Module Name:    src
Committed By:   jmcneill
Date:           Sun Mar  8 12:44:55 UTC 2015

Modified Files:
        src/sys/arch/arm/amlogic: amlogic_board.c amlogic_crureg.h amlogic_io.c
            amlogic_reg.h amlogic_var.h
Added Files:
        src/sys/arch/arm/amlogic: amlogic_sdhc.c amlogic_sdhcreg.h

Log Message:
Add Amlogic SD/MMC driver.


To generate a diff of this commit:
cvs rdiff -u -r1.8 -r1.9 src/sys/arch/arm/amlogic/amlogic_board.c
cvs rdiff -u -r1.6 -r1.7 src/sys/arch/arm/amlogic/amlogic_crureg.h
cvs rdiff -u -r1.5 -r1.6 src/sys/arch/arm/amlogic/amlogic_io.c \
    src/sys/arch/arm/amlogic/amlogic_var.h
cvs rdiff -u -r1.7 -r1.8 src/sys/arch/arm/amlogic/amlogic_reg.h
cvs rdiff -u -r0 -r1.1 src/sys/arch/arm/amlogic/amlogic_sdhc.c \
    src/sys/arch/arm/amlogic/amlogic_sdhcreg.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/arch/arm/amlogic/amlogic_board.c
diff -u src/sys/arch/arm/amlogic/amlogic_board.c:1.8 src/sys/arch/arm/amlogic/amlogic_board.c:1.9
--- src/sys/arch/arm/amlogic/amlogic_board.c:1.8	Sat Mar  7 21:32:47 2015
+++ src/sys/arch/arm/amlogic/amlogic_board.c	Sun Mar  8 12:44:55 2015
@@ -1,4 +1,4 @@
-/* $NetBSD: amlogic_board.c,v 1.8 2015/03/07 21:32:47 jmcneill Exp $ */
+/* $NetBSD: amlogic_board.c,v 1.9 2015/03/08 12:44:55 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2015 Jared D. McNeill <jmcne...@invisible.ca>
@@ -29,7 +29,7 @@
 #include "opt_amlogic.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: amlogic_board.c,v 1.8 2015/03/07 21:32:47 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: amlogic_board.c,v 1.9 2015/03/08 12:44:55 jmcneill Exp $");
 
 #define	_ARM32_BUS_DMA_PRIVATE
 #include <sys/param.h>
@@ -191,47 +191,47 @@ amlogic_eth_init(void)
 void
 amlogic_rng_init(void)
 {
-	printf("%s: GATING0 = %#x, GATING3 = %#x\n", __func__,
-	    CBUS_READ(EE_CLK_GATING0_REG), CBUS_READ(EE_CLK_GATING3_REG));
-
 	CBUS_WRITE(EE_CLK_GATING0_REG,
 	    CBUS_READ(EE_CLK_GATING0_REG) | EE_CLK_GATING0_RNG);
 	CBUS_WRITE(EE_CLK_GATING3_REG,
 	    CBUS_READ(EE_CLK_GATING3_REG) | EE_CLK_GATING3_RNG);
-
-	printf("%s: GATING0 = %#x, GATING3 = %#x\n", __func__,
-	    CBUS_READ(EE_CLK_GATING0_REG), CBUS_READ(EE_CLK_GATING3_REG));
 }
 
 void
 amlogic_sdhc_init(void)
 {
-	/* CARD -> SDHC pin mux settings */
-	CBUS_SET_CLEAR(PERIPHS_PIN_MUX_5_REG, 0, 0x00007c00);
-	CBUS_SET_CLEAR(PERIPHS_PIN_MUX_4_REG, 0, 0x7c000000);
-	CBUS_SET_CLEAR(PERIPHS_PIN_MUX_2_REG, 0, 0x0000fc00);
-	CBUS_SET_CLEAR(PERIPHS_PIN_MUX_8_REG, 0, 0x00000600);
-	CBUS_SET_CLEAR(PERIPHS_PIN_MUX_2_REG, 0x000000f0, 0);
-
-	const uint32_t pupd_mask = __BITS(25,20);	/* CARD_0-CARD_5 */
-	CBUS_SET_CLEAR(CBUS_REG(0x203c), pupd_mask, 0);	/* PU/PD */
-	CBUS_SET_CLEAR(CBUS_REG(0x204a), pupd_mask, 0);	/* PU/PD-EN */
-
-	const uint32_t io_mask = __BITS(27,22);		/* CARD_0-CARD_5 */
-	CBUS_SET_CLEAR(CBUS_REG(0x200c), io_mask, 0);	/* OEN */
-
-	/* XXX ODROID-C1 specific */
-	const uint32_t pwr_mask = __BIT(31);		/* CARD_8 */
-	CBUS_SET_CLEAR(CBUS_REG(0x201c), 0, pwr_mask);	/* O */
-	CBUS_SET_CLEAR(CBUS_REG(0x201b), 0, pwr_mask);	/* OEN */
-	const uint32_t cd_mask = __BIT(29);
-	CBUS_SET_CLEAR(CBUS_REG(0x201b), cd_mask, 0);	/* OEN */
-
 	/* enable SDHC clk */
 	CBUS_WRITE(EE_CLK_GATING0_REG,
 	    CBUS_READ(EE_CLK_GATING0_REG) | EE_CLK_GATING0_SDHC);
 }
 
