diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/cpu/arm926ejs/mx27/Makefile | 4 | ||||
-rw-r--r-- | arch/arm/cpu/arm926ejs/mx27/relocate.S | 51 | ||||
-rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/mxsimage-signed.cfg | 1 | ||||
-rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/mxsimage.mx23.cfg | 1 | ||||
-rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/mxsimage.mx28.cfg | 1 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/mx5/soc.c | 31 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/mx6/clock.c | 38 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/mx6/soc.c | 15 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/omap-common/sata.c | 5 | ||||
-rw-r--r-- | arch/arm/imx-common/cpu.c | 60 | ||||
-rw-r--r-- | arch/arm/imx-common/spl_sd.cfg | 8 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-imx/cpu.h | 5 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-mx5/imx-regs.h | 12 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-mx6/clock.h | 2 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-mx6/imx-regs.h | 37 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-mx6/sys_proto.h | 1 | ||||
-rw-r--r-- | arch/arm/lib/crt0.S | 5 | ||||
-rw-r--r-- | arch/arm/lib/relocate.S | 73 |
18 files changed, 277 insertions, 73 deletions
diff --git a/arch/arm/cpu/arm926ejs/mx27/Makefile b/arch/arm/cpu/arm926ejs/mx27/Makefile index 4976bbb..0edf144 100644 --- a/arch/arm/cpu/arm926ejs/mx27/Makefile +++ b/arch/arm/cpu/arm926ejs/mx27/Makefile @@ -5,3 +5,7 @@ # SPDX-License-Identifier: GPL-2.0+ obj-y = generic.o reset.o timer.o + +ifndef CONFIG_SPL_BUILD +obj-y += relocate.o +endif diff --git a/arch/arm/cpu/arm926ejs/mx27/relocate.S b/arch/arm/cpu/arm926ejs/mx27/relocate.S new file mode 100644 index 0000000..0c4b272 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/mx27/relocate.S @@ -0,0 +1,51 @@ +/* + * relocate - i.MX27-specific vector relocation + * + * Copyright (c) 2013 Albert ARIBAUD <albert.u.boot@aribaud.net> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm-offsets.h> +#include <config.h> +#include <linux/linkage.h> + +/* + * The i.MX27 SoC is very specific with respect to exceptions: it + * does not provide RAM at the high vectors address (0xFFFF0000), + * thus only the low address (0x00000000) is useable; but that is + * in ROM. Therefore, vectors cannot be changed at all. + * + * However, these ROM-based vectors actually just perform indirect + * calls through pointers located in RAM at SoC-specific addresses, + * as follows: + * + * Offset Exception Use by ROM code + * 0x00000000 reset indirect branch to [0x00000014] + * 0x00000004 undefined instruction indirect branch to [0xfffffef0] + * 0x00000008 software interrupt indirect branch to [0xfffffef4] + * 0x0000000c prefetch abort indirect branch to [0xfffffef8] + * 0x00000010 