From: Bartosz Golaszewski <bgolaszew...@baylibre.com>
The support for DaVinci DM* SoCs has been dropped. The code that used
to be relevant to dm644x is no longer needed. Remove it.
Signed-off-by: Bartosz Golaszewski <bgolaszew...@baylibre.com>
---
drivers/mtd/nand/raw/davinci_nand.c | 39 -----------------------------
1 file changed, 39 deletions(-)
diff --git a/drivers/mtd/nand/raw/davinci_nand.c
b/drivers/mtd/nand/raw/davinci_nand.c
index e6a84a52b4..cfa9b535c8 100644
--- a/drivers/mtd/nand/raw/davinci_nand.c
+++ b/drivers/mtd/nand/raw/davinci_nand.c
@@ -730,43 +730,6 @@ static int nand_davinci_dev_ready(struct mtd_info *mtd)
return __raw_readl(&davinci_emif_regs->nandfsr) & 0x1;
}
-static void nand_flash_init(void)
-{
- /* This is for DM6446 EVM and *very* similar. DO NOT GROW THIS!
- * Instead, have your board_init() set EMIF timings, based on its
- * knowledge of the clocks and what devices are hooked up ... and
- * don't even do that unless no UBL handled it.
- */
-#ifdef CONFIG_SOC_DM644X
- u_int32_t acfg1 = 0x3ffffffc;
-
- /*------------------------------------------------------------------*
- * NAND FLASH CHIP TIMEOUT @ 459 MHz *
- * *
- * AEMIF.CLK freq = PLL1/6 = 459/6 = 76.5 MHz *
- * AEMIF.CLK period = 1/76.5 MHz = 13.1 ns *
- * *
- *------------------------------------------------------------------*/
- acfg1 = 0
- | (0 << 31) /* selectStrobe */
- | (0 << 30) /* extWait */
- | (1 << 26) /* writeSetup 10 ns */
- | (3 << 20) /* writeStrobe 40 ns */
- | (1 << 17) /* writeHold 10 ns */
- | (1 << 13) /* readSetup 10 ns */
- | (5 << 7) /* readStrobe 60 ns */
- | (1 << 4) /* readHold 10 ns */
- | (3 << 2) /* turnAround ?? ns */
- | (0 << 0) /* asyncSize 8-bit bus */
- ;
-
- __raw_writel(acfg1, &davinci_emif_regs->ab1cr); /* CS2 */
-
- /* NAND flash on CS2 */
- __raw_writel(0x00000101, &davinci_emif_regs->nandfcr);
-#endif
-}
-
void davinci_nand_init(struct nand_chip *nand)
{
#if defined CONFIG_KEYSTONE_RBL_NAND
@@ -820,8 +783,6 @@ void davinci_nand_init(struct nand_chip *nand)
nand->write_buf = nand_davinci_write_buf;
nand->dev_ready = nand_davinci_dev_ready;
-
- nand_flash_init();
}
int board_nand_init(struct nand_chip *chip) __attribute__((weak));
--
2.21.0
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