[PATCH 3/3] brcmnand: drop arch specific nand controller

[Philippe REYNES <philippe.reynes@softathome.com>]

> Objet: [PATCH 3/3] brcmnand: drop arch specific nand controller

> Use instead the unified bcmbca controller.
> 
> Signed-off-by: Nicolas Heemeryck <nicolas.heemeryck@gmail.com>
> Cc: Philippe Reynes <philippe.reynes@softathome.com>

Reviewed-by: Philippe Reynes <philippe.reynes@softathome.com>

> ---
> drivers/mtd/nand/raw/Kconfig | 18 ---
> drivers/mtd/nand/raw/brcmnand/Makefile | 3 -
> drivers/mtd/nand/raw/brcmnand/bcm63158_nand.c | 124 ------------------
> drivers/mtd/nand/raw/brcmnand/bcm68360_nand.c | 123 -----------------
> drivers/mtd/nand/raw/brcmnand/bcm6858_nand.c | 124 ------------------
> 5 files changed, 392 deletions(-)
> delete mode 100644 drivers/mtd/nand/raw/brcmnand/bcm63158_nand.c
> delete mode 100644 drivers/mtd/nand/raw/brcmnand/bcm68360_nand.c
> delete mode 100644 drivers/mtd/nand/raw/brcmnand/bcm6858_nand.c
> 
> diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig
> index c37e2e96c2..02e00e3fe6 100644
> --- a/drivers/mtd/nand/raw/Kconfig
> +++ b/drivers/mtd/nand/raw/Kconfig
> @@ -78,30 +78,12 @@ config NAND_BRCMNAND_6368
> help
> Enable support for broadcom nand driver on bcm6368.
> 
> -config NAND_BRCMNAND_68360
> - bool "Support Broadcom NAND controller on bcm68360"
> - depends on NAND_BRCMNAND && ARCH_BCM68360
> - help
> - Enable support for broadcom nand driver on bcm68360.
> -
> config NAND_BRCMNAND_6838
> bool "Support Broadcom NAND controller on bcm6838"
> depends on NAND_BRCMNAND && ARCH_BMIPS && SOC_BMIPS_BCM6838
> help
> Enable support for broadcom nand driver on bcm6838.
> 
> -config NAND_BRCMNAND_6858
> - bool "Support Broadcom NAND controller on bcm6858"
> - depends on NAND_BRCMNAND && ARCH_BCM6858
> - help
> - Enable support for broadcom nand driver on bcm6858.
> -
> -config NAND_BRCMNAND_63158
> - bool "Support Broadcom NAND controller on bcm63158"
> - depends on NAND_BRCMNAND && ARCH_BCM63158
> - help
> - Enable support for broadcom nand driver on bcm63158.
> -
> config NAND_BRCMNAND_BCMBCA
> bool "Support Broadcom NAND controller for BCA platforms"
> depends on NAND_BRCMNAND && (ARM64 || CPU_V7A)
> diff --git a/drivers/mtd/nand/raw/brcmnand/Makefile
> b/drivers/mtd/nand/raw/brcmnand/Makefile
> index 61203bf5ff..ad9e1d50a6 100644
> --- a/drivers/mtd/nand/raw/brcmnand/Makefile
> +++ b/drivers/mtd/nand/raw/brcmnand/Makefile
> @@ -1,10 +1,7 @@
> # SPDX-License-Identifier: GPL-2.0+
> 
> obj-$(CONFIG_NAND_BRCMNAND_6368) += bcm6368_nand.o
> -obj-$(CONFIG_NAND_BRCMNAND_63158) += bcm63158_nand.o
> -obj-$(CONFIG_NAND_BRCMNAND_68360) += bcm68360_nand.o
> obj-$(CONFIG_NAND_BRCMNAND_6838) += bcm6838_nand.o
> -obj-$(CONFIG_NAND_BRCMNAND_6858) += bcm6858_nand.o
> obj-$(CONFIG_NAND_BRCMNAND_BCMBCA) += bcmbca_nand.o
