diff options
Diffstat (limited to 'arch/arm/mach-imx/include/mach/flash-header/vf610-ddr-pll2-400mhz.imxcfg')
| -rw-r--r-- | arch/arm/mach-imx/include/mach/flash-header/vf610-ddr-pll2-400mhz.imxcfg | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/arch/arm/mach-imx/include/mach/flash-header/vf610-ddr-pll2-400mhz.imxcfg b/arch/arm/mach-imx/include/mach/flash-header/vf610-ddr-pll2-400mhz.imxcfg deleted file mode 100644 index 74d119b59e..0000000000 --- a/arch/arm/mach-imx/include/mach/flash-header/vf610-ddr-pll2-400mhz.imxcfg +++ /dev/null @@ -1,46 +0,0 @@ -/* - * Ungate all IP block clocks - */ -wm 32 0x4006b040 0xffffffff -wm 32 0x4006b044 0xffffffff -wm 32 0x4006b048 0xffffffff -wm 32 0x4006b04c 0xffffffff -wm 32 0x4006b050 0xffffffff -wm 32 0x4006b058 0xffffffff -wm 32 0x4006b05c 0xffffffff -wm 32 0x4006b060 0xffffffff -wm 32 0x4006b064 0xffffffff -wm 32 0x4006b068 0xffffffff -wm 32 0x4006b06c 0xffffffff - -/* - * We have to options to clock DDR controller: - * - * - Use Core-A5 clock - * - Use PLL2 PFD2 clock - * - - * Using first option without changing PLL settings doesn't seem to be - * possible given that DDRMC requires minimum of 300Mhz and MaskROM - * configures it to be clocked at 264Mhz. Changing PLL1 settings - * proved to be challenging becuase MaskROM code executing this DCD - * will also be fetching the rest of the bootloader via some - * peripheral interface whose clock is derived from Cortex-A5 clock. - * - * As a result this DCD configuration code uses the second option of - * clocking DDR wiht PLL2 PFD2 clock output - * - * Turn PLL2 on - */ -wm 32 0x40050030 0x00002001 /* Fout = Fin * 22 */ - -/* - * Wait for PLLs to lock - */ -check 32 until_any_bit_set 0x40050030 0x80000000 - -/* - * Switch DDRMC to be clocked with PLL2 PFD2 and enable PFD2 output - */ -clear_bits 32 0x4006b008 0x00000040 -set_bits 32 0x4006b008 0x00002000 |