define SATA_PHY_LANE0_OUT_STAT_RX_PLL_STATE (1 << 1)
+
+static int
+imx6_ahci_phy_ctrl(struct ahci_controller* sc, uint32_t bitmask, int on)
+{
+ uint32_t v;
+ int timeout;
+
+ v = ATA_INL(sc->r_mem, SATA_P0PHYCR);
+ if(on) {
+ v |= bitmask;
+ } else {
+ v &= ~bitmask;
+ }
+ ATA_OUTL(sc->r_mem, SATA_P0PHYCR, v);
+
+ for(timeout = 5000; timeout > 0; --timeout) {
+ v = ATA_INL(sc->r_mem, SATA_P0PHYSR);
+ if(!!(v & SATA_P0PHYSR_CR_ACK) == !!on) {
+ break;
+ }
+ DELAY(100);
+ }
+
+ if(timeout > 0) {
+ return 0;
+ }
+
+ return ETIMEDOUT;
+}
+
+static int
+imx6_ahci_phy_addr(struct ahci_controller* sc, uint32_t addr)
+{
+ int error;
+ DELAY(100);
+
+ ATA_OUTL(sc->r_mem, SATA_P0PHYCR, addr);
+
+ error = imx6_ahci_phy_ctrl(sc, SATA_P0PHYCR_CR_CAP_ADDR, 1);
+ if(error != 0) {
+ if(bootverbose) {
+ device_printf(sc->dev, "%s: timeout on SATA_P0PHYCR_CR_CAP_ADDR=1\n", __FUNCTION__);
+ }
+ return error;
+ }
+
+ error = imx6_ahci_phy_ctrl(sc, SATA_P0PHYCR_CR_CAP_ADDR, 0);
+ if(error != 0) {
+ if(bootverbose) {
+ device_printf(sc->dev, "%s: timeout on SATA_P0PHYCR_CR_CAP_ADDR=0\n", __FUNCTION__);
+ }
+ return error;
+ }
+
+ return 0;
+}
+
+static int
+imx6_ahci_phy_write(struct ahci_controller* sc, uint32_t addr,
+ uint16_t data)
+{
+ int error;
+
+ error = imx6_ahci_phy_addr(sc, addr);
+ if(error != 0) {
+ if(bootverbose) { device_printf(sc->dev, "%s: error on imx6_ahci_phy_addr\n", __FUNCTION__); }
+ return error;
+ }
+
+ ATA_OUTL(sc->r_mem, SATA_P0PHYCR, data);
+
+ error = imx6_ahci_phy_ctrl(sc, SATA_P0PHYCR_CR_CAP_DATA, 1);
+ if(error != 0) {
+ if(bootverbose) {
+ device_printf(sc->dev, "%s: error on SATA_P0PHYCR_CR_CAP_DATA=1\n", __FUNCTION__);
+ }
+ return error;
+ }
+ if(imx6_ahci_phy_ctrl(sc, SATA_P0PHYCR_CR_CAP_DATA, 0) != 0) {
+ if(bootverbose) {
+ device_printf(sc->dev, "%s: error on SATA_P0PHYCR_CR_CAP_DATA=0\n", __FUNCTION__);
+ }
+ return error;
+ }
+
+ if((addr == SATA_PHY_CLOCK_RESET) && data) {
+ /* we can't check ACK after RESET */
+ ATA_OUTL(sc->r_mem, SATA_P0PHYCR,
+ SATA_P0PHYCR_CR_DATA_IN(data) | SATA_P0PHYCR_CR_WRITE);
+ return 0;
+ }
+
+ error = imx6_ahci_phy_ctrl(sc, SATA_P0PHYCR_CR_WRITE, 1);
+ if(error != 0) {
+ if(bootverbose) { device_printf(sc->dev, "%s: error on SATA_P0PHYCR_CR_WRITE=1\n", __FUNCTION__); }
+ return error;
+ }
+
+ error = imx6_ahci_phy_ctrl(sc, SATA_P0PHYCR_CR_WRITE, 0);
+ if(error != 0) {
+ if(bootverbose) { device_printf(sc->dev, "%s: error on SATA_P0PHYCR_CR_WRITE=0\n", __FUNCTION__); }
+ return error;
+ }
+
+ return 0;
+}
+
+static int
+imx6_ahci_phy_read(struct ahci_controller* sc, uint32_t addr)
+{
+ int error;
+ uint32_t v;
+
+ error = imx6_ahci_phy_addr(sc, addr);
+ if(error != 0) {
+ if(bootverbose) { device_printf(sc->dev, "%s: error on imx6_ahci_phy_addr\n", __FUNCTION__); }
+ return error;
+ }
+
