imxtools/hwemul: remove useless code (pwm)
The PWM code was for testing only the Zen X-Fi and should be present in general because it could touch pins by error and without producing any result. Change-Id: Id20e2940cd7a057941d241254d0a867f5451e2db
This commit is contained in:
Amaury Pouly
parent
788bf2e3b2
commit
cdaef6f382
1 changed files with 0 additions and 102 deletions
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@ -778,91 +778,6 @@ static void udelay(unsigned us)
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#define HZ 1000000
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#define HZ 1000000
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/**
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*
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* PWM
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*
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*/
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#define HW_PWM_BASE 0x80064000
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#define HW_PWM_CTRL (*(volatile uint32_t *)(HW_PWM_BASE + 0x0))
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#define HW_PWM_CTRL__PWMx_ENABLE(x) (1 << (x))
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#define HW_PWM_ACTIVEx(x) (*(volatile uint32_t *)(HW_PWM_BASE + 0x10 + (x) * 0x20))
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#define HW_PWM_ACTIVEx__ACTIVE_BP 0
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#define HW_PWM_ACTIVEx__ACTIVE_BM 0xffff
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#define HW_PWM_ACTIVEx__INACTIVE_BP 16
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#define HW_PWM_ACTIVEx__INACTIVE_BM 0xffff0000
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#define HW_PWM_PERIODx(x) (*(volatile uint32_t *)(HW_PWM_BASE + 0x20 + (x) * 0x20))
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#define HW_PWM_PERIODx__PERIOD_BP 0
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#define HW_PWM_PERIODx__PERIOD_BM 0xffff
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#define HW_PWM_PERIODx__ACTIVE_STATE_BP 16
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#define HW_PWM_PERIODx__ACTIVE_STATE_BM (0x3 << 16)
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#define HW_PWM_PERIODx__INACTIVE_STATE_BP 18
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#define HW_PWM_PERIODx__INACTIVE_STATE_BM (0x3 << 18)
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#define HW_PWM_PERIODx__CDIV_BP 20
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#define HW_PWM_PERIODx__CDIV_BM (0x7 << 20)
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#define HW_PWM_PERIODx__CDIV__DIV_1 0
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#define HW_PWM_PERIODx__CDIV__DIV_2 1
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#define HW_PWM_PERIODx__CDIV__DIV_4 2
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#define HW_PWM_PERIODx__CDIV__DIV_8 3
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#define HW_PWM_PERIODx__CDIV__DIV_16 4
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#define HW_PWM_PERIODx__CDIV__DIV_64 5
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#define HW_PWM_PERIODx__CDIV__DIV_256 6
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#define HW_PWM_PERIODx__CDIV__DIV_1024 7
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#define HW_PWM_PERIODx__STATE__HI_Z 0
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#define HW_PWM_PERIODx__STATE__LOW 2
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#define HW_PWM_PERIODx__STATE__HIGH 3
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#define IMX233_PWM_PIN_BANK(channel) 2
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#define IMX233_PWM_PIN(channel) (0 + (channel))
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static void imx233_pwm_init(void)
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{
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//__REG_SET(HW_PWM_CTRL) = __BLOCK_SFTRST;
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__REG_CLR(HW_PWM_CTRL) = __BLOCK_SFTRST | __BLOCK_CLKGATE;
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while(HW_PWM_CTRL & __BLOCK_CLKGATE);
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__REG_CLR(HW_CLKCTRL_XTAL) = HW_CLKCTRL_XTAL__PWM_CLK24M_GATE;
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}
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static bool imx233_pwm_is_channel_enable(int channel)
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{
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return HW_PWM_CTRL & HW_PWM_CTRL__PWMx_ENABLE(channel);
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}
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static void imx233_pwm_enable_channel(int channel, bool enable)
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{
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if(enable)
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__REG_SET(HW_PWM_CTRL) = HW_PWM_CTRL__PWMx_ENABLE(channel);
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else
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__REG_CLR(HW_PWM_CTRL) = HW_PWM_CTRL__PWMx_ENABLE(channel);
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}
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static void imx233_pwm_setup_channel(int channel, int period, int cdiv, int active,
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int active_state, int inactive, int inactive_state)
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{
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/* stop */
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bool enable = imx233_pwm_is_channel_enable(channel);
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if(enable)
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imx233_pwm_enable_channel(channel, false);
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/* setup pin */
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imx233_set_pin_function(IMX233_PWM_PIN_BANK(channel), IMX233_PWM_PIN(channel),
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PINCTRL_FUNCTION_MAIN);
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imx233_set_pin_drive_strength(IMX233_PWM_PIN_BANK(channel), IMX233_PWM_PIN(channel),
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PINCTRL_DRIVE_4mA);
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/* watch the order ! active THEN period */
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HW_PWM_ACTIVEx(channel) = active << HW_PWM_ACTIVEx__ACTIVE_BP |
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inactive << HW_PWM_ACTIVEx__INACTIVE_BP;
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HW_PWM_PERIODx(channel) = period | active_state << HW_PWM_PERIODx__ACTIVE_STATE_BP |
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inactive_state << HW_PWM_PERIODx__INACTIVE_STATE_BP |
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cdiv << HW_PWM_PERIODx__CDIV_BP;
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/* restore */
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imx233_pwm_enable_channel(channel, enable);
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}
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/**
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/**
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*
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*
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* USB PHY
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* USB PHY
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@ -1430,13 +1345,6 @@ static void handle_class_req(struct usb_ctrlrequest *req)
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*
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*
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*/
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*/
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static void flash_pwm(int chan, int v1, int v2)
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{
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imx233_pwm_setup_channel(chan, 500, HW_PWM_PERIODx__CDIV__DIV_256,
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v1, HW_PWM_PERIODx__STATE__HIGH,
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v2, HW_PWM_PERIODx__STATE__LOW);
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}
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void main(uint32_t arg)
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void main(uint32_t arg)
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{
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{
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usb_buffer_size = oc_buffersize;
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usb_buffer_size = oc_buffersize;
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@ -1445,13 +1353,6 @@ void main(uint32_t arg)
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HWEMUL_VERSION_REV);
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HWEMUL_VERSION_REV);
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logf("argument: 0x%08x\n", arg);
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logf("argument: 0x%08x\n", arg);
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imx233_pwm_init();
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flash_pwm(2, 0, 500);
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flash_pwm(4, 0, 0);
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udelay(HZ / 2);
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/* we don't know if USB was connected or not. In USB recovery mode it will
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/* we don't know if USB was connected or not. In USB recovery mode it will
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* but in other cases it might not be. In doubt, disconnect */
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* but in other cases it might not be. In doubt, disconnect */
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REG_USBCMD &= ~USBCMD_RUN;
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REG_USBCMD &= ~USBCMD_RUN;
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@ -1481,9 +1382,6 @@ void main(uint32_t arg)
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REG_ENDPTSETUPSTAT = EPSETUP_STATUS_EP0;
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REG_ENDPTSETUPSTAT = EPSETUP_STATUS_EP0;
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/* run! */
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/* run! */
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REG_USBCMD |= USBCMD_RUN;
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REG_USBCMD |= USBCMD_RUN;
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/* infinite loop */
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flash_pwm(2, 0, 0);
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flash_pwm(4, 0, 500);
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while(1)
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while(1)
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{
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{
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