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提交 b6f731a7 编写于 作者: C coolsnowwolf
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fix RT-AC58U spi nand ecc error drive

上级 09a92869
隐藏空白更改
内联 并排
Showing with 64 addition and 72 deletion
target/linux/ipq806x/patches-4.9/860-qcom-mtd-nand-Add-bam_dma-support-in-qcom_nand-drive.patch
浏览文件 @ b6f731a7
...@@ -116,7 +116,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -116,7 +116,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
compatible = "qcom,nandcs"; compatible = "qcom,nandcs";
--- a/drivers/mtd/nand/qcom_nandc.c --- a/drivers/mtd/nand/qcom_nandc.c
+++ b/drivers/mtd/nand/qcom_nandc.c +++ b/drivers/mtd/nand/qcom_nandc.c
@@ -226,6 +226,7 @@ struct nandc_regs { @@ -234,6 +234,7 @@ struct nandc_regs {
* by upper layers directly * by upper layers directly
* @buf_size/count/start: markers for chip->read_buf/write_buf functions * @buf_size/count/start: markers for chip->read_buf/write_buf functions
* @reg_read_buf: local buffer for reading back registers via DMA * @reg_read_buf: local buffer for reading back registers via DMA
...@@ -124,7 +124,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -124,7 +124,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
* @reg_read_pos: marker for data read in reg_read_buf * @reg_read_pos: marker for data read in reg_read_buf
* *
* @regs: a contiguous chunk of memory for DMA register * @regs: a contiguous chunk of memory for DMA register
@@ -234,7 +235,10 @@ struct nandc_regs { @@ -242,7 +243,10 @@ struct nandc_regs {
* @cmd1/vld: some fixed controller register values * @cmd1/vld: some fixed controller register values
* @ecc_modes: supported ECC modes by the current controller, * @ecc_modes: supported ECC modes by the current controller,
* initialized via DT match data * initialized via DT match data
...@@ -136,7 +136,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -136,7 +136,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
struct qcom_nand_controller { struct qcom_nand_controller {
struct nand_hw_control controller; struct nand_hw_control controller;
struct list_head host_list; struct list_head host_list;
@@ -247,17 +251,28 @@ struct qcom_nand_controller { @@ -255,17 +259,28 @@ struct qcom_nand_controller {
struct clk *core_clk; struct clk *core_clk;
struct clk *aon_clk; struct clk *aon_clk;
...@@ -168,7 +168,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -168,7 +168,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
int reg_read_pos; int reg_read_pos;
struct nandc_regs *regs; struct nandc_regs *regs;
@@ -316,6 +331,17 @@ struct qcom_nand_host { @@ -324,6 +339,17 @@ struct qcom_nand_host {
u32 clrreadstatus; u32 clrreadstatus;
}; };
...@@ -186,16 +186,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -186,16 +186,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
static inline struct qcom_nand_host *to_qcom_nand_host(struct nand_chip *chip) static inline struct qcom_nand_host *to_qcom_nand_host(struct nand_chip *chip)
{ {
return container_of(chip, struct qcom_nand_host, chip); return container_of(chip, struct qcom_nand_host, chip);
@@ -1893,7 +1919,7 @@ static int qcom_nand_host_setup(struct q @@ -1949,16 +1975,46 @@ static int qcom_nandc_alloc(struct qcom_
| wide_bus << WIDE_FLASH
| 1 << DEV0_CFG1_ECC_DISABLE;
- host->ecc_bch_cfg = host->bch_enabled << ECC_CFG_ECC_DISABLE
+ host->ecc_bch_cfg = !host->bch_enabled << ECC_CFG_ECC_DISABLE
| 0 << ECC_SW_RESET
| host->cw_data << ECC_NUM_DATA_BYTES
| 1 << ECC_FORCE_CLK_OPEN
@@ -1942,16 +1968,46 @@ static int qcom_nandc_alloc(struct qcom_
if (!nandc->regs) if (!nandc->regs)
return -ENOMEM; return -ENOMEM;
...@@ -251,7 +242,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -251,7 +242,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
} }
INIT_LIST_HEAD(&nandc->desc_list); INIT_LIST_HEAD(&nandc->desc_list);
@@ -1964,8 +2020,35 @@ static int qcom_nandc_alloc(struct qcom_ @@ -1971,8 +2027,35 @@ static int qcom_nandc_alloc(struct qcom_
static void qcom_nandc_unalloc(struct qcom_nand_controller *nandc) static void qcom_nandc_unalloc(struct qcom_nand_controller *nandc)
{ {
...@@ -289,7 +280,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -289,7 +280,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
/* one time setup of a few nand controller registers */ /* one time setup of a few nand controller registers */
static int qcom_nandc_setup(struct qcom_nand_controller *nandc) static int qcom_nandc_setup(struct qcom_nand_controller *nandc)
