Update OneNAND support for OMAP3.
Signed-off-by: Adrian Hunter <ext-adrian.hunter@xxxxxxxxx>
---
arch/arm/mach-omap2/board-n800-flash.c | 240 ++++++++++++++++++++++++--------
arch/arm/mach-omap2/gpmc.c | 5 +
drivers/mtd/onenand/omap2.c | 186 +++++++++++++++++++++++--
include/asm-arm/arch-omap/gpmc.h | 4 +
include/asm-arm/arch-omap/onenand.h | 3 +
include/linux/mtd/onenand_regs.h | 2 +
6 files changed, 367 insertions(+), 73 deletions(-)
diff --git a/arch/arm/mach-omap2/board-n800-flash.c b/arch/arm/mach-omap2/board-n800-flash.c
index f7403b9..cd98be5 100644
--- a/arch/arm/mach-omap2/board-n800-flash.c
+++ b/arch/arm/mach-omap2/board-n800-flash.c
@@ -19,13 +19,17 @@
#include <asm/arch/board.h>
#include <asm/arch/gpmc.h>
-static struct mtd_partition n800_partitions[8];
+struct mtd_partition n800_partitions[ONENAND_MAX_PARTITIONS];
static int n800_onenand_setup(void __iomem *, int freq);
static struct omap_onenand_platform_data n800_onenand_data = {
.cs = 0,
+#ifdef CONFIG_ARCH_OMAP3430
+ .gpio_irq = 65,
+#else
.gpio_irq = 26,
+#endif
.parts = n800_partitions,
.nr_parts = 0, /* filled later */
.onenand_setup = n800_onenand_setup,
@@ -39,6 +43,55 @@ static struct platform_device n800_onenand_device = {
},
};
+static int omap2_onenand_set_async_mode(int cs, void __iomem *onenand_base)
+{
+ struct gpmc_timings t;
+
+ const int t_cer = 15;
+ const int t_avdp = 12;
+ const int t_aavdh = 7;
+ const int t_ce = 76;
+ const int t_aa = 76;
+ const int t_oe = 20;
+ const int t_cez = 20; /* max of t_cez, t_oez */
+ const int t_ds = 30;
+ const int t_wpl = 40;
+ const int t_wph = 30;
+
+ memset(&t, 0, sizeof(t));
+ t.sync_clk = 0;
+ t.cs_on = 0;
+ t.adv_on = 0;
+
+ /* Read */
+ t.adv_rd_off = gpmc_round_ns_to_ticks(max_t(int, t_avdp, t_cer));
+ t.oe_on = t.adv_rd_off + gpmc_round_ns_to_ticks(t_aavdh);
+ t.access = t.adv_on + gpmc_round_ns_to_ticks(t_aa);
+ t.access = max_t(int, t.access, t.cs_on + gpmc_round_ns_to_ticks(t_ce));
+ t.access = max_t(int, t.access, t.oe_on + gpmc_round_ns_to_ticks(t_oe));
+ t.oe_off = t.access + gpmc_round_ns_to_ticks(1);
+ t.cs_rd_off = t.oe_off;
+ t.rd_cycle = t.cs_rd_off + gpmc_round_ns_to_ticks(t_cez);
+
+ /* Write */
+ t.adv_wr_off = t.adv_rd_off;
+ t.we_on = t.oe_on;
+#ifdef CONFIG_ARCH_OMAP3430
+ t.wr_data_mux_bus = t.we_on;
+ t.wr_access = t.we_on + gpmc_round_ns_to_ticks(t_ds);
+#endif
+ t.we_off = t.we_on + gpmc_round_ns_to_ticks(t_wpl);
+ t.cs_wr_off = t.we_off + gpmc_round_ns_to_ticks(t_wph);
+ t.wr_cycle = t.cs_wr_off + gpmc_round_ns_to_ticks(t_cez);
+
+ /* Configure GPMC for asynchronous read */
