diff options
author | 2017-04-25 03:31:15 -0700 | |
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committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/misc/imx_ccm.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/hw/misc/imx_ccm.c')
-rw-r--r-- | qemu/hw/misc/imx_ccm.c | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/qemu/hw/misc/imx_ccm.c b/qemu/hw/misc/imx_ccm.c deleted file mode 100644 index 986d890ca..000000000 --- a/qemu/hw/misc/imx_ccm.c +++ /dev/null @@ -1,85 +0,0 @@ -/* - * IMX31 Clock Control Module - * - * Copyright (C) 2012 NICTA - * Updated by Jean-Christophe Dubois <jcd@tribudubois.net> - * - * This work is licensed under the terms of the GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. - * - * This is an abstract base class used to get a common interface to - * retrieve the CCM frequencies from the various i.MX SOC. - */ - -#include "qemu/osdep.h" -#include "hw/misc/imx_ccm.h" - -#ifndef DEBUG_IMX_CCM -#define DEBUG_IMX_CCM 0 -#endif - -#define DPRINTF(fmt, args...) \ - do { \ - if (DEBUG_IMX_CCM) { \ - fprintf(stderr, "[%s]%s: " fmt , TYPE_IMX_CCM, \ - __func__, ##args); \ - } \ - } while (0) - - -uint32_t imx_ccm_get_clock_frequency(IMXCCMState *dev, IMXClk clock) -{ - uint32_t freq = 0; - IMXCCMClass *klass = IMX_GET_CLASS(dev); - - if (klass->get_clock_frequency) { - freq = klass->get_clock_frequency(dev, clock); - } - - DPRINTF("(clock = %d) = %d\n", clock, freq); - - return freq; -} - -/* - * Calculate PLL output frequency - */ -uint32_t imx_ccm_calc_pll(uint32_t pllreg, uint32_t base_freq) -{ - int32_t freq; - int32_t mfn = MFN(pllreg); /* Numerator */ - uint32_t mfi = MFI(pllreg); /* Integer part */ - uint32_t mfd = 1 + MFD(pllreg); /* Denominator */ - uint32_t pd = 1 + PD(pllreg); /* Pre-divider */ - - if (mfi < 5) { - mfi = 5; - } - - /* mfn is 10-bit signed twos-complement */ - mfn <<= 32 - 10; - mfn >>= 32 - 10; - - freq = ((2 * (base_freq >> 10) * (mfi * mfd + mfn)) / - (mfd * pd)) << 10; - - DPRINTF("(pllreg = 0x%08x, base_freq = %d) = %d\n", pllreg, base_freq, - freq); - - return freq; -} - -static const TypeInfo imx_ccm_info = { - .name = TYPE_IMX_CCM, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(IMXCCMState), - .class_size = sizeof(IMXCCMClass), - .abstract = true, -}; - -static void imx_ccm_register_types(void) -{ - type_register_static(&imx_ccm_info); -} - -type_init(imx_ccm_register_types) |