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-rw-r--r--arch/arm/mach-mxs/Kconfig4
-rw-r--r--arch/arm/mach-mxs/mach-mxs.c111
-rw-r--r--arch/arm/mach-mxs/pm.c1
3 files changed, 75 insertions, 41 deletions
diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
index 8cde9e05b5d..84794137b17 100644
--- a/arch/arm/mach-mxs/Kconfig
+++ b/arch/arm/mach-mxs/Kconfig
@@ -16,11 +16,7 @@ config ARCH_MXS
bool "Freescale MXS (i.MX23, i.MX28) support"
depends on ARCH_MULTI_V5
select ARCH_REQUIRE_GPIOLIB
- select CLKDEV_LOOKUP
select CLKSRC_MMIO
- select CLKSRC_OF
- select GENERIC_CLOCKEVENTS
- select HAVE_CLK_PREPARE
select PINCTRL
select SOC_BUS
select SOC_IMX23
diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c
index 4ce27b536dc..2e7cec86e50 100644
--- a/arch/arm/mach-mxs/mach-mxs.c
+++ b/arch/arm/mach-mxs/mach-mxs.c
@@ -13,7 +13,6 @@
#include <linux/clk.h>
#include <linux/clk/mxs.h>
#include <linux/clkdev.h>
-#include <linux/clocksource.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/gpio.h>
@@ -61,6 +60,8 @@
static u32 chipid;
static u32 socid;
+static void __iomem *reset_addr;
+
static inline void __mxs_setl(u32 mask, void __iomem *reg)
{
__raw_writel(mask, reg + MXS_SET_ADDR);
@@ -156,6 +157,8 @@ enum mac_oui {
OUI_FSL,
OUI_DENX,
OUI_CRYSTALFONTZ,
+ OUI_I2SE,
+ OUI_ARMADEUS,
};
static void __init update_fec_mac_prop(enum mac_oui oui)
@@ -210,6 +213,16 @@ static void __init update_fec_mac_prop(enum mac_oui oui)
macaddr[1] = 0xb9;
macaddr[2] = 0xe1;
break;
+ case OUI_I2SE:
+ macaddr[0] = 0x00;
+ macaddr[1] = 0x01;
+ macaddr[2] = 0x87;
+ break;
+ case OUI_ARMADEUS:
+ macaddr[0] = 0x00;
+ macaddr[1] = 0x1e;
+ macaddr[2] = 0xac;
+ break;
}
val = ocotp[i];
macaddr[3] = (val >> 16) & 0xff;
@@ -235,6 +248,11 @@ static void __init imx28_evk_init(void)
mxs_saif_clkmux_select(MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR0);
}
+static void __init imx28_apf28_init(void)
+{
+ update_fec_mac_prop(OUI_ARMADEUS);
+}
+
static int apx4devkit_phy_fixup(struct phy_device *phy)
{
phy->dev_flags |= MICREL_PHY_50MHZ_CLK;
@@ -329,6 +347,16 @@ static void __init crystalfontz_init(void)
update_fec_mac_prop(OUI_CRYSTALFONTZ);
}
+static void __init duckbill_init(void)
+{
+ update_fec_mac_prop(OUI_I2SE);
+}
+
+static void __init m28cu3_init(void)
+{
+ update_fec_mac_prop(OUI_DENX);
+}
+
static const char __init *mxs_get_soc_id(void)
{
struct device_node *np;
@@ -393,12 +421,38 @@ static const char __init *mxs_get_revision(void)
u32 rev = mxs_get_cpu_rev();
if (rev != MXS_CHIP_REV_UNKNOWN)
- return kasprintf(GFP_KERNEL, "TO%d.%d", (rev >> 4) & 0xf,
+ return kasprintf(GFP_KERNEL, "%d.%d", (rev >> 4) & 0xf,
rev & 0xf);
else
return kasprintf(GFP_KERNEL, "%s", "Unknown");
}
+#define MX23_CLKCTRL_RESET_OFFSET 0x120
+#define MX28_CLKCTRL_RESET_OFFSET 0x1e0
+
+static int __init mxs_restart_init(void)
+{
+ struct device_node *np;
+
+ np = of_find_compatible_node(NULL, NULL, "fsl,clkctrl");
+ reset_addr = of_iomap(np, 0);
+ if (!reset_addr)
+ return -ENODEV;
+
+ if (of_device_is_compatible(np, "fsl,imx23-clkctrl"))
+ reset_addr += MX23_CLKCTRL_RESET_OFFSET;
+ else
+ reset_addr += MX28_CLKCTRL_RESET_OFFSET;
+ of_node_put(np);
+
+ return 0;
