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-rw-r--r--qemu/hw/misc/imx6_ccm.c774
1 files changed, 0 insertions, 774 deletions
diff --git a/qemu/hw/misc/imx6_ccm.c b/qemu/hw/misc/imx6_ccm.c
deleted file mode 100644
index 4e1d49da6..000000000
--- a/qemu/hw/misc/imx6_ccm.c
+++ /dev/null
@@ -1,774 +0,0 @@
-/*
- * IMX6 Clock Control Module
- *
- * Copyright (c) 2015 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.
- *
- * To get the timer frequencies right, we need to emulate at least part of
- * the CCM.
- */
-
-#include "qemu/osdep.h"
-#include "hw/misc/imx6_ccm.h"
-
-#ifndef DEBUG_IMX6_CCM
-#define DEBUG_IMX6_CCM 0
-#endif
-
-#define DPRINTF(fmt, args...) \
- do { \
- if (DEBUG_IMX6_CCM) { \
- fprintf(stderr, "[%s]%s: " fmt , TYPE_IMX6_CCM, \
- __func__, ##args); \
- } \
- } while (0)
-
-static char const *imx6_ccm_reg_name(uint32_t reg)
-{
- static char unknown[20];
-
- switch (reg) {
- case CCM_CCR:
- return "CCR";
- case CCM_CCDR:
- return "CCDR";
- case CCM_CSR:
- return "CSR";
- case CCM_CCSR:
- return "CCSR";
- case CCM_CACRR:
- return "CACRR";
- case CCM_CBCDR:
- return "CBCDR";
- case CCM_CBCMR:
- return "CBCMR";
- case CCM_CSCMR1:
- return "CSCMR1";
- case CCM_CSCMR2:
- return "CSCMR2";
- case CCM_CSCDR1:
- return "CSCDR1";
- case CCM_CS1CDR:
- return "CS1CDR";
- case CCM_CS2CDR:
- return "CS2CDR";
- case CCM_CDCDR:
- return "CDCDR";
- case CCM_CHSCCDR:
- return "CHSCCDR";
- case CCM_CSCDR2:
- return "CSCDR2";
- case CCM_CSCDR3:
- return "CSCDR3";
- case CCM_CDHIPR:
- return "CDHIPR";
- case CCM_CTOR:
- return "CTOR";
- case CCM_CLPCR:
- return "CLPCR";
- case CCM_CISR:
- return "CISR";
- case CCM_CIMR:
- return "CIMR";
- case CCM_CCOSR:
- return "CCOSR";
- case CCM_CGPR:
- return "CGPR";
- case CCM_CCGR0:
- return "CCGR0";
- case CCM_CCGR1:
- return "CCGR1";
- case CCM_CCGR2:
- return "CCGR2";
- case CCM_CCGR3:
- return "CCGR3";
- case CCM_CCGR4:
- return "CCGR4";
- case CCM_CCGR5:
- return "CCGR5";
- case CCM_CCGR6:
- return "CCGR6";
- case CCM_CMEOR:
- return "CMEOR";
- default:
- sprintf(unknown, "%d ?", reg);
- return unknown;
- }
-}
-
-static char const *imx6_analog_reg_name(uint32_t reg)
-{
- static char unknown[20];
-
- switch (reg) {
- case CCM_ANALOG_PLL_ARM:
- return "PLL_ARM";
- case CCM_ANALOG_PLL_ARM_SET:
- return "PLL_ARM_SET";
- case CCM_ANALOG_PLL_ARM_CLR:
- return "PLL_ARM_CLR";
- case CCM_ANALOG_PLL_ARM_TOG:
- return "PLL_ARM_TOG";
- case CCM_ANALOG_PLL_USB1:
- return "PLL_USB1";
- case CCM_ANALOG_PLL_USB1_SET:
- return "PLL_USB1_SET";