@@ -2002,6 +2085,8 @@ static int qcom_nand_host_init(struct qc @@ -2010,6 +2093,8 @@ static int qcom_nand_host_init(struct qc
mtd->name = devm_kasprintf(dev, GFP_KERNEL, "qcom_nand.%d", host->cs); mtd->name = devm_kasprintf(dev, GFP_KERNEL, "qcom_nand.%d", host->cs);
mtd->owner = THIS_MODULE; mtd->owner = THIS_MODULE;
mtd->dev.parent = dev; mtd->dev.parent = dev;
...@@ -298,7 +289,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -298,7 +289,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
chip->cmdfunc = qcom_nandc_command; chip->cmdfunc = qcom_nandc_command;
chip->select_chip = qcom_nandc_select_chip; chip->select_chip = qcom_nandc_select_chip;
@@ -2049,16 +2134,20 @@ static int qcom_nandc_parse_dt(struct pl @@ -2057,16 +2142,20 @@ static int qcom_nandc_parse_dt(struct pl
struct device_node *np = nandc->dev->of_node; struct device_node *np = nandc->dev->of_node;
int ret; int ret;
...@@ -328,7 +319,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -328,7 +319,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
} }
return 0; return 0;
@@ -2073,6 +2162,7 @@ static int qcom_nandc_probe(struct platf @@ -2081,6 +2170,7 @@ static int qcom_nandc_probe(struct platf
struct device_node *dn = dev->of_node, *child; struct device_node *dn = dev->of_node, *child;
struct resource *res; struct resource *res;
int ret; int ret;
...@@ -336,7 +327,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -336,7 +327,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
nandc = devm_kzalloc(&pdev->dev, sizeof(*nandc), GFP_KERNEL); nandc = devm_kzalloc(&pdev->dev, sizeof(*nandc), GFP_KERNEL);
if (!nandc) if (!nandc)
@@ -2087,7 +2177,10 @@ static int qcom_nandc_probe(struct platf @@ -2095,7 +2185,10 @@ static int qcom_nandc_probe(struct platf
return -ENODEV; return -ENODEV;
} }
...@@ -348,7 +339,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -348,7 +339,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
res = platform_get_resource(pdev, IORESOURCE_MEM, 0); res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
nandc->base = devm_ioremap_resource(dev, res); nandc->base = devm_ioremap_resource(dev, res);
@@ -2179,7 +2272,15 @@ static int qcom_nandc_remove(struct plat @@ -2187,7 +2280,15 @@ static int qcom_nandc_remove(struct plat
return 0; return 0;
} }
...@@ -365,7 +356,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -365,7 +356,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
/* /*
* data will hold a struct pointer containing more differences once we support * data will hold a struct pointer containing more differences once we support
@@ -2187,7 +2288,10 @@ static int qcom_nandc_remove(struct plat @@ -2195,7 +2296,10 @@ static int qcom_nandc_remove(struct plat
*/ */
static const struct of_device_id qcom_nandc_of_match[] = { static const struct of_device_id qcom_nandc_of_match[] = {
{ .compatible = "qcom,ipq806x-nand", { .compatible = "qcom,ipq806x-nand",
......
target/linux/ipq806x/patches-4.9/861-qcom-mtd-nand-Added-bam-transaction-and-support-addi.patch
浏览文件 @ b6f731a7
...@@ -45,7 +45,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -45,7 +45,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
/* dummy register offsets, used by write_reg_dma */ /* dummy register offsets, used by write_reg_dma */
#define NAND_DEV_CMD1_RESTORE 0xdead #define NAND_DEV_CMD1_RESTORE 0xdead
@@ -131,6 +134,11 @@ @@ -135,6 +138,11 @@
#define ERASED_PAGE (PAGE_ALL_ERASED | PAGE_ERASED) #define ERASED_PAGE (PAGE_ALL_ERASED | PAGE_ERASED)
#define ERASED_CW (CODEWORD_ALL_ERASED | CODEWORD_ERASED) #define ERASED_CW (CODEWORD_ALL_ERASED | CODEWORD_ERASED)
...@@ -57,9 +57,9 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -57,9 +57,9 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
/* Version Mask */ /* Version Mask */
#define NAND_VERSION_MAJOR_MASK 0xf0000000 #define NAND_VERSION_MAJOR_MASK 0xf0000000
#define NAND_VERSION_MAJOR_SHIFT 28 #define NAND_VERSION_MAJOR_SHIFT 28
@@ -148,6 +156,9 @@ @@ -156,6 +164,9 @@
#define FETCH_ID 0xb #define NAND_DEV_CMD_VLD_VAL (READ_START_VLD | WRITE_START_VLD | \
#define RESET_DEVICE 0xd ERASE_START_VLD | SEQ_READ_START_VLD)
+/* NAND_CTRL bits */ +/* NAND_CTRL bits */
+#define BAM_MODE_EN BIT(0) +#define BAM_MODE_EN BIT(0)
...@@ -67,7 +67,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -67,7 +67,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
/* /*
* the NAND controller performs reads/writes with ECC in 516 byte chunks. * the NAND controller performs reads/writes with ECC in 516 byte chunks.