+}
+
+static void __init eukrea_mbmx283lc_init(void)
+{
+ mxs_saif_clkmux_select(MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR0);
+}
+
static void __init mxs_machine_init(void)
{
struct device_node *root;
@@ -431,23 +485,28 @@ static void __init mxs_machine_init(void)
if (of_machine_is_compatible("fsl,imx28-evk"))
imx28_evk_init();
+ if (of_machine_is_compatible("armadeus,imx28-apf28"))
+ imx28_apf28_init();
else if (of_machine_is_compatible("bluegiga,apx4devkit"))
apx4devkit_init();
- else if (of_machine_is_compatible("crystalfontz,cfa10037") ||
- of_machine_is_compatible("crystalfontz,cfa10049") ||
- of_machine_is_compatible("crystalfontz,cfa10055") ||
- of_machine_is_compatible("crystalfontz,cfa10057"))
+ else if (of_machine_is_compatible("crystalfontz,cfa10036"))
crystalfontz_init();
+ else if (of_machine_is_compatible("eukrea,mbmx283lc"))
+ eukrea_mbmx283lc_init();
+ else if (of_machine_is_compatible("i2se,duckbill"))
+ duckbill_init();
+ else if (of_machine_is_compatible("msr,m28cu3"))
+ m28cu3_init();
of_platform_populate(NULL, of_default_bus_match_table,
NULL, parent);
+ mxs_restart_init();
+
if (of_machine_is_compatible("karo,tx28"))
tx28_post_init();
}
-#define MX23_CLKCTRL_RESET_OFFSET 0x120
-#define MX28_CLKCTRL_RESET_OFFSET 0x1e0
#define MXS_CLKCTRL_RESET_CHIP (1 << 1)
/*
@@ -455,41 +514,20 @@ static void __init mxs_machine_init(void)
*/
static void mxs_restart(enum reboot_mode mode, const char *cmd)
{
- struct device_node *np;
- void __iomem *reset_addr;
-
- np = of_find_compatible_node(NULL, NULL, "fsl,clkctrl");
- reset_addr = of_iomap(np, 0);
- if (!reset_addr)
- goto soft;
-
- if (of_device_is_compatible(np, "fsl,imx23-clkctrl"))
- reset_addr += MX23_CLKCTRL_RESET_OFFSET;
- else
- reset_addr += MX28_CLKCTRL_RESET_OFFSET;
-
- /* reset the chip */
- __mxs_setl(MXS_CLKCTRL_RESET_CHIP, reset_addr);
+ if (reset_addr) {
+ /* reset the chip */
+ __mxs_setl(MXS_CLKCTRL_RESET_CHIP, reset_addr);
- pr_err("Failed to assert the chip reset\n");
+ pr_err("Failed to assert the chip reset\n");
- /* Delay to allow the serial port to show the message */
- mdelay(50);
+ /* Delay to allow the serial port to show the message */
+ mdelay(50);
+ }
-soft:
/* We'll take a jump through zero as a poor second */
soft_restart(0);
}
-static void __init mxs_timer_init(void)
-{
- if (of_machine_is_compatible("fsl,imx23"))
- mx23_clocks_init();
- else
- mx28_clocks_init();
- clocksource_of_init();
-}
-
static const char *mxs_dt_compat[] __initdata = {
"fsl,imx28",
"fsl,imx23",
@@ -498,7 +536,6 @@ static const char *mxs_dt_compat[] __initdata = {
DT_MACHINE_START(MXS, "Freescale MXS (Device Tree)")
.handle_irq = icoll_handle_irq,
- .init_time = mxs_timer_init,
.init_machine = mxs_machine_init,
.init_late = mxs_pm_init,
.dt_compat = mxs_dt_compat,
diff --git a/arch/arm/mach-mxs/pm.c b/arch/arm/mach-mxs/pm.c
index b2494d2db2c..0170e99fd70 100644
--- a/arch/arm/mach-mxs/pm.c
+++ b/arch/arm/mach-mxs/pm.c
@@ -15,6 +15,7 @@
#include <linux/kernel.h>
#include <linux/suspend.h>
#include <linux/io.h>
+#include "pm.h"
static int mxs_suspend_enter(suspend_state_t state)
{
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 05:27:27 +0000