+int
+amlogic_sdhc_select_port(int port)
+{
+	switch (port) {
+	case AMLOGIC_SDHC_PORT_B:
+		/* CARD -> SDHC pin mux settings */
+		CBUS_SET_CLEAR(PERIPHS_PIN_MUX_5_REG, 0, 0x00007c00);
+		CBUS_SET_CLEAR(PERIPHS_PIN_MUX_4_REG, 0, 0x7c000000);
+		CBUS_SET_CLEAR(PERIPHS_PIN_MUX_2_REG, 0, 0x0000fc00);
+		CBUS_SET_CLEAR(PERIPHS_PIN_MUX_8_REG, 0, 0x00000600);
+		CBUS_SET_CLEAR(PERIPHS_PIN_MUX_2_REG, 0x000000f0, 0);
+		break;
+	case AMLOGIC_SDHC_PORT_C:
+		/* BOOT -> SDHC pin mux settings */
+		CBUS_SET_CLEAR(PERIPHS_PIN_MUX_2_REG, 0, 0x04c000f0);
+		CBUS_SET_CLEAR(PERIPHS_PIN_MUX_5_REG, 0, 0x00007c00);
+		CBUS_SET_CLEAR(PERIPHS_PIN_MUX_6_REG, 0, 0xff000000);
+		CBUS_SET_CLEAR(PERIPHS_PIN_MUX_4_REG, 0x70000000, 0);
+		CBUS_SET_CLEAR(PERIPHS_PIN_MUX_7_REG, 0x000c0000, 0);
+		break;
+	default:
+		return EINVAL;
+	}
+
+	return 0;
+}
+
 static void
 amlogic_usbphy_clkgate_enable(int port)
 {

Index: src/sys/arch/arm/amlogic/amlogic_crureg.h
diff -u src/sys/arch/arm/amlogic/amlogic_crureg.h:1.6 src/sys/arch/arm/amlogic/amlogic_crureg.h:1.7
--- src/sys/arch/arm/amlogic/amlogic_crureg.h:1.6	Sat Mar  7 21:32:47 2015
+++ src/sys/arch/arm/amlogic/amlogic_crureg.h	Sun Mar  8 12:44:55 2015
@@ -1,4 +1,4 @@
-/* $NetBSD: amlogic_crureg.h,v 1.6 2015/03/07 21:32:47 jmcneill Exp $ */
+/* $NetBSD: amlogic_crureg.h,v 1.7 2015/03/08 12:44:55 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2015 Jared D. McNeill <jmcne...@invisible.ca>
@@ -75,6 +75,8 @@
 #define PREG_CTLREG0_ADDR_REG		CBUS_REG(0x2000)
 #define PREG_CTLREG0_ADDR_CLKRATE	__BITS(9,4)
 
+#define PREG_PAD_GPIO0_EN_N_REG		CBUS_REG(0x200c)
+
 #define PERIPHS_PIN_MUX_0_REG		CBUS_REG(0x202c)
 #define PERIPHS_PIN_MUX_1_REG		CBUS_REG(0x202d)
 #define PERIPHS_PIN_MUX_2_REG		CBUS_REG(0x202e)
@@ -86,9 +88,25 @@
 #define PERIPHS_PIN_MUX_8_REG		CBUS_REG(0x2034)
 #define PERIPHS_PIN_MUX_9_REG		CBUS_REG(0x2035)
 
+#define PAD_PULL_UP_6_REG		CBUS_REG(0x2039)
+#define PAD_PULL_UP_0_REG		CBUS_REG(0x203a)
+#define PAD_PULL_UP_1_REG		CBUS_REG(0x203b)
+#define PAD_PULL_UP_2_REG		CBUS_REG(0x203c)
+#define PAD_PULL_UP_3_REG		CBUS_REG(0x203d)
+#define PAD_PULL_UP_4_REG		CBUS_REG(0x203e)
+#define PAD_PULL_UP_5_REG		CBUS_REG(0x203f)
+
 #define RAND64_ADDR0_REG		CBUS_REG(0x2040)
 #define RAND64_ADDR1_REG		CBUS_REG(0x2041)
 
+#define PAD_PULL_UP_EN_0_REG		CBUS_REG(0x2048)
+#define PAD_PULL_UP_EN_1_REG		CBUS_REG(0x2049)
+#define PAD_PULL_UP_EN_2_REG		CBUS_REG(0x204a)
+#define PAD_PULL_UP_EN_3_REG		CBUS_REG(0x204b)
+#define PAD_PULL_UP_EN_4_REG		CBUS_REG(0x204c)
+#define PAD_PULL_UP_EN_5_REG		CBUS_REG(0x204d)
+#define PAD_PULL_UP_EN_6_REG		CBUS_REG(0x204e)
+
 #define PREI_USB_PHY_A_CFG_REG		CBUS_REG(0x2200)
 #define PREI_USB_PHY_A_CTRL_REG		CBUS_REG(0x2201)
 #define PREI_USB_PHY_A_ADP_BC_REG	CBUS_REG(0x2203)

Index: src/sys/arch/arm/amlogic/amlogic_io.c
diff -u src/sys/arch/arm/amlogic/amlogic_io.c:1.5 src/sys/arch/arm/amlogic/amlogic_io.c:1.6
--- src/sys/arch/arm/amlogic/amlogic_io.c:1.5	Sat Mar  7 21:34:25 2015
+++ src/sys/arch/arm/amlogic/amlogic_io.c	Sun Mar  8 12:44:55 2015
@@ -1,4 +1,4 @@
-/* $NetBSD: amlogic_io.c,v 1.5 2015/03/07 21:34:25 jmcneill Exp $ */
+/* $NetBSD: amlogic_io.c,v 1.6 2015/03/08 12:44:55 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2015 Jared D. McNeill <jmcne...@invisible.ca>
@@ -29,7 +29,7 @@
 #include "opt_amlogic.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: amlogic_io.c,v 1.5 2015/03/07 21:34:25 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: amlogic_io.c,v 1.6 2015/03/08 12:44:55 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -75,10 +75,10 @@ static const struct amlogic_locators aml
     AMLOGIC_USB1_OFFSET, AMLOGIC_USB_SIZE, 1, AMLOGIC_INTR_USB1 },
   { "awge",
     AMLOGIC_GMAC_OFFSET, AMLOGIC_GMAC_SIZE, NOPORT, AMLOGIC_INTR_GMAC },
-#if notyet
   { "amlogicsdhc",
-    AMLOGIC_SDHC_OFFSET, AMLOGIC_SDHC_SIZE, 0, AMLOGIC_INTR_SDHC },
-#endif
+    AMLOGIC_SDHC_OFFSET, AMLOGIC_SDHC_SIZE, 1, AMLOGIC_INTR_SDHC },
+  { "amlogicsdhc",
+    AMLOGIC_SDHC_OFFSET, AMLOGIC_SDHC_SIZE, 2, AMLOGIC_INTR_SDHC },
 };
 
