rockchip: sysreset: merge into one common driver

Use a common driver for all Rockchip SOC instead of one for each SoC.
Use driver_data for reg offset.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

arch/arm/include/asm/arch-rockchip/clock.h

@@ -39,6 +39,11 @@ static inline int rk_pll_id(enum rk_clk_id clk_id)
 	return clk_id - 1;
 }
 
+struct sysreset_reg {
+	unsigned int glb_srst_fst_value;
+	unsigned int glb_srst_snd_value;
+};
+
 /**
  * clk_get_divisor() - Calculate the required clock divisior
  *

drivers/sysreset/sysreset_rk3036.c

@@ -1,45 +0,0 @@
-/*
- * (C) Copyright 2015 Rockchip Electronics Co., Ltd
- *
- * SPDX-License-Identifier:     GPL-2.0+
- */
-
-#include <common.h>
-#include <dm.h>
-#include <errno.h>
-#include <sysreset.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/cru_rk3036.h>
-#include <asm/arch/hardware.h>
-#include <linux/err.h>
-
-int rk3036_sysreset_request(struct udevice *dev, enum sysreset_t type)
-{
-	struct rk3036_cru *cru = rockchip_get_cru();
-
-	if (IS_ERR(cru))
-		return PTR_ERR(cru);
-	switch (type) {
-	case SYSRESET_WARM:
-		writel(0xeca8, &cru->cru_glb_srst_snd_value);
-		break;
-	case SYSRESET_COLD:
-		writel(0xfdb9, &cru->cru_glb_srst_fst_value);
-		break;
-	default:
-		return -EPROTONOSUPPORT;
-	}
-
-	return -EINPROGRESS;
-}
-
-static struct sysreset_ops rk3036_sysreset = {
-	.request	= rk3036_sysreset_request,
-};
-
-U_BOOT_DRIVER(sysreset_rk3036) = {
-	.name	= "rk3036_sysreset",
-	.id	= UCLASS_SYSRESET,
-	.ops	= &rk3036_sysreset,
-};

drivers/sysreset/sysreset_rk3188.c

@@ -1,62 +0,0 @@
-/*
- * (C) Copyright 2015 Google, Inc
- *
- * SPDX-License-Identifier:	GPL-2.0
- */
-
-#include <common.h>
-#include <dm.h>
-#include <errno.h>
-#include <syscon.h>
-#include <sysreset.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/cru_rk3188.h>
-#include <asm/arch/grf_rk3188.h>
-#include <asm/arch/hardware.h>
-#include <linux/err.h>
-
-int rk3188_sysreset_request(struct udevice *dev, enum sysreset_t type)
-{
-	struct rk3188_cru *cru = rockchip_get_cru();
-	struct rk3188_grf *grf;
-
-	if (IS_ERR(cru))
-		return PTR_ERR(cru);
-	switch (type) {
-	case SYSRESET_WARM:
-		grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
-		if (IS_ERR(grf))
-			return -EPROTONOSUPPORT;
-
-		/*
-		 * warm-reset keeps the remap value,
-		 * so make sure it's disabled.
-		 */
-		rk_clrsetreg(&grf->soc_con0,
-			NOC_REMAP_MASK << NOC_REMAP_SHIFT,
-			0 << NOC_REMAP_SHIFT);
-
-		rk_clrreg(&cru->cru_mode_con, 0xffff);
-		writel(0xeca8, &cru->cru_glb_srst_snd_value);
-		break;
-	case SYSRESET_COLD:
-		rk_clrreg(&cru->cru_mode_con, 0xffff);
-		writel(0xfdb9, &cru->cru_glb_srst_fst_value);
-		break;
-	default:
-		return -EPROTONOSUPPORT;
-	}
-
-	return -EINPROGRESS;
-}
-
-static struct sysreset_ops rk3188_sysreset = {
-	.request	= rk3188_sysreset_request,
-};
-
-U_BOOT_DRIVER(sysreset_rk3188) = {
-	.name	= "rk3188_sysreset",
-	.id	= UCLASS_SYSRESET,
-	.ops	= &rk3188_sysreset,
-};

drivers/sysreset/sysreset_rk322x.c

@@ -1,45 +0,0 @@
-/*
- * (C) Copyright 2017 Rockchip Electronics Co., Ltd
- *
- * SPDX-License-Identifier:     GPL-2.0+
- */
-
-#include <common.h>
-#include <dm.h>
-#include <errno.h>
-#include <sysreset.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/cru_rk322x.h>
-#include <asm/arch/hardware.h>
-#include <linux/err.h>
-
-int rk322x_sysreset_request(struct udevice *dev, enum sysreset_t type)
-{
-	struct rk322x_cru *cru = rockchip_get_cru();
-
-	if (IS_ERR(cru))
-		return PTR_ERR(cru);
-	switch (type) {
-	case SYSRESET_WARM:
-		writel(0xeca8, &cru->cru_glb_srst_snd_value);
-		break;
-	case SYSRESET_COLD:
-		writel(0xfdb9, &cru->cru_glb_srst_fst_value);
-		break;
-	default:
-		return -EPROTONOSUPPORT;
-	}
-
-	return -EINPROGRESS;
-}
-
-static struct sysreset_ops rk322x_sysreset = {
-	.request	= rk322x_sysreset_request,
-};
-
-U_BOOT_DRIVER(sysreset_rk322x) = {
-	.name	= "rk322x_sysreset",
-	.id	= UCLASS_SYSRESET,
-	.ops	= &rk322x_sysreset,
-};