data abort indirect branch to [0xfffffefc] + * 0x00000014 (reserved in ARMv5) vector to ROM reset: 0xc0000000 + * 0x00000018 IRQ indirect branch to [0xffffff00] + * 0x0000001c FIQ indirect branch to [0xffffff04] + * + * In order to initialize exceptions on i.MX27, we must copy U-Boot's + * indirect (not exception!) vector table into 0xfffffef0..0xffffff04 + * taking care not to copy vectors number 5 (reserved exception). + */ + + .section .text.relocate_vectors,"ax",%progbits + +ENTRY(relocate_vectors) + + ldr r0, [r9, #GD_RELOCADDR] /* r0 = gd->relocaddr */ + ldr r1, =32 /* size of vector table */ + add r0, r0, r1 /* skip to indirect table */ + ldr r1, =0xFFFFFEF0 /* i.MX27 indirect table */ + ldmia r0!, {r2-r8} /* load indirect vectors 1..7 */ + stmia r1!, {r2-r5, r7,r8} /* write all but vector 5 */ + + bx lr + +ENDPROC(relocate_vectors) diff --git a/arch/arm/cpu/arm926ejs/mxs/mxsimage-signed.cfg b/arch/arm/cpu/arm926ejs/mxs/mxsimage-signed.cfg index 1520bba..83953da 100644 --- a/arch/arm/cpu/arm926ejs/mxs/mxsimage-signed.cfg +++ b/arch/arm/cpu/arm926ejs/mxs/mxsimage-signed.cfg @@ -1,3 +1,4 @@ +DISPLAYPROGRESS SECTION 0x0 BOOTABLE TAG LAST LOAD 0x1000 spl/u-boot-spl.bin diff --git a/arch/arm/cpu/arm926ejs/mxs/mxsimage.mx23.cfg b/arch/arm/cpu/arm926ejs/mxs/mxsimage.mx23.cfg index 55510e9..e702809 100644 --- a/arch/arm/cpu/arm926ejs/mxs/mxsimage.mx23.cfg +++ b/arch/arm/cpu/arm926ejs/mxs/mxsimage.mx23.cfg @@ -1,3 +1,4 @@ +DISPLAYPROGRESS SECTION 0x0 BOOTABLE TAG LAST LOAD 0x1000 spl/u-boot-spl.bin diff --git a/arch/arm/cpu/arm926ejs/mxs/mxsimage.mx28.cfg b/arch/arm/cpu/arm926ejs/mxs/mxsimage.mx28.cfg index bb78cb0..3f7bf59 100644 --- a/arch/arm/cpu/arm926ejs/mxs/mxsimage.mx28.cfg +++ b/arch/arm/cpu/arm926ejs/mxs/mxsimage.mx28.cfg @@ -1,3 +1,4 @@ +DISPLAYPROGRESS SECTION 0x0 BOOTABLE TAG LAST LOAD 0x1000 spl/u-boot-spl.bin diff --git a/arch/arm/cpu/armv7/mx5/soc.c b/arch/arm/cpu/armv7/mx5/soc.c index 2d53669..3753c14 100644 --- a/arch/arm/cpu/armv7/mx5/soc.c +++ b/arch/arm/cpu/armv7/mx5/soc.c @@ -85,37 +85,6 @@ void imx_get_mac_from_fuse(int dev_id, unsigned char *mac) } #endif -void set_chipselect_size(int const cs_size) -{ - unsigned int reg; - struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; - reg = readl(&iomuxc_regs->gpr1); - - switch (cs_size) { - case CS0_128: - reg &= ~0x7; /* CS0=128MB, CS1=0, CS2=0, CS3=0 */ - reg |= 0x5; - break; - case CS0_64M_CS1_64M: - reg &= ~0x3F; /* CS0=64MB, CS1=64MB, CS2=0, CS3=0 */ - reg |= 0x1B; - break; - case CS0_64M_CS1_32M_CS2_32M: - reg &= ~0x1FF; /* CS0=64MB, CS1=32MB, CS2=32MB, CS3=0 */ - reg |= 0x4B; - break; - case CS0_32M_CS1_32M_CS2_32M_CS3_32M: - reg &= ~0xFFF; /* CS0=32MB, CS1=32MB, CS2=32MB, CS3=32MB */ - reg |= 0x249; - break; - default: - printf("Unknown chip select size: %d\n", cs_size); - break; - } - - writel(reg, &iomuxc_regs->gpr1); -} - #ifdef