Author: manu
Date: Mon Feb 26 21:29:01 2018
New Revision: 330038
URL: https://svnweb.freebsd.org/changeset/base/330038
Log:
dwmmc_rockchip: Add support for rk3328-dw-mshc
* Do not use pio mode like rk2928
* Change clocks frequency in update_ios
Tested-On: Pine64 Rock64 (RK3328)
Modified:
head/sys/conf/files.arm64
head/sys/dev/mmc/host/dwmmc_rockchip.c
Modified: head/sys/conf/files.arm64
==============================================================================
--- head/sys/conf/files.arm64 Mon Feb 26 21:27:42 2018 (r330037)
+++ head/sys/conf/files.arm64 Mon Feb 26 21:29:01 2018 (r330038)
@@ -185,6 +185,7 @@ dev/hwpmc/hwpmc_arm64_md.c optional hwpmc
dev/mbox/mbox_if.m optional soc_brcm_bcm2837
dev/mmc/host/dwmmc.c optional dwmmc fdt
dev/mmc/host/dwmmc_hisi.c optional dwmmc fdt soc_hisi_hi6220
+dev/mmc/host/dwmmc_rockchip.c optional dwmmc fdt soc_rockchip_rk3328
dev/neta/if_mvneta_fdt.c optional neta fdt
dev/neta/if_mvneta.c optional neta mdio mii
dev/ofw/ofw_cpu.c optional fdt
Modified: head/sys/dev/mmc/host/dwmmc_rockchip.c
==============================================================================
--- head/sys/dev/mmc/host/dwmmc_rockchip.c Mon Feb 26 21:27:42 2018
(r330037)
+++ head/sys/dev/mmc/host/dwmmc_rockchip.c Mon Feb 26 21:29:01 2018
(r330038)
@@ -41,11 +41,19 @@ __FBSDID("$FreeBSD$");
#include <dev/mmc/host/dwmmc_var.h>
+enum RKTYPE {
+ RK2928 = 1,
+ RK3328,
+};
+
static struct ofw_compat_data compat_data[] = {
- {"rockchip,rk2928-dw-mshc", 1},
+ {"rockchip,rk2928-dw-mshc", RK2928},
+ {"rockchip,rk3328-dw-mshc", RK3328},
{NULL, 0},
};
+static int dwmmc_rockchip_update_ios(struct dwmmc_softc *sc, struct mmc_ios
*ios);
+
static int
rockchip_dwmmc_probe(device_t dev)
{
@@ -66,14 +74,50 @@ static int
rockchip_dwmmc_attach(device_t dev)
{
struct dwmmc_softc *sc;
+ int type;
sc = device_get_softc(dev);
sc->hwtype = HWTYPE_ROCKCHIP;
+ type = ofw_bus_search_compatible(dev, compat_data)->ocd_data;
- sc->use_pio = 1;
+ switch (type) {
+ case RK2928:
+ sc->use_pio = 1;
+ break;
+ }
+
sc->pwren_inverted = 1;
+ sc->update_ios = &dwmmc_rockchip_update_ios;
+
return (dwmmc_attach(dev));
+}
+
+static int
+dwmmc_rockchip_update_ios(struct dwmmc_softc *sc, struct mmc_ios *ios)
+{
+ unsigned int clock;
+ int error;
+
+ if (ios->clock && ios->clock != sc->bus_hz) {
+ sc->bus_hz = clock = ios->clock;
+ /* Set the MMC clock. */
+ if (sc->ciu) {
+ /*
+ * Apparently you need to set the ciu clock to
+ * the double of bus_hz
+ */
+ error = clk_set_freq(sc->ciu, clock * 2,
+ CLK_SET_ROUND_DOWN);
+ if (error != 0) {
+ device_printf(sc->dev,
+ "failed to set frequency to %u Hz: %d\n",
+ clock, error);
+ return (error);
+ }
+ }
+ }
+ return (0);
}
static device_method_t rockchip_dwmmc_methods[] = {
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