- case CCM_ANALOG_PLL_USB1_CLR:
- return "PLL_USB1_CLR";
- case CCM_ANALOG_PLL_USB1_TOG:
- return "PLL_USB1_TOG";
- case CCM_ANALOG_PLL_USB2:
- return "PLL_USB2";
- case CCM_ANALOG_PLL_USB2_SET:
- return "PLL_USB2_SET";
- case CCM_ANALOG_PLL_USB2_CLR:
- return "PLL_USB2_CLR";
- case CCM_ANALOG_PLL_USB2_TOG:
- return "PLL_USB2_TOG";
- case CCM_ANALOG_PLL_SYS:
- return "PLL_SYS";
- case CCM_ANALOG_PLL_SYS_SET:
- return "PLL_SYS_SET";
- case CCM_ANALOG_PLL_SYS_CLR:
- return "PLL_SYS_CLR";
- case CCM_ANALOG_PLL_SYS_TOG:
- return "PLL_SYS_TOG";
- case CCM_ANALOG_PLL_SYS_SS:
- return "PLL_SYS_SS";
- case CCM_ANALOG_PLL_SYS_NUM:
- return "PLL_SYS_NUM";
- case CCM_ANALOG_PLL_SYS_DENOM:
- return "PLL_SYS_DENOM";
- case CCM_ANALOG_PLL_AUDIO:
- return "PLL_AUDIO";
- case CCM_ANALOG_PLL_AUDIO_SET:
- return "PLL_AUDIO_SET";
- case CCM_ANALOG_PLL_AUDIO_CLR:
- return "PLL_AUDIO_CLR";
- case CCM_ANALOG_PLL_AUDIO_TOG:
- return "PLL_AUDIO_TOG";
- case CCM_ANALOG_PLL_AUDIO_NUM:
- return "PLL_AUDIO_NUM";
- case CCM_ANALOG_PLL_AUDIO_DENOM:
- return "PLL_AUDIO_DENOM";
- case CCM_ANALOG_PLL_VIDEO:
- return "PLL_VIDEO";
- case CCM_ANALOG_PLL_VIDEO_SET:
- return "PLL_VIDEO_SET";
- case CCM_ANALOG_PLL_VIDEO_CLR:
- return "PLL_VIDEO_CLR";
- case CCM_ANALOG_PLL_VIDEO_TOG:
- return "PLL_VIDEO_TOG";
- case CCM_ANALOG_PLL_VIDEO_NUM:
- return "PLL_VIDEO_NUM";
- case CCM_ANALOG_PLL_VIDEO_DENOM:
- return "PLL_VIDEO_DENOM";
- case CCM_ANALOG_PLL_MLB:
- return "PLL_MLB";
- case CCM_ANALOG_PLL_MLB_SET:
- return "PLL_MLB_SET";
- case CCM_ANALOG_PLL_MLB_CLR:
- return "PLL_MLB_CLR";
- case CCM_ANALOG_PLL_MLB_TOG:
- return "PLL_MLB_TOG";
- case CCM_ANALOG_PLL_ENET:
- return "PLL_ENET";
- case CCM_ANALOG_PLL_ENET_SET:
- return "PLL_ENET_SET";
- case CCM_ANALOG_PLL_ENET_CLR:
- return "PLL_ENET_CLR";
- case CCM_ANALOG_PLL_ENET_TOG:
- return "PLL_ENET_TOG";
- case CCM_ANALOG_PFD_480:
- return "PFD_480";
- case CCM_ANALOG_PFD_480_SET:
- return "PFD_480_SET";
- case CCM_ANALOG_PFD_480_CLR:
- return "PFD_480_CLR";
- case CCM_ANALOG_PFD_480_TOG:
- return "PFD_480_TOG";
- case CCM_ANALOG_PFD_528:
- return "PFD_528";
- case CCM_ANALOG_PFD_528_SET:
- return "PFD_528_SET";
- case CCM_ANALOG_PFD_528_CLR:
- return "PFD_528_CLR";
- case CCM_ANALOG_PFD_528_TOG:
- return "PFD_528_TOG";
- case CCM_ANALOG_MISC0:
- return "MISC0";
- case CCM_ANALOG_MISC0_SET:
- return "MISC0_SET";
- case CCM_ANALOG_MISC0_CLR:
- return "MISC0_CLR";
- case CCM_ANALOG_MISC0_TOG:
- return "MISC0_TOG";
- case CCM_ANALOG_MISC2:
