[src/trunk]: src/sys/arch/arm/samsung Update for new dwc_mmc driver

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8ff2bbc240b7
branches:  trunk
changeset: 354524:8ff2bbc240b7
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Mon Jun 19 22:03:50 2017 +0000

description:
Update for new dwc_mmc driver

diffstat:

 sys/arch/arm/samsung/exynos_dwcmmc.c |  42 ++++++++++++++++++++++-------------
 1 files changed, 26 insertions(+), 16 deletions(-)

diffs (91 lines):

diff -r b59fb82572c1 -r 8ff2bbc240b7 sys/arch/arm/samsung/exynos_dwcmmc.c
--- a/sys/arch/arm/samsung/exynos_dwcmmc.c      Mon Jun 19 22:03:02 2017 +0000
+++ b/sys/arch/arm/samsung/exynos_dwcmmc.c      Mon Jun 19 22:03:50 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: exynos_dwcmmc.c,v 1.3 2016/05/30 16:38:35 dholland Exp $ */
+/* $NetBSD: exynos_dwcmmc.c,v 1.4 2017/06/19 22:03:50 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2015 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: exynos_dwcmmc.c,v 1.3 2016/05/30 16:38:35 dholland Exp $");
+__KERNEL_RCSID(0, "$NetBSD: exynos_dwcmmc.c,v 1.4 2017/06/19 22:03:50 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -43,11 +43,18 @@
 #include <dev/ic/dwc_mmc_var.h>
 #include <dev/fdt/fdtvar.h>
 
+#define        FIFO_REG        0x200
+#define        MPS_BEGIN       0x200
+#define        MPS_END         0x204
+#define        MPS_CTRL        0x20c
+#define         MPS_CTRL_SECURE_WRITE          __BIT(6)
+#define         MPS_CTRL_NON_SECURE_READ       __BIT(5)
+#define         MPS_CTRL_NON_SECURE_WRITE      __BIT(4)
+#define         MPS_CTRL_VALID                 __BIT(0)
+
 static int     exynos_dwcmmc_match(device_t, cfdata_t, void *);
 static void    exynos_dwcmmc_attach(device_t, device_t, void *);
 
-static void    exynos_dwcmmc_attach_i(device_t);
-
 static int     exynos_dwcmmc_card_detect(struct dwc_mmc_softc *);
 
 struct exynos_dwcmmc_softc {
@@ -137,12 +144,13 @@
 
        sc->sc_clock_freq = clk_get_rate(esc->sc_clk_ciu) / (ciu_div + 1);
        sc->sc_fifo_depth = fifo_depth;
+       sc->sc_fifo_reg = FIFO_REG;
+       sc->sc_flags = DWC_MMC_F_USE_HOLD_REG | DWC_MMC_F_DMA;
 
        esc->sc_pin_cd = fdtbus_gpio_acquire(phandle, "cd-gpios",
            GPIO_PIN_INPUT);
-       if (esc->sc_pin_cd) {
+       if (esc->sc_pin_cd)
                sc->sc_card_detect = exynos_dwcmmc_card_detect;
-       }
 
        aprint_naive("\n");
        aprint_normal(": MHS (%u Hz)\n", sc->sc_clock_freq);
@@ -152,6 +160,9 @@
                return;
        }
 
+       if (dwc_mmc_init(sc) != 0)
+               return;
+
        sc->sc_ih = fdtbus_intr_establish(phandle, 0, IPL_BIO, 0,
            dwc_mmc_intr, sc);
        if (sc->sc_ih == NULL) {
@@ -161,16 +172,15 @@
        }
        aprint_normal_dev(self, "interrupting on %s\n", intrstr);
 
-       config_interrupts(self, exynos_dwcmmc_attach_i);
-}
-
-static void
-exynos_dwcmmc_attach_i(device_t self)
-{
-       struct exynos_dwcmmc_softc *esc = device_private(self);
-       struct dwc_mmc_softc *sc = &esc->sc;
-
-       dwc_mmc_init(sc);
+       /* Disable encryption mode */
+       const char * compat_enc[] = { "samsung,exynos5420-dw-mshc-smu", NULL };
+       if (of_match_compatible(phandle, compat_enc)) {
+               bus_space_write_4(sc->sc_bst, sc->sc_bsh, MPS_BEGIN, 0);
+               bus_space_write_4(sc->sc_bst, sc->sc_bsh, MPS_END, ~0U);
+               bus_space_write_4(sc->sc_bst, sc->sc_bsh, MPS_CTRL,
+                   MPS_CTRL_NON_SECURE_READ | MPS_CTRL_NON_SECURE_WRITE |
+                   MPS_CTRL_SECURE_WRITE | MPS_CTRL_VALID);
+       }
 }
 
 static int