This adds support for the StarFive JH7110 SoC which also feature this SiFive cache controller.

Signed-off-by: Yanhong Wang yanhong.wang@starfivetech.com Tested-by: Conor Dooley conor.dooley@microchip.com --- drivers/cache/cache-sifive-ccache.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/cache/cache-sifive-ccache.c b/drivers/cache/cache-sifive-ccache.c index c8766f6242..521df40466 100644 --- a/drivers/cache/cache-sifive-ccache.c +++ b/drivers/cache/cache-sifive-ccache.c @@ -62,6 +62,7 @@ static int sifive_ccache_probe(struct udevice *dev) static const struct udevice_id sifive_ccache_ids[] = { { .compatible = "sifive,fu540-c000-ccache" }, { .compatible = "sifive,fu740-c000-ccache" }, + { .compatible = "sifive,ccache0" }, {} };

Add a DM reset driver for StarFive JH7110 SoC.

Note that the register base address of reset controller is the same with the clock controller. Therefore, there is no device tree node alone for reset driver.It binds device node in the clock driver

Signed-off-by: Yanhong Wang yanhong.wang@starfivetech.com Tested-by: Conor Dooley conor.dooley@microchip.com --- drivers/reset/Kconfig | 16 ++++ drivers/reset/Makefile | 1 + drivers/reset/reset-jh7110.c | 158 +++++++++++++++++++++++++++++++++++ 3 files changed, 175 insertions(+) create mode 100644 drivers/reset/reset-jh7110.c

diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig index e4039d7474..73bbd30692 100644 --- a/drivers/reset/Kconfig +++ b/drivers/reset/Kconfig @@ -172,6 +172,22 @@ config RESET_SIFIVE different hw blocks like DDR, gemgxl. With this driver we leverage U-Boot's reset framework to reset these hardware blocks.

+config RESET_JH7110 + bool "Reset driver for StarFive JH7110 SoC" + depends on DM_RESET && STARFIVE_JH7110 + default y + help + Support for reset controller on StarFive + JH7110 SoCs. + +config SPL_RESET_JH7110 + bool "SPL Reset driver for StarFive JH7110 SoC" + depends on SPL && STARFIVE_JH7110 + default y + help + Support for reset controller on StarFive + JH7110 SoCs in SPL. + config RESET_SYSCON bool "Enable generic syscon reset driver support" depends on DM_RESET diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile index 6c8b45ecba..6801268180 100644 --- a/drivers/reset/Makefile +++ b/drivers/reset/Makefile @@ -32,3 +32,4 @@ obj-$(CONFIG_RESET_SCMI) += reset-scmi.o obj-$(CONFIG_RESET_ZYNQMP) += reset-zynqmp.o obj-$(CONFIG_RESET_DRA7) += reset-dra7.o obj-$(CONFIG_RESET_AT91) += reset-at91.o +obj-$(CONFIG_$(SPL_TPL_)RESET_JH7110) += reset-jh7110.o diff --git a/drivers/reset/reset-jh7110.c b/drivers/reset/reset-jh7110.c new file mode 100644 index 0000000000..d6bdf6bb00 --- /dev/null +++ b/drivers/reset/reset-jh7110.c @@ -0,0 +1,158 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2022 StarFive Technology Co., Ltd. + * Author: Yanhong Wang yanhong.wang@starfivetech.com + * + */ + +#include <common.h> +#include <dm.h> +#include <dm/ofnode.h> +#include <dt-bindings/reset/starfive,jh7110-crg.h> +#include <errno.h> +#include <linux/iopoll.h> +#include <reset-uclass.h> + +struct jh7110_reset_priv { + void __iomem *reg; + u32 assert; + u32 status; + u32 resets; +}; + +struct reset_info { + const char *compat; + const u32 nr_resets; + const u32 assert_offset; + const u32 status_offset; +}; + +static const struct reset_info jh7110_rst_info[] = { + { + .compat = "starfive,jh7110-syscrg", + .nr_resets = JH7110_SYSRST_END, + .assert_offset = 0x2F8, + .status_offset = 0x308, + }, + { + .compat = "starfive,jh7110-aoncrg", + .nr_resets = JH7110_AONRST_END, + .assert_offset = 0x38, + .status_offset = 0x3C, + }, + { + .compat = "starfive,jh7110-stgcrg", + .nr_resets = JH7110_STGRST_END, + .assert_offset = 0x74, + .status_offset = 0x78, + } +}; + +static const struct reset_info *jh7110_reset_get_cfg(const char *compat) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(jh7110_rst_info); i++) + if (!strcmp(compat, jh7110_rst_info[i].compat)) + return &jh7110_rst_info[i]; + + return NULL; +} + +static int jh7110_reset_trigger(struct jh7110_reset_priv *priv, + unsigned long id, bool assert) +{ + ulong group; + u32 mask, value, done = 0; + ulong addr; + + group = id / 32; + mask = BIT(id % 32); + + if (!assert) + done ^= mask; + + addr = (ulong)priv->reg + priv->assert + group * sizeof(u32); + value = readl((ulong *)addr); + + if (assert) + value |= mask; + else + value &= ~mask; + + writel(value, (ulong *)addr); + addr = (ulong)priv->reg + priv->status + group * sizeof(u32); + + return readl_poll_timeout((ulong *)addr, value, + (value & mask) == done, 1000); +} + +static int jh7110_reset_assert(struct reset_ctl *rst) +{ + struct jh7110_reset_priv *priv = dev_get_priv(rst->dev); + + jh7110_reset_trigger(priv, rst->id, true); + + return 0; +} + +static int jh7110_reset_deassert(struct reset_ctl *rst) +{ + struct jh7110_reset_priv *priv = dev_get_priv(rst->dev); + + jh7110_reset_trigger(priv, rst->id, false); + + return 0; +} + +static int jh7110_reset_free(struct reset_ctl *rst) +{ + return 0; +} + +static int jh7110_reset_request(struct reset_ctl *rst) +{ + struct jh7110_reset_priv *priv = dev_get_priv(rst->dev); + + if (rst->id >= priv->resets) + return -EINVAL; + + return 0; +} + +static int jh7110_reset_probe(struct udevice *dev) +{ + struct jh7110_reset_priv *priv = dev_get_priv(dev); + const struct reset_info *cfg; + const char *compat; + + compat = ofnode_get_property(dev_ofnode(dev), "compatible", NULL); + if (!compat) + return -EINVAL; + + cfg = jh7110_reset_get_cfg(compat); + if (!cfg) + return -EINVAL; + + priv->assert = cfg->assert_offset; + priv->status = cfg->status_offset; + priv->resets = cfg->nr_resets; + priv->reg = (void __iomem *)dev_read_addr_index(dev, 0); + + return 0; +} + +const struct reset_ops jh7110_reset_reset_ops = { + .rfree = jh7110_reset_free, + .request = jh7110_reset_request, + .rst_assert = jh7110_reset_assert, + .rst_deassert = jh7110_reset_deassert, +}; + +U_BOOT_DRIVER(jh7110_reset) = { + .name = "jh7110_reset", + .id = UCLASS_RESET, + .ops = &jh7110_reset_reset_ops, + .probe = jh7110_reset_probe, + .priv_auto = sizeof(struct jh7110_reset_priv), +};

Add a DM clock driver for StarFive JH7110 SoC.

Signed-off-by: Yanhong Wang yanhong.wang@starfivetech.com Tested-by: Conor Dooley conor.dooley@microchip.com --- drivers/clk/Kconfig | 1 + drivers/clk/Makefile | 1 + drivers/clk/starfive/Kconfig | 17 + drivers/clk/starfive/Makefile | 4 + drivers/clk/starfive/clk-jh7110-pll.c | 321 ++++++++++++++ drivers/clk/starfive/clk-jh7110.c | 603 ++++++++++++++++++++++++++ drivers/clk/starfive/clk.h | 57 +++ 7 files changed, 1004 insertions(+) create mode 100644 drivers/clk/starfive/Kconfig create mode 100644 drivers/clk/starfive/Makefile create mode 100644 drivers/clk/starfive/clk-jh7110-pll.c create mode 100644 drivers/clk/starfive/clk-jh7110.c create mode 100644 drivers/clk/starfive/clk.h

diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index 09aa97ee8c..4d60c84aad 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -235,6 +235,7 @@ source "drivers/clk/owl/Kconfig" source "drivers/clk/renesas/Kconfig" source "drivers/clk/sunxi/Kconfig" source "drivers/clk/sifive/Kconfig" +source "drivers/clk/starfive/Kconfig" source "drivers/clk/stm32/Kconfig" source "drivers/clk/tegra/Kconfig" source "drivers/clk/ti/Kconfig" diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index c274cda77c..66f5860356 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -13,6 +13,7 @@ obj-$(CONFIG_$(SPL_TPL_)CLK_COMPOSITE_CCF) += clk-composite.o