- return "MISC2";
- case CCM_ANALOG_MISC2_SET:
- return "MISC2_SET";
- case CCM_ANALOG_MISC2_CLR:
- return "MISC2_CLR";
- case CCM_ANALOG_MISC2_TOG:
- return "MISC2_TOG";
- case PMU_REG_1P1:
- return "PMU_REG_1P1";
- case PMU_REG_3P0:
- return "PMU_REG_3P0";
- case PMU_REG_2P5:
- return "PMU_REG_2P5";
- case PMU_REG_CORE:
- return "PMU_REG_CORE";
- case PMU_MISC1:
- return "PMU_MISC1";
- case PMU_MISC1_SET:
- return "PMU_MISC1_SET";
- case PMU_MISC1_CLR:
- return "PMU_MISC1_CLR";
- case PMU_MISC1_TOG:
- return "PMU_MISC1_TOG";
- case USB_ANALOG_DIGPROG:
- return "USB_ANALOG_DIGPROG";
- default:
- sprintf(unknown, "%d ?", reg);
- return unknown;
- }
-}
-
-#define CKIH_FREQ 24000000 /* 24MHz crystal input */
-
-static const VMStateDescription vmstate_imx6_ccm = {
- .name = TYPE_IMX6_CCM,
- .version_id = 1,
- .minimum_version_id = 1,
- .fields = (VMStateField[]) {
- VMSTATE_UINT32_ARRAY(ccm, IMX6CCMState, CCM_MAX),
- VMSTATE_UINT32_ARRAY(analog, IMX6CCMState, CCM_ANALOG_MAX),
- VMSTATE_END_OF_LIST()
- },
-};
-
-static uint64_t imx6_analog_get_pll2_clk(IMX6CCMState *dev)
-{
- uint64_t freq = 24000000;
-
- if (EXTRACT(dev->analog[CCM_ANALOG_PLL_SYS], DIV_SELECT)) {
- freq *= 22;
- } else {
- freq *= 20;
- }
-
- DPRINTF("freq = %d\n", (uint32_t)freq);
-
- return freq;
-}
-
-static uint64_t imx6_analog_get_pll2_pfd0_clk(IMX6CCMState *dev)
-{
- uint64_t freq = 0;
-
- freq = imx6_analog_get_pll2_clk(dev) * 18
- / EXTRACT(dev->analog[CCM_ANALOG_PFD_528], PFD0_FRAC);
-
- DPRINTF("freq = %d\n", (uint32_t)freq);
-
- return freq;
-}
-
-static uint64_t imx6_analog_get_pll2_pfd2_clk(IMX6CCMState *dev)
-{
- uint64_t freq = 0;
-
- freq = imx6_analog_get_pll2_clk(dev) * 18
- / EXTRACT(dev->analog[CCM_ANALOG_PFD_528], PFD2_FRAC);
-
- DPRINTF("freq = %d\n", (uint32_t)freq);
-
- return freq;
-}
-
-static uint64_t imx6_analog_get_periph_clk(IMX6CCMState *dev)
-{
- uint64_t freq = 0;
-
- switch (EXTRACT(dev->ccm[CCM_CBCMR], PRE_PERIPH_CLK_SEL)) {
- case 0:
- freq = imx6_analog_get_pll2_clk(dev);
- break;
- case 1:
- freq = imx6_analog_get_pll2_pfd2_clk(dev);
- break;
- case 2:
- freq = imx6_analog_get_pll2_pfd0_clk(dev);
- break;
- case 3:
- freq = imx6_analog_get_pll2_pfd2_clk(dev) / 2;
- break;
- default:
- /* We should never get there */
- g_assert_not_reached();
- break;
- }
-
- DPRINTF("freq = %d\n", (uint32_t)freq);
-
- return freq;
-}
-
-static uint64_t imx6_ccm_get_ahb_clk(IMX6CCMState *dev)
-{
- uint64_t freq = 0;
-
- freq = imx6_analog_get_periph_clk(dev)
- / (1 + EXTRACT(dev->ccm[CCM_CBCDR], AHB_PODF));
