From patchwork Thu Feb 20 12:18:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Heemeryck X-Patchwork-Id: 236645 List-Id: U-Boot discussion From: nicolas.heemeryck at gmail.com (Nicolas Heemeryck) Date: Thu, 20 Feb 2020 13:18:06 +0100 Subject: [PATCH 1/3] nand: brcmnand: add bcmbca support In-Reply-To: <20200220121808.15970-1-nicolas.heemeryck@gmail.com> References: <20200220121808.15970-1-nicolas.heemeryck@gmail.com> Message-ID: <20200220121808.15970-2-nicolas.heemeryck@gmail.com> Almost all Broadcom BCA (Broadband Carrier Access) platforms based on ARM use the same nand controller. So rather than adding a bcm6xxx_nand.c per Broadcom SoC, use a unified nand controller based on the existing one and selectable through NAND_BRCMNAND_BCMBCA. The bcmbca controller should support all ARM based bcm63xxx, bcm68xx, bcm67xx and bcm490x SoCs. Signed-off-by: Nicolas Heemeryck Cc: Philippe Reynes Reviewed-by: Philippe Reynes --- drivers/mtd/nand/raw/Kconfig | 6 + drivers/mtd/nand/raw/brcmnand/Makefile | 1 + drivers/mtd/nand/raw/brcmnand/bcmbca_nand.c | 124 ++++++++++++++++++++ 3 files changed, 131 insertions(+) create mode 100644 drivers/mtd/nand/raw/brcmnand/bcmbca_nand.c diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig index 23201ca720..c37e2e96c2 100644 --- a/drivers/mtd/nand/raw/Kconfig +++ b/drivers/mtd/nand/raw/Kconfig @@ -102,6 +102,12 @@ config NAND_BRCMNAND_63158 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) + help + Enable support for broadcom nand driver for BCA platforms. + config NAND_DAVINCI bool "Support TI Davinci NAND controller" help diff --git a/drivers/mtd/nand/raw/brcmnand/Makefile b/drivers/mtd/nand/raw/brcmnand/Makefile index 5d9e7e3f3b..61203bf5ff 100644 --- a/drivers/mtd/nand/raw/brcmnand/Makefile +++ b/drivers/mtd/nand/raw/brcmnand/Makefile @@ -5,5 +5,6 @@ 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/bcmbca_nand.c b/drivers/mtd/nand/raw/brcmnand/bcmbca_nand.c new file mode 100644 index 0000000000..91b0a33397 --- /dev/null +++ b/drivers/mtd/nand/raw/brcmnand/bcmbca_nand.c @@ -0,0 +1,124 @@ +// SPDX-License-Identifier: GPL-2.0+ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "brcmnand.h" + +struct bcmbca_nand_soc { + struct brcmnand_soc soc; + void __iomem *base; +}; + +#define BCMBCA_NAND_INT 0x00 +#define BCMBCA_NAND_STATUS_SHIFT 0 +#define BCMBCA_NAND_STATUS_MASK (0xfff << BCMBCA_NAND_STATUS_SHIFT) + +#define BCMBCA_NAND_INT_EN 0x04 +#define BCMBCA_NAND_ENABLE_SHIFT 0 +#define BCMBCA_NAND_ENABLE_MASK (0xffff << BCMBCA_NAND_ENABLE_SHIFT) + +enum { + BCMBCA_NP_READ = BIT(0), + BCMBCA_BLOCK_ERASE = BIT(1), + BCMBCA_COPY_BACK = BIT(2), + BCMBCA_PAGE_PGM = BIT(3), + BCMBCA_CTRL_READY = BIT(4), + BCMBCA_DEV_RBPIN = BIT(5), + BCMBCA_ECC_ERR_UNC = BIT(6), + BCMBCA_ECC_ERR_CORR = BIT(7), +}; + +static bool bcmbca_nand_intc_ack(struct brcmnand_soc *soc) +{ + struct bcmbca_nand_soc *priv = + container_of(soc, struct bcmbca_nand_soc, soc); + void __iomem *mmio = priv->base + BCMBCA_NAND_INT; + u32 val = brcmnand_readl(mmio); + + if (val & (BCMBCA_CTRL_READY << BCMBCA_NAND_STATUS_SHIFT)) { + /* Ack interrupt */ + val &= ~BCMBCA_NAND_STATUS_MASK; + val |= BCMBCA_CTRL_READY << BCMBCA_NAND_STATUS_SHIFT; + brcmnand_writel(val, mmio); + return true; + } + + return false; +} + +static void bcmbca_nand_intc_set(struct brcmnand_soc *soc, bool en) +{ + struct bcmbca_nand_soc *priv = + container_of(soc, struct bcmbca_nand_soc, soc); + void __iomem *mmio = priv->base + BCMBCA_NAND_INT_EN; + u32 val = brcmnand_readl(mmio); + + /* Don't ack any interrupts */ + val &= ~BCMBCA_NAND_STATUS_MASK; + + if (en) + val |= BCMBCA_CTRL_READY << BCMBCA_NAND_ENABLE_SHIFT; + else + val &= ~(BCMBCA_CTRL_READY << BCMBCA_NAND_ENABLE_SHIFT); + + brcmnand_writel(val, mmio); +} + +static int bcmbca_nand_probe(struct udevice *dev) +{ + struct udevice *pdev = dev; + struct bcmbca_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 = bcmbca_nand_intc_ack; + soc->ctlrdy_set_enabled = bcmbca_nand_intc_set; + + /* Disable and ack all