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[src/trunk]: src/sys/arch Add H3 MMC support



details:   https://anonhg.NetBSD.org/src/rev/73cb4f3242db
branches:  trunk
changeset: 825073:73cb4f3242db
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Thu Jun 29 09:26:06 2017 +0000

description:
Add H3 MMC support

diffstat:

 sys/arch/arm/sunxi/files.sunxi        |   10 +-
 sys/arch/arm/sunxi/sun8i_h3_ccu.c     |   47 +-
 sys/arch/arm/sunxi/sunxi_ccu.c        |   10 +-
 sys/arch/arm/sunxi/sunxi_ccu.h        |   97 +++-
 sys/arch/arm/sunxi/sunxi_ccu_nkmp.c   |  117 ++++
 sys/arch/arm/sunxi/sunxi_ccu_nm.c     |  112 ++++-
 sys/arch/arm/sunxi/sunxi_ccu_prediv.c |  127 +++++
 sys/arch/arm/sunxi/sunxi_mmc.c        |  857 ++++++++++++++++++++++++++++++++++
 sys/arch/arm/sunxi/sunxi_mmc.h        |  179 +++++++
 sys/arch/evbarm/conf/SUNXI            |   16 +-
 10 files changed, 1549 insertions(+), 23 deletions(-)

diffs (truncated from 1781 to 300 lines):

diff -r 75968ceb50fc -r 73cb4f3242db sys/arch/arm/sunxi/files.sunxi
--- a/sys/arch/arm/sunxi/files.sunxi    Thu Jun 29 08:51:27 2017 +0000
+++ b/sys/arch/arm/sunxi/files.sunxi    Thu Jun 29 09:26:06 2017 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: files.sunxi,v 1.1 2017/06/28 23:51:29 jmcneill Exp $
+#      $NetBSD: files.sunxi,v 1.2 2017/06/29 09:26:06 jmcneill Exp $
 #
 # Configuration info for Allwinner sunxi family SoCs
 #
@@ -22,7 +22,10 @@
 file   arch/arm/sunxi/sunxi_ccu.c              sunxi_ccu
 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_prediv.c       sunxi_ccu
 
+# CCU (H3)
 device sun8ih3ccu: sunxi_ccu
 attach sun8ih3ccu at fdt with sunxi_h3_ccu
 file   arch/arm/sunxi/sun8i_h3_ccu.c           sunxi_h3_ccu
@@ -31,6 +34,11 @@
 attach com at fdt with sunxi_com
 file   arch/arm/sunxi/sunxi_com.c              sunxi_com needs-flag
 
+# SD/MMC
+device sunximmc: sdmmcbus
+attach sunximmc at fdt with sunxi_mmc
+file   arch/arm/sunxi/sunxi_mmc.c              sunxi_mmc
+
 # SOC parameters
 defflag        opt_soc.h                       SOC_SUNXI
 defflag        opt_soc.h                       SOC_SUN8I: SOC_SUNXI
diff -r 75968ceb50fc -r 73cb4f3242db sys/arch/arm/sunxi/sun8i_h3_ccu.c
--- a/sys/arch/arm/sunxi/sun8i_h3_ccu.c Thu Jun 29 08:51:27 2017 +0000
+++ b/sys/arch/arm/sunxi/sun8i_h3_ccu.c Thu Jun 29 09:26:06 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: sun8i_h3_ccu.c,v 1.1 2017/06/28 23:51:29 jmcneill Exp $ */
+/* $NetBSD: sun8i_h3_ccu.c,v 1.2 2017/06/29 09:26:06 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2017 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -29,7 +29,7 @@
 
 #include <sys/cdefs.h>
 
-__KERNEL_RCSID(1, "$NetBSD: sun8i_h3_ccu.c,v 1.1 2017/06/28 23:51:29 jmcneill Exp $");
+__KERNEL_RCSID(1, "$NetBSD: sun8i_h3_ccu.c,v 1.2 2017/06/29 09:26:06 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -49,8 +49,14 @@
 #define        BUS_SOFT_RST_REG3       0x2d0
 #define        BUS_SOFT_RST_REG4       0x2d8
 