-
- DPRINTF("freq = %d\n", (uint32_t)freq);
-
- return freq;
-}
-
-static uint64_t imx6_ccm_get_ipg_clk(IMX6CCMState *dev)
-{
- uint64_t freq = 0;
-
- freq = imx6_ccm_get_ahb_clk(dev)
- / (1 + EXTRACT(dev->ccm[CCM_CBCDR], IPG_PODF));;
-
- DPRINTF("freq = %d\n", (uint32_t)freq);
-
- return freq;
-}
-
-static uint64_t imx6_ccm_get_per_clk(IMX6CCMState *dev)
-{
- uint64_t freq = 0;
-
- freq = imx6_ccm_get_ipg_clk(dev)
- / (1 + EXTRACT(dev->ccm[CCM_CSCMR1], PERCLK_PODF));
-
- DPRINTF("freq = %d\n", (uint32_t)freq);
-
- return freq;
-}
-
-static uint32_t imx6_ccm_get_clock_frequency(IMXCCMState *dev, IMXClk clock)
-{
- uint32_t freq = 0;
- IMX6CCMState *s = IMX6_CCM(dev);
-
- switch (clock) {
- case CLK_NONE:
- break;
- case CLK_IPG:
- freq = imx6_ccm_get_ipg_clk(s);
- break;
- case CLK_IPG_HIGH:
- freq = imx6_ccm_get_per_clk(s);
- break;
- case CLK_32k:
- freq = CKIL_FREQ;
- break;
- default:
- qemu_log_mask(LOG_GUEST_ERROR, "[%s]%s: unsupported clock %d\n",
- TYPE_IMX6_CCM, __func__, clock);
- break;
- }
-
- DPRINTF("Clock = %d) = %d\n", clock, freq);
-
- return freq;
-}
-
-static void imx6_ccm_reset(DeviceState *dev)
-{
- IMX6CCMState *s = IMX6_CCM(dev);
-
- DPRINTF("\n");
-
- s->ccm[CCM_CCR] = 0x040116FF;
- s->ccm[CCM_CCDR] = 0x00000000;
- s->ccm[CCM_CSR] = 0x00000010;
- s->ccm[CCM_CCSR] = 0x00000100;
- s->ccm[CCM_CACRR] = 0x00000000;
- s->ccm[CCM_CBCDR] = 0x00018D40;
- s->ccm[CCM_CBCMR] = 0x00022324;
- s->ccm[CCM_CSCMR1] = 0x00F00000;
- s->ccm[CCM_CSCMR2] = 0x02B92F06;
- s->ccm[CCM_CSCDR1] = 0x00490B00;
- s->ccm[CCM_CS1CDR] = 0x0EC102C1;
- s->ccm[CCM_CS2CDR] = 0x000736C1;
- s->ccm[CCM_CDCDR] = 0x33F71F92;
- s->ccm[CCM_CHSCCDR] = 0x0002A150;
- s->ccm[CCM_CSCDR2] = 0x0002A150;
- s->ccm[CCM_CSCDR3] = 0x00014841;
- s->ccm[CCM_CDHIPR] = 0x00000000;
- s->ccm[CCM_CTOR] = 0x00000000;
- s->ccm[CCM_CLPCR] = 0x00000079;
- s->ccm[CCM_CISR] = 0x00000000;
- s->ccm[CCM_CIMR] = 0xFFFFFFFF;
- s->ccm[CCM_CCOSR] = 0x000A0001;
- s->ccm[CCM_CGPR] = 0x0000FE62;
- s->ccm[CCM_CCGR0] = 0xFFFFFFFF;
- s->ccm[CCM_CCGR1] = 0xFFFFFFFF;
- s->ccm[CCM_CCGR2] = 0xFC3FFFFF;
- s->ccm[CCM_CCGR3] = 0xFFFFFFFF;
- s->ccm[CCM_CCGR4] = 0xFFFFFFFF;
- s->ccm[CCM_CCGR5] = 0xFFFFFFFF;
- s->ccm[CCM_CCGR6] = 0xFFFFFFFF;
- s->ccm[CCM_CMEOR] = 0xFFFFFFFF;
-
- s->analog[CCM_ANALOG_PLL_ARM] = 0x00013042;
- s->analog[CCM_ANALOG_PLL_USB1] = 0x00012000;
- s->analog[CCM_ANALOG_PLL_USB2] = 0x00012000;
- s->analog[CCM_ANALOG_PLL_SYS] = 0x00013001;
- s->analog[CCM_ANALOG_PLL_SYS_SS] = 0x00000000;
