Module Name: src
Committed By: snj
Date: Tue Jul 25 02:03:17 UTC 2017
Modified Files:
src/sys/arch/arm/sunxi [netbsd-8]: files.sunxi sun8i_h3_ccu.c
sunxi_ccu.c sunxi_ccu.h sunxi_mmc.c sunxi_mmc.h
Added Files:
src/sys/arch/arm/sunxi [netbsd-8]: sunxi_ccu_phase.c
Log Message:
Pull up following revision(s) (requested by jmcneill in ticket #143):
sys/arch/arm/sunxi/files.sunxi: revision 1.12
sys/arch/arm/sunxi/sun8i_h3_ccu.c: revision 1.8
sys/arch/arm/sunxi/sunxi_ccu.c: revision 1.6
sys/arch/arm/sunxi/sunxi_ccu.h: revision 1.7
sys/arch/arm/sunxi/sunxi_ccu_phase.c: revision 1.1
sys/arch/arm/sunxi/sunxi_mmc.c: revision 1.3
sys/arch/arm/sunxi/sunxi_mmc.h: revision 1.2
Add SDMMC[012] sample/output clock phase controls.
--
Add support for eMMC DDR52 transfer mode.
To generate a diff of this commit:
cvs rdiff -u -r1.12.4.2 -r1.12.4.3 src/sys/arch/arm/sunxi/files.sunxi
cvs rdiff -u -r1.8.4.2 -r1.8.4.3 src/sys/arch/arm/sunxi/sun8i_h3_ccu.c
cvs rdiff -u -r1.6.4.2 -r1.6.4.3 src/sys/arch/arm/sunxi/sunxi_ccu.c
cvs rdiff -u -r1.7.4.2 -r1.7.4.3 src/sys/arch/arm/sunxi/sunxi_ccu.h
cvs rdiff -u -r0 -r1.1.4.2 src/sys/arch/arm/sunxi/sunxi_ccu_phase.c
cvs rdiff -u -r1.3.4.3 -r1.3.4.4 src/sys/arch/arm/sunxi/sunxi_mmc.c
cvs rdiff -u -r1.2.4.2 -r1.2.4.3 src/sys/arch/arm/sunxi/sunxi_mmc.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/sunxi/files.sunxi
diff -u src/sys/arch/arm/sunxi/files.sunxi:1.12.4.2 src/sys/arch/arm/sunxi/files.sunxi:1.12.4.3
--- src/sys/arch/arm/sunxi/files.sunxi:1.12.4.2 Tue Jul 18 19:13:08 2017
+++ src/sys/arch/arm/sunxi/files.sunxi Tue Jul 25 02:03:16 2017
@@ -1,4 +1,4 @@
-# $NetBSD: files.sunxi,v 1.12.4.2 2017/07/18 19:13:08 snj Exp $
+# $NetBSD: files.sunxi,v 1.12.4.3 2017/07/25 02:03:16 snj Exp $
#
# Configuration info for Allwinner sunxi family SoCs
#
@@ -24,6 +24,7 @@ file arch/arm/sunxi/sunxi_ccu_div.c sun
file arch/arm/sunxi/sunxi_ccu_gate.c sunxi_ccu
file arch/arm/sunxi/sunxi_ccu_nm.c sunxi_ccu
file arch/arm/sunxi/sunxi_ccu_nkmp.c sunxi_ccu
+file arch/arm/sunxi/sunxi_ccu_phase.c sunxi_ccu
file arch/arm/sunxi/sunxi_ccu_prediv.c sunxi_ccu
# CCU (A31)
Index: src/sys/arch/arm/sunxi/sun8i_h3_ccu.c
diff -u src/sys/arch/arm/sunxi/sun8i_h3_ccu.c:1.8.4.2 src/sys/arch/arm/sunxi/sun8i_h3_ccu.c:1.8.4.3
--- src/sys/arch/arm/sunxi/sun8i_h3_ccu.c:1.8.4.2 Tue Jul 18 19:13:08 2017
+++ src/sys/arch/arm/sunxi/sun8i_h3_ccu.c Tue Jul 25 02:03:16 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: sun8i_h3_ccu.c,v 1.8.4.2 2017/07/18 19:13:08 snj Exp $ */
+/* $NetBSD: sun8i_h3_ccu.c,v 1.8.4.3 2017/07/25 02:03:16 snj Exp $ */
/*-
* Copyright (c) 2017 Jared McNeill <[email protected]>
@@ -29,7 +29,7 @@
