diff options
Diffstat (limited to 'arch/arm/mach-imx')
56 files changed, 347 insertions, 149 deletions
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index ef6a6b8..09f357b 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -10,11 +10,6 @@ config HAVE_IMX_MMDC config HAVE_IMX_SRC bool -# -# ARCH_MX31 and ARCH_MX35 are left for compatibility -# 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 @@ -27,12 +22,6 @@ config ARCH_MX25 config MACH_MX27 bool -config ARCH_MX31 - bool - -config ARCH_MX35 - bool - config ARCH_MX5 bool @@ -84,7 +73,6 @@ config SOC_IMX31 select CPU_V6 select IMX_HAVE_PLATFORM_MXC_RNGA select ARCH_MXC_AUDMUX_V2 - select ARCH_MX31 select MXC_AVIC select SMP_ON_UP if SMP @@ -94,7 +82,6 @@ config SOC_IMX35 select ARCH_MXC_IOMUX_V3 select ARCH_MXC_AUDMUX_V2 select HAVE_EPIT - select ARCH_MX35 select MXC_AVIC select SMP_ON_UP if SMP @@ -149,6 +136,7 @@ config MACH_SCB9328 config MACH_APF9328 bool "APF9328" select SOC_IMX1 + select IMX_HAVE_PLATFORM_IMX_I2C select IMX_HAVE_PLATFORM_IMX_UART help Say Yes here if you are using the Armadeus APF9328 development board @@ -183,7 +171,7 @@ config MACH_MX25_3DS select IMX_HAVE_PLATFORM_MXC_NAND select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX -config MACH_EUKREA_CPUIMX25 +config MACH_EUKREA_CPUIMX25SD bool "Support Eukrea CPUIMX25 Platform" select SOC_IMX25 select IMX_HAVE_PLATFORM_FLEXCAN @@ -199,7 +187,7 @@ config MACH_EUKREA_CPUIMX25 choice prompt "Baseboard" - depends on MACH_EUKREA_CPUIMX25 + depends on MACH_EUKREA_CPUIMX25SD default MACH_EUKREA_MBIMXSD25_BASEBOARD config MACH_EUKREA_MBIMXSD25_BASEBOARD @@ -593,7 +581,7 @@ config MACH_MX35_3DS Include support for MX35PDK platform. This includes specific configurations for the board and its peripherals. -config MACH_EUKREA_CPUIMX35 +config MACH_EUKREA_CPUIMX35SD bool "Support Eukrea CPUIMX35 Platform" select SOC_IMX35 select IMX_HAVE_PLATFORM_FLEXCAN @@ -611,7 +599,7 @@ config MACH_EUKREA_CPUIMX35 choice prompt "Baseboard" - depends on MACH_EUKREA_CPUIMX35 + depends on MACH_EUKREA_CPUIMX35SD default MACH_EUKREA_MBIMXSD35_BASEBOARD config MACH_EUKREA_MBIMXSD35_BASEBOARD @@ -847,13 +835,14 @@ comment "i.MX6 family:" config SOC_IMX6Q bool "i.MX6 Quad support" + select ARM_CPU_SUSPEND if PM select ARM_GIC - select CACHE_L2X0 select CPU_V7 select HAVE_ARM_SCU select HAVE_IMX_GPC select HAVE_IMX_MMDC select HAVE_IMX_SRC + select HAVE_SMP select USE_OF help diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index 9cf630a..55db9c4 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -26,7 +26,7 @@ obj-$(CONFIG_MACH_MX21ADS) += mach-mx21ads.o # i.MX25 based machines obj-$(CONFIG_MACH_MX25_3DS) += mach-mx25_3ds.o -obj-$(CONFIG_MACH_EUKREA_CPUIMX25) += mach-eukrea_cpuimx25.o +obj-$(CONFIG_MACH_EUKREA_CPUIMX25SD) += mach-eukrea_cpuimx25.o obj-$(CONFIG_MACH_EUKREA_MBIMXSD25_BASEBOARD) += eukrea_mbimxsd25-baseboard.o # i.MX27 based machines @@ -59,7 +59,7 @@ obj-$(CONFIG_MACH_BUG) += mach-bug.o # i.MX35 based machines obj-$(CONFIG_MACH_PCM043) += mach-pcm043.o obj-$(CONFIG_MACH_MX35_3DS) += mach-mx35_3ds.o -obj-$(CONFIG_MACH_EUKREA_CPUIMX35) += mach-cpuimx35.o +obj-$(CONFIG_MACH_EUKREA_CPUIMX35SD) += mach-cpuimx35.o obj-$(CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD) += eukrea_mbimxsd35-baseboard.o obj-$(CONFIG_MACH_VPR200) += mach-vpr200.o @@ -72,7 +72,11 @@ AFLAGS_head-v7.o :=-Wa,-march=armv7-a obj-$(CONFIG_SMP) += platsmp.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o obj-$(CONFIG_LOCAL_TIMERS) += localtimer.o -obj-$(CONFIG_SOC_IMX6Q) += clock-imx6q.o mach-imx6q.o pm-imx6q.o +obj-$(CONFIG_SOC_IMX6Q) += clock-imx6q.o mach-imx6q.o + +ifeq ($(CONFIG_PM),y) +obj-$(CONFIG_SOC_IMX6Q) += pm-imx6q.o +endif # i.MX5 based machines obj-$(CONFIG_MACH_MX51_BABBAGE) += mach-mx51_babbage.o diff --git a/arch/arm/mach-imx/Makefile.boot b/arch/arm/mach-imx/Makefile.boot index 2c12b78..6dfdbcc 100644 --- a/arch/arm/mach-imx/Makefile.boot +++ b/arch/arm/mach-imx/Makefile.boot @@ -1,22 +1,26 @@ -zreladdr-$(CONFIG_ARCH_MX1) += 0x08008000 -params_phys-$(CONFIG_ARCH_MX1) := 0x08000100 -initrd_phys-$(CONFIG_ARCH_MX1) := 0x08800000 +zreladdr-$(CONFIG_SOC_IMX1) += 0x08008000 +params_phys-$(CONFIG_SOC_IMX1) := 0x08000100 +initrd_phys-$(CONFIG_SOC_IMX1) := 0x08800000 -zreladdr-$(CONFIG_MACH_MX21) += 0xC0008000 -params_phys-$(CONFIG_MACH_MX21) := 0xC0000100 -initrd_phys-$(CONFIG_MACH_MX21) := 0xC0800000 +zreladdr-$(CONFIG_SOC_IMX21) += 0xC0008000 +params_phys-$(CONFIG_SOC_IMX21) := 0xC0000100 +initrd_phys-$(CONFIG_SOC_IMX21) := 0xC0800000 -zreladdr-$(CONFIG_ARCH_MX25) += 0x80008000 -params_phys-$(CONFIG_ARCH_MX25) := 0x80000100 -initrd_phys-$(CONFIG_ARCH_MX25) := 0x80800000 +zreladdr-$(CONFIG_SOC_IMX25) += 0x80008000 +params_phys-$(CONFIG_SOC_IMX25) := 0x80000100 +initrd_phys-$(CONFIG_SOC_IMX25) := 0x80800000 -zreladdr-$(CONFIG_MACH_MX27) += 0xA0008000 -params_phys-$(CONFIG_MACH_MX27) := 0xA0000100 -initrd_phys-$(CONFIG_MACH_MX27) := 0xA0800000 +zreladdr-$(CONFIG_SOC_IMX27) += 0xA0008000 +params_phys-$(CONFIG_SOC_IMX27) := 0xA0000100 +initrd_phys-$(CONFIG_SOC_IMX27) := 0xA0800000 -zreladdr-$(CONFIG_ARCH_MX3) += 0x80008000 -params_phys-$(CONFIG_ARCH_MX3) := 0x80000100 -initrd_phys-$(CONFIG_ARCH_MX3) := 0x80800000 +zreladdr-$(CONFIG_SOC_IMX31) += 0x80008000 +params_phys-$(CONFIG_SOC_IMX31) := 0x80000100 +initrd_phys-$(CONFIG_SOC_IMX31) := 0x80800000 + +zreladdr-$(CONFIG_SOC_IMX35) += 0x80008000 +params_phys-$(CONFIG_SOC_IMX35) := 0x80000100 +initrd_phys-$(CONFIG_SOC_IMX35) := 0x80800000 zreladdr-$(CONFIG_SOC_IMX50) += 0x70008000 params_phys-$(CONFIG_SOC_IMX50) := 0x70000100 @@ -33,3 +37,6 @@ initrd_phys-$(CONFIG_SOC_IMX53) := 0x70800000 zreladdr-$(CONFIG_SOC_IMX6Q) += 0x10008000 params_phys-$(CONFIG_SOC_IMX6Q) := 0x10000100 initrd_phys-$(CONFIG_SOC_IMX6Q) := 0x10800000 + +dtb-$(CONFIG_SOC_IMX6Q) += imx6q-arm2.dtb \ + imx6q-sabrelite.dtb diff --git a/arch/arm/mach-imx/clock-imx35.c b/arch/arm/mach-imx/clock-imx35.c index 8116f11..ac8238c 100644 --- a/arch/arm/mach-imx/clock-imx35.c +++ b/arch/arm/mach-imx/clock-imx35.c @@ -507,7 +507,7 @@ static struct clk_lookup lookups[] = { int __init mx35_clocks_init() { - unsigned int cgr2 = 3 << 26, cgr3 = 0; + unsigned int cgr2 = 3 << 26; #if defined(CONFIG_DEBUG_LL) && !defined(CONFIG_DEBUG_ICEDCC) cgr2 |= 3 << 16; @@ -521,6 +521,12 @@ int __init mx35_clocks_init() __raw_writel((3 << 18), CCM_BASE + CCM_CGR0); __raw_writel((3 << 2) | (3 << 4) | (3 << 6) | (3 << 8) | (3 << 16), CCM_BASE + CCM_CGR1); + __raw_writel(cgr2, CCM_BASE + CCM_CGR2); + __raw_writel(0, CCM_BASE + CCM_CGR3); + + clk_enable(&iim_clk); + imx_print_silicon_rev("i.MX35", mx35_revision()); + clk_disable(&iim_clk); /* * Check if we came up in internal boot mode. If yes, we need some @@ -529,17 +535,11 @@ int __init mx35_clocks_init() */ if (!(__raw_readl(CCM_BASE + CCM_RCSR) & (3 << 10))) { /* Additionally turn on UART1, SCC, and IIM clocks */ - cgr2 |= 3 << 16 | 3 << 4; - cgr3 |= 3 << 2; + clk_enable(&iim_clk); + clk_enable(&uart1_clk); + clk_enable(&scc_clk); } - __raw_writel(cgr2, CCM_BASE + CCM_CGR2); - __raw_writel(cgr3, CCM_BASE + CCM_CGR3); - - clk_enable(&iim_clk); - imx_print_silicon_rev("i.MX35", mx35_revision()); - clk_disable(&iim_clk); - #ifdef CONFIG_MXC_USE_EPIT epit_timer_init(&epit1_clk, MX35_IO_ADDRESS(MX35_EPIT1_BASE_ADDR), MX35_INT_EPIT1); diff --git a/arch/arm/mach-imx/clock-imx6q.c b/arch/arm/mach-imx/clock-imx6q.c index e0b926d..9273c2a 100644 --- a/arch/arm/mach-imx/clock-imx6q.c +++ b/arch/arm/mach-imx/clock-imx6q.c @@ -1139,7 +1139,7 @@ static int _clk_set_rate(struct clk *clk, unsigned long rate) return -EINVAL; max_div = ((d->bm_pred >> d->bp_pred) + 1) * - ((d->bm_pred >> d->bp_pred) + 1); + ((d->bm_podf >> d->bp_podf) + 1); div = parent_rate / rate; if (div == 0) @@ -1931,14 +1931,12 @@ int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode) val |= 0x1 << BP_CLPCR_LPM; val &= ~BM_CLPCR_VSTBY; val &= ~BM_CLPCR_SBYOS; - val |= BM_CLPCR_BYP_MMDC_CH1_LPM_HS; break; case STOP_POWER_OFF: val |= 0x2 << BP_CLPCR_LPM; val |= 0x3 << BP_CLPCR_STBY_COUNT; val |= BM_CLPCR_VSTBY; val |= BM_CLPCR_SBYOS; - val |= BM_CLPCR_BYP_MMDC_CH1_LPM_HS; break; default: return -EINVAL; @@ -1953,14 +1951,17 @@ static struct map_desc imx6q_clock_desc[] = { imx_map_entry(MX6Q, ANATOP, MT_DEVICE), }; +void __init imx6q_clock_map_io(void) +{ + iotable_init(imx6q_clock_desc, ARRAY_SIZE(imx6q_clock_desc)); +} + int __init mx6q_clocks_init(void) { struct device_node *np; void __iomem *base; int i, irq; - iotable_init(imx6q_clock_desc, ARRAY_SIZE(imx6q_clock_desc)); - /* retrieve the freqency of fixed clocks from device tree */ for_each_compatible_node(np, NULL, "fixed-clock") { u32 rate; @@ -2002,6 +2003,21 @@ int __init mx6q_clocks_init(void) clk_set_rate(&asrc_serial_clk, 1500000); clk_set_rate(&enfc_clk, 11000000); + /* + * Before pinctrl API is available, we have to rely on the pad + * configuration set up by bootloader. For usdhc example here, + * u-boot sets up the pads for 49.5 MHz case, and we have to lower + * the usdhc clock from 198 to 49.5 MHz to match the pad configuration. + * + * FIXME: This is should be removed after pinctrl API is available. + * At that time, usdhc driver can call pinctrl API to change pad + * configuration dynamically per different usdhc clock settings. + */ + clk_set_rate(&usdhc1_clk, 49500000); + clk_set_rate(&usdhc2_clk, 49500000); + clk_set_rate(&usdhc3_clk, 49500000); + clk_set_rate(&usdhc4_clk, 49500000); + np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt"); base = of_iomap(np, 0); WARN_ON(!base); diff --git a/arch/arm/mach-imx/clock-mx51-mx53.c b/arch/arm/mach-imx/clock-mx51-mx53.c index a2c654d..0847050 100644 --- a/arch/arm/mach-imx/clock-mx51-mx53.c +++ b/arch/arm/mach-imx/clock-mx51-mx53.c @@ -1281,9 +1281,9 @@ DEFINE_CLOCK(gpt_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG9_OFFSET, NULL, NULL, &ipg_clk, &gpt_ipg_clk); DEFINE_CLOCK(pwm1_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG6_OFFSET, - NULL, NULL, &ipg_clk, NULL); + NULL, NULL, &ipg_perclk, NULL); DEFINE_CLOCK(pwm2_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG8_OFFSET, - NULL, NULL, &ipg_clk, NULL); + NULL, NULL, &ipg_perclk, NULL); /* I2C */ DEFINE_CLOCK(i2c1_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG9_OFFSET, @@ -1634,6 +1634,7 @@ int __init mx53_clocks_init(unsigned long ckil, unsigned long osc, return 0; } +#ifdef CONFIG_OF static void __init clk_get_freq_dt(unsigned long *ckil, unsigned long *osc, unsigned long *ckih1, unsigned long *ckih2) { @@ -1671,3 +1672,4 @@ int __init mx53_clocks_init_dt(void) clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2); return mx53_clocks_init(ckil, osc, ckih1, ckih2); } +#endif diff --git a/arch/arm/mach-imx/cpu-imx5.c b/arch/arm/mach-imx/cpu-imx5.c index 5c53282..5e2e7a8 100644 --- a/arch/arm/mach-imx/cpu-imx5.c +++ b/arch/arm/mach-imx/cpu-imx5.c @@ -16,7 +16,7 @@ #include <linux/init.h> #include <linux/module.h> #include <mach/hardware.h> -#include <asm/io.h> +#include <linux/io.h> static int mx5_cpu_rev = -1; @@ -67,7 +67,8 @@ static int __init mx51_neon_fixup(void) if (!cpu_is_mx51()) return 0; - if (mx51_revision() < IMX_CHIP_REVISION_3_0 && (elf_hwcap & HWCAP_NEON)) { + if (mx51_revision() < IMX_CHIP_REVISION_3_0 && + (elf_hwcap & HWCAP_NEON)) { elf_hwcap &= ~HWCAP_NEON; pr_info("Turning off NEON support, detected broken NEON implementation\n"); } diff --git a/arch/arm/mach-imx/head-v7.S b/arch/arm/mach-imx/head-v7.S index 6229efb..7e49deb 100644 --- a/arch/arm/mach-imx/head-v7.S +++ b/arch/arm/mach-imx/head-v7.S @@ -16,7 +16,6 @@ #include <asm/hardware/cache-l2x0.h> .section ".text.head", "ax" - __CPUINIT /* * The secondary kernel init calls v7_flush_dcache_all before it enables @@ -33,6 +32,7 @@ */ ENTRY(v7_invalidate_l1) mov r0, #0 + mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache mcr p15, 2, r0, c0, c0, 0 mrc p15, 1, r0, c0, c0, 0 @@ -71,6 +71,7 @@ ENTRY(v7_secondary_startup) ENDPROC(v7_secondary_startup) #endif +#ifdef CONFIG_PM /* * The following code is located into the .data section. This is to * allow phys_l2x0_saved_regs to be accessed with a relative load @@ -79,6 +80,7 @@ ENDPROC(v7_secondary_startup) .data .align +#ifdef CONFIG_CACHE_L2X0 .macro pl310_resume ldr r2, phys_l2x0_saved_regs ldr r0, [r2, #L2X0_R_PHY_BASE] @ get physical base of l2x0 @@ -88,12 +90,17 @@ ENDPROC(v7_secondary_startup) str r1, [r0, #L2X0_CTRL] @ re-enable L2 .endm + .globl phys_l2x0_saved_regs +phys_l2x0_saved_regs: + .long 0 +#else + .macro pl310_resume + .endm +#endif + ENTRY(v7_cpu_resume) bl v7_invalidate_l1 pl310_resume b cpu_resume ENDPROC(v7_cpu_resume) - - .globl phys_l2x0_saved_regs -phys_l2x0_saved_regs: - .long 0 +#endif diff --git a/arch/arm/mach-imx/imx51-dt.c b/arch/arm/mach-imx/imx51-dt.c index ccc6158..e6bad17 100644 --- a/arch/arm/mach-imx/imx51-dt.c +++ b/arch/arm/mach-imx/imx51-dt.c @@ -44,20 +44,22 @@ static const struct of_dev_auxdata imx51_auxdata_lookup[] __initconst = { { /* sentinel */ } }; -static void __init imx51_tzic_add_irq_domain(struct device_node *np, +static int __init imx51_tzic_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { irq_domain_add_simple(np, 0); + return 0; } -static void __init imx51_gpio_add_irq_domain(struct device_node *np, +static int __init imx51_gpio_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { - static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS - - 32 * 4; /* imx51 gets 4 gpio ports */ + static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS; + gpio_irq_base -= 32; irq_domain_add_simple(np, gpio_irq_base); - gpio_irq_base += 32; + + return 0; } static const struct of_device_id imx51_irq_match[] __initconst = { @@ -113,4 +115,5 @@ DT_MACHINE_START(IMX51_DT, "Freescale i.MX51 (Device Tree Support)") .timer = &imx51_timer, .init_machine = imx51_dt_init, .dt_compat = imx51_dt_board_compat, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/imx53-dt.c b/arch/arm/mach-imx/imx53-dt.c index ccaa0b8..05ebb3e 100644 --- a/arch/arm/mach-imx/imx53-dt.c +++ b/arch/arm/mach-imx/imx53-dt.c @@ -48,20 +48,22 @@ static const struct of_dev_auxdata imx53_auxdata_lookup[] __initconst = { { /* sentinel */ } }; -static void __init imx53_tzic_add_irq_domain(struct device_node *np, +static int __init imx53_tzic_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { irq_domain_add_simple(np, 0); + return 0; } -static void __init imx53_gpio_add_irq_domain(struct device_node *np, +static int __init imx53_gpio_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { - static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS - - 32 * 7; /* imx53 gets 7 gpio ports */ + static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS; + gpio_irq_base -= 32; irq_domain_add_simple(np, gpio_irq_base); - gpio_irq_base += 32; + + return 0; } static const struct of_device_id imx53_irq_match[] __initconst = { @@ -123,4 +125,5 @@ DT_MACHINE_START(IMX53_DT, "Freescale i.MX53 (Device Tree Support)") .timer = &imx53_timer, .init_machine = imx53_dt_init, .dt_compat = imx53_dt_board_compat, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-apf9328.c b/arch/arm/mach-imx/mach-apf9328.c index 1e486e6..f4a63ee 100644 --- a/arch/arm/mach-imx/mach-apf9328.c +++ b/arch/arm/mach-imx/mach-apf9328.c @@ -18,6 +18,7 @@ #include <linux/platform_device.h> #include <linux/mtd/physmap.h> #include <linux/dm9000.h> +#include <linux/i2c.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -41,6 +42,9 @@ static const int apf9328_pins[] __initconst = { PB29_PF_UART2_RTS, PB30_PF_UART2_TXD, PB31_PF_UART2_RXD, + /* I2C */ + PA15_PF_I2C_SDA, + PA16_PF_I2C_SCL, }; /* @@ -103,6 +107,10 @@ static const struct imxuart_platform_data uart1_pdata __initconst = { .flags = IMXUART_HAVE_RTSCTS, }; +static const struct imxi2c_platform_data apf9328_i2c_data __initconst = { + .bitrate = 100000, +}; + static struct platform_device *devices[] __initdata = { &apf9328_flash_device, &dm9000x_device, @@ -119,6 +127,8 @@ static void __init apf9328_init(void) imx1_add_imx_uart0(NULL); imx1_add_imx_uart1(&uart1_pdata); + imx1_add_imx_i2c(&apf9328_i2c_data); + platform_add_devices(devices, ARRAY_SIZE(devices)); } @@ -139,4 +149,5 @@ MACHINE_START(APF9328, "Armadeus APF9328") .handle_irq = imx1_handle_irq, .timer = &apf9328_timer, .init_machine = apf9328_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-armadillo5x0.c b/arch/arm/mach-imx/mach-armadillo5x0.c index c9a9cf6..e4f426a 100644 --- a/arch/arm/mach-imx/mach-armadillo5x0.c +++ b/arch/arm/mach-imx/mach-armadillo5x0.c @@ -561,4 +561,5 @@ MACHINE_START(ARMADILLO5X0, "Armadillo-500") .handle_irq = imx31_handle_irq, .timer = &armadillo5x0_timer, .init_machine = armadillo5x0_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-bug.c b/arch/arm/mach-imx/mach-bug.c index 313f62d..9a98977 100644 --- a/arch/arm/mach-imx/mach-bug.c +++ b/arch/arm/mach-imx/mach-bug.c @@ -65,4 +65,5 @@ MACHINE_START(BUG, "BugLabs BUGBase") .handle_irq = imx31_handle_irq, .timer = &bug_timer, .init_machine = bug_board_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-cpuimx27.c b/arch/arm/mach-imx/mach-cpuimx27.c index edb3730..d085aea 100644 --- a/arch/arm/mach-imx/mach-cpuimx27.c +++ b/arch/arm/mach-imx/mach-cpuimx27.c @@ -318,4 +318,5 @@ MACHINE_START(EUKREA_CPUIMX27, "EUKREA CPUIMX27") .handle_irq = imx27_handle_irq, .timer = &eukrea_cpuimx27_timer, .init_machine = eukrea_cpuimx27_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-cpuimx35.c b/arch/arm/mach-imx/mach-cpuimx35.c index 66af2e8..8ecc872 100644 --- a/arch/arm/mach-imx/mach-cpuimx35.c +++ b/arch/arm/mach-imx/mach-cpuimx35.c @@ -53,12 +53,18 @@ static const struct imxi2c_platform_data .bitrate = 100000, }; +#define TSC2007_IRQGPIO IMX_GPIO_NR(3, 2) +static int tsc2007_get_pendown_state(void) +{ + return !gpio_get_value(TSC2007_IRQGPIO); +} + static struct tsc2007_platform_data tsc2007_info = { .model = 2007, .x_plate_ohms = 180, + .get_pendown_state = tsc2007_get_pendown_state, }; -#define TSC2007_IRQGPIO IMX_GPIO_NR(3, 2) static struct i2c_board_info eukrea_cpuimx35_i2c_devices[] = { { I2C_BOARD_INFO("pcf8563", 0x51), @@ -201,4 +207,5 @@ MACHINE_START(EUKREA_CPUIMX35SD, "Eukrea CPUIMX35") .handle_irq = imx35_handle_irq, .timer = &eukrea_cpuimx35_timer, .init_machine = eukrea_cpuimx35_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-cpuimx51.c b/arch/arm/mach-imx/mach-cpuimx51.c index 1fc1103..944025d 100644 --- a/arch/arm/mach-imx/mach-cpuimx51.c +++ b/arch/arm/mach-imx/mach-cpuimx51.c @@ -297,4 +297,5 @@ MACHINE_START(EUKREA_CPUIMX51, "Eukrea CPUIMX51 Module") .handle_irq = imx51_handle_irq, .timer = &mxc_timer, .init_machine = eukrea_cpuimx51_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-cpuimx51sd.c b/arch/arm/mach-imx/mach-cpuimx51sd.c index 52a11c1..9fbe923 100644 --- a/arch/arm/mach-imx/mach-cpuimx51sd.c +++ b/arch/arm/mach-imx/mach-cpuimx51sd.c @@ -335,4 +335,5 @@ MACHINE_START(EUKREA_CPUIMX51SD, "Eukrea CPUIMX51SD") .handle_irq = imx51_handle_irq, .timer = &mxc_timer, .init_machine = eukrea_cpuimx51sd_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-eukrea_cpuimx25.c b/arch/arm/mach-imx/mach-eukrea_cpuimx25.c index ab8fbcc..76a97a5 100644 --- a/arch/arm/mach-imx/mach-eukrea_cpuimx25.c +++ b/arch/arm/mach-imx/mach-eukrea_cpuimx25.c @@ -170,4 +170,5 @@ MACHINE_START(EUKREA_CPUIMX25SD, "Eukrea CPUIMX25") .handle_irq = imx25_handle_irq, .timer = &eukrea_cpuimx25_timer, .init_machine = eukrea_cpuimx25_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c index 38eb9e4..c2766ae 100644 --- a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c +++ b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c @@ -282,4 +282,5 @@ MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10") .handle_irq = imx27_handle_irq, .timer = &visstrim_m10_timer, .init_machine = visstrim_m10_board_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-imx27ipcam.c b/arch/arm/mach-imx/mach-imx27ipcam.c index 7052155..c9d350c 100644 --- a/arch/arm/mach-imx/mach-imx27ipcam.c +++ b/arch/arm/mach-imx/mach-imx27ipcam.c @@ -78,4 +78,5 @@ MACHINE_START(IMX27IPCAM, "Freescale IMX27IPCAM") .handle_irq = imx27_handle_irq, .timer = &mx27ipcam_timer, .init_machine = mx27ipcam_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-imx27lite.c b/arch/arm/mach-imx/mach-imx27lite.c index 8d6a635..1f45b91 100644 --- a/arch/arm/mach-imx/mach-imx27lite.c +++ b/arch/arm/mach-imx/mach-imx27lite.c @@ -84,4 +84,5 @@ MACHINE_START(IMX27LITE, "LogicPD i.MX27LITE") .handle_irq = imx27_handle_irq, .timer = &mx27lite_timer, .init_machine = mx27lite_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 8bf5fa3..c257281 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -10,12 +10,17 @@ * http://www.gnu.org/copyleft/gpl.html */ +#include <linux/delay.h> #include <linux/init.h> +#include <linux/io.h> #include <linux/irq.h> #include <linux/irqdomain.h> #include <linux/of.h> +#include <linux/of_address.h> #include <linux/of_irq.h> #include <linux/of_platform.h> +#include <linux/phy.h> +#include <linux/micrel_phy.h> #include <asm/hardware/cache-l2x0.h> #include <asm/hardware/gic.h> #include <asm/mach/arch.h> @@ -23,8 +28,57 @@ #include <mach/common.h> #include <mach/hardware.h> +void imx6q_restart(char mode, const char *cmd) +{ + struct device_node *np; + void __iomem *wdog_base; + + np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-wdt"); + wdog_base = of_iomap(np, 0); + if (!wdog_base) + goto soft; + + imx_src_prepare_restart(); + + /* enable wdog */ + writew_relaxed(1 << 2, wdog_base); + /* write twice to ensure the request will not get ignored */ + writew_relaxed(1 << 2, wdog_base); + + /* wait for reset to assert ... */ + mdelay(500); + + pr_err("Watchdog reset failed to assert reset\n"); + + /* 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); +} + +/* For imx6q sabrelite board: set KSZ9021RN RGMII pad skew */ +static int ksz9021rn_phy_fixup(struct phy_device *phydev) +{ + /* min rx data delay */ + phy_write(phydev, 0x0b, 0x8105); + phy_write(phydev, 0x0c, 0x0000); + + /* max rx/tx clock delay, min rx/tx control delay */ + phy_write(phydev, 0x0b, 0x8104); + phy_write(phydev, 0x0c, 0xf0f0); + phy_write(phydev, 0x0b, 0x104); + + return 0; +} + static void __init imx6q_init_machine(void) { + if (of_machine_is_compatible("fsl,imx6q-sabrelite")) + phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK, + ksz9021rn_phy_fixup); + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); imx6q_pm_init(); @@ -34,16 +88,18 @@ static void __init imx6q_map_io(void) { imx_lluart_map_io(); imx_scu_map_io(); + imx6q_clock_map_io(); } -static void __init imx6q_gpio_add_irq_domain(struct device_node *np, +static int __init imx6q_gpio_add_irq_domain(struct device_node *np, struct device_node *interrupt_parent) { - static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS - - 32 * 7; /* imx6q gets 7 gpio ports */ + static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS; + gpio_irq_base -= 32; irq_domain_add_simple(np, gpio_irq_base); - gpio_irq_base += 32; + + return 0; } static const struct of_device_id imx6q_irq_match[] __initconst = { @@ -70,7 +126,8 @@ static struct sys_timer imx6q_timer = { }; static const char *imx6q_dt_compat[] __initdata = { - "fsl,imx6q-sabreauto", + "fsl,imx6q-arm2", + "fsl,imx6q-sabrelite", NULL, }; @@ -81,4 +138,5 @@ DT_MACHINE_START(IMX6Q, "Freescale i.MX6 Quad (Device Tree)") .timer = &imx6q_timer, .init_machine = imx6q_init_machine, .dt_compat = imx6q_dt_compat, + .restart = imx6q_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-kzm_arm11_01.c b/arch/arm/mach-imx/mach-kzm_arm11_01.c index 5f37f89..fc78e80 100644 --- a/arch/arm/mach-imx/mach-kzm_arm11_01.c +++ b/arch/arm/mach-imx/mach-kzm_arm11_01.c @@ -279,4 +279,5 @@ MACHINE_START(KZM_ARM11_01, "Kyoto Microcomputer Co., Ltd. KZM-ARM11-01") .handle_irq = imx31_handle_irq, .timer = &kzm_timer, .init_machine = kzm_board_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mx1ads.c b/arch/arm/mach-imx/mach-mx1ads.c index fc49785..9704608 100644 --- a/arch/arm/mach-imx/mach-mx1ads.c +++ b/arch/arm/mach-imx/mach-mx1ads.c @@ -147,6 +147,7 @@ MACHINE_START(MX1ADS, "Freescale MX1ADS") .handle_irq = imx1_handle_irq, .timer = &mx1ads_timer, .init_machine = mx1ads_init, + .restart = mxc_restart, MACHINE_END MACHINE_START(MXLADS, "Freescale MXLADS") @@ -157,4 +158,5 @@ MACHINE_START(MXLADS, "Freescale MXLADS") .handle_irq = imx1_handle_irq, .timer = &mx1ads_timer, .init_machine = mx1ads_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mx21ads.c b/arch/arm/mach-imx/mach-mx21ads.c index 25f8402..8d9f955 100644 --- a/arch/arm/mach-imx/mach-mx21ads.c +++ b/arch/arm/mach-imx/mach-mx21ads.c @@ -312,4 +312,5 @@ MACHINE_START(MX21ADS, "Freescale i.MX21ADS") .handle_irq = imx21_handle_irq, .timer = &mx21ads_timer, .init_machine = mx21ads_board_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mx25_3ds.c b/arch/arm/mach-imx/mach-mx25_3ds.c index 88dccf1..f267342 100644 --- a/arch/arm/mach-imx/mach-mx25_3ds.c +++ b/arch/arm/mach-imx/mach-mx25_3ds.c @@ -270,4 +270,5 @@ MACHINE_START(MX25_3DS, "Freescale MX25PDK (3DS)") .handle_irq = imx25_handle_irq, .timer = &mx25pdk_timer, .init_machine = mx25pdk_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mx27_3ds.c b/arch/arm/mach-imx/mach-mx27_3ds.c index ba232d7..18f3581 100644 --- a/arch/arm/mach-imx/mach-mx27_3ds.c +++ b/arch/arm/mach-imx/mach-mx27_3ds.c @@ -425,4 +425,5 @@ MACHINE_START(MX27_3DS, "Freescale MX27PDK") .handle_irq = imx27_handle_irq, .timer = &mx27pdk_timer, .init_machine = mx27pdk_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mx27ads.c b/arch/arm/mach-imx/mach-mx27ads.c index 74dd573..0228d2e 100644 --- a/arch/arm/mach-imx/mach-mx27ads.c +++ b/arch/arm/mach-imx/mach-mx27ads.c @@ -351,4 +351,5 @@ MACHINE_START(MX27ADS, "Freescale i.MX27ADS") .handle_irq = imx27_handle_irq, .timer = &mx27ads_timer, .init_machine = mx27ads_board_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mx31_3ds.c b/arch/arm/mach-imx/mach-mx31_3ds.c index b8c54b8..4d1aab1 100644 --- a/arch/arm/mach-imx/mach-mx31_3ds.c +++ b/arch/arm/mach-imx/mach-mx31_3ds.c @@ -36,6 +36,7 @@ #include <asm/mach/time.h> #include <asm/memory.h> #include <asm/mach/map.h> +#include <asm/memblock.h> #include <mach/common.h> #include <mach/iomux-mx3.h> #include <mach/3ds_debugboard.h> @@ -492,7 +493,7 @@ static struct mc13xxx_platform_data mc13783_pdata = { .regulators = mx31_3ds_regulators, .num_regulators = ARRAY_SIZE(mx31_3ds_regulators), }, - .flags = MC13XXX_USE_TOUCHSCREEN, + .flags = MC13XXX_USE_TOUCHSCREEN | MC13XXX_USE_RTC, }; /* SPI */ @@ -754,10 +755,8 @@ static struct sys_timer mx31_3ds_timer = { static void __init mx31_3ds_reserve(void) { /* reserve MX31_3DS_CAMERA_BUF_SIZE bytes for mx3-camera */ - mx3_camera_base = memblock_alloc(MX31_3DS_CAMERA_BUF_SIZE, + mx3_camera_base = arm_memblock_steal(MX31_3DS_CAMERA_BUF_SIZE, MX31_3DS_CAMERA_BUF_SIZE); - memblock_free(mx3_camera_base, MX31_3DS_CAMERA_BUF_SIZE); - memblock_remove(mx3_camera_base, MX31_3DS_CAMERA_BUF_SIZE); } MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)") @@ -770,4 +769,5 @@ MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)") .timer = &mx31_3ds_timer, .init_machine = mx31_3ds_init, .reserve = mx31_3ds_reserve, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mx31ads.c b/arch/arm/mach-imx/mach-mx31ads.c index 9cc1a49..4917aab 100644 --- a/arch/arm/mach-imx/mach-mx31ads.c +++ b/arch/arm/mach-imx/mach-mx31ads.c @@ -542,4 +542,5 @@ MACHINE_START(MX31ADS, "Freescale MX31ADS") .handle_irq = imx31_handle_irq, .timer = &mx31ads_timer, .init_machine = mx31ads_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mx31lilly.c b/arch/arm/mach-imx/mach-mx31lilly.c index 102ec99..02401bb 100644 --- a/arch/arm/mach-imx/mach-mx31lilly.c +++ b/arch/arm/mach-imx/mach-mx31lilly.c @@ -303,4 +303,5 @@ MACHINE_START(LILLY1131, "INCO startec LILLY-1131") .handle_irq = imx31_handle_irq, .timer = &mx31lilly_timer, .init_machine = mx31lilly_board_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mx31lite.c b/arch/arm/mach-imx/mach-mx31lite.c index 5366d2d..ef80751 100644 --- a/arch/arm/mach-imx/mach-mx31lite.c +++ b/arch/arm/mach-imx/mach-mx31lite.c @@ -287,4 +287,5 @@ MACHINE_START(MX31LITE, "LogicPD i.MX31 SOM") .handle_irq = imx31_handle_irq, .timer = &mx31lite_timer, .init_machine = mx31lite_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mx31moboard.c b/arch/arm/mach-imx/mach-mx31moboard.c index 9326915..f225262 100644 --- a/arch/arm/mach-imx/mach-mx31moboard.c +++ b/arch/arm/mach-imx/mach-mx31moboard.c @@ -41,6 +41,7 @@ #include <asm/mach/arch.h> #include <asm/mach/time.h> #include <asm/mach/map.h> +#include <asm/memblock.h> #include <mach/board-mx31moboard.h> #include <mach/common.h> #include <mach/hardware.h> @@ -584,10 +585,8 @@ struct sys_timer mx31moboard_timer = { static void __init mx31moboard_reserve(void) { /* reserve 4 MiB for mx3-camera */ - mx3_camera_base = memblock_alloc(MX3_CAMERA_BUF_SIZE, + mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE, MX3_CAMERA_BUF_SIZE); - memblock_free(mx3_camera_base, MX3_CAMERA_BUF_SIZE); - memblock_remove(mx3_camera_base, MX3_CAMERA_BUF_SIZE); } MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard") @@ -600,4 +599,5 @@ MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard") .handle_irq = imx31_handle_irq, .timer = &mx31moboard_timer, .init_machine = mx31moboard_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mx35_3ds.c b/arch/arm/mach-imx/mach-mx35_3ds.c index 7a46202..0af6c9c 100644 --- a/arch/arm/mach-imx/mach-mx35_3ds.c +++ b/arch/arm/mach-imx/mach-mx35_3ds.c @@ -224,4 +224,5 @@ MACHINE_START(MX35_3DS, "Freescale MX35PDK") .handle_irq = imx35_handle_irq, .timer = &mx35pdk_timer, .init_machine = mx35_3ds_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mx50_rdp.c b/arch/arm/mach-imx/mach-mx50_rdp.c index fc3621d..42b66e8 100644 --- a/arch/arm/mach-imx/mach-mx50_rdp.c +++ b/arch/arm/mach-imx/mach-mx50_rdp.c @@ -222,4 +222,5 @@ MACHINE_START(MX50_RDP, "Freescale MX50 Reference Design Platform") .handle_irq = imx50_handle_irq, .timer = &mx50_rdp_timer, .init_machine = mx50_rdp_board_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mx51_3ds.c b/arch/arm/mach-imx/mach-mx51_3ds.c index 0578390..83eab41 100644 --- a/arch/arm/mach-imx/mach-mx51_3ds.c +++ b/arch/arm/mach-imx/mach-mx51_3ds.c @@ -175,4 +175,5 @@ MACHINE_START(MX51_3DS, "Freescale MX51 3-Stack Board") .handle_irq = imx51_handle_irq, .timer = &mx51_3ds_timer, .init_machine = mx51_3ds_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mx51_babbage.c b/arch/arm/mach-imx/mach-mx51_babbage.c index 5c837603..e4b822e 100644 --- a/arch/arm/mach-imx/mach-mx51_babbage.c +++ b/arch/arm/mach-imx/mach-mx51_babbage.c @@ -362,7 +362,7 @@ static void __init mx51_babbage_init(void) { iomux_v3_cfg_t usbh1stp = MX51_PAD_USBH1_STP__USBH1_STP; iomux_v3_cfg_t power_key = NEW_PAD_CTRL(MX51_PAD_EIM_A27__GPIO2_21, - PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | PAD_CTL_PUS_100K_UP); + PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH); imx51_soc_init(); @@ -426,4 +426,5 @@ MACHINE_START(MX51_BABBAGE, "Freescale MX51 Babbage Board") .handle_irq = imx51_handle_irq, .timer = &mx51_babbage_timer, .init_machine = mx51_babbage_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mx51_efikamx.c b/arch/arm/mach-imx/mach-mx51_efikamx.c index a9e4866..3a5ed2d 100644 --- a/arch/arm/mach-imx/mach-mx51_efikamx.c +++ b/arch/arm/mach-imx/mach-mx51_efikamx.c @@ -182,7 +182,7 @@ static const struct gpio_keys_platform_data mx51_efikamx_powerkey_data __initcon .nbuttons = ARRAY_SIZE(mx51_efikamx_powerkey), }; -void mx51_efikamx_reset(void) +static void mx51_efikamx_restart(char mode, const char *cmd) { if (system_rev == 0x11) gpio_direction_output(EFIKAMX_RESET1_1, 0); @@ -292,4 +292,5 @@ MACHINE_START(MX51_EFIKAMX, "Genesi EfikaMX nettop") .handle_irq = imx51_handle_irq, .timer = &mx51_efikamx_timer, .init_machine = mx51_efikamx_init, + .restart = mx51_efikamx_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mx51_efikasb.c b/arch/arm/mach-imx/mach-mx51_efikasb.c index 38c4a3e..ea5f65b 100644 --- a/arch/arm/mach-imx/mach-mx51_efikasb.c +++ b/arch/arm/mach-imx/mach-mx51_efikasb.c @@ -287,4 +287,5 @@ MACHINE_START(MX51_EFIKASB, "Genesi Efika Smartbook") .handle_irq = imx51_handle_irq, .init_machine = efikasb_board_init, .timer = &mx51_efikasb_timer, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mx53_ard.c b/arch/arm/mach-imx/mach-mx53_ard.c index b88a2bc..08dfb76 100644 --- a/arch/arm/mach-imx/mach-mx53_ard.c +++ b/arch/arm/mach-imx/mach-mx53_ard.c @@ -256,4 +256,5 @@ MACHINE_START(MX53_ARD, "Freescale MX53 ARD Board") .handle_irq = imx53_handle_irq, .timer = &mx53_ard_timer, .init_machine = mx53_ard_board_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mx53_evk.c b/arch/arm/mach-imx/mach-mx53_evk.c index c69413d..5a72188 100644 --- a/arch/arm/mach-imx/mach-mx53_evk.c +++ b/arch/arm/mach-imx/mach-mx53_evk.c @@ -105,7 +105,7 @@ static inline void mx53_evk_fec_reset(void) gpio_set_value(MX53_EVK_FEC_PHY_RST, 1); } -static struct fec_platform_data mx53_evk_fec_pdata = { +static const struct fec_platform_data mx53_evk_fec_pdata __initconst = { .phy = PHY_INTERFACE_MODE_RMII, }; @@ -174,4 +174,5 @@ MACHINE_START(MX53_EVK, "Freescale MX53 EVK Board") .handle_irq = imx53_handle_irq, .timer = &mx53_evk_timer, .init_machine = mx53_evk_board_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mx53_loco.c b/arch/arm/mach-imx/mach-mx53_loco.c index e64a8f7..37f67ca 100644 --- a/arch/arm/mach-imx/mach-mx53_loco.c +++ b/arch/arm/mach-imx/mach-mx53_loco.c @@ -241,7 +241,7 @@ static inline void mx53_loco_fec_reset(void) gpio_set_value(LOCO_FEC_PHY_RST, 1); } -static struct fec_platform_data mx53_loco_fec_data = { +static const struct fec_platform_data mx53_loco_fec_data __initconst = { .phy = PHY_INTERFACE_MODE_RMII, }; @@ -316,4 +316,5 @@ MACHINE_START(MX53_LOCO, "Freescale MX53 LOCO Board") .handle_irq = imx53_handle_irq, .timer = &mx53_loco_timer, .init_machine = mx53_loco_board_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mx53_smd.c b/arch/arm/mach-imx/mach-mx53_smd.c index d498573..8e972c5 100644 --- a/arch/arm/mach-imx/mach-mx53_smd.c +++ b/arch/arm/mach-imx/mach-mx53_smd.c @@ -103,7 +103,7 @@ static inline void mx53_smd_fec_reset(void) gpio_set_value(SMD_FEC_PHY_RST, 1); } -static struct fec_platform_data mx53_smd_fec_data = { +static const struct fec_platform_data mx53_smd_fec_data __initconst = { .phy = PHY_INTERFACE_MODE_RMII, }; @@ -163,4 +163,5 @@ MACHINE_START(MX53_SMD, "Freescale MX53 SMD Board") .handle_irq = imx53_handle_irq, .timer = &mx53_smd_timer, .init_machine = mx53_smd_board_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-mxt_td60.c b/arch/arm/mach-imx/mach-mxt_td60.c index 125c196..8b3d3f0 100644 --- a/arch/arm/mach-imx/mach-mxt_td60.c +++ b/arch/arm/mach-imx/mach-mxt_td60.c @@ -274,4 +274,5 @@ MACHINE_START(MXT_TD60, "Maxtrack i-MXT TD60") .handle_irq = imx27_handle_irq, .timer = &mxt_td60_timer, .init_machine = mxt_td60_board_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-pca100.c b/arch/arm/mach-imx/mach-pca100.c index 26072f4..d3b9c6b 100644 --- a/arch/arm/mach-imx/mach-pca100.c +++ b/arch/arm/mach-imx/mach-pca100.c @@ -442,4 +442,5 @@ MACHINE_START(PCA100, "phyCARD-i.MX27") .handle_irq = imx27_handle_irq, .init_machine = pca100_init, .timer = &pca100_timer, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-pcm037.c b/arch/arm/mach-imx/mach-pcm037.c index efd6b53..e48854b 100644 --- a/arch/arm/mach-imx/mach-pcm037.c +++ b/arch/arm/mach-imx/mach-pcm037.c @@ -39,6 +39,7 @@ #include <asm/mach/arch.h> #include <asm/mach/time.h> #include <asm/mach/map.h> +#include <asm/memblock.h> #include <mach/common.h> #include <mach/hardware.h> #include <mach/iomux-mx3.h> @@ -680,10 +681,8 @@ struct sys_timer pcm037_timer = { static void __init pcm037_reserve(void) { /* reserve 4 MiB for mx3-camera */ - mx3_camera_base = memblock_alloc(MX3_CAMERA_BUF_SIZE, + mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE, MX3_CAMERA_BUF_SIZE); - memblock_free(mx3_camera_base, MX3_CAMERA_BUF_SIZE); - memblock_remove(mx3_camera_base, MX3_CAMERA_BUF_SIZE); } MACHINE_START(PCM037, "Phytec Phycore pcm037") @@ -696,4 +695,5 @@ MACHINE_START(PCM037, "Phytec Phycore pcm037") .handle_irq = imx31_handle_irq, .timer = &pcm037_timer, .init_machine = pcm037_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-pcm038.c b/arch/arm/mach-imx/mach-pcm038.c index a17e9c7..16f126d 100644 --- a/arch/arm/mach-imx/mach-pcm038.c +++ b/arch/arm/mach-imx/mach-pcm038.c @@ -357,4 +357,5 @@ MACHINE_START(PCM038, "phyCORE-i.MX27") .handle_irq = imx27_handle_irq, .timer = &pcm038_timer, .init_machine = pcm038_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-pcm043.c b/arch/arm/mach-imx/mach-pcm043.c index 7366c2a..06dc106 100644 --- a/arch/arm/mach-imx/mach-pcm043.c +++ b/arch/arm/mach-imx/mach-pcm043.c @@ -425,4 +425,5 @@ MACHINE_START(PCM043, "Phytec Phycore pcm043") .handle_irq = imx35_handle_irq, .timer = &pcm043_timer, .init_machine = pcm043_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-qong.c b/arch/arm/mach-imx/mach-qong.c index 4ff5faf..2606210 100644 --- a/arch/arm/mach-imx/mach-qong.c +++ b/arch/arm/mach-imx/mach-qong.c @@ -273,4 +273,5 @@ MACHINE_START(QONG, "Dave/DENX QongEVB-LITE") .handle_irq = imx31_handle_irq, .timer = &qong_timer, .init_machine = qong_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-scb9328.c b/arch/arm/mach-imx/mach-scb9328.c index bb6e5b2..cb9ceae 100644 --- a/arch/arm/mach-imx/mach-scb9328.c +++ b/arch/arm/mach-imx/mach-scb9328.c @@ -144,4 +144,5 @@ MACHINE_START(SCB9328, "Synertronixx scb9328") .handle_irq = imx1_handle_irq, .timer = &scb9328_timer, .init_machine = scb9328_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mach-vpr200.c b/arch/arm/mach-imx/mach-vpr200.c index 6909245..033257e 100644 --- a/arch/arm/mach-imx/mach-vpr200.c +++ b/arch/arm/mach-imx/mach-vpr200.c @@ -322,4 +322,5 @@ MACHINE_START(VPR200, "VPR200") .handle_irq = imx35_handle_irq, .timer = &vpr200_timer, .init_machine = vpr200_board_init, + .restart = mxc_restart, MACHINE_END diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c index 9f0e82e..31807d2 100644 --- a/arch/arm/mach-imx/mm-imx3.c +++ b/arch/arm/mach-imx/mm-imx3.c @@ -33,29 +33,32 @@ static void imx3_idle(void) { unsigned long reg = 0; - __asm__ __volatile__( - /* disable I and D cache */ - "mrc p15, 0, %0, c1, c0, 0\n" - "bic %0, %0, #0x00001000\n" - "bic %0, %0, #0x00000004\n" - "mcr p15, 0, %0, c1, c0, 0\n" - /* invalidate I cache */ - "mov %0, #0\n" - "mcr p15, 0, %0, c7, c5, 0\n" - /* clear and invalidate D cache */ - "mov %0, #0\n" - "mcr p15, 0, %0, c7, c14, 0\n" - /* WFI */ - "mov %0, #0\n" - "mcr p15, 0, %0, c7, c0, 4\n" - "nop\n" "nop\n" "nop\n" "nop\n" - "nop\n" "nop\n" "nop\n" - /* enable I and D cache */ - "mrc p15, 0, %0, c1, c0, 0\n" - "orr %0, %0, #0x00001000\n" - "orr %0, %0, #0x00000004\n" - "mcr p15, 0, %0, c1, c0, 0\n" - : "=r" (reg)); + + if (!need_resched()) + __asm__ __volatile__( + /* disable I and D cache */ + "mrc p15, 0, %0, c1, c0, 0\n" + "bic %0, %0, #0x00001000\n" + "bic %0, %0, #0x00000004\n" + "mcr p15, 0, %0, c1, c0, 0\n" + /* invalidate I cache */ + "mov %0, #0\n" + "mcr p15, 0, %0, c7, c5, 0\n" + /* clear and invalidate D cache */ + "mov %0, #0\n" + "mcr p15, 0, %0, c7, c14, 0\n" + /* WFI */ + "mov %0, #0\n" + "mcr p15, 0, %0, c7, c0, 4\n" + "nop\n" "nop\n" "nop\n" "nop\n" + "nop\n" "nop\n" "nop\n" + /* enable I and D cache */ + "mrc p15, 0, %0, c1, c0, 0\n" + "orr %0, %0, #0x00001000\n" + "orr %0, %0, #0x00000004\n" + "mcr p15, 0, %0, c1, c0, 0\n" + : "=r" (reg)); + local_irq_enable(); } static void __iomem *imx3_ioremap(unsigned long phys_addr, size_t size, @@ -108,6 +111,7 @@ void imx3_init_l2x0(void) l2x0_init(l2x0_base, 0x00030024, 0x00000000); } +#ifdef CONFIG_SOC_IMX31 static struct map_desc mx31_io_desc[] __initdata = { imx_map_entry(MX31, X_MEMC, MT_DEVICE), imx_map_entry(MX31, AVIC, MT_DEVICE_NONSHARED), @@ -126,33 +130,11 @@ void __init mx31_map_io(void) iotable_init(mx31_io_desc, ARRAY_SIZE(mx31_io_desc)); } -static struct map_desc mx35_io_desc[] __initdata = { - imx_map_entry(MX35, X_MEMC, MT_DEVICE), - imx_map_entry(MX35, AVIC, MT_DEVICE_NONSHARED), - imx_map_entry(MX35, AIPS1, MT_DEVICE_NONSHARED), - imx_map_entry(MX35, AIPS2, MT_DEVICE_NONSHARED), - imx_map_entry(MX35, SPBA0, MT_DEVICE_NONSHARED), -}; - -void __init mx35_map_io(void) -{ - iotable_init(mx35_io_desc, ARRAY_SIZE(mx35_io_desc)); -} - void __init imx31_init_early(void) { mxc_set_cpu_type(MXC_CPU_MX31); mxc_arch_reset_init(MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR)); - imx_idle = imx3_idle; - imx_ioremap = imx3_ioremap; -} - -void __init imx35_init_early(void) -{ - mxc_set_cpu_type(MXC_CPU_MX35); - mxc_iomux_v3_init(MX35_IO_ADDRESS(MX35_IOMUXC_BASE_ADDR)); - mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR)); - imx_idle = imx3_idle; + pm_idle = imx3_idle; imx_ioremap = imx3_ioremap; } @@ -161,11 +143,6 @@ void __init mx31_init_irq(void) mxc_init_irq(MX31_IO_ADDRESS(MX31_AVIC_BASE_ADDR)); } -void __init mx35_init_irq(void) -{ - mxc_init_irq(MX35_IO_ADDRESS(MX35_AVIC_BASE_ADDR)); -} - static struct sdma_script_start_addrs imx31_to1_sdma_script __initdata = { .per_2_per_addr = 1677, }; @@ -199,6 +176,35 @@ void __init imx31_soc_init(void) imx_add_imx_sdma("imx31-sdma", MX31_SDMA_BASE_ADDR, MX31_INT_SDMA, &imx31_sdma_pdata); } +#endif /* ifdef CONFIG_SOC_IMX31 */ + +#ifdef CONFIG_SOC_IMX35 +static struct map_desc mx35_io_desc[] __initdata = { + imx_map_entry(MX35, X_MEMC, MT_DEVICE), + imx_map_entry(MX35, AVIC, MT_DEVICE_NONSHARED), + imx_map_entry(MX35, AIPS1, MT_DEVICE_NONSHARED), + imx_map_entry(MX35, AIPS2, MT_DEVICE_NONSHARED), + imx_map_entry(MX35, SPBA0, MT_DEVICE_NONSHARED), +}; + +void __init mx35_map_io(void) +{ + iotable_init(mx35_io_desc, ARRAY_SIZE(mx35_io_desc)); +} + +void __init imx35_init_early(void) +{ + mxc_set_cpu_type(MXC_CPU_MX35); + mxc_iomux_v3_init(MX35_IO_ADDRESS(MX35_IOMUXC_BASE_ADDR)); + mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR)); + pm_idle = imx3_idle; + imx_ioremap = imx3_ioremap; +} + +void __init mx35_init_irq(void) +{ + mxc_init_irq(MX35_IO_ADDRESS(MX35_AVIC_BASE_ADDR)); +} static struct sdma_script_start_addrs imx35_to1_sdma_script __initdata = { .ap_2_ap_addr = 642, @@ -254,3 +260,4 @@ void __init imx35_soc_init(void) imx_add_imx_sdma("imx35-sdma", MX35_SDMA_BASE_ADDR, MX35_INT_SDMA, &imx35_sdma_pdata); } +#endif /* ifdef CONFIG_SOC_IMX35 */ diff --git a/arch/arm/mach-imx/mm-imx5.c b/arch/arm/mach-imx/mm-imx5.c index 26eacc9..bc17dfe 100644 --- a/arch/arm/mach-imx/mm-imx5.c +++ b/arch/arm/mach-imx/mm-imx5.c @@ -13,6 +13,7 @@ #include <linux/mm.h> #include <linux/init.h> +#include <linux/clk.h> #include <asm/mach/map.h> @@ -21,9 +22,27 @@ #include <mach/devices-common.h> #include <mach/iomux-v3.h> +static struct clk *gpc_dvfs_clk; + static void imx5_idle(void) { - mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF); + if (!need_resched()) { + /* gpc clock is needed for SRPG */ + if (gpc_dvfs_clk == NULL) { + gpc_dvfs_clk = clk_get(NULL, "gpc_dvfs"); + if (IS_ERR(gpc_dvfs_clk)) + goto err0; + } + clk_enable(gpc_dvfs_clk); + mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF); + if (tzic_enable_wake()) + goto err1; + cpu_do_idle(); +err1: + clk_disable(gpc_dvfs_clk); + } +err0: + local_irq_enable(); } /* @@ -89,7 +108,7 @@ void __init imx51_init_early(void) mxc_set_cpu_type(MXC_CPU_MX51); mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR)); mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG1_BASE_ADDR)); - imx_idle = imx5_idle; + pm_idle = imx5_idle; } void __init imx53_init_early(void) diff --git a/arch/arm/mach-imx/pm-imx5.c b/arch/arm/mach-imx/pm-imx5.c index 3d57b5d..6dc0934 100644 --- a/arch/arm/mach-imx/pm-imx5.c +++ b/arch/arm/mach-imx/pm-imx5.c @@ -61,9 +61,6 @@ void mx5_cpu_lp_set(enum mxc_cpu_pwr_mode mode) stop_mode = 1; } arm_srpgcr |= MXC_SRPGCR_PCR; - - if (tzic_enable_wake(1) != 0) - return; break; case STOP_POWER_ON: ccm_clpcr |= 0x2 << MXC_CCM_CLPCR_LPM_OFFSET; diff --git a/arch/arm/mach-imx/pm-imx6q.c b/arch/arm/mach-imx/pm-imx6q.c index f20f191..f7b0c2b 100644 --- a/arch/arm/mach-imx/pm-imx6q.c +++ b/arch/arm/mach-imx/pm-imx6q.c @@ -64,7 +64,9 @@ void __init imx6q_pm_init(void) * address of the data structure used by l2x0 core to save registers, * and later restore the necessary ones in imx6q resume entry. */ +#ifdef CONFIG_CACHE_L2X0 phys_l2x0_saved_regs = __pa(&l2x0_saved_regs); +#endif suspend_set_ops(&imx6q_pm_ops); } diff --git a/arch/arm/mach-imx/src.c b/arch/arm/mach-imx/src.c index 36cacbd..29bd124 100644 --- a/arch/arm/mach-imx/src.c +++ b/arch/arm/mach-imx/src.c @@ -14,19 +14,25 @@ #include <linux/io.h> #include <linux/of.h> #include <linux/of_address.h> -#include <asm/unified.h> +#include <linux/smp.h> #define SRC_SCR 0x000 #define SRC_GPR1 0x020 +#define BP_SRC_SCR_WARM_RESET_ENABLE 0 #define BP_SRC_SCR_CORE1_RST 14 #define BP_SRC_SCR_CORE1_ENABLE 22 static void __iomem *src_base; +#ifndef CONFIG_SMP +#define cpu_logical_map(cpu) 0 +#endif + void imx_enable_cpu(int cpu, bool enable) { u32 mask, val; + cpu = cpu_logical_map(cpu); mask = 1 << (BP_SRC_SCR_CORE1_ENABLE + cpu - 1); val = readl_relaxed(src_base + SRC_SCR); val = enable ? val | mask : val & ~mask; @@ -35,15 +41,38 @@ void imx_enable_cpu(int cpu, bool enable) void imx_set_cpu_jump(int cpu, void *jump_addr) { - writel_relaxed(BSYM(virt_to_phys(jump_addr)), + cpu = cpu_logical_map(cpu); + writel_relaxed(virt_to_phys(jump_addr), src_base + SRC_GPR1 + cpu * 8); } +void imx_src_prepare_restart(void) +{ + u32 val; + + /* clear enable bits of secondary cores */ + val = readl_relaxed(src_base + SRC_SCR); + val &= ~(0x7 << BP_SRC_SCR_CORE1_ENABLE); + writel_relaxed(val, src_base + SRC_SCR); + + /* clear persistent entry register of primary core */ + writel_relaxed(0, src_base + SRC_GPR1); +} + void __init imx_src_init(void) { struct device_node *np; + u32 val; np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-src"); src_base = of_iomap(np, 0); WARN_ON(!src_base); + + /* + * force warm reset sources to generate cold reset + * for a more reliable restart + */ + val = readl_relaxed(src_base + SRC_SCR); + val &= ~(1 << BP_SRC_SCR_WARM_RESET_ENABLE); + writel_relaxed(val, src_base + SRC_SCR); } |