> obj-$(CONFIG_NAND_BRCMNAND) += brcmnand.o
> obj-$(CONFIG_NAND_BRCMNAND) += brcmnand_compat.o
> diff --git a/drivers/mtd/nand/raw/brcmnand/bcm63158_nand.c
> b/drivers/mtd/nand/raw/brcmnand/bcm63158_nand.c
> deleted file mode 100644
> index ea7c65a1f6..0000000000
> --- a/drivers/mtd/nand/raw/brcmnand/bcm63158_nand.c
> +++ /dev/null
> @@ -1,124 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0+
> -
> -#include <common.h>
> -#include <asm/io.h>
> -#include <memalign.h>
> -#include <nand.h>
> -#include <linux/err.h>
> -#include <linux/errno.h>
> -#include <linux/io.h>
> -#include <linux/ioport.h>
> -#include <dm.h>
> -
> -#include "brcmnand.h"
> -
> -struct bcm63158_nand_soc {
> - struct brcmnand_soc soc;
> - void __iomem *base;
> -};
> -
> -#define BCM63158_NAND_INT 0x00
> -#define BCM63158_NAND_STATUS_SHIFT 0
> -#define BCM63158_NAND_STATUS_MASK (0xfff << BCM63158_NAND_STATUS_SHIFT)
> -
> -#define BCM63158_NAND_INT_EN 0x04
> -#define BCM63158_NAND_ENABLE_SHIFT 0
> -#define BCM63158_NAND_ENABLE_MASK (0xffff << BCM63158_NAND_ENABLE_SHIFT)
> -
> -enum {
> - BCM63158_NP_READ = BIT(0),
> - BCM63158_BLOCK_ERASE = BIT(1),
> - BCM63158_COPY_BACK = BIT(2),
> - BCM63158_PAGE_PGM = BIT(3),
> - BCM63158_CTRL_READY = BIT(4),
> - BCM63158_DEV_RBPIN = BIT(5),
> - BCM63158_ECC_ERR_UNC = BIT(6),
> - BCM63158_ECC_ERR_CORR = BIT(7),
> -};
> -
> -static bool bcm63158_nand_intc_ack(struct brcmnand_soc *soc)
> -{
> - struct bcm63158_nand_soc *priv =
> - container_of(soc, struct bcm63158_nand_soc, soc);
> - void __iomem *mmio = priv->base + BCM63158_NAND_INT;
> - u32 val = brcmnand_readl(mmio);
> -
> - if (val & (BCM63158_CTRL_READY << BCM63158_NAND_STATUS_SHIFT)) {
> - /* Ack interrupt */
> - val &= ~BCM63158_NAND_STATUS_MASK;
> - val |= BCM63158_CTRL_READY << BCM63158_NAND_STATUS_SHIFT;
> - brcmnand_writel(val, mmio);
> - return true;
> - }
> -
> - return false;
> -}
> -
> -static void bcm63158_nand_intc_set(struct brcmnand_soc *soc, bool en)
> -{
> - struct bcm63158_nand_soc *priv =
> - container_of(soc, struct bcm63158_nand_soc, soc);
> - void __iomem *mmio = priv->base + BCM63158_NAND_INT_EN;
> - u32 val = brcmnand_readl(mmio);
> -
> - /* Don't ack any interrupts */
> - val &= ~BCM63158_NAND_STATUS_MASK;
> -
> - if (en)
> - val |= BCM63158_CTRL_READY << BCM63158_NAND_ENABLE_SHIFT;
> - else
> - val &= ~(BCM63158_CTRL_READY << BCM63158_NAND_ENABLE_SHIFT);
> -
> - brcmnand_writel(val, mmio);
> -}
> -
> -static int bcm63158_nand_probe(struct udevice *dev)
> -{
> - struct udevice *pdev = dev;
> - struct bcm63158_nand_soc *priv = dev_get_priv(dev);
> - struct brcmnand_soc *soc;
> - struct resource res;
> -
> - soc = &priv->soc;
> -
> - dev_read_resource_byname(pdev, "nand-int-base", &res);
> - priv->base = devm_ioremap(dev, res.start, resource_size(&res));