* the driver calls the chunks 'step' or 'codeword' interchangeably * the driver calls the chunks 'step' or 'codeword' interchangeably
@@ -169,12 +180,77 @@ @@ -177,12 +188,77 @@
#define ECC_BCH_4BIT BIT(2) #define ECC_BCH_4BIT BIT(2)
#define ECC_BCH_8BIT BIT(3) #define ECC_BCH_8BIT BIT(3)
...@@ -145,7 +145,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -145,7 +145,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
}; };
/* /*
@@ -202,6 +278,13 @@ struct nandc_regs { @@ -210,6 +286,13 @@ struct nandc_regs {
__le32 orig_vld; __le32 orig_vld;
__le32 ecc_buf_cfg; __le32 ecc_buf_cfg;
...@@ -159,7 +159,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -159,7 +159,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
}; };
/* /*
@@ -217,6 +300,7 @@ struct nandc_regs { @@ -225,6 +308,7 @@ struct nandc_regs {
* @aon_clk: another controller clock * @aon_clk: another controller clock
* *
* @chan: dma channel * @chan: dma channel
...@@ -167,7 +167,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -167,7 +167,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
* @cmd_crci: ADM DMA CRCI for command flow control * @cmd_crci: ADM DMA CRCI for command flow control
* @data_crci: ADM DMA CRCI for data flow control * @data_crci: ADM DMA CRCI for data flow control
* @desc_list: DMA descriptor list (list of desc_infos) * @desc_list: DMA descriptor list (list of desc_infos)
@@ -242,6 +326,7 @@ struct nandc_regs { @@ -250,6 +334,7 @@ struct nandc_regs {
struct qcom_nand_controller { struct qcom_nand_controller {
struct nand_hw_control controller; struct nand_hw_control controller;
struct list_head host_list; struct list_head host_list;
...@@ -175,7 +175,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -175,7 +175,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
struct device *dev; struct device *dev;
@@ -342,6 +427,45 @@ struct qcom_nand_driver_data { @@ -350,6 +435,45 @@ struct qcom_nand_driver_data {
bool dma_bam_enabled; bool dma_bam_enabled;
}; };
...@@ -221,7 +221,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -221,7 +221,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
static inline struct qcom_nand_host *to_qcom_nand_host(struct nand_chip *chip) static inline struct qcom_nand_host *to_qcom_nand_host(struct nand_chip *chip)
{ {
return container_of(chip, struct qcom_nand_host, chip); return container_of(chip, struct qcom_nand_host, chip);
@@ -398,6 +522,16 @@ static __le32 *offset_to_nandc_reg(struc @@ -406,6 +530,16 @@ static __le32 *offset_to_nandc_reg(struc
return &regs->orig_vld; return &regs->orig_vld;
case NAND_EBI2_ECC_BUF_CFG: case NAND_EBI2_ECC_BUF_CFG:
return &regs->ecc_buf_cfg; return &regs->ecc_buf_cfg;
...@@ -238,7 +238,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -238,7 +238,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
default: default:
return NULL; return NULL;
} }
@@ -439,7 +573,7 @@ static void update_rw_regs(struct qcom_n @@ -447,7 +581,7 @@ static void update_rw_regs(struct qcom_n
{ {
struct nand_chip *chip = &host->chip; struct nand_chip *chip = &host->chip;
struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip); struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip);
...@@ -247,7 +247,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -247,7 +247,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
if (read) { if (read) {
if (host->use_ecc) if (host->use_ecc)
@@ -456,12 +590,20 @@ static void update_rw_regs(struct qcom_n @@ -464,12 +598,20 @@ static void update_rw_regs(struct qcom_n
cfg1 = host->cfg1; cfg1 = host->cfg1;
ecc_bch_cfg = host->ecc_bch_cfg; ecc_bch_cfg = host->ecc_bch_cfg;
...@@ -268,7 +268,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -268,7 +268,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
} }
nandc_set_reg(nandc, NAND_FLASH_CMD, cmd); nandc_set_reg(nandc, NAND_FLASH_CMD, cmd);
@@ -472,8 +614,104 @@ static void update_rw_regs(struct qcom_n @@ -480,8 +622,104 @@ static void update_rw_regs(struct qcom_n
nandc_set_reg(nandc, NAND_FLASH_STATUS, host->clrflashstatus); nandc_set_reg(nandc, NAND_FLASH_STATUS, host->clrflashstatus);
nandc_set_reg(nandc, NAND_READ_STATUS, host->clrreadstatus); nandc_set_reg(nandc, NAND_READ_STATUS, host->clrreadstatus);
nandc_set_reg(nandc, NAND_EXEC_CMD, 1); nandc_set_reg(nandc, NAND_EXEC_CMD, 1);