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1,
+ GPMC_CONFIG1_DEVICESIZE_16 |
+ GPMC_CONFIG1_MUXADDDATA);
+
+ return gpmc_cs_set_timings(cs, &t);
+}
+
static unsigned short omap2_onenand_readw(void __iomem *addr)
{
return readw(addr);
@@ -49,54 +102,124 @@ static void omap2_onenand_writew(unsigned short value, void __iomem *addr)
writew(value, addr);
}
+static void set_onenand_cfg(void __iomem *onenand_base, int latency,
+ int sync_write, int hf)
+{
+ u32 reg;
+
+ reg = omap2_onenand_readw(onenand_base + ONENAND_REG_SYS_CFG1);
+ reg &= ~((0x7 << ONENAND_SYS_CFG1_BRL_SHIFT) | (0x7 << 9));
+ reg |= (latency << ONENAND_SYS_CFG1_BRL_SHIFT) |
+ ONENAND_SYS_CFG1_SYNC_READ |
+ ONENAND_SYS_CFG1_BL_16;
+ if (sync_write)
+ reg |= ONENAND_SYS_CFG1_SYNC_WRITE;
+ else
+ reg &= ~ONENAND_SYS_CFG1_SYNC_WRITE;
+ if (hf)
+ reg |= ONENAND_SYS_CFG1_HF;
+ else
+ reg &= ~ONENAND_SYS_CFG1_HF;
+ omap2_onenand_writew(reg, onenand_base + ONENAND_REG_SYS_CFG1);
+}
+
static int omap2_onenand_set_sync_mode(int cs, void __iomem *onenand_base,
int freq)
{
struct gpmc_timings t;
- int min_gpmc_clk_period, t_ces, t_avds, t_avdh, t_avdp, t_wpl, t_wea;
+ const int t_cer = 15;
+ const int t_avdp = 12;
+ const int t_cez = 20; /* max of t_cez, t_oez */
+#ifdef CONFIG_ARCH_OMAP3430
+ const int t_ds = 30;
+#endif
+ const int t_wpl = 40;
+ const int t_wph = 30;
+ int min_gpmc_clk_period, t_ces, t_avds, t_avdh, t_ach, t_aavdh, t_rdyo;
int tick_ns, div, fclk_offset_ns, fclk_offset, gpmc_clk_ns, latency;
- int err;
+ int err, ticks_cez, sync_write = 0, first_time = 0, hf = 0;
u32 reg;
-again:
+ if (!freq) {
+ /* Very first call freq is not known */
+ err = omap2_onenand_set_async_mode(cs, onenand_base);
+ if (err)
+ return err;
+ reg = omap2_onenand_readw(onenand_base+ONENAND_REG_VERSION_ID);
+ switch ((reg >> 4) & 0xf) {
+ case 0:
+ freq = 40;
+ break;
+ case 1:
+ freq = 54;
+ break;
+ case 2:
+ freq = 66;
+ break;
+ case 3:
+ freq = 83;
+ break;
+ case 4:
+ freq = 104;
+ break;
+ default:
+ freq = 54;
+ break;
+ }
+ first_time = 1;
+ }
+
switch (freq) {
case 83:
min_gpmc_clk_period = 12; /* 83 MHz */
- t_ces = 5;
- t_avds = 5;
- t_avdh = 6;
- t_avdp = 12;
- t_wpl = 40;
- t_wea = 15;
+ t_ces = 5;
+ t_avds = 4;
+ t_avdh = 2;
+ t_ach = 6;
+ t_aavdh = 6;
+ t_rdyo = 9;
+#ifdef CONFIG_ARCH_OMAP3430
+ sync_write = 1;
+#endif
break;
case 66:
min_gpmc_clk_period = 15; /* 66 MHz */
- t_ces = 6;
- t_avds = 5;
- t_avdh = 6;
- t_avdp = 12;
- t_wpl = 40;
- t_wea = 15;
+ t_ces = 6;
+ t_avds = 5;
+ t_avdh = 2;
+ t_ach = 6;
+ t_aavdh = 6;
+ t_rdyo = 11;
+#ifdef CONFIG_ARCH_OMAP3430
+ sync_write = 1;
+#endif
break;
