diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2015-08-15 09:38:33 (GMT) |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2015-08-31 06:43:41 (GMT) |
| commit | 630cf2e7628502b410622fcfa72bd553a94dfa93 (patch) | |
| tree | f399dcfe7dde66aa25d2acf278144eef0cd1d8d8 /drivers | |
| parent | 10d069b79734942226223178a9e18b26da60002f (diff) | |
| download | u-boot-630cf2e7628502b410622fcfa72bd553a94dfa93.tar.xz | |
sunxi_nand_spl: We only need to reset the nand chip once
There is no need to reset the nand chip for every ecc-block read.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/nand/sunxi_nand_spl.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/mtd/nand/sunxi_nand_spl.c b/drivers/mtd/nand/sunxi_nand_spl.c index 46654e4..56c0be0 100644 --- a/drivers/mtd/nand/sunxi_nand_spl.c +++ b/drivers/mtd/nand/sunxi_nand_spl.c @@ -162,6 +162,16 @@ void nand_init(void) NFC_CTL_RESET, MAX_RETRIES)) { printf("Couldn't initialize nand\n"); } + + /* reset NAND */ + writel(NFC_SEND_CMD1 | NFC_WAIT_FLAG | NAND_CMD_RESET, + SUNXI_NFC_BASE + NFC_CMD); + + if (!check_value(SUNXI_NFC_BASE + NFC_ST, NFC_CMD_INT_FLAG, + MAX_RETRIES)) { + printf("Error timeout waiting for nand reset\n"); + return; + } } static void nand_read_page(unsigned int real_addr, dma_addr_t dst, @@ -223,16 +233,6 @@ static void nand_read_page(unsigned int real_addr, dma_addr_t dst, return; } - /* set CMD */ - writel(NFC_SEND_CMD1 | NFC_WAIT_FLAG | NAND_CMD_RESET, - SUNXI_NFC_BASE + NFC_CMD); - - if (!check_value(SUNXI_NFC_BASE + NFC_ST, NFC_CMD_INT_FLAG, - MAX_RETRIES)) { - printf("Error while initilizing command interrupt\n"); - return; - } - page = real_addr / CONFIG_NAND_SUNXI_SPL_PAGE_SIZE; column = real_addr % CONFIG_NAND_SUNXI_SPL_PAGE_SIZE; |