drivers/sysreset/sysreset_rk3288.c

@@ -1,47 +0,0 @@
-/*
- * (C) Copyright 2015 Google, Inc
- *
- * SPDX-License-Identifier:	GPL-2.0
- */
-
-#include <common.h>
-#include <dm.h>
-#include <errno.h>
-#include <sysreset.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/cru_rk3288.h>
-#include <asm/arch/hardware.h>
-#include <linux/err.h>
-
-int rk3288_sysreset_request(struct udevice *dev, enum sysreset_t type)
-{
-	struct rk3288_cru *cru = rockchip_get_cru();
-
-	if (IS_ERR(cru))
-		return PTR_ERR(cru);
-	switch (type) {
-	case SYSRESET_WARM:
-		rk_clrreg(&cru->cru_mode_con, 0xffff);
-		writel(0xeca8, &cru->cru_glb_srst_snd_value);
-		break;
-	case SYSRESET_COLD:
-		rk_clrreg(&cru->cru_mode_con, 0xffff);
-		writel(0xfdb9, &cru->cru_glb_srst_fst_value);
-		break;
-	default:
-		return -EPROTONOSUPPORT;
-	}
-
-	return -EINPROGRESS;
-}
-
-static struct sysreset_ops rk3288_sysreset = {
-	.request	= rk3288_sysreset_request,
-};
-
-U_BOOT_DRIVER(sysreset_rk3288) = {
-	.name	= "rk3288_sysreset",
-	.id	= UCLASS_SYSRESET,
-	.ops	= &rk3288_sysreset,
-};

drivers/sysreset/sysreset_rk3328.c

@@ -1,45 +0,0 @@
-/*
- * (C) Copyright 2016 Rockchip Electronics Co., Ltd
- *
- * SPDX-License-Identifier:	GPL-2.0
- */
-
-#include <common.h>
-#include <dm.h>
-#include <errno.h>
-#include <sysreset.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/cru_rk3328.h>
-#include <asm/arch/hardware.h>
-#include <asm/io.h>
-#include <linux/err.h>
-
-int rk3328_sysreset_request(struct udevice *dev, enum sysreset_t type)
-{
-	struct rk3328_cru *cru = rockchip_get_cru();
-
-	if (IS_ERR(cru))
-		return PTR_ERR(cru);
-	switch (type) {
-	case SYSRESET_WARM:
-		writel(0xeca8, &cru->glb_srst_snd_value);
-		break;
-	case SYSRESET_COLD:
-		writel(0xfdb9, &cru->glb_srst_fst_value);
-		break;
-	default:
-		return -EPROTONOSUPPORT;
-	}
-
-	return -EINPROGRESS;
-}
-
-static struct sysreset_ops rk3328_sysreset = {
-	.request	= rk3328_sysreset_request,
-};
-
-U_BOOT_DRIVER(sysreset_rk3328) = {
-	.name	= "rk3328_sysreset",
-	.id	= UCLASS_SYSRESET,
-	.ops	= &rk3328_sysreset,
-};

drivers/sysreset/sysreset_rk3368.c

@@ -1,62 +0,0 @@
-/*
- * (C) Copyright Rockchip Electronics Co., Ltd
- *
- * SPDX-License-Identifier:	GPL-2.0
- */
-
-#include <common.h>
-#include <dm.h>
-#include <errno.h>
-#include <sysreset.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/cru_rk3368.h>
-#include <asm/arch/hardware.h>
-#include <linux/err.h>
-
-static void rk3368_pll_enter_slow_mode(struct rk3368_cru *cru)
-{
-	struct rk3368_pll *pll;
-	int i;
-
-	for (i = 0; i < 6; i++) {
-		pll = &cru->pll[i];
-		rk_clrreg(&pll->con3, PLL_MODE_MASK);
-	}
-}
-
-static int rk3368_sysreset_request(struct udevice *dev, enum sysreset_t type)
-{
-	struct rk3368_cru *cru = rockchip_get_cru();
-
-	if (IS_ERR(cru))
-		return PTR_ERR(cru);
-	switch (type) {
-	case SYSRESET_WARM:
-		rk3368_pll_enter_slow_mode(cru);
-		rk_clrsetreg(&cru->glb_rst_con, PMU_GLB_SRST_CTRL_MASK,
-			     PMU_RST_BY_SND_GLB_SRST << PMU_GLB_SRST_CTRL_SHIFT);
-		writel(0xeca8, &cru->glb_srst_snd_val);
-		break;
-	case SYSRESET_COLD:
-		rk3368_pll_enter_slow_mode(cru);
-		rk_clrsetreg(&cru->glb_rst_con, PMU_GLB_SRST_CTRL_MASK,
-			     PMU_RST_BY_FST_GLB_SRST << PMU_GLB_SRST_CTRL_SHIFT);
-		writel(0xfdb9, &cru->glb_srst_fst_val);
-		break;
-	default:
-		return -EPROTONOSUPPORT;
-	}
-
-	return -EINPROGRESS;
-}
-
-static struct sysreset_ops rk3368_sysreset = {
-	.request	= rk3368_sysreset_request,
-};
-
-U_BOOT_DRIVER(sysreset_rk3368) = {
-	.name	= "rk3368_sysreset",
-	.id	= UCLASS_SYSRESET,
-	.ops	= &rk3368_sysreset,
-};

