Message ID | 1491405753-10451-1-git-send-email-kostap@marvell.com |
---|---|
State | Accepted |
Commit | a2cb55938fd9bd00dddcd0991d67fd1dd9e05ad5 |
Delegated to: | Stefan Roese |
Headers | show |
On 05.04.2017 17:22, kostap@marvell.com wrote: > From: Konstantin Porotchkin <kostap@marvell.com> > > Implement mvebu_get_nand_clock call for A8K family. > This function is used by PXA3XX NAND driver. > > Signed-off-by: Konstantin Porotchkin <kostap@marvell.com> > Cc: Stefan Roese <sr@denx.de> > Cc: Igal Liberman <igall@marvell.com> > Cc: Nadav Haklai <nadavh@marvell.com> Reviewed-by: Stefan Roese <sr@denx.de> Thanks, Stefan
On 05.04.2017 17:22, kostap@marvell.com wrote: > From: Konstantin Porotchkin <kostap@marvell.com> > > Implement mvebu_get_nand_clock call for A8K family. > This function is used by PXA3XX NAND driver. > > Signed-off-by: Konstantin Porotchkin <kostap@marvell.com> > Cc: Stefan Roese <sr@denx.de> > Cc: Igal Liberman <igall@marvell.com> > Cc: Nadav Haklai <nadavh@marvell.com> Applied to u-boot-marvell/master. Thanks, Stefan
diff --git a/arch/arm/mach-mvebu/armada8k/cpu.c b/arch/arm/mach-mvebu/armada8k/cpu.c index 2325e9a..38e7d33 100644 --- a/arch/arm/mach-mvebu/armada8k/cpu.c +++ b/arch/arm/mach-mvebu/armada8k/cpu.c @@ -110,3 +110,21 @@ void reset_cpu(ulong ignored) reg &= ~(1 << RFU_SW_RESET_OFFSET); writel(reg, RFU_GLOBAL_SW_RST); } + +/* + * TODO - implement this functionality using platform + * clock driver once it gets available + * Return NAND clock in Hz + */ +u32 mvebu_get_nand_clock(void) +{ + unsigned long NAND_FLASH_CLK_CTRL = 0xF2440700UL; + unsigned long NF_CLOCK_SEL_MASK = 0x1; + u32 reg; + + reg = readl(NAND_FLASH_CLK_CTRL); + if (reg & NF_CLOCK_SEL_MASK) + return 400 * 1000000; + else + return 250 * 1000000; +}