#include <sys/cdefs.h>
-__KERNEL_RCSID(1, "$NetBSD: sun8i_h3_ccu.c,v 1.8.4.2 2017/07/18 19:13:08 snj Exp $");
+__KERNEL_RCSID(1, "$NetBSD: sun8i_h3_ccu.c,v 1.8.4.3 2017/07/25 02:03:16 snj Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -184,12 +184,24 @@ static struct sunxi_ccu_clk sun8i_h3_ccu
SUNXI_CCU_NM(H3_CLK_MMC0, "mmc0", mod_parents,
SDMMC0_CLK_REG, __BITS(17, 16), __BITS(3,0), __BITS(25, 24), __BIT(31),
SUNXI_CCU_NM_POWER_OF_TWO|SUNXI_CCU_NM_ROUND_DOWN),
+ SUNXI_CCU_PHASE(H3_CLK_MMC0_SAMPLE, "mmc0_sample", "mmc0",
+ SDMMC0_CLK_REG, __BITS(22,20)),
+ SUNXI_CCU_PHASE(H3_CLK_MMC0_OUTPUT, "mmc0_output", "mmc0",
+ SDMMC0_CLK_REG, __BITS(10,8)),
SUNXI_CCU_NM(H3_CLK_MMC1, "mmc1", mod_parents,
SDMMC1_CLK_REG, __BITS(17, 16), __BITS(3,0), __BITS(25, 24), __BIT(31),
SUNXI_CCU_NM_POWER_OF_TWO|SUNXI_CCU_NM_ROUND_DOWN),
+ SUNXI_CCU_PHASE(H3_CLK_MMC1_SAMPLE, "mmc1_sample", "mmc1",
+ SDMMC1_CLK_REG, __BITS(22,20)),
+ SUNXI_CCU_PHASE(H3_CLK_MMC1_OUTPUT, "mmc1_output", "mmc1",
+ SDMMC1_CLK_REG, __BITS(10,8)),
SUNXI_CCU_NM(H3_CLK_MMC2, "mmc2", mod_parents,
SDMMC2_CLK_REG, __BITS(17, 16), __BITS(3,0), __BITS(25, 24), __BIT(31),
SUNXI_CCU_NM_POWER_OF_TWO|SUNXI_CCU_NM_ROUND_DOWN),
+ SUNXI_CCU_PHASE(H3_CLK_MMC2_SAMPLE, "mmc2_sample", "mmc2",
+ SDMMC2_CLK_REG, __BITS(22,20)),
+ SUNXI_CCU_PHASE(H3_CLK_MMC2_OUTPUT, "mmc2_output", "mmc2",
+ SDMMC2_CLK_REG, __BITS(10,8)),
SUNXI_CCU_GATE(H3_CLK_BUS_MMC0, "bus-mmc0", "ahb1",
BUS_CLK_GATING_REG0, 8),
Index: src/sys/arch/arm/sunxi/sunxi_ccu.c
diff -u src/sys/arch/arm/sunxi/sunxi_ccu.c:1.6.4.2 src/sys/arch/arm/sunxi/sunxi_ccu.c:1.6.4.3
--- src/sys/arch/arm/sunxi/sunxi_ccu.c:1.6.4.2 Tue Jul 18 19:13:08 2017
+++ src/sys/arch/arm/sunxi/sunxi_ccu.c Tue Jul 25 02:03:16 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: sunxi_ccu.c,v 1.6.4.2 2017/07/18 19:13:08 snj Exp $ */
+/* $NetBSD: sunxi_ccu.c,v 1.6.4.3 2017/07/25 02:03:16 snj Exp $ */
/*-
* Copyright (c) 2017 Jared McNeill <[email protected]>
@@ -31,7 +31,7 @@
#include "opt_fdt_arm.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sunxi_ccu.c,v 1.6.4.2 2017/07/18 19:13:08 snj Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sunxi_ccu.c,v 1.6.4.3 2017/07/25 02:03:16 snj Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -329,6 +329,7 @@ sunxi_ccu_print(struct sunxi_ccu_softc *
case SUNXI_CCU_NKMP: type = "nkmp"; break;
case SUNXI_CCU_PREDIV: type = "prediv"; break;
case SUNXI_CCU_DIV: type = "div"; break;
+ case SUNXI_CCU_PHASE: type = "phase"; break;
default: type = "???"; break;
}
Index: src/sys/arch/arm/sunxi/sunxi_ccu.h
diff -u src/sys/arch/arm/sunxi/sunxi_ccu.h:1.7.4.2 src/sys/arch/arm/sunxi/sunxi_ccu.h:1.7.4.3
