diff options
Diffstat (limited to 'hw/misc/imx_ccm.c')
| -rw-r--r-- | hw/misc/imx_ccm.c | 81 |
1 files changed, 8 insertions, 73 deletions
diff --git a/hw/misc/imx_ccm.c b/hw/misc/imx_ccm.c index 0920288634..2e19dbb1bb 100644 --- a/hw/misc/imx_ccm.c +++ b/hw/misc/imx_ccm.c @@ -2,6 +2,7 @@ * 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. @@ -10,51 +11,23 @@ * the CCM. */ -#include "hw/hw.h" -#include "hw/sysbus.h" -#include "sysemu/sysemu.h" -#include "hw/arm/imx.h" +#include "hw/misc/imx_ccm.h" #define CKIH_FREQ 26000000 /* 26MHz crystal input */ #define CKIL_FREQ 32768 /* nominal 32khz clock */ - //#define DEBUG_CCM 1 #ifdef DEBUG_CCM #define DPRINTF(fmt, args...) \ -do { printf("imx_ccm: " fmt , ##args); } while (0) +do { printf("%s: " fmt , TYPE_IMX_CCM, ##args); } while (0) #else #define DPRINTF(fmt, args...) do {} while (0) #endif static int imx_ccm_post_load(void *opaque, int version_id); -#define TYPE_IMX_CCM "imx_ccm" -#define IMX_CCM(obj) OBJECT_CHECK(IMXCCMState, (obj), TYPE_IMX_CCM) - -typedef struct IMXCCMState { - SysBusDevice parent_obj; - - MemoryRegion iomem; - - uint32_t ccmr; - uint32_t pdr0; - uint32_t pdr1; - uint32_t mpctl; - uint32_t spctl; - uint32_t cgr[3]; - uint32_t pmcr0; - uint32_t pmcr1; - - /* Frequencies precalculated on register changes */ - uint32_t pll_refclk_freq; - uint32_t mcu_clk_freq; - uint32_t hsp_clk_freq; - uint32_t ipg_clk_freq; -} IMXCCMState; - static const VMStateDescription vmstate_imx_ccm = { - .name = "imx-ccm", + .name = TYPE_IMX_CCM, .version_id = 1, .minimum_version_id = 1, .fields = (VMStateField[]) { @@ -72,44 +45,6 @@ static const VMStateDescription vmstate_imx_ccm = { .post_load = imx_ccm_post_load, }; -/* CCMR */ -#define CCMR_FPME (1<<0) -#define CCMR_MPE (1<<3) -#define CCMR_MDS (1<<7) -#define CCMR_FPMF (1<<26) -#define CCMR_PRCS (3<<1) - -/* PDR0 */ -#define PDR0_MCU_PODF_SHIFT (0) -#define PDR0_MCU_PODF_MASK (0x7) -#define PDR0_MAX_PODF_SHIFT (3) -#define PDR0_MAX_PODF_MASK (0x7) -#define PDR0_IPG_PODF_SHIFT (6) -#define PDR0_IPG_PODF_MASK (0x3) -#define PDR0_NFC_PODF_SHIFT (8) -#define PDR0_NFC_PODF_MASK (0x7) -#define PDR0_HSP_PODF_SHIFT (11) -#define PDR0_HSP_PODF_MASK (0x7) -#define PDR0_PER_PODF_SHIFT (16) -#define PDR0_PER_PODF_MASK (0x1f) -#define PDR0_CSI_PODF_SHIFT (23) -#define PDR0_CSI_PODF_MASK (0x1ff) - -#define EXTRACT(value, name) (((value) >> PDR0_##name##_PODF_SHIFT) \ - & PDR0_##name##_PODF_MASK) -#define INSERT(value, name) (((value) & PDR0_##name##_PODF_MASK) << \ - PDR0_##name##_PODF_SHIFT) -/* PLL control registers */ -#define PD(v) (((v) >> 26) & 0xf) -#define MFD(v) (((v) >> 16) & 0x3ff) -#define MFI(v) (((v) >> 10) & 0xf); -#define MFN(v) ((v) & 0x3ff) - -#define PLL_PD(x) (((x) & 0xf) << 26) -#define PLL_MFD(x) (((x) & 0x3ff) << 16) -#define PLL_MFI(x) (((x) & 0xf) << 10) -#define PLL_MFN(x) (((x) & 0x3ff) << 0) - uint32_t imx_clock_frequency(DeviceState *dev, IMXClk clock) { IMXCCMState *s = IMX_CCM(dev); @@ -174,7 +109,7 @@ static void update_clocks(IMXCCMState *s) s->hsp_clk_freq = s->mcu_clk_freq / (1 + EXTRACT(s->pdr0, HSP)); s->ipg_clk_freq = s->hsp_clk_freq / (1 + EXTRACT(s->pdr0, IPG)); - DPRINTF("Clocks: mcu %uMHz, HSP %uMHz, IPG %uHz\n", + DPRINTF("%s: mcu %uMHz, HSP %uMHz, IPG %uHz\n", __func__, s->mcu_clk_freq / 1000000, s->hsp_clk_freq / 1000000, s->ipg_clk_freq); @@ -200,7 +135,7 @@ static uint64_t imx_ccm_read(void *opaque, hwaddr offset, { IMXCCMState *s = (IMXCCMState *)opaque; - DPRINTF("read(offset=%x)", offset >> 2); + DPRINTF("%s(offset=%x)", __func__, offset >> 2); switch (offset >> 2) { case 0: /* CCMR */ DPRINTF(" ccmr = 0x%x\n", s->ccmr); @@ -241,7 +176,7 @@ static void imx_ccm_write(void *opaque, hwaddr offset, { IMXCCMState *s = (IMXCCMState *)opaque; - DPRINTF("write(offset=%x, value = %x)\n", + DPRINTF("%s(offset=%x, value = %x)\n", __func__, offset >> 2, (unsigned int)value); switch (offset >> 2) { case 0: @@ -286,7 +221,7 @@ static int imx_ccm_init(SysBusDevice *dev) IMXCCMState *s = IMX_CCM(dev); memory_region_init_io(&s->iomem, OBJECT(dev), &imx_ccm_ops, s, - "imx_ccm", 0x1000); + TYPE_IMX_CCM, 0x1000); sysbus_init_mmio(dev, &s->iomem); return 0; |