> - if (IS_ERR(priv->base))
> - return PTR_ERR(priv->base);
> -
> - soc->ctlrdy_ack = bcm63158_nand_intc_ack;
> - soc->ctlrdy_set_enabled = bcm63158_nand_intc_set;
> -
> - /* Disable and ack all interrupts */
> - brcmnand_writel(0, priv->base + BCM63158_NAND_INT_EN);
> - brcmnand_writel(0, priv->base + BCM63158_NAND_INT);
> -
> - return brcmnand_probe(pdev, soc);
> -}
> -
> -static const struct udevice_id bcm63158_nand_dt_ids[] = {
> - {
> - .compatible = "brcm,nand-bcm63158",
> - },
> - { /* sentinel */ }
> -};
> -
> -U_BOOT_DRIVER(bcm63158_nand) = {
> - .name = "bcm63158-nand",
> - .id = UCLASS_MTD,
> - .of_match = bcm63158_nand_dt_ids,
> - .probe = bcm63158_nand_probe,
> - .priv_auto_alloc_size = sizeof(struct bcm63158_nand_soc),
> -};
> -
> -void board_nand_init(void)
> -{
> - struct udevice *dev;
> - int ret;
> -
> - ret = uclass_get_device_by_driver(UCLASS_MTD,
> - DM_GET_DRIVER(bcm63158_nand), &dev);
> - if (ret && ret != -ENODEV)
> - pr_err("Failed to initialize %s. (error %d)\n", dev->name,
> - ret);
> -}
> diff --git a/drivers/mtd/nand/raw/brcmnand/bcm68360_nand.c
> b/drivers/mtd/nand/raw/brcmnand/bcm68360_nand.c
> deleted file mode 100644
> index 0f1a28e476..0000000000
> --- a/drivers/mtd/nand/raw/brcmnand/bcm68360_nand.c
> +++ /dev/null
> @@ -1,123 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0+
> -
> -#include <common.h>
> -#include <asm/io.h>
> -#include <memalign.h>
> -#include <nand.h>
> -#include <linux/errno.h>
> -#include <linux/io.h>
> -#include <linux/ioport.h>
> -#include <dm.h>
> -
> -#include "brcmnand.h"
> -
> -struct bcm68360_nand_soc {
> - struct brcmnand_soc soc;
> - void __iomem *base;
> -};
> -
> -#define BCM68360_NAND_INT 0x00
> -#define BCM68360_NAND_STATUS_SHIFT 0
> -#define BCM68360_NAND_STATUS_MASK (0xfff << BCM68360_NAND_STATUS_SHIFT)
> -
> -#define BCM68360_NAND_INT_EN 0x04
> -#define BCM68360_NAND_ENABLE_SHIFT 0
> -#define BCM68360_NAND_ENABLE_MASK (0xffff << BCM68360_NAND_ENABLE_SHIFT)
> -
> -enum {
> - BCM68360_NP_READ = BIT(0),
> - BCM68360_BLOCK_ERASE = BIT(1),
> - BCM68360_COPY_BACK = BIT(2),
> - BCM68360_PAGE_PGM = BIT(3),
> - BCM68360_CTRL_READY = BIT(4),
> - BCM68360_DEV_RBPIN = BIT(5),
> - BCM68360_ECC_ERR_UNC = BIT(6),
> - BCM68360_ECC_ERR_CORR = BIT(7),
> -};
> -
> -static bool bcm68360_nand_intc_ack(struct brcmnand_soc *soc)
> -{
> - struct bcm68360_nand_soc *priv =
> - container_of(soc, struct bcm68360_nand_soc, soc);
> - void __iomem *mmio = priv->base + BCM68360_NAND_INT;
> - u32 val = brcmnand_readl(mmio);
> -
> - if (val & (BCM68360_CTRL_READY << BCM68360_NAND_STATUS_SHIFT)) {
> - /* Ack interrupt */
> - val &= ~BCM68360_NAND_STATUS_MASK;
> - val |= BCM68360_CTRL_READY << BCM68360_NAND_STATUS_SHIFT;
> - brcmnand_writel(val, mmio);
> - return true;
> - }
> -
> - return false;
> -}
> -