--- src/sys/arch/arm/sunxi/sunxi_ccu.h:1.7.4.2 Tue Jul 18 19:13:08 2017
+++ src/sys/arch/arm/sunxi/sunxi_ccu.h Tue Jul 25 02:03:16 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: sunxi_ccu.h,v 1.7.4.2 2017/07/18 19:13:08 snj Exp $ */
+/* $NetBSD: sunxi_ccu.h,v 1.7.4.3 2017/07/25 02:03:16 snj Exp $ */
/*-
* Copyright (c) 2017 Jared McNeill <[email protected]>
@@ -61,6 +61,7 @@ enum sunxi_ccu_clktype {
SUNXI_CCU_NKMP,
SUNXI_CCU_PREDIV,
SUNXI_CCU_DIV,
+ SUNXI_CCU_PHASE,
};
struct sunxi_ccu_gate {
@@ -252,6 +253,31 @@ const char *sunxi_ccu_prediv_get_parent(
.get_parent = sunxi_ccu_prediv_get_parent, \
}
+struct sunxi_ccu_phase {
+ bus_size_t reg;
+ const char *parent;
+ uint32_t mask;
+};
+
+u_int sunxi_ccu_phase_get_rate(struct sunxi_ccu_softc *,
+ struct sunxi_ccu_clk *);
+int sunxi_ccu_phase_set_rate(struct sunxi_ccu_softc *,
+ struct sunxi_ccu_clk *, u_int);
+const char *sunxi_ccu_phase_get_parent(struct sunxi_ccu_softc *,
+ struct sunxi_ccu_clk *);
+
+#define SUNXI_CCU_PHASE(_id, _name, _parent, _reg, _mask) \
+ [_id] = { \
+ .type = SUNXI_CCU_PHASE, \
+ .base.name = (_name), \
+ .u.phase.reg = (_reg), \
+ .u.phase.parent = (_parent), \
+ .u.phase.mask = (_mask), \
+ .get_rate = sunxi_ccu_phase_get_rate, \
+ .set_rate = sunxi_ccu_phase_set_rate, \
+ .get_parent = sunxi_ccu_phase_get_parent, \
+ }
+
struct sunxi_ccu_clk {
struct clk base;
enum sunxi_ccu_clktype type;
@@ -261,6 +287,7 @@ struct sunxi_ccu_clk {
struct sunxi_ccu_nkmp nkmp;
struct sunxi_ccu_prediv prediv;
struct sunxi_ccu_div div;
+ struct sunxi_ccu_phase phase;
} u;
int (*enable)(struct sunxi_ccu_softc *,
Index: src/sys/arch/arm/sunxi/sunxi_mmc.c
diff -u src/sys/arch/arm/sunxi/sunxi_mmc.c:1.3.4.3 src/sys/arch/arm/sunxi/sunxi_mmc.c:1.3.4.4
--- src/sys/arch/arm/sunxi/sunxi_mmc.c:1.3.4.3 Tue Jul 25 01:49:13 2017
+++ src/sys/arch/arm/sunxi/sunxi_mmc.c Tue Jul 25 02:03:16 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: sunxi_mmc.c,v 1.3.4.3 2017/07/25 01:49:13 snj Exp $ */
+/* $NetBSD: sunxi_mmc.c,v 1.3.4.4 2017/07/25 02:03:16 snj Exp $ */
/*-
* Copyright (c) 2014-2017 Jared McNeill <[email protected]>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sunxi_mmc.c,v 1.3.4.3 2017/07/25 01:49:13 snj Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sunxi_mmc.c,v 1.3.4.4 2017/07/25 02:03:16 snj Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -45,6 +45,27 @@ __KERNEL_RCSID(0, "$NetBSD: sunxi_mmc.c,
#include <arm/sunxi/sunxi_mmc.h>
+enum sunxi_mmc_timing {
+ SUNXI_MMC_TIMING_400K,
+ SUNXI_MMC_TIMING_25M,
+ SUNXI_MMC_TIMING_50M,
+ SUNXI_MMC_TIMING_50M_DDR,
+ SUNXI_MMC_TIMING_50M_DDR_8BIT,
+};
+
+struct sunxi_mmc_delay {