- s->analog[CCM_ANALOG_PLL_SYS_NUM] = 0x00000000;
- s->analog[CCM_ANALOG_PLL_SYS_DENOM] = 0x00000012;
- s->analog[CCM_ANALOG_PLL_AUDIO] = 0x00011006;
- s->analog[CCM_ANALOG_PLL_AUDIO_NUM] = 0x05F5E100;
- s->analog[CCM_ANALOG_PLL_AUDIO_DENOM] = 0x2964619C;
- s->analog[CCM_ANALOG_PLL_VIDEO] = 0x0001100C;
- s->analog[CCM_ANALOG_PLL_VIDEO_NUM] = 0x05F5E100;
- s->analog[CCM_ANALOG_PLL_VIDEO_DENOM] = 0x10A24447;
- s->analog[CCM_ANALOG_PLL_MLB] = 0x00010000;
- s->analog[CCM_ANALOG_PLL_ENET] = 0x00011001;
- s->analog[CCM_ANALOG_PFD_480] = 0x1311100C;
- s->analog[CCM_ANALOG_PFD_528] = 0x1018101B;
-
- s->analog[PMU_REG_1P1] = 0x00001073;
- s->analog[PMU_REG_3P0] = 0x00000F74;
- s->analog[PMU_REG_2P5] = 0x00005071;
- s->analog[PMU_REG_CORE] = 0x00402010;
- s->analog[PMU_MISC0] = 0x04000000;
- s->analog[PMU_MISC1] = 0x00000000;
- s->analog[PMU_MISC2] = 0x00272727;
-
- s->analog[USB_ANALOG_USB1_VBUS_DETECT] = 0x00000004;
- s->analog[USB_ANALOG_USB1_CHRG_DETECT] = 0x00000000;
- s->analog[USB_ANALOG_USB1_VBUS_DETECT_STAT] = 0x00000000;
- s->analog[USB_ANALOG_USB1_CHRG_DETECT_STAT] = 0x00000000;
- s->analog[USB_ANALOG_USB1_MISC] = 0x00000002;
- s->analog[USB_ANALOG_USB2_VBUS_DETECT] = 0x00000004;
- s->analog[USB_ANALOG_USB2_CHRG_DETECT] = 0x00000000;
- s->analog[USB_ANALOG_USB2_MISC] = 0x00000002;
- s->analog[USB_ANALOG_DIGPROG] = 0x00000000;
-
- /* all PLLs need to be locked */
- s->analog[CCM_ANALOG_PLL_ARM] |= CCM_ANALOG_PLL_LOCK;
- s->analog[CCM_ANALOG_PLL_USB1] |= CCM_ANALOG_PLL_LOCK;
- s->analog[CCM_ANALOG_PLL_USB2] |= CCM_ANALOG_PLL_LOCK;
- s->analog[CCM_ANALOG_PLL_SYS] |= CCM_ANALOG_PLL_LOCK;
- s->analog[CCM_ANALOG_PLL_AUDIO] |= CCM_ANALOG_PLL_LOCK;
- s->analog[CCM_ANALOG_PLL_VIDEO] |= CCM_ANALOG_PLL_LOCK;
- s->analog[CCM_ANALOG_PLL_MLB] |= CCM_ANALOG_PLL_LOCK;
- s->analog[CCM_ANALOG_PLL_ENET] |= CCM_ANALOG_PLL_LOCK;
-}
-
-static uint64_t imx6_ccm_read(void *opaque, hwaddr offset, unsigned size)
-{
- uint32_t value = 0;
- uint32_t index = offset >> 2;
- IMX6CCMState *s = (IMX6CCMState *)opaque;
-
- value = s->ccm[index];
-
- DPRINTF("reg[%s] => 0x%" PRIx32 "\n", imx6_ccm_reg_name(index), value);
-
- return (uint64_t)value;
-}
-
-static void imx6_ccm_write(void *opaque, hwaddr offset, uint64_t value,
- unsigned size)
-{
- uint32_t index = offset >> 2;
- IMX6CCMState *s = (IMX6CCMState *)opaque;
-
- DPRINTF("reg[%s] <= 0x%" PRIx32 "\n", imx6_ccm_reg_name(index),
- (uint32_t)value);
-
- /*
- * We will do a better implementation later. In particular some bits
- * cannot be written to.