default:
min_gpmc_clk_period = 18; /* 54 MHz */
- t_ces = 7;
- t_avds = 7;
- t_avdh = 7;
- t_avdp = 12;
- t_wpl = 40;
- t_wea = 15;
+ t_ces = 7;
+ t_avds = 7;
+ t_avdh = 7;
+ t_ach = 9;
+ t_aavdh = 7;
+ t_rdyo = 15;
break;
}
tick_ns = gpmc_ticks_to_ns(1);
div = gpmc_cs_calc_divider(cs, min_gpmc_clk_period);
gpmc_clk_ns = gpmc_ticks_to_ns(div);
- if (gpmc_clk_ns >= 25) /* 40 MHz*/
+ if (gpmc_clk_ns < 15) /* >66Mhz */
+ hf = 1;
+ if (hf)
+ latency = 6;
+ else if (gpmc_clk_ns >= 25) /* 40 MHz*/
latency = 3;
else
latency = 4;
+ if (first_time)
+ set_onenand_cfg(onenand_base, latency, sync_write, hf);
+
if (div == 1) {
reg = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG2);
reg |= (1 << 7);
@@ -121,7 +244,7 @@ again:
gpmc_cs_write_reg(cs, GPMC_CS_CONFIG4, reg);
}
- /* Set syncronous read timings */
+ /* Set synchronous read timings */
memset(&t, 0, sizeof(t));
t.sync_clk = min_gpmc_clk_period;
t.cs_on = 0;
@@ -132,28 +255,52 @@ again:
/* Read */
t.adv_rd_off = gpmc_ticks_to_ns(fclk_offset + gpmc_ns_to_ticks(t_avdh));
- t.oe_on = t.adv_rd_off;
+ t.oe_on = gpmc_ticks_to_ns(fclk_offset + gpmc_ns_to_ticks(t_ach));
t.access = gpmc_ticks_to_ns(fclk_offset + (latency + 1) * div);
t.oe_off = t.access + gpmc_round_ns_to_ticks(1);
t.cs_rd_off = t.oe_off;
- t.rd_cycle = gpmc_ticks_to_ns(fclk_offset + (latency + 1) * div + div);
+ ticks_cez = ((gpmc_ns_to_ticks(t_cez) + div - 1) / div) * div;
+ t.rd_cycle = gpmc_ticks_to_ns(fclk_offset + (latency + 1) * div +
+ ticks_cez);
/* Write */
- t.adv_wr_off = t.adv_on + gpmc_round_ns_to_ticks(t_avdp);
- t.we_on = t.adv_wr_off + gpmc_round_ns_to_ticks(t_avdh);
- t.we_off = t.we_on + gpmc_round_ns_to_ticks(t_wpl);
- t.cs_wr_off = t.we_off + gpmc_round_ns_to_ticks(1);
- t.wr_cycle = t.we_off + gpmc_round_ns_to_ticks(t_wea);
+ if (sync_write) {
+ t.adv_wr_off = t.adv_rd_off;
+ t.we_on = 0;
+ t.we_off = t.cs_rd_off;
+ t.cs_wr_off = t.cs_rd_off;
+ t.wr_cycle = t.rd_cycle;
+#ifdef CONFIG_ARCH_OMAP3430
+ t.wr_data_mux_bus = gpmc_ticks_to_ns(fclk_offset +
+ gpmc_ns_to_ticks(min_gpmc_clk_period +
+ t_rdyo));
+ t.wr_access = t.access;
+#endif
+ } else {
+ t.adv_wr_off = gpmc_round_ns_to_ticks(max_t(int, t_avdp, t_cer));
+ t.we_on = t.adv_wr_off + gpmc_round_ns_to_ticks(t_aavdh);
+ t.we_off = t.we_on + gpmc_round_ns_to_ticks(t_wpl);
+ t.cs_wr_off = t.we_off + gpmc_round_ns_to_ticks(t_wph);
+ t.wr_cycle = t.cs_wr_off + gpmc_round_ns_to_ticks(t_cez);
+#ifdef CONFIG_ARCH_OMAP3430
+ t.wr_data_mux_bus = t.we_on;
+ t.wr_access = t.we_on + gpmc_round_ns_to_ticks(t_ds);
+#endif
+ }
/* Configure GPMC for synchronous read */
gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1,
GPMC_CONFIG1_WRAPBURST_SUPP |
GPMC_CONFIG1_READMULTIPLE_SUPP |
GPMC_CONFIG1_READTYPE_SYNC |
+ (sync_write?GPMC_CONFIG1_WRITEMULTIPLE_SUPP:0) |
+ (sync_write?GPMC_CONFIG1_WRITETYPE_SYNC:0) |
GPMC_CONFIG1_CLKACTIVATIONTIME(fclk_offset) |
GPMC_CONFIG1_PAGE_LEN(2) |
+#ifndef CONFIG_ARCH_OMAP3430
GPMC_CONFIG1_WAIT_READ_MON |
GPMC_CONFIG1_WAIT_PIN_SEL(0) |
+#endif
GPMC_CONFIG1_DEVICESIZE_16 |
GPMC_CONFIG1_DEVICETYPE_NOR |
GPMC_CONFIG1_MUXADDDATA);
@@ -162,39 +309,12 @@ again:
if (err)
return err;
- if (!freq) {
- /* Very first call freq is not known */
- reg = omap2_onenand_readw(onenand_base + ONENAND_REG_VERSION_ID);
- switch ((reg >> 4) & 0xf) {
- case 0:
- freq = 40;
- break;
- case 1:
- freq = 54;
- break;
- case 2:
- freq = 66;
- break;
- case 3:
- freq = 83;
- break;
- }
- if (freq && freq != 54)
- goto again;
- }
-
- /* Configure OneNAND for sync read */
- reg = omap2_onenand_readw(onenand_base + ONENAND_REG_SYS_CFG1);
- reg &= ~((0x7 << ONENAND_SYS_CFG1_BRL_SHIFT) | (0x7 << 9));
- reg |= (latency << ONENAND_SYS_CFG1_BRL_SHIFT) |
- ONENAND_SYS_CFG1_SYNC_READ |
- ONENAND_SYS_CFG1_BL_16;
- omap2_onenand_writew(reg, onenand_base + ONENAND_REG_SYS_CFG1);
+ set_onenand_cfg(onenand_base, latency, sync_write, hf);
return 0;
}
-static int n800_onenand_setup(void __iomem *onenand_base, int freq)
+int n800_onenand_setup(void __iomem *onenand_base, int freq)
{
struct omap_onenand_platform_data *datap = &n800_onenand_data;
struct device *dev = &n800_onenand_device.dev;
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 87368a8..b46c6be 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -232,6 +232,11 @@ int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t)
GPMC_SET_ONE(GPMC_CS_CONFIG5, 24, 27, page_burst_access);
+#ifdef CONFIG_ARCH_OMAP3430
+ GPMC_SET_ONE(GPMC_CS_CONFIG6, 16, 19, wr_data_mux_bus);
+ GPMC_SET_ONE(GPMC_CS_CONFIG6, 24, 28, wr_access);
+#endif
+
/* caller is expected to have initialized CONFIG1 to cover
* at least sync vs async
*/
diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
index ba83900..378ee17 100644
--- a/drivers/mtd/onenand/omap2.c
+++ b/drivers/mtd/onenand/omap2.c
@@ -180,32 +180,36 @@ retry:
interrupt = omap2_onenand_readw(info->onenand.base + ONENAND_REG_INTERRUPT);
ctrl = omap2_onenand_readw(info->onenand.base + ONENAND_REG_CTRL_STATUS);
- if (ctrl & ONENAND_CTRL_ERROR) {
- printk(KERN_ERR "onenand_wait: controller error = 0x%04x\n", ctrl);
- if (ctrl & ONENAND_CTRL_LOCK)
- printk(KERN_ERR "onenand_erase: Device is write protected!!!\n");
- return -EIO;
- }
-