+ u_int output_phase;
+ u_int sample_phase;
+};
+
+static const struct sunxi_mmc_delay sunxi_mmc_delays[] = {
+ [SUNXI_MMC_TIMING_400K] = { 180, 180 },
+ [SUNXI_MMC_TIMING_25M] = { 180, 75 },
+ [SUNXI_MMC_TIMING_50M] = { 90, 120 },
+ [SUNXI_MMC_TIMING_50M_DDR] = { 60, 120 },
+ [SUNXI_MMC_TIMING_50M_DDR_8BIT] = { 90, 180 },
+};
+
#define SUNXI_MMC_NDESC 16
#define SUNXI_MMC_DMA_XFERLEN 0x10000
#define SUNXI_MMC_DMA_FTRGLEVEL 0x20070008
@@ -64,9 +85,10 @@ static int sunxi_mmc_host_maxblklen(sdmm
static int sunxi_mmc_card_detect(sdmmc_chipset_handle_t);
static int sunxi_mmc_write_protect(sdmmc_chipset_handle_t);
static int sunxi_mmc_bus_power(sdmmc_chipset_handle_t, uint32_t);
-static int sunxi_mmc_bus_clock(sdmmc_chipset_handle_t, int);
+static int sunxi_mmc_bus_clock(sdmmc_chipset_handle_t, int, bool);
static int sunxi_mmc_bus_width(sdmmc_chipset_handle_t, int);
static int sunxi_mmc_bus_rod(sdmmc_chipset_handle_t, int);
+static int sunxi_mmc_signal_voltage(sdmmc_chipset_handle_t, int);
static void sunxi_mmc_exec_command(sdmmc_chipset_handle_t,
struct sdmmc_command *);
static void sunxi_mmc_card_enable_intr(sdmmc_chipset_handle_t, int);
@@ -79,9 +101,10 @@ static struct sdmmc_chip_functions sunxi
.card_detect = sunxi_mmc_card_detect,
.write_protect = sunxi_mmc_write_protect,
.bus_power = sunxi_mmc_bus_power,
- .bus_clock = sunxi_mmc_bus_clock,
+ .bus_clock_ddr = sunxi_mmc_bus_clock,
.bus_width = sunxi_mmc_bus_width,
.bus_rod = sunxi_mmc_bus_rod,
+ .signal_voltage = sunxi_mmc_signal_voltage,
.exec_command = sunxi_mmc_exec_command,
.card_enable_intr = sunxi_mmc_card_enable_intr,
.card_intr_ack = sunxi_mmc_card_intr_ack,
@@ -129,6 +152,8 @@ struct sunxi_mmc_softc {
int sc_gpio_cd_inverted;
struct fdtbus_gpio_pin *sc_gpio_wp;
int sc_gpio_wp_inverted;
+
+ struct fdtbus_regulator *sc_reg_vqmmc;
};
CFATTACH_DECL_NEW(sunxi_mmc, sizeof(struct sunxi_mmc_softc),
@@ -188,6 +213,8 @@ sunxi_mmc_attach(device_t parent, device
return;
}
+ sc->sc_reg_vqmmc = fdtbus_regulator_acquire(phandle, "vqmmc-supply");
+
if (clk_enable(sc->sc_clk_ahb) != 0 ||
clk_enable(sc->sc_clk_mmc) != 0) {
aprint_error(": couldn't enable clocks\n");
@@ -287,9 +314,44 @@ free:
}
static int
-sunxi_mmc_set_clock(struct sunxi_mmc_softc *sc, u_int freq)
+sunxi_mmc_set_clock(struct sunxi_mmc_softc *sc, u_int freq, bool ddr)
{
- return clk_set_rate(sc->sc_clk_mmc, freq * 1000);
+ const struct sunxi_mmc_delay *delays;
+ int error, timing;
+
+ if (freq <= 400) {
+ timing = SUNXI_MMC_TIMING_400K;
+ } else if (freq <= 25000) {
+ timing = SUNXI_MMC_TIMING_25M;
+ } else if (freq <= 52000) {
+ if (ddr) {
+ timing = sc->sc_mmc_width == 8 ?