- */
- s->ccm[index] = (uint32_t)value;
-}
-
-static uint64_t imx6_analog_read(void *opaque, hwaddr offset, unsigned size)
-{
- uint32_t value;
- uint32_t index = offset >> 2;
- IMX6CCMState *s = (IMX6CCMState *)opaque;
-
- switch (index) {
- case CCM_ANALOG_PLL_ARM_SET:
- case CCM_ANALOG_PLL_USB1_SET:
- case CCM_ANALOG_PLL_USB2_SET:
- case CCM_ANALOG_PLL_SYS_SET:
- case CCM_ANALOG_PLL_AUDIO_SET:
- case CCM_ANALOG_PLL_VIDEO_SET:
- case CCM_ANALOG_PLL_MLB_SET:
- case CCM_ANALOG_PLL_ENET_SET:
- case CCM_ANALOG_PFD_480_SET:
- case CCM_ANALOG_PFD_528_SET:
- case CCM_ANALOG_MISC0_SET:
- case PMU_MISC1_SET:
- case CCM_ANALOG_MISC2_SET:
- case USB_ANALOG_USB1_VBUS_DETECT_SET:
- case USB_ANALOG_USB1_CHRG_DETECT_SET:
- case USB_ANALOG_USB1_MISC_SET:
- case USB_ANALOG_USB2_VBUS_DETECT_SET:
- case USB_ANALOG_USB2_CHRG_DETECT_SET:
- case USB_ANALOG_USB2_MISC_SET:
- /*
- * All REG_NAME_SET register access are in fact targeting the
- * the REG_NAME register.
- */
- value = s->analog[index - 1];
- break;
- case CCM_ANALOG_PLL_ARM_CLR:
- case CCM_ANALOG_PLL_USB1_CLR:
- case CCM_ANALOG_PLL_USB2_CLR:
- case CCM_ANALOG_PLL_SYS_CLR:
- case CCM_ANALOG_PLL_AUDIO_CLR:
- case CCM_ANALOG_PLL_VIDEO_CLR:
- case CCM_ANALOG_PLL_MLB_CLR:
- case CCM_ANALOG_PLL_ENET_CLR:
- case CCM_ANALOG_PFD_480_CLR:
- case CCM_ANALOG_PFD_528_CLR:
- case CCM_ANALOG_MISC0_CLR:
- case PMU_MISC1_CLR:
- case CCM_ANALOG_MISC2_CLR:
- case USB_ANALOG_USB1_VBUS_DETECT_CLR:
- case USB_ANALOG_USB1_CHRG_DETECT_CLR:
- case USB_ANALOG_USB1_MISC_CLR:
- case USB_ANALOG_USB2_VBUS_DETECT_CLR:
- case USB_ANALOG_USB2_CHRG_DETECT_CLR:
- case USB_ANALOG_USB2_MISC_CLR:
- /*
- * All REG_NAME_CLR register access are in fact targeting the
- * the REG_NAME register.
- */
- value = s->analog[index - 2];
- break;
- case CCM_ANALOG_PLL_ARM_TOG:
- case CCM_ANALOG_PLL_USB1_TOG:
- case CCM_ANALOG_PLL_USB2_TOG:
- case CCM_ANALOG_PLL_SYS_TOG:
- case CCM_ANALOG_PLL_AUDIO_TOG:
- case CCM_ANALOG_PLL_VIDEO_TOG:
- case CCM_ANALOG_PLL_MLB_TOG:
- case CCM_ANALOG_PLL_ENET_TOG:
- case CCM_ANALOG_PFD_480_TOG:
- case CCM_ANALOG_PFD_528_TOG:
- case CCM_ANALOG_MISC0_TOG:
- case PMU_MISC1_TOG:
- case CCM_ANALOG_MISC2_TOG:
- case USB_ANALOG_USB1_VBUS_DETECT_TOG:
- case USB_ANALOG_USB1_CHRG_DETECT_TOG:
- case USB_ANALOG_USB1_MISC_TOG:
- case USB_ANALOG_USB2_VBUS_DETECT_TOG:
- case USB_ANALOG_USB2_CHRG_DETECT_TOG:
- case USB_ANALOG_USB2_MISC_TOG:
- /*
- * All REG_NAME_TOG register access are in fact targeting the
- * the REG_NAME register.
