Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/arch/arm/mach-imx/cpu-imx27.c b/arch/arm/mach-imx/cpu-imx27.c
index a969aa7..bf70e13 100644
--- a/arch/arm/mach-imx/cpu-imx27.c
+++ b/arch/arm/mach-imx/cpu-imx27.c
@@ -9,6 +9,7 @@
*/
#include <linux/io.h>
+#include <linux/of_address.h>
#include <linux/module.h>
#include "hardware.h"
@@ -17,16 +18,23 @@
static int mx27_cpu_partnumber;
#define SYS_CHIP_ID 0x00 /* The offset of CHIP ID register */
+#define SYSCTRL_OFFSET 0x800 /* Offset from CCM base address */
static int mx27_read_cpu_rev(void)
{
+ void __iomem *ccm_base;
+ struct device_node *np;
u32 val;
+
+ np = of_find_compatible_node(NULL, NULL, "fsl,imx27-ccm");
+ ccm_base = of_iomap(np, 0);
+ BUG_ON(!ccm_base);
/*
* now we have access to the IO registers. As we need
* the silicon revision very early we read it here to
* avoid any further hooks
*/
- val = imx_readl(MX27_IO_ADDRESS(MX27_SYSCTRL_BASE_ADDR + SYS_CHIP_ID));
+ val = imx_readl(ccm_base + SYSCTRL_OFFSET + SYS_CHIP_ID);
mx27_cpu_partnumber = (int)((val >> 12) & 0xFFFF);