forked from mirrors/linux
		
	mtd/ifc: Add support for IFC controller version 2.0
The new IFC controller version 2.0 has a different memory map page. Upto IFC 1.4 PAGE size is 4 KB and from IFC2.0 PAGE size is 64KB. This patch segregates the IFC global and runtime registers to appropriate PAGE sizes. Signed-off-by: Jaiprakash Singh <b44839@freescale.com> Signed-off-by: Raghav Dogra <raghav@freescale.com> Acked-by: Li Yang <leoyang.li@nxp.com> Signed-off-by: Raghav Dogra <raghav.dogra@nxp.com> Acked-by: Scott Wood <oss@buserror.net> Acked-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
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						7a65417216
					
				
					 3 changed files with 87 additions and 66 deletions
				
			
		| 
						 | 
					@ -59,11 +59,11 @@ int fsl_ifc_find(phys_addr_t addr_base)
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{
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					{
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	int i = 0;
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						int i = 0;
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	if (!fsl_ifc_ctrl_dev || !fsl_ifc_ctrl_dev->regs)
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						if (!fsl_ifc_ctrl_dev || !fsl_ifc_ctrl_dev->gregs)
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		return -ENODEV;
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							return -ENODEV;
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	for (i = 0; i < fsl_ifc_ctrl_dev->banks; i++) {
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						for (i = 0; i < fsl_ifc_ctrl_dev->banks; i++) {
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		u32 cspr = ifc_in32(&fsl_ifc_ctrl_dev->regs->cspr_cs[i].cspr);
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							u32 cspr = ifc_in32(&fsl_ifc_ctrl_dev->gregs->cspr_cs[i].cspr);
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		if (cspr & CSPR_V && (cspr & CSPR_BA) ==
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							if (cspr & CSPR_V && (cspr & CSPR_BA) ==
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				convert_ifc_address(addr_base))
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									convert_ifc_address(addr_base))
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			return i;
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								return i;
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					@ -75,7 +75,7 @@ EXPORT_SYMBOL(fsl_ifc_find);
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static int fsl_ifc_ctrl_init(struct fsl_ifc_ctrl *ctrl)
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					static int fsl_ifc_ctrl_init(struct fsl_ifc_ctrl *ctrl)
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{
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					{
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	struct fsl_ifc_regs __iomem *ifc = ctrl->regs;
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						struct fsl_ifc_global __iomem *ifc = ctrl->gregs;
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	/*
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						/*
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	 * Clear all the common status and event registers
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						 * Clear all the common status and event registers
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						 | 
					@ -104,7 +104,7 @@ static int fsl_ifc_ctrl_remove(struct platform_device *dev)
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	irq_dispose_mapping(ctrl->nand_irq);
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						irq_dispose_mapping(ctrl->nand_irq);
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	irq_dispose_mapping(ctrl->irq);
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						irq_dispose_mapping(ctrl->irq);
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	iounmap(ctrl->regs);
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						iounmap(ctrl->gregs);
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	dev_set_drvdata(&dev->dev, NULL);
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						dev_set_drvdata(&dev->dev, NULL);
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	kfree(ctrl);
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						kfree(ctrl);
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					@ -122,7 +122,7 @@ static DEFINE_SPINLOCK(nand_irq_lock);
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static u32 check_nand_stat(struct fsl_ifc_ctrl *ctrl)
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					static u32 check_nand_stat(struct fsl_ifc_ctrl *ctrl)
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{
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					{
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	struct fsl_ifc_regs __iomem *ifc = ctrl->regs;
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						struct fsl_ifc_runtime __iomem *ifc = ctrl->rregs;
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	unsigned long flags;
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						unsigned long flags;
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	u32 stat;
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						u32 stat;
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						 | 
					@ -157,7 +157,7 @@ static irqreturn_t fsl_ifc_nand_irq(int irqno, void *data)
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static irqreturn_t fsl_ifc_ctrl_irq(int irqno, void *data)
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					static irqreturn_t fsl_ifc_ctrl_irq(int irqno, void *data)
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{
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					{
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	struct fsl_ifc_ctrl *ctrl = data;
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						struct fsl_ifc_ctrl *ctrl = data;
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	struct fsl_ifc_regs __iomem *ifc = ctrl->regs;
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						struct fsl_ifc_global __iomem *ifc = ctrl->gregs;
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	u32 err_axiid, err_srcid, status, cs_err, err_addr;
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						u32 err_axiid, err_srcid, status, cs_err, err_addr;
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	irqreturn_t ret = IRQ_NONE;
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						irqreturn_t ret = IRQ_NONE;
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					@ -215,6 +215,7 @@ static int fsl_ifc_ctrl_probe(struct platform_device *dev)
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{
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					{
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	int ret = 0;
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						int ret = 0;
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	int version, banks;
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						int version, banks;
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						void __iomem *addr;
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	dev_info(&dev->dev, "Freescale Integrated Flash Controller\n");
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						dev_info(&dev->dev, "Freescale Integrated Flash Controller\n");
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					@ -225,22 +226,13 @@ static int fsl_ifc_ctrl_probe(struct platform_device *dev)
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	dev_set_drvdata(&dev->dev, fsl_ifc_ctrl_dev);
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						dev_set_drvdata(&dev->dev, fsl_ifc_ctrl_dev);
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	/* IOMAP the entire IFC region */
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						/* IOMAP the entire IFC region */
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	fsl_ifc_ctrl_dev->regs = of_iomap(dev->dev.of_node, 0);
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						fsl_ifc_ctrl_dev->gregs = of_iomap(dev->dev.of_node, 0);
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	if (!fsl_ifc_ctrl_dev->regs) {
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						if (!fsl_ifc_ctrl_dev->gregs) {