obj-y += analogbits/ obj-y += imx/ +obj-$(CONFIG_CLK_JH7110) += starfive/ obj-y += tegra/ obj-y += ti/ obj-$(CONFIG_$(SPL_TPL_)CLK_INTEL) += intel/ diff --git a/drivers/clk/starfive/Kconfig b/drivers/clk/starfive/Kconfig new file mode 100644 index 0000000000..9399ef6d51 --- /dev/null +++ b/drivers/clk/starfive/Kconfig @@ -0,0 +1,17 @@ +# SPDX-License-Identifier: GPL-2.0+ + +config SPL_CLK_JH7110 + bool "SPL clock support for JH7110" + depends on STARFIVE_JH7110 && SPL + select SPL_CLK + select SPL_CLK_CCF + help + This enables SPL DM support for clock driver in JH7110. + +config CLK_JH7110 + bool "StarFive JH7110 clock support" + depends on STARFIVE_JH7110 + select CLK + select CLK_CCF + help + This enables support clock driver for StarFive JH7110 SoC platform. diff --git a/drivers/clk/starfive/Makefile b/drivers/clk/starfive/Makefile new file mode 100644 index 0000000000..ec0d157094 --- /dev/null +++ b/drivers/clk/starfive/Makefile @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0+ + +obj-y += clk-jh7110.o +obj-y += clk-jh7110-pll.o diff --git a/drivers/clk/starfive/clk-jh7110-pll.c b/drivers/clk/starfive/clk-jh7110-pll.c new file mode 100644 index 0000000000..02e6d9000e --- /dev/null +++ b/drivers/clk/starfive/clk-jh7110-pll.c @@ -0,0 +1,321 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2022-23 StarFive Technology Co., Ltd. + * + * Author: Yanhong Wang yanhong.wang@starfivetech.com + */ + +#include <common.h> +#include <asm/io.h> +#include <malloc.h> +#include <clk-uclass.h> +#include <div64.h> +#include <dm/device.h> +#include <linux/bitops.h> +#include <linux/clk-provider.h> +#include <linux/delay.h> +#include <linux/err.h> + +#include "clk.h" + +#define UBOOT_DM_CLK_JH7110_PLLX "jh7110_clk_pllx" + +#define PLL_PD_OFF 1 +#define PLL_PD_ON 0 + +#define CLK_DDR_BUS_MASK GENMASK(29, 24) +#define CLK_DDR_BUS_OFFSET 0xAC +#define CLK_DDR_BUS_OSC_DIV2 0 +#define CLK_DDR_BUS_PLL1_DIV2 1 +#define CLK_DDR_BUS_PLL1_DIV4 2 +#define CLK_DDR_BUS_PLL1_DIV8 3 + +struct clk_jh7110_pllx { + struct clk clk; + void __iomem *base; + void __iomem *sysreg; + enum starfive_pll_type type; + const struct starfive_pllx_offset *offset; + const struct starfive_pllx_rate *rate_table; + int rate_count; +}; + +#define getbits_le32(addr, mask) ((in_le32(addr) & (mask)) >> __ffs((mask))) + +#define PLLX_SET(offset, mask, val) do {\ + reg = readl((ulong *)((ulong)pll->base + (offset))); \ + reg &= ~(mask); \ + reg |= (mask) & ((val) << __ffs(mask)); \ + writel(reg, (ulong *)((ulong)pll->base + (offset))); \ + } while (0) + +#define PLLX_RATE(_rate, _pd, _fd) \ + { \ + .rate = (_rate), \ + .prediv = (_pd), \ + .fbdiv = (_fd), \ + } + +#define to_clk_pllx(_clk) container_of(_clk, struct clk_jh7110_pllx, clk) + +static const struct starfive_pllx_rate jh7110_pll0_tbl[] = { + PLLX_RATE(375000000UL, 8, 125), + PLLX_RATE(500000000UL, 6, 125), + PLLX_RATE(625000000UL, 24, 625), + PLLX_RATE(750000000UL, 4, 125), + PLLX_RATE(875000000UL, 24, 875), + PLLX_RATE(1000000000UL, 3, 125), + PLLX_RATE(1250000000UL, 12, 625), + PLLX_RATE(1375000000UL, 24, 1375), + PLLX_RATE(1500000000UL, 2, 125), + PLLX_RATE(1625000000UL, 24, 1625), + PLLX_RATE(1750000000UL, 12, 875), + PLLX_RATE(1800000000UL, 3, 225), +}; + +static const struct starfive_pllx_rate jh7110_pll1_tbl[] = { + PLLX_RATE(1066000000UL, 12, 533), + PLLX_RATE(1200000000UL, 1, 50), + PLLX_RATE(1400000000UL, 6, 350), + PLLX_RATE(1600000000UL, 3, 200), +}; + +static const struct starfive_pllx_rate jh7110_pll2_tbl[] = { + PLLX_RATE(1228800000UL, 15, 768), + PLLX_RATE(1188000000UL, 2, 99), +}; + +static const struct starfive_pllx_offset jh7110_pll0_offset = { + .pd = 0x20, + .prediv = 0x24, + .fbdiv = 0x1c, + .frac = 0x20, + .postdiv1 = 0x20, + .dacpd = 0x18, + .dsmpd = 0x18, + .pd_mask = BIT(27), + .prediv_mask = GENMASK(5, 0), + .fbdiv_mask = GENMASK(11, 0), + .frac_mask = GENMASK(23, 0), + .postdiv1_mask = GENMASK(29, 28), + .dacpd_mask = BIT(24), + .dsmpd_mask = BIT(25) +}; + +static const struct starfive_pllx_offset jh7110_pll1_offset = { + .pd = 0x28, + .prediv = 0x2c, + .fbdiv = 0x24, + .frac = 0x28, + .postdiv1 = 0x28, + .dacpd = 0x24, + .dsmpd = 0x24, + .pd_mask = BIT(27), + .prediv_mask = GENMASK(5, 0), + .fbdiv_mask = GENMASK(28, 17), + .frac_mask = GENMASK(23, 0), + .postdiv1_mask = GENMASK(29, 28), + .dacpd_mask = BIT(15), + .dsmpd_mask = BIT(16) +}; + +static const struct starfive_pllx_offset jh7110_pll2_offset = { + .pd = 0x30, + .prediv = 0x34, + .fbdiv = 0x2c, + .frac = 0x30, + .postdiv1 = 0x30, + .dacpd = 0x2c, + .dsmpd = 0x2c, + .pd_mask = BIT(27), + .prediv_mask = GENMASK(5, 0), + .fbdiv_mask = GENMASK(28, 17), + .frac_mask = GENMASK(23, 0), + .postdiv1_mask = GENMASK(29, 28), + .dacpd_mask = BIT(15), + .dsmpd_mask = BIT(16) +}; + +struct starfive_pllx_clk starfive_jh7110_pll0 __initdata = { + .type = PLL0, + .offset = &jh7110_pll0_offset, + .rate_table = jh7110_pll0_tbl, + .rate_count = ARRAY_SIZE(jh7110_pll0_tbl), +}; + +struct starfive_pllx_clk starfive_jh7110_pll1 __initdata = { + .type = PLL1, + .offset = &jh7110_pll1_offset, + .rate_table = jh7110_pll1_tbl, + .rate_count = ARRAY_SIZE(jh7110_pll1_tbl), +}; + +struct starfive_pllx_clk starfive_jh7110_pll2 __initdata = { + .type = PLL2, + .offset = &jh7110_pll2_offset, + .rate_table = jh7110_pll2_tbl, + .rate_count = ARRAY_SIZE(jh7110_pll2_tbl), +}; + +static const struct starfive_pllx_rate * +jh7110_get_pll_settings(struct clk_jh7110_pllx *pll, unsigned long rate) +{ + for (int i = 0; i < pll->rate_count; i++) + if (rate == pll->rate_table[i].rate) + return &pll->rate_table[i]; + + return NULL; +} + +static void jh7110_pll_set_rate(struct clk_jh7110_pllx *pll, + const struct starfive_pllx_rate *rate) +{ + u32 reg; + bool set = (pll->type == PLL1) ? true : false; + + if (set) { + reg = readl((ulong *)((ulong)pll->sysreg + CLK_DDR_BUS_OFFSET)); + reg &= ~CLK_DDR_BUS_MASK; + reg |= CLK_DDR_BUS_OSC_DIV2 << __ffs(CLK_DDR_BUS_MASK); + writel(reg, (ulong *)((ulong)pll->sysreg + CLK_DDR_BUS_OFFSET)); + } + + PLLX_SET(pll->offset->pd, pll->offset->pd_mask, PLL_PD_OFF); + PLLX_SET(pll->offset->dacpd, pll->offset->dacpd_mask, 1); + PLLX_SET(pll->offset->dsmpd, pll->offset->dsmpd_mask, 1); + PLLX_SET(pll->offset->prediv, pll->offset->prediv_mask, rate->prediv); + PLLX_SET(pll->offset->fbdiv, pll->offset->fbdiv_mask, rate->fbdiv); + PLLX_SET(pll->offset->postdiv1, pll->offset->postdiv1, 0); + PLLX_SET(pll->offset->pd, pll->offset->pd_mask, PLL_PD_ON); + + if (set) { + udelay(100); + reg = readl((ulong *)((ulong)pll->sysreg + CLK_DDR_BUS_OFFSET)); + reg &= ~CLK_DDR_BUS_MASK; + reg |= CLK_DDR_BUS_PLL1_DIV2 << __ffs(CLK_DDR_BUS_MASK); + writel(reg, (ulong *)((ulong)pll->sysreg + CLK_DDR_BUS_OFFSET)); + } +} + +static ulong jh7110_pllx_recalc_rate(struct clk *clk) +{ + struct clk_jh7110_pllx *pll = to_clk_pllx(dev_get_clk_ptr(clk->dev)); + u64 refclk = clk_get_parent_rate(clk); + u32 dacpd, dsmpd; + u32 prediv, fbdiv, postdiv1; + u64 frac; + + dacpd = getbits_le32((ulong)pll->base + pll->offset->dacpd, + pll->offset->dacpd_mask); + dsmpd = getbits_le32((ulong)pll->base + pll->offset->dsmpd, + pll->offset->dsmpd_mask); + prediv = getbits_le32((ulong)pll->base + pll->offset->prediv, + pll->offset->prediv_mask); + fbdiv = getbits_le32((ulong)pll->base + pll->offset->fbdiv, + pll->offset->fbdiv_mask); + postdiv1 = 1 << getbits_le32((ulong)pll->base + pll->offset->postdiv1, + pll->offset->postdiv1_mask); + frac = (u64)getbits_le32((ulong)pll->base + pll->offset->frac, + pll->offset->frac_mask); + + /* Integer Multiple Mode + * Both dacpd and dsmpd should be set as 1 while integer multiple mode. + * + * The frequency of outputs can be figured out as below. + * + * Fvco = Fref*Nl/M + * NI is integer frequency dividing ratio of feedback divider, set by fbdiv1[11:0] , + * NI = 8, 9, 10, 12.13....4095 + * M is frequency dividing ratio of pre-divider, set by prediv[5:0],M = 1,2...63 + * + * Fclko1 = Fvco/Q1 + * Q1 is frequency dividing ratio of post divider, set by postdiv1[1:0],Q1= 1,2,4,8 + * + * Fraction Multiple Mode + * + * Both dacpd and dsmpd should be set as 0 while integer multiple mode. + * + * Fvco = Fref*(NI+NF)/M + * NI is integer frequency dividing ratio of feedback divider, set by fbdiv[11:0] , + * NI = 8, 9, 10, 12.13....4095 + * NF is fractional frequency dividing ratio, set by frac[23:0], NF =frac[23:0]/2^24= 0~0.99999994 + * M is frequency dividing ratio of pre-divider, set by prediv[5:0],M = 1,2...63 + * + * Fclko1 = Fvco/Q1 + * Q1 is frequency dividing ratio of post divider, set by postdivl[1:0],Q1= 1,2,4,8 + */ + if (dacpd == 1 && dsmpd == 1) + frac = 0; + else if (dacpd == 0 && dsmpd == 0) + do_div(frac, 1 << 24); + else + return -EINVAL; + + refclk *= (fbdiv + frac); + do_div(refclk, prediv * postdiv1); + + return refclk; +} + +static ulong jh7110_pllx_set_rate(struct clk *clk, ulong drate) +{ + struct clk_jh7110_pllx *pll = to_clk_pllx(dev_get_clk_ptr(clk->dev)); + const struct starfive_pllx_rate *rate; + + rate = jh7110_get_pll_settings(pll, drate); + if (!rate) + return -EINVAL; + + jh7110_pll_set_rate(pll, rate); + + return jh7110_pllx_recalc_rate(clk); +} + +static const struct clk_ops clk_jh7110_ops = { + .set_rate = jh7110_pllx_set_rate, + .get_rate = jh7110_pllx_recalc_rate, +}; + +struct clk *starfive_jh7110_pll(const char *name, const char *parent_name, + void __iomem *base, void __iomem *sysreg, + const struct starfive_pllx_clk *pll_clk) +{ + struct clk_jh7110_pllx *pll; + struct clk *clk; + int ret; + + if (!pll_clk || !base || !sysreg) + return ERR_PTR(-EINVAL); + + pll = kzalloc(sizeof(*pll), GFP_KERNEL); + if (!pll) + return ERR_PTR(-ENOMEM); + + pll->base = base; + pll->sysreg = sysreg; + pll->type = pll_clk->type; + pll->offset = pll_clk->offset; + pll->rate_table = pll_clk->rate_table; + pll->rate_count = pll_clk->rate_count; + + clk = &pll->clk; + ret = clk_register(clk, UBOOT_DM_CLK_JH7110_PLLX, name, parent_name); + if (ret) { + kfree(pll); + return ERR_PTR(ret); + } + + if (IS_ENABLED(CONFIG_SPL_BUILD) && pll->type == PLL0) + jh7110_pllx_set_rate(clk, 1000000000); + + if (IS_ENABLED(CONFIG_SPL_BUILD) && pll->type == PLL2) + jh7110_pllx_set_rate(clk, 1188000000); + + return clk; +} + +U_BOOT_DRIVER(jh7110_clk_pllx) = { + .name = UBOOT_DM_CLK_JH7110_PLLX, + .id = UCLASS_CLK, + .ops = &clk_jh7110_ops, +}; diff --git a/drivers/clk/starfive/clk-jh7110.c b/drivers/clk/starfive/clk-jh7110.c new file mode 100644 index 0000000000..a74b70906a --- /dev/null +++ b/drivers/clk/starfive/clk-jh7110.c @@ -0,0 +1,603 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2022-23 StarFive Technology Co., Ltd. + * + * Author: Yanhong Wang yanhong.wang@starfivetech.com + */ + +#include <common.h> +#include <clk.h> +#include <clk-uclass.h> +#include <dm.h> +#include <dm/device.h> +#include <dm/devres.h> +#include <dm/lists.h> +#include <dt-bindings/clock/starfive,jh7110-crg.h> +#include <log.h> +#include <linux/clk-provider.h> + +#include "clk.h" + +#define STARFIVE_CLK_ENABLE_SHIFT 31 /* [31] */ +#define STARFIVE_CLK_INVERT_SHIFT 30 /* [30] */ +#define STARFIVE_CLK_MUX_SHIFT 24 /* [29:24] */ +#define STARFIVE_CLK_DIV_SHIFT 0 /* [23:0] */ + +#define OFFSET(id) ((id) * 4) +#define AONOFFSET(id) (((id) - JH7110_SYSCLK_END) * 4) +#define STGOFFSET(id) (((id) - JH7110_AONCLK_END) * 4) + +typedef int (*jh1710_init_fn)(struct udevice *dev); + +struct jh7110_clk_priv { + void __iomem *reg; + jh1710_init_fn init; +}; + +static const char *cpu_root_sels[2] = { + [0] = "oscillator", + [1] = "pll0_out", +}; + +static const char *perh_root_sels[2] = { + [0] = "pll0_out", + [1] = "pll2_out", +}; + +static const char *bus_root_sels[2] = { + [0] = "oscillator", + [1] = "pll2_out", +}; + +static const char *qspi_ref_sels[2] = { + [0] = "oscillator", + [1] = "qspi_ref_src", +}; + +static const char *gmac1_tx_sels[2] = { + [0] = "gmac1_gtxclk", + [1] = "gmac1_rmii_rtx", +}; + +static const char *gmac0_tx_sels[2] = { + [0] = "gmac0_gtxclk", + [1] = "gmac0_rmii_rtx", +}; + +static const char *apb_func_sels[2] = { + [0] = "osc_div4", + [1] = "oscillator", +}; + +static const char *gmac1_rx_sels[2] = { + [0] = "gmac1-rgmii-rxin-clock", + [1] = "gmac1_rmii_rtx", +}; + +static struct clk *starfive_clk_mux(void __iomem *reg, + const char *name, + unsigned int offset, + u8 width, + const char * const *parent_names, + u8 num_parents) +{ + return clk_register_mux(NULL, name, parent_names, num_parents, 0, + reg + offset, STARFIVE_CLK_MUX_SHIFT, + width, 0); +} + +static struct clk *starfive_clk_gate(void __iomem *reg, + const char *name, + const char *parent_name, + unsigned int offset) +{ + return clk_register_gate(NULL, name, parent_name, 0, reg + offset, + STARFIVE_CLK_ENABLE_SHIFT, 0, NULL); +} + +static struct clk *starfive_clk_inv(void __iomem *reg, + const char *name, + const char *parent_name, + unsigned int offset) +{ + return clk_register_gate(NULL, name, parent_name, 0, reg + offset, + STARFIVE_CLK_INVERT_SHIFT, 0, NULL); +} + +static struct clk *starfive_clk_divider(void __iomem *reg, + const char *name, + const char *parent_name, + unsigned int offset, + u8 width) +{ + return clk_register_divider(NULL, name, parent_name, 0, reg + offset, + 0, width, CLK_DIVIDER_ONE_BASED); +} + +static struct clk *starfive_clk_composite(void __iomem *reg, + const char *name, + const char * const *parent_names, + unsigned int num_parents, + unsigned int offset, + unsigned int mux_width, + unsigned int gate_width, + unsigned int div_width) +{ + struct clk *clk = ERR_PTR(-ENOMEM); + struct clk_divider *div = NULL; + struct clk_gate *gate = NULL; + struct clk_mux *mux = NULL; + int mask_arry[4] = {0x1, 0x3, 0x7, 0xF}; + int mask; + + if (mux_width) { + if (mux_width > 4) + goto fail; + else + mask = mask_arry[mux_width - 1]; + + mux = kzalloc(sizeof(*mux), GFP_KERNEL); + if (!mux) + goto fail; + + mux->reg = reg + offset; + mux->mask = mask; + mux->shift = STARFIVE_CLK_MUX_SHIFT; + mux->num_parents = num_parents; + mux->flags = 0; + mux->parent_names = parent_names; + } + + if (gate_width) { + gate = kzalloc(sizeof(*gate), GFP_KERNEL); + + if (!gate) + goto fail; + + gate->reg = reg + offset; + gate->bit_idx = STARFIVE_CLK_ENABLE_SHIFT; + gate->flags = 0; + } + + if (div_width) { + div = kzalloc(sizeof(*div), GFP_KERNEL); + if (!div) + goto fail; + + div->reg = reg + offset; + + if (offset == OFFSET(JH7110_SYSCLK_UART3_CORE) || + offset == OFFSET(JH7110_SYSCLK_UART4_CORE) || + offset == OFFSET(JH7110_SYSCLK_UART5_CORE)) { + div->shift = 8; + div->width = 8; + } else { + div->shift = STARFIVE_CLK_DIV_SHIFT; + div->width = div_width; + } + div->flags = CLK_DIVIDER_ONE_BASED; + div->table = NULL; + } + + clk = clk_register_composite(NULL, name, + parent_names, num_parents, + &mux->clk, &clk_mux_ops, + &div->clk, &clk_divider_ops, + &gate->clk, &clk_gate_ops, 0); + + if (IS_ERR(clk)) + goto fail; + + return clk; + +fail: + kfree(gate); + kfree(div); + kfree(mux); + return ERR_CAST(clk); +} + +static struct clk *starfive_clk_fix_parent_composite(void __iomem *reg, + const char *name, + const char *parent_names, + unsigned int offset, + unsigned int mux_width, + unsigned int gate_width, + unsigned int div_width) +{ + const char * const *parents; + + parents = &parent_names; + + return starfive_clk_composite(reg, name, parents, 1, offset, + mux_width, gate_width, div_width); +} + +static struct clk *starfive_clk_gate_divider(void __iomem *reg, + const char *name, + const char *parent, + unsigned int offset, + unsigned int width) +{ + const char * const *parent_names; + + parent_names = &parent; + + return starfive_clk_composite(reg, name, parent_names, 1, + offset, 0, 1, width); +} + +static int jh7110_syscrg_init(struct udevice *dev) +{ + struct jh7110_clk_priv *priv = dev_get_priv(dev); + struct ofnode_phandle_args args; + fdt_addr_t addr; + struct clk *pclk; + int ret; + + ret = ofnode_parse_phandle_with_args(dev->node_, "starfive,sys-syscon", NULL, 0, 0, &args); + if (ret) + return ret; + + addr = ofnode_get_addr(args.node); + if (addr == FDT_ADDR_T_NONE) + return -EINVAL; + + clk_dm(JH7110_SYSCLK_PLL0_OUT, + starfive_jh7110_pll("pll0_out", "oscillator", (void __iomem *)addr, + priv->reg, &starfive_jh7110_pll0)); + clk_dm(JH7110_SYSCLK_PLL1_OUT, + starfive_jh7110_pll("pll1_out", "oscillator", (void __iomem *)addr, + priv->reg, &starfive_jh7110_pll1)); + clk_dm(JH7110_SYSCLK_PLL2_OUT, + starfive_jh7110_pll("pll2_out", "oscillator", (void __iomem *)addr, + priv->reg, &starfive_jh7110_pll2)); + clk_dm(JH7110_SYSCLK_CPU_ROOT, + starfive_clk_mux(priv->reg, "cpu_root", + OFFSET(JH7110_SYSCLK_CPU_ROOT), 1, + cpu_root_sels, ARRAY_SIZE(cpu_root_sels))); + clk_dm(JH7110_SYSCLK_CPU_CORE, + starfive_clk_divider(priv->reg, + "cpu_core", "cpu_root", + OFFSET(JH7110_SYSCLK_CPU_CORE), 3)); + clk_dm(JH7110_SYSCLK_CPU_BUS, + starfive_clk_divider(priv->reg, + "cpu_bus", "cpu_core", + OFFSET(JH7110_SYSCLK_CPU_BUS), 2)); + clk_dm(JH7110_SYSCLK_PERH_ROOT, + starfive_clk_composite(priv->reg, + "perh_root", + perh_root_sels, ARRAY_SIZE(perh_root_sels), + OFFSET(JH7110_SYSCLK_PERH_ROOT), 1, 0, 2)); + clk_dm(JH7110_SYSCLK_BUS_ROOT, + starfive_clk_mux(priv->reg, "bus_root", + OFFSET(JH7110_SYSCLK_BUS_ROOT), 1, + bus_root_sels, ARRAY_SIZE(bus_root_sels))); + clk_dm(JH7110_SYSCLK_NOCSTG_BUS, + starfive_clk_divider(priv->reg, + "nocstg_bus", "bus_root", + OFFSET(JH7110_SYSCLK_NOCSTG_BUS), 3)); + clk_dm(JH7110_SYSCLK_AXI_CFG0, + starfive_clk_divider(priv->reg, + "axi_cfg0", "bus_root", + OFFSET(JH7110_SYSCLK_AXI_CFG0), 2)); + clk_dm(JH7110_SYSCLK_STG_AXIAHB, + starfive_clk_divider(priv->reg, + "stg_axiahb", "axi_cfg0", + OFFSET(JH7110_SYSCLK_STG_AXIAHB), 2)); + clk_dm(JH7110_SYSCLK_AHB0, + starfive_clk_gate(priv->reg, + "ahb0", "stg_axiahb", + OFFSET(JH7110_SYSCLK_AHB0))); + clk_dm(JH7110_SYSCLK_AHB1, + starfive_clk_gate(priv->reg, + "ahb1", "stg_axiahb", + OFFSET(JH7110_SYSCLK_AHB1))); + clk_dm(JH7110_SYSCLK_APB_BUS, + starfive_clk_divider(priv->reg, + "apb_bus", "stg_axiahb", + OFFSET(JH7110_SYSCLK_APB_BUS), 4)); + clk_dm(JH7110_SYSCLK_APB0, + starfive_clk_gate(priv->reg, + "apb0", "apb_bus", + OFFSET(JH7110_SYSCLK_APB0))); + clk_dm(JH7110_SYSCLK_QSPI_AHB, + starfive_clk_gate(priv->reg, + "qspi_ahb", "ahb1", + OFFSET(JH7110_SYSCLK_QSPI_AHB))); + clk_dm(JH7110_SYSCLK_QSPI_APB, + starfive_clk_gate(priv->reg, + "qspi_apb", "apb_bus", + OFFSET(JH7110_SYSCLK_QSPI_APB))); + clk_dm(JH7110_SYSCLK_QSPI_REF_SRC, + starfive_clk_divider(priv->reg, + "qspi_ref_src", "pll0_out", + OFFSET(JH7110_SYSCLK_QSPI_REF_SRC), 5)); + clk_dm(JH7110_SYSCLK_QSPI_REF, + starfive_clk_composite(priv->reg, + "qspi_ref", + qspi_ref_sels, ARRAY_SIZE(qspi_ref_sels), + OFFSET(JH7110_SYSCLK_QSPI_REF), 1, 1, 0)); + clk_dm(JH7110_SYSCLK_SDIO0_AHB, + starfive_clk_gate(priv->reg, + "sdio0_ahb", "ahb0", + OFFSET(JH7110_SYSCLK_SDIO0_AHB))); + clk_dm(JH7110_SYSCLK_SDIO1_AHB, + starfive_clk_gate(priv->reg, + "sdio1_ahb", "ahb0", + OFFSET(JH7110_SYSCLK_SDIO1_AHB))); + clk_dm(JH7110_SYSCLK_SDIO0_SDCARD, + starfive_clk_fix_parent_composite(priv->reg, + "sdio0_sdcard", "axi_cfg0", + OFFSET(JH7110_SYSCLK_SDIO0_SDCARD), 0, 1, 4)); + clk_dm(JH7110_SYSCLK_SDIO1_SDCARD, + starfive_clk_fix_parent_composite(priv->reg, + "sdio1_sdcard", "axi_cfg0", + OFFSET(JH7110_SYSCLK_SDIO1_SDCARD), 0, 1, 4)); + clk_dm(JH7110_SYSCLK_USB_125M, + starfive_clk_divider(priv->reg, + "usb_125m", "pll0_out", + OFFSET(JH7110_SYSCLK_USB_125M), 4)); + clk_dm(JH7110_SYSCLK_NOC_BUS_STG_AXI, + starfive_clk_gate(priv->reg, + "noc_bus_stg_axi", "nocstg_bus", + OFFSET(JH7110_SYSCLK_NOC_BUS_STG_AXI))); + clk_dm(JH7110_SYSCLK_GMAC1_AHB, + starfive_clk_gate(priv->reg, + "gmac1_ahb", "ahb0", + OFFSET(JH7110_SYSCLK_GMAC1_AHB))); + clk_dm(JH7110_SYSCLK_GMAC1_AXI, + starfive_clk_gate(priv->reg, + "gmac1_axi", "stg_axiahb", + OFFSET(JH7110_SYSCLK_GMAC1_AXI))); + clk_dm(JH7110_SYSCLK_GMAC_SRC, + starfive_clk_divider(priv->reg, + "gmac_src", "pll0_out", + OFFSET(JH7110_SYSCLK_GMAC_SRC), 3)); + clk_dm(JH7110_SYSCLK_GMAC1_GTXCLK, + starfive_clk_divider(priv->reg, + "gmac1_gtxclk", "pll0_out", + OFFSET(JH7110_SYSCLK_GMAC1_GTXCLK), 4)); + clk_dm(JH7110_SYSCLK_GMAC1_GTXC, + starfive_clk_gate(priv->reg, + "gmac1_gtxc", "gmac1_gtxclk", + OFFSET(JH7110_SYSCLK_GMAC1_GTXC))); + clk_dm(JH7110_SYSCLK_GMAC1_RMII_RTX, + starfive_clk_divider(priv->reg, + "gmac1_rmii_rtx", "gmac1-rmii-refin-clock", + OFFSET(JH7110_SYSCLK_GMAC1_RMII_RTX), 5)); + clk_dm(JH7110_SYSCLK_GMAC1_PTP, + starfive_clk_gate_divider(priv->reg, + "gmac1_ptp", "gmac_src", + OFFSET(JH7110_SYSCLK_GMAC1_PTP), 5)); + clk_dm(JH7110_SYSCLK_GMAC1_RX, + starfive_clk_mux(priv->reg, "gmac1_rx", + OFFSET(JH7110_SYSCLK_GMAC1_RX), 1, + gmac1_rx_sels, ARRAY_SIZE(gmac1_rx_sels))); + clk_dm(JH7110_SYSCLK_GMAC1_TX, + starfive_clk_composite(priv->reg, + "gmac1_tx", + gmac1_tx_sels, ARRAY_SIZE(gmac1_tx_sels), + OFFSET(JH7110_SYSCLK_GMAC1_TX), 1, 1, 0)); + clk_dm(JH7110_SYSCLK_GMAC1_TX_INV, + starfive_clk_inv(priv->reg, + "gmac1_tx_inv", "gmac1_tx", + OFFSET(JH7110_SYSCLK_GMAC1_TX_INV))); + clk_dm(JH7110_SYSCLK_GMAC0_GTXCLK, + starfive_clk_gate_divider(priv->reg, + "gmac0_gtxclk", "pll0_out", + OFFSET(JH7110_SYSCLK_GMAC0_GTXCLK), 4)); + clk_dm(JH7110_SYSCLK_GMAC0_PTP, + starfive_clk_gate_divider(priv->reg, + "gmac0_ptp", "gmac_src", + OFFSET(JH7110_SYSCLK_GMAC0_PTP), 5)); + clk_dm(JH7110_SYSCLK_GMAC0_GTXC, + starfive_clk_gate(priv->reg, + "gmac0_gtxc", "gmac0_gtxclk", + OFFSET(JH7110_SYSCLK_GMAC0_GTXC))); + clk_dm(JH7110_SYSCLK_UART0_APB, + starfive_clk_gate(priv->reg, + "uart0_apb", "apb0", + OFFSET(JH7110_SYSCLK_UART0_APB))); + clk_dm(JH7110_SYSCLK_UART0_CORE, + starfive_clk_gate(priv->reg, + "uart0_core", "oscillator", + OFFSET(JH7110_SYSCLK_UART0_CORE))); + clk_dm(JH7110_SYSCLK_UART1_APB, + starfive_clk_gate(priv->reg, + "uart1_apb", "apb0", + OFFSET(JH7110_SYSCLK_UART1_APB))); + clk_dm(JH7110_SYSCLK_UART1_CORE, + starfive_clk_gate(priv->reg, + "uart1_core", "oscillator", + OFFSET(JH7110_SYSCLK_UART1_CORE))); + clk_dm(JH7110_SYSCLK_UART2_APB, + starfive_clk_gate(priv->reg, + "uart2_apb", "apb0", + OFFSET(JH7110_SYSCLK_UART2_APB))); + clk_dm(JH7110_SYSCLK_UART2_CORE, + starfive_clk_gate(priv->reg, + "uart2_core", "oscillator", + OFFSET(JH7110_SYSCLK_UART2_CORE))); + clk_dm(JH7110_SYSCLK_UART3_APB, + starfive_clk_gate(priv->reg, + "uart3_apb", "apb0", + OFFSET(JH7110_SYSCLK_UART3_APB))); + clk_dm(JH7110_SYSCLK_UART3_CORE, + starfive_clk_gate_divider(priv->reg, + "uart3_core", "perh_root", + OFFSET(JH7110_SYSCLK_UART3_CORE), 8)); + clk_dm(JH7110_SYSCLK_UART4_APB, + starfive_clk_gate(priv->reg, + "uart4_apb", "apb0", + OFFSET(JH7110_SYSCLK_UART4_APB))); + clk_dm(JH7110_SYSCLK_UART4_CORE, + starfive_clk_gate_divider(priv->reg, + "uart4_core", "perh_root", + OFFSET(JH7110_SYSCLK_UART4_CORE), 8)); + clk_dm(JH7110_SYSCLK_UART5_APB, + starfive_clk_gate(priv->reg, + "uart5_apb", "apb0", + OFFSET(JH7110_SYSCLK_UART5_APB))); + clk_dm(JH7110_SYSCLK_UART5_CORE, + starfive_clk_gate_divider(priv->reg, + "uart5_core", "perh_root", + OFFSET(JH7110_SYSCLK_UART5_CORE), 8)); + clk_dm(JH7110_SYSCLK_I2C2_APB, + starfive_clk_gate(priv->reg, + "i2c2_apb", "apb0", + OFFSET(JH7110_SYSCLK_I2C2_APB))); + clk_dm(JH7110_SYSCLK_I2C5_APB, + starfive_clk_gate(priv->reg, + "i2c5_apb", "apb0", + OFFSET(JH7110_SYSCLK_I2C5_APB))); + + /* enable noc_bus_stg_axi clock */ + if (!clk_get_by_id(JH7110_SYSCLK_NOC_BUS_STG_AXI, &pclk)) + clk_enable(pclk); + + return 0; +} + +static int jh7110_aoncrg_init(struct udevice *dev) +{ + struct jh7110_clk_priv *priv = dev_get_priv(dev); + + clk_dm(JH7110_AONCLK_OSC_DIV4, + starfive_clk_divider(priv->reg, + "osc_div4", "oscillator", + AONOFFSET(JH7110_AONCLK_OSC_DIV4), 5)); + clk_dm(JH7110_AONCLK_APB_FUNC, + starfive_clk_mux(priv->reg, "apb_func", + AONOFFSET(JH7110_AONCLK_APB_FUNC), 1, + apb_func_sels, ARRAY_SIZE(apb_func_sels))); + clk_dm(JH7110_AONCLK_GMAC0_AHB, + starfive_clk_gate(priv->reg, + "gmac0_ahb", "stg_axiahb", + AONOFFSET(JH7110_AONCLK_GMAC0_AHB))); + clk_dm(JH7110_AONCLK_GMAC0_AXI, + starfive_clk_gate(priv->reg, + "gmac0_axi", "stg_axiahb", + AONOFFSET(JH7110_AONCLK_GMAC0_AXI))); + clk_dm(JH7110_AONCLK_GMAC0_RMII_RTX, + starfive_clk_divider(priv->reg, + "gmac0_rmii_rtx", "gmac0-rmii-refin-clock", + AONOFFSET(JH7110_AONCLK_GMAC0_RMII_RTX), 5)); + clk_dm(JH7110_AONCLK_GMAC0_TX, + starfive_clk_composite(priv->reg, + "gmac0_tx", gmac0_tx_sels, + ARRAY_SIZE(gmac0_tx_sels), + AONOFFSET(JH7110_AONCLK_GMAC0_TX), 1, 1, 0)); + clk_dm(JH7110_AONCLK_GMAC0_TX_INV, + starfive_clk_inv(priv->reg, + "gmac0_tx_inv", "gmac0_tx", + AONOFFSET(JH7110_AONCLK_GMAC0_TX_INV))); + clk_dm(JH7110_AONCLK_OTPC_APB, + starfive_clk_gate(priv->reg, + "otpc_apb", "apb_bus", + AONOFFSET(JH7110_AONCLK_OTPC_APB))); + + return 0; +} + +static int jh7110_stgcrg_init(struct udevice *dev) +{ + struct jh7110_clk_priv *priv = dev_get_priv(dev); + + clk_dm(JH7110_STGCLK_USB_APB, + starfive_clk_gate(priv->reg, + "usb_apb", "apb_bus", + STGOFFSET(JH7110_STGCLK_USB_APB))); + clk_dm(JH7110_STGCLK_USB_UTMI_APB, + starfive_clk_gate(priv->reg, + "usb_utmi_apb", "apb_bus", + STGOFFSET(JH7110_STGCLK_USB_UTMI_APB))); + clk_dm(JH7110_STGCLK_USB_AXI, + starfive_clk_gate(priv->reg, + "usb_axi", "stg_axiahb", + STGOFFSET(JH7110_STGCLK_USB_AXI))); + clk_dm(JH7110_STGCLK_USB_LPM, + starfive_clk_gate_divider(priv->reg, + "usb_lpm", "oscillator", + STGOFFSET(JH7110_STGCLK_USB_LPM), 2)); + clk_dm(JH7110_STGCLK_USB_STB, + starfive_clk_gate_divider(priv->reg, + "usb_stb", "oscillator", + STGOFFSET(JH7110_STGCLK_USB_STB), 3)); + clk_dm(JH7110_STGCLK_USB_APP_125, + starfive_clk_gate(priv->reg, + "usb_app_125", "usb_125m", + STGOFFSET(JH7110_STGCLK_USB_APP_125))); + clk_dm(JH7110_STGCLK_USB_REFCLK, + starfive_clk_divider(priv->reg, "usb_refclk", "oscillator", + STGOFFSET(JH7110_STGCLK_USB_REFCLK), 2)); + clk_dm(JH7110_STGCLK_PCIE0_AXI, + starfive_clk_gate(priv->reg, + "pcie0_axi", "stg_axiahb", + STGOFFSET(JH7110_STGCLK_PCIE0_AXI))); + clk_dm(JH7110_STGCLK_PCIE0_APB, + starfive_clk_gate(priv->reg, + "pcie0_apb", "apb_bus", + STGOFFSET(JH7110_STGCLK_PCIE0_APB))); + clk_dm(JH7110_STGCLK_PCIE0_TL, + starfive_clk_gate(priv->reg, + "pcie0_tl", "stg_axiahb", + STGOFFSET(JH7110_STGCLK_PCIE0_TL))); + clk_dm(JH7110_STGCLK_PCIE1_AXI, + starfive_clk_gate(priv->reg, + "pcie1_axi", "stg_axiahb", + STGOFFSET(JH7110_STGCLK_PCIE1_AXI))); + clk_dm(JH7110_STGCLK_PCIE1_APB, + starfive_clk_gate(priv->reg, + "pcie1_apb", "apb_bus", + STGOFFSET(JH7110_STGCLK_PCIE1_APB))); + clk_dm(JH7110_STGCLK_PCIE1_TL, + starfive_clk_gate(priv->reg, + "pcie1_tl", "stg_axiahb", + STGOFFSET(JH7110_STGCLK_PCIE1_TL))); + + return 0; +} + +static int jh7110_clk_probe(struct udevice *dev) +{ + struct jh7110_clk_priv *priv = dev_get_priv(dev); + + priv->init = (jh1710_init_fn)dev_get_driver_data(dev); + priv->reg = (void __iomem *)dev_read_addr_ptr(dev); + + if (priv->init) + return priv->init(dev); + + return 0; +} + +static int jh7110_clk_bind(struct udevice *dev) +{ + /* The reset driver does not have a device node, so bind it here */ + return device_bind_driver_to_node(dev, "jh7110_reset", dev->name, + dev_ofnode(dev), NULL); +} + +static const struct udevice_id jh7110_clk_of_match[] = { + { .compatible = "starfive,jh7110-syscrg", + .data = (ulong)&jh7110_syscrg_init + }, + { .compatible = "starfive,jh7110-stgcrg", + .data = (ulong)&jh7110_stgcrg_init + }, + { .compatible = "starfive,jh7110-aoncrg", + .data = (ulong)&jh7110_aoncrg_init + }, + { } +}; + +U_BOOT_DRIVER(jh7110_clk) = { + .name = "jh7110_clk", + .id = UCLASS_CLK, + .of_match = jh7110_clk_of_match, + .probe = jh7110_clk_probe, + .ops = &ccf_clk_ops, + .priv_auto = sizeof(struct jh7110_clk_priv), + .bind = jh7110_clk_bind, +}; diff --git a/drivers/clk/starfive/clk.h b/drivers/clk/starfive/clk.h new file mode 100644 index 0000000000..4dee12fe89 --- /dev/null +++ b/drivers/clk/starfive/clk.h @@ -0,0 +1,57 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2022 Starfive, Inc. + * Author: Yanhong Wang yanhong.wang@starfivetech.com + * + */ + +#ifndef __CLK_STARFIVE_H +#define __CLK_STARFIVE_H + +enum starfive_pll_type { + PLL0 = 0, + PLL1, + PLL2, + PLL_MAX = PLL2 +}; + +struct starfive_pllx_rate { + u64 rate; + u32 prediv; + u32 fbdiv; + u32 frac; +}; + +struct starfive_pllx_offset { + u32 pd; + u32 prediv; + u32 fbdiv; + u32 frac; + u32 postdiv1; + u32 dacpd; + u32 dsmpd; + u32 pd_mask; + u32 prediv_mask; + u32 fbdiv_mask; + u32 frac_mask; + u32 postdiv1_mask; + u32 dacpd_mask; + u32 dsmpd_mask; +}; + +struct starfive_pllx_clk { + enum starfive_pll_type type; + const struct starfive_pllx_offset *offset; + const struct starfive_pllx_rate *rate_table; + int rate_count; + int flags; +}; + +extern struct starfive_pllx_clk starfive_jh7110_pll0; +extern struct starfive_pllx_clk starfive_jh7110_pll1; +extern struct starfive_pllx_clk starfive_jh7110_pll2; + +struct clk *starfive_jh7110_pll(const char *name, const char *parent_name, + void __iomem *base, void __iomem *sysreg, + const struct starfive_pllx_clk *pll_clk); +#endif