+ error = imx6_ahci_phy_ctrl(sc, SATA_P0PHYCR_CR_READ, 1);
+ if(error != 0) {
+ if(bootverbose) { device_printf(sc->dev, "%s: error on SATA_P0PHYCR_CR_READ=1\n", __FUNCTION__); }
+ return error;
+ }
+
+ v = ATA_INL(sc->r_mem, SATA_P0PHYSR);
+
+ error = imx6_ahci_phy_ctrl(sc, SATA_P0PHYCR_CR_READ, 0);
+ if(error != 0) {
+ if(bootverbose) { device_printf(sc->dev, "%s: error on SATA_P0PHYCR_CR_READ=0\n", __FUNCTION__); }
+ return error;
+ }
+
+ return SATA_P0PHYSR_CR_DATA_OUT(v);
+}
+
+static int
+imx6_ahci_probe(device_t dev)
+{
+ if(!ofw_bus_is_compatible(dev, "fsl,imx6q-ahci")) {
+ return (ENXIO);
+ }
+ device_set_desc(dev, "i.MX6 Integrated AHCI controller");
+
+ return (BUS_PROBE_DEFAULT);
+}
+
+static int
+imx6_ahci_attach(device_t dev)
+{
+ struct ahci_controller* ctlr;
+ uint32_t v;
+ int timeout;
+ int pllstat;
+ int error;
+
+ /*
+ * Init the device PHY
+ */
+ ctlr = device_get_softc(dev);
+
+ error = imx6_ccm_sataphy_enable();
+ if(error != 0) {
+ device_printf(dev, "time out resetting AHCI PHY\n");
+ return error;
+ }
+
+ ctlr->vendorid = 0;
+ ctlr->deviceid = 0;
+ ctlr->subvendorid = 0;
+ ctlr->subdeviceid = 0;
+ ctlr->numirqs = 1;
+ ctlr->r_rid = 0;
+ if(!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
+ &ctlr->r_rid, RF_ACTIVE))) {
+ return (ENXIO);
+ }
+
+ v = imx_iomux_gpr_get(IOMUX_GPR13);
+ v &= ~(IOMUX_GPR13_SATA_PHY_8(7) |
+ IOMUX_GPR13_SATA_PHY_7(0x1f) |
+ IOMUX_GPR13_SATA_PHY_6(7) |
+ IOMUX_GPR13_SATA_SPEED(1) |
+ IOMUX_GPR13_SATA_PHY_5(1) |
+ IOMUX_GPR13_SATA_PHY_4(7) |
+ IOMUX_GPR13_SATA_PHY_3(0xf) |
+ IOMUX_GPR13_SATA_PHY_2(0x1f) |
+ IOMUX_GPR13_SATA_PHY_1(1) |
+ IOMUX_GPR13_SATA_PHY_0(1));
+ /* setting */
+ v |= IOMUX_GPR13_SATA_PHY_8(5) | /* Rx 3.0db */
+ IOMUX_GPR13_SATA_PHY_7(0x12) | /* Rx SATA2m */
+ IOMUX_GPR13_SATA_PHY_6(3) | /* Rx DPLL mode */
+ IOMUX_GPR13_SATA_SPEED(1) | /* 3.0GHz */
+ IOMUX_GPR13_SATA_PHY_5(0) | /* SpreadSpectram */
+ IOMUX_GPR13_SATA_PHY_4(4) | /* Tx Attenuation 9/16 */
+ IOMUX_GPR13_SATA_PHY_3(0) | /* Tx Boost 0db */
+ IOMUX_GPR13_SATA_PHY_2(0x11) | /* Tx Level 1.104V */
+ IOMUX_GPR13_SATA_PHY_1(1); /* PLL clock enable */
+ imx_iomux_gpr_set(IOMUX_GPR13, v);
+
+ /* phy reset */
+ error = imx6_ahci_phy_write(ctlr, SATA_PHY_CLOCK_RESET,
+ SATA_PHY_CLOCK_RESET_RST);
+ if(error != 0) {
+ device_printf(dev, "cannot reset PHY\n");
+ goto fail;
+ }
+
+ for(timeout = 50; timeout > 0; --timeout) {
+ DELAY(100);
+ pllstat = imx6_ahci_phy_read(ctlr, SATA_PHY_LANE0_OUT_STAT);
+ if(pllstat < 0) {
+ device_printf(dev, "cannot read LANE0 status\n");
+ break;
+ }
+ if(pllstat & SATA_PHY_LANE0_OUT_STAT_RX_PLL_STATE) {
+ break;
+ }
+ }
+ if(timeout <= 0) {
+ device_printf(dev, "time out reading LANE0 status\n");
+ error = ETIMEDOUT;
+ goto fail;
+ }
+
+ /* Support Staggered Spin-up */
+ v = ATA_INL(ctlr->r_mem, AHCI_CAP);