...@@ -373,7 +373,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -373,7 +373,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
static int prep_dma_desc(struct qcom_nand_controller *nandc, bool read, static int prep_dma_desc(struct qcom_nand_controller *nandc, bool read,
int reg_off, const void *vaddr, int size, int reg_off, const void *vaddr, int size,
bool flow_control) bool flow_control)
@@ -552,7 +790,7 @@ err: @@ -560,7 +798,7 @@ err:
* @num_regs: number of registers to read * @num_regs: number of registers to read
*/ */
static int read_reg_dma(struct qcom_nand_controller *nandc, int first, static int read_reg_dma(struct qcom_nand_controller *nandc, int first,
...@@ -382,7 +382,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -382,7 +382,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
{ {
bool flow_control = false; bool flow_control = false;
void *vaddr; void *vaddr;
@@ -561,10 +799,18 @@ static int read_reg_dma(struct qcom_nand @@ -569,10 +807,18 @@ static int read_reg_dma(struct qcom_nand
if (first == NAND_READ_ID || first == NAND_FLASH_STATUS) if (first == NAND_READ_ID || first == NAND_FLASH_STATUS)
flow_control = true; flow_control = true;
...@@ -402,7 +402,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -402,7 +402,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
return prep_dma_desc(nandc, true, first, vaddr, size, flow_control); return prep_dma_desc(nandc, true, first, vaddr, size, flow_control);
} }
@@ -576,7 +822,7 @@ static int read_reg_dma(struct qcom_nand @@ -584,7 +830,7 @@ static int read_reg_dma(struct qcom_nand
* @num_regs: number of registers to write * @num_regs: number of registers to write
*/ */
static int write_reg_dma(struct qcom_nand_controller *nandc, int first, static int write_reg_dma(struct qcom_nand_controller *nandc, int first,
...@@ -411,7 +411,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -411,7 +411,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
{ {
bool flow_control = false; bool flow_control = false;
struct nandc_regs *regs = nandc->regs; struct nandc_regs *regs = nandc->regs;
@@ -588,12 +834,29 @@ static int write_reg_dma(struct qcom_nan @@ -596,12 +842,29 @@ static int write_reg_dma(struct qcom_nan
if (first == NAND_FLASH_CMD) if (first == NAND_FLASH_CMD)
flow_control = true; flow_control = true;
...@@ -441,7 +441,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -441,7 +441,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
size = num_regs * sizeof(u32); size = num_regs * sizeof(u32);
return prep_dma_desc(nandc, false, first, vaddr, size, flow_control); return prep_dma_desc(nandc, false, first, vaddr, size, flow_control);
@@ -608,8 +871,12 @@ static int write_reg_dma(struct qcom_nan @@ -616,8 +879,12 @@ static int write_reg_dma(struct qcom_nan
* @size: DMA transaction size in bytes * @size: DMA transaction size in bytes
*/ */
static int read_data_dma(struct qcom_nand_controller *nandc, int reg_off, static int read_data_dma(struct qcom_nand_controller *nandc, int reg_off,
...@@ -455,7 +455,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -455,7 +455,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
return prep_dma_desc(nandc, true, reg_off, vaddr, size, false); return prep_dma_desc(nandc, true, reg_off, vaddr, size, false);
} }
@@ -622,8 +889,12 @@ static int read_data_dma(struct qcom_nan @@ -630,8 +897,12 @@ static int read_data_dma(struct qcom_nan
* @size: DMA transaction size in bytes * @size: DMA transaction size in bytes
*/ */
static int write_data_dma(struct qcom_nand_controller *nandc, int reg_off, static int write_data_dma(struct qcom_nand_controller *nandc, int reg_off,
...@@ -469,7 +469,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -469,7 +469,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
return prep_dma_desc(nandc, false, reg_off, vaddr, size, false); return prep_dma_desc(nandc, false, reg_off, vaddr, size, false);
} }
@@ -633,14 +904,57 @@ static int write_data_dma(struct qcom_na @@ -641,14 +912,57 @@ static int write_data_dma(struct qcom_na
*/ */
static void config_cw_read(struct qcom_nand_controller *nandc) static void config_cw_read(struct qcom_nand_controller *nandc)
{ {
...@@ -533,7 +533,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -533,7 +533,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
} }
/* /*