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		dev_err(&dev->dev, "failed to get memory region\n");
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							dev_err(&dev->dev, "failed to get memory region\n");
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		ret = -ENODEV;
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							ret = -ENODEV;
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		goto err;
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							goto err;
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	}
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						}
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	version = ifc_in32(&fsl_ifc_ctrl_dev->regs->ifc_rev) &
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			FSL_IFC_VERSION_MASK;
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	banks = (version == FSL_IFC_VERSION_1_0_0) ? 4 : 8;
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	dev_info(&dev->dev, "IFC version %d.%d, %d banks\n",
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		version >> 24, (version >> 16) & 0xf, banks);
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	fsl_ifc_ctrl_dev->version = version;
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	fsl_ifc_ctrl_dev->banks = banks;
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	if (of_property_read_bool(dev->dev.of_node, "little-endian")) {
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						if (of_property_read_bool(dev->dev.of_node, "little-endian")) {
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		fsl_ifc_ctrl_dev->little_endian = true;
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							fsl_ifc_ctrl_dev->little_endian = true;
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		dev_dbg(&dev->dev, "IFC REGISTERS are LITTLE endian\n");
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							dev_dbg(&dev->dev, "IFC REGISTERS are LITTLE endian\n");
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					@ -249,8 +241,9 @@ static int fsl_ifc_ctrl_probe(struct platform_device *dev)
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		dev_dbg(&dev->dev, "IFC REGISTERS are BIG endian\n");
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							dev_dbg(&dev->dev, "IFC REGISTERS are BIG endian\n");
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	}
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						}
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	version = ioread32be(&fsl_ifc_ctrl_dev->regs->ifc_rev) &
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						version = ifc_in32(&fsl_ifc_ctrl_dev->gregs->ifc_rev) &
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			FSL_IFC_VERSION_MASK;
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								FSL_IFC_VERSION_MASK;
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	banks = (version == FSL_IFC_VERSION_1_0_0) ? 4 : 8;
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						banks = (version == FSL_IFC_VERSION_1_0_0) ? 4 : 8;
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	dev_info(&dev->dev, "IFC version %d.%d, %d banks\n",
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						dev_info(&dev->dev, "IFC version %d.%d, %d banks\n",
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		version >> 24, (version >> 16) & 0xf, banks);
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							version >> 24, (version >> 16) & 0xf, banks);
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					@ -258,6 +251,13 @@ static int fsl_ifc_ctrl_probe(struct platform_device *dev)
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	fsl_ifc_ctrl_dev->version = version;
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						fsl_ifc_ctrl_dev->version = version;
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	fsl_ifc_ctrl_dev->banks = banks;
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						fsl_ifc_ctrl_dev->banks = banks;
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						addr = fsl_ifc_ctrl_dev->gregs;
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						if (version >= FSL_IFC_VERSION_2_0_0)
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							addr += PGOFFSET_64K;
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						else
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							addr += PGOFFSET_4K;
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						fsl_ifc_ctrl_dev->rregs = addr;
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	/* get the Controller level irq */
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						/* get the Controller level irq */
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	fsl_ifc_ctrl_dev->irq = irq_of_parse_and_map(dev->dev.of_node, 0);
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						fsl_ifc_ctrl_dev->irq = irq_of_parse_and_map(dev->dev.of_node, 0);
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	if (fsl_ifc_ctrl_dev->irq == 0) {
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						if (fsl_ifc_ctrl_dev->irq == 0) {
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					@ -232,7 +232,7 @@ static void set_addr(struct mtd_info *mtd, int column, int page_addr, int oob)
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	struct nand_chip *chip = mtd_to_nand(mtd);
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						struct nand_chip *chip = mtd_to_nand(mtd);
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	struct fsl_ifc_mtd *priv = nand_get_controller_data(chip);
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						struct fsl_ifc_mtd *priv = nand_get_controller_data(chip);
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	struct fsl_ifc_ctrl *ctrl = priv->ctrl;
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						struct fsl_ifc_ctrl *ctrl = priv->ctrl;
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	struct fsl_ifc_regs __iomem *ifc = ctrl->regs;
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						struct fsl_ifc_runtime __iomem *ifc = ctrl->rregs;
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	int buf_num;
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						int buf_num;
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	ifc_nand_ctrl->page = page_addr;
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						ifc_nand_ctrl->page = page_addr;
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					@ -295,7 +295,7 @@ static void fsl_ifc_run_command(struct mtd_info *mtd)
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	struct fsl_ifc_mtd *priv = nand_get_controller_data(chip);
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						struct fsl_ifc_mtd *priv = nand_get_controller_data(chip);
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	struct fsl_ifc_ctrl *ctrl = priv->ctrl;
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						struct fsl_ifc_ctrl *ctrl = priv->ctrl;
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	struct fsl_ifc_nand_ctrl *nctrl = ifc_nand_ctrl;
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						struct fsl_ifc_nand_ctrl *nctrl = ifc_nand_ctrl;
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	struct fsl_ifc_regs __iomem *ifc = ctrl->regs;
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						struct fsl_ifc_runtime __iomem *ifc = ctrl->rregs;
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	u32 eccstat[4];
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						u32 eccstat[4];
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	int i;
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						int i;
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					@ -371,7 +371,7 @@ static void fsl_ifc_do_read(struct nand_chip *chip,
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{
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					{
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	struct fsl_ifc_mtd *priv = nand_get_controller_data(chip);
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						struct fsl_ifc_mtd *priv = nand_get_controller_data(chip);
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	struct fsl_ifc_ctrl *ctrl = priv->ctrl;
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						struct fsl_ifc_ctrl *ctrl = priv->ctrl;
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	struct fsl_ifc_regs __iomem *ifc = ctrl->regs;
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						struct fsl_ifc_runtime __iomem *ifc = ctrl->rregs;