> -static void bcm68360_nand_intc_set(struct brcmnand_soc *soc, bool en)
> -{
> - struct bcm68360_nand_soc *priv =
> - container_of(soc, struct bcm68360_nand_soc, soc);
> - void __iomem *mmio = priv->base + BCM68360_NAND_INT_EN;
> - u32 val = brcmnand_readl(mmio);
> -
> - /* Don't ack any interrupts */
> - val &= ~BCM68360_NAND_STATUS_MASK;
> -
> - if (en)
> - val |= BCM68360_CTRL_READY << BCM68360_NAND_ENABLE_SHIFT;
> - else
> - val &= ~(BCM68360_CTRL_READY << BCM68360_NAND_ENABLE_SHIFT);
> -
> - brcmnand_writel(val, mmio);
> -}
> -
> -static int bcm68360_nand_probe(struct udevice *dev)
> -{
> - struct udevice *pdev = dev;
> - struct bcm68360_nand_soc *priv = dev_get_priv(dev);
> - struct brcmnand_soc *soc;
> - struct resource res;
> -
> - soc = &priv->soc;
> -
> - dev_read_resource_byname(pdev, "nand-int-base", &res);
> - priv->base = devm_ioremap(dev, res.start, resource_size(&res));
> - if (IS_ERR(priv->base))
> - return PTR_ERR(priv->base);
> -
> - soc->ctlrdy_ack = bcm68360_nand_intc_ack;
> - soc->ctlrdy_set_enabled = bcm68360_nand_intc_set;
> -
> - /* Disable and ack all interrupts */
> - brcmnand_writel(0, priv->base + BCM68360_NAND_INT_EN);
> - brcmnand_writel(0, priv->base + BCM68360_NAND_INT);
> -
> - return brcmnand_probe(pdev, soc);
> -}
> -
> -static const struct udevice_id bcm68360_nand_dt_ids[] = {
> - {
> - .compatible = "brcm,nand-bcm68360",
> - },
> - { /* sentinel */ }
> -};
> -
> -U_BOOT_DRIVER(bcm68360_nand) = {
> - .name = "bcm68360-nand",
> - .id = UCLASS_MTD,
> - .of_match = bcm68360_nand_dt_ids,
> - .probe = bcm68360_nand_probe,
> - .priv_auto_alloc_size = sizeof(struct bcm68360_nand_soc),
> -};
> -
> -void board_nand_init(void)
> -{
> - struct udevice *dev;
> - int ret;
> -
> - ret = uclass_get_device_by_driver(UCLASS_MTD,
> - DM_GET_DRIVER(bcm68360_nand), &dev);
> - if (ret && ret != -ENODEV)
> - pr_err("Failed to initialize %s. (error %d)\n", dev->name,
> - ret);
> -}
> diff --git a/drivers/mtd/nand/raw/brcmnand/bcm6858_nand.c
> b/drivers/mtd/nand/raw/brcmnand/bcm6858_nand.c
> deleted file mode 100644
> index 6aca011db2..0000000000
> --- a/drivers/mtd/nand/raw/brcmnand/bcm6858_nand.c
> +++ /dev/null
> @@ -1,124 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0+
> -
> -#include <common.h>
> -#include <asm/io.h>
> -#include <memalign.h>
> -#include <nand.h>
> -#include <linux/err.h>
> -#include <linux/errno.h>
> -#include <linux/io.h>
> -#include <linux/ioport.h>
> -#include <dm.h>
> -
> -#include "brcmnand.h"
> -
> -struct bcm6858_nand_soc {
> - struct brcmnand_soc soc;
> - void __iomem *base;
> -};
> -
> -#define BCM6858_NAND_INT 0x00
> -#define BCM6858_NAND_STATUS_SHIFT 0
> -#define BCM6858_NAND_STATUS_MASK (0xfff << BCM6858_NAND_STATUS_SHIFT)
> -
> -#define BCM6858_NAND_INT_EN 0x04
> -#define BCM6858_NAND_ENABLE_SHIFT 0
