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-rw-r--r--arch/arm/mach-imx/Kconfig52
-rw-r--r--arch/arm/mach-imx/Makefile2
-rw-r--r--arch/arm/mach-imx/cache-l2x0.c2
-rw-r--r--arch/arm/mach-imx/clock-imx25.c6
-rw-r--r--arch/arm/mach-imx/clock-imx27.c6
-rw-r--r--arch/arm/mach-imx/clock-imx31.c8
-rw-r--r--arch/arm/mach-imx/clock-imx35.c7
-rw-r--r--arch/arm/mach-imx/cpu-imx25.c41
-rw-r--r--arch/arm/mach-imx/cpu-imx27.c28
-rw-r--r--arch/arm/mach-imx/cpu-imx31.c49
-rw-r--r--arch/arm/mach-imx/cpu-imx35.c30
-rw-r--r--arch/arm/mach-imx/devices-imx27.h4
-rw-r--r--arch/arm/mach-imx/devices-imx31.h4
-rw-r--r--arch/arm/mach-imx/devices-imx35.h4
-rw-r--r--arch/arm/mach-imx/mach-mx25_3ds.c10
-rw-r--r--arch/arm/mach-imx/mach-mx31moboard.c17
-rw-r--r--arch/arm/mach-imx/mach-qong.c1
17 files changed, 174 insertions, 97 deletions
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 0519dd7f034b..b4e1bf8757c7 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -5,6 +5,18 @@ config IMX_HAVE_DMA_V1
# Some usages assume that having one of them implies not having (e.g.) ARCH_MX2.
# To easily distinguish good and reviewed from unreviewed usages new (and IMHO
# more sensible) names are used: SOC_IMX31 and SOC_IMX35
+config ARCH_MX1
+ bool
+
+config MACH_MX21
+ bool
+
+config ARCH_MX25
+ bool
+
+config MACH_MX27
+ bool
+
config ARCH_MX31
bool
@@ -13,6 +25,7 @@ config ARCH_MX35
config SOC_IMX1
bool
+ select ARCH_MX1
select CPU_ARM920T
select IMX_HAVE_DMA_V1
select IMX_HAVE_IOMUX_V1
@@ -20,6 +33,7 @@ config SOC_IMX1
config SOC_IMX21
bool
+ select MACH_MX21
select CPU_ARM926T
select ARCH_MXC_AUDMUX_V1
select IMX_HAVE_DMA_V1
@@ -28,6 +42,7 @@ config SOC_IMX21
config SOC_IMX25
bool
+ select ARCH_MX25
select CPU_ARM926T
select ARCH_MXC_AUDMUX_V2
select ARCH_MXC_IOMUX_V3
@@ -35,6 +50,7 @@ config SOC_IMX25
config SOC_IMX27
bool
+ select MACH_MX27
select CPU_ARM926T
select ARCH_MXC_AUDMUX_V1
select IMX_HAVE_DMA_V1
@@ -59,7 +75,7 @@ config SOC_IMX35
select MXC_AVIC
-if ARCH_MX1
+if ARCH_IMX_V4_V5
comment "MX1 platforms:"
config MACH_MXLADS
@@ -87,30 +103,6 @@ config MACH_APF9328
help
Say Yes here if you are using the Armadeus APF9328 development board
-endif
-
-if ARCH_MX2
-
-choice
- prompt "CPUs:"
- default MACH_MX21
-
-config MACH_MX21
- bool "i.MX21 support"
- help
- This enables support for Freescale's MX2 based i.MX21 processor.
-
-config MACH_MX27
- bool "i.MX27 support"
- help
- This enables support for Freescale's MX2 based i.MX27 processor.
-
-endchoice
-
-endif
-
-if MACH_MX21
-
comment "MX21 platforms:"
config MACH_MX21ADS
@@ -124,15 +116,12 @@ config MACH_MX21ADS
Include support for MX21ADS platform. This includes specific
configurations for the board and its peripherals.