interrupts */ + brcmnand_writel(0, priv->base + BCMBCA_NAND_INT_EN); + brcmnand_writel(0, priv->base + BCMBCA_NAND_INT); + + return brcmnand_probe(pdev, soc); +} + +static const struct udevice_id bcmbca_nand_dt_ids[] = { + { .compatible = "brcm,nand-bcmbca" }, + { .compatible = "brcm,nand-bcm63158" }, + { .compatible = "brcm,nand-bcm68360" }, + { .compatible = "brcm,nand-bcm6858" }, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(bcmbca_nand) = { + .name = "bcmbca-nand", + .id = UCLASS_MTD, + .of_match = bcmbca_nand_dt_ids, + .probe = bcmbca_nand_probe, + .priv_auto_alloc_size = sizeof(struct bcmbca_nand_soc), +}; + +void board_nand_init(void) +{ + struct udevice *dev; + int ret; + + ret = uclass_get_device_by_driver(UCLASS_MTD, + DM_GET_DRIVER(bcmbca_nand), &dev); + if (ret && ret != -ENODEV) + pr_err("Failed to initialize %s. (error %d)\n", dev->name, + ret); +} From patchwork Thu Feb 20 12:18:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Heemeryck X-Patchwork-Id: 236646 List-Id: U-Boot discussion From: nicolas.heemeryck at gmail.com (Nicolas Heemeryck) Date: Thu, 20 Feb 2020 13:18:07 +0100 Subject: [PATCH 2/3] configs: use unified bcmbca nand controller In-Reply-To: <20200220121808.15970-1-nicolas.heemeryck@gmail.com> References: <20200220121808.15970-1-nicolas.heemeryck@gmail.com> Message-ID: <20200220121808.15970-3-nicolas.heemeryck@gmail.com> Signed-off-by: Nicolas Heemeryck Cc: Philippe Reynes Reviewed-by: Philippe Reynes --- configs/bcm963158_ram_defconfig | 2 +- configs/bcm968360bg_ram_defconfig | 2 +- configs/bcm968580xref_ram_defconfig | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/configs/bcm963158_ram_defconfig b/configs/bcm963158_ram_defconfig index 5cf32d52cf..91722384f8 100644 --- a/configs/bcm963158_ram_defconfig +++ b/configs/bcm963158_ram_defconfig @@ -40,7 +40,7 @@ CONFIG_MTD=y CONFIG_DM_MTD=y CONFIG_MTD_RAW_NAND=y CONFIG_NAND_BRCMNAND=y -CONFIG_NAND_BRCMNAND_63158=y +CONFIG_NAND_BRCMNAND_BCMBCA=y CONFIG_DM_SPI_FLASH=y CONFIG_SPI_FLASH_MACRONIX=y CONFIG_SPECIFY_CONSOLE_INDEX=y diff --git a/configs/bcm968360bg_ram_defconfig b/configs/bcm968360bg_ram_defconfig index bc3134ff29..e0fe8fa7fe 100644 --- a/configs/bcm968360bg_ram_defconfig +++ b/configs/bcm968360bg_ram_defconfig @@ -36,7 +36,7 @@ CONFIG_MTD=y CONFIG_DM_MTD=y CONFIG_MTD_RAW_NAND=y CONFIG_NAND_BRCMNAND=y -CONFIG_NAND_BRCMNAND_68360=y +CONFIG_NAND_BRCMNAND_BCMBCA=y CONFIG_DM_SPI_FLASH=y CONFIG_SPI_FLASH_SFDP_SUPPORT=y CONFIG_SPI_FLASH_MACRONIX=y diff --git a/configs/bcm968580xref_ram_defconfig b/configs/bcm968580xref_ram_defconfig index c158a7c47c..9cc527d2ce 100644 --- a/configs/bcm968580xref_ram_defconfig +++ b/configs/bcm968580xref_ram_defconfig @@ -36,7 +36,7 @@ CONFIG_MTD=y CONFIG_DM_MTD=y CONFIG_MTD_RAW_NAND=y CONFIG_NAND_BRCMNAND=y -CONFIG_NAND_BRCMNAND_6858=y +CONFIG_NAND_BRCMNAND_BCMBCA=y CONFIG_DM_SPI_FLASH=y CONFIG_SPI_FLASH_SFDP_SUPPORT=y CONFIG_SPI_FLASH_MACRONIX=y From patchwork Thu Feb 20 12:18:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Heemeryck X-Patchwork-Id: 236647 List-Id: U-Boot discussion From: nicolas.heemeryck at gmail.com (Nicolas Heemeryck) Date: Thu, 20 Feb 2020 13:18:08 +0100 Subject: [PATCH 3/3] brcmnand: drop arch specific nand controller In-Reply-To: <20200220121808.15970-1-nicolas.heemeryck@gmail.com> References: <20200220121808.15970-1-nicolas.heemeryck@gmail.com> Message-ID: <20200220121808.15970-4-nicolas.heemeryck@gmail.com> Use instead the unified bcmbca controller. Signed-off-by: Nicolas Heemeryck Cc: Philippe Reynes Reviewed-by: Philippe Reynes --- 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 -#include -#include -#include -#include -#include -#include -#include -#include - -#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 -#include -#include -#include -#include -#include -#include -#include - -#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 -#include -#include -#include -#include -#include -#include -#include -#include - -#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); -}