- if (ctrl & 0xFE9F)
- printk(KERN_WARNING "onenand_wait: unexpected controller status = 0x%04x state = %d interrupt = 0x%04x\n", ctrl, state, interrupt);
-
if (interrupt & ONENAND_INT_READ) {
int ecc = omap2_onenand_readw(info->onenand.base + ONENAND_REG_ECC_STATUS);
if (ecc) {
+ unsigned addr1 = omap2_onenand_readw(info->onenand.base + ONENAND_REG_START_ADDRESS1);
+ unsigned addr8 = omap2_onenand_readw(info->onenand.base + ONENAND_REG_START_ADDRESS8);
+
if (ecc & ONENAND_ECC_2BIT_ALL) {
- printk(KERN_ERR "onenand_wait: ECC error = 0x%04x\n", ecc);
+ printk(KERN_ERR "onenand_wait: ECC error = 0x%04x, addr1 %#x, addr8 %#x\n", ecc, addr1, addr8);
mtd->ecc_stats.failed++;
return -EBADMSG;
- } else if (ecc & ONENAND_ECC_1BIT_ALL)
- printk(KERN_NOTICE "onenand_wait: correctable ECC error = 0x%04x\n", ecc);
+ } else if (ecc & ONENAND_ECC_1BIT_ALL) {
+ printk(KERN_NOTICE "onenand_wait: correctable ECC error = 0x%04x, addr1 %#x, addr8 %#x\n", ecc, addr1, addr8);
mtd->ecc_stats.corrected++;
+ }
}
} else if (state == FL_READING) {
printk(KERN_ERR "onenand_wait: read timeout! ctrl=0x%04x intr=0x%04x\n", ctrl, interrupt);
return -EIO;
}
+ if (ctrl & ONENAND_CTRL_ERROR) {
+ printk(KERN_ERR "onenand_wait: controller error = 0x%04x\n", ctrl);
+ if (ctrl & ONENAND_CTRL_LOCK)
+ printk(KERN_ERR "onenand_erase: Device is write protected!!!\n");
+ return -EIO;
+ }
+
+ if (ctrl & 0xFE9F)
+ printk(KERN_WARNING "onenand_wait: unexpected controller status = 0x%04x state = %d interrupt = 0x%04x\n", ctrl, state, interrupt);
+
return 0;
}
@@ -223,6 +227,155 @@ static inline int omap2_onenand_bufferram_offset(struct mtd_info *mtd, int area)
return 0;
}
+#if defined(CONFIG_ARCH_OMAP3)
+
+static int omap3_onenand_read_bufferram(struct mtd_info *mtd, int area,
+ unsigned char *buffer, int offset,
+ size_t count)
+{
+ struct omap2_onenand *info = container_of(mtd, struct omap2_onenand, mtd);
+ struct onenand_chip *this = mtd->priv;
+ dma_addr_t dma_src, dma_dst;
+ int bram_offset;
+ unsigned long timeout;
+ void *buf = (void *)buffer;
+ size_t xtra;
+ volatile unsigned *done;
+
+ bram_offset = omap2_onenand_bufferram_offset(mtd, area) + area + offset;
+ if (bram_offset & 3 || (size_t)buf & 3 || count < 384)
+ goto out_copy;
+
+ if (buf >= high_memory) {
+ struct page *p1;
+
+ if (((size_t)buf & PAGE_MASK) !=
+ ((size_t)(buf + count - 1) & PAGE_MASK))
+ goto out_copy;
+ p1 = vmalloc_to_page(buf);
+ if (!p1)
+ goto out_copy;
+ buf = page_address(p1) + ((size_t)buf & ~PAGE_MASK);
+ }
+
+ xtra = count & 3;
+ if (xtra) {
+ count -= xtra;
+ memcpy(buf + count, this->base + bram_offset + count, xtra);