-endif
-
-if ARCH_MX25
-
comment "MX25 platforms:"
config MACH_MX25_3DS
bool "Support MX25PDK (3DS) Platform"
select SOC_IMX25
+ select IMX_HAVE_PLATFORM_FLEXCAN
select IMX_HAVE_PLATFORM_FSL_USB2_UDC
select IMX_HAVE_PLATFORM_IMX2_WDT
select IMX_HAVE_PLATFORM_IMXDI_RTC
@@ -174,10 +163,6 @@ config MACH_EUKREA_MBIMXSD25_BASEBOARD
endchoice
-endif
-
-if MACH_MX27
-
comment "MX27 platforms:"
config MACH_MX27ADS
@@ -485,6 +470,7 @@ config MACH_QONG
bool "Support Dave/DENX QongEVB-LITE platform"
select SOC_IMX31
select IMX_HAVE_PLATFORM_IMX_UART
+ select IMX_HAVE_PLATFORM_IMX2_WDT
help
Include support for Dave/DENX QongEVB-LITE platform. This includes
specific configurations for the board and its peripherals.
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index e9eb36dad888..0a5332c694bd 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -3,7 +3,7 @@ obj-$(CONFIG_IMX_HAVE_DMA_V1) += dma-v1.o
obj-$(CONFIG_ARCH_MX1) += clock-imx1.o mm-imx1.o
obj-$(CONFIG_MACH_MX21) += clock-imx21.o mm-imx21.o
-obj-$(CONFIG_ARCH_MX25) += clock-imx25.o mm-imx25.o ehci-imx25.o
+obj-$(CONFIG_ARCH_MX25) += clock-imx25.o mm-imx25.o ehci-imx25.o cpu-imx25.o
obj-$(CONFIG_MACH_MX27) += cpu-imx27.o pm-imx27.o
obj-$(CONFIG_MACH_MX27) += clock-imx27.o mm-imx27.o ehci-imx27.o
diff --git a/arch/arm/mach-imx/cache-l2x0.c b/arch/arm/mach-imx/cache-l2x0.c
index 69d1322add3c..e5538a4d7f23 100644
--- a/arch/arm/mach-imx/cache-l2x0.c
+++ b/arch/arm/mach-imx/cache-l2x0.c
@@ -53,4 +53,4 @@ static int mxc_init_l2x0(void)
return 0;
}
-arch_initcall(mxc_init_l2x0);
+early_initcall(mxc_init_l2x0);
diff --git a/arch/arm/mach-imx/clock-imx25.c b/arch/arm/mach-imx/clock-imx25.c
index e63e23504fe5..b0fec74c8c91 100644
--- a/arch/arm/mach-imx/clock-imx25.c
+++ b/arch/arm/mach-imx/clock-imx25.c
@@ -263,6 +263,7 @@ DEFINE_CLOCK(audmux_clk, 0, CCM_CGCR1, 0, NULL, NULL, NULL);
DEFINE_CLOCK(csi_clk, 0, CCM_CGCR1, 4, get_rate_csi, NULL, &csi_per_clk);
DEFINE_CLOCK(can1_clk, 0, CCM_CGCR1, 2, get_rate_ipg, NULL, NULL);
DEFINE_CLOCK(can2_clk, 1, CCM_CGCR1, 3, get_rate_ipg, NULL, NULL);
+DEFINE_CLOCK(iim_clk, 0, CCM_CGCR1, 26, NULL, NULL, NULL);
#define _REGISTER_CLOCK(d, n, c) \
{ \
@@ -310,6 +311,7 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("flexcan.1", NULL, can2_clk)
/* i.mx25 has the i.mx35 type sdma */
_REGISTER_CLOCK("imx35-sdma", NULL, sdma_clk)
+ _REGISTER_CLOCK(NULL, "iim", iim_clk)
};
int __init mx25_clocks_init(void)
@@ -334,6 +336,10 @@ int __init mx25_clocks_init(void)
/* Clock source for gpt is ahb_div */