+#define        PLL_PERIPH0_CTRL_REG    0x028
+#define        AHB1_APB1_CFG_REG       0x054
 #define        APB2_CFG_REG            0x058
+#define        BUS_CLK_GATING_REG0     0x060
 #define        BUS_CLK_GATING_REG3     0x06c
+#define        SDMMC0_CLK_REG          0x088
+#define        SDMMC1_CLK_REG          0x08c
+#define        SDMMC2_CLK_REG          0x090
 
 static int sun8i_h3_ccu_match(device_t, cfdata_t, void *);
 static void sun8i_h3_ccu_attach(device_t, device_t, void *);
@@ -126,13 +132,48 @@
        SUNXI_CCU_RESET(H3_RST_BUS_SCR, BUS_SOFT_RST_REG4, 20),
 };
 
+static const char *ahb1_parents[] = { "losc", "hosc", "axi", "pll_periph0" };
 static const char *apb2_parents[] = { "losc", "hosc", "pll_periph0" };
+static const char *mod_parents[] = { "hosc", "pll_periph0", "pll_periph1" };
 
 static struct sunxi_ccu_clk sun8i_h3_ccu_clks[] = {
+       SUNXI_CCU_NKMP(H3_CLK_PLL_PERIPH0, "pll_periph0", "hosc",
+           PLL_PERIPH0_CTRL_REG, __BITS(12,8), __BITS(5,3), 0, __BITS(17,16), __BIT(31),
+           0),
+
+       SUNXI_CCU_PREDIV(H3_CLK_AHB1, "ahb1", ahb1_parents,
+           AHB1_APB1_CFG_REG,  /* reg */
+           __BITS(7,6),        /* prediv */
+           __BIT(3),           /* prediv_sel */
+           __BITS(5,4),        /* div */
+           __BITS(13,12),      /* sel */
+           SUNXI_CCU_PREDIV_POWER_OF_TWO),
+
        SUNXI_CCU_NM(H3_CLK_APB2, "apb2", apb2_parents,
-           APB2_CFG_REG, __BITS(17,16), __BITS(4,0), __BITS(25,24),
+           APB2_CFG_REG,       /* reg */
+           __BITS(17,16),      /* n */
+           __BITS(4,0),        /* m */
+           __BITS(25,24),      /* sel */
+           0,                  /* enable */
            SUNXI_CCU_NM_POWER_OF_TWO),
 
+       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_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_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_GATE(H3_CLK_BUS_MMC0, "bus-mmc0", "ahb1",
+           BUS_CLK_GATING_REG0, 8),
+       SUNXI_CCU_GATE(H3_CLK_BUS_MMC1, "bus-mmc1", "ahb1",
+           BUS_CLK_GATING_REG0, 9),
+       SUNXI_CCU_GATE(H3_CLK_BUS_MMC2, "bus-mmc2", "ahb1",
+           BUS_CLK_GATING_REG0, 10),
+
        SUNXI_CCU_GATE(H3_CLK_BUS_UART0, "bus-uart0", "apb2",
            BUS_CLK_GATING_REG3, 19),
 };
diff -r 75968ceb50fc -r 73cb4f3242db sys/arch/arm/sunxi/sunxi_ccu.c
--- a/sys/arch/arm/sunxi/sunxi_ccu.c    Thu Jun 29 08:51:27 2017 +0000
+++ b/sys/arch/arm/sunxi/sunxi_ccu.c    Thu Jun 29 09:26:06 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: sunxi_ccu.c,v 1.1 2017/06/28 23:51:29 jmcneill Exp $ */
+/* $NetBSD: sunxi_ccu.c,v 1.2 2017/06/29 09:26:06 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2017 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -31,7 +31,7 @@
 #include "opt_fdt_arm.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sunxi_ccu.c,v 1.1 2017/06/28 23:51:29 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sunxi_ccu.c,v 1.2 2017/06/29 09:26:06 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -326,13 +326,15 @@
                switch (clk->type) {
                case SUNXI_CCU_GATE:    type = "gate"; break;
                case SUNXI_CCU_NM:      type = "nm"; break;
+               case SUNXI_CCU_NKMP:    type = "nkmp"; break;
                default:                type = "???"; break;
                }
 