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	/* Program FIR/IFC_NAND_FCR0 for Small/Large page */
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						/* Program FIR/IFC_NAND_FCR0 for Small/Large page */
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	if (mtd->writesize > 512) {
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						if (mtd->writesize > 512) {
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					@ -411,7 +411,7 @@ static void fsl_ifc_cmdfunc(struct mtd_info *mtd, unsigned int command,
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	struct nand_chip *chip = mtd_to_nand(mtd);
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						struct nand_chip *chip = mtd_to_nand(mtd);
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	struct fsl_ifc_mtd *priv = nand_get_controller_data(chip);
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						struct fsl_ifc_mtd *priv = nand_get_controller_data(chip);
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	struct fsl_ifc_ctrl *ctrl = priv->ctrl;
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						struct fsl_ifc_ctrl *ctrl = priv->ctrl;
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	struct fsl_ifc_regs __iomem *ifc = ctrl->regs;
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						struct fsl_ifc_runtime __iomem *ifc = ctrl->rregs;
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	/* clear the read buffer */
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						/* clear the read buffer */
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	ifc_nand_ctrl->read_bytes = 0;
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						ifc_nand_ctrl->read_bytes = 0;
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					@ -723,7 +723,7 @@ static int fsl_ifc_wait(struct mtd_info *mtd, struct nand_chip *chip)
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{
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					{
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	struct fsl_ifc_mtd *priv = nand_get_controller_data(chip);
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						struct fsl_ifc_mtd *priv = nand_get_controller_data(chip);
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	struct fsl_ifc_ctrl *ctrl = priv->ctrl;
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						struct fsl_ifc_ctrl *ctrl = priv->ctrl;
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	struct fsl_ifc_regs __iomem *ifc = ctrl->regs;
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						struct fsl_ifc_runtime __iomem *ifc = ctrl->rregs;
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	u32 nand_fsr;
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						u32 nand_fsr;
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	/* Use READ_STATUS command, but wait for the device to be ready */
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						/* Use READ_STATUS command, but wait for the device to be ready */
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						 | 
					@ -825,39 +825,42 @@ static int fsl_ifc_chip_init_tail(struct mtd_info *mtd)
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static void fsl_ifc_sram_init(struct fsl_ifc_mtd *priv)
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					static void fsl_ifc_sram_init(struct fsl_ifc_mtd *priv)
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{
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					{
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	struct fsl_ifc_ctrl *ctrl = priv->ctrl;
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						struct fsl_ifc_ctrl *ctrl = priv->ctrl;
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	struct fsl_ifc_regs __iomem *ifc = ctrl->regs;
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						struct fsl_ifc_runtime __iomem *ifc_runtime = ctrl->rregs;
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						struct fsl_ifc_global __iomem *ifc_global = ctrl->gregs;
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	uint32_t csor = 0, csor_8k = 0, csor_ext = 0;
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						uint32_t csor = 0, csor_8k = 0, csor_ext = 0;
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	uint32_t cs = priv->bank;
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						uint32_t cs = priv->bank;
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	/* Save CSOR and CSOR_ext */
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						/* Save CSOR and CSOR_ext */
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	csor = ifc_in32(&ifc->csor_cs[cs].csor);
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						csor = ifc_in32(&ifc_global->csor_cs[cs].csor);
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	csor_ext = ifc_in32(&ifc->csor_cs[cs].csor_ext);
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						csor_ext = ifc_in32(&ifc_global->csor_cs[cs].csor_ext);
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	/* chage PageSize 8K and SpareSize 1K*/
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						/* chage PageSize 8K and SpareSize 1K*/
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	csor_8k = (csor & ~(CSOR_NAND_PGS_MASK)) | 0x0018C000;
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						csor_8k = (csor & ~(CSOR_NAND_PGS_MASK)) | 0x0018C000;
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	ifc_out32(csor_8k, &ifc->csor_cs[cs].csor);
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						ifc_out32(csor_8k, &ifc_global->csor_cs[cs].csor);
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	ifc_out32(0x0000400, &ifc->csor_cs[cs].csor_ext);
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						ifc_out32(0x0000400, &ifc_global->csor_cs[cs].csor_ext);
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	/* READID */
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						/* READID */
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	ifc_out32((IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
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						ifc_out32((IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
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		    (IFC_FIR_OP_UA  << IFC_NAND_FIR0_OP1_SHIFT) |
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							    (IFC_FIR_OP_UA  << IFC_NAND_FIR0_OP1_SHIFT) |
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		    (IFC_FIR_OP_RB << IFC_NAND_FIR0_OP2_SHIFT),
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							    (IFC_FIR_OP_RB << IFC_NAND_FIR0_OP2_SHIFT),
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		  &ifc->ifc_nand.nand_fir0);
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							    &ifc_runtime->ifc_nand.nand_fir0);
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	ifc_out32(NAND_CMD_READID << IFC_NAND_FCR0_CMD0_SHIFT,
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						ifc_out32(NAND_CMD_READID << IFC_NAND_FCR0_CMD0_SHIFT,
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		  &ifc->ifc_nand.nand_fcr0);
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							    &ifc_runtime->ifc_nand.nand_fcr0);
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	ifc_out32(0x0, &ifc->ifc_nand.row3);
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						ifc_out32(0x0, &ifc_runtime->ifc_nand.row3);
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	ifc_out32(0x0, &ifc->ifc_nand.nand_fbcr);
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						ifc_out32(0x0, &ifc_runtime->ifc_nand.nand_fbcr);
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	/* Program ROW0/COL0 */
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						/* Program ROW0/COL0 */
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	ifc_out32(0x0, &ifc->ifc_nand.row0);
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						ifc_out32(0x0, &ifc_runtime->ifc_nand.row0);
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	ifc_out32(0x0, &ifc->ifc_nand.col0);
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						ifc_out32(0x0, &ifc_runtime->ifc_nand.col0);
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	/* set the chip select for NAND Transaction */
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						/* set the chip select for NAND Transaction */
 | 
				
