Commit a62bf59f authored by Andrey Smirnov's avatar Andrey Smirnov Committed by Peter Maydell
Browse files

i.MX: Add i.MX7 GPT variant 



Add minimal code needed to allow upstream Linux guest to boot.

Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: Marcel Apfelbaum <marcel.apfelbaum@zoho.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Cc: yurovsky@gmail.com
Reviewed-by: default avatarPhilippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: default avatarAndrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent 0999e87f

hw/timer/imx_gpt.c

+25 −0
Original line number Diff line number Diff line
@@ -113,6 +113,17 @@ static const IMXClk imx6_gpt_clocks[] = { 
    CLK_HIGH,      /* 111 reference clock */

};



static const IMXClk imx7_gpt_clocks[] = {

    CLK_NONE,      /* 000 No clock source */

    CLK_IPG,       /* 001 ipg_clk, 532MHz*/

    CLK_IPG_HIGH,  /* 010 ipg_clk_highfreq */

    CLK_EXT,       /* 011 External clock */

    CLK_32k,       /* 100 ipg_clk_32k */

    CLK_HIGH,      /* 101 reference clock */

    CLK_NONE,      /* 110 not defined */

    CLK_NONE,      /* 111 not defined */

};



static void imx_gpt_set_freq(IMXGPTState *s)

{

    uint32_t clksrc = extract32(s->cr, GPT_CR_CLKSRC_SHIFT, 3);
@@ -512,6 +523,13 @@ static void imx6_gpt_init(Object *obj) 
    s->clocks = imx6_gpt_clocks;

}



static void imx7_gpt_init(Object *obj)

{

    IMXGPTState *s = IMX_GPT(obj);



    s->clocks = imx7_gpt_clocks;

}



static const TypeInfo imx25_gpt_info = {

    .name = TYPE_IMX25_GPT,

    .parent = TYPE_SYS_BUS_DEVICE,
@@ -532,11 +550,18 @@ static const TypeInfo imx6_gpt_info = { 
    .instance_init = imx6_gpt_init,

};



static const TypeInfo imx7_gpt_info = {

    .name = TYPE_IMX7_GPT,

    .parent = TYPE_IMX25_GPT,

    .instance_init = imx7_gpt_init,

};



static void imx_gpt_register_types(void)

{

    type_register_static(&imx25_gpt_info);

    type_register_static(&imx31_gpt_info);

    type_register_static(&imx6_gpt_info);

    type_register_static(&imx7_gpt_info);

}



type_init(imx_gpt_register_types)

include/hw/timer/imx_gpt.h

+1 −0
Original line number Diff line number Diff line
@@ -77,6 +77,7 @@ 
#define TYPE_IMX25_GPT "imx25.gpt"

#define TYPE_IMX31_GPT "imx31.gpt"

#define TYPE_IMX6_GPT "imx6.gpt"

#define TYPE_IMX7_GPT "imx7.gpt"



#define TYPE_IMX_GPT TYPE_IMX25_GPT