drivers/sysreset/sysreset_rk3399.c

@@ -1,45 +0,0 @@
-/*
- * (C) Copyright 2016 Rockchip Electronics Co., Ltd
- *
- * SPDX-License-Identifier:	GPL-2.0
- */
-
-#include <common.h>
-#include <dm.h>
-#include <errno.h>
-#include <sysreset.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/cru_rk3399.h>
-#include <asm/arch/hardware.h>
-#include <linux/err.h>
-
-int rk3399_sysreset_request(struct udevice *dev, enum sysreset_t type)
-{
-	struct rk3399_cru *cru = rockchip_get_cru();
-
-	if (IS_ERR(cru))
-		return PTR_ERR(cru);
-	switch (type) {
-	case SYSRESET_WARM:
-		writel(0xeca8, &cru->glb_srst_snd_value);
-		break;
-	case SYSRESET_COLD:
-		writel(0xfdb9, &cru->glb_srst_fst_value);
-		break;
-	default:
-		return -EPROTONOSUPPORT;
-	}
-
-	return -EINPROGRESS;
-}
-
-static struct sysreset_ops rk3399_sysreset = {
-	.request	= rk3399_sysreset_request,
-};
-
-U_BOOT_DRIVER(sysreset_rk3399) = {
-	.name	= "rk3399_sysreset",
-	.id	= UCLASS_SYSRESET,
-	.ops	= &rk3399_sysreset,
-};

drivers/sysreset/sysreset_rockchip.c

@@ -0,0 +1,47 @@
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <sysreset.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/cru_rk3328.h>
+#include <asm/arch/hardware.h>
+#include <linux/err.h>
+
+int rockchip_sysreset_request(struct udevice *dev, enum sysreset_t type)
+{
+	struct sysreset_reg *offset = dev_get_priv(dev);
+	unsigned long cru_base = (unsigned long)rockchip_get_cru();
+
+	if (IS_ERR_VALUE(cru_base))
+		return (int)cru_base;
+
+	switch (type) {
+	case SYSRESET_WARM:
+		writel(0xeca8, cru_base + offset->glb_srst_snd_value);
+		break;
+	case SYSRESET_COLD:
+		writel(0xfdb9, cru_base + offset->glb_srst_fst_value);
+		break;
+	default:
+		return -EPROTONOSUPPORT;
+	}
+
+	return -EINPROGRESS;
+}
+
+static struct sysreset_ops rockchip_sysreset = {
+	.request	= rockchip_sysreset_request,
+};
+
+U_BOOT_DRIVER(sysreset_rockchip) = {
+	.name	= "rockchip_sysreset",
+	.id	= UCLASS_SYSRESET,
+	.ops	= &rockchip_sysreset,
+};

drivers/sysreset/sysreset_rv1108.c

@@ -1,46 +0,0 @@
-/*
- * (C) Copyright 2015 Rockchip Electronics Co., Ltd
- * Author: Andy Yan <andy.yan@rock-chips.com>
- * SPDX-License-Identifier:     GPL-2.0+
- */
-
-#include <common.h>
-#include <dm.h>
-#include <errno.h>
-#include <sysreset.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/cru_rv1108.h>
-#include <asm/arch/hardware.h>
-#include <linux/err.h>
-
-int rv1108_sysreset_request(struct udevice *dev, enum sysreset_t type)
-{
-	struct rv1108_cru *cru = rockchip_get_cru();
-
-	if (IS_ERR(cru))
-		return PTR_ERR(cru);
-
-	switch (type) {
-	case SYSRESET_WARM:
-		writel(0xeca8, &cru->glb_srst_snd_val);
-		break;
-	case SYSRESET_COLD:
-		writel(0xfdb9, &cru->glb_srst_fst_val);
-		break;
-	default:
-		return -EPROTONOSUPPORT;
-	}
-
-	return -EINPROGRESS;
-}
-
-static struct sysreset_ops rv1108_sysreset = {
-	.request	= rv1108_sysreset_request,
-};
-
-U_BOOT_DRIVER(sysreset_rv1108) = {
-	.name	= "rv1108_sysreset",
-	.id	= UCLASS_SYSRESET,
-	.ops	= &rv1108_sysreset,
-};