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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: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Andrey Smirnov 2018-02-09 10:40:30 +00:00 committed by Peter Maydell
parent 0999e87fa5
commit a62bf59fd9
2 changed files with 26 additions and 0 deletions
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25
hw/timer/imx_gpt.c
View File

@ -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)

1
include/hw/timer/imx_gpt.h
View File

@ -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