__raw_writel(__raw_readl(CRM_BASE+0x64) & ~(1 << 5), CRM_BASE + 0x64);
+ clk_enable(&iim_clk);
+ imx_print_silicon_rev("i.MX25", mx25_revision());
+ clk_disable(&iim_clk);
+
mxc_timer_init(&gpt_clk, MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), 54);
return 0;
diff --git a/arch/arm/mach-imx/clock-imx27.c b/arch/arm/mach-imx/clock-imx27.c
index 6912b821b37b..88fe00a146e3 100644
--- a/arch/arm/mach-imx/clock-imx27.c
+++ b/arch/arm/mach-imx/clock-imx27.c
@@ -583,7 +583,7 @@ DEFINE_CLOCK(emi_clk, 0, PCCR1, 19, NULL, NULL, &ahb_clk);
DEFINE_CLOCK(dma_clk1, 0, PCCR1, 20, NULL, NULL, &ahb_clk);
DEFINE_CLOCK(csi_clk1, 0, PCCR1, 21, NULL, NULL, &ahb_clk);
DEFINE_CLOCK(brom_clk, 0, PCCR1, 22, NULL, NULL, &ahb_clk);
-DEFINE_CLOCK(ata_clk, 0, PCCR1, 23, NULL, NULL, &ahb_clk);
+DEFINE_CLOCK(pata_clk, 0, PCCR1, 23, NULL, NULL, &ahb_clk);
DEFINE_CLOCK(wdog_clk, 0, PCCR1, 24, NULL, NULL, &ipg_clk);
DEFINE_CLOCK(usb_clk, 0, PCCR1, 25, get_rate_usb, &usb_clk1, &spll_clk);
DEFINE_CLOCK(uart6_clk1, 0, PCCR1, 26, NULL, NULL, &ipg_clk);
@@ -666,7 +666,7 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("imx27-fec.0", NULL, fec_clk)
_REGISTER_CLOCK(NULL, "emi", emi_clk)
_REGISTER_CLOCK(NULL, "sahara2", sahara2_clk)
- _REGISTER_CLOCK(NULL, "ata", ata_clk)
+ _REGISTER_CLOCK("pata_imx", NULL, pata_clk)
_REGISTER_CLOCK(NULL, "mstick", mstick_clk)
_REGISTER_CLOCK("imx2-wdt.0", NULL, wdog_clk)
_REGISTER_CLOCK(NULL, "gpio", gpio_clk)
@@ -751,6 +751,8 @@ int __init mx27_clocks_init(unsigned long fref)
clk_enable(&gpio_clk);
clk_enable(&emi_clk);
clk_enable(&iim_clk);
+ imx_print_silicon_rev("i.MX27", mx27_revision());
+ clk_disable(&iim_clk);
#if defined(CONFIG_DEBUG_LL) && !defined(CONFIG_DEBUG_ICEDCC)
clk_enable(&uart1_clk);
diff --git a/arch/arm/mach-imx/clock-imx31.c b/arch/arm/mach-imx/clock-imx31.c
index d973770b1f96..988a28178d4c 100644
--- a/arch/arm/mach-imx/clock-imx31.c
+++ b/arch/arm/mach-imx/clock-imx31.c
@@ -476,7 +476,7 @@ DEFINE_CLOCK(gpt_clk, 0, MXC_CCM_CGR0, 4, NULL, NULL, &perclk_clk);
DEFINE_CLOCK(epit1_clk, 0, MXC_CCM_CGR0, 6, NULL, NULL, &perclk_clk);
DEFINE_CLOCK(epit2_clk, 1, MXC_CCM_CGR0, 8, NULL, NULL, &perclk_clk);
DEFINE_CLOCK(iim_clk, 0, MXC_CCM_CGR0, 10, NULL, NULL, &ipg_clk);
-DEFINE_CLOCK(ata_clk, 0, MXC_CCM_CGR0, 12, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(pata_clk, 0, MXC_CCM_CGR0, 12, NULL, NULL, &ipg_clk);
DEFINE_CLOCK(sdma_clk1, 0, MXC_CCM_CGR0, 14, NULL, NULL, &ahb_clk);
DEFINE_CLOCK(cspi3_clk, 2, MXC_CCM_CGR0, 16, NULL, NULL, &ipg_clk);