+ SUNXI_MMC_TIMING_50M_DDR_8BIT :
+ SUNXI_MMC_TIMING_50M_DDR;
+ } else {
+ timing = SUNXI_MMC_TIMING_50M;
+ }
+ } else
+ return EINVAL;
+
+ delays = &sunxi_mmc_delays[timing];
+
+ error = clk_set_rate(sc->sc_clk_mmc, (freq * 1000) << ddr);
+ if (error != 0)
+ return error;
+
+ if (sc->sc_clk_sample) {
+ error = clk_set_rate(sc->sc_clk_sample, delays->sample_phase);
+ if (error != 0)
+ return error;
+ }
+ if (sc->sc_clk_output) {
+ error = clk_set_rate(sc->sc_clk_output, delays->output_phase);
+ if (error != 0)
+ return error;
+ }
+
+ return 0;
}
static void
@@ -301,7 +363,7 @@ sunxi_mmc_attach_i(device_t self)
sunxi_mmc_host_reset(sc);
sunxi_mmc_bus_width(sc, 1);
- sunxi_mmc_set_clock(sc, 400);
+ sunxi_mmc_set_clock(sc, 400, false);
if (of_getprop_uint32(sc->sc_phandle, "bus-width", &width) != 0)
width = 4;
@@ -318,6 +380,7 @@ sunxi_mmc_attach_i(device_t self)
SMC_CAPS_AUTO_STOP |
SMC_CAPS_SD_HIGHSPEED |
SMC_CAPS_MMC_HIGHSPEED |
+ SMC_CAPS_MMC_DDR52 |
SMC_CAPS_POLLING;
if (width == 4)
saa.saa_caps |= SMC_CAPS_4BIT_MODE;
@@ -535,10 +598,10 @@ sunxi_mmc_update_clock(struct sunxi_mmc_
}
static int
-sunxi_mmc_bus_clock(sdmmc_chipset_handle_t sch, int freq)
+sunxi_mmc_bus_clock(sdmmc_chipset_handle_t sch, int freq, bool ddr)
{
struct sunxi_mmc_softc *sc = sch;
- uint32_t clkcr;
+ uint32_t clkcr, gctrl;
clkcr = MMC_READ(sc, SUNXI_MMC_CLKCR);
if (clkcr & SUNXI_MMC_CLKCR_CARDCLKON) {
@@ -551,11 +614,19 @@ sunxi_mmc_bus_clock(sdmmc_chipset_handle
if (freq) {
clkcr &= ~SUNXI_MMC_CLKCR_DIV;
+ clkcr |= __SHIFTIN(ddr, SUNXI_MMC_CLKCR_DIV);
MMC_WRITE(sc, SUNXI_MMC_CLKCR, clkcr);
if (sunxi_mmc_update_clock(sc) != 0)
return 1;
- if (sunxi_mmc_set_clock(sc, freq) != 0)
+ gctrl = MMC_READ(sc, SUNXI_MMC_GCTRL);
+ if (ddr)
+ gctrl |= SUNXI_MMC_GCTRL_DDR_MODE;
+ else
+ gctrl &= ~SUNXI_MMC_GCTRL_DDR_MODE;
+ MMC_WRITE(sc, SUNXI_MMC_GCTRL, gctrl);
+
+ if (sunxi_mmc_set_clock(sc, freq, ddr) != 0)
return 1;
clkcr |= SUNXI_MMC_CLKCR_CARDCLKON;
@@ -602,6 +673,34 @@ sunxi_mmc_bus_rod(sdmmc_chipset_handle_t
}
static int
+sunxi_mmc_signal_voltage(sdmmc_chipset_handle_t sch, int signal_voltage)
+{
+ struct sunxi_mmc_softc *sc = sch;
+ u_int uvol;
+ int error;
+
+ if (sc->sc_reg_vqmmc == NULL)
+ return 0;
+
+ switch (signal_voltage) {
+ case SDMMC_SIGNAL_VOLTAGE_330:
+ uvol = 3300000;
+ break;
+ case SDMMC_SIGNAL_VOLTAGE_180:
+ uvol = 1800000;
+ break;