+ ATA_OUTL(ctlr->r_mem, AHCI_CAP, v | AHCI_CAP_SSS);
+
+ /* Ports Implemented. must set 1 */
+ v = ATA_INL(ctlr->r_mem, AHCI_PI);
+ ATA_OUTL(ctlr->r_mem, AHCI_PI, v | (1 << 0));
+
+ /* set 1ms-timer = AHB clock / 1000 */
+ ATA_OUTL(ctlr->r_mem, SATA_TIMER1MS,
+ imx_ccm_ahb_hz() / 1000);
+
+ /*
+ * Note: ahci_attach will release ctlr->r_mem on errors automatically
+ */
+ return (ahci_attach(dev));
+
+ fail:
+ bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
+ return error;
+}
+
+static int
+imx6_ahci_detach(device_t dev)
+{
+ return (ahci_detach(dev));
+}
+
+devclass_t ahci_devclass;
+
+static device_method_t imx6_ahci_ata_methods[] = {
+ /* device probe, attach and detach methods */
+ DEVMETHOD(device_probe, imx6_ahci_probe),
+ DEVMETHOD(device_attach, imx6_ahci_attach),
+ DEVMETHOD(device_detach, imx6_ahci_detach),
+
+ /* ahci bus methods */
+ DEVMETHOD(bus_print_child, ahci_print_child),
+ DEVMETHOD(bus_alloc_resource, ahci_alloc_resource),
+ DEVMETHOD(bus_release_resource, ahci_release_resource),
+ DEVMETHOD(bus_setup_intr, ahci_setup_intr),
+ DEVMETHOD(bus_teardown_intr, ahci_teardown_intr),
+ DEVMETHOD(bus_child_location_str, ahci_child_location_str),
+
+ DEVMETHOD_END
+};
+
+static driver_t ahci_ata_driver = {
+ "ahci",
+ imx6_ahci_ata_methods,
+ sizeof(struct ahci_controller)
+};
+
+DRIVER_MODULE(ahci, simplebus, ahci_ata_driver, ahci_devclass, 0, 0);
Index: sys/arm/freescale/imx/imx6_ccm.c
===================================================================
--- sys/arm/freescale/imx/imx6_ccm.c
+++ sys/arm/freescale/imx/imx6_ccm.c
@@ -117,7 +117,7 @@
/* uarts, ssi, sdma */
reg = CCGR5_SDMA | CCGR5_SSI1 | CCGR5_SSI2 | CCGR5_SSI3 |
- CCGR5_UART | CCGR5_UART_SERIAL;
+ CCGR5_UART | CCGR5_UART_SERIAL | CCGR5_SATA;
WR4(sc, CCM_CCGR5, reg);
/* usdhc 1-4, usboh3 */
@@ -314,6 +314,36 @@
#endif
}
+int
+imx6_ccm_sataphy_enable(void)
+{
+ uint32_t v;
+ int timeout;
+
+ v = RD4(ccm_sc, CCM_ANALOG_PLL_ENET);
+ v &= ~CCM_ANALOG_PLL_ENET_POWERDOWN;
+ WR4(ccm_sc, CCM_ANALOG_PLL_ENET, v);
+
+ for(timeout = 100000; timeout > 0; timeout--) {
+ if(RD4(ccm_sc, CCM_ANALOG_PLL_ENET) &
+ CCM_ANALOG_PLL_ENET_LOCK) {
+ break;
+ }
+ }
+ if(timeout <= 0) {
+ return ETIMEDOUT;
+ }
+
+ v |= CCM_ANALOG_PLL_ENET_ENABLE;
+ v &= ~CCM_ANALOG_PLL_ENET_BYPASS;
+ WR4(ccm_sc, CCM_ANALOG_PLL_ENET, v);
+
+ v |= CCM_ANALOG_PLL_ENET_ENABLE_100M;
+ WR4(ccm_sc, CCM_ANALOG_PLL_ENET, v);
+
+ return 0;
+}
+
uint32_t
imx_ccm_ipg_hz(void)
{
Index: sys/arm/freescale/imx/imx6_ccmreg.h
===================================================================
--- sys/arm/freescale/imx/imx6_ccmreg.h
+++ sys/arm/freescale/imx/imx6_ccmreg.h
@@ -113,6 +113,7 @@
#define CCGR4_PL301_MX6QPER1_BCH (0x3 << 12)
#define CCGR4_PL301_MX6QPER2_MAIN (0x3 << 14)
#define CCM_CCGR5 0x07C
+#define CCGR5_SATA (0x3 << 4)