DEFINE_CLOCK(rng_clk, 0, MXC_CCM_CGR0, 18, NULL, NULL, &ipg_clk);
@@ -562,7 +562,7 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk)
_REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk)
_REGISTER_CLOCK(NULL, "firi", firi_clk)
- _REGISTER_CLOCK(NULL, "ata", ata_clk)
+ _REGISTER_CLOCK("pata_imx", NULL, pata_clk)
_REGISTER_CLOCK(NULL, "rtic", rtic_clk)
_REGISTER_CLOCK(NULL, "rng", rng_clk)
_REGISTER_CLOCK("imx31-sdma", NULL, sdma_clk1)
@@ -611,11 +611,11 @@ int __init mx31_clocks_init(unsigned long fref)
clk_enable(&gpt_clk);
clk_enable(&emi_clk);
clk_enable(&iim_clk);
+ mx31_revision();
+ clk_disable(&iim_clk);
clk_enable(&serial_pll_clk);
- mx31_read_cpu_rev();
-
if (mx31_revision() >= IMX_CHIP_REVISION_2_0) {
reg = __raw_readl(MXC_CCM_PMCR1);
/* No PLL restart on DVFS switch; enable auto EMI handshake */
diff --git a/arch/arm/mach-imx/clock-imx35.c b/arch/arm/mach-imx/clock-imx35.c
index 88b62a071aea..8116f119517d 100644
--- a/arch/arm/mach-imx/clock-imx35.c
+++ b/arch/arm/mach-imx/clock-imx35.c
@@ -354,7 +354,7 @@ static void clk_cgr_disable(struct clk *clk)
}
DEFINE_CLOCK(asrc_clk, 0, CCM_CGR0, 0, NULL, NULL);
-DEFINE_CLOCK(ata_clk, 0, CCM_CGR0, 2, get_rate_ipg, NULL);
+DEFINE_CLOCK(pata_clk, 0, CCM_CGR0, 2, get_rate_ipg, NULL);
/* DEFINE_CLOCK(audmux_clk, 0, CCM_CGR0, 4, NULL, NULL); */
DEFINE_CLOCK(can1_clk, 0, CCM_CGR0, 6, get_rate_ipg, NULL);
DEFINE_CLOCK(can2_clk, 1, CCM_CGR0, 8, get_rate_ipg, NULL);
@@ -447,7 +447,7 @@ static struct clk nfc_clk = {
static struct clk_lookup lookups[] = {
_REGISTER_CLOCK(NULL, "asrc", asrc_clk)
- _REGISTER_CLOCK(NULL, "ata", ata_clk)
+ _REGISTER_CLOCK("pata_imx", NULL, pata_clk)
_REGISTER_CLOCK("flexcan.0", NULL, can1_clk)
_REGISTER_CLOCK("flexcan.1", NULL, can2_clk)
_REGISTER_CLOCK("imx35-cspi.0", NULL, cspi1_clk)
@@ -537,7 +537,8 @@ int __init mx35_clocks_init()
__raw_writel(cgr3, CCM_BASE + CCM_CGR3);
clk_enable(&iim_clk);
- mx35_read_cpu_rev();
+ imx_print_silicon_rev("i.MX35", mx35_revision());
+ clk_disable(&iim_clk);
#ifdef CONFIG_MXC_USE_EPIT
epit_timer_init(&epit1_clk,
diff --git a/arch/arm/mach-imx/cpu-imx25.c b/arch/arm/mach-imx/cpu-imx25.c
new file mode 100644
index 000000000000..6914bcbf84e4
--- /dev/null
+++ b/arch/arm/mach-imx/cpu-imx25.c
@@ -0,0 +1,41 @@
+/*
+ * MX25 CPU type detection
+ *
+ * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+#include <linux/module.h>
+#include <linux/io.h>
+#include <mach/hardware.h>
+#include <mach/iim.h>
+
+static int mx25_cpu_rev = -1;
+
+static int mx25_read_cpu_rev(void)
+{
+ u32 rev;
+