+ default:
+ return EINVAL;
+ }
+
+ error = fdtbus_regulator_set_voltage(sc->sc_reg_vqmmc, uvol, uvol);
+ if (error != 0)
+ return error;
+
+ return fdtbus_regulator_enable(sc->sc_reg_vqmmc);
+}
+
+static int
sunxi_mmc_dma_prepare(struct sunxi_mmc_softc *sc, struct sdmmc_command *cmd)
{
struct sunxi_mmc_idma_descriptor *dma = sc->sc_idma_desc;
Index: src/sys/arch/arm/sunxi/sunxi_mmc.h
diff -u src/sys/arch/arm/sunxi/sunxi_mmc.h:1.2.4.2 src/sys/arch/arm/sunxi/sunxi_mmc.h:1.2.4.3
--- src/sys/arch/arm/sunxi/sunxi_mmc.h:1.2.4.2 Tue Jul 18 19:13:08 2017
+++ src/sys/arch/arm/sunxi/sunxi_mmc.h Tue Jul 25 02:03:16 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: sunxi_mmc.h,v 1.2.4.2 2017/07/18 19:13:08 snj Exp $ */
+/* $NetBSD: sunxi_mmc.h,v 1.2.4.3 2017/07/25 02:03:16 snj Exp $ */
/*-
* Copyright (c) 2017 Jared McNeill <[email protected]>
@@ -51,6 +51,7 @@
#define SUNXI_MMC_BBCR 0x004C
#define SUNXI_MMC_DBGC 0x0050
#define SUNXI_MMC_A12A 0x0058 /* A80 */
+#define SUNXI_MMC_NTSR 0x005C
#define SUNXI_MMC_HWRST 0x0078 /* A80 */
#define SUNXI_MMC_DMAC 0x0080
#define SUNXI_MMC_DLBA 0x0084
@@ -58,7 +59,7 @@
#define SUNXI_MMC_IDIE 0x008C
#define SUNXI_MMC_CHDA 0x0090
#define SUNXI_MMC_CBDA 0x0094
-#define SUNXI_MMC_FIFO 0x0100
+
#define SUNXI_MMC_GCTRL_ACCESS_BY_AHB __BIT(31)
#define SUNXI_MMC_GCTRL_WAIT_MEM_ACCESS_DONE __BIT(30)
#define SUNXI_MMC_GCTRL_DDR_MODE __BIT(10)
@@ -73,7 +74,7 @@
SUNXI_MMC_GCTRL_DMARESET)
#define SUNXI_MMC_CLKCR_LOWPOWERON __BIT(17)
#define SUNXI_MMC_CLKCR_CARDCLKON __BIT(16)
-#define SUNXI_MMC_CLKCR_DIV __BITS(15,0)
+#define SUNXI_MMC_CLKCR_DIV __BITS(7,0)
#define SUNXI_MMC_WIDTH_1 0
#define SUNXI_MMC_WIDTH_4 1
#define SUNXI_MMC_WIDTH_8 2
@@ -137,6 +138,9 @@
#define SUNXI_MMC_FUNCSEL_ABT_RD_DATA __BIT(2)
#define SUNXI_MMC_FUNCSEL_SDIO_RD_WAIT __BIT(1)
#define SUNXI_MMC_FUNCSEL_SEND_IRQ_RSP __BIT(0)
+#define SUNXI_MMC_NTSR_MODE_SELECT __BIT(31)
+#define SUNXI_MMC_NTSR_SAMPLE_PHASE __BITS(30,6)
+#define SUNXI_MMC_NTSR_OUTPUT_PHASE __BITS(1,0)
#define SUNXI_MMC_DMAC_REFETCH_DES __BIT(31)
#define SUNXI_MMC_DMAC_IDMA_ON __BIT(7)
#define SUNXI_MMC_DMAC_FIX_BURST __BIT(1)
Added files:
Index: src/sys/arch/arm/sunxi/sunxi_ccu_phase.c
diff -u /dev/null src/sys/arch/arm/sunxi/sunxi_ccu_phase.c:1.1.4.2
--- /dev/null Tue Jul 25 02:03:17 2017
+++ src/sys/arch/arm/sunxi/sunxi_ccu_phase.c Tue Jul 25 02:03:16 2017