From: Kuan Lim Lee kuanlim.lee@linux.starfivetech.com

Add pinctrl driver for StarFive JH7110 SoC.

Signed-off-by: Kuan Lim Lee kuanlim.lee@linux.starfivetech.com Signed-off-by: Emil Renner Berthing kernel@esmil.dk Signed-off-by: Jianlong Huang jianlong.huang@starfivetech.com Signed-off-by: Yanhong Wang yanhong.wang@starfivetech.com Tested-by: Conor Dooley conor.dooley@microchip.com --- drivers/pinctrl/Kconfig | 1 + drivers/pinctrl/Makefile | 1 + drivers/pinctrl/starfive/Kconfig | 28 ++ drivers/pinctrl/starfive/Makefile | 6 + drivers/pinctrl/starfive/pinctrl-jh7110-aon.c | 113 +++++ drivers/pinctrl/starfive/pinctrl-jh7110-sys.c | 399 ++++++++++++++++++ drivers/pinctrl/starfive/pinctrl-starfive.c | 398 +++++++++++++++++ drivers/pinctrl/starfive/pinctrl-starfive.h | 55 +++ 8 files changed, 1001 insertions(+) create mode 100644 drivers/pinctrl/starfive/Kconfig create mode 100644 drivers/pinctrl/starfive/Makefile create mode 100644 drivers/pinctrl/starfive/pinctrl-jh7110-aon.c create mode 100644 drivers/pinctrl/starfive/pinctrl-jh7110-sys.c create mode 100644 drivers/pinctrl/starfive/pinctrl-starfive.c create mode 100644 drivers/pinctrl/starfive/pinctrl-starfive.h

diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index b6ef2acced..75b3ff47a2 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -359,5 +359,6 @@ source "drivers/pinctrl/renesas/Kconfig" source "drivers/pinctrl/rockchip/Kconfig" source "drivers/pinctrl/sunxi/Kconfig" source "drivers/pinctrl/uniphier/Kconfig" +source "drivers/pinctrl/starfive/Kconfig"