- */
- value = s->analog[index - 3];
- break;
- default:
- value = s->analog[index];
- break;
- }
-
- DPRINTF("reg[%s] => 0x%" PRIx32 "\n", imx6_analog_reg_name(index), value);
-
- return (uint64_t)value;
-}
-
-static void imx6_analog_write(void *opaque, hwaddr offset, uint64_t value,
- unsigned size)
-{
- uint32_t index = offset >> 2;
- IMX6CCMState *s = (IMX6CCMState *)opaque;
-
- DPRINTF("reg[%s] <= 0x%" PRIx32 "\n", imx6_analog_reg_name(index),
- (uint32_t)value);
-
- switch (index) {
- case CCM_ANALOG_PLL_ARM_SET:
- case CCM_ANALOG_PLL_USB1_SET:
- case CCM_ANALOG_PLL_USB2_SET:
- case CCM_ANALOG_PLL_SYS_SET:
- case CCM_ANALOG_PLL_AUDIO_SET:
- case CCM_ANALOG_PLL_VIDEO_SET:
- case CCM_ANALOG_PLL_MLB_SET:
- case CCM_ANALOG_PLL_ENET_SET:
- case CCM_ANALOG_PFD_480_SET:
- case CCM_ANALOG_PFD_528_SET:
- case CCM_ANALOG_MISC0_SET:
- case PMU_MISC1_SET:
- case CCM_ANALOG_MISC2_SET:
- case USB_ANALOG_USB1_VBUS_DETECT_SET:
- case USB_ANALOG_USB1_CHRG_DETECT_SET:
- case USB_ANALOG_USB1_MISC_SET:
- case USB_ANALOG_USB2_VBUS_DETECT_SET:
- case USB_ANALOG_USB2_CHRG_DETECT_SET:
- case USB_ANALOG_USB2_MISC_SET:
- /*
- * All REG_NAME_SET register access are in fact targeting the
- * the REG_NAME register. So we change the value of the
- * REG_NAME register, setting bits passed in the value.
- */
- s->analog[index - 1] |= value;
- break;
- case CCM_ANALOG_PLL_ARM_CLR:
- case CCM_ANALOG_PLL_USB1_CLR:
- case CCM_ANALOG_PLL_USB2_CLR:
- case CCM_ANALOG_PLL_SYS_CLR:
- case CCM_ANALOG_PLL_AUDIO_CLR:
- case CCM_ANALOG_PLL_VIDEO_CLR:
- case CCM_ANALOG_PLL_MLB_CLR:
- case CCM_ANALOG_PLL_ENET_CLR:
- case CCM_ANALOG_PFD_480_CLR:
- case CCM_ANALOG_PFD_528_CLR:
- case CCM_ANALOG_MISC0_CLR:
- case PMU_MISC1_CLR:
- case CCM_ANALOG_MISC2_CLR:
- case USB_ANALOG_USB1_VBUS_DETECT_CLR:
- case USB_ANALOG_USB1_CHRG_DETECT_CLR:
- case USB_ANALOG_USB1_MISC_CLR:
- case USB_ANALOG_USB2_VBUS_DETECT_CLR:
- case USB_ANALOG_USB2_CHRG_DETECT_CLR:
- case USB_ANALOG_USB2_MISC_CLR:
- /*
- * All REG_NAME_CLR register access are in fact targeting the
- * the REG_NAME register. So we change the value of the
- * REG_NAME register, unsetting bits passed in the value.