+ rev = __raw_readl(MX25_IO_ADDRESS(MX25_IIM_BASE_ADDR + MXC_IIMSREV));
+ switch (rev) {
+ case 0x00:
+ return IMX_CHIP_REVISION_1_0;
+ case 0x01:
+ return IMX_CHIP_REVISION_1_1;
+ default:
+ return IMX_CHIP_REVISION_UNKNOWN;
+ }
+}
+
+int mx25_revision(void)
+{
+ if (mx25_cpu_rev == -1)
+ mx25_cpu_rev = mx25_read_cpu_rev();
+
+ return mx25_cpu_rev;
+}
+EXPORT_SYMBOL(mx25_revision);
diff --git a/arch/arm/mach-imx/cpu-imx27.c b/arch/arm/mach-imx/cpu-imx27.c
index 3b117be37bd2..ff38e1505f67 100644
--- a/arch/arm/mach-imx/cpu-imx27.c
+++ b/arch/arm/mach-imx/cpu-imx27.c
@@ -26,12 +26,12 @@
#include <mach/hardware.h>
-static int cpu_silicon_rev = -1;
-static int cpu_partnumber;
+static int mx27_cpu_rev = -1;
+static int mx27_cpu_partnumber;
#define SYS_CHIP_ID 0x00 /* The offset of CHIP ID register */
-static void query_silicon_parameter(void)
+static int mx27_read_cpu_rev(void)
{
u32 val;
/*
@@ -42,20 +42,18 @@ static void query_silicon_parameter(void)
val = __raw_readl(MX27_IO_ADDRESS(MX27_SYSCTRL_BASE_ADDR
+ SYS_CHIP_ID));
+ mx27_cpu_partnumber = (int)((val >> 12) & 0xFFFF);
+
switch (val >> 28) {
case 0:
- cpu_silicon_rev = IMX_CHIP_REVISION_1_0;
- break;
+ return IMX_CHIP_REVISION_1_0;
case 1:
- cpu_silicon_rev = IMX_CHIP_REVISION_2_0;
- break;
+ return IMX_CHIP_REVISION_2_0;
case 2:
- cpu_silicon_rev = IMX_CHIP_REVISION_2_1;
- break;
+ return IMX_CHIP_REVISION_2_1;
default:
- cpu_silicon_rev = IMX_CHIP_REVISION_UNKNOWN;
+ return IMX_CHIP_REVISION_UNKNOWN;
}
- cpu_partnumber = (int)((val >> 12) & 0xFFFF);
}
/*
@@ -65,12 +63,12 @@ static void query_silicon_parameter(void)
*/
int mx27_revision(void)
{
- if (cpu_silicon_rev == -1)
- query_silicon_parameter();
+ if (mx27_cpu_rev == -1)
+ mx27_cpu_rev = mx27_read_cpu_rev();
- if (cpu_partnumber != 0x8821)
+ if (mx27_cpu_partnumber != 0x8821)
return -EINVAL;
- return cpu_silicon_rev;
+ return mx27_cpu_rev;
}
EXPORT_SYMBOL(mx27_revision);
diff --git a/arch/arm/mach-imx/cpu-imx31.c b/arch/arm/mach-imx/cpu-imx31.c
index a3780700a882..3f2345f0cdaf 100644
--- a/arch/arm/mach-imx/cpu-imx31.c
+++ b/arch/arm/mach-imx/cpu-imx31.c
@@ -13,45 +13,50 @@
#include <linux/io.h>
#include <mach/hardware.h>
#include <mach/iim.h>
+#include <mach/common.h>
-unsigned int mx31_cpu_rev;
-EXPORT_SYMBOL(mx31_cpu_rev);
+static int mx31_cpu_rev = -1;
static struct {
u8 srev;
const char *name;
- const char *v;
unsigned int rev;
-} mx31_cpu_type[] __initdata = {
- { .srev = 0x00, .name = "i.MX31(L)", .v = "1.0", .rev = IMX_CHIP_REVISION_1_0 },