> -#define BCM6858_NAND_ENABLE_MASK (0xffff << BCM6858_NAND_ENABLE_SHIFT)
> -
> -enum {
> - BCM6858_NP_READ = BIT(0),
> - BCM6858_BLOCK_ERASE = BIT(1),
> - BCM6858_COPY_BACK = BIT(2),
> - BCM6858_PAGE_PGM = BIT(3),
> - BCM6858_CTRL_READY = BIT(4),
> - BCM6858_DEV_RBPIN = BIT(5),
> - BCM6858_ECC_ERR_UNC = BIT(6),
> - BCM6858_ECC_ERR_CORR = BIT(7),
> -};
> -
> -static bool bcm6858_nand_intc_ack(struct brcmnand_soc *soc)
> -{
> - struct bcm6858_nand_soc *priv =
> - container_of(soc, struct bcm6858_nand_soc, soc);
> - void __iomem *mmio = priv->base + BCM6858_NAND_INT;
> - u32 val = brcmnand_readl(mmio);
> -
> - if (val & (BCM6858_CTRL_READY << BCM6858_NAND_STATUS_SHIFT)) {
> - /* Ack interrupt */
> - val &= ~BCM6858_NAND_STATUS_MASK;
> - val |= BCM6858_CTRL_READY << BCM6858_NAND_STATUS_SHIFT;
> - brcmnand_writel(val, mmio);
> - return true;
> - }
> -
> - return false;
> -}
> -
> -static void bcm6858_nand_intc_set(struct brcmnand_soc *soc, bool en)
> -{
> - struct bcm6858_nand_soc *priv =
> - container_of(soc, struct bcm6858_nand_soc, soc);
> - void __iomem *mmio = priv->base + BCM6858_NAND_INT_EN;
> - u32 val = brcmnand_readl(mmio);
> -
> - /* Don't ack any interrupts */
> - val &= ~BCM6858_NAND_STATUS_MASK;
> -
> - if (en)
> - val |= BCM6858_CTRL_READY << BCM6858_NAND_ENABLE_SHIFT;
> - else
> - val &= ~(BCM6858_CTRL_READY << BCM6858_NAND_ENABLE_SHIFT);
> -
> - brcmnand_writel(val, mmio);
> -}
> -
> -static int bcm6858_nand_probe(struct udevice *dev)
> -{
> - struct udevice *pdev = dev;
> - struct bcm6858_nand_soc *priv = dev_get_priv(dev);
> - struct brcmnand_soc *soc;
> - struct resource res;
> -
> - soc = &priv->soc;
> -
> - dev_read_resource_byname(pdev, "nand-int-base", &res);
> - priv->base = devm_ioremap(dev, res.start, resource_size(&res));
> - if (IS_ERR(priv->base))
> - return PTR_ERR(priv->base);
> -
> - soc->ctlrdy_ack = bcm6858_nand_intc_ack;
> - soc->ctlrdy_set_enabled = bcm6858_nand_intc_set;
> -
> - /* Disable and ack all interrupts */
> - brcmnand_writel(0, priv->base + BCM6858_NAND_INT_EN);
> - brcmnand_writel(0, priv->base + BCM6858_NAND_INT);
> -
> - return brcmnand_probe(pdev, soc);
> -}
> -
> -static const struct udevice_id bcm6858_nand_dt_ids[] = {
> - {
> - .compatible = "brcm,nand-bcm6858",
> - },
> - { /* sentinel */ }
> -};
> -
> -U_BOOT_DRIVER(bcm6858_nand) = {
> - .name = "bcm6858-nand",
> - .id = UCLASS_MTD,
> - .of_match = bcm6858_nand_dt_ids,
> - .probe = bcm6858_nand_probe,
> - .priv_auto_alloc_size = sizeof(struct bcm6858_nand_soc),
> -};
> -
> -void board_nand_init(void)
> -{
> - struct udevice *dev;
> - int ret;
> -
> - ret = uclass_get_device_by_driver(UCLASS_MTD,
> - DM_GET_DRIVER(bcm6858_nand), &dev);
> - if (ret && ret != -ENODEV)
> - pr_err("Failed to initialize %s. (error %d)\n", dev->name,
> - ret);
> -}
> --
> 2.20.1