			||||||
	ifc_out32(cs << IFC_NAND_CSEL_SHIFT, &ifc->ifc_nand.nand_csel);
 | 
						ifc_out32(cs << IFC_NAND_CSEL_SHIFT,
 | 
				
			||||||
 | 
							&ifc_runtime->ifc_nand.nand_csel);
 | 
				
			||||||
 | 
					
 | 
				
			||||||
	/* start read seq */
 | 
						/* start read seq */
 | 
				
			||||||
	ifc_out32(IFC_NAND_SEQ_STRT_FIR_STRT, &ifc->ifc_nand.nandseq_strt);
 | 
						ifc_out32(IFC_NAND_SEQ_STRT_FIR_STRT,
 | 
				
			||||||
 | 
							&ifc_runtime->ifc_nand.nandseq_strt);
 | 
				
			||||||
 | 
					
 | 
				
			||||||
	/* wait for command complete flag or timeout */
 | 
						/* wait for command complete flag or timeout */
 | 
				
			||||||
	wait_event_timeout(ctrl->nand_wait, ctrl->nand_stat,
 | 
						wait_event_timeout(ctrl->nand_wait, ctrl->nand_stat,
 | 
				
			||||||
| 
						 | 
					@ -867,14 +870,15 @@ static void fsl_ifc_sram_init(struct fsl_ifc_mtd *priv)
 | 
				