 int
Index: src/sys/arch/arm/amlogic/amlogic_var.h
diff -u src/sys/arch/arm/amlogic/amlogic_var.h:1.5 src/sys/arch/arm/amlogic/amlogic_var.h:1.6
--- src/sys/arch/arm/amlogic/amlogic_var.h:1.5	Sat Mar  7 21:32:47 2015
+++ src/sys/arch/arm/amlogic/amlogic_var.h	Sun Mar  8 12:44:55 2015
@@ -1,4 +1,4 @@
-/* $NetBSD: amlogic_var.h,v 1.5 2015/03/07 21:32:47 jmcneill Exp $ */
+/* $NetBSD: amlogic_var.h,v 1.6 2015/03/08 12:44:55 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2015 Jared D. McNeill <jmcne...@invisible.ca>
@@ -60,8 +60,12 @@ void	amlogic_cpufreq_init(void);
 
 void	amlogic_usbphy_init(int);
 void	amlogic_eth_init(void);
-void	amlogic_sdhc_init(void);
 void	amlogic_rng_init(void);
+void	amlogic_sdhc_init(void);
+
+int	amlogic_sdhc_select_port(int);
+#define AMLOGIC_SDHC_PORT_B	1
+#define AMLOGIC_SDHC_PORT_C	2
 
 uint32_t amlogic_get_rate_xtal(void);
 uint32_t amlogic_get_rate_sys(void);

Index: src/sys/arch/arm/amlogic/amlogic_reg.h
diff -u src/sys/arch/arm/amlogic/amlogic_reg.h:1.7 src/sys/arch/arm/amlogic/amlogic_reg.h:1.8
--- src/sys/arch/arm/amlogic/amlogic_reg.h:1.7	Sat Mar  7 21:32:47 2015
+++ src/sys/arch/arm/amlogic/amlogic_reg.h	Sun Mar  8 12:44:55 2015
@@ -1,4 +1,4 @@
-/* $NetBSD: amlogic_reg.h,v 1.7 2015/03/07 21:32:47 jmcneill Exp $ */
+/* $NetBSD: amlogic_reg.h,v 1.8 2015/03/08 12:44:55 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2015 Jared D. McNeill <jmcne...@invisible.ca>
@@ -55,6 +55,7 @@
 
 #define AMLOGIC_AOBUS_OFFSET	0x08100000
 
+#define AMLOGIC_AO_RTI_PIN_MUX_OFFSET 0x08100014
 #define AMLOGIC_GPIOAO_OFFSET	0x08100024
 
 #define AMLOGIC_UART0AO_OFFSET	0x081004c0

Added files:

Index: src/sys/arch/arm/amlogic/amlogic_sdhc.c
diff -u /dev/null src/sys/arch/arm/amlogic/amlogic_sdhc.c:1.1
--- /dev/null	Sun Mar  8 12:44:55 2015
+++ src/sys/arch/arm/amlogic/amlogic_sdhc.c	Sun Mar  8 12:44:55 2015
@@ -0,0 +1,585 @@
+/* $NetBSD: amlogic_sdhc.c,v 1.1 2015/03/08 12:44:55 jmcneill Exp $ */
+
+/*-
+ * Copyright (c) 2015 Jared D. McNeill <jmcne...@invisible.ca>
+ * 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 ``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 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 "locators.h"
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: amlogic_sdhc.c,v 1.1 2015/03/08 12:44:55 jmcneill Exp $");
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/device.h>
+#include <sys/intr.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+
+#include <dev/sdmmc/sdmmcvar.h>
+#include <dev/sdmmc/sdmmcchip.h>
+#include <dev/sdmmc/sdmmc_ioreg.h>
+
+#include <arm/amlogic/amlogic_reg.h>
+#include <arm/amlogic/amlogic_sdhcreg.h>
+#include <arm/amlogic/amlogic_var.h>
+
+static int	amlogic_sdhc_match(device_t, cfdata_t, void *);
+static void	amlogic_sdhc_attach(device_t, device_t, void *);
+static void	amlogic_sdhc_attach_i(device_t);
+
+static int	amlogic_sdhc_intr(void *);
+
+struct amlogic_sdhc_softc {
+	device_t		sc_dev;
+	bus_space_tag_t		sc_bst;
+	bus_space_handle_t	sc_bsh;
+	bus_dma_tag_t		sc_dmat;
+	void			*sc_ih;
+
+	device_t		sc_sdmmc_dev;
+	kmutex_t		sc_intr_lock;
+	kcondvar_t		sc_intr_cv;
+
+	uint32_t		sc_intr_ista;
+};
+
+CFATTACH_DECL_NEW(amlogic_sdhc, sizeof(struct amlogic_sdhc_softc),
+	amlogic_sdhc_match, amlogic_sdhc_attach, NULL, NULL);
+
+static int	amlogic_sdhc_host_reset(sdmmc_chipset_handle_t);
+static uint32_t	amlogic_sdhc_host_ocr(sdmmc_chipset_handle_t);
+static int	amlogic_sdhc_host_maxblklen(sdmmc_chipset_handle_t);
+static int	amlogic_sdhc_card_detect(sdmmc_chipset_handle_t);
+static int	amlogic_sdhc_write_protect(sdmmc_chipset_handle_t);
+static int	amlogic_sdhc_bus_power(sdmmc_chipset_handle_t, uint32_t);
+static int	amlogic_sdhc_bus_clock(sdmmc_chipset_handle_t, int);
+static int	amlogic_sdhc_bus_width(sdmmc_chipset_handle_t, int);
+static int	amlogic_sdhc_bus_rod(sdmmc_chipset_handle_t, int);
+static void	amlogic_sdhc_exec_command(sdmmc_chipset_handle_t,
+				     struct sdmmc_command *);
+static void	amlogic_sdhc_card_enable_intr(sdmmc_chipset_handle_t, int);
+static void	amlogic_sdhc_card_intr_ack(sdmmc_chipset_handle_t);
+
+static int	amlogic_sdhc_set_clock(struct amlogic_sdhc_softc *, u_int);
+static int	amlogic_sdhc_wait_idle(struct amlogic_sdhc_softc *);
+static int	amlogic_sdhc_wait_ista(struct amlogic_sdhc_softc *, uint32_t, int);
+
+static struct sdmmc_chip_functions amlogic_sdhc_chip_functions = {
+	.host_reset = amlogic_sdhc_host_reset,
+	.host_ocr = amlogic_sdhc_host_ocr,
+	.host_maxblklen = amlogic_sdhc_host_maxblklen,
+	.card_detect = amlogic_sdhc_card_detect,
+	.write_protect = amlogic_sdhc_write_protect,
+	.bus_power = amlogic_sdhc_bus_power,
+	.bus_clock = amlogic_sdhc_bus_clock,
+	.bus_width = amlogic_sdhc_bus_width,
+	.bus_rod = amlogic_sdhc_bus_rod,
+	.exec_command = amlogic_sdhc_exec_command,
+	.card_enable_intr = amlogic_sdhc_card_enable_intr,
+	.card_intr_ack = amlogic_sdhc_card_intr_ack,
+};
+
+#define SDHC_WRITE(sc, reg, val) \
+	bus_space_write_4((sc)->sc_bst, (sc)->sc_bsh, (reg), (val))
+#define SDHC_READ(sc, reg) \
+	bus_space_read_4((sc)->sc_bst, (sc)->sc_bsh, (reg))
+
+static int
+amlogic_sdhc_match(device_t parent, cfdata_t cf, void *aux)
+{
+	return 1;
+}
+
+static void
+amlogic_sdhc_attach(device_t parent, device_t self, void *aux)
+{
+	struct amlogic_sdhc_softc * const sc = device_private(self);
+	struct amlogicio_attach_args * const aio = aux;
+	const struct amlogic_locators * const loc = &aio->aio_loc;
+
+	sc->sc_dev = self;
+	sc->sc_bst = aio->aio_core_bst;
+	sc->sc_dmat = aio->aio_dmat;
+	bus_space_subregion(aio->aio_core_bst, aio->aio_bsh,
+	    loc->loc_offset, loc->loc_size, &sc->sc_bsh);