-               printf("  %-10s %2s %-10s %-5s %10d Hz\n",
+               printf("  %-12s %2s %-12s %-5s ",
                    clk->base.name,
                    clkp_parent ? "<-" : "",
                    clkp_parent ? clkp_parent->name : "",
-                   type, clk_get_rate(&clk->base));
+                   type);
+               printf("%10d Hz\n", clk_get_rate(&clk->base));
        }
 }
diff -r 75968ceb50fc -r 73cb4f3242db sys/arch/arm/sunxi/sunxi_ccu.h
--- a/sys/arch/arm/sunxi/sunxi_ccu.h    Thu Jun 29 08:51:27 2017 +0000
+++ b/sys/arch/arm/sunxi/sunxi_ccu.h    Thu Jun 29 09:26:06 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: sunxi_ccu.h,v 1.1 2017/06/28 23:51:29 jmcneill Exp $ */
+/* $NetBSD: sunxi_ccu.h,v 1.2 2017/06/29 09:26:06 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2017 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -58,6 +58,8 @@
        SUNXI_CCU_UNKNOWN,
        SUNXI_CCU_GATE,
        SUNXI_CCU_NM,
+       SUNXI_CCU_NKMP,
+       SUNXI_CCU_PREDIV,
 };
 
 struct sunxi_ccu_gate {
@@ -82,6 +84,46 @@
                .get_parent = sunxi_ccu_gate_get_parent,        \
        }
 
+struct sunxi_ccu_nkmp {
+       bus_size_t      reg;
+       const char      *parent;
+       uint32_t        n;
+       uint32_t        k;
+       uint32_t        m;
+       uint32_t        p;
+       uint32_t        lock;
+       uint32_t        enable;
+       uint32_t        flags;
+};
+
+int    sunxi_ccu_nkmp_enable(struct sunxi_ccu_softc *,
+                             struct sunxi_ccu_clk *, int);
+u_int  sunxi_ccu_nkmp_get_rate(struct sunxi_ccu_softc *,
+                               struct sunxi_ccu_clk *);
+int    sunxi_ccu_nkmp_set_rate(struct sunxi_ccu_softc *,
+                               struct sunxi_ccu_clk *, u_int);
+const char *sunxi_ccu_nkmp_get_parent(struct sunxi_ccu_softc *,
+                                     struct sunxi_ccu_clk *);
+
+#define        SUNXI_CCU_NKMP(_id, _name, _parent, _reg, _n, _k, _m,   \
+                      _p, _enable, _flags)                     \
+       [_id] = {                                               \
+               .type = SUNXI_CCU_NKMP,                         \
+               .base.name = (_name),                           \
+               .u.nkmp.reg = (_reg),                           \
+               .u.nkmp.parent = (_parent),                     \
+               .u.nkmp.n = (_n),                               \
+               .u.nkmp.k = (_k),                               \
+               .u.nkmp.m = (_m),                               \
+               .u.nkmp.p = (_p),                               \
+               .u.nkmp.enable = (_enable),                     \
+               .u.nkmp.flags = (_flags),                       \
+               .enable = sunxi_ccu_nkmp_enable,                \
+               .get_rate = sunxi_ccu_nkmp_get_rate,            \
+               .set_rate = sunxi_ccu_nkmp_set_rate,            \
+               .get_parent = sunxi_ccu_nkmp_get_parent,        \
+       }
+
 struct sunxi_ccu_nm {
        bus_size_t      reg;
        const char      **parents;
@@ -89,10 +131,14 @@
        uint32_t        n;
        uint32_t        m;
        uint32_t        sel;
+       uint32_t        enable;
        uint32_t        flags;
 #define        SUNXI_CCU_NM_POWER_OF_TWO       __BIT(0)
+#define        SUNXI_CCU_NM_ROUND_DOWN         __BIT(1)
 };
 