@@ -649,19 +963,20 @@ static void config_cw_read(struct qcom_n @@ -657,19 +971,20 @@ static void config_cw_read(struct qcom_n
*/ */
static void config_cw_write_pre(struct qcom_nand_controller *nandc) static void config_cw_write_pre(struct qcom_nand_controller *nandc)
{ {
...@@ -561,7 +561,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -561,7 +561,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
} }
/* /*
@@ -675,6 +990,8 @@ static int nandc_param(struct qcom_nand_ @@ -683,6 +998,8 @@ static int nandc_param(struct qcom_nand_
struct nand_chip *chip = &host->chip; struct nand_chip *chip = &host->chip;
struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip); struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip);
...@@ -570,7 +570,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -570,7 +570,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
/* /*
* NAND_CMD_PARAM is called before we know much about the FLASH chip * NAND_CMD_PARAM is called before we know much about the FLASH chip
* in use. we configure the controller to perform a raw read of 512 * in use. we configure the controller to perform a raw read of 512
@@ -708,9 +1025,13 @@ static int nandc_param(struct qcom_nand_ @@ -715,9 +1032,13 @@ static int nandc_param(struct qcom_nand_
nandc_set_reg(nandc, NAND_DEV_CMD1_RESTORE, nandc->cmd1); nandc_set_reg(nandc, NAND_DEV_CMD1_RESTORE, nandc->cmd1);
nandc_set_reg(nandc, NAND_DEV_CMD_VLD_RESTORE, nandc->vld); nandc_set_reg(nandc, NAND_DEV_CMD_VLD_RESTORE, nandc->vld);
...@@ -586,7 +586,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -586,7 +586,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
nandc->buf_count = 512; nandc->buf_count = 512;
memset(nandc->data_buffer, 0xff, nandc->buf_count); memset(nandc->data_buffer, 0xff, nandc->buf_count);
@@ -718,11 +1039,12 @@ static int nandc_param(struct qcom_nand_ @@ -725,11 +1046,12 @@ static int nandc_param(struct qcom_nand_
config_cw_read(nandc); config_cw_read(nandc);
read_data_dma(nandc, FLASH_BUF_ACC, nandc->data_buffer, read_data_dma(nandc, FLASH_BUF_ACC, nandc->data_buffer,
...@@ -602,7 +602,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -602,7 +602,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
return 0; return 0;
} }
@@ -733,6 +1055,8 @@ static int erase_block(struct qcom_nand_ @@ -740,6 +1062,8 @@ static int erase_block(struct qcom_nand_
struct nand_chip *chip = &host->chip; struct nand_chip *chip = &host->chip;
struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip); struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip);
...@@ -611,7 +611,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -611,7 +611,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
nandc_set_reg(nandc, NAND_FLASH_CMD, nandc_set_reg(nandc, NAND_FLASH_CMD,
BLOCK_ERASE | PAGE_ACC | LAST_PAGE); BLOCK_ERASE | PAGE_ACC | LAST_PAGE);
nandc_set_reg(nandc, NAND_ADDR0, page_addr); nandc_set_reg(nandc, NAND_ADDR0, page_addr);
@@ -744,14 +1068,15 @@ static int erase_block(struct qcom_nand_ @@ -751,14 +1075,15 @@ static int erase_block(struct qcom_nand_
nandc_set_reg(nandc, NAND_FLASH_STATUS, host->clrflashstatus); nandc_set_reg(nandc, NAND_FLASH_STATUS, host->clrflashstatus);
nandc_set_reg(nandc, NAND_READ_STATUS, host->clrreadstatus); nandc_set_reg(nandc, NAND_READ_STATUS, host->clrreadstatus);
...@@ -633,7 +633,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -633,7 +633,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
return 0; return 0;
} }
@@ -765,16 +1090,19 @@ static int read_id(struct qcom_nand_host @@ -772,16 +1097,19 @@ static int read_id(struct qcom_nand_host
if (column == -1) if (column == -1)
return 0; return 0;
...@@ -657,7 +657,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -657,7 +657,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
return 0; return 0;
} }
@@ -785,28 +1113,108 @@ static int reset(struct qcom_nand_host * @@ -792,28 +1120,108 @@ static int reset(struct qcom_nand_host *
struct nand_chip *chip = &host->chip; struct nand_chip *chip = &host->chip;
struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip); struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip);
...@@ -771,7 +771,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -771,7 +771,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
return 0; return 0;
} }