			||||||
		printk(KERN_ERR "fsl-ifc: Failed to Initialise SRAM\n");
 | 
							printk(KERN_ERR "fsl-ifc: Failed to Initialise SRAM\n");
 | 
				
			||||||
 | 
					
 | 
				
			||||||
	/* Restore CSOR and CSOR_ext */
 | 
						/* Restore CSOR and CSOR_ext */
 | 
				
			||||||
	ifc_out32(csor, &ifc->csor_cs[cs].csor);
 | 
						ifc_out32(csor, &ifc_global->csor_cs[cs].csor);
 | 
				
			||||||
	ifc_out32(csor_ext, &ifc->csor_cs[cs].csor_ext);
 | 
						ifc_out32(csor_ext, &ifc_global->csor_cs[cs].csor_ext);
 | 
				
			||||||
}
 | 
					}
 | 
				
			||||||
 | 
					
 | 
				
			||||||
static int fsl_ifc_chip_init(struct fsl_ifc_mtd *priv)
 | 
					static int fsl_ifc_chip_init(struct fsl_ifc_mtd *priv)
 | 
				
			||||||
{
 | 
					{
 | 
				
			||||||
	struct fsl_ifc_ctrl *ctrl = priv->ctrl;
 | 
						struct fsl_ifc_ctrl *ctrl = priv->ctrl;
 | 
				
			||||||
	struct fsl_ifc_regs __iomem *ifc = ctrl->regs;
 | 
						struct fsl_ifc_global __iomem *ifc_global = ctrl->gregs;
 | 
				
			||||||
 | 
						struct fsl_ifc_runtime __iomem *ifc_runtime = ctrl->rregs;
 | 
				
			||||||
	struct nand_chip *chip = &priv->chip;
 | 
						struct nand_chip *chip = &priv->chip;
 | 
				
			||||||
	struct mtd_info *mtd = nand_to_mtd(&priv->chip);
 | 
						struct mtd_info *mtd = nand_to_mtd(&priv->chip);
 | 
				
			||||||
	struct nand_ecclayout *layout;
 | 
						struct nand_ecclayout *layout;
 | 
				
			||||||
| 
						 | 
					@ -886,7 +890,8 @@ static int fsl_ifc_chip_init(struct fsl_ifc_mtd *priv)
 | 
				
			||||||
 | 
					
 | 
				
			||||||
	/* fill in nand_chip structure */
 | 
						/* fill in nand_chip structure */
 | 
				
			||||||
	/* set up function call table */
 | 
						/* set up function call table */
 | 
				
			||||||
	if ((ifc_in32(&ifc->cspr_cs[priv->bank].cspr)) & CSPR_PORT_SIZE_16)
 | 
						if ((ifc_in32(&ifc_global->cspr_cs[priv->bank].cspr))
 | 
				
			||||||
 | 
							& CSPR_PORT_SIZE_16)
 | 
				
			||||||
		chip->read_byte = fsl_ifc_read_byte16;
 | 
							chip->read_byte = fsl_ifc_read_byte16;
 | 
				
			||||||
	else
 | 
						else
 | 
				
			||||||
		chip->read_byte = fsl_ifc_read_byte;
 | 
							chip->read_byte = fsl_ifc_read_byte;
 | 
				
			||||||
| 
						 | 
					@ -900,13 +905,14 @@ static int fsl_ifc_chip_init(struct fsl_ifc_mtd *priv)
 | 
				
			||||||
	chip->bbt_td = &bbt_main_descr;
 | 
						chip->bbt_td = &bbt_main_descr;
 | 
				
			||||||
	chip->bbt_md = &bbt_mirror_descr;
 | 
						chip->bbt_md = &bbt_mirror_descr;
 | 
				
			||||||
 | 
					
 | 
				
			||||||
	ifc_out32(0x0, &ifc->ifc_nand.ncfgr);
 | 
						ifc_out32(0x0, &ifc_runtime->ifc_nand.ncfgr);
 | 
				
			||||||
 | 
					
 | 
				
			||||||
	/* set up nand options */
 | 
						/* set up nand options */
 | 
				
			||||||
	chip->bbt_options = NAND_BBT_USE_FLASH;
 | 
						chip->bbt_options = NAND_BBT_USE_FLASH;
 | 
				
			||||||
	chip->options = NAND_NO_SUBPAGE_WRITE;
 | 
						chip->options = NAND_NO_SUBPAGE_WRITE;
 | 
				
			||||||
 | 
					
 | 
				
			||||||
	if (ifc_in32(&ifc->cspr_cs[priv->bank].cspr) & CSPR_PORT_SIZE_16) {
 | 
						if (ifc_in32(&ifc_global->cspr_cs[priv->bank].cspr)
 | 
				
