| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| 503 | 98.82% | 1 | 25.00% | |
| 3 | 0.59% | 1 | 25.00% | |
| 2 | 0.39% | 1 | 25.00% | |
| 1 | 0.20% | 1 | 25.00% | |
| Total | 509 | 4 |
| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Simon Arlott | 503 | 98.82% | 1 | 25.00% |
| caihuoqing | 3 | 0.59% | 1 | 25.00% |
| Thomas Gleixner | 2 | 0.39% | 1 | 25.00% |
| Uwe Kleine-König | 1 | 0.20% | 1 | 25.00% |
| Total | 509 | 4 |
// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2015 Simon Arlott * * Derived from bcm63138_nand.c: * Copyright © 2015 Broadcom Corporation * * Derived from bcm963xx_4.12L.06B_consumer/shared/opensource/include/bcm963xx/63268_map_part.h: * Copyright 2000-2010 Broadcom Corporation * * Derived from bcm963xx_4.12L.06B_consumer/shared/opensource/flash/nandflash.c: * Copyright 2000-2010 Broadcom Corporation */ #include <linux/device.h> #include <linux/io.h> #include <linux/ioport.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/platform_device.h> #include <linux/slab.h> #include "brcmnand.h" struct bcm6368_nand_soc { struct brcmnand_soc soc; void __iomem *base; }; #define BCM6368_NAND_INT 0x00 #define BCM6368_NAND_STATUS_SHIFT 0 #define BCM6368_NAND_STATUS_MASK (0xfff << BCM6368_NAND_STATUS_SHIFT) #define BCM6368_NAND_ENABLE_SHIFT 16 #define BCM6368_NAND_ENABLE_MASK (0xffff << BCM6368_NAND_ENABLE_SHIFT) #define BCM6368_NAND_BASE_ADDR0 0x04 #define BCM6368_NAND_BASE_ADDR1 0x0c enum { BCM6368_NP_READ = BIT(0), BCM6368_BLOCK_ERASE = BIT(1), BCM6368_COPY_BACK = BIT(2), BCM6368_PAGE_PGM = BIT(3), BCM6368_CTRL_READY = BIT(4), BCM6368_DEV_RBPIN = BIT(5), BCM6368_ECC_ERR_UNC = BIT(6), BCM6368_ECC_ERR_CORR = BIT(7), }; static bool bcm6368_nand_intc_ack(struct brcmnand_soc *soc) { struct bcm6368_nand_soc *priv = container_of(soc, struct bcm6368_nand_soc, soc); void __iomem *mmio = priv->base + BCM6368_NAND_INT; u32 val = brcmnand_readl(mmio); if (val & (BCM6368_CTRL_READY << BCM6368_NAND_STATUS_SHIFT)) { /* Ack interrupt */ val &= ~BCM6368_NAND_STATUS_MASK; val |= BCM6368_CTRL_READY << BCM6368_NAND_STATUS_SHIFT; brcmnand_writel(val, mmio); return true; } return false; } static void bcm6368_nand_intc_set(struct brcmnand_soc *soc, bool en) { struct bcm6368_nand_soc *priv = container_of(soc, struct bcm6368_nand_soc, soc); void __iomem *mmio = priv->base + BCM6368_NAND_INT; u32 val = brcmnand_readl(mmio); /* Don't ack any interrupts */ val &= ~BCM6368_NAND_STATUS_MASK; if (en) val |= BCM6368_CTRL_READY << BCM6368_NAND_ENABLE_SHIFT; else val &= ~(BCM6368_CTRL_READY << BCM6368_NAND_ENABLE_SHIFT); brcmnand_writel(val, mmio); } static int bcm6368_nand_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct bcm6368_nand_soc *priv; struct brcmnand_soc *soc; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; soc = &priv->soc; priv->base = devm_platform_ioremap_resource_byname(pdev, "nand-int-base"); if (IS_ERR(priv->base)) return PTR_ERR(priv->base); soc->ctlrdy_ack = bcm6368_nand_intc_ack; soc->ctlrdy_set_enabled = bcm6368_nand_intc_set; /* Disable and ack all interrupts */ brcmnand_writel(0, priv->base + BCM6368_NAND_INT); brcmnand_writel(BCM6368_NAND_STATUS_MASK, priv->base + BCM6368_NAND_INT); return brcmnand_probe(pdev, soc); } static const struct of_device_id bcm6368_nand_of_match[] = { { .compatible = "brcm,nand-bcm6368" }, {}, }; MODULE_DEVICE_TABLE(of, bcm6368_nand_of_match); static struct platform_driver bcm6368_nand_driver = { .probe = bcm6368_nand_probe, .remove_new = brcmnand_remove, .driver = { .name = "bcm6368_nand", .pm = &brcmnand_pm_ops, .of_match_table = bcm6368_nand_of_match, } }; module_platform_driver(bcm6368_nand_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Simon Arlott"); MODULE_DESCRIPTION("NAND driver for BCM6368");