@@ -0,0 +1,126 @@
+/* $NetBSD: sunxi_ccu_phase.c,v 1.1.4.2 2017/07/25 02:03:16 snj Exp $ */
+
+/*-
+ * Copyright (c) 2017 Jared McNeill <[email protected]>
+ * 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 <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: sunxi_ccu_phase.c,v 1.1.4.2 2017/07/25 02:03:16 snj Exp $");
+
+#include <sys/param.h>
+#include <sys/bus.h>
+
+#include <dev/clk/clk_backend.h>
+
+#include <arm/sunxi/sunxi_ccu.h>
+
+static u_int
+sunxi_ccu_phase_get_parent_rate(struct clk *clkp)
+{
+ struct clk *clkp_parent;
+
+ clkp_parent = clk_get_parent(clkp);
+ if (clkp_parent == NULL)
+ return 0;
+
+ return clk_get_rate(clkp_parent);
+}
+
+static u_int
+sunxi_ccu_phase_div(u_int n, u_int d)
+{
+ return (n + (d/2)) / d;
+}
+
+u_int
+sunxi_ccu_phase_get_rate(struct sunxi_ccu_softc *sc,
+ struct sunxi_ccu_clk *clk)
+{
+ struct sunxi_ccu_phase *phase = &clk->u.phase;
+ struct clk *clkp = &clk->base;
+ u_int p_rate, gp_rate, p_div, delay;
+ uint32_t val;
+
+ KASSERT(clk->type == SUNXI_CCU_PHASE);
+
+ p_rate = sunxi_ccu_phase_get_parent_rate(clkp);
+ if (p_rate == 0)
+ return 0;
+ gp_rate = sunxi_ccu_phase_get_parent_rate(clk_get_parent(clkp));
+ if (gp_rate == 0)
+ return 0;
+
+ p_div = gp_rate / p_rate;
+
+ val = CCU_READ(sc, phase->reg);
+ delay = __SHIFTOUT(val, phase->mask);
+
+ return delay * sunxi_ccu_phase_div(360, p_div);
+}
+
+int
+sunxi_ccu_phase_set_rate(struct sunxi_ccu_softc *sc,
+ struct sunxi_ccu_clk *clk, u_int new_rate)
+{
+ struct sunxi_ccu_phase *phase = &clk->u.phase;
+ struct clk *clkp = &clk->base;
+ u_int p_rate, gp_rate, p_div, delay;
+ uint32_t val;
+
+ KASSERT(clk->type == SUNXI_CCU_PHASE);
+
+ clkp = &clk->base;
+
+ p_rate = sunxi_ccu_phase_get_parent_rate(clkp);
+ if (p_rate == 0)
+ return 0;
+ gp_rate = sunxi_ccu_phase_get_parent_rate(clk_get_parent(clkp));
+ if (gp_rate == 0)
+ return 0;
+
+ p_div = gp_rate / p_rate;
+
+ delay = new_rate == 180 ? 0 :
+ sunxi_ccu_phase_div(new_rate,
+ sunxi_ccu_phase_div(360, p_div));
+
+ val = CCU_READ(sc, phase->reg);
+ val &= ~phase->mask;
+ val |= __SHIFTIN(delay, phase->mask);
+ CCU_WRITE(sc, phase->reg, val);
+
+ return 0;
+}
+
+const char *
+sunxi_ccu_phase_get_parent(struct sunxi_ccu_softc *sc,
+ struct sunxi_ccu_clk *clk)
+{
+ struct sunxi_ccu_phase *phase = &clk->u.phase;
+
+ KASSERT(clk->type == SUNXI_CCU_PHASE);
+
+ return phase->parent;
+}