+int    sunxi_ccu_nm_enable(struct sunxi_ccu_softc *,
+                           struct sunxi_ccu_clk *, int);
 u_int  sunxi_ccu_nm_get_rate(struct sunxi_ccu_softc *,
                              struct sunxi_ccu_clk *);
 int    sunxi_ccu_nm_set_rate(struct sunxi_ccu_softc *,
@@ -104,7 +150,7 @@
                                    struct sunxi_ccu_clk *);
 
 #define        SUNXI_CCU_NM(_id, _name, _parents, _reg, _n, _m, _sel,  \
-                    _flags)                                    \
+                    _enable, _flags)                           \
        [_id] = {                                               \
                .type = SUNXI_CCU_NM,                           \
                .base.name = (_name),                           \
@@ -114,17 +160,64 @@
                .u.nm.n = (_n),                                 \
                .u.nm.m = (_m),                                 \
                .u.nm.sel = (_sel),                             \
+               .u.nm.enable = (_enable),                       \
                .u.nm.flags = (_flags),                         \
+               .enable = sunxi_ccu_nm_enable,                  \
+               .get_rate = sunxi_ccu_nm_get_rate,              \
+               .set_rate = sunxi_ccu_nm_set_rate,              \
                .set_parent = sunxi_ccu_nm_set_parent,          \
                .get_parent = sunxi_ccu_nm_get_parent,          \
        }
 
+struct sunxi_ccu_prediv {
+       bus_size_t      reg;
+       const char      **parents;
+       u_int           nparents;
+       uint32_t        prediv;
+       uint32_t        prediv_sel;
+       uint32_t        div;
+       uint32_t        sel;
+       uint32_t        flags;
+#define        SUNXI_CCU_PREDIV_POWER_OF_TWO   __BIT(0)
+};
+
+u_int  sunxi_ccu_prediv_get_rate(struct sunxi_ccu_softc *,
+                                 struct sunxi_ccu_clk *);
+int    sunxi_ccu_prediv_set_rate(struct sunxi_ccu_softc *,
+                                 struct sunxi_ccu_clk *, u_int);
+int    sunxi_ccu_prediv_set_parent(struct sunxi_ccu_softc *,
+                                   struct sunxi_ccu_clk *,
+                                   const char *);
+const char *sunxi_ccu_prediv_get_parent(struct sunxi_ccu_softc *,
+                                       struct sunxi_ccu_clk *);
+
+#define        SUNXI_CCU_PREDIV(_id, _name, _parents, _reg, _prediv,   \
+                    _prediv_sel, _div, _sel, _flags)           \
+       [_id] = {                                               \
+               .type = SUNXI_CCU_PREDIV,                       \
+               .base.name = (_name),                           \
+               .u.prediv.reg = (_reg),                         \
+               .u.prediv.parents = (_parents),                 \
+               .u.prediv.nparents = __arraycount(_parents),    \
+               .u.prediv.prediv = (_prediv),                   \
+               .u.prediv.prediv_sel = (_prediv_sel),           \
+               .u.prediv.div = (_div),                         \
+               .u.prediv.sel = (_sel),                         \
+               .u.prediv.flags = (_flags),                     \
+               .get_rate = sunxi_ccu_prediv_get_rate,          \
+               .set_rate = sunxi_ccu_prediv_set_rate,          \
+               .set_parent = sunxi_ccu_prediv_set_parent,      \
+               .get_parent = sunxi_ccu_prediv_get_parent,      \
+       }
+
 struct sunxi_ccu_clk {
        struct clk      base;
        enum sunxi_ccu_clktype type;
        union {
                struct sunxi_ccu_gate gate;
                struct sunxi_ccu_nm nm;



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