#define CCGR5_SDMA (0x3 << 6)
#define CCGR5_SSI1 (0x3 << 18)
#define CCGR5_SSI2 (0x3 << 20)
@@ -127,4 +128,11 @@
#define CCGR6_USDHC4 (0x3 << 8)
#define CCM_CMEOR 0x088
+#define CCM_ANALOG_PLL_ENET 0x000040e0
+#define CCM_ANALOG_PLL_ENET_LOCK (1 << 31)
+#define CCM_ANALOG_PLL_ENET_ENABLE_100M (1 << 20) /* SATA */
+#define CCM_ANALOG_PLL_ENET_BYPASS (1 << 16)
+#define CCM_ANALOG_PLL_ENET_ENABLE (1 << 13) /* Ether */
+#define CCM_ANALOG_PLL_ENET_POWERDOWN (1 << 12)
+
#endif
Index: sys/arm/freescale/imx/imx6_ccmvar.h
===================================================================
--- /dev/null
+++ sys/arm/freescale/imx/imx6_ccmvar.h
@@ -0,0 +1,32 @@
+/*-
+ * Copyright (c) 2017 Rogiel Sulzbach <rogiel@allogica.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef IMX6_CCMVAR_H
+#define IMX6_CCMVAR_H
+
+int imx6_ccm_sataphy_enable(void);
+
+#endif
Index: sys/arm/freescale/imx/imx_iomuxreg.h
===================================================================
--- sys/arm/freescale/imx/imx_iomuxreg.h
+++ sys/arm/freescale/imx/imx_iomuxreg.h
@@ -29,6 +29,13 @@
#ifndef IMX_IOMUXREG_H
#define IMX_IOMUXREG_H
+#define IMX_IOMUXREG_LOWEST_SET_BIT(__mask) ((((__mask) - 1) & (__mask)) ^ (__mask))
+#define IMX_IOMUXREG_SHIFTIN(__x, __mask) ((__x) * IMX_IOMUXREG_LOWEST_SET_BIT(__mask))
+
+#define IMX_IOMUXREG_BIT(n) (1 << (n))
+#define IMX_IOMUXREG_BITS(__m, __n) \
+ ((IMX_IOMUXREG_BIT(MAX((__m), (__n)) + 1) - 1) ^ (IMX_IOMUXREG_BIT(MIN((__m), (__n))) - 1))
+
#define IOMUXC_GPR0 0x00
#define IOMUXC_GPR1 0x04
#define IOMUXC_GPR2 0x08
@@ -39,4 +46,16 @@
#define IOMUXC_GPR3_HDMI_IPU2_DI0 (2 << 2)
#define IOMUXC_GPR3_HDMI_IPU2_DI1 (3 << 2)
+#define IOMUX_GPR13 0x34
+#define IOMUX_GPR13_SATA_PHY_8(n) IMX_IOMUXREG_SHIFTIN(n, IMX_IOMUXREG_BITS(26, 24))
+#define IOMUX_GPR13_SATA_PHY_7(n) IMX_IOMUXREG_SHIFTIN(n, IMX_IOMUXREG_BITS(23, 19))
+#define IOMUX_GPR13_SATA_PHY_6(n) IMX_IOMUXREG_SHIFTIN(n, IMX_IOMUXREG_BITS(18, 16))
+#define IOMUX_GPR13_SATA_SPEED(n) IMX_IOMUXREG_SHIFTIN(n, (1 << 15))
+#define IOMUX_GPR13_SATA_PHY_5(n) IMX_IOMUXREG_SHIFTIN(n, (1 << 14))
+#define IOMUX_GPR13_SATA_PHY_4(n) IMX_IOMUXREG_SHIFTIN(n, IMX_IOMUXREG_BITS(13, 11))
+#define IOMUX_GPR13_SATA_PHY_3(n) IMX_IOMUXREG_SHIFTIN(n, IMX_IOMUXREG_BITS(10, 7))
+#define IOMUX_GPR13_SATA_PHY_2(n) IMX_IOMUXREG_SHIFTIN(n, IMX_IOMUXREG_BITS(6, 2))
+#define IOMUX_GPR13_SATA_PHY_1(n) IMX_IOMUXREG_SHIFTIN(n, (1 << 1))
+#define IOMUX_GPR13_SATA_PHY_0(n) IMX_IOMUXREG_SHIFTIN(n, (1 << 0))
+
#endif
Index: sys/arm/freescale/imx/std.imx6
===================================================================
--- sys/arm/freescale/imx/std.imx6
+++ sys/arm/freescale/imx/std.imx6
@@ -10,6 +10,7 @@
options IPI_IRQ_END=15
device fdt_pinctrl
+device ahci
files "../freescale/imx/files.imx6"

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