endmenu diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile index 3b167d099f..852adee4b4 100644 --- a/drivers/pinctrl/Makefile +++ b/drivers/pinctrl/Makefile @@ -32,3 +32,4 @@ obj-$(CONFIG_PINCTRL_STM32) += pinctrl_stm32.o obj-$(CONFIG_$(SPL_)PINCTRL_STMFX) += pinctrl-stmfx.o obj-y += broadcom/ obj-$(CONFIG_PINCTRL_ZYNQMP) += pinctrl-zynqmp.o +obj-$(CONFIG_PINCTRL_STARFIVE) += starfive/ diff --git a/drivers/pinctrl/starfive/Kconfig b/drivers/pinctrl/starfive/Kconfig new file mode 100644 index 0000000000..1b859c863e --- /dev/null +++ b/drivers/pinctrl/starfive/Kconfig @@ -0,0 +1,28 @@ +# SPDX-License-Identifier: GPL-2.0-only + +config SPL_PINCTRL_STARFIVE + bool "Support Pinctrl driver for StarFive SoC in SPL" + depends on SPL_PINCTRL_FULL && STARFIVE_JH7110 + help + Enable support pin control driver for StarFive SoC. + +config SPL_PINCTRL_STARFIVE_JH7110 + bool "Support Pinctrl and GPIO driver for StarFive JH7110 SoC in SPL" + depends on SPL_PINCTRL_STARFIVE + help + Enable support pinctrl and gpio driver for StarFive JH7110 in SPL. + +config PINCTRL_STARFIVE + bool "Pinctrl driver for StarFive SoC" + depends on PINCTRL_FULL && STARFIVE_JH7110 + help + Say yes here to support pin control on the StarFive RISC-V SoC. + This also provides an interface to the GPIO pins not used by other + peripherals supporting inputs, outputs, configuring pull-up/pull-down + and interrupts on input changes. + +config PINCTRL_STARFIVE_JH7110 + bool "Pinctrl and GPIO driver for StarFive JH7110 SoC" + depends on PINCTRL_STARFIVE + help + This selects the pinctrl driver for JH7110 starfive. diff --git a/drivers/pinctrl/starfive/Makefile b/drivers/pinctrl/starfive/Makefile new file mode 100644 index 0000000000..a4a12069b3 --- /dev/null +++ b/drivers/pinctrl/starfive/Makefile @@ -0,0 +1,6 @@ + +# SPDX-License-Identifier: GPL-2.0 +# Core +obj-$(CONFIG_$(SPL_TPL_)PINCTRL_STARFIVE) += pinctrl-starfive.o +# SoC Drivers +obj-$(CONFIG_$(SPL_TPL_)PINCTRL_STARFIVE_JH7110) += pinctrl-jh7110-sys.o pinctrl-jh7110-aon.o diff --git a/drivers/pinctrl/starfive/pinctrl-jh7110-aon.c b/drivers/pinctrl/starfive/pinctrl-jh7110-aon.c new file mode 100644 index 0000000000..2d739906e2 --- /dev/null +++ b/drivers/pinctrl/starfive/pinctrl-jh7110-aon.c @@ -0,0 +1,113 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Pinctrl / GPIO driver for StarFive JH7110 SoC + * + * Copyright (C) 2022 StarFive Technology Co., Ltd. + * Author: Lee Kuan Lim kuanlim.lee@starfivetech.com + * Author: Jianlong Huang jianlong.huang@starfivetech.com + */ + +#include <dm/read.h> +#include <dm/device_compat.h> +#include <linux/io.h> + +#include <dt-bindings/pinctrl/pinctrl-starfive-jh7110.h> +#include "pinctrl-starfive.h" + +#define JH7110_AON_NGPIO 4 +#define JH7110_AON_GC_BASE 64 + +/* registers */ +#define JH7110_AON_DOEN 0x0 +#define JH7110_AON_DOUT 0x4 +#define JH7110_AON_GPI 0x8 +#define JH7110_AON_GPIOIN 0x2c + +#define JH7110_AON_GPIOEN 0xc +#define JH7110_AON_GPIOIS 0x10 +#define JH7110_AON_GPIOIC 0x14 +#define JH7110_AON_GPIOIBE 0x18 +#define JH7110_AON_GPIOIEV 0x1c +#define JH7110_AON_GPIOIE 0x20 +#define JH7110_AON_GPIORIS 0x28 +#define JH7110_AON_GPIOMIS 0x28 + +#define AON_GPO_PDA_0_5_CFG 0x30 + +static int jh7110_aon_set_one_pin_mux(struct udevice *dev, unsigned int pin, + unsigned int din, u32 dout, + u32 doen, u32 func) +{ + struct starfive_pinctrl_priv *priv = dev_get_priv(dev); + + if (pin < priv->info->ngpios && func == 0) + starfive_set_gpiomux(dev, pin, din, dout, doen); + + return 0; +} + +static int jh7110_aon_get_padcfg_base(struct udevice *dev, + unsigned int pin) +{ + if (pin < PAD_GMAC0_MDC) + return AON_GPO_PDA_0_5_CFG; + + return -1; +} + +static void jh7110_aon_init_hw(struct udevice *dev) +{ + struct starfive_pinctrl_priv *priv = dev_get_priv(dev); + + /* mask all GPIO interrupts */ + writel(0, priv->base + JH7110_AON_GPIOIE); + /* clear edge interrupt flags */ + writel(0, priv->base + JH7110_AON_GPIOIC); + writel(0x0f, priv->base + JH7110_AON_GPIOIC); + /* enable GPIO interrupts */ + writel(1, priv->base + JH7110_AON_GPIOEN); +} + +const struct starfive_pinctrl_soc_info jh7110_aon_pinctrl_info = { + /* pin conf */ + .set_one_pinmux = jh7110_aon_set_one_pin_mux, + .get_padcfg_base = jh7110_aon_get_padcfg_base, + + /* gpio dout/doen/din/gpioinput register */ + .dout_reg_base = JH7110_AON_DOUT, + .dout_mask = GENMASK(3, 0), + .doen_reg_base = JH7110_AON_DOEN, + .doen_mask = GENMASK(2, 0), + .gpi_reg_base = JH7110_AON_GPI, + .gpi_mask = GENMASK(3, 0), + .gpioin_reg_base = JH7110_AON_GPIOIN, + + /* gpio */ + .gpio_bank_name = "RGPIO", + .ngpios = JH7110_AON_NGPIO, + .gpio_init_hw = jh7110_aon_init_hw, +}; + +static int jh7110_aon_pinctrl_probe(struct udevice *dev) +{ + struct starfive_pinctrl_soc_info *info = + (struct starfive_pinctrl_soc_info *)dev_get_driver_data(dev); + + return starfive_pinctrl_probe(dev, info); +} + +static const struct udevice_id jh7110_aon_pinctrl_ids[] = { + /* JH7110 aon pinctrl */ + { .compatible = "starfive,jh7110-aon-pinctrl", + .data = (ulong)&jh7110_aon_pinctrl_info, }, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(jh7110_aon_pinctrl) = { + .name = "jh7110-aon-pinctrl", + .id = UCLASS_PINCTRL, + .of_match = jh7110_aon_pinctrl_ids, + .priv_auto = sizeof(struct starfive_pinctrl_priv), + .ops = &starfive_pinctrl_ops, + .probe = jh7110_aon_pinctrl_probe, +}; diff --git a/drivers/pinctrl/starfive/pinctrl-jh7110-sys.c b/drivers/pinctrl/starfive/pinctrl-jh7110-sys.c new file mode 100644 index 0000000000..dafba65eae --- /dev/null +++ b/drivers/pinctrl/starfive/pinctrl-jh7110-sys.c @@ -0,0 +1,399 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Pinctrl / GPIO driver for StarFive JH7110 SoC + * + * Copyright (C) 2022 StarFive Technology Co., Ltd. + * Author: Lee Kuan Lim kuanlim.lee@starfivetech.com + * Author: Jianlong Huang jianlong.huang@starfivetech.com + */ + +#include <dm/read.h> +#include <dm/device_compat.h> +#include <linux/io.h> + +#include <dt-bindings/pinctrl/pinctrl-starfive-jh7110.h> +#include "pinctrl-starfive.h" + +#define JH7110_SYS_NGPIO 64 +#define JH7110_SYS_GC_BASE 0 + +/* registers */ +#define JH7110_SYS_DOEN 0x000 +#define JH7110_SYS_DOUT 0x040 +#define JH7110_SYS_GPI 0x080 +#define JH7110_SYS_GPIOIN 0x118 + +#define JH7110_SYS_GPIOEN 0x0dc +#define JH7110_SYS_GPIOIS0 0x0e0 +#define JH7110_SYS_GPIOIS1 0x0e4 +#define JH7110_SYS_GPIOIC0 0x0e8 +#define JH7110_SYS_GPIOIC1 0x0ec +#define JH7110_SYS_GPIOIBE0 0x0f0 +#define JH7110_SYS_GPIOIBE1 0x0f4 +#define JH7110_SYS_GPIOIEV0 0x0f8 +#define JH7110_SYS_GPIOIEV1 0x0fc +#define JH7110_SYS_GPIOIE0 0x100 +#define JH7110_SYS_GPIOIE1 0x104 +#define JH7110_SYS_GPIORIS0 0x108 +#define JH7110_SYS_GPIORIS1 0x10c +#define JH7110_SYS_GPIOMIS0 0x110 +#define JH7110_SYS_GPIOMIS1 0x114 + +#define SYS_GPO_PDA_0_74_CFG 0x120 +#define SYS_GPO_PDA_89_94_CFG 0x284 + +static const struct starfive_pinctrl_pin jh7110_sys_pins[] = { + STARFIVE_PINCTRL(PAD_GPIO0, "GPIO0"), + STARFIVE_PINCTRL(PAD_GPIO1, "GPIO1"), + STARFIVE_PINCTRL(PAD_GPIO2, "GPIO2"), + STARFIVE_PINCTRL(PAD_GPIO3, "GPIO3"), + STARFIVE_PINCTRL(PAD_GPIO4, "GPIO4"), + STARFIVE_PINCTRL(PAD_GPIO5, "GPIO5"), + STARFIVE_PINCTRL(PAD_GPIO6, "GPIO6"), + STARFIVE_PINCTRL(PAD_GPIO7, "GPIO7"), + STARFIVE_PINCTRL(PAD_GPIO8, "GPIO8"), + STARFIVE_PINCTRL(PAD_GPIO9, "GPIO9"), + STARFIVE_PINCTRL(PAD_GPIO10, "GPIO10"), + STARFIVE_PINCTRL(PAD_GPIO11, "GPIO11"), + STARFIVE_PINCTRL(PAD_GPIO12, "GPIO12"), + STARFIVE_PINCTRL(PAD_GPIO13, "GPIO13"), + STARFIVE_PINCTRL(PAD_GPIO14, "GPIO14"), + STARFIVE_PINCTRL(PAD_GPIO15, "GPIO15"), + STARFIVE_PINCTRL(PAD_GPIO16, "GPIO16"), + STARFIVE_PINCTRL(PAD_GPIO17, "GPIO17"), + STARFIVE_PINCTRL(PAD_GPIO18, "GPIO18"), + STARFIVE_PINCTRL(PAD_GPIO19, "GPIO19"), + STARFIVE_PINCTRL(PAD_GPIO20, "GPIO20"), + STARFIVE_PINCTRL(PAD_GPIO21, "GPIO21"), + STARFIVE_PINCTRL(PAD_GPIO22, "GPIO22"), + STARFIVE_PINCTRL(PAD_GPIO23, "GPIO23"), + STARFIVE_PINCTRL(PAD_GPIO24, "GPIO24"), + STARFIVE_PINCTRL(PAD_GPIO25, "GPIO25"), + STARFIVE_PINCTRL(PAD_GPIO26, "GPIO26"), + STARFIVE_PINCTRL(PAD_GPIO27, "GPIO27"), + STARFIVE_PINCTRL(PAD_GPIO28, "GPIO28"), + STARFIVE_PINCTRL(PAD_GPIO29, "GPIO29"), + STARFIVE_PINCTRL(PAD_GPIO30, "GPIO30"), + STARFIVE_PINCTRL(PAD_GPIO31, "GPIO31"), + STARFIVE_PINCTRL(PAD_GPIO32, "GPIO32"), + STARFIVE_PINCTRL(PAD_GPIO33, "GPIO33"), + STARFIVE_PINCTRL(PAD_GPIO34, "GPIO34"), + STARFIVE_PINCTRL(PAD_GPIO35, "GPIO35"), + STARFIVE_PINCTRL(PAD_GPIO36, "GPIO36"), + STARFIVE_PINCTRL(PAD_GPIO37, "GPIO37"), + STARFIVE_PINCTRL(PAD_GPIO38, "GPIO38"), + STARFIVE_PINCTRL(PAD_GPIO39, "GPIO39"), + STARFIVE_PINCTRL(PAD_GPIO40, "GPIO40"), + STARFIVE_PINCTRL(PAD_GPIO41, "GPIO41"), + STARFIVE_PINCTRL(PAD_GPIO42, "GPIO42"), + STARFIVE_PINCTRL(PAD_GPIO43, "GPIO43"), + STARFIVE_PINCTRL(PAD_GPIO44, "GPIO44"), + STARFIVE_PINCTRL(PAD_GPIO45, "GPIO45"), + STARFIVE_PINCTRL(PAD_GPIO46, "GPIO46"), + STARFIVE_PINCTRL(PAD_GPIO47, "GPIO47"), + STARFIVE_PINCTRL(PAD_GPIO48, "GPIO48"), + STARFIVE_PINCTRL(PAD_GPIO49, "GPIO49"), + STARFIVE_PINCTRL(PAD_GPIO50, "GPIO50"), + STARFIVE_PINCTRL(PAD_GPIO51, "GPIO51"), + STARFIVE_PINCTRL(PAD_GPIO52, "GPIO52"), + STARFIVE_PINCTRL(PAD_GPIO53, "GPIO53"), + STARFIVE_PINCTRL(PAD_GPIO54, "GPIO54"), + STARFIVE_PINCTRL(PAD_GPIO55, "GPIO55"), + STARFIVE_PINCTRL(PAD_GPIO56, "GPIO56"), + STARFIVE_PINCTRL(PAD_GPIO57, "GPIO57"), + STARFIVE_PINCTRL(PAD_GPIO58, "GPIO58"), + STARFIVE_PINCTRL(PAD_GPIO59, "GPIO59"), + STARFIVE_PINCTRL(PAD_GPIO60, "GPIO60"), + STARFIVE_PINCTRL(PAD_GPIO61, "GPIO61"), + STARFIVE_PINCTRL(PAD_GPIO62, "GPIO62"), + STARFIVE_PINCTRL(PAD_GPIO63, "GPIO63"), + STARFIVE_PINCTRL(PAD_SD0_CLK, "SD0_CLK"), + STARFIVE_PINCTRL(PAD_SD0_CMD, "SD0_CMD"), + STARFIVE_PINCTRL(PAD_SD0_DATA0, "SD0_DATA0"), + STARFIVE_PINCTRL(PAD_SD0_DATA1, "SD0_DATA1"), + STARFIVE_PINCTRL(PAD_SD0_DATA2, "SD0_DATA2"), + STARFIVE_PINCTRL(PAD_SD0_DATA3, "SD0_DATA3"), + STARFIVE_PINCTRL(PAD_SD0_DATA4, "SD0_DATA4"), + STARFIVE_PINCTRL(PAD_SD0_DATA5, "SD0_DATA5"), + STARFIVE_PINCTRL(PAD_SD0_DATA6, "SD0_DATA6"), + STARFIVE_PINCTRL(PAD_SD0_DATA7, "SD0_DATA7"), + STARFIVE_PINCTRL(PAD_SD0_STRB, "SD0_STRB"), + STARFIVE_PINCTRL(PAD_GMAC1_MDC, "GMAC1_MDC"), + STARFIVE_PINCTRL(PAD_GMAC1_MDIO, "GMAC1_MDIO"), + STARFIVE_PINCTRL(PAD_GMAC1_RXD0, "GMAC1_RXD0"), + STARFIVE_PINCTRL(PAD_GMAC1_RXD1, "GMAC1_RXD1"), + STARFIVE_PINCTRL(PAD_GMAC1_RXD2, "GMAC1_RXD2"), + STARFIVE_PINCTRL(PAD_GMAC1_RXD3, "GMAC1_RXD3"), + STARFIVE_PINCTRL(PAD_GMAC1_RXDV, "GMAC1_RXDV"), + STARFIVE_PINCTRL(PAD_GMAC1_RXC, "GMAC1_RXC"), + STARFIVE_PINCTRL(PAD_GMAC1_TXD0, "GMAC1_TXD0"), + STARFIVE_PINCTRL(PAD_GMAC1_TXD1, "GMAC1_TXD1"), + STARFIVE_PINCTRL(PAD_GMAC1_TXD2, "GMAC1_TXD2"), + STARFIVE_PINCTRL(PAD_GMAC1_TXD3, "GMAC1_TXD3"), + STARFIVE_PINCTRL(PAD_GMAC1_TXEN, "GMAC1_TXEN"), + STARFIVE_PINCTRL(PAD_GMAC1_TXC, "GMAC1_TXC"), + STARFIVE_PINCTRL(PAD_QSPI_SCLK, "QSPI_SCLK"), + STARFIVE_PINCTRL(PAD_QSPI_CS0, "QSPI_CS0"), + STARFIVE_PINCTRL(PAD_QSPI_DATA0, "QSPI_DATA0"), + STARFIVE_PINCTRL(PAD_QSPI_DATA1, "QSPI_DATA1"), + STARFIVE_PINCTRL(PAD_QSPI_DATA2, "QSPI_DATA2"), + STARFIVE_PINCTRL(PAD_QSPI_DATA3, "QSPI_DATA3"), +}; + +struct jh7110_func_sel { + u16 offset; + u8 shift; + u8 max; +}; + +static const struct jh7110_func_sel + jh7110_sys_func_sel[ARRAY_SIZE(jh7110_sys_pins)] = { + [PAD_GMAC1_RXC] = { 0x29c, 0, 1 }, + [PAD_GPIO10] = { 0x29c, 2, 3 }, + [PAD_GPIO11] = { 0x29c, 5, 3 }, + [PAD_GPIO12] = { 0x29c, 8, 3 }, + [PAD_GPIO13] = { 0x29c, 11, 3 }, + [PAD_GPIO14] = { 0x29c, 14, 3 }, + [PAD_GPIO15] = { 0x29c, 17, 3 }, + [PAD_GPIO16] = { 0x29c, 20, 3 }, + [PAD_GPIO17] = { 0x29c, 23, 3 }, + [PAD_GPIO18] = { 0x29c, 26, 3 }, + [PAD_GPIO19] = { 0x29c, 29, 3 }, + + [PAD_GPIO20] = { 0x2a0, 0, 3 }, + [PAD_GPIO21] = { 0x2a0, 3, 3 }, + [PAD_GPIO22] = { 0x2a0, 6, 3 }, + [PAD_GPIO23] = { 0x2a0, 9, 3 }, + [PAD_GPIO24] = { 0x2a0, 12, 3 }, + [PAD_GPIO25] = { 0x2a0, 15, 3 }, + [PAD_GPIO26] = { 0x2a0, 18, 3 }, + [PAD_GPIO27] = { 0x2a0, 21, 3 }, + [PAD_GPIO28] = { 0x2a0, 24, 3 }, + [PAD_GPIO29] = { 0x2a0, 27, 3 }, + + [PAD_GPIO30] = { 0x2a4, 0, 3 }, + [PAD_GPIO31] = { 0x2a4, 3, 3 }, + [PAD_GPIO32] = { 0x2a4, 6, 3 }, + [PAD_GPIO33] = { 0x2a4, 9, 3 }, + [PAD_GPIO34] = { 0x2a4, 12, 3 }, + [PAD_GPIO35] = { 0x2a4, 15, 3 }, + [PAD_GPIO36] = { 0x2a4, 17, 3 }, + [PAD_GPIO37] = { 0x2a4, 20, 3 }, + [PAD_GPIO38] = { 0x2a4, 23, 3 }, + [PAD_GPIO39] = { 0x2a4, 26, 3 }, + [PAD_GPIO40] = { 0x2a4, 29, 3 }, + + [PAD_GPIO41] = { 0x2a8, 0, 3 }, + [PAD_GPIO42] = { 0x2a8, 3, 3 }, + [PAD_GPIO43] = { 0x2a8, 6, 3 }, + [PAD_GPIO44] = { 0x2a8, 9, 3 }, + [PAD_GPIO45] = { 0x2a8, 12, 3 }, + [PAD_GPIO46] = { 0x2a8, 15, 3 }, + [PAD_GPIO47] = { 0x2a8, 18, 3 }, + [PAD_GPIO48] = { 0x2a8, 21, 3 }, + [PAD_GPIO49] = { 0x2a8, 24, 3 }, + [PAD_GPIO50] = { 0x2a8, 27, 3 }, + [PAD_GPIO51] = { 0x2a8, 30, 3 }, + + [PAD_GPIO52] = { 0x2ac, 0, 3 }, + [PAD_GPIO53] = { 0x2ac, 2, 3 }, + [PAD_GPIO54] = { 0x2ac, 4, 3 }, + [PAD_GPIO55] = { 0x2ac, 6, 3 }, + [PAD_GPIO56] = { 0x2ac, 9, 3 }, + [PAD_GPIO57] = { 0x2ac, 12, 3 }, + [PAD_GPIO58] = { 0x2ac, 15, 3 }, + [PAD_GPIO59] = { 0x2ac, 18, 3 }, + [PAD_GPIO60] = { 0x2ac, 21, 3 }, + [PAD_GPIO61] = { 0x2ac, 24, 3 }, + [PAD_GPIO62] = { 0x2ac, 27, 3 }, + [PAD_GPIO63] = { 0x2ac, 30, 3 }, + + [PAD_GPIO6] = { 0x2b0, 0, 3 }, + [PAD_GPIO7] = { 0x2b0, 2, 3 }, + [PAD_GPIO8] = { 0x2b0, 5, 3 }, + [PAD_GPIO9] = { 0x2b0, 8, 3 }, +}; + +struct jh7110_vin_group_sel { + u16 offset; + u8 shift; + u8 group; +}; + +static const struct jh7110_vin_group_sel + jh7110_sys_vin_group_sel[ARRAY_SIZE(jh7110_sys_pins)] = { + [PAD_GPIO6] = { 0x2b4, 21, 0 }, + [PAD_GPIO7] = { 0x2b4, 18, 0 }, + [PAD_GPIO8] = { 0x2b4, 15, 0 }, + [PAD_GPIO9] = { 0x2b0, 11, 0 }, + [PAD_GPIO10] = { 0x2b0, 20, 0 }, + [PAD_GPIO11] = { 0x2b0, 23, 0 }, + [PAD_GPIO12] = { 0x2b0, 26, 0 }, + [PAD_GPIO13] = { 0x2b0, 29, 0 }, + [PAD_GPIO14] = { 0x2b4, 0, 0 }, + [PAD_GPIO15] = { 0x2b4, 3, 0 }, + [PAD_GPIO16] = { 0x2b4, 6, 0 }, + [PAD_GPIO17] = { 0x2b4, 9, 0 }, + [PAD_GPIO18] = { 0x2b4, 12, 0 }, + [PAD_GPIO19] = { 0x2b0, 14, 0 }, + [PAD_GPIO20] = { 0x2b0, 17, 0 }, + + [PAD_GPIO21] = { 0x2b4, 21, 1 }, + [PAD_GPIO22] = { 0x2b4, 18, 1 }, + [PAD_GPIO23] = { 0x2b4, 15, 1 }, + [PAD_GPIO24] = { 0x2b0, 11, 1 }, + [PAD_GPIO25] = { 0x2b0, 20, 1 }, + [PAD_GPIO26] = { 0x2b0, 23, 1 }, + [PAD_GPIO27] = { 0x2b0, 26, 1 }, + [PAD_GPIO28] = { 0x2b0, 29, 1 }, + [PAD_GPIO29] = { 0x2b4, 0, 1 }, + [PAD_GPIO30] = { 0x2b4, 3, 1 }, + [PAD_GPIO31] = { 0x2b4, 6, 1 }, + [PAD_GPIO32] = { 0x2b4, 9, 1 }, + [PAD_GPIO33] = { 0x2b4, 12, 1 }, + [PAD_GPIO34] = { 0x2b0, 14, 1 }, + [PAD_GPIO35] = { 0x2b0, 17, 1 }, + + [PAD_GPIO36] = { 0x2b4, 21, 2 }, + [PAD_GPIO37] = { 0x2b4, 18, 2 }, + [PAD_GPIO38] = { 0x2b4, 15, 2 }, + [PAD_GPIO39] = { 0x2b0, 11, 2 }, + [PAD_GPIO40] = { 0x2b0, 20, 2 }, + [PAD_GPIO41] = { 0x2b0, 23, 2 }, + [PAD_GPIO42] = { 0x2b0, 26, 2 }, + [PAD_GPIO43] = { 0x2b0, 29, 2 }, + [PAD_GPIO44] = { 0x2b4, 0, 2 }, + [PAD_GPIO45] = { 0x2b4, 3, 2 }, + [PAD_GPIO46] = { 0x2b4, 6, 2 }, + [PAD_GPIO47] = { 0x2b4, 9, 2 }, + [PAD_GPIO48] = { 0x2b4, 12, 2 }, + [PAD_GPIO49] = { 0x2b0, 14, 2 }, + [PAD_GPIO50] = { 0x2b0, 17, 2 }, +}; + +static void jh7110_set_function(struct udevice *dev, + unsigned int pin, u32 func) +{ + const struct jh7110_func_sel *fs = &jh7110_sys_func_sel[pin]; + struct starfive_pinctrl_priv *priv = dev_get_priv(dev); + void __iomem *reg; + u32 mask; + + if (!fs->offset) + return; + + if (func > fs->max) + return; + + reg = priv->base + fs->offset; + func = func << fs->shift; + mask = 0x3U << fs->shift; + + func |= readl(reg) & ~mask; + writel(func, reg); +} + +static void jh7110_set_vin_group(struct