ARM: i.MX: Add i.MX7 base architecture support
Signed-off-by Juergen Borleis <jbe@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
parent
043bc98c4b
commit
ea55770308
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@ -20,6 +20,7 @@ The Internal Boot Mode is supported on:
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* i.MX51
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* i.MX53
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* i.MX6
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* i.MX7
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With the Internal Boot Mode, the images contain a header which describes
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where the binary shall be loaded and started. These headers also contain
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@ -157,6 +157,10 @@ config ARCH_IMX6UL
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bool
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select ARCH_IMX6
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config ARCH_IMX7
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bool
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select CPU_V7
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config ARCH_VF610
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bool
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select ARCH_HAS_L2X0
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@ -13,6 +13,7 @@ obj-$(CONFIG_ARCH_IMX53) += imx53.o imx5.o esdctl-v4.o
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pbl-$(CONFIG_ARCH_IMX53) += imx53.o imx5.o esdctl-v4.o
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obj-$(CONFIG_ARCH_IMX6) += imx6.o usb-imx6.o
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lwl-$(CONFIG_ARCH_IMX6) += imx6-mmdc.o
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obj-$(CONFIG_ARCH_IMX7) += imx7.o
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obj-$(CONFIG_ARCH_IMX_XLOAD) += xload.o
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obj-$(CONFIG_IMX_IIM) += iim.o
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obj-$(CONFIG_IMX_OCOTP) += ocotp.o
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@ -25,6 +25,7 @@
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#include <mach/imx51-regs.h>
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#include <mach/imx53-regs.h>
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#include <mach/imx6-regs.h>
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#include <mach/imx7-regs.h>
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/* [CTRL][TYPE] */
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static const enum bootsource locations[4][4] = {
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@ -346,3 +347,72 @@ void imx6_boot_save_loc(void)
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bootsource_set(src);
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bootsource_set_instance(instance);
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}
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#define IMX7_SRC_SBMR1 0x58
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#define IMX7_SRC_SBMR2 0x70
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void imx7_get_boot_source(enum bootsource *src, int *instance)
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{
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void __iomem *src_base = IOMEM(MX7_SRC_BASE_ADDR);
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uint32_t sbmr1 = readl(src_base + IMX7_SRC_SBMR1);
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uint32_t sbmr2 = readl(src_base + IMX7_SRC_SBMR2);
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int boot_mode;
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/* BMOD[1:0] */
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boot_mode = (sbmr2 >> 24) & 0x3;
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switch (boot_mode) {
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case 0: /* Fuses, fall through */
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case 2: /* internal boot */
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goto internal_boot;
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case 1: /* Serial Downloader */
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*src = BOOTSOURCE_SERIAL;
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break;
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case 3: /* reserved */
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break;
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};
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return;
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internal_boot:
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switch ((sbmr1 >> 12) & 0xf) {
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case 1:
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case 2:
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*src = BOOTSOURCE_MMC;
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*instance = (sbmr1 >> 10 & 0x3);
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break;
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case 3:
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*src = BOOTSOURCE_NAND;
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break;
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case 4:
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*src = BOOTSOURCE_SPI_NOR,
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*instance = (sbmr1 >> 9 & 0x7);
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break;
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case 6:
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*src = BOOTSOURCE_SPI; /* Really: qspi */
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break;
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case 5:
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*src = BOOTSOURCE_NOR;
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break;
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default:
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break;
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}
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/* BOOT_CFG1[7:0] */
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if (sbmr1 & (1 << 7))
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*src = BOOTSOURCE_NAND;
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return;
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}
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void imx7_boot_save_loc(void)
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{
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enum bootsource src = BOOTSOURCE_UNKNOWN;
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int instance = BOOTSOURCE_INSTANCE_UNKNOWN;
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imx7_get_boot_source(&src, &instance);
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bootsource_set(src);
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bootsource_set_instance(instance);
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}
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@ -34,6 +34,11 @@ void imx6_cpu_lowlevel_init(void)
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enable_arm_errata_845369_war();
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}
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void imx7_cpu_lowlevel_init(void)
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{
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arm_cpu_lowlevel_init();
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}
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void vf610_cpu_lowlevel_init(void)
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{
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arm_cpu_lowlevel_init();
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@ -65,6 +65,10 @@ static int imx_soc_from_dt(void)
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return IMX_CPU_IMX6;
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if (of_machine_is_compatible("fsl,imx6ul"))
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return IMX_CPU_IMX6;
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if (of_machine_is_compatible("fsl,imx7s"))
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return IMX_CPU_IMX7;
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if (of_machine_is_compatible("fsl,imx7d"))
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return IMX_CPU_IMX7;
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if (of_machine_is_compatible("fsl,vf610"))
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return IMX_CPU_VF610;
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@ -103,6 +107,8 @@ static int imx_init(void)
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ret = imx53_init();
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else if (cpu_is_mx6())
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ret = imx6_init();
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else if (cpu_is_mx7())
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ret = imx7_init();
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else if (cpu_is_vf610())
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ret = 0;
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else
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@ -0,0 +1,75 @@
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/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <init.h>
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#include <common.h>
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#include <io.h>
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#include <linux/sizes.h>
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#include <mach/imx7.h>
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#include <mach/generic.h>
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#include <mach/revision.h>
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#include <mach/imx7-regs.h>
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void imx7_init_lowlevel(void)
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{
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void __iomem *aips1 = IOMEM(MX7_AIPS1_CONFIG_BASE_ADDR);
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void __iomem *aips2 = IOMEM(MX7_AIPS2_CONFIG_BASE_ADDR);
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/*
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* Set all MPROTx to be non-bufferable, trusted for R/W,
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* not forced to user-mode.