- { .srev = 0x10, .name = "i.MX31", .v = "1.1", .rev = IMX_CHIP_REVISION_1_1 },
- { .srev = 0x11, .name = "i.MX31L", .v = "1.1", .rev = IMX_CHIP_REVISION_1_1 },
- { .srev = 0x12, .name = "i.MX31", .v = "1.15", .rev = IMX_CHIP_REVISION_1_1 },
- { .srev = 0x13, .name = "i.MX31L", .v = "1.15", .rev = IMX_CHIP_REVISION_1_1 },
- { .srev = 0x14, .name = "i.MX31", .v = "1.2", .rev = IMX_CHIP_REVISION_1_2 },
- { .srev = 0x15, .name = "i.MX31L", .v = "1.2", .rev = IMX_CHIP_REVISION_1_2 },
- { .srev = 0x28, .name = "i.MX31", .v = "2.0", .rev = IMX_CHIP_REVISION_2_0 },
- { .srev = 0x29, .name = "i.MX31L", .v = "2.0", .rev = IMX_CHIP_REVISION_2_0 },
+} mx31_cpu_type[] = {
+ { .srev = 0x00, .name = "i.MX31(L)", .rev = IMX_CHIP_REVISION_1_0 },
+ { .srev = 0x10, .name = "i.MX31", .rev = IMX_CHIP_REVISION_1_1 },
+ { .srev = 0x11, .name = "i.MX31L", .rev = IMX_CHIP_REVISION_1_1 },
+ { .srev = 0x12, .name = "i.MX31", .rev = IMX_CHIP_REVISION_1_1 },
+ { .srev = 0x13, .name = "i.MX31L", .rev = IMX_CHIP_REVISION_1_1 },
+ { .srev = 0x14, .name = "i.MX31", .rev = IMX_CHIP_REVISION_1_2 },
+ { .srev = 0x15, .name = "i.MX31L", .rev = IMX_CHIP_REVISION_1_2 },
+ { .srev = 0x28, .name = "i.MX31", .rev = IMX_CHIP_REVISION_2_0 },
+ { .srev = 0x29, .name = "i.MX31L", .rev = IMX_CHIP_REVISION_2_0 },
};
-void __init mx31_read_cpu_rev(void)
+static int mx31_read_cpu_rev(void)
{
u32 i, srev;
/* read SREV register from IIM module */
srev = __raw_readl(MX31_IO_ADDRESS(MX31_IIM_BASE_ADDR + MXC_IIMSREV));
+ srev &= 0xff;
for (i = 0; i < ARRAY_SIZE(mx31_cpu_type); i++)
if (srev == mx31_cpu_type[i].srev) {
- printk(KERN_INFO
- "CPU identified as %s, silicon rev %s\n",
- mx31_cpu_type[i].name, mx31_cpu_type[i].v);
-
- mx31_cpu_rev = mx31_cpu_type[i].rev;
- return;
+ imx_print_silicon_rev(mx31_cpu_type[i].name,
+ mx31_cpu_type[i].rev);
+ return mx31_cpu_type[i].rev;
}
- mx31_cpu_rev = IMX_CHIP_REVISION_UNKNOWN;
+ imx_print_silicon_rev("i.MX31", IMX_CHIP_REVISION_UNKNOWN);
+ return IMX_CHIP_REVISION_UNKNOWN;
+}
+
+int mx31_revision(void)
+{
+ if (mx31_cpu_rev == -1)
+ mx31_cpu_rev = mx31_read_cpu_rev();
- printk(KERN_WARNING "Unknown CPU identifier. srev = %02x\n", srev);
+ return mx31_cpu_rev;
}
+EXPORT_SYMBOL(mx31_revision);
diff --git a/arch/arm/mach-imx/cpu-imx35.c b/arch/arm/mach-imx/cpu-imx35.c
index 6637cd819ecb..846e46eb8cbf 100644
--- a/arch/arm/mach-imx/cpu-imx35.c
+++ b/arch/arm/mach-imx/cpu-imx35.c
@@ -13,32 +13,30 @@
#include <mach/hardware.h>
#include <mach/iim.h>
-unsigned int mx35_cpu_rev;
-EXPORT_SYMBOL(mx35_cpu_rev);
+static int mx35_cpu_rev = -1;