CONFIG_MX53 void boot_mode_apply(unsigned cfg_val) { diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c index 6c9c78c..ab7ac3d 100644 --- a/arch/arm/cpu/armv7/mx6/clock.c +++ b/arch/arm/cpu/armv7/mx6/clock.c @@ -596,6 +596,14 @@ int enable_sata_clock(void) ungate_sata_clock(); return enable_enet_pll(BM_ANADIG_PLL_ENET_ENABLE_SATA); } + +void disable_sata_clock(void) +{ + struct mxc_ccm_reg *const imx_ccm = + (struct mxc_ccm_reg *)CCM_BASE_ADDR; + + clrbits_le32(&imx_ccm->CCGR5, MXC_CCM_CCGR5_SATA_MASK); +} #endif int enable_pcie_clock(void) @@ -673,6 +681,36 @@ void hab_caam_clock_enable(unsigned char enable) } #endif +static void enable_pll3(void) +{ + struct anatop_regs __iomem *anatop = + (struct anatop_regs __iomem *)ANATOP_BASE_ADDR; + + /* make sure pll3 is enabled */ + if ((readl(&anatop->usb1_pll_480_ctrl) & + BM_ANADIG_USB1_PLL_480_CTRL_LOCK) == 0) { + /* enable pll's power */ + writel(BM_ANADIG_USB1_PLL_480_CTRL_POWER, + &anatop->usb1_pll_480_ctrl_set); + writel(0x80, &anatop->ana_misc2_clr); + /* wait for pll lock */ + while ((readl(&anatop->usb1_pll_480_ctrl) & + BM_ANADIG_USB1_PLL_480_CTRL_LOCK) == 0) + ; + /* disable bypass */ + writel(BM_ANADIG_USB1_PLL_480_CTRL_BYPASS, + &anatop->usb1_pll_480_ctrl_clr); + /* enable pll output */ + writel(BM_ANADIG_USB1_PLL_480_CTRL_ENABLE, + &anatop->usb1_pll_480_ctrl_set); + } +} + +void enable_thermal_clk(void) +{ + enable_pll3(); +} + unsigned int mxc_get_clock(enum mxc_clock clk) { switch (clk) { diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index 5fd2a63..5f5f497 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -22,6 +22,8 @@ #include <asm/arch/mxc_hdmi.h> #include <asm/arch/crm_regs.h> #include <asm/bootm.h> +#include <dm.h> +#include <imx_thermal.h> enum ldo_reg { LDO_ARM, @@ -37,6 +39,19 @@ struct scu_regs { u32 fpga_rev; }; +#if defined(CONFIG_IMX6_THERMAL) +static const struct imx_thermal_plat imx6_thermal_plat = { + .regs = (void *)ANATOP_BASE_ADDR, + .fuse_bank = 1, + .fuse_word = 6, +}; + +U_BOOT_DEVICE(imx6_thermal) = { + .name = "imx_thermal", + .platdata = &imx6_thermal_plat, +}; +#endif + u32 get_nr_cpus(void) { struct scu_regs *scu = (struct scu_regs *)SCU_BASE_ADDR; diff --git a/arch/arm/cpu/armv7/omap-common/sata.c b/arch/arm/cpu/armv7/omap-common/sata.c index 3b4dd3f..a24baa1 100644 --- a/arch/arm/cpu/armv7/omap-common/sata.c +++ b/arch/arm/cpu/armv7/omap-common/sata.c @@ -74,6 +74,11 @@ int init_sata(int dev) return ret; } +int reset_sata(int dev) +{ + return 0; +} + /* On OMAP platforms SATA provides the SCSI subsystem */ void scsi_init(void) { diff --git a/arch/arm/imx-common/cpu.c b/arch/arm/imx-common/cpu.c index 09fc227..b58df7d 100644 --- a/arch/arm/imx-common/cpu.c +++ b/arch/arm/imx-common/cpu.c @@ -17,6 +17,8 @@ #include <asm/arch/sys_proto.h> #include <asm/arch/crm_regs.h> #include <ipu_pixfmt.h> +#include <thermal.h> +#include <sata.h> #ifdef CONFIG_FSL_ESDHC #include <fsl_esdhc.h> @@ -134,6 +136,11 @@ int print_cpuinfo(void) { u32 cpurev; +#if defined(CONFIG_MX6) && defined(CONFIG_IMX6_THERMAL) + struct udevice *thermal_dev; + int cpu_tmp, ret; +#endif + cpurev = get_cpu_rev(); printf("CPU: Freescale i.MX%s rev%d.