+	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_BIO);
+	cv_init(&sc->sc_intr_cv, "sdhcintr");
+
+	amlogic_sdhc_init();
+	if (amlogic_sdhc_select_port(loc->loc_port) != 0) {
+		aprint_error(": couldn't select port %d\n", loc->loc_port);
+		return;
+	}
+
+	aprint_naive("\n");
+	aprint_normal(": SDHC controller\n");
+
+	sc->sc_ih = intr_establish(loc->loc_intr, IPL_BIO, IST_EDGE,
+	    amlogic_sdhc_intr, sc);
+	if (sc->sc_ih == NULL) {
+		aprint_error_dev(self, "couldn't establish interrupt %d\n",
+		    loc->loc_intr);
+		return;
+	}
+	aprint_normal_dev(self, "interrupting on irq %d\n", loc->loc_intr);
+
+	config_interrupts(self, amlogic_sdhc_attach_i);
+}
+
+static void
+amlogic_sdhc_attach_i(device_t self)
+{
+	struct amlogic_sdhc_softc *sc = device_private(self);
+	struct sdmmcbus_attach_args saa;
+
+	amlogic_sdhc_host_reset(sc);
+	amlogic_sdhc_bus_width(sc, 1);
+
+	memset(&saa, 0, sizeof(saa));
+	saa.saa_busname = "sdmmc";
+	saa.saa_sct = &amlogic_sdhc_chip_functions;
+	saa.saa_dmat = sc->sc_dmat;
+	saa.saa_sch = sc;
+	saa.saa_clkmin = 400;
+	saa.saa_clkmax = 50000;
+	saa.saa_caps = SMC_CAPS_4BIT_MODE|
+		       SMC_CAPS_8BIT_MODE|
+		       SMC_CAPS_SD_HIGHSPEED|
+		       SMC_CAPS_MMC_HIGHSPEED|
+		       SMC_CAPS_AUTO_STOP|
+		       SMC_CAPS_DMA;
+
+	sc->sc_sdmmc_dev = config_found(self, &saa, NULL);
+}
+
+static int
+amlogic_sdhc_intr(void *priv)
+{
+	struct amlogic_sdhc_softc *sc = priv;
+	uint32_t ista;
+
+	mutex_enter(&sc->sc_intr_lock);
+	ista = SDHC_READ(sc, SD_ISTA_REG);
+
+	if (!ista) {
+		mutex_exit(&sc->sc_intr_lock);
+		return 0;
+	}
+
+	SDHC_WRITE(sc, SD_ISTA_REG, ista);
+
+	sc->sc_intr_ista |= ista;
+	cv_broadcast(&sc->sc_intr_cv);
+
+	mutex_exit(&sc->sc_intr_lock);
+
+	return 1;
+}
+
+static int
+amlogic_sdhc_set_clock(struct amlogic_sdhc_softc *sc, u_int freq)
+{
+	uint32_t clkc;
+	uint32_t clk2;
+	u_int pll_freq, clk_div;
+
+	clkc = SDHC_READ(sc, SD_CLKC_REG);
+	clkc &= ~SD_CLKC_TX_CLK_ENABLE;
+	clkc &= ~SD_CLKC_RX_CLK_ENABLE;
+	clkc &= ~SD_CLKC_SD_CLK_ENABLE;
+	SDHC_WRITE(sc, SD_CLKC_REG, clkc);
+	clkc &= ~SD_CLKC_MOD_CLK_ENABLE;
+	SDHC_WRITE(sc, SD_CLKC_REG, clkc);
+
+	if (freq == 0)
+		return 0;
+
+	clkc &= ~SD_CLKC_CLK_DIV;
+	clkc &= ~SD_CLKC_CLK_IN_SEL;
+
+	clkc |= __SHIFTIN(SD_CLKC_CLK_IN_SEL_FCLK_DIV3,
+			  SD_CLKC_CLK_IN_SEL);
+
+	pll_freq = amlogic_get_rate_fixed() / 1000;	/* 2.55GHz */
+	pll_freq /= 3;	/* for SD_CLKC_CLK_IN_SEL_FCLK_DIV3 */
+	clk_div = howmany(pll_freq, freq);
+
+	clkc |= __SHIFTIN(clk_div - 1, SD_CLKC_CLK_DIV);
+
+	SDHC_WRITE(sc, SD_CLKC_REG, clkc);
+
+	clkc |= SD_CLKC_MOD_CLK_ENABLE;
+	SDHC_WRITE(sc, SD_CLKC_REG, clkc);
+
+	clkc |= SD_CLKC_TX_CLK_ENABLE;
+	clkc |= SD_CLKC_RX_CLK_ENABLE;
+	clkc |= SD_CLKC_SD_CLK_ENABLE;
+	SDHC_WRITE(sc, SD_CLKC_REG, clkc);
+
+	clk2 = SDHC_READ(sc, SD_CLK2_REG);
+	clk2 &= ~SD_CLK2_SD_CLK_PHASE;
+	clk2 |= __SHIFTIN(1, SD_CLK2_SD_CLK_PHASE);
+	clk2 &= ~SD_CLK2_RX_CLK_PHASE;
+
+	const u_int act_freq = pll_freq / clk_div;
+	if (act_freq > 45000) {
+		clk2 |= __SHIFTIN(15, SD_CLK2_RX_CLK_PHASE);
+		/* XXX 11 for 1.8V */
+	} else if (act_freq > 5000) {
+		clk2 |= __SHIFTIN(23, SD_CLK2_RX_CLK_PHASE);
+	} else if (act_freq > 1000) {
+		clk2 |= __SHIFTIN(55, SD_CLK2_RX_CLK_PHASE);
+	} else {
+		clk2 |= __SHIFTIN(1061, SD_CLK2_RX_CLK_PHASE);
+	}
+	SDHC_WRITE(sc, SD_CLK2_REG, clk2);
+
+	return 0;
+}
+
+static int
+amlogic_sdhc_wait_idle(struct amlogic_sdhc_softc *sc)
+{
+	int i;
+
+	for (i = 0; i < 1000000; i++) {
+		const uint32_t stat = SDHC_READ(sc, SD_STAT_REG);
+		const uint32_t esta = SDHC_READ(sc, SD_ESTA_REG);
+		if ((stat & SD_STAT_BUSY) == 0 &&
+		    (esta & SD_ESTA_BUSY) == 0)
+			return 0;
+		delay(1);
+	}
+
+	return EBUSY;
+}
+
+static int
+amlogic_sdhc_wait_ista(struct amlogic_sdhc_softc *sc, uint32_t mask, int timeout)
+{
+	int retry, error;
+
+	KASSERT(mutex_owned(&sc->sc_intr_lock));
+
+	if (sc->sc_intr_ista & mask)
+		return 0;
+
+	retry = timeout / hz;
+
+	while (retry > 0) {