udevice *dev, unsigned int pin) +{ + const struct jh7110_vin_group_sel *gs = + &jh7110_sys_vin_group_sel[pin]; + struct starfive_pinctrl_priv *priv = dev_get_priv(dev); + void __iomem *reg; + u32 mask; + u32 grp; + + if (!gs->offset) + return; + + reg = priv->base + gs->offset; + grp = gs->group << gs->shift; + mask = 0x3U << gs->shift; + + grp |= readl(reg) & ~mask; + writel(grp, reg); +} + +static int jh7110_sys_set_one_pin_mux(struct udevice *dev, unsigned int pin, + unsigned int din, u32 dout, u32 doen, u32 func) +{ + struct starfive_pinctrl_priv *priv = dev_get_priv(dev); + + if (pin < priv->info->ngpios && func == 0) + starfive_set_gpiomux(dev, pin, din, dout, doen); + + jh7110_set_function(dev, pin, func); + + if (pin < priv->info->ngpios && func == 2) + jh7110_set_vin_group(dev, pin); + + return 0; +} + +static int jh7110_sys_get_padcfg_base(struct udevice *dev, + unsigned int pin) +{ + if (pin < PAD_GMAC1_MDC) + return SYS_GPO_PDA_0_74_CFG; + else if (pin > PAD_GMAC1_TXC && pin <= PAD_QSPI_DATA3) + return SYS_GPO_PDA_89_94_CFG; + else + return -1; +} + +static void jh7110_sys_init_hw(struct udevice *dev) +{ + struct starfive_pinctrl_priv *priv = dev_get_priv(dev); + + /* mask all GPIO interrupts */ + writel(0U, priv->base + JH7110_SYS_GPIOIE0); + writel(0U, priv->base + JH7110_SYS_GPIOIE1); + /* clear edge interrupt flags */ + writel(~0U, priv->base + JH7110_SYS_GPIOIC0); + writel(~0U, priv->base + JH7110_SYS_GPIOIC1); + /* enable GPIO interrupts */ + writel(1U, priv->base + JH7110_SYS_GPIOEN); +} + +const struct starfive_pinctrl_soc_info jh7110_sys_pinctrl_info = { + /* pin conf */ + .set_one_pinmux = jh7110_sys_set_one_pin_mux, + .get_padcfg_base = jh7110_sys_get_padcfg_base, + + /* gpio dout/doen/din/gpioinput register */ + .dout_reg_base = JH7110_SYS_DOUT, + .dout_mask = GENMASK(6, 0), + .doen_reg_base = JH7110_SYS_DOEN, + .doen_mask = GENMASK(5, 0), + .gpi_reg_base = JH7110_SYS_GPI, + .gpi_mask = GENMASK(6, 0), + .gpioin_reg_base = JH7110_SYS_GPIOIN, + + /* gpio */ + .gpio_bank_name = "GPIO", + .ngpios = JH7110_SYS_NGPIO, + .gpio_init_hw = jh7110_sys_init_hw, +}; + +static int jh7110_sys_pinctrl_probe(struct udevice *dev) +{ + struct starfive_pinctrl_soc_info *info = + (struct starfive_pinctrl_soc_info *)dev_get_driver_data(dev); + + return starfive_pinctrl_probe(dev, info); +} + +static const struct udevice_id jh7110_sys_pinctrl_ids[] = { + /* JH7110 sys pinctrl */ + { .compatible = "starfive,jh7110-sys-pinctrl", + .data = (ulong)&jh7110_sys_pinctrl_info, }, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(jh7110_sys_pinctrl) = { + .name = "jh7110-sys-pinctrl", + .id = UCLASS_PINCTRL, + .of_match = jh7110_sys_pinctrl_ids, + .priv_auto = sizeof(struct starfive_pinctrl_priv), + .ops = &starfive_pinctrl_ops, + .probe = jh7110_sys_pinctrl_probe, +}; diff --git a/drivers/pinctrl/starfive/pinctrl-starfive.c b/drivers/pinctrl/starfive/pinctrl-starfive.c new file mode 100644 index 0000000000..9b09cc21cf --- /dev/null +++ b/drivers/pinctrl/starfive/pinctrl-starfive.c @@ -0,0 +1,398 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Pinctrl / GPIO driver for StarFive JH7100 SoC + * + * Copyright (C) 2022 Shanghai StarFive Technology Co., Ltd. + * Author: Lee Kuan Lim kuanlim.lee@starfivetech.com + * Author: Jianlong Huang jianlong.huang@starfivetech.com + */ + +#include <common.h> +#include <clk.h> +#include <dm.h> +#include <dm/device-internal.h> +#include <dm/lists.h> +#include <dm/pinctrl.h> +#include <asm-generic/gpio.h> +#include <linux/bitops.h> +#include <linux/io.h> +#include <linux/ioport.h> +#include <dm/device_compat.h> +#include <dt-bindings/pinctrl/pinctrl-starfive-jh7110.h> + +#include "pinctrl-starfive.h" + +/* pad control bits */ +#define STARFIVE_PADCFG_POS BIT(7) +#define STARFIVE_PADCFG_SMT BIT(6) +#define STARFIVE_PADCFG_SLEW BIT(5) +#define STARFIVE_PADCFG_PD BIT(4) +#define STARFIVE_PADCFG_PU BIT(3) +#define STARFIVE_PADCFG_BIAS (STARFIVE_PADCFG_PD | STARFIVE_PADCFG_PU) +#define STARFIVE_PADCFG_DS_MASK GENMASK(2, 1) +#define STARFIVE_PADCFG_DS_2MA (0U << 1) +#define STARFIVE_PADCFG_DS_4MA BIT(1) +#define STARFIVE_PADCFG_DS_8MA (2U << 1) +#define STARFIVE_PADCFG_DS_12MA (3U << 1) +#define STARFIVE_PADCFG_IE BIT(0) +#define GPIO_NUM_PER_WORD 32 + +/* + * The packed pinmux values from the device tree look like this: + * + * | 31 - 24 | 23 - 16 | 15 - 10 | 9 - 8 | 7 - 0 | + * | din | dout | doen | function | pin | + */ +static unsigned int starfive_pinmux_din(u32 v) +{ + return (v & GENMASK(31, 24)) >> 24; +} + +static u32 starfive_pinmux_dout(u32 v) +{ + return (v & GENMASK(23, 16)) >> 16; +} + +static u32 starfive_pinmux_doen(u32 v) +{ + return (v & GENMASK(15, 10)) >> 10; +} + +static u32 starfive_pinmux_function(u32 v) +{ + return (v & GENMASK(9, 8)) >> 8; +} + +static unsigned int starfive_pinmux_pin(u32 v) +{ + return v & GENMASK(7, 0); +} + +void starfive_set_gpiomux(struct udevice *dev, unsigned int pin, + unsigned int din, u32 dout, u32 doen) +{ + struct starfive_pinctrl_priv *priv = dev_get_priv(dev); + const struct starfive_pinctrl_soc_info *info = priv->info; + + unsigned int offset = 4 * (pin / 4); + unsigned int shift = 8 * (pin % 4); + u32 dout_mask = info->dout_mask << shift; + u32 done_mask = info->doen_mask << shift; + u32 ival, imask; + void __iomem *reg_dout; + void __iomem *reg_doen; + void __iomem *reg_din; + + reg_dout = priv->base + info->dout_reg_base + offset; + reg_doen = priv->base + info->doen_reg_base + offset; + dout <<= shift; + doen <<= shift; + if (din != GPI_NONE) { + unsigned int ioffset = 4 * (din / 4); + unsigned int ishift = 8 * (din % 4); + + reg_din = priv->base + info->gpi_reg_base + ioffset; + ival = (pin + 2) << ishift; + imask = info->gpi_mask << ishift; + } else { + reg_din = NULL; + } + + dout |= readl(reg_dout) & ~dout_mask; + writel(dout, reg_dout); + doen |= readl(reg_doen) & ~done_mask; + writel(doen, reg_doen); + if (reg_din) { + ival |= readl(reg_din) & ~imask; + writel(ival, reg_din); + } +} + +static const struct pinconf_param starfive_pinconf_params[] = { + { "bias-disable", PIN_CONFIG_BIAS_DISABLE, 0 }, + { "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 1 }, + { "bias-pull-down", PIN_CONFIG_BIAS_PULL_DOWN, 1 }, + { "drive-strength", PIN_CONFIG_DRIVE_STRENGTH, 0 }, + { "input-schmitt-enable", PIN_CONFIG_INPUT_SCHMITT_ENABLE, 1 }, + { "input-schmitt-disable", PIN_CONFIG_INPUT_SCHMITT_ENABLE, 0 }, + { "input-enable", PIN_CONFIG_INPUT_ENABLE, 1 }, + { "input-disable", PIN_CONFIG_INPUT_ENABLE, 0 }, + { "slew-rate", PIN_CONFIG_SLEW_RATE, 0 }, +}; + +static const u8 starfive_drive_strength_mA[4] = { 2, 4, 8, 12 }; + +static u32 starfive_padcfg_ds_from_mA(u32 v) +{ + int i; + + for (i = 0; i < 3; i++) { + if (v <= starfive_drive_strength_mA[i]) + break; + } + return i << 1; +} + +static void starfive_padcfg_rmw(struct udevice *dev, + unsigned int pin, u32 mask, u32 value) +{ + struct starfive_pinctrl_priv *priv = dev_get_priv(dev); + struct starfive_pinctrl_soc_info *info = priv->info; + void __iomem *reg; + int padcfg_base; + + if (!info->get_padcfg_base) + return; + + padcfg_base = info->get_padcfg_base(dev, pin); + if (padcfg_base < 0) + return; + + reg = priv->base + padcfg_base + 4 * pin; + value &= mask; + + value |= readl(reg) & ~mask; + writel(value, reg); +} + +static int starfive_pinconf_set(struct udevice *dev, unsigned int pin, + unsigned int param, unsigned int arg) +{ + u16 mask = 0; + u16 value = 0; + + switch (param) { + case PIN_CONFIG_BIAS_DISABLE: + mask |= STARFIVE_PADCFG_BIAS; + value &= ~STARFIVE_PADCFG_BIAS; + break; + case PIN_CONFIG_BIAS_PULL_DOWN: + if (arg == 0) + return -EINVAL; + mask |= STARFIVE_PADCFG_BIAS; + value = (value & ~STARFIVE_PADCFG_BIAS) | STARFIVE_PADCFG_PD; + break; + case PIN_CONFIG_BIAS_PULL_UP: + if (arg == 0) + return -EINVAL; + mask |= STARFIVE_PADCFG_BIAS; + value = (value & ~STARFIVE_PADCFG_BIAS) | STARFIVE_PADCFG_PU; + break; + case PIN_CONFIG_DRIVE_STRENGTH: + mask |= STARFIVE_PADCFG_DS_MASK; + value = (value & ~STARFIVE_PADCFG_DS_MASK) | + starfive_padcfg_ds_from_mA(arg); + break; + case PIN_CONFIG_INPUT_ENABLE: + mask |= STARFIVE_PADCFG_IE; + if (arg) + value |= STARFIVE_PADCFG_IE; + else + value &= ~STARFIVE_PADCFG_IE; + break; + case PIN_CONFIG_INPUT_SCHMITT_ENABLE: + mask |= STARFIVE_PADCFG_SMT; + if (arg) + value |= STARFIVE_PADCFG_SMT; + else + value &= ~STARFIVE_PADCFG_SMT; + break; + case PIN_CONFIG_SLEW_RATE: + mask |= STARFIVE_PADCFG_SLEW; + if (arg) + value |= STARFIVE_PADCFG_SLEW; + else + value &= ~STARFIVE_PADCFG_SLEW; + break; + default: + return -EINVAL; + } + + starfive_padcfg_rmw(dev, pin, mask, value); + + return 0; +} + +static int starfive_property_set(struct udevice *dev, u32 pinmux_group) +{ + struct starfive_pinctrl_priv *priv = dev_get_priv(dev); + struct starfive_pinctrl_soc_info *info = priv->info; + + if (info->set_one_pinmux) + info->set_one_pinmux(dev, + starfive_pinmux_pin(pinmux_group), + starfive_pinmux_din(pinmux_group), + starfive_pinmux_dout(pinmux_group), + starfive_pinmux_doen(pinmux_group), + starfive_pinmux_function(pinmux_group)); + + return starfive_pinmux_pin(pinmux_group); +} + +const struct pinctrl_ops starfive_pinctrl_ops = { + .set_state = pinctrl_generic_set_state, + .pinconf_num_params = ARRAY_SIZE(starfive_pinconf_params), + .pinconf_params = starfive_pinconf_params, + .pinconf_set = starfive_pinconf_set, + .pinmux_property_set = starfive_property_set, +}; + +static int starfive_gpio_get_direction(struct udevice *dev, unsigned int off) +{ + struct udevice *pdev = dev->parent; + struct starfive_pinctrl_priv *priv = dev_get_priv(pdev); + struct starfive_pinctrl_soc_info *info = priv->info; + + unsigned int offset = 4 * (off / 4); + unsigned int shift = 8 * (off % 4); + u32 doen = readl(priv->base + info->doen_reg_base + offset); + + doen = (doen >> shift) & info->doen_mask; + + return doen == GPOEN_ENABLE ? GPIOF_OUTPUT : GPIOF_INPUT; +} + +static int starfive_gpio_direction_input(struct udevice *dev, unsigned int off) +{ + struct udevice *pdev = dev->parent; + struct starfive_pinctrl_priv *priv = dev_get_priv(pdev); + struct starfive_pinctrl_soc_info *info = priv->info; + + /* enable input and schmitt trigger */ + starfive_padcfg_rmw(pdev, off, + STARFIVE_PADCFG_IE | STARFIVE_PADCFG_SMT, + STARFIVE_PADCFG_IE | STARFIVE_PADCFG_SMT); + + if (info->set_one_pinmux) + info->set_one_pinmux(pdev, off, + GPI_NONE, GPOUT_LOW, GPOEN_DISABLE, 0); + + return 0; +} + +static int starfive_gpio_direction_output(struct udevice *dev, + unsigned int off, int val) +{ + struct udevice *pdev = dev->parent; + struct starfive_pinctrl_priv *priv = dev_get_priv(pdev); + struct starfive_pinctrl_soc_info *info = priv->info; + + if (info->set_one_pinmux) + info->set_one_pinmux(pdev, off, + GPI_NONE, val ? GPOUT_HIGH : GPOUT_LOW, + GPOEN_ENABLE, 0); + + /* disable input, schmitt trigger and bias */ + starfive_padcfg_rmw(pdev, off, + STARFIVE_PADCFG_IE | STARFIVE_PADCFG_SMT + | STARFIVE_PADCFG_BIAS, + 0); + + return 0; +} + +static int starfive_gpio_get_value(struct udevice *dev, unsigned int off) +{ + struct udevice *pdev = dev->parent; + struct starfive_pinctrl_priv *priv = dev_get_priv(pdev); + struct starfive_pinctrl_soc_info *info = priv->info; + + void __iomem *reg = priv->base + info->gpioin_reg_base + + 4 * (off / GPIO_NUM_PER_WORD); + + return !!(readl(reg) & BIT(off % GPIO_NUM_PER_WORD)); +} + +static int starfive_gpio_set_value(struct udevice *dev, + unsigned int off, int val) +{ + struct udevice *pdev = dev->parent; + struct starfive_pinctrl_priv *priv = dev_get_priv(pdev); + struct starfive_pinctrl_soc_info *info = priv->info; + + unsigned int offset = 4 * (off / 4); + unsigned int shift = 8 * (off % 4); + void __iomem *reg_dout = priv->base + info->dout_reg_base + offset; + u32 dout = (val ? GPOUT_HIGH : GPOUT_LOW) << shift; + u32 mask = info->dout_mask << shift; + + dout |= readl(reg_dout) & ~mask; + writel(dout, reg_dout); + + return 0; +} + +static int starfive_gpio_probe(struct udevice *dev) +{ + struct gpio_dev_priv *uc_priv; + struct udevice *pdev = dev->parent; + struct starfive_pinctrl_priv *priv = dev_get_priv(pdev); + struct starfive_pinctrl_soc_info *info = priv->info; + + uc_priv = dev_get_uclass_priv(dev); + uc_priv->bank_name = info->gpio_bank_name; + uc_priv->gpio_count = info->ngpios; + + if (!info->gpio_init_hw) + return -ENXIO; + + info->gpio_init_hw(pdev); + + return 0; +} + +static const struct dm_gpio_ops starfive_gpio_ops = { + .get_function = starfive_gpio_get_direction, + .direction_input = starfive_gpio_direction_input, + .direction_output = starfive_gpio_direction_output, + .get_value = starfive_gpio_get_value, + .set_value = starfive_gpio_set_value, +}; + +static struct driver starfive_gpio_driver = { + .name = "starfive_gpio", + .id = UCLASS_GPIO, + .probe = starfive_gpio_probe, + .ops = &starfive_gpio_ops, +}; + +static int starfive_gpiochip_register(struct udevice *parent) +{ + struct uclass_driver *drv; + struct udevice *dev; + int ret; + ofnode node; + + drv = lists_uclass_lookup(UCLASS_GPIO); + if (!drv) + return -ENOENT; + + node = dev_ofnode(parent); + ret = device_bind_with_driver_data(parent, &starfive_gpio_driver, + "starfive_gpio", 0, node, &dev); + + return (ret == 0) ? 0 : ret; +} + +int starfive_pinctrl_probe(struct udevice *dev, + const struct starfive_pinctrl_soc_info *info) +{ + struct starfive_pinctrl_priv *priv = dev_get_priv(dev); + int ret; + + /* Bind pinctrl_info from .data to priv */ + priv->info = + (struct starfive_pinctrl_soc_info *)dev_get_driver_data(dev); + + if (!priv->info) + return -EINVAL; + + priv->base = dev_read_addr_ptr(dev); + if (!priv->base) + return -EINVAL; + + /* gpiochip register */ + ret = starfive_gpiochip_register(dev); + + return (ret == 0) ? 0 : ret; +} diff --git a/drivers/pinctrl/starfive/pinctrl-starfive.h b/drivers/pinctrl/starfive/pinctrl-starfive.h new file mode 100644 index 0000000000..5721c3c36e --- /dev/null +++ b/drivers/pinctrl/starfive/pinctrl-starfive.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Pinctrl / GPIO driver for StarFive SoC + * + * Copyright (C) 2022 Shanghai StarFive Technology Co., Ltd. + * Author: Lee Kuan Lim kuanlim.lee@starfivetech.com + * Author: Jianlong Huang jianlong.huang@starfivetech.com + */ + +#define STARFIVE_PINCTRL(a, b) { .number = a, .name = b } + +extern const struct pinctrl_ops starfive_pinctrl_ops; + +struct starfive_pinctrl_pin { + unsigned int number; + const char *name; +}; + +struct starfive_pinctrl_soc_info { + /* pinctrl */ + int (*set_one_pinmux)(struct udevice *dev, unsigned int pin, + unsigned int din, u32 dout, u32 doen, u32 func); + int (*get_padcfg_base)(struct udevice *dev, + unsigned int pin); + + /* gpio dout/doen/din/gpioinput register */ + unsigned int dout_reg_base; + unsigned int dout_mask; + unsigned int doen_reg_base; + unsigned int doen_mask; + unsigned int gpi_reg_base; + unsigned int gpi_mask; + unsigned int gpioin_reg_base; + + /* gpio */ + const char *gpio_bank_name; + int ngpios; + void (*gpio_init_hw)(struct udevice *dev); +}; + +/* + * struct starfive_pinctrl_priv - private data for Starfive pinctrl driver + * + * @padctl_base: base address of the pinctrl device + * @info: SoC specific data & function + */ +struct starfive_pinctrl_priv { + void __iomem *base; + struct starfive_pinctrl_soc_info *info; +}; + +void starfive_set_gpiomux(struct udevice *dev, unsigned int pin, + unsigned int din, u32 dout, u32 doen); +int starfive_pinctrl_probe(struct udevice *dev, + const struct starfive_pinctrl_soc_info *info);