-void __init mx35_read_cpu_rev(void)
+static int mx35_read_cpu_rev(void)
{
u32 rev;
- char *srev;
rev = __raw_readl(MX35_IO_ADDRESS(MX35_IIM_BASE_ADDR + MXC_IIMSREV));
switch (rev) {
case 0x00:
- mx35_cpu_rev = IMX_CHIP_REVISION_1_0;
- srev = "1.0";
- break;
+ return IMX_CHIP_REVISION_1_0;
case 0x10:
- mx35_cpu_rev = IMX_CHIP_REVISION_2_0;
- srev = "2.0";
- break;
+ return IMX_CHIP_REVISION_2_0;
case 0x11:
- mx35_cpu_rev = IMX_CHIP_REVISION_2_1;
- srev = "2.1";
- break;
+ return IMX_CHIP_REVISION_2_1;
default:
- mx35_cpu_rev = IMX_CHIP_REVISION_UNKNOWN;
- srev = "unknown";
+ return IMX_CHIP_REVISION_UNKNOWN;
}
+}
+
+int mx35_revision(void)
+{
+ if (mx35_cpu_rev == -1)
+ mx35_cpu_rev = mx35_read_cpu_rev();
- printk(KERN_INFO "CPU identified as i.MX35, silicon rev %s\n", srev);
+ return mx35_cpu_rev;
}
+EXPORT_SYMBOL(mx35_revision);
diff --git a/arch/arm/mach-imx/devices-imx27.h b/arch/arm/mach-imx/devices-imx27.h
index 7f97a3cdd41d..2f727d7c380c 100644
--- a/arch/arm/mach-imx/devices-imx27.h
+++ b/arch/arm/mach-imx/devices-imx27.h
@@ -76,3 +76,7 @@ extern const struct imx_spi_imx_data imx27_cspi_data[];
#define imx27_add_spi_imx0(pdata) imx27_add_cspi(0, pdata)
#define imx27_add_spi_imx1(pdata) imx27_add_cspi(1, pdata)
#define imx27_add_spi_imx2(pdata) imx27_add_cspi(2, pdata)
+
+extern const struct imx_pata_imx_data imx27_pata_imx_data;
+#define imx27_add_pata_imx() \
+ imx_add_pata_imx(&imx27_pata_imx_data)
diff --git a/arch/arm/mach-imx/devices-imx31.h b/arch/arm/mach-imx/devices-imx31.h
index dbe940d9c53a..488e241a6db6 100644
--- a/arch/arm/mach-imx/devices-imx31.h
+++ b/arch/arm/mach-imx/devices-imx31.h
@@ -78,3 +78,7 @@ extern const struct imx_spi_imx_data imx31_cspi_data[];
#define imx31_add_spi_imx0(pdata) imx31_add_cspi(0, pdata)
#define imx31_add_spi_imx1(pdata) imx31_add_cspi(1, pdata)
#define imx31_add_spi_imx2(pdata) imx31_add_cspi(2, pdata)
+
+extern const struct imx_pata_imx_data imx31_pata_imx_data;
+#define imx31_add_pata_imx() \
+ imx_add_pata_imx(&imx31_pata_imx_data)
diff --git a/arch/arm/mach-imx/devices-imx35.h b/arch/arm/mach-imx/devices-imx35.h
index 234cbd3c18af..7b99ef0bb501 100644
--- a/arch/arm/mach-imx/devices-imx35.h
+++ b/arch/arm/mach-imx/devices-imx35.h
@@ -81,3 +81,7 @@ extern const struct imx_spi_imx_data imx35_cspi_data[];
imx_add_spi_imx(&imx35_cspi_data[id], pdata)
#define imx35_add_spi_imx0(pdata) imx35_add_cspi(0, pdata)
#define imx35_add_spi_imx1(pdata) imx35_add_cspi(1, pdata)
+
+extern const struct imx_pata_imx_data imx35_pata_imx_data;