@@ -817,7 +1225,16 @@ static void free_descs(struct qcom_nand_ @@ -824,7 +1232,16 @@ static void free_descs(struct qcom_nand_
list_for_each_entry_safe(desc, n, &nandc->desc_list, node) { list_for_each_entry_safe(desc, n, &nandc->desc_list, node) {
list_del(&desc->node); list_del(&desc->node);
...@@ -789,7 +789,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -789,7 +789,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
kfree(desc); kfree(desc);
} }
} }
@@ -1128,6 +1545,9 @@ static int read_page_ecc(struct qcom_nan @@ -1135,6 +1552,9 @@ static int read_page_ecc(struct qcom_nan
struct nand_ecc_ctrl *ecc = &chip->ecc; struct nand_ecc_ctrl *ecc = &chip->ecc;
int i, ret; int i, ret;
...@@ -799,7 +799,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -799,7 +799,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
/* queue cmd descs for each codeword */ /* queue cmd descs for each codeword */
for (i = 0; i < ecc->steps; i++) { for (i = 0; i < ecc->steps; i++) {
int data_size, oob_size; int data_size, oob_size;
@@ -1141,11 +1561,36 @@ static int read_page_ecc(struct qcom_nan @@ -1148,11 +1568,36 @@ static int read_page_ecc(struct qcom_nan
oob_size = host->ecc_bytes_hw + host->spare_bytes; oob_size = host->ecc_bytes_hw + host->spare_bytes;
} }
...@@ -838,7 +838,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -838,7 +838,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
/* /*
* when ecc is enabled, the controller doesn't read the real * when ecc is enabled, the controller doesn't read the real
@@ -1161,7 +1606,7 @@ static int read_page_ecc(struct qcom_nan @@ -1168,7 +1613,7 @@ static int read_page_ecc(struct qcom_nan
*oob_buf++ = 0xff; *oob_buf++ = 0xff;
read_data_dma(nandc, FLASH_BUF_ACC + data_size, read_data_dma(nandc, FLASH_BUF_ACC + data_size,
...@@ -847,7 +847,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -847,7 +847,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
} }
if (data_buf) if (data_buf)
@@ -1200,10 +1645,14 @@ static int copy_last_cw(struct qcom_nand @@ -1207,10 +1652,14 @@ static int copy_last_cw(struct qcom_nand
set_address(host, host->cw_size * (ecc->steps - 1), page); set_address(host, host->cw_size * (ecc->steps - 1), page);
update_rw_regs(host, 1, true); update_rw_regs(host, 1, true);
...@@ -863,7 +863,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -863,7 +863,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
ret = submit_descs(nandc); ret = submit_descs(nandc);
if (ret) if (ret)
@@ -1226,6 +1675,7 @@ static int qcom_nandc_read_page(struct m @@ -1233,6 +1682,7 @@ static int qcom_nandc_read_page(struct m
data_buf = buf; data_buf = buf;
oob_buf = oob_required ? chip->oob_poi : NULL; oob_buf = oob_required ? chip->oob_poi : NULL;
...@@ -871,7 +871,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -871,7 +871,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
ret = read_page_ecc(host, data_buf, oob_buf); ret = read_page_ecc(host, data_buf, oob_buf);
if (ret) { if (ret) {
dev_err(nandc->dev, "failure to read page\n"); dev_err(nandc->dev, "failure to read page\n");
@@ -1245,13 +1695,19 @@ static int qcom_nandc_read_page_raw(stru @@ -1252,13 +1702,19 @@ static int qcom_nandc_read_page_raw(stru
u8 *data_buf, *oob_buf; u8 *data_buf, *oob_buf;
struct nand_ecc_ctrl *ecc = &chip->ecc; struct nand_ecc_ctrl *ecc = &chip->ecc;
int i, ret; int i, ret;
...@@ -891,7 +891,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -891,7 +891,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
for (i = 0; i < ecc->steps; i++) { for (i = 0; i < ecc->steps; i++) {
int data_size1, data_size2, oob_size1, oob_size2; int data_size1, data_size2, oob_size1, oob_size2;
int reg_off = FLASH_BUF_ACC; int reg_off = FLASH_BUF_ACC;
@@ -1269,21 +1725,49 @@ static int qcom_nandc_read_page_raw(stru @@ -1276,21 +1732,49 @@ static int qcom_nandc_read_page_raw(stru
oob_size2 = host->ecc_bytes_hw + host->spare_bytes; oob_size2 = host->ecc_bytes_hw + host->spare_bytes;
} }
...@@ -946,7 +946,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -946,7 +946,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
oob_buf += oob_size2; oob_buf += oob_size2;
} }
@@ -1306,6 +1790,7 @@ static int qcom_nandc_read_oob(struct mt @@ -1313,6 +1797,7 @@ static int qcom_nandc_read_oob(struct mt
int ret; int ret;
clear_read_regs(nandc); clear_read_regs(nandc);