Add board support for StarFive VisionFive v2.

Signed-off-by: Yanhong Wang yanhong.wang@starfivetech.com Tested-by: Conor Dooley conor.dooley@microchip.com --- board/starfive/visionfive2/MAINTAINERS | 7 + board/starfive/visionfive2/Makefile | 7 + board/starfive/visionfive2/spl.c | 87 ++++ .../visionfive2/starfive_visionfive2.c | 40 ++ doc/board/index.rst | 1 + doc/board/starfive/index.rst | 9 + doc/board/starfive/visionfive2.rst | 492 ++++++++++++++++++ include/configs/starfive-visionfive2.h | 49 ++ 8 files changed, 692 insertions(+) create mode 100644 board/starfive/visionfive2/MAINTAINERS create mode 100644 board/starfive/visionfive2/Makefile create mode 100644 board/starfive/visionfive2/spl.c create mode 100644 board/starfive/visionfive2/starfive_visionfive2.c create mode 100644 doc/board/starfive/index.rst create mode 100644 doc/board/starfive/visionfive2.rst create mode 100644 include/configs/starfive-visionfive2.h

diff --git a/board/starfive/visionfive2/MAINTAINERS b/board/starfive/visionfive2/MAINTAINERS new file mode 100644 index 0000000000..c5369086d8 --- /dev/null +++ b/board/starfive/visionfive2/MAINTAINERS @@ -0,0 +1,7 @@ +STARFIVE JH7110 VISIONFIVE2 BOARD +M: startfive +S: Maintained +F: arch/riscv/include/asm/arch-jh7110/ +F: board/starfive/visionfive2/ +F: include/configs/starfive-visionfive2.h +F: configs/starfive_visionfive2_defconfig diff --git a/board/starfive/visionfive2/Makefile b/board/starfive/visionfive2/Makefile new file mode 100644 index 0000000000..66c854df39 --- /dev/null +++ b/board/starfive/visionfive2/Makefile @@ -0,0 +1,7 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (C) 2022 StarFive Technology Co., Ltd. +# + +obj-y := starfive_visionfive2.o +obj-$(CONFIG_SPL_BUILD) += spl.o diff --git a/board/starfive/visionfive2/spl.c b/board/starfive/visionfive2/spl.c new file mode 100644 index 0000000000..db0b4cb433 --- /dev/null +++ b/board/starfive/visionfive2/spl.c @@ -0,0 +1,87 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2022 StarFive Technology Co., Ltd. + * Author: Yanhong Wangyanhong.wang@starfivetech.com + */ + +#include <common.h> +#include <asm/arch/regs.h> +#include <asm/arch/spl.h> +#include <asm/io.h> +#include <log.h> +#include <spl.h> + +#define JH7110_CLK_CPU_ROOT_OFFSET 0x0U +#define JH7110_CLK_CPU_ROOT_SHIFT 24 +#define JH7110_CLK_CPU_ROOT_MASK GENMASK(29, 24) + +int spl_board_init_f(void) +{ + int ret; + + ret = spl_soc_init(); + if (ret) { + debug("JH7110 SPL init failed: %d\n", ret); + return ret; + } + + return 0; +} + +u32 spl_boot_device(void) +{ + u32 mode; + + mode = in_le32(JH7110_BOOT_MODE_SELECT_REG) + & JH7110_BOOT_MODE_SELECT_MASK; + switch (mode) { + case 0: + return BOOT_DEVICE_SPI; + + case 1: + return BOOT_DEVICE_MMC2; + + case 2: + return BOOT_DEVICE_MMC1; + + case 3: + return BOOT_DEVICE_UART; + + default: + debug("Unsupported boot device 0x%x.\n", mode); + return BOOT_DEVICE_NONE; + } +} + +void board_init_f(ulong dummy) +{ + int ret; + + ret = spl_early_init(); + if (ret) + panic("spl_early_init() failed: %d\n", ret); + + riscv_cpu_setup(NULL, NULL); + preloader_console_init(); + + /* Set the parent clock of cpu_root clock to pll0, + * it must be initialized here + */ + clrsetbits_le32(JH7110_SYS_CRG + JH7110_CLK_CPU_ROOT_OFFSET, + JH7110_CLK_CPU_ROOT_MASK, + BIT(JH7110_CLK_CPU_ROOT_SHIFT)); + + ret = spl_board_init_f(); + if (ret) { + debug("spl_board_init_f init failed: %d\n", ret); + return; + } +} + +#if CONFIG_IS_ENABLED(SPL_LOAD_FIT) +int board_fit_config_name_match(const char *name) +{ + /* boot using first FIT config */ + return 0; +} +#endif diff --git a/board/starfive/visionfive2/starfive_visionfive2.c b/board/starfive/visionfive2/starfive_visionfive2.c new file mode 100644 index 0000000000..613fe793c4 --- /dev/null +++ b/board/starfive/visionfive2/starfive_visionfive2.c @@ -0,0 +1,40 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2022 StarFive Technology Co., Ltd. + * Author: Yanhong Wangyanhong.wang@starfivetech.com + */ + +#include <common.h> +#include <asm/io.h> +#include <cpu_func.h> +#include <linux/bitops.h> + +#define JH7110_L2_PREFETCHER_BASE_ADDR 0x2030000 +#define JH7110_L2_PREFETCHER_HART_OFFSET 0x2000 + +/* enable U74-mc hart1~hart4 prefetcher */ +static void enable_prefetcher(void) +{ + u8 hart; + u32 *reg; + + /* JH7110 use U74MC CORE IP, it include five cores(one S7 and four U7), + * but only U7 cores support prefetcher configuration + */ + for (hart = 1; hart < 5; hart++) { + reg = (void *)(u64)(JH7110_L2_PREFETCHER_BASE_ADDR + + hart * JH7110_L2_PREFETCHER_HART_OFFSET); + + mb(); /* memory barrier */ + setbits_le32(reg, 0x1); + mb(); /* memory barrier */ + } +} + +int board_init(void) +{ + enable_caches(); + enable_prefetcher(); + + return 0; +} diff --git a/doc/board/index.rst b/doc/board/index.rst index 618d22e616..4d08b4fe63 100644 --- a/doc/board/index.rst +++ b/doc/board/index.rst @@ -39,6 +39,7 @@ Board-specific doc sipeed/index socionext/index st/index + starfive/index ste/index tbs/index ti/index diff --git a/doc/board/starfive/index.rst b/doc/board/starfive/index.rst new file mode 100644 index 0000000000..0c52dc7b09 --- /dev/null +++ b/doc/board/starfive/index.rst @@ -0,0 +1,9 @@ +.. SPDX-License-Identifier: GPL-2.0+ + +StarFive +======== + +.. toctree:: + :maxdepth: 1 + + visionfive2 diff --git a/doc/board/starfive/visionfive2.rst b/doc/board/starfive/visionfive2.rst new file mode 100644 index 0000000000..22d2a31ff5 --- /dev/null +++ b/doc/board/starfive/visionfive2.rst @@ -0,0 +1,492 @@ +.. SPDX-License-Identifier: GPL-2.0+ + +StarFive VisionFive2 +==================== + +JH7110 RISC-V SoC +--------------------- +The JH7110 is 4+1 64-bit RISC-V SoC from StarFive. + +The StarFive VisionFive2 development platform is based on JH7110 and capable +of running Linux. + +Mainline support +---------------- + +The support for following drivers are already enabled: + +1. ns16550 UART Driver. +2. StarFive JH7110 clock Driver. +3. StarFive JH7110 reset Driver. +4. Cadence QSPI controller Driver. +5. MMC SPI Driver for MMC/SD support. + +Booting from MMC using U-Boot SPL +--------------------------------- + +The current U-Boot port is supported in S-mode only and loaded from DRAM. + +A prior stage M-mode firmware/bootloader (e.g OpenSBI) is required to +boot the u-boot.itb in S-mode and provide M-mode runtime services. + +Currently, the u-boot.itb is used as a dynamic of the OpenSBI FW_DYNAMIC +firmware with the latest. + +Building +~~~~~~~~ + +1. Add the RISC-V toolchain to your PATH. +2. Setup ARCH & cross compilation environment variable: + +.. code-block:: none + + export CROSS_COMPILE=<riscv64 toolchain prefix> + +Before building U-Boot SPL, OpenSBI must be built first. OpenSBI can be +cloned and built for JH7110 as below: + +.. code-block:: console + + git clone https://github.com/riscv/opensbi.git + cd opensbi + make PLATFORM=generic FW_TEXT_START=0x40000000 FW_OPTIONS=0 + +More detailed description of steps required to build FW_DYNAMIC firmware +is beyond the scope of this document. Please refer OpenSBI documenation. +(Note: OpenSBI git repo is at https://github.com/riscv/opensbi.git) + +Now build the U-Boot SPL and U-Boot proper + +.. code-block:: console + + cd <U-Boot-dir> + make starfive_visionfive2_13b_defconfig + make OPENSBI=$(opensbi_dir)/opensbi/build/platform/generic/firmware/fw_dynamic.bin + +This will generate spl/u-boot-spl.bin and FIT image (u-boot.itb) + +u-boot-spl.bin cannot be used directly on StarFive VisionFive2,we need +to convert the u-boot-spl.bin to u-boot-spl.bin.normal.out with +the below command: + + ./spl_tool -c -f $(Uboot_PATH)/spl/u-boot-spl.bin + +More detailed description of spl_tool,please refer spl_tool documenation. +(Note: spl_tool git repo is at https://github.com/starfive-tech/Tools/tree/master/spl_tool) + +This will generate u-boot-spl.bin.normal.out file. + +Flashing +~~~~~~~~ + +SPL loads the U-Boot SPL (u-boot-spl.bin.normal.out) from a partition with GUID type +2E54B353-1271-4842-806F-E436D6AF6985 + +U-Boot SPL expects a U-Boot FIT image (u-boot.itb) from a partition with GUID +type BC13C2FF-59E6-4262-A352-B275FD6F7172 + +FIT image (u-boot.itb) is a combination of fw_dynamic.bin, u-boot-nodtb.bin and +device tree blob (jh7110-starfive-visionfive-2-v1.3b.dtb/jh7110-starfive-visionfive-2-v1.2a.dtb) + +Format the SD card (make sure the disk has GPT, otherwise use gdisk to switch) + +.. code-block:: bash + + sudo sgdisk --clear \ + --set-alignment=2 \ + --new=1:4096:8191 --change-name=1:spl --typecode=1:2E54B353-1271-4842-806F-E436D6AF6985\ + --new=2:8192:16383 --change-name=2:uboot --typecode=2:BC13C2FF-59E6-4262-A352-B275FD6F7172 \ + --new=3:16384:1654784 --change-name=3:system --typecode=3:EBD0A0A2-B9E5-4433-87C0-68B6B72699C7 \ + /dev/sdb + +Program the SD card + +.. code-block:: bash + + sudo dd if=u-boot-spl.bin.normal.out of=/dev/sdb1 + sudo dd if=u-boot.itb of=/dev/sdb2 + + sudo mount /dev/sdb3 /mnt/ + sudo cp u-boot-spl.bin.normal.out /mnt/ + sudo cp u-boot.itb /mnt/ + sudo cp Image.gz /mnt/ + sudo cp initramfs.cpio.gz /mnt/ + sudo cp jh7110-starfive-visionfive-2-v1.3b.dtb /mnt/ + sudo umount /mnt + +Booting +~~~~~~~ + +Change DIP switches MSEL[1:0] are set to 10, select the boot mode to SD. +Once you plugin the sdcard and power up, you should see the U-Boot prompt. + +Sample boot log from StarFive VisionFive2 board +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. code-block:: none + + + U-Boot SPL 2023.04-rc2-00055-gfc43b9c51a-dirty (Mar 02 2023 - 10:51:39 +0800) + DDR version: dc2e84f0. + Trying to boot from MMC2 + + OpenSBI v1.2-80-g4b28afc + ____ _____ ____ _____ + / __ \ / ____| _ _ _| + | | | |_ __ ___ _ __ | (___ | |_) || | + | | | | '_ \ / _ \ '_ \ ___ | _ < | | + | |__| | |_) | __/ | | |____) | |_) || |_ + ____/| .__/ ___|_| |_|_____/|___/_____| + | | + |_| + + Platform Name : StarFive VisionFive 2 v1.3B + Platform Features : medeleg + Platform HART Count : 5 + Platform IPI Device : aclint-mswi + Platform Timer Device : aclint-mtimer @ 4000000Hz + Platform Console Device : uart8250 + Platform HSM Device : --- + Platform PMU Device : --- + Platform Reboot Device : --- + Platform Shutdown Device : --- + Platform Suspend Device : --- + Firmware Base : 0x40000000 + Firmware Size : 264 KB + Firmware RW Offset : 0x20000 + Runtime SBI Version : 1.0 + + Domain0 Name : root + Domain0 Boot HART : 2 + Domain0 HARTs : 0*,1*,2*,3*,4* + Domain0 Region00 : 0x0000000002000000-0x000000000200ffff M: (I,R,W) S/U: () + Domain0 Region01 : 0x0000000040000000-0x000000004001ffff M: (R,X) S/U: () + Domain0 Region02 : 0x0000000040000000-0x000000004007ffff M: (R,W) S/U: () + Domain0 Region03 : 0x0000000000000000-0xffffffffffffffff M: (R,W,X) S/U: (R,W,X) + Domain0 Next Address : 0x0000000040200000 + Domain0 Next Arg1 : 0x0000000040287970 + Domain0 Next Mode : S-mode + Domain0 SysReset : yes + Domain0 SysSuspend : yes + + Boot HART ID : 2 + Boot HART Domain : root + Boot HART Priv Version : v1.11 + Boot HART Base ISA : rv64imafdcbx + Boot HART ISA Extensions : none + Boot HART PMP Count : 8 + Boot HART PMP Granularity : 4096 + Boot HART PMP Address Bits: 34 + Boot HART MHPM Count : 2 + Boot HART MIDELEG : 0x0000000000000222 + Boot HART MEDELEG : 0x000000000000b109 + + + U-Boot 2023.04-rc2-00055-gfc43b9c51a-dirty (Mar 02 2023 - 10:51:39 +0800) + + CPU: rv64imac_zba_zbb + Model: StarFive VisionFive 2 v1.3B + DRAM: 8 GiB + Core: 107 devices, 18 uclasses, devicetree: separate + MMC: mmc@16010000: 0, mmc@16020000: 1 + Loading Environment from nowhere... OK + In: serial@10000000 + Out: serial@10000000 + Err: serial@10000000 + Net: No ethernet found. + Working FDT set to ff74a340 + Hit any key to stop autoboot: 0 + StarFive # + StarFive #version + U-Boot 2023.04-rc2-00055-gfc43b9c51a-dirty (Mar 02 2023 - 10:51:39 +0800) + + riscv64-buildroot-linux-gnu-gcc.br_real (Buildroot VF2_515_v1.0.0_rc4) 10.3.0 + GNU ld (GNU Binutils) 2.36.1 + StarFive # + StarFive #mmc dev 1 + switch to partitions #0, OK + mmc1 is current device + StarFive #mmc info + Device: mmc@16020000 + Manufacturer ID: 9f + OEM: 5449 + Name: SD64G + Bus Speed: 50000000 + Mode: SD High Speed (50MHz) + Rd Block Len: 512 + SD version 3.0 + High Capacity: Yes + Capacity: 58.3 GiB + Bus Width: 4-bit + Erase Group Size: 512 Bytes + StarFive # + StarFive #mmc part + + Partition Map for MMC device 1 -- Partition Type: EFI + + Part Start LBA End LBA Name + Attributes + Type GUID + Partition GUID + 1 0x00001000 0x00001fff "spl" + attrs: 0x0000000000000000 + type: 2e54b353-1271-4842-806f-e436d6af6985 + (2e54b353-1271-4842-806f-e436d6af6985) + guid: d5ee2056-3020-475b-9a33-25b4257c9f12 + 2 0x00002000 0x00003fff "uboot" + attrs: 0x0000000000000000 + type: bc13c2ff-59e6-4262-a352-b275fd6f7172 + (bc13c2ff-59e6-4262-a352-b275fd6f7172) + guid: 379ab7fe-fd0c-4149-b758-960c1cbfc0cc + 3 0x00004000 0x00194000 "system" + attrs: 0x0000000000000000 + type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 + (data) + guid: 539a6df9-4655-4953-8541-733ca36eb1db + StarFive # + StarFive #fatls mmc 1:3 + 6429424 Image.gz + 717705 u-boot.itb + 125437 u-boot-spl.bin.normal.out + 152848495 initramfs.cpio.gz + 11285 jh7110-starfive-visionfive-2-v1.3b.dtb + + 5 file(s), 0 dir(s) + + StarFive #fatload mmc 1:3 ${kernel_addr_r} Image.gz + 6429424 bytes read in 394 ms (15.6 MiB/s) + StarFive #fatload mmc 1:3 ${fdt_addr_r} jh7110-starfive-visionfive-2-v1.3b.dtb + 11285 bytes read in 5 ms (2.2 MiB/s) + StarFive #fatload mmc 1:3 ${ramdisk_addr_r} initramfs.cpio.gz + 152848495 bytes read in 9271 ms (15.7 MiB/s) + StarFive #booti ${kernel_addr_r} ${ramdisk_addr_r}:${filesize} ${fdt_addr_r} + Uncompressing Kernel Image + ## Flattened Device Tree blob at 46000000 + Booting using the fdt blob at 0x46000000 + Working FDT set to 46000000 + Loading Ramdisk to f5579000, end fe73d86f ... OK + Loading Device Tree to 00000000f5573000, end 00000000f5578c14 ... OK + Working FDT set to f5573000 + + Starting kernel ... + + + ] Linux version 6.2.0-starfive-00026-g11934a315b67 (wyh@wyh-VirtualBox) (riscv64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0, GNU ld (GNU Binutils for Ubuntu) 2.30) #1 SMP Thu Mar 2 14:51:36 CST 2023 + [ 0.000000] OF: fdt: Ignoring memory range 0x40000000 - 0x40200000 + [ 0.000000] Machine model: StarFive VisionFive 2 v1.3B + [ 0.000000] efi: UEFI not found. + [ 0.000000] Zone ranges: + [ 0.000000] DMA32 [mem 0x0000000040200000-0x00000000ffffffff] + [ 0.000000] Normal [mem 0x0000000100000000-0x000000013fffffff] + [ 0.000000] Movable zone start for each node + [ 0.000000] Early memory node ranges + [ 0.000000] node 0: [mem 0x0000000040200000-0x000000013fffffff] + [ 0.000000] Initmem setup node 0 [mem 0x0000000040200000-0x000000013fffffff] + [ 0.000000] On node 0, zone DMA32: 512 pages in unavailable ranges + [ 0.000000] SBI specification v1.0 detected + [ 0.000000] SBI implementation ID=0x1 Version=0x10002 + [ 0.000000] SBI TIME extension detected + [ 0.000000] SBI IPI extension detected + [ 0.000000] SBI RFENCE extension detected + [ 0.000000] SBI HSM extension detected + [ 0.000000] CPU with hartid=0 is not available + [ 0.000000] CPU with hartid=0 is not available + [ 0.000000] CPU with hartid=0 is not available + [ 0.000000] riscv: base ISA extensions acdfim + [ 0.000000] riscv: ELF capabilities acdfim + [ 0.000000] percpu: Embedded 18 pages/cpu s35960 r8192 d29576 u73728 + [ 0.000000] pcpu-alloc: s35960 r8192 d29576 u73728 alloc=18*4096 + [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 + [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 1031688 + [ 0.000000] Kernel command line: console=ttyS0,115200 debug rootwait earlycon=sbi + [ 0.000000] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) + [ 0.000000] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) + [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off + [ 0.000000] software IO TLB: area num 4. + [ 0.000000] software IO TLB: mapped [mem 0x00000000f1573000-0x00000000f5573000] (64MB) + [ 0.000000] Virtual kernel memory layout: + [ 0.000000] fixmap : 0xffffffc6fee00000 - 0xffffffc6ff000000 (2048 kB) + [ 0.000000] pci io : 0xffffffc6ff000000 - 0xffffffc700000000 ( 16 MB) + [ 0.000000] vmemmap : 0xffffffc700000000 - 0xffffffc800000000 (4096 MB) + [ 0.000000] vmalloc : 0xffffffc800000000 - 0xffffffd800000000 ( 64 GB) + [ 0.000000] modules : 0xffffffff0136a000 - 0xffffffff80000000 (2028 MB) + [ 0.000000] lowmem : 0xffffffd800000000 - 0xffffffd8ffe00000 (4094 MB) + [ 0.000000] kernel : 0xffffffff80000000 - 0xffffffffffffffff (2047 MB) + [ 0.000000] Memory: 3867604K/4192256K available (8012K kernel code, 4919K rwdata, 4096K rodata, 2190K init, 476K bss, 324652K reserved, 0K cma-reserved) + [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 + [ 0.000000] rcu: Hierarchical RCU implementation. + [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. + [ 0.000000] rcu: RCU debug extended QS entry/exit. + [ 0.000000] Tracing variant of Tasks RCU enabled. + [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies. + [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 + [ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0 + [ 0.000000] CPU with hartid=0 is not available + [ 0.000000] riscv-intc: unable to find hart id for /cpus/cpu@0/interrupt-controller + [ 0.000000] riscv-intc: 64 local interrupts mapped + [ 0.000000] plic: interrupt-controller@c000000: mapped 136 interrupts with 4 handlers for 9 contexts. + [ 0.000000] rcu: srcu_init: Setting srcu_struct sizes based on contention. + [ 0.000000] riscv-timer: riscv_timer_init_dt: Registering clocksource cpuid [0] hartid [4] + [ 0.000000] clocksource: riscv_clocksource: mask: 0xffffffffffffffff max_cycles: 0x1d854df40, max_idle_ns: 881590404240 ns + [ 0.000003] sched_clock: 64 bits at 4MHz, resolution 250ns, wraps every 2199023255500ns + [ 0.000437] Console: colour dummy device 80x25 + [ 0.000568] Calibrating delay loop (skipped), value calculated using timer frequency.. 8.00 BogoMIPS (lpj=16000) + [ 0.000602] pid_max: default: 32768 minimum: 301 + [ 0.000752] LSM: initializing lsm=capability,integrity + [ 0.001071] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) + [ 0.001189] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) + [ 0.004201] CPU node for /cpus/cpu@0 exist but the possible cpu range is :0-3 + [ 0.007426] cblist_init_generic: Setting adjustable number of callback queues. + [ 0.007457] cblist_init_generic: Setting shift to 2 and lim to 1. + [ 0.007875] riscv: ELF compat mode unsupported + [ 0.007902] ASID allocator disabled (0 bits) + [ 0.008405] rcu: Hierarchical SRCU implementation. + [ 0.008426] rcu: Max phase no-delay instances is 1000. + [ 0.009247] EFI services will not be available. + [ 0.010738] smp: Bringing up secondary CPUs ... + [ 0.018358] smp: Brought up 1 node, 4 CPUs + [ 0.021776] devtmpfs: initialized + [ 0.027337] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns + [ 0.027389] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) + [ 0.027888] pinctrl core: initialized pinctrl subsystem + [ 0.029881] NET: Registered PF_NETLINK/PF_ROUTE protocol family + [ 0.030401] audit: initializing netlink subsys (disabled) + [ 0.031041] audit: type=2000 audit(0.028:1): state=initialized audit_enabled=0 res=1 + [ 0.031943] cpuidle: using governor menu + [ 0.043011] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages + [ 0.043033] HugeTLB: 0 KiB vmemmap can be freed for a 2.00 MiB page + [ 0.044943] iommu: Default domain type: Translated + [ 0.044965] iommu: DMA domain TLB invalidation policy: strict mode + [ 0.046089] SCSI subsystem initialized + [ 0.046733] libata version 3.00 loaded. + [ 0.047231] usbcore: registered new interface driver usbfs + [ 0.047315] usbcore: registered new interface driver hub + [ 0.047420] usbcore: registered new device driver usb + [ 0.049770] vgaarb: loaded + [ 0.050277] clocksource: Switched to clocksource riscv_clocksource + [ 0.084690] NET: Registered PF_INET protocol family + [ 0.085561] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) + [ 0.093010] tcp_listen_portaddr_hash hash table entries: 2048 (order: 4, 65536 bytes, linear) + [ 0.093152] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) + [ 0.093224] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) + [ 0.093821] TCP bind hash table entries: 32768 (order: 9, 2097152 bytes, linear) + [ 0.117880] TCP: Hash tables configured (established 32768 bind 32768) + [ 0.118500] UDP hash table entries: 2048 (order: 5, 196608 bytes, linear) + [ 0.118881] UDP-Lite hash table entries: 2048 (order: 5, 196608 bytes, linear) + [ 0.119675] NET: Registered PF_UNIX/PF_LOCAL protocol family + [ 0.121749] RPC: Registered named UNIX socket transport module. + [ 0.121776] RPC: Registered udp transport module. + [ 0.121784] RPC: Registered tcp transport module. + [ 0.121791] RPC: Registered tcp NFSv4.1 backchannel transport module. + [ 0.121816] PCI: CLS 0 bytes, default 64 + [ 0.124101] Unpacking initramfs... + [ 0.125468] workingset: timestamp_bits=46 max_order=20 bucket_order=0 + [ 0.128372] NFS: Registering the id_resolver key type + [ 0.128498] Key type id_resolver registered + [ 0.128525] Key type id_legacy registered + [ 0.128625] nfs4filelayout_init: NFSv4 File Layout Driver Registering... + [ 0.128649] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... + [ 0.129358] 9p: Installing v9fs 9p2000 file system support + [ 0.130179] NET: Registered PF_ALG protocol family + [ 0.130499] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) + [ 0.130544] io scheduler mq-deadline registered + [ 0.130556] io scheduler kyber registered + [ 0.416754] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled + [ 0.420857] SuperH (H)SCI(F) driver initialized + [ 0.443735] loop: module loaded + [ 0.448605] e1000e: Intel(R) PRO/1000 Network Driver + [ 0.448627] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. + [ 0.450716] usbcore: registered new interface driver uas + [ 0.450832] usbcore: registered new interface driver usb-storage + [ 0.451638] mousedev: PS/2 mouse device common for all mice + [ 0.453465] sdhci: Secure Digital Host Controller Interface driver + [ 0.453487] sdhci: Copyright(c) Pierre Ossman + [ 0.453584] sdhci-pltfm: SDHCI platform and OF driver helper + [ 0.454140] usbcore: registered new interface driver usbhid + [ 0.454174] usbhid: USB HID core driver + [ 0.454833] riscv-pmu-sbi: SBI PMU extension is available + [ 0.454920] riscv-pmu-sbi: 16 firmware and 4 hardware counters + [ 0.454942] riscv-pmu-sbi: Perf sampling/filtering is not supported as sscof extension is not available + [ 0.457071] NET: Registered PF_INET6 protocol family + [ 0.460627] Segment Routing with IPv6 + [ 0.460821] In-situ OAM (IOAM) with IPv6 + [ 0.461005] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver + [ 0.462712] NET: Registered PF_PACKET protocol family + [ 0.462933] 9pnet: Installing 9P2000 support + [ 0.463141] Key type dns_resolver registered + [ 0.463168] start plist test + [ 0.469261] end plist test + [ 0.506774] debug_vm_pgtable: [debug_vm_pgtable ]: Validating architecture page table helpers + [ 0.553683] gpio gpiochip0: Static allocation of GPIO base is deprecated, use dynamic allocation. + [ 0.554741] starfive-jh7110-sys-pinctrl 13040000.pinctrl: StarFive GPIO chip registered 64 GPIOs + [ 0.555900] gpio gpiochip1: Static allocation of GPIO base is deprecated, use dynamic allocation. + [ 0.556772] starfive-jh7110-aon-pinctrl 17020000.pinctrl: StarFive GPIO chip registered 4 GPIOs + [ 0.559454] printk: console [ttyS0] disabled + [ 0.579948] 10000000.serial: ttyS0 at MMIO 0x10000000 (irq = 3, base_baud = 1500000) is a 16550A + [ 0.580082] printk: console [ttyS0] enabled + [ 13.642680] Freeing initrd memory: 149264K + [ 13.651051] Freeing unused kernel image (initmem) memory: 2188K + [ 13.666431] Run /init as init process + [ 13.670116] with arguments: + [ 13.673168] /init + [ 13.675488] with environment: + [ 13.678668] HOME=/ + [ 13.681038] TERM=linux + Starting syslogd: OK + Starting klogd: OK + Running sysctl: OK + Populating /dev using udev: [ 14.145944] udevd[93]: starting version 3.2.10 + [ 15.214287] random: crng init done + [ 15.240816] udevd[94]: starting eudev-3.2.10 + done + Saving random seed: OK + Starting system message bus: dbus[122]: Unknown username "pulse" in message bus configuration file + done + Starting rpcbind: OK + Starting iptables: OK + Starting bluetoothd: OK + Starting network: Waiting for interface eth0 to appear............... timeout! + run-parts: /etc/network/if-pre-up.d/wait_iface: exit status 1 + FAIL + Starting dropbear sshd: OK + Starting NFS statd: OK + Starting NFS services: OK + Starting NFS daemon: rpc.nfsd: Unable to access /proc/fs/nfsd errno 2 (No such file or directory). + Please try, as root, 'mount -t nfsd nfsd /proc/fs/nfsd' and then restart rpc.nfsd to correct the problem + FAIL + Starting NFS mountd: OK + Starting DHCP server: FAIL + + Welcome to Buildroot + buildroot login: + +Booting from SPI +---------------- + +Use Building steps from "Booting from MMC using U-Boot SPL" section. + +Partition the SPI in Linux via mtdblock. (Require to boot the board in +SD boot mode by enabling MTD block in Linux) + +Use prebuilt image from here [1], which support to partition the SPI flash. + + +Program the SPI (Require to boot the board in SD boot mode) + +Execute below steps on U-Boot proper, + +.. code-block:: none + + sf probe + fatload mmc 1:3 $kernel_addr_r u-boot.itb + sf update $kernel_addr_r 0x100000 $filesize + + fatload mmc 1:3 $kernel_addr_r u-boot-spl.bin.normal.out + sf update $kernel_addr_r 0x0 $filesize + + +Power off the board + +Change DIP switches MSEL[1:0] are set to 00, select the boot mode to flash + +Power up the board. diff --git a/include/configs/starfive-visionfive2.h b/include/configs/starfive-visionfive2.h new file mode 100644 index 0000000000..93dcc22d36 --- /dev/null +++ b/include/configs/starfive-visionfive2.h @@ -0,0 +1,49 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2022 StarFive Technology Co., Ltd. + * Author: Yanhong Wangyanhong.wang@starfivetech.com + * + */ + +#ifndef _STARFIVE_VISIONFIVE2_H +#define _STARFIVE_VISIONFIVE2_H + +#define RISCV_MMODE_TIMERBASE 0x2000000 +#define RISCV_MMODE_TIMER_FREQ 4000000 +#define RISCV_SMODE_TIMER_FREQ 4000000 + +#define __io + +/* Environment options */ + +#define BOOT_TARGET_DEVICES(func) \ + func(MMC, mmc, 1) \ + func(DHCP, dhcp, na) + +#include <config_distro_bootcmd.h> + +#define TYPE_GUID_SPL "2E54B353-1271-4842-806F-E436D6AF6985" +#define TYPE_GUID_UBOOT "BC13C2FF-59E6-4262-A352-B275FD6F7172" +#define TYPE_GUID_SYSTEM "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7" + +#define PARTS_DEFAULT \ + "name=spl,start=2M,size=2M,type=${type_guid_gpt_loader1};" \ + "name=uboot,size=4MB,type=${type_guid_gpt_loader2};" \ + "name=system,size=-,bootable,type=${type_guid_gpt_system};" + +#define CFG_EXTRA_ENV_SETTINGS \ + "kernel_addr_r=0x40200000\0" \ + "kernel_comp_addr_r=0x88000000\0" \ + "kernel_comp_size=0x4000000\0" \ + "fdt_addr_r=0x46000000\0" \ + "scriptaddr=0x43900000\0" \ + "pxefile_addr_r=0x45900000\0" \ + "ramdisk_addr_r=0x46100000\0" \ + "type_guid_gpt_loader1=" TYPE_GUID_SPL "\0" \ + "type_guid_gpt_loader2=" TYPE_GUID_UBOOT "\0" \ + "type_guid_gpt_system=" TYPE_GUID_SYSTEM "\0" \ + "partitions=" PARTS_DEFAULT "\0" \ + "fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \ + BOOTENV + +#endif /* _STARFIVE_VISIONFIVE2_H */

Add Kconfig to select the basic functions for StarFive JH7110 SoC.

Signed-off-by: Yanhong Wang yanhong.wang@starfivetech.com Tested-by: Conor Dooley conor.dooley@microchip.com --- arch/riscv/cpu/jh7110/Kconfig | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 arch/riscv/cpu/jh7110/Kconfig

diff --git a/arch/riscv/cpu/jh7110/Kconfig b/arch/riscv/cpu/jh7110/Kconfig new file mode 100644 index 0000000000..3f145415eb --- /dev/null +++ b/arch/riscv/cpu/jh7110/Kconfig @@ -0,0 +1,28 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (C) 2022 StarFive Technology Co., Ltd. + +config STARFIVE_JH7110 + bool + select ARCH_EARLY_INIT_R + select CLK_JH7110 + select CPU + select CPU_RISCV + select RAM + select RESET_JH7110 + select SUPPORT_SPL + select SPL_RAM if SPL + select SPL_STARFIVE_DDR + select PINCTRL_STARFIVE_JH7110 + imply MMC + imply MMC_BROKEN_CD + imply MMC_SPI + imply RISCV_TIMER if (RISCV_SMODE || SPL_RISCV_SMODE) + imply SIFIVE_CACHE + imply SIFIVE_CCACHE + imply SMP + imply SPI + imply SPL_CPU + imply SPL_LOAD_FIT + imply SPL_OPENSBI + imply SPL_SIFIVE_CLINT

Add board support for StarFive VisionFive v2.

Signed-off-by: Yanhong Wang yanhong.wang@starfivetech.com Tested-by: Conor Dooley conor.dooley@microchip.com --- arch/riscv/Kconfig | 5 +++++ 1 file changed, 5 insertions(+)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 48ca4ff4c4..f6ed05906a 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -24,6 +24,9 @@ config TARGET_SIFIVE_UNMATCHED bool "Support SiFive Unmatched Board" select SYS_CACHE_SHIFT_6

+config TARGET_STARFIVE_VISIONFIVE2 + bool "Support StarFive VisionFive2 Board" + config TARGET_SIPEED_MAIX bool "Support Sipeed Maix Board" select SYS_CACHE_SHIFT_6 @@ -65,12 +68,14 @@ source "board/sifive/unleashed/Kconfig" source "board/sifive/unmatched/Kconfig" source "board/openpiton/riscv64/Kconfig" source "board/sipeed/maix/Kconfig" +source "board/starfive/visionfive2/Kconfig"

# platform-specific options below source "arch/riscv/cpu/andesv5/Kconfig" source "arch/riscv/cpu/fu540/Kconfig" source "arch/riscv/cpu/fu740/Kconfig" source "arch/riscv/cpu/generic/Kconfig" +source "arch/riscv/cpu/jh7110/Kconfig"

# architecture-specific options below

Add initial u-boot device tree for the JH7110 RISC-V SoC.

