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ARM: imx: use imx_init_revision_from_anatop() on imx6sl

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Add imx6sl support into imx_init_revision_from_anatop(), so that it can
be used to initialize cpu type and revision on imx6sl.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Shawn Guo 2013-08-13 16:54:05 +08:00
parent f1c6f31472
commit d8ce823fb3
3 changed files with 9 additions and 2 deletions
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4
arch/arm/boot/dts/imx6sl.dtsi
View File

@ -380,7 +380,9 @@
};
anatop: anatop@020c8000 {
compatible = "fsl,imx6sl-anatop", "syscon", "simple-bus";
compatible = "fsl,imx6sl-anatop",
"fsl,imx6q-anatop",
"syscon", "simple-bus";
reg = <0x020c8000 0x1000>;
interrupts = <0 49 0x04 0 54 0x04 0 127 0x04>;

6
arch/arm/mach-imx/anatop.c
View File

@ -27,6 +27,7 @@
#define ANADIG_USB1_CHRG_DETECT 0x1b0
#define ANADIG_USB2_CHRG_DETECT 0x210
#define ANADIG_DIGPROG 0x260
#define ANADIG_DIGPROG_IMX6SL 0x280
#define BM_ANADIG_REG_2P5_ENABLE_WEAK_LINREG 0x40000
#define BM_ANADIG_REG_CORE_FET_ODRIVE 0x20000000
@ -83,11 +84,14 @@ void __init imx_init_revision_from_anatop(void)
void __iomem *anatop_base;
unsigned int revision;
u32 digprog;
u16 offset = ANADIG_DIGPROG;
np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-anatop");
anatop_base = of_iomap(np, 0);
WARN_ON(!anatop_base);
digprog = readl_relaxed(anatop_base + ANADIG_DIGPROG);
if (of_device_is_compatible(np, "fsl,imx6sl-anatop"))
offset = ANADIG_DIGPROG_IMX6SL;
digprog = readl_relaxed(anatop_base + offset);
iounmap(anatop_base);
switch (digprog & 0xff) {

1
arch/arm/mach-imx/mach-imx6sl.c
View File

@ -45,6 +45,7 @@ static void __init imx6sl_init_machine(void)
static void __init imx6sl_init_irq(void)
{
imx_init_revision_from_anatop();
imx_init_l2cache();
imx_src_init();
imx_gpc_init();