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ARM: imx3: Retrieve the CCM base address from devicetree 

Now that imx31 and imx35 has been converted to a devicetree-only platform,
retrieve the CCM base address from devicetree.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Fabio Estevam 2020-09-16 21:41:18 -03:00 committed by Shawn Guo
parent 3172225d45
commit 2cf98d1295
1 changed files with 11 additions and 2 deletions
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13
arch/arm/mach-imx/mm-imx3.c
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@ -11,6 +11,7 @@
#include <linux/init.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/of_address.h>
#include <linux/pinctrl/machine.h>
#include <asm/system_misc.h>
@ -99,10 +100,14 @@ static void imx31_idle(void)
void __init imx31_init_early(void)
{
struct device_node *np;
mxc_set_cpu_type(MXC_CPU_MX31);
arch_ioremap_caller = imx3_ioremap_caller;
arm_pm_idle = imx31_idle;
mx3_ccm_base = MX31_IO_ADDRESS(MX31_CCM_BASE_ADDR);
np = of_find_compatible_node(NULL, NULL, "fsl,imx31-ccm");
mx3_ccm_base = of_iomap(np, 0);
BUG_ON(!mx3_ccm_base);
}
void __init mx31_init_irq(void)
@ -137,10 +142,14 @@ static void imx35_idle(void)
void __init imx35_init_early(void)
{
struct device_node *np;
mxc_set_cpu_type(MXC_CPU_MX35);
arm_pm_idle = imx35_idle;
arch_ioremap_caller = imx3_ioremap_caller;
mx3_ccm_base = MX35_IO_ADDRESS(MX35_CCM_BASE_ADDR);
np = of_find_compatible_node(NULL, NULL, "fsl,imx35-ccm");
mx3_ccm_base = of_iomap(np, 0);
BUG_ON(!mx3_ccm_base);
}
void __init mx35_init_irq(void)