+#define imx35_add_pata_imx() \
+ imx_add_pata_imx(&imx35_pata_imx_data)
diff --git a/arch/arm/mach-imx/mach-mx25_3ds.c b/arch/arm/mach-imx/mach-mx25_3ds.c
index 4a1e6fa71ae7..bd735ad6675e 100644
--- a/arch/arm/mach-imx/mach-mx25_3ds.c
+++ b/arch/arm/mach-imx/mach-mx25_3ds.c
@@ -43,6 +43,8 @@
#include "devices-imx25.h"
+#define MX25PDK_CAN_PWDN IMX_GPIO_NR(4, 6)
+
static const struct imxuart_platform_data uart_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
@@ -108,6 +110,11 @@ static iomux_v3_cfg_t mx25pdk_pads[] = {
/* I2C1 */
MX25_PAD_I2C1_CLK__I2C1_CLK,
MX25_PAD_I2C1_DAT__I2C1_DAT,
+
+ /* CAN1 */
+ MX25_PAD_GPIO_A__CAN1_TX,
+ MX25_PAD_GPIO_B__CAN1_RX,
+ MX25_PAD_D14__GPIO_4_6, /* CAN_PWDN */
};
static const struct fec_platform_data mx25_fec_pdata __initconst = {
@@ -240,6 +247,9 @@ static void __init mx25pdk_init(void)
imx25_add_sdhci_esdhc_imx(0, &mx25pdk_esdhc_pdata);
imx25_add_imx_i2c0(&mx25_3ds_i2c0_data);
+
+ gpio_request_one(MX25PDK_CAN_PWDN, GPIOF_OUT_INIT_LOW, "can-pwdn");
+ imx25_add_flexcan0(NULL);
}
static void __init mx25pdk_timer_init(void)
diff --git a/arch/arm/mach-imx/mach-mx31moboard.c b/arch/arm/mach-imx/mach-mx31moboard.c
index ff553d48c891..cd07ebe9b9d8 100644
--- a/arch/arm/mach-imx/mach-mx31moboard.c
+++ b/arch/arm/mach-imx/mach-mx31moboard.c
@@ -28,6 +28,9 @@
#include <linux/spi/spi.h>
#include <linux/types.h>
#include <linux/memblock.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/err.h>
#include <linux/usb/otg.h>
#include <linux/usb/ulpi.h>
@@ -490,6 +493,18 @@ err:
}
+static void mx31moboard_poweroff(void)
+{
+ struct clk *clk = clk_get_sys("imx2-wdt.0", NULL);
+
+ if (!IS_ERR(clk))
+ clk_enable(clk);
+
+ mxc_iomux_mode(MX31_PIN_WATCHDOG_RST__WATCHDOG_RST);
+
+ __raw_writew(1 << 6 | 1 << 2, MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
+}
+
static int mx31moboard_baseboard;
core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);
@@ -528,6 +543,8 @@ static void __init mx31moboard_init(void)
moboard_usbh2_init();
+ pm_power_off = mx31moboard_poweroff;
+
switch (mx31moboard_baseboard) {
case MX31NOBOARD:
break;
diff --git a/arch/arm/mach-imx/mach-qong.c b/arch/arm/mach-imx/mach-qong.c
index 3a8a713eccce..4243d1f548c2 100644
--- a/arch/arm/mach-imx/mach-qong.c
+++ b/arch/arm/mach-imx/mach-qong.c
@@ -249,6 +249,7 @@ static void __init qong_init(void)
mxc_init_imx_uart();
qong_init_nor_mtd();
qong_init_fpga();
+ imx31_add_imx2_wdt(NULL);
}
static void __init qong_timer_init(void)
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