+		error = cv_timedwait(&sc->sc_intr_cv, &sc->sc_intr_lock, hz);
+		if (error && error != EWOULDBLOCK)
+			return error;
+		if (sc->sc_intr_ista & mask)
+			return 0;
+		--retry;
+	}
+
+	return ETIMEDOUT;
+}
+
+static int
+amlogic_sdhc_host_reset(sdmmc_chipset_handle_t sch)
+{
+	struct amlogic_sdhc_softc *sc = sch;
+	uint32_t enhc;
+
+	SDHC_WRITE(sc, SD_SRST_REG,
+	    SD_SRST_MAIN_CTRL | SD_SRST_TX_FIFO | SD_SRST_RX_FIFO |
+	    SD_SRST_DPHY_TX | SD_SRST_DPHY_RX | SD_SRST_DMA_IF);
+
+	delay(50);
+
+	SDHC_WRITE(sc, SD_SRST_REG, 0);
+
+	delay(10);
+
+	SDHC_WRITE(sc, SD_CNTL_REG,
+	    __SHIFTIN(0x7, SD_CNTL_TX_ENDIAN_CTRL) |
+	    __SHIFTIN(0x7, SD_CNTL_RX_ENDIAN_CTRL) |
+	    __SHIFTIN(0xf, SD_CNTL_RX_PERIOD) |
+	    __SHIFTIN(0x7f, SD_CNTL_RX_TIMEOUT));
+
+	SDHC_WRITE(sc, SD_CLKC_REG,
+	    SDHC_READ(sc, SD_CLKC_REG) & ~SD_CLKC_MEM_PWR);
+
+	SDHC_WRITE(sc, SD_PDMA_REG,
+	    __SHIFTIN(7, SD_PDMA_TX_BURST_LEN) |
+	    __SHIFTIN(49, SD_PDMA_TXFIFO_THRESHOLD) |
+	    __SHIFTIN(15, SD_PDMA_RX_BURST_LEN) |
+	    __SHIFTIN(7, SD_PDMA_RXFIFO_THRESHOLD) |
+	    SD_PDMA_DMA_URGENT);
+
+	SDHC_WRITE(sc, SD_MISC_REG,
+	    __SHIFTIN(7, SD_MISC_TXSTART_THRESHOLD) |
+	    __SHIFTIN(5, SD_MISC_WCRC_ERR_PATTERN) |
+	    __SHIFTIN(2, SD_MISC_WCRC_OK_PATTERN));
+
+	enhc = SDHC_READ(sc, SD_ENHC_REG);
+	enhc &= ~SD_ENHC_RXFIFO_THRESHOLD;
+	enhc |= __SHIFTIN(63, SD_ENHC_RXFIFO_THRESHOLD);
+	enhc &= ~SD_ENHC_DMA_RX_RESP;
+	enhc |= SD_ENHC_DMA_TX_RESP;
+	enhc &= ~SD_ENHC_SDIO_IRQ_PERIOD;
+	enhc |= __SHIFTIN(12, SD_ENHC_SDIO_IRQ_PERIOD);
+	enhc &= ~SD_ENHC_RX_TIMEOUT;
+	enhc |= __SHIFTIN(0xff, SD_ENHC_RX_TIMEOUT);
+	SDHC_WRITE(sc, SD_ENHC_REG, enhc);
+
+	SDHC_WRITE(sc, SD_ICTL_REG, 0);
+	SDHC_WRITE(sc, SD_ISTA_REG, SD_INT_CLEAR);
+
+	return 0;
+}
+
+static uint32_t
+amlogic_sdhc_host_ocr(sdmmc_chipset_handle_t sch)
+{
+	return MMC_OCR_3_2V_3_3V | MMC_OCR_3_3V_3_4V;
+}
+
+static int
+amlogic_sdhc_host_maxblklen(sdmmc_chipset_handle_t sch)
+{
+	return 512;
+}
+
+static int
+amlogic_sdhc_card_detect(sdmmc_chipset_handle_t sch)
+{
+	return 1;
+}
+
+static int
+amlogic_sdhc_write_protect(sdmmc_chipset_handle_t sch)
+{
+	return 0;
+}
+
+static int
+amlogic_sdhc_bus_power(sdmmc_chipset_handle_t sch, uint32_t ocr)
+{
+	return 0;
+}
+
+static int
+amlogic_sdhc_bus_clock(sdmmc_chipset_handle_t sch, int freq)
+{
+	struct amlogic_sdhc_softc *sc = sch;
+
+	return amlogic_sdhc_set_clock(sc, freq);
+}
+
+static int
+amlogic_sdhc_bus_width(sdmmc_chipset_handle_t sch, int width)
+{
+	struct amlogic_sdhc_softc *sc = sch;
+	uint32_t cntl;
+
+	cntl = SDHC_READ(sc, SD_CNTL_REG);
+	cntl &= ~SD_CNTL_DAT_TYPE;
+	switch (width) {
+	case 1:
+		cntl |= __SHIFTIN(0, SD_CNTL_DAT_TYPE);
+		break;
+	case 4:
+		cntl |= __SHIFTIN(1, SD_CNTL_DAT_TYPE);
+		break;
+	case 8:
+		cntl |= __SHIFTIN(2, SD_CNTL_DAT_TYPE);
+		break;
+	default:
+		return EINVAL;
+	}
+
+	SDHC_WRITE(sc, SD_CNTL_REG, cntl);
+
+	return 0;
+}
+
+static int
+amlogic_sdhc_bus_rod(sdmmc_chipset_handle_t sch, int on)
+{
+	return ENOTSUP;
+}
+
+static void
+amlogic_sdhc_exec_command(sdmmc_chipset_handle_t sch, struct sdmmc_command *cmd)
+{
+	struct amlogic_sdhc_softc *sc = sch;
+	uint32_t cmdval = 0, cntl, srst, pdma;
+	int i;
+
+	KASSERT(cmd->c_blklen <= 512);
+
+	mutex_enter(&sc->sc_intr_lock);
+
+	/* Filter SDIO commands */
+	switch (cmd->c_opcode) {
+	case SD_IO_SEND_OP_COND:
+	case SD_IO_RW_DIRECT:
+	case SD_IO_RW_EXTENDED:
+		cmd->c_error = EINVAL;
+		goto done;
+	}
+
+	while (SDHC_READ(sc, SD_STAT_REG) & __BIT(24))
+		delay(10);
+
+	if (cmd->c_opcode == MMC_STOP_TRANSMISSION)
+		cmdval |= SD_SEND_DATA_STOP;
+	if (cmd->c_flags & SCF_RSP_PRESENT)
+		cmdval |= SD_SEND_COMMAND_HAS_RESP;
+	if (cmd->c_flags & SCF_RSP_136) {
+		cmdval |= SD_SEND_RESPONSE_LENGTH;
+		cmdval |= SD_SEND_RESPONSE_NO_CRC;
+	}
+	if ((cmd->c_flags & SCF_RSP_CRC) == 0)
+		cmdval |= SD_SEND_RESPONSE_NO_CRC;
+
+	cntl = SDHC_READ(sc, SD_CNTL_REG);
+	cntl &= ~SD_CNTL_PACK_LEN;
+	if (cmd->c_datalen > 0) {
+		unsigned int nblks;
+