			||||||
 | 
							& CSPR_PORT_SIZE_16) {
 | 
				
			||||||
		chip->read_byte = fsl_ifc_read_byte16;
 | 
							chip->read_byte = fsl_ifc_read_byte16;
 | 
				
			||||||
		chip->options |= NAND_BUSWIDTH_16;
 | 
							chip->options |= NAND_BUSWIDTH_16;
 | 
				
			||||||
	} else {
 | 
						} else {
 | 
				
			||||||
| 
						 | 
					@ -919,7 +925,7 @@ static int fsl_ifc_chip_init(struct fsl_ifc_mtd *priv)
 | 
				
			||||||
	chip->ecc.read_page = fsl_ifc_read_page;
 | 
						chip->ecc.read_page = fsl_ifc_read_page;
 | 
				
			||||||
	chip->ecc.write_page = fsl_ifc_write_page;
 | 
						chip->ecc.write_page = fsl_ifc_write_page;
 | 
				
			||||||
 | 
					
 | 
				
			||||||
	csor = ifc_in32(&ifc->csor_cs[priv->bank].csor);
 | 
						csor = ifc_in32(&ifc_global->csor_cs[priv->bank].csor);
 | 
				
			||||||
 | 
					
 | 
				
			||||||
	/* Hardware generates ECC per 512 Bytes */
 | 
						/* Hardware generates ECC per 512 Bytes */
 | 
				
			||||||
	chip->ecc.size = 512;
 | 
						chip->ecc.size = 512;
 | 
				
			||||||
| 
						 | 
					@ -1007,10 +1013,10 @@ static int fsl_ifc_chip_remove(struct fsl_ifc_mtd *priv)
 | 
				
			||||||
	return 0;
 | 
						return 0;
 | 
				
			||||||
}
 | 
					}
 | 
				
			||||||
 | 
					
 | 
				
			||||||
static int match_bank(struct fsl_ifc_regs __iomem *ifc, int bank,
 | 
					static int match_bank(struct fsl_ifc_global __iomem *ifc_global, int bank,
 | 
				
			||||||
		      phys_addr_t addr)
 | 
							      phys_addr_t addr)
 | 
				
			||||||
{
 | 
					{
 | 
				
			||||||
	u32 cspr = ifc_in32(&ifc->cspr_cs[bank].cspr);
 | 
						u32 cspr = ifc_in32(&ifc_global->cspr_cs[bank].cspr);
 | 
				
			||||||
 | 
					
 | 
				
			||||||
	if (!(cspr & CSPR_V))
 | 
						if (!(cspr & CSPR_V))
 | 
				
			||||||
		return 0;
 | 
							return 0;
 | 
				
			||||||
| 
						 | 
					@ -1024,7 +1030,7 @@ static DEFINE_MUTEX(fsl_ifc_nand_mutex);
 | 
				
			||||||
 | 
					
 | 
				
			||||||
static int fsl_ifc_nand_probe(struct platform_device *dev)
 | 
					static int fsl_ifc_nand_probe(struct platform_device *dev)
 | 
				
			||||||
{
 | 
					{
 | 
				
			||||||
	struct fsl_ifc_regs __iomem *ifc;
 | 
						struct fsl_ifc_runtime __iomem *ifc;
 | 
				
			||||||
	struct fsl_ifc_mtd *priv;
 | 
						struct fsl_ifc_mtd *priv;
 | 
				
			||||||
	struct resource res;
 | 
						struct resource res;
 | 
				
			||||||
	static const char *part_probe_types[]
 | 
						static const char *part_probe_types[]
 | 
				
			||||||
| 
						 | 
					@ -1034,9 +1040,9 @@ static int fsl_ifc_nand_probe(struct platform_device *dev)
 | 
				
			||||||
	struct device_node *node = dev->dev.of_node;
 | 
						struct device_node *node = dev->dev.of_node;
 | 
				
			||||||
	struct mtd_info *mtd;
 | 
						struct mtd_info *mtd;
 | 
				
			||||||
 | 
					
 | 
				
			||||||
	if (!fsl_ifc_ctrl_dev || !fsl_ifc_ctrl_dev->regs)
 | 
						if (!fsl_ifc_ctrl_dev || !fsl_ifc_ctrl_dev->rregs)
 | 
				
			||||||
		return -ENODEV;
 | 
							return -ENODEV;
 | 
				
			||||||
	ifc = fsl_ifc_ctrl_dev->regs;
 | 
						ifc = fsl_ifc_ctrl_dev->rregs;
 | 
				
			||||||
 | 
					
 | 
				
			||||||
	/* get, allocate and map the memory resource */
 | 
						/* get, allocate and map the memory resource */
 | 
				
			||||||
	ret = of_address_to_resource(node, 0, &res);
 | 
						ret = of_address_to_resource(node, 0, &res);
 | 
				