- */
- s->analog[index - 2] &= ~value;
- break;
- case CCM_ANALOG_PLL_ARM_TOG:
- case CCM_ANALOG_PLL_USB1_TOG:
- case CCM_ANALOG_PLL_USB2_TOG:
- case CCM_ANALOG_PLL_SYS_TOG:
- case CCM_ANALOG_PLL_AUDIO_TOG:
- case CCM_ANALOG_PLL_VIDEO_TOG:
- case CCM_ANALOG_PLL_MLB_TOG:
- case CCM_ANALOG_PLL_ENET_TOG:
- case CCM_ANALOG_PFD_480_TOG:
- case CCM_ANALOG_PFD_528_TOG:
- case CCM_ANALOG_MISC0_TOG:
- case PMU_MISC1_TOG:
- case CCM_ANALOG_MISC2_TOG:
- case USB_ANALOG_USB1_VBUS_DETECT_TOG:
- case USB_ANALOG_USB1_CHRG_DETECT_TOG:
- case USB_ANALOG_USB1_MISC_TOG:
- case USB_ANALOG_USB2_VBUS_DETECT_TOG:
- case USB_ANALOG_USB2_CHRG_DETECT_TOG:
- case USB_ANALOG_USB2_MISC_TOG:
- /*
- * All REG_NAME_TOG register access are in fact targeting the
- * the REG_NAME register. So we change the value of the
- * REG_NAME register, toggling bits passed in the value.
- */
- s->analog[index - 3] ^= value;
- break;
- default:
- /*
- * We will do a better implementation later. In particular some bits
- * cannot be written to.
- */
- s->analog[index] = value;
- break;
- }
-}
-
-static const struct MemoryRegionOps imx6_ccm_ops = {
- .read = imx6_ccm_read,
- .write = imx6_ccm_write,
- .endianness = DEVICE_NATIVE_ENDIAN,
- .valid = {
- /*
- * Our device would not work correctly if the guest was doing
- * unaligned access. This might not be a limitation on the real
- * device but in practice there is no reason for a guest to access
- * this device unaligned.
- */
- .min_access_size = 4,
- .max_access_size = 4,
- .unaligned = false,
- },
-};
-
-static const struct MemoryRegionOps imx6_analog_ops = {
- .read = imx6_analog_read,
- .write = imx6_analog_write,
- .endianness = DEVICE_NATIVE_ENDIAN,
- .valid = {
- /*
- * Our device would not work correctly if the guest was doing
- * unaligned access. This might not be a limitation on the real
- * device but in practice there is no reason for a guest to access
- * this device unaligned.
- */
- .min_access_size = 4,
- .max_access_size = 4,
- .unaligned = false,
- },
-};
-
-static void imx6_ccm_init(Object *obj)
-{
- DeviceState *dev = DEVICE(obj);
- SysBusDevice *sd = SYS_BUS_DEVICE(obj);
- IMX6CCMState *s = IMX6_CCM(obj);
-
- /* initialize a container for the all memory range */
- memory_region_init(&s->container, OBJECT(dev), TYPE_IMX6_CCM, 0x5000);
-
- /* We initialize an IO memory region for the CCM part */
- memory_region_init_io(&s->ioccm, OBJECT(dev), &imx6_ccm_ops, s,
- TYPE_IMX6_CCM ".ccm", CCM_MAX * sizeof(uint32_t));
-
- /* Add the CCM as a subregion at offset 0 */
- memory_region_add_subregion(&s->container, 0, &s->ioccm);
-
- /* We initialize an IO memory region for the ANALOG part */
- memory_region_init_io(&s->ioanalog, OBJECT(dev), &imx6_analog_ops, s,
- TYPE_IMX6_CCM ".analog",
- CCM_ANALOG_MAX * sizeof(uint32_t));
-
- /* Add the ANALOG as a subregion at offset 0x4000 */
- memory_region_add_subregion(&s->container, 0x4000, &s->ioanalog);
-
- sysbus_init_mmio(sd, &s->container);
-}
-
-static void imx6_ccm_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- IMXCCMClass *ccm = IMX_CCM_CLASS(klass);
-
- dc->reset = imx6_ccm_reset;
- dc->vmsd = &vmstate_imx6_ccm;
- dc->desc = "i.MX6 Clock Control Module";
-
- ccm->get_clock_frequency = imx6_ccm_get_clock_frequency;
-}
-
-static const TypeInfo imx6_ccm_info = {
- .name = TYPE_IMX6_CCM,
- .parent = TYPE_IMX_CCM,
- .instance_size = sizeof(IMX6CCMState),
- .instance_init = imx6_ccm_init,
- .class_init = imx6_ccm_class_init,
-};
-
-static void imx6_ccm_register_types(void)
-{
- type_register_static(&imx6_ccm_info);
-}
-
-type_init(imx6_ccm_register_types)