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*/
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writel(0x77777777, aips1);
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writel(0x77777777, aips1 + 0x4);
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writel(0, aips1 + 0x40);
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writel(0, aips1 + 0x44);
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writel(0, aips1 + 0x48);
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writel(0, aips1 + 0x4c);
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writel(0, aips1 + 0x50);
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writel(0x77777777, aips2);
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writel(0x77777777, aips2 + 0x4);
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writel(0, aips2 + 0x40);
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writel(0, aips2 + 0x44);
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writel(0, aips2 + 0x48);
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writel(0, aips2 + 0x4c);
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writel(0, aips2 + 0x50);
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}
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int imx7_init(void)
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{
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const char *cputypestr;
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u32 imx7_silicon_revision;
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imx7_init_lowlevel();
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imx7_boot_save_loc();
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imx7_silicon_revision = imx7_cpu_revision();
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switch (imx7_cpu_type()) {
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case IMX7_CPUTYPE_IMX7D:
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cputypestr = "i.MX7d";
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break;
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case IMX7_CPUTYPE_IMX7S:
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cputypestr = "i.MX7s";
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break;
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default:
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cputypestr = "unknown i.MX7";
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break;
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}
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imx_set_silicon_revision(cputypestr, imx7_silicon_revision);
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return 0;
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}
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@ -14,6 +14,7 @@
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#include <mach/imx51-regs.h>
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#include <mach/imx53-regs.h>
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#include <mach/imx6-regs.h>
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#include <mach/imx7-regs.h>
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#include <mach/vf610-regs.h>
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#include <serial/imx-uart.h>
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@ -44,6 +45,8 @@
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#define IMX_DEBUG_SOC MX53
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#elif defined CONFIG_DEBUG_IMX6Q_UART
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#define IMX_DEBUG_SOC MX6
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#elif defined CONFIG_DEBUG_IMX7D_UART
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#define IMX_DEBUG_SOC MX7
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#elif defined CONFIG_DEBUG_VF610_UART
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#define IMX_DEBUG_SOC VF610
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#else
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@ -14,12 +14,14 @@ void imx27_boot_save_loc(void);
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void imx51_boot_save_loc(void);
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void imx53_boot_save_loc(void);
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void imx6_boot_save_loc(void);
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void imx7_boot_save_loc(void);
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void imx25_get_boot_source(enum bootsource *src, int *instance);
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void imx35_get_boot_source(enum bootsource *src, int *instance);
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void imx51_get_boot_source(enum bootsource *src, int *instance);
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void imx53_get_boot_source(enum bootsource *src, int *instance);
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void imx6_get_boot_source(enum bootsource *src, int *instance);
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void imx7_get_boot_source(enum bootsource *src, int *instance);
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int imx1_init(void);
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int imx21_init(void);
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int imx51_init(void);
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int imx53_init(void);
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int imx6_init(void);
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int imx7_init(void);
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int imx1_devices_init(void);
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int imx21_devices_init(void);
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void imx5_cpu_lowlevel_init(void);
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void imx6_cpu_lowlevel_init(void);
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void imx7_cpu_lowlevel_init(void);
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void vf610_cpu_lowlevel_init(void);
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/* There's a off-by-one betweem the gpio bank number and the gpiochip */
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@ -174,6 +178,18 @@ extern unsigned int __imx_cpu_type;
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# define cpu_is_mx6() (0)
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#endif
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#ifdef CONFIG_ARCH_IMX7
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# ifdef imx_cpu_type
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# undef imx_cpu_type
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# define imx_cpu_type __imx_cpu_type
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# else
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# define imx_cpu_type IMX_CPU_IMX7
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# endif
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# define cpu_is_mx7() (imx_cpu_type == IMX_CPU_IMX7)
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#else
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# define cpu_is_mx7() (0)
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#endif
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#ifdef CONFIG_ARCH_VF610
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# ifdef imx_cpu_type
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# undef imx_cpu_type
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@ -0,0 +1,24 @@
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#ifndef __MACH_IMX7_REGS_H
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#define __MACH_IMX7_REGS_H
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#define MX7_AIPS1_BASE_ADDR 0x30000000
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#define MX7_AIPS2_BASE_ADDR 0x30400000
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#define MX7_AIPS3_BASE_ADDR 0x30800000
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#define MX7_AIPS1_CONFIG_BASE_ADDR 0x301f0000
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#define MX7_IOMUX_BASE_ADDR 0x30330000
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#define MX7_OCOTP_BASE_ADDR 0x30350000
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#define MX7_ANATOP_BASE_ADDR 0x30360000
