*
* (C) Copyright 2009 Freescale Semiconductor, Inc.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
+#include <bootm.h>
#include <common.h>
+#include <netdev.h>
#include <asm/errno.h>
#include <asm/io.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/clock.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/crm_regs.h>
+#include <imx_thermal.h>
#include <ipu_pixfmt.h>
+#include <thermal.h>
+#include <sata.h>
#ifdef CONFIG_FSL_ESDHC
#include <fsl_esdhc.h>
#endif
-char *get_reset_cause(void)
+#if defined(CONFIG_DISPLAY_CPUINFO)
+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:
}
}
+u32 get_imx_reset_cause(void)
+{
+ return reset_cause;
+}
+#endif
+
+#if defined(CONFIG_SOC_MX53) || defined(CONFIG_SOC_MX6)
+#if defined(CONFIG_SOC_MX53)
+#define MEMCTL_BASE ESDCTL_BASE_ADDR
+#else
+#define MEMCTL_BASE MMDC_P0_BASE_ADDR
+#endif
+static const unsigned char col_lookup[] = {9, 10, 11, 8, 12, 9, 9, 9};
+static const unsigned char bank_lookup[] = {3, 2};
+
+/* these MMDC registers are common to the IMX53 and IMX6 */
+struct esd_mmdc_regs {
+ uint32_t ctl;
+ uint32_t pdc;
+ uint32_t otc;
+ uint32_t cfg0;
+ uint32_t cfg1;
+ uint32_t cfg2;
+ uint32_t misc;
+};
+
+#define ESD_MMDC_CTL_GET_ROW(mdctl) ((ctl >> 24) & 7)
+#define ESD_MMDC_CTL_GET_COLUMN(mdctl) ((ctl >> 20) & 7)
+#define ESD_MMDC_CTL_GET_WIDTH(mdctl) ((ctl >> 16) & 3)
+#define ESD_MMDC_CTL_GET_CS1(mdctl) ((ctl >> 30) & 1)
+#define ESD_MMDC_MISC_GET_BANK(mdmisc) ((misc >> 5) & 1)
+
+/*
+ * imx_ddr_size - return size in bytes of DRAM according MMDC config
+ * The MMDC MDCTL register holds the number of bits for row, col, and data
+ * width and the MMDC MDMISC register holds the number of banks. Combine
+ * all these bits to determine the meme size the MMDC has been configured for
+ */
+unsigned imx_ddr_size(void)
+{
+ struct esd_mmdc_regs *mem = (struct esd_mmdc_regs *)MEMCTL_BASE;
+ unsigned ctl = readl(&mem->ctl);
+ unsigned misc = readl(&mem->misc);
+ int bits = 11 + 0 + 0 + 1; /* row + col + bank + width */
+
+ bits += ESD_MMDC_CTL_GET_ROW(ctl);
+ bits += col_lookup[ESD_MMDC_CTL_GET_COLUMN(ctl)];
+ bits += bank_lookup[ESD_MMDC_MISC_GET_BANK(misc)];
+ bits += ESD_MMDC_CTL_GET_WIDTH(ctl);
+ bits += ESD_MMDC_CTL_GET_CS1(ctl);
+
+ /* The MX6 can do only 3840 MiB of DRAM */
+ if (bits == 32)
+ return 0xf0000000;
+
+ return 1 << bits;
+}
+#endif
+
#if defined(CONFIG_DISPLAY_CPUINFO)
-static const char *get_imx_type(u32 imxtype)
+const char *get_imx_type(u32 imxtype)
{
switch (imxtype) {
- case 0x63:
+ case MXC_CPU_MX6QP:
+ return "6QP"; /* Quad-Plus version of the mx6 */
+ case MXC_CPU_MX6DP:
+ return "6DP"; /* Dual-Plus version of the mx6 */
+ case MXC_CPU_MX6Q:
return "6Q"; /* Quad-core version of the mx6 */
- case 0x61:
- return "6DS"; /* Dual/Solo version of the mx6 */
- case 0x60:
+ case MXC_CPU_MX6D:
+ return "6D"; /* Dual-core version