			||||||
| 
						 | 
					@ -1047,7 +1053,7 @@ static int fsl_ifc_nand_probe(struct platform_device *dev)
 | 
				
			||||||
 | 
					
 | 
				
			||||||
	/* find which chip select it is connected to */
 | 
						/* find which chip select it is connected to */
 | 
				
			||||||
	for (bank = 0; bank < fsl_ifc_ctrl_dev->banks; bank++) {
 | 
						for (bank = 0; bank < fsl_ifc_ctrl_dev->banks; bank++) {
 | 
				
			||||||
		if (match_bank(ifc, bank, res.start))
 | 
							if (match_bank(fsl_ifc_ctrl_dev->gregs, bank, res.start))
 | 
				
			||||||
			break;
 | 
								break;
 | 
				
			||||||
	}
 | 
						}
 | 
				
			||||||
 | 
					
 | 
				
			||||||
| 
						 | 
					
 | 
				
			||||||
| 
						 | 
					@ -39,6 +39,10 @@
 | 
				
			||||||
#define FSL_IFC_VERSION_MASK	0x0F0F0000
 | 
					#define FSL_IFC_VERSION_MASK	0x0F0F0000
 | 
				
			||||||
#define FSL_IFC_VERSION_1_0_0	0x01000000
 | 
					#define FSL_IFC_VERSION_1_0_0	0x01000000
 | 
				
			||||||
#define FSL_IFC_VERSION_1_1_0	0x01010000
 | 
					#define FSL_IFC_VERSION_1_1_0	0x01010000
 | 
				
			||||||
 | 
					#define FSL_IFC_VERSION_2_0_0	0x02000000
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					#define PGOFFSET_64K	(64*1024)
 | 
				
			||||||
 | 
					#define PGOFFSET_4K	(4*1024)
 | 
				
			||||||
 | 
					
 | 
				
			||||||
/*
 | 
					/*
 | 
				
			||||||
 * CSPR - Chip Select Property Register
 | 
					 * CSPR - Chip Select Property Register
 | 
				