+ }
+
+ dma_src = info->phys_base + bram_offset;
+ dma_dst = dma_map_single(&info->pdev->dev, buf, count, DMA_FROM_DEVICE);
+ if (dma_mapping_error(dma_dst)) {
+ dev_err(&info->pdev->dev,
+ "Couldn't DMA map a %d byte buffer\n",
+ count);
+ goto out_copy;
+ }
+
+ omap_set_dma_transfer_params(info->dma_channel, OMAP_DMA_DATA_TYPE_S32,
+ count >> 2, 1, 0, 0, 0);
+ omap_set_dma_src_params(info->dma_channel, 0, OMAP_DMA_AMODE_POST_INC,
+ dma_src, 0, 0);
+ omap_set_dma_dest_params(info->dma_channel, 0, OMAP_DMA_AMODE_POST_INC,
+ dma_dst, 0, 0);
+
+ INIT_COMPLETION(info->dma_done);
+ omap_start_dma(info->dma_channel);
+
+ timeout = jiffies + msecs_to_jiffies(20);
+ done = &info->dma_done.done;
+ while (time_before(jiffies, timeout))
+ if (*done)
+ break;
+
+ dma_unmap_single(&info->pdev->dev, dma_dst, count, DMA_FROM_DEVICE);
+
+ if (!*done) {
+ dev_err(&info->pdev->dev, "timeout waiting for DMA\n");
+ goto out_copy;
+ }
+
+ return 0;
+
+out_copy:
+ memcpy(buf, this->base + bram_offset, count);
+ return 0;
+}
+
+static int omap3_onenand_write_bufferram(struct mtd_info *mtd, int area,
+ const unsigned char *buffer, int offset,
+ size_t count)
+{
+ struct omap2_onenand *info = container_of(mtd, struct omap2_onenand, mtd);
+ struct onenand_chip *this = mtd->priv;
+ dma_addr_t dma_src, dma_dst;
+ int bram_offset;
+ unsigned long timeout;
+ void *buf = (void *)buffer;
+ volatile unsigned *done;
+
+ bram_offset = omap2_onenand_bufferram_offset(mtd, area) + area + offset;
+ if (bram_offset & 3 || (size_t)buf & 3 || count < 384)
+ goto out_copy;
+
+ /* panic_write() may be in an interrupt context */
+ if (in_interrupt())
+ goto out_copy;
+
+ if (buf >= high_memory) {
+ struct page *p1;
+
+ if (((size_t)buf & PAGE_MASK) !=
+ ((size_t)(buf + count - 1) & PAGE_MASK))
+ goto out_copy;
+ p1 = vmalloc_to_page(buf);
+ if (!p1)
+ goto out_copy;
+ buf = page_address(p1) + ((size_t)buf & ~PAGE_MASK);
+ }
+
+ dma_src = dma_map_single(&info->pdev->dev, buf, count, DMA_TO_DEVICE);
+ dma_dst = info->phys_base + bram_offset;
+ if (dma_mapping_error(dma_dst)) {
+ dev_err(&info->pdev->dev,
+ "Couldn't DMA map a %d byte buffer\n",
+ count);
+ return -1;
+ }
+
+ omap_set_dma_transfer_params(info->dma_channel, OMAP_DMA_DATA_TYPE_S32,
+ count >> 2, 1, 0, 0, 0);
+ omap_set_dma_src_params(info->dma_channel, 0, OMAP_DMA_AMODE_POST_INC,
+ dma_src, 0, 0);
+ omap_set_dma_dest_params(info->dma_channel, 0, OMAP_DMA_AMODE_POST_INC,
+ dma_dst, 0, 0);
+
+ INIT_COMPLETION(info->dma_done);
+ omap_start_dma(info->dma_channel);
+
+ timeout = jiffies + msecs_to_jiffies(20);