%d at %d MHz\n", @@ -141,6 +148,21 @@ int print_cpuinfo(void) (cpurev & 0x000F0) >> 4, (cpurev & 0x0000F) >> 0, mxc_get_clock(MXC_ARM_CLK) / 1000000); + +#if defined(CONFIG_MX6) && defined(CONFIG_IMX6_THERMAL) + ret = uclass_get_device(UCLASS_THERMAL, 0, &thermal_dev); + if (!ret) { + ret = thermal_get_temp(thermal_dev, &cpu_tmp); + + if (!ret) + printf("CPU: Temperature %d C\n", cpu_tmp); + else + printf("CPU: Temperature: invalid sensor data\n"); + } else { + printf("CPU: Temperature: Can't find sensor device\n"); + } +#endif + printf("Reset cause: %s\n", get_reset_cause()); return 0; } @@ -180,10 +202,44 @@ u32 get_ahb_clk(void) return get_periph_clk() / (ahb_podf + 1); } -#if defined(CONFIG_VIDEO_IPUV3) void arch_preboot_os(void) { +#if defined(CONFIG_CMD_SATA) + sata_stop(); +#endif +#if defined(CONFIG_VIDEO_IPUV3) /* disable video before launching O/S */ ipuv3_fb_shutdown(); -} #endif +} + +void set_chipselect_size(int const cs_size) +{ + unsigned int reg; + struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; + reg = readl(&iomuxc_regs->gpr[1]); + + switch (cs_size) { + case CS0_128: + reg &= ~0x7; /* CS0=128MB, CS1=0, CS2=0, CS3=0 */ + reg |= 0x5; + break; + case CS0_64M_CS1_64M: + reg &= ~0x3F; /* CS0=64MB, CS1=64MB, CS2=0, CS3=0 */ + reg |= 0x1B; + break; + case CS0_64M_CS1_32M_CS2_32M: + reg &= ~0x1FF; /* CS0=64MB, CS1=32MB, CS2=32MB, CS3=0 */ + reg |= 0x4B; + break; + case CS0_32M_CS1_32M_CS2_32M_CS3_32M: + reg &= ~0xFFF; /* CS0=32MB, CS1=32MB, CS2=32MB, CS3=32MB */ + reg |= 0x249; + break; + default: + printf("Unknown chip select size: %d\n", cs_size); + break; + } + + writel(reg, &iomuxc_regs->gpr[1]); +} diff --git a/arch/arm/imx-common/spl_sd.cfg b/arch/arm/imx-common/spl_sd.cfg new file mode 100644 index 0000000..5fc3e8a --- /dev/null +++ b/arch/arm/imx-common/spl_sd.cfg @@ -0,0 +1,8 @@ +/* + * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/ + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +IMAGE_VERSION 2 +BOOT_FROM sd diff --git a/arch/arm/include/asm/arch-imx/cpu.h b/arch/arm/include/asm/arch-imx/cpu.h index a3cc96f..254136e 100644 --- a/arch/arm/include/asm/arch-imx/cpu.h +++ b/arch/arm/include/asm/arch-imx/cpu.h @@ -12,3 +12,8 @@ #define MXC_CPU_MX6Q 0x63 #define MXC_CPU_MX6D 0x64 #define MXC_CPU_MX6SOLO 0x65 /* dummy ID */ + +#define CS0_128 0 +#define CS0_64M_CS1_64M 1 +#define CS0_64M_CS1_32M_CS2_32M 2 +#define CS0_32M_CS1_32M_CS2_32M_CS3_32M 3 diff --git a/arch/arm/include/asm/arch-mx5/imx-regs.h