...@@ -954,7 +954,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -954,7 +954,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
host->use_ecc = true; host->use_ecc = true;
set_address(host, 0, page); set_address(host, 0, page);
@@ -1329,6 +1814,7 @@ static int qcom_nandc_write_page(struct @@ -1336,6 +1821,7 @@ static int qcom_nandc_write_page(struct
int i, ret; int i, ret;
clear_read_regs(nandc); clear_read_regs(nandc);
...@@ -962,7 +962,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -962,7 +962,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
data_buf = (u8 *)buf; data_buf = (u8 *)buf;
oob_buf = chip->oob_poi; oob_buf = chip->oob_poi;
@@ -1350,7 +1836,8 @@ static int qcom_nandc_write_page(struct @@ -1357,7 +1843,8 @@ static int qcom_nandc_write_page(struct
config_cw_write_pre(nandc); config_cw_write_pre(nandc);
...@@ -972,7 +972,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -972,7 +972,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
/* /*
* when ECC is enabled, we don't really need to write anything * when ECC is enabled, we don't really need to write anything
@@ -1363,7 +1850,7 @@ static int qcom_nandc_write_page(struct @@ -1370,7 +1857,7 @@ static int qcom_nandc_write_page(struct
oob_buf += host->bbm_size; oob_buf += host->bbm_size;
write_data_dma(nandc, FLASH_BUF_ACC + data_size, write_data_dma(nandc, FLASH_BUF_ACC + data_size,
...@@ -981,7 +981,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -981,7 +981,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
} }
config_cw_write_post(nandc); config_cw_write_post(nandc);
@@ -1393,6 +1880,7 @@ static int qcom_nandc_write_page_raw(str @@ -1400,6 +1887,7 @@ static int qcom_nandc_write_page_raw(str
int i, ret; int i, ret;
clear_read_regs(nandc); clear_read_regs(nandc);
...@@ -989,7 +989,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -989,7 +989,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
data_buf = (u8 *)buf; data_buf = (u8 *)buf;
oob_buf = chip->oob_poi; oob_buf = chip->oob_poi;
@@ -1419,19 +1907,22 @@ static int qcom_nandc_write_page_raw(str @@ -1426,19 +1914,22 @@ static int qcom_nandc_write_page_raw(str
config_cw_write_pre(nandc); config_cw_write_pre(nandc);
...@@ -1016,7 +1016,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -1016,7 +1016,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
oob_buf += oob_size2; oob_buf += oob_size2;
config_cw_write_post(nandc); config_cw_write_post(nandc);
@@ -1467,6 +1958,7 @@ static int qcom_nandc_write_oob(struct m @@ -1474,6 +1965,7 @@ static int qcom_nandc_write_oob(struct m
host->use_ecc = true; host->use_ecc = true;
...@@ -1024,7 +1024,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -1024,7 +1024,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
ret = copy_last_cw(host, page); ret = copy_last_cw(host, page);
if (ret) if (ret)
return ret; return ret;
@@ -1486,7 +1978,7 @@ static int qcom_nandc_write_oob(struct m @@ -1493,7 +1985,7 @@ static int qcom_nandc_write_oob(struct m
config_cw_write_pre(nandc); config_cw_write_pre(nandc);
write_data_dma(nandc, FLASH_BUF_ACC, nandc->data_buffer, write_data_dma(nandc, FLASH_BUF_ACC, nandc->data_buffer,
...@@ -1033,7 +1033,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -1033,7 +1033,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
config_cw_write_post(nandc); config_cw_write_post(nandc);
ret = submit_descs(nandc); ret = submit_descs(nandc);
@@ -1524,6 +2016,7 @@ static int qcom_nandc_block_bad(struct m @@ -1531,6 +2023,7 @@ static int qcom_nandc_block_bad(struct m
*/ */
host->use_ecc = false; host->use_ecc = false;
...@@ -1041,7 +1041,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -1041,7 +1041,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
ret = copy_last_cw(host, page); ret = copy_last_cw(host, page);
if (ret) if (ret)
goto err; goto err;
@@ -1554,6 +2047,7 @@ static int qcom_nandc_block_markbad(stru @@ -1561,6 +2054,7 @@ static int qcom_nandc_block_markbad(stru
int page, ret, status = 0; int page, ret, status = 0;
clear_read_regs(nandc); clear_read_regs(nandc);
...@@ -1049,7 +1049,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -1049,7 +1049,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
/* /*
* to mark the BBM as bad, we flash the entire last codeword with 0s. * to mark the BBM as bad, we flash the entire last codeword with 0s.