+ done = &info->dma_done.done;
+ while (time_before(jiffies, timeout))
+ if (*done)
+ break;
+
+ dma_unmap_single(&info->pdev->dev, dma_dst, count, DMA_TO_DEVICE);
+
+ if (!*done) {
+ dev_err(&info->pdev->dev, "timeout waiting for DMA\n");
+ goto out_copy;
+ }
+
+ return 0;
+
+out_copy:
+ memcpy(this->base + bram_offset, buf, count);
+ return 0;
+}
+
+#else
+
static int omap2_onenand_read_bufferram(struct mtd_info *mtd, int area,
unsigned char *buffer, int offset,
size_t count)
@@ -310,6 +463,8 @@ static int omap2_onenand_write_bufferram(struct mtd_info *mtd, int area,
return 0;
}
+#endif
+
static struct platform_driver omap2_onenand_driver;
static int __adjust_timing(struct device *dev, void *data)
@@ -439,8 +594,13 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
if (info->dma_channel >= 0) {
info->onenand.wait = omap2_onenand_wait;
+#if defined(CONFIG_ARCH_OMAP3)
+ info->onenand.read_bufferram = omap3_onenand_read_bufferram;
+ info->onenand.write_bufferram = omap3_onenand_write_bufferram;
+#else
info->onenand.read_bufferram = omap2_onenand_read_bufferram;
info->onenand.write_bufferram = omap2_onenand_write_bufferram;
+#endif
}
if ((r = onenand_scan(&info->mtd, 1)) < 0)
diff --git a/include/asm-arm/arch-omap/gpmc.h b/include/asm-arm/arch-omap/gpmc.h
index 57fec44..ef6c4c8 100644
--- a/include/asm-arm/arch-omap/gpmc.h
+++ b/include/asm-arm/arch-omap/gpmc.h
@@ -84,6 +84,10 @@ struct gpmc_timings {
u16 access; /* Start-cycle to first data valid delay */
u16 rd_cycle; /* Total read cycle time */
u16 wr_cycle; /* Total write cycle time */
+
+ /* The following are only on OMAP3430 */
+ u16 wr_access; /* WRACCESSTIME */
+ u16 wr_data_mux_bus; /* WRDATAONADMUXBUS */
};
/* Structure to save gpmc cs context */
diff --git a/include/asm-arm/arch-omap/onenand.h b/include/asm-arm/arch-omap/onenand.h
index f0f28d3..e302371 100644
--- a/include/asm-arm/arch-omap/onenand.h
+++ b/include/asm-arm/arch-omap/onenand.h
@@ -21,3 +21,6 @@ struct omap_onenand_platform_data {
};
int omap2_onenand_rephase(void);
+
+#define ONENAND_MAX_PARTITIONS 8
+
diff --git a/include/linux/mtd/onenand_regs.h b/include/linux/mtd/onenand_regs.h
index d1b310c..0c6bbe2 100644
--- a/include/linux/mtd/onenand_regs.h
+++ b/include/linux/mtd/onenand_regs.h
@@ -152,6 +152,8 @@
#define ONENAND_SYS_CFG1_INT (1 << 6)
#define ONENAND_SYS_CFG1_IOBE (1 << 5)
#define ONENAND_SYS_CFG1_RDY_CONF (1 << 4)
+#define ONENAND_SYS_CFG1_HF (1 << 2)
+#define ONENAND_SYS_CFG1_SYNC_WRITE (1 << 1)
/*
* Controller Status Register F240h (R)
--
1.5.4.3
--
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