			||||||
| 
						 | 
					@ -723,20 +727,26 @@ struct fsl_ifc_nand {
 | 
				
			||||||
	__be32 nand_evter_en;
 | 
						__be32 nand_evter_en;
 | 
				
			||||||
	u32 res17[0x2];
 | 
						u32 res17[0x2];
 | 
				
			||||||
	__be32 nand_evter_intr_en;
 | 
						__be32 nand_evter_intr_en;
 | 
				
			||||||
	u32 res18[0x2];
 | 
						__be32 nand_vol_addr_stat;
 | 
				
			||||||
 | 
						u32 res18;
 | 
				
			||||||
	__be32 nand_erattr0;
 | 
						__be32 nand_erattr0;
 | 
				
			||||||
	__be32 nand_erattr1;
 | 
						__be32 nand_erattr1;
 | 
				
			||||||
	u32 res19[0x10];
 | 
						u32 res19[0x10];
 | 
				
			||||||
	__be32 nand_fsr;
 | 
						__be32 nand_fsr;
 | 
				
			||||||
	u32 res20;
 | 
						u32 res20[0x3];
 | 
				
			||||||
	__be32 nand_eccstat[4];
 | 
						__be32 nand_eccstat[6];
 | 
				
			||||||
	u32 res21[0x20];
 | 
						u32 res21[0x1c];
 | 
				
			||||||
	__be32 nanndcr;
 | 
						__be32 nanndcr;
 | 
				
			||||||
	u32 res22[0x2];
 | 
						u32 res22[0x2];
 | 
				
			||||||
	__be32 nand_autoboot_trgr;
 | 
						__be32 nand_autoboot_trgr;
 | 
				
			||||||
	u32 res23;
 | 
						u32 res23;
 | 
				
			||||||
	__be32 nand_mdr;
 | 
						__be32 nand_mdr;
 | 
				
			||||||
	u32 res24[0x5C];
 | 
						u32 res24[0x1C];
 | 
				
			||||||
 | 
						__be32 nand_dll_lowcfg0;
 | 
				
			||||||
 | 
						__be32 nand_dll_lowcfg1;
 | 
				
			||||||
 | 
						u32 res25;
 | 
				
			||||||
 | 
						__be32 nand_dll_lowstat;
 | 
				
			||||||
 | 
						u32 res26[0x3c];
 | 
				
			||||||
};
 | 
					};
 | 
				
			||||||
 | 
					
 | 
				
			||||||
/*
 | 
					/*
 | 
				
			||||||
| 
						 | 
					@ -771,13 +781,12 @@ struct fsl_ifc_gpcm {
 | 
				
			||||||
	__be32 gpcm_erattr1;
 | 
						__be32 gpcm_erattr1;
 | 
				
			||||||
	__be32 gpcm_erattr2;
 | 
						__be32 gpcm_erattr2;
 | 
				
			||||||
	__be32 gpcm_stat;
 | 
						__be32 gpcm_stat;
 | 
				
			||||||
	u32 res4[0x1F3];
 | 
					 | 
				
			||||||
};
 | 
					};
 | 
				
			||||||
 | 
					
 | 
				
			||||||
/*
 | 
					/*
 | 
				
			||||||
 * IFC Controller Registers
 | 
					 * IFC Controller Registers
 | 
				
			||||||
 */
 | 
					 */
 | 
				
			||||||
struct fsl_ifc_regs {
 | 
					struct fsl_ifc_global {
 | 
				
			||||||
	__be32 ifc_rev;
 | 
						__be32 ifc_rev;
 | 
				
			||||||
	u32 res1[0x2];
 | 
						u32 res1[0x2];
 | 
				
			||||||
	struct {
 | 
						struct {
 | 
				
			||||||
| 
						 | 
					@ -803,21 +812,26 @@ struct fsl_ifc_regs {
 | 
				
			||||||
	} ftim_cs[FSL_IFC_BANK_COUNT];
 | 
						} ftim_cs[FSL_IFC_BANK_COUNT];
 | 
				
			||||||
	u32 res9[0x30];
 | 
						u32 res9[0x30];
 | 
				
			||||||
	__be32 rb_stat;
 | 
						__be32 rb_stat;
 | 
				
			||||||
	u32 res10[0x2];
 | 
						__be32 rb_map;
 | 
				
			||||||
 | 
						__be32 wb_map;
 | 
				
			||||||
	__be32 ifc_gcr;
 | 
						__be32 ifc_gcr;
 | 
				
			||||||
	u32 res11[0x2];
 | 
						u32 res10[0x2];
 | 
				
			||||||
	__be32 cm_evter_stat;
 | 
						__be32 cm_evter_stat;
 | 
				
			||||||
	u32 res12[0x2];
 | 
						u32 res11[0x2];
 | 
				
			||||||
	__be32 cm_evter_en;
 | 
						__be32 cm_evter_en;
 | 
				
			||||||
	u32 res13[0x2];
 | 
						u32 res12[0x2];
 | 
				
			||||||
	__be32 cm_evter_intr_en;
 | 
						__be32 cm_evter_intr_en;
 | 
				
			||||||
	u32 res14[0x2];
 | 
						u32 res13[0x2];
 | 
				
			||||||
	__be32 cm_erattr0;
 | 
						__be32 cm_erattr0;
 | 
				
			||||||
	__be32 cm_erattr1;
 | 
						__be32 cm_erattr1;
 | 
				
			||||||
	u32 res15[0x2];
 | 
						u32 res14[0x2];
 | 
				
			||||||
	__be32 ifc_ccr;
 | 
						__be32 ifc_ccr;
 | 
				
			||||||
	__be32 ifc_csr;
 | 
						__be32 ifc_csr;
 | 
				
			||||||
	u32 res16[0x2EB];
 | 
						__be32 ddr_ccr_low;
 | 
				
			||||||
 | 
					};
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					struct fsl_ifc_runtime {
 | 
				
			||||||
	struct fsl_ifc_nand ifc_nand;
 | 
						struct fsl_ifc_nand ifc_nand;
 | 
				
			||||||
	struct fsl_ifc_nor ifc_nor;
 | 
						struct fsl_ifc_nor ifc_nor;
 | 
				
			||||||
	struct fsl_ifc_gpcm ifc_gpcm;
 | 
						struct fsl_ifc_gpcm ifc_gpcm;
 | 
				
			||||||
| 
						 | 
					@ -831,7 +845,8 @@ extern int fsl_ifc_find(phys_addr_t addr_base);
 | 
				
			||||||
struct fsl_ifc_ctrl {
 | 
					struct fsl_ifc_ctrl {
 | 
				
			||||||
	/* device info */
 | 
						/* device info */
 | 
				
			||||||
	struct device			*dev;
 | 
						struct device			*dev;
 | 
				
			||||||
	struct fsl_ifc_regs __iomem	*regs;
 | 
						struct fsl_ifc_global __iomem	*gregs;
 | 
				
			||||||
 | 
						struct fsl_ifc_runtime __iomem	*rregs;
 | 
				
			||||||
	int				irq;
 | 
						int				irq;
 | 
				
			||||||
	int				nand_irq;
 | 
						int				nand_irq;
 | 
				
			||||||
	spinlock_t			lock;
 | 
						spinlock_t			lock;
 | 
				
			||||||
| 
						 | 
					
 | 
				
			||||||
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		Reference in a new issue