+		cmdval |= SD_SEND_COMMAND_HAS_DATA;
+		if (!ISSET(cmd->c_flags, SCF_CMD_READ)) {
+			cmdval |= SD_SEND_DATA_DIRECTION;
+		}
+
+		nblks = cmd->c_datalen / cmd->c_blklen;
+		if (nblks == 0 || (cmd->c_datalen % cmd->c_blklen) != 0)
+			++nblks;
+
+		cntl |= __SHIFTIN(cmd->c_blklen & 0x1ff, SD_CNTL_PACK_LEN);
+				    
+		cmdval |= __SHIFTIN(nblks - 1, SD_SEND_TOTAL_PACK);
+	}
+	SDHC_WRITE(sc, SD_CNTL_REG, cntl);
+
+	SDHC_WRITE(sc, SD_ISTA_REG, SD_INT_CLEAR);
+	sc->sc_intr_ista = 0;
+	SDHC_WRITE(sc, SD_ICTL_REG,
+	    SD_INT_ERROR | SD_INT_DATA_COMPLETE | SD_INT_RESP_COMPLETE |
+	    SD_INT_DMA_DONE);
+
+	pdma = SDHC_READ(sc, SD_PDMA_REG);
+	pdma |= SD_PDMA_DMA_MODE;
+	SDHC_WRITE(sc, SD_PDMA_REG, pdma);
+
+	SDHC_WRITE(sc, SD_ARGU_REG, cmd->c_arg);
+
+	cmd->c_error = amlogic_sdhc_wait_idle(sc);
+	if (cmd->c_error) {
+		goto done;
+	}
+
+	if (cmd->c_datalen > 0) {
+		KASSERT(cmd->c_dmamap->dm_nsegs == 1);
+		KASSERT(cmd->c_dmamap->dm_segs[0].ds_len == cmd->c_datalen);
+		SDHC_WRITE(sc, SD_ADDR_REG, cmd->c_dmamap->dm_segs[0].ds_addr);
+	}
+
+	cmd->c_resid = cmd->c_datalen;
+	SDHC_WRITE(sc, SD_SEND_REG, cmdval | cmd->c_opcode);
+
+	if (cmd->c_flags & SCF_RSP_PRESENT) {
+		cmd->c_error = amlogic_sdhc_wait_ista(sc,
+		    SD_INT_ERROR | SD_INT_RESP_COMPLETE, hz * 10);
+		if (cmd->c_error == 0 && (sc->sc_intr_ista & SD_INT_ERROR)) {
+			if (sc->sc_intr_ista & SD_INT_TIMEOUT) {
+				cmd->c_error = ETIMEDOUT;
+			} else {
+				cmd->c_error = EIO;
+			}
+		}
+		if (cmd->c_error) {
+			goto done;
+		}
+	}
+
+	if (cmd->c_datalen > 0) {
+		cmd->c_error = amlogic_sdhc_wait_ista(sc,
+		    SD_INT_ERROR | SD_INT_DMA_DONE, hz * 10);
+		if (cmd->c_error == 0 &&
+		    (sc->sc_intr_ista & SD_INT_ERROR)) {
+			cmd->c_error = ETIMEDOUT;
+		}
+		if (cmd->c_error) {
+			goto done;
+		}
+	}
+
+	if (cmd->c_flags & SCF_RSP_PRESENT) {
+		pdma = SDHC_READ(sc, SD_PDMA_REG);
+		pdma &= ~SD_PDMA_DMA_MODE;
+		if (cmd->c_flags & SCF_RSP_136) {
+			for (i = 4; i >= 1; i--) {
+				pdma &= ~SD_PDMA_PIO_RDRESP;
+				pdma |= __SHIFTIN(i, SD_PDMA_PIO_RDRESP);
+				SDHC_WRITE(sc, SD_PDMA_REG, pdma);
+				cmd->c_resp[i - 1] = SDHC_READ(sc, SD_ARGU_REG);
+				
+			}
+			if (cmd->c_flags & SCF_RSP_CRC) {
+				cmd->c_resp[0] = (cmd->c_resp[0] >> 8) |
+				    (cmd->c_resp[1] << 24);
+				cmd->c_resp[1] = (cmd->c_resp[1] >> 8) |
+				    (cmd->c_resp[2] << 24);
+				cmd->c_resp[2] = (cmd->c_resp[2] >> 8) |
+				    (cmd->c_resp[3] << 24);
+				cmd->c_resp[3] = (cmd->c_resp[3] >> 8);
+			}
+		} else {
+			pdma &= ~SD_PDMA_PIO_RDRESP;
+			pdma |= __SHIFTIN(0, SD_PDMA_PIO_RDRESP);
+			SDHC_WRITE(sc, SD_PDMA_REG, pdma);
+			cmd->c_resp[0] = SDHC_READ(sc, SD_ARGU_REG);
+		}
+	}
+
+done:
+	cmd->c_flags |= SCF_ITSDONE;
+
+	SDHC_WRITE(sc, SD_ISTA_REG, SD_INT_CLEAR);
+	SDHC_WRITE(sc, SD_ICTL_REG, 0);
+
+	srst = SDHC_READ(sc, SD_SRST_REG);
+	srst |= (SD_SRST_TX_FIFO | SD_SRST_RX_FIFO);
+	SDHC_WRITE(sc, SD_SRST_REG, srst);
+
+	mutex_exit(&sc->sc_intr_lock);
+}
+
+static void
+amlogic_sdhc_card_enable_intr(sdmmc_chipset_handle_t sch, int enable)
+{
+}
+
+static void
+amlogic_sdhc_card_intr_ack(sdmmc_chipset_handle_t sch)
+{
+}
Index: src/sys/arch/arm/amlogic/amlogic_sdhcreg.h
diff -u /dev/null src/sys/arch/arm/amlogic/amlogic_sdhcreg.h:1.1
--- /dev/null	Sun Mar  8 12:44:55 2015
+++ src/sys/arch/arm/amlogic/amlogic_sdhcreg.h	Sun Mar  8 12:44:55 2015
@@ -0,0 +1,150 @@
+/* $NetBSD: amlogic_sdhcreg.h,v 1.1 2015/03/08 12:44:55 jmcneill Exp $ */
+
+/*-
+ * Copyright (c) 2015 Jared D. McNeill <jmcne...@invisible.ca>
+ * 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 ``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 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 _ARM_AMLOGIC_SDHCREG_H
+#define _ARM_AMLOGIC_SDHCREG_H
+
+#define SD_ARGU_REG		0x00
+#define SD_SEND_REG		0x04
+#define SD_CNTL_REG		0x08
+#define SD_STAT_REG		0x0c
+#define SD_CLKC_REG		0x10
+#define SD_ADDR_REG		0x14
+#define SD_PDMA_REG		0x18
+#define SD_MISC_REG		0x1c
+#define SD_DATA_REG		0x20