b/arch/arm/include/asm/arch-mx5/imx-regs.h index 054c680..f059d0f 100644 --- a/arch/arm/include/asm/arch-mx5/imx-regs.h +++ b/arch/arm/include/asm/arch-mx5/imx-regs.h @@ -202,11 +202,6 @@ */ #define WBED 1 -#define CS0_128 0 -#define CS0_64M_CS1_64M 1 -#define CS0_64M_CS1_32M_CS2_32M 2 -#define CS0_32M_CS1_32M_CS2_32M_CS3_32M 3 - /* * CSPI register definitions */ @@ -414,8 +409,7 @@ struct weim { #if defined(CONFIG_MX51) struct iomuxc { - u32 gpr0; - u32 gpr1; + u32 gpr[2]; u32 omux0; u32 omux1; u32 omux2; @@ -424,9 +418,7 @@ struct iomuxc { }; #elif defined(CONFIG_MX53) struct iomuxc { - u32 gpr0; - u32 gpr1; - u32 gpr2; + u32 gpr[3]; u32 omux0; u32 omux1; u32 omux2; diff --git a/arch/arm/include/asm/arch-mx6/clock.h b/arch/arm/include/asm/arch-mx6/clock.h index 3c58a0a..323805c 100644 --- a/arch/arm/include/asm/arch-mx6/clock.h +++ b/arch/arm/include/asm/arch-mx6/clock.h @@ -60,10 +60,12 @@ void enable_uart_clk(unsigned char enable); int enable_cspi_clock(unsigned char enable, unsigned spi_num); int enable_usdhc_clk(unsigned char enable, unsigned bus_num); int enable_sata_clock(void); +void disable_sata_clock(void); int enable_pcie_clock(void); int enable_i2c_clk(unsigned char enable, unsigned i2c_num); int enable_spi_clk(unsigned char enable, unsigned spi_num); void enable_ipu_clock(void); int enable_fec_anatop_clock(enum enet_freq freq); void enable_enet_clk(unsigned char enable); +void enable_thermal_clk(void); #endif /* __ASM_ARCH_CLOCK_H */ diff --git a/arch/arm/include/asm/arch-mx6/imx-regs.h b/arch/arm/include/asm/arch-mx6/imx-regs.h index a159309..5314298 100644 --- a/arch/arm/include/asm/arch-mx6/imx-regs.h +++ b/arch/arm/include/asm/arch-mx6/imx-regs.h @@ -332,6 +332,43 @@ extern void imx_get_mac_from_fuse(int dev_id, unsigned char *mac); #define SRC_SCR_CORE_3_ENABLE_OFFSET 24 #define SRC_SCR_CORE_3_ENABLE_MASK (1<<SRC_SCR_CORE_3_ENABLE_OFFSET) +/* WEIM registers */ +struct weim { + u32 cs0gcr1; + u32 cs0gcr2; + u32 cs0rcr1; + u32 cs0rcr2; + u32 cs0wcr1; + u32 cs0wcr2; + + u32 cs1gcr1; + u32 cs1gcr2; + u32 cs1rcr1; + u32 cs1rcr2; + u32 cs1wcr1; + u32 cs1wcr2; + + u32 cs2gcr1; + u32 cs2gcr2; + u32 cs2rcr1; + u32 cs2rcr2; + u32 cs2wcr1; + u32 cs2wcr2; + + u32 cs3gcr1; + u32 cs3gcr2; + u32 cs3rcr1; + u32 cs3rcr2; + u32 cs3wcr1; + u32 cs3wcr2; + + u32 unused[12]; + + u32 wcr; + u32 wiar; + u32 ear; +}; + /* System Reset Controller (SRC) */ struct src { u32 scr; diff --git a/arch/arm/include/asm/arch-mx6/sys_proto.h b/arch/arm/include/asm/arch-mx6/sys_proto.h index c35a9051..28ba844 100644 --- a/arch/arm/include/asm/arch-mx6/sys_proto.h +++ b/arch/arm/include/asm/arch-mx6/sys_proto.h @@ -26,6 +26,7 @@ u32 get_cpu_rev(void); const char *get_imx_type(u32 imxtype); unsigned imx_ddr_size(void); +void set_chipselect_size(int const); /* * Initializes on-chip ethernet