Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2025-02-18 06:58:54 +00:00
Code Issues Projects Releases Packages Wiki Activity

arm64: mvebu: a8k: Add support for NAND clock get

Browse source 
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>
This commit is contained in:
Konstantin Porotchkin 2017-04-05 18:22:31 +03:00 • committed by Stefan Roese
parent f4f194e864
commit a2cb55938f
1 changed files with 18 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
arch/arm/mach-mvebu/armada8k/cpu.c
View file

@ -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;
}