+#define SD_ICTL_REG		0x24
+#define SD_ISTA_REG		0x28
+#define SD_SRST_REG		0x2c
+#define SD_ESTA_REG		0x30
+#define SD_ENHC_REG		0x34
+#define SD_CLK2_REG		0x38
+
+#define SD_SEND_TOTAL_PACK		__BITS(31,16)
+#define SD_SEND_R1B			__BIT(12)
+#define SD_SEND_DATA_STOP		__BIT(11)
+#define SD_SEND_DATA_DIRECTION		__BIT(10)
+#define SD_SEND_RESPONSE_NO_CRC		__BIT(9)
+#define SD_SEND_RESPONSE_LENGTH		__BIT(8)
+#define SD_SEND_COMMAND_HAS_DATA	__BIT(7)
+#define SD_SEND_COMMAND_HAS_RESP	__BIT(6)
+#define SD_SEND_COMMAND_INDEX		__BITS(5,0)
+
+#define SD_CNTL_TX_ENDIAN_CTRL		__BITS(31,29)
+#define SD_CNTL_DAT0_INT_SEL		__BIT(28)
+#define SD_CNTL_SDIO_IRQ_MODE		__BIT(27)
+#define SD_CNTL_RX_ENDIAN_CTRL		__BITS(26,24)
+#define SD_CNTL_RX_PERIOD		__BITS(23,20)
+#define SD_CNTL_RX_TIMEOUT		__BITS(19,13)
+#define SD_CNTL_PACK_LEN		__BITS(12,4)
+#define SD_CNTL_TX_CRC_CHECK		__BIT(3)
+#define SD_CNTL_DDR_MODE		__BIT(2)
+#define SD_CNTL_DAT_TYPE		__BITS(1,0)
+
+#define SD_STAT_DAT_HI			__BITS(23,20)
+#define SD_STAT_TXFIFO_COUNT		__BITS(19,13)
+#define SD_STAT_RXFIFO_COUNT		__BITS(12,6)
+#define SD_STAT_CMD			__BIT(5)
+#define SD_STAT_DAT_LO			__BITS(4,1)
+#define SD_STAT_BUSY			__BIT(0)
+
+#define SD_CLKC_MEM_PWR			__BITS(26,25)
+#define SD_CLKC_MEM_PWR_ON		0
+#define SD_CLKC_MEM_PWR_OFF		3
+#define SD_CLKC_CLK_JIC			__BIT(24)
+#define SD_CLKC_CLK_IN_SEL		__BITS(17,16)
+#define SD_CLKC_CLK_IN_SEL_OSC		0
+#define SD_CLKC_CLK_IN_SEL_FCLK_DIV4	1
+#define SD_CLKC_CLK_IN_SEL_FCLK_DIV3	2
+#define SD_CLKC_CLK_IN_SEL_FCLK_DIV5	3
+#define SD_CLKC_MOD_CLK_ENABLE		__BIT(15)
+#define SD_CLKC_SD_CLK_ENABLE		__BIT(14)
+#define SD_CLKC_RX_CLK_ENABLE		__BIT(13)
+#define SD_CLKC_TX_CLK_ENABLE		__BIT(12)
+#define SD_CLKC_CLK_DIV			__BITS(11,0)
+
+#define SD_PDMA_TXFIFO_FILL		__BIT(31)
+#define SD_PDMA_RXFIFO_MANUAL_FLUSH	__BITS(30,29)
+#define SD_PDMA_TXFIFO_THRESHOLD	__BITS(28,22)
+#define SD_PDMA_RXFIFO_THRESHOLD	__BITS(21,15)
+#define SD_PDMA_RX_BURST_LEN		__BITS(14,10)
+#define SD_PDMA_TX_BURST_LEN		__BITS(9,5)
+#define SD_PDMA_DMA_URGENT		__BIT(4)
+#define SD_PDMA_PIO_RDRESP		__BITS(3,1)
+#define SD_PDMA_DMA_MODE		__BIT(0)
+
+#define SD_MISC_TXSTART_THRESHOLD	__BITS(31,29)
+#define SD_MISC_STOP_MODE		__BIT(28)
+#define SD_MISC_THREAD_ID		__BITS(27,22)
+#define SD_MISC_BURST_NUMBER		__BITS(21,16)
+#define SD_MISC_WCRC_OK_PATTERN		__BITS(9,7)
+#define SD_MISC_WCRC_ERR_PATTERN	__BITS(6,4)
+
+#define SD_ICTL_SDIO_DAT1		__BITS(17,16)
+
+#define SD_INT_ADDL_SDIO_DAT1		__BIT(14)
+#define SD_INT_TXFIFO			__BIT(13)
+#define SD_INT_RXFIFO			__BIT(12)
+#define SD_INT_DMA_DONE			__BIT(11)
+#define SD_INT_SDIO_DAT1		__BIT(10)
+#define SD_INT_TXFIFO_THRES		__BIT(9)
+#define SD_INT_RXFIFO_THRES		__BIT(8)
+#define SD_INT_DATA_COMPLETE		__BIT(7)
+#define SD_INT_PACK_CRC_ERROR		__BIT(6)
+#define SD_INT_PACK_TIMEOUT		__BIT(5)
+#define SD_INT_PACK_COMPLETE		__BIT(4)
+#define SD_INT_DATA_BIT0_CHG		__BIT(3)
+#define SD_INT_RESP_CRC_ERROR		__BIT(2)
+#define SD_INT_RESP_TIMEOUT		__BIT(1)
+#define SD_INT_RESP_COMPLETE		__BIT(0)
+
+#define SD_INT_TIMEOUT		(SD_INT_PACK_TIMEOUT | SD_INT_RESP_TIMEOUT)
+#define SD_INT_CRC_ERROR	(SD_INT_PACK_CRC_ERROR | SD_INT_RESP_CRC_ERROR)
+#define SD_INT_ERROR		(SD_INT_TIMEOUT | SD_INT_CRC_ERROR)
+#define SD_INT_CLEAR		0x7fff
+
+#define SD_SRST_DMA_IF			__BIT(5)
+#define SD_SRST_DPHY_TX			__BIT(4)
+#define SD_SRST_DPHY_RX			__BIT(3)
+#define SD_SRST_TX_FIFO			__BIT(2)
+#define SD_SRST_RX_FIFO			__BIT(1)
+#define SD_SRST_MAIN_CTRL		__BIT(0)
+
+#define SD_ENHC_RX_TIMEOUT		__BITS(7,0)
+#define SD_ENHC_SDIO_IRQ_PERIOD		__BITS(15,8)
+#define SD_ENHC_DMA_RX_RESP		__BIT(16)
+#define SD_ENHC_DMA_TX_RESP		__BIT(17)
+#define SD_ENHC_RXFIFO_THRESHOLD	__BITS(24,18)
+#define SD_ENHC_TXFIFO_THRESHOLD	__BITS(31,25)
+
+#define SD_ESTA_BUSY			__BITS(13,11)	/* XXX ??? */
+
+#define SD_CLK2_RX_CLK_PHASE		__BITS(11,0)
+#define SD_CLK2_SD_CLK_PHASE		__BITS(23,12)
+
+#endif /* _ARM_AMLOGIC_SDHCREG_H */

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