controllers. diff --git a/arch/arm/lib/crt0.S b/arch/arm/lib/crt0.S index 823b233..22df3e5 100644 --- a/arch/arm/lib/crt0.S +++ b/arch/arm/lib/crt0.S @@ -104,6 +104,11 @@ clr_gd: ldr r0, [r9, #GD_RELOCADDR] /* r0 = gd->relocaddr */ b relocate_code here: +/* + * now relocate vectors + */ + + bl relocate_vectors /* Set up final (full) environment */ diff --git a/arch/arm/lib/relocate.S b/arch/arm/lib/relocate.S index b4a258c..92f5314 100644 --- a/arch/arm/lib/relocate.S +++ b/arch/arm/lib/relocate.S @@ -11,6 +11,47 @@ #include <linux/linkage.h> /* + * Default/weak exception vectors relocation routine + * + * This routine covers the standard ARM cases: normal (0x00000000), + * high (0xffff0000) and VBAR. SoCs which do not comply with any of + * the standard cases must provide their own, strong, version. + */ + + .section .text.relocate_vectors,"ax",%progbits + .weak relocate_vectors + +ENTRY(relocate_vectors) + +#ifdef CONFIG_HAS_VBAR + /* + * If the ARM processor has the security extensions, + * use VBAR to relocate the exception vectors. + */ + ldr r0, [r9, #GD_RELOCADDR] /* r0 = gd->relocaddr */ + mcr p15, 0, r0, c12, c0, 0 /* Set VBAR */ +#else + /* + * Copy the relocated exception vectors to the + * correct address + * CP15 c1 V bit gives us the location of the vectors: + * 0x00000000 or 0xFFFF0000. + */ + ldr r0, [r9, #GD_RELOCADDR] /* r0 = gd->relocaddr */ + mrc p15, 0, r2, c1, c0, 0 /* V bit (bit[13]) in CP15 c1 */ + ands r2, r2, #(1 << 13) + ldreq r1, =0x00000000 /* If V=0 */ + ldrne r1, =0xFFFF0000 /* If V=1 */ + ldmia r0!, {r2-r8,r10} + stmia r1!, {r2-r8,r10} + ldmia r0!, {r2-r8,r10} + stmia r1!, {r2-r8,r10} +#endif + bx lr + +ENDPROC(relocate_vectors) + +/* * void relocate_code(addr_moni) * * This function relocates the monitor code. @@ -54,34 +95,6 @@ fixnext: cmp r2, r3 blo fixloop - /* - * Relocate the exception vectors - */ -#ifdef CONFIG_HAS_VBAR - /* - * If the ARM processor has the security extensions, - * use VBAR to relocate the exception vectors. - */ - ldr r0, [r9, #GD_RELOCADDR] /* r0 = gd->relocaddr */ - mcr p15, 0, r0, c12, c0, 0 /* Set VBAR */ -#else - /* - * Copy the relocated exception vectors to the - * correct address - * CP15 c1 V bit gives us the location of the vectors: - * 0x00000000 or 0xFFFF0000. - */ - ldr r0, [r9, #GD_RELOCADDR] /* r0 = gd->relocaddr */ - mrc p15, 0, r2, c1, c0, 0 /* V bit (bit[13]) in CP15 c1 */ - ands r2, r2, #(1 << 13) - ldreq r1, =0x00000000 /* If V=0 */ - ldrne r1, =0xFFFF0000 /* If V=1 */ - ldmia r0!, {r2-r8,r10} - stmia r1!, {r2-r8,r10} - ldmia r0!, {r2-r8,r10} - stmia r1!, {r2-r8,r10} -#endif - relocate_done: #ifdef __XSCALE__ @@ -96,9 +109,9 @@ relocate_done: /* ARMv4- don't know bx lr but the assembler fails to see that */ #ifdef __ARM_ARCH_4__ - mov pc, lr + mov pc, lr #else - bx lr + bx lr #endif ENDPROC(relocate_code) |