Signed-off-by: Yanhong Wang yanhong.wang@starfivetech.com Tested-by: Conor Dooley conor.dooley@microchip.com --- arch/riscv/dts/jh7110-u-boot.dtsi | 99 +++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 arch/riscv/dts/jh7110-u-boot.dtsi

diff --git a/arch/riscv/dts/jh7110-u-boot.dtsi b/arch/riscv/dts/jh7110-u-boot.dtsi new file mode 100644 index 0000000000..31ca054f54 --- /dev/null +++ b/arch/riscv/dts/jh7110-u-boot.dtsi @@ -0,0 +1,99 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/* + * Copyright (C) 2022 StarFive Technology Co., Ltd. + */ + +#include <dt-bindings/reset/starfive,jh7110-crg.h> + +/ { + cpus: cpus { + u-boot,dm-spl; + + S7_0: cpu@0 { + u-boot,dm-spl; + status = "okay"; + cpu0_intc: interrupt-controller { + u-boot,dm-spl; + }; + }; + + U74_1: cpu@1 { + u-boot,dm-spl; + cpu1_intc: interrupt-controller { + u-boot,dm-spl; + }; + }; + + U74_2: cpu@2 { + u-boot,dm-spl; + cpu2_intc: interrupt-controller { + u-boot,dm-spl; + }; + }; + + U74_3: cpu@3 { + u-boot,dm-spl; + cpu3_intc: interrupt-controller { + u-boot,dm-spl; + }; + }; + + U74_4: cpu@4 { + u-boot,dm-spl; + cpu4_intc: interrupt-controller { + u-boot,dm-spl; + }; + }; + }; + + soc { + u-boot,dm-spl; + + clint: timer@2000000 { + u-boot,dm-spl; + }; + + dmc: dmc@15700000 { + u-boot,dm-spl; + compatible = "starfive,jh7110-dmc"; + reg = <0x0 0x15700000 0x0 0x10000>, + <0x0 0x13000000 0x0 0x10000>; + resets = <&syscrg JH7110_SYSRST_DDR_AXI>, + <&syscrg JH7110_SYSRST_DDR_OSC>, + <&syscrg JH7110_SYSRST_DDR_APB>; + reset-names = "axi", "osc", "apb"; + clocks = <&syscrg JH7110_SYSCLK_PLL1_OUT>; + clock-names = "pll1_out"; + clock-frequency = <2133>; + }; + }; +}; + +&osc { + u-boot,dm-spl; +}; + +&gmac0_rmii_refin { + u-boot,dm-spl; +}; + +&aoncrg { + u-boot,dm-spl; +}; + +&syscrg { + u-boot,dm-spl; + starfive,sys-syscon = <&sys_syscon>; +}; + +&stgcrg { + u-boot,dm-spl; +}; + +&sys_syscon { + u-boot,dm-spl; +}; + +&S7_0 { + status = "okay"; +};

Add initial device tree for StarFive VisionFive v2 board.

Signed-off-by: Yanhong Wang yanhong.wang@starfivetech.com Tested-by: Conor Dooley conor.dooley@microchip.com --- arch/riscv/dts/Makefile | 3 +- ...10-starfive-visionfive-2-v1.2a-u-boot.dtsi | 69 ++++ .../jh7110-starfive-visionfive-2-v1.2a.dts | 12 + ...10-starfive-visionfive-2-v1.3b-u-boot.dtsi | 69 ++++ .../jh7110-starfive-visionfive-2-v1.3b.dts | 12 + .../dts/jh7110-starfive-visionfive-2.dtsi | 319 ++++++++++++++++++ 6 files changed, 483 insertions(+), 1 deletion(-) create mode 100644 arch/riscv/dts/jh7110-starfive-visionfive-2-v1.2a-u-boot.dtsi create mode 100644 arch/riscv/dts/jh7110-starfive-visionfive-2-v1.2a.dts create mode 100644 arch/riscv/dts/jh7110-starfive-visionfive-2-v1.3b-u-boot.dtsi create mode 100644 arch/riscv/dts/jh7110-starfive-visionfive-2-v1.3b.dts create mode 100644 arch/riscv/dts/jh7110-starfive-visionfive-2.dtsi

diff --git a/arch/riscv/dts/Makefile b/arch/riscv/dts/Makefile index c576c55767..79a58694f5 100644 --- a/arch/riscv/dts/Makefile +++ b/arch/riscv/dts/Makefile @@ -7,7 +7,8 @@ dtb-$(CONFIG_TARGET_OPENPITON_RISCV64) += openpiton-riscv64.dtb dtb-$(CONFIG_TARGET_SIFIVE_UNLEASHED) += hifive-unleashed-a00.dtb dtb-$(CONFIG_TARGET_SIFIVE_UNMATCHED) += hifive-unmatched-a00.dtb dtb-$(CONFIG_TARGET_SIPEED_MAIX) += k210-maix-bit.dtb - +dtb-$(CONFIG_TARGET_STARFIVE_VISIONFIVE2) += jh7110-starfive-visionfive-2-v1.3b.dtb +dtb-$(CONFIG_TARGET_STARFIVE_VISIONFIVE2) += jh7110-starfive-visionfive-2-v1.2a.dtb include $(srctree)/scripts/Makefile.dts

targets += $(dtb-y) diff --git a/arch/riscv/dts/jh7110-starfive-visionfive-2-v1.2a-u-boot.dtsi b/arch/riscv/dts/jh7110-starfive-visionfive-2-v1.2a-u-boot.dtsi new file mode 100644 index 0000000000..0b20be0f10 --- /dev/null +++ b/arch/riscv/dts/jh7110-starfive-visionfive-2-v1.2a-u-boot.dtsi @@ -0,0 +1,69 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/* + * Copyright (C) 2022 StarFive Technology Co., Ltd. + */ + +#include "binman.dtsi" +#include "jh7110-u-boot.dtsi" +/ { + chosen { + u-boot,dm-spl; + }; + + firmware { + spi0 = &qspi; + u-boot,dm-spl; + }; + + config { + u-boot,dm-spl; + u-boot,spl-payload-offset = <0x100000>; + }; + + memory@40000000 { + u-boot,dm-spl; + }; +}; + +&uart0 { + u-boot,dm-spl; +}; + +&mmc0 { + u-boot,dm-spl; +}; + +&mmc1 { + u-boot,dm-spl; +}; + +&qspi { + u-boot,dm-spl; + + nor-flash@0 { + u-boot,dm-spl; + }; +}; + +&sysgpio { + u-boot,dm-spl; +}; + +&mmc0_pins { + u-boot,dm-spl; + mmc0-pins-rest { + u-boot,dm-spl; + }; +}; + +&mmc1_pins { + u-boot,dm-spl; + mmc1-pins0 { + u-boot,dm-spl; + }; + + mmc1-pins1 { + u-boot,dm-spl; + }; +}; + diff --git a/arch/riscv/dts/jh7110-starfive-visionfive-2-v1.2a.dts b/arch/riscv/dts/jh7110-starfive-visionfive-2-v1.2a.dts new file mode 100644 index 0000000000..b9d26d7af7 --- /dev/null +++ b/arch/riscv/dts/jh7110-starfive-visionfive-2-v1.2a.dts @@ -0,0 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/* + * Copyright (C) 2022 StarFive Technology Co., Ltd. + */ + +/dts-v1/; +#include "jh7110-starfive-visionfive-2.dtsi" + +/ { + model = "StarFive VisionFive 2 v1.2A"; + compatible = "starfive,visionfive-2-v1.2a", "starfive,jh7110"; +}; diff --git a/arch/riscv/dts/jh7110-starfive-visionfive-2-v1.3b-u-boot.dtsi b/arch/riscv/dts/jh7110-starfive-visionfive-2-v1.3b-u-boot.dtsi new file mode 100644 index 0000000000..0b20be0f10 --- /dev/null +++ b/arch/riscv/dts/jh7110-starfive-visionfive-2-v1.3b-u-boot.dtsi @@ -0,0 +1,69 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/* + * Copyright (C) 2022 StarFive Technology Co., Ltd. + */ + +#include "binman.dtsi" +#include "jh7110-u-boot.dtsi" +/ { + chosen { + u-boot,dm-spl; + }; + + firmware { + spi0 = &qspi; + u-boot,dm-spl; + }; + + config { + u-boot,dm-spl; + u-boot,spl-payload-offset = <0x100000>; + }; + + memory@40000000 { + u-boot,dm-spl; + }; +}; + +&uart0 { + u-boot,dm-spl; +}; + +&mmc0 { + u-boot,dm-spl; +}; + +&mmc1 { + u-boot,dm-spl; +}; + +&qspi { + u-boot,dm-spl; + + nor-flash@0 { + u-boot,dm-spl; + }; +}; + +&sysgpio { + u-boot,dm-spl; +}; + +&mmc0_pins { + u-boot,dm-spl; + mmc0-pins-rest { + u-boot,dm-spl; + }; +}; + +&mmc1_pins { + u-boot,dm-spl; + mmc1-pins0 { + u-boot,dm-spl; + }; + + mmc1-pins1 { + u-boot,dm-spl; + }; +}; + diff --git a/arch/riscv/dts/jh7110-starfive-visionfive-2-v1.3b.dts b/arch/riscv/dts/jh7110-starfive-visionfive-2-v1.3b.dts new file mode 100644 index 0000000000..3b3b3453a1 --- /dev/null +++ b/arch/riscv/dts/jh7110-starfive-visionfive-2-v1.3b.dts @@ -0,0 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/* + * Copyright (C) 2022 StarFive Technology Co., Ltd. + */ + +/dts-v1/; +#include "jh7110-starfive-visionfive-2.dtsi" + +/ { + model = "StarFive VisionFive 2 v1.3B"; + compatible = "starfive,visionfive-2-v1.3b", "starfive,jh7110"; +}; diff --git a/arch/riscv/dts/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/dts/jh7110-starfive-visionfive-2.dtsi new file mode 100644 index 0000000000..c6b6dfa940 --- /dev/null +++ b/arch/riscv/dts/jh7110-starfive-visionfive-2.dtsi @@ -0,0 +1,319 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/* + * Copyright (C) 2022 StarFive Technology Co., Ltd. + */ + +/dts-v1/; + +#include "jh7110.dtsi" +#include <dt-bindings/pinctrl/pinctrl-starfive-jh7110.h> +/ { + aliases { + serial0 = &uart0; + spi0 = &qspi; + mmc0 = &mmc0; + mmc1 = &mmc1; + i2c0 = &i2c0; + i2c2 = &i2c2; + i2c5 = &i2c5; + i2c6 = &i2c6; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + cpus { + timebase-frequency = <4000000>; + }; + + memory@40000000 { + device_type = "memory"; + reg = <0x0 0x40000000 0x2 0x0>; + }; +}; + +&osc { + clock-frequency = <24000000>; +}; + +&rtc_osc { + clock-frequency = <32768>; +}; + +&gmac0_rmii_refin { + clock-frequency = <50000000>; +}; + +&gmac0_rgmii_rxin { + clock-frequency = <125000000>; +}; + +&gmac1_rmii_refin { + clock-frequency = <50000000>; +}; + +&gmac1_rgmii_rxin { + clock-frequency = <125000000>; +}; + +&i2stx_bclk_ext { + clock-frequency = <12288000>; +}; + +&i2stx_lrck_ext { + clock-frequency = <192000>; +}; + +&i2srx_bclk_ext { + clock-frequency = <12288000>; +}; + +&i2srx_lrck_ext { + clock-frequency = <192000>; +}; + +&tdm_ext { + clock-frequency = <49152000>; +}; + +&mclk_ext { + clock-frequency = <12288000>; +}; + +&uart0 { + reg-offset = <0>; + current-speed = <115200>; + clock-frequency = <24000000>; + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pins>; + status = "okay"; +}; + +&i2c0 { + clock-frequency = <100000>; + i2c-sda-hold-time-ns = <300>; + i2c-sda-falling-time-ns = <510>; + i2c-scl-falling-time-ns = <510>; + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_pins>; + status = "okay"; +}; + +&i2c2 { + clock-frequency = <100000>; + i2c-sda-hold-time-ns = <300>; + i2c-sda-falling-time-ns = <510>; + i2c-scl-falling-time-ns = <510>; + pinctrl-names = "default"; + pinctrl-0 = <&i2c2_pins>; + status = "okay"; +}; + +&i2c5 { + clock-frequency = <100000>; + i2c-sda-hold-time-ns = <300>; + i2c-sda-falling-time-ns = <510>; + i2c-scl-falling-time-ns = <510>; + pinctrl-names = "default"; + pinctrl-0 = <&i2c5_pins>; + status = "okay"; +}; + +&i2c6 { + clock-frequency = <100000>; + i2c-sda-hold-time-ns = <300>; + i2c-sda-falling-time-ns = <510>; + i2c-scl-falling-time-ns = <510>; + pinctrl-names = "default"; + pinctrl-0 = <&i2c6_pins>; + status = "okay"; +}; + +&sysgpio { + status = "okay"; + uart0_pins: uart0-0 { + tx-pins { + pinmux = <GPIOMUX(5, GPOUT_SYS_UART0_TX, + GPOEN_ENABLE, + GPI_NONE)>; + bias-disable; + drive-strength = <12>; + input-disable; + input-schmitt-disable; + slew-rate = <0>; + }; + + rx-pins { + pinmux = <GPIOMUX(6, GPOUT_LOW, + GPOEN_DISABLE, + GPI_SYS_UART0_RX)>; + bias-disable; /* external pull-up */ + drive-strength = <2>; + input-enable; + input-schmitt-enable; + slew-rate = <0>; + }; + }; + + i2c0_pins: i2c0-0 { + i2c-pins { + pinmux = <GPIOMUX(57, GPOUT_LOW, + GPOEN_SYS_I2C0_CLK, + GPI_SYS_I2C0_CLK)>, + <GPIOMUX(58, GPOUT_LOW, + GPOEN_SYS_I2C0_DATA, + GPI_SYS_I2C0_DATA)>; + bias-disable; /* external pull-up */ + input-enable; + input-schmitt-enable; + }; + }; + + i2c2_pins: i2c2-0 { + i2c-pins { + pinmux = <GPIOMUX(3, GPOUT_LOW, + GPOEN_SYS_I2C2_CLK, + GPI_SYS_I2C2_CLK)>, + <GPIOMUX(2, GPOUT_LOW, + GPOEN_SYS_I2C2_DATA, + GPI_SYS_I2C2_DATA)>; + bias-disable; /* external pull-up */ + input-enable; + input-schmitt-enable; + }; + }; + + i2c5_pins: i2c5-0 { + i2c-pins { + pinmux = <GPIOMUX(19, GPOUT_LOW, + GPOEN_SYS_I2C5_CLK, + GPI_SYS_I2C5_CLK)>, + <GPIOMUX(20, GPOUT_LOW, + GPOEN_SYS_I2C5_DATA, + GPI_SYS_I2C5_DATA)>; + bias-disable; /* external pull-up */ + input-enable; + input-schmitt-enable; + }; + }; + + i2c6_pins: i2c6-0 { + i2c-pins { + pinmux = <GPIOMUX(16, GPOUT_LOW, + GPOEN_SYS_I2C6_CLK, + GPI_SYS_I2C6_CLK)>, + <GPIOMUX(17, GPOUT_LOW, + GPOEN_SYS_I2C6_DATA, + GPI_SYS_I2C6_DATA)>; + bias-disable; /* external pull-up */ + input-enable; + input-schmitt-enable; + }; + }; + + mmc0_pins: mmc0-pins { + mmc0-pins-rest { + pinmux = <GPIOMUX(62, GPOUT_SYS_SDIO0_RST, + GPOEN_ENABLE, GPI_NONE)>; + bias-pull-up; + drive-strength = <12>; + input-disable; + input-schmitt-disable; + slew-rate = <0>; + }; + }; + + mmc1_pins: mmc1-pins { + mmc1-pins0 { + pinmux = <GPIOMUX(10, GPOUT_SYS_SDIO1_CLK, + GPOEN_ENABLE, GPI_NONE)>; + bias-pull-up; + drive-strength = <12>; + input-disable; + input-schmitt-disable; + slew-rate = <0>; + }; + + mmc1-pins1 { + pinmux = <GPIOMUX(9, GPOUT_SYS_SDIO1_CMD, + GPOEN_SYS_SDIO1_CMD, GPI_SYS_SDIO1_CMD)>, + <GPIOMUX(11, GPOUT_SYS_SDIO1_DATA0, + GPOEN_SYS_SDIO1_DATA0, GPI_SYS_SDIO1_DATA0)>, + <GPIOMUX(12, GPOUT_SYS_SDIO1_DATA1, + GPOEN_SYS_SDIO1_DATA1, GPI_SYS_SDIO1_DATA1)>, + <GPIOMUX(7, GPOUT_SYS_SDIO1_DATA2, + GPOEN_SYS_SDIO1_DATA2, GPI_SYS_SDIO1_DATA2)>, + <GPIOMUX(8, GPOUT_SYS_SDIO1_DATA3, + GPOEN_SYS_SDIO1_DATA3, GPI_SYS_SDIO1_DATA3)>; + bias-pull-up; + drive-strength = <12>; + input-enable; + input-schmitt-enable; + slew-rate = <0>; + }; + }; +}; + +&mmc0 { + compatible = "snps,dw-mshc"; + max-frequency = <100000000>; + bus-width = <8>; + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_pins>; + cap-mmc-highspeed; + mmc-ddr-1_8v; + mmc-hs200-1_8v; + non-removable; + cap-mmc-hw-reset; + post-power-on-delay-ms = <200>; + status = "okay"; + +}; + +&mmc1 { + compatible = "snps,dw-mshc"; + max-frequency = <100000000>; + bus-width = <4>; + pinctrl-names = "default"; + pinctrl-0 = <&mmc1_pins>; + no-sdio; + no-mmc; + broken-cd; + cap-sd-highspeed; + post-power-on-delay-ms = <200>; + status = "okay"; +}; + +&qspi { + spi-max-frequency = <250000000>; + status = "okay"; + + nor-flash@0 { + compatible = "jedec,spi-nor"; + reg=<0>; + spi-max-frequency = <100000000>; + cdns,tshsl-ns = <1>; + cdns,tsd2d-ns = <1>; + cdns,tchsh-ns = <1>; + cdns,tslch-ns = <1>; + }; +}; + +&syscrg { + assigned-clocks = <&syscrg JH7110_SYSCLK_CPU_ROOT>, + <&syscrg JH7110_SYSCLK_BUS_ROOT>, + <&syscrg JH7110_SYSCLK_PERH_ROOT>, + <&syscrg JH7110_SYSCLK_QSPI_REF>; + assigned-clock-parents = <&syscrg JH7110_SYSCLK_PLL0_OUT>, + <&syscrg JH7110_SYSCLK_PLL2_OUT>, + <&syscrg JH7110_SYSCLK_PLL2_OUT>, + <&syscrg JH7110_SYSCLK_QSPI_REF_SRC>; + assigned-clock-rates = <0>, <0>, <0>, <0>; +}; + +&aoncrg { + assigned-clocks = <&aoncrg JH7110_AONCLK_APB_FUNC>; + assigned-clock-parents = <&osc>; + assigned-clock-rates = <0>; +};