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#define MX7_CCM_BASE_ADDR 0x30380000
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#define MX7_SRC_BASE_ADDR 0x30390000
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#define MX7_SCTR_BASE_ADDR 0x306c0000
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#define MX7_UART1_BASE_ADDR 0x30860000
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#define MX7_UART2_BASE_ADDR 0x30870000
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#define MX7_UART3_BASE_ADDR 0x30880000
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#define MX7_UART4_BASE_ADDR 0x30a60000
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#define MX7_UART5_BASE_ADDR 0x30a70000
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#define MX7_UART6_BASE_ADDR 0x30a80000
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#define MX7_UART7_BASE_ADDR 0x30a90000
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#define MX7_AIPS2_CONFIG_BASE_ADDR 0x305f0000
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#endif /* __MACH_IMX7_REGS_H */
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@ -0,0 +1,59 @@
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#ifndef __MACH_IMX7_H
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#define __MACH_IMX7_H
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#include <io.h>
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#include <mach/generic.h>
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#include <mach/imx7-regs.h>
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#include <mach/revision.h>
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void imx7_init_lowlevel(void);
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#define ANADIG_DIGPROG_IMX7 0x800
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#define IMX7_CPUTYPE_IMX7S 0x71
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#define IMX7_CPUTYPE_IMX7D 0x72
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static inline int __imx7_cpu_type(void)
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{
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void __iomem *ocotp = IOMEM(MX7_OCOTP_BASE_ADDR);
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if (readl(ocotp + 0x450) & 1)
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return IMX7_CPUTYPE_IMX7S;
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else
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return IMX7_CPUTYPE_IMX7D;
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}
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static inline int imx7_cpu_type(void)
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{
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if (!cpu_is_mx7())
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return 0;
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return __imx7_cpu_type();
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}
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static inline int imx7_cpu_revision(void)
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{
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if (!cpu_is_mx7())
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return IMX_CHIP_REV_UNKNOWN;
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/* register value has the format of the IMX_CHIP_REV_* macros */
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return readl(MX7_ANATOP_BASE_ADDR + ANADIG_DIGPROG_IMX7) & 0xff;
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}
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#define DEFINE_MX7_CPU_TYPE(str, type) \
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static inline int cpu_mx7_is_##str(void) \
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{ \
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return __imx7_cpu_type() == type; \
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} \
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\
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static inline int cpu_is_##str(void) \
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{ \
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if (!cpu_is_mx7()) \
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return 0; \
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return cpu_mx7_is_##str(); \
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}
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DEFINE_MX7_CPU_TYPE(mx7s, IMX7_CPUTYPE_IMX7S);
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DEFINE_MX7_CPU_TYPE(mx7d, IMX7_CPUTYPE_IMX7D);
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#endif /* __MACH_IMX7_H */
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@ -11,6 +11,7 @@
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#define IMX_CPU_IMX51 51
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#define IMX_CPU_IMX53 53
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#define IMX_CPU_IMX6 6
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#define IMX_CPU_IMX7 7
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#define IMX_CPU_VF610 610
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#endif /* __MACH_IMX_CPU_TYPES_H */
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@ -1072,6 +1072,13 @@ config DEBUG_IMX6Q_UART
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Say Y here if you want kernel low-level debugging support
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on i.MX6Q.
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config DEBUG_IMX7D_UART
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bool "i.MX7D Debug UART"
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depends on ARCH_IMX7
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help
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Say Y here if you want barebox low-level debugging support
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on i.MX7D.
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config DEBUG_VF610_UART
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bool "VF610 Debug UART"
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depends on ARCH_VF610
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@ -1120,6 +1127,7 @@ config DEBUG_IMX_UART_PORT
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DEBUG_IMX53_UART || \
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DEBUG_IMX6Q_UART || \
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DEBUG_IMX6SL_UART || \
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DEBUG_IMX7D_UART || \
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DEBUG_VF610_UART
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default 1
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depends on ARCH_IMX
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@ -175,6 +175,11 @@ static inline void imx6_uart_setup(void __iomem *uartbase)
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imx_uart_setup(uartbase, 80000000);
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}
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static inline void imx7_uart_setup(void __iomem *uartbase)
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{
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imx_uart_setup(uartbase, 24000000);
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}
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static inline void imx_uart_putc(void *base, int c)
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{
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if (!(readl(base + UCR1) & UCR1_UARTEN))
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@ -231,6 +231,7 @@ static struct soc_type socs[] = {
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{ .name = "imx51", .header_version = 1, .cpu_type = IMX_CPU_IMX51 },
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{ .name = "imx53", .header_version = 2, .cpu_type = IMX_CPU_IMX53 },
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{ .name = "imx6", .header_version = 2, .cpu_type = IMX_CPU_IMX6 },
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{ .name = "imx7", .header_version = 2, .cpu_type = IMX_CPU_IMX7 },
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{ .name = "vf610", .header_version = 2, .cpu_type = IMX_CPU_VF610 },
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};
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