@@ -1570,7 +2064,8 @@ static int qcom_nandc_block_markbad(stru @@ -1577,7 +2071,8 @@ static int qcom_nandc_block_markbad(stru
update_rw_regs(host, 1, false); update_rw_regs(host, 1, false);
config_cw_write_pre(nandc); config_cw_write_pre(nandc);
...@@ -1059,7 +1059,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -1059,7 +1059,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
config_cw_write_post(nandc); config_cw_write_post(nandc);
ret = submit_descs(nandc); ret = submit_descs(nandc);
@@ -1930,6 +2425,8 @@ static int qcom_nand_host_setup(struct q @@ -1937,6 +2432,8 @@ static int qcom_nand_host_setup(struct q
host->clrflashstatus = FS_READY_BSY_N; host->clrflashstatus = FS_READY_BSY_N;
host->clrreadstatus = 0xc0; host->clrreadstatus = 0xc0;
...@@ -1068,7 +1068,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -1068,7 +1068,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
dev_dbg(nandc->dev, dev_dbg(nandc->dev,
"cfg0 %x cfg1 %x ecc_buf_cfg %x ecc_bch cfg %x cw_size %d cw_data %d strength %d parity_bytes %d steps %d\n", "cfg0 %x cfg1 %x ecc_buf_cfg %x ecc_bch cfg %x cw_size %d cw_data %d strength %d parity_bytes %d steps %d\n",
@@ -2008,6 +2505,12 @@ static int qcom_nandc_alloc(struct qcom_ @@ -2015,6 +2512,12 @@ static int qcom_nandc_alloc(struct qcom_
dev_err(nandc->dev, "failed to request cmd channel\n"); dev_err(nandc->dev, "failed to request cmd channel\n");
return -ENODEV; return -ENODEV;
} }
...@@ -1081,7 +1081,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -1081,7 +1081,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
} }
INIT_LIST_HEAD(&nandc->desc_list); INIT_LIST_HEAD(&nandc->desc_list);
@@ -2043,6 +2546,9 @@ static void qcom_nandc_unalloc(struct qc @@ -2050,6 +2553,9 @@ static void qcom_nandc_unalloc(struct qc
devm_kfree(nandc->dev, nandc->reg_read_buf); devm_kfree(nandc->dev, nandc->reg_read_buf);
} }
...@@ -1091,7 +1091,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -1091,7 +1091,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
if (nandc->regs) if (nandc->regs)
devm_kfree(nandc->dev, nandc->regs); devm_kfree(nandc->dev, nandc->regs);
@@ -2053,11 +2559,18 @@ static void qcom_nandc_unalloc(struct qc @@ -2060,12 +2566,19 @@ static void qcom_nandc_unalloc(struct qc
/* one time setup of a few nand controller registers */ /* one time setup of a few nand controller registers */
static int qcom_nandc_setup(struct qcom_nand_controller *nandc) static int qcom_nandc_setup(struct qcom_nand_controller *nandc)
{ {
...@@ -1099,6 +1099,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org> ...@@ -1099,6 +1099,7 @@ Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>
+ +
/* kill onenand */ /* kill onenand */
nandc_write(nandc, SFLASHC_BURST_CFG, 0); nandc_write(nandc, SFLASHC_BURST_CFG, 0);
nandc_write(nandc, NAND_DEV_CMD_VLD, NAND_DEV_CMD_VLD_VAL);
- /* enable ADM DMA */ - /* enable ADM DMA */
- nandc_write(nandc, NAND_FLASH_CHIP_SELECT, DM_EN); - nandc_write(nandc, NAND_FLASH_CHIP_SELECT, DM_EN);
......
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