diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/Kconfig | 5 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/soc.c | 29 | ||||
| -rw-r--r-- | arch/arm/imx-common/cpu.c | 10 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-imx/cpu.h | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-mx6/crm_regs.h | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-mx6/mx6sl_pins.h | 10 |
6 files changed, 57 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 7a2f91c..eb92297 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -465,6 +465,10 @@ config TARGET_WANDBOARD bool "Support wandboard" select CPU_V7 +config TARGET_WARP + bool "Support WaRP" + select CPU_V7 + config TARGET_TITANIUM bool "Support titanium" select CPU_V7 @@ -838,6 +842,7 @@ source "board/ttcontrol/vision2/Kconfig" source "board/udoo/Kconfig" source "board/vpac270/Kconfig" source "board/wandboard/Kconfig" +source "board/warp/Kconfig" source "board/woodburn/Kconfig" source "board/xaeniax/Kconfig" source "board/zipitz2/Kconfig" diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index e599a12..ef02972 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -230,6 +230,11 @@ static void imx_set_wdog_powerdown(bool enable) struct wdog_regs *wdog1 = (struct wdog_regs *)WDOG1_BASE_ADDR; struct wdog_regs *wdog2 = (struct wdog_regs *)WDOG2_BASE_ADDR; +#ifdef CONFIG_MX6SX + struct wdog_regs *wdog3 = (struct wdog_regs *)WDOG3_BASE_ADDR; + writew(enable, &wdog3->wmcr); +#endif + /* Write to the PDE (Power Down Enable) bit */ writew(enable, &wdog1->wmcr); writew(enable, &wdog2->wmcr); @@ -255,6 +260,23 @@ static void clear_mmdc_ch_mask(void) writel(0, &mxc_ccm->ccdr); } +static void init_bandgap(void) +{ + struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR; + /* + * Ensure the bandgap has stabilized. + */ + while (!(readl(&anatop->ana_misc0) & 0x80)) + ; + /* + * For best noise performance of the analog blocks using the + * outputs of the bandgap, the reftop_selfbiasoff bit should + * be set. + */ + writel(BM_ANADIG_ANA_MISC0_REFTOP_SELBIASOFF, &anatop->ana_misc0_set); +} + + #ifdef CONFIG_MX6SL static void set_preclk_from_osc(void) { @@ -275,6 +297,13 @@ int arch_cpu_init(void) clear_mmdc_ch_mask(); /* + * Disable self-bias circuit in the analog bandap. + * The self-bias circuit is used by the bandgap during startup. + * This bit should be set after the bandgap has initialized. + */ + init_bandgap(); + + /* * When low freq boot is enabled, ROM will not set AHB * freq, so we need to ensure AHB freq is 132MHz in such * scenario. diff --git a/arch/arm/imx-common/cpu.c b/arch/arm/imx-common/cpu.c index 28ccd29..067d08f 100644 --- a/arch/arm/imx-common/cpu.c +++ b/arch/arm/imx-common/cpu.c @@ -24,13 +24,16 @@ #include <fsl_esdhc.h> #endif -char *get_reset_cause(void) +static u32 reset_cause = -1; + +static char *get_reset_cause(void) { u32 cause; struct src *src_regs = (struct src *)SRC_BASE_ADDR; cause = readl(&src_regs->srsr); writel(cause, &src_regs->srsr); + reset_cause = cause; switch (cause) { case 0x00001: @@ -53,6 +56,11 @@ char *get_reset_cause(void) } } +u32 get_imx_reset_cause(void) +{ + return reset_cause; +} + #if defined(CONFIG_MX53) || defined(CONFIG_MX6) #if defined(CONFIG_MX53) #define MEMCTL_BASE ESDCTL_BASE_ADDR diff --git a/arch/arm/include/asm/arch-imx/cpu.h b/arch/arm/include/asm/arch-imx/cpu.h index 254136e..4715f4e 100644 --- a/arch/arm/include/asm/arch-imx/cpu.h +++ b/arch/arm/include/asm/arch-imx/cpu.h @@ -17,3 +17,5 @@ #define CS0_64M_CS1_64M 1 #define CS0_64M_CS1_32M_CS2_32M 2 #define CS0_32M_CS1_32M_CS2_32M_CS3_32M 3 + +u32 get_imx_reset_cause(void); diff --git a/arch/arm/include/asm/arch-mx6/crm_regs.h b/arch/arm/include/asm/arch-mx6/crm_regs.h index 39f3c07..0592ce0 100644 --- a/arch/arm/include/asm/arch-mx6/crm_regs.h +++ b/arch/arm/include/asm/arch-mx6/crm_regs.h @@ -1063,4 +1063,6 @@ struct mxc_ccm_reg { #define BF_ANADIG_PFD_528_PFD0_FRAC(v) \ (((v) << 0) & BM_ANADIG_PFD_528_PFD0_FRAC) +#define BM_ANADIG_ANA_MISC0_REFTOP_SELBIASOFF 0x00000008 + #endif /*__ARCH_ARM_MACH_MX6_CCM_REGS_H__ */ diff --git a/arch/arm/include/asm/arch-mx6/mx6sl_pins.h b/arch/arm/include/asm/arch-mx6/mx6sl_pins.h index 9ded3d8..6ba1034 100644 --- a/arch/arm/include/asm/arch-mx6/mx6sl_pins.h +++ b/arch/arm/include/asm/arch-mx6/mx6sl_pins.h @@ -31,7 +31,12 @@ enum { MX6_PAD_SD2_DAT1__USDHC2_DAT1 = IOMUX_PAD(0x0568, 0x0260, 0, 0x0000, 0, 0), MX6_PAD_SD2_DAT2__USDHC2_DAT2 = IOMUX_PAD(0x056C, 0x0264, 0, 0x0000, 0, 0), MX6_PAD_SD2_DAT3__USDHC2_DAT3 = IOMUX_PAD(0x0570, 0x0268, 0, 0x0000, 0, 0), + MX6_PAD_SD2_DAT4__USDHC2_DAT4 = IOMUX_PAD(0X0574, 0X026C, 0, 0X0000, 0, 0), + MX6_PAD_SD2_DAT5__USDHC2_DAT5 = IOMUX_PAD(0X0578, 0X0270, 0, 0X0000, 0, 0), + MX6_PAD_SD2_DAT6__USDHC2_DAT6 = IOMUX_PAD(0X057C, 0X0274, 0, 0X0000, 0, 0), + MX6_PAD_SD2_DAT7__USDHC2_DAT7 = IOMUX_PAD(0X0580, 0X0278, 0, 0X0000, 0, 0), MX6_PAD_SD2_DAT7__GPIO_5_0 = IOMUX_PAD(0x0580, 0x0278, 5, 0x0000, 0, 0), + MX6_PAD_SD2_RST__USDHC2_RST = IOMUX_PAD(0x0584, 0x027C, 0, 0x0000, 0, 0), MX6_PAD_SD3_CLK__USDHC3_CLK = IOMUX_PAD(0x0588, 0x0280, 0, 0x0000, 0, 0), MX6_PAD_SD3_CMD__USDHC3_CMD = IOMUX_PAD(0x058C, 0x0284, 0, 0x0000, 0, 0), MX6_PAD_SD3_DAT0__USDHC3_DAT0 = IOMUX_PAD(0x0590, 0x0288, 0, 0x0000, 0, 0), @@ -58,5 +63,10 @@ enum { MX6_PAD_KEY_COL4__USB_USBOTG1_PWR = IOMUX_PAD(0x0484, 0x017C, 6, 0x0000, 0, 0), MX6_PAD_KEY_COL5__USB_USBOTG2_PWR = IOMUX_PAD(0x0488, 0x0180, 6, 0x0000, 0, 0), + + MX6_PAD_I2C1_SDA__I2C1_SDA = IOMUX_PAD(0x0450, 0x0160, 0x10, 0x0720, 2, 0), + MX6_PAD_I2C1_SDA__GPIO_3_13 = IOMUX_PAD(0x0450, 0x0160, 5, 0x0000, 0, 0), + MX6_PAD_I2C1_SCL__I2C1_SCL = IOMUX_PAD(0x044C, 0x015C, 0x10, 0x071C, 2, 0), + MX6_PAD_I2C1_SCL__GPIO_3_12 = IOMUX_PAD(0x044C, 0x015C, 5, 0x0000, 0, 0), }; #endif /* __ASM_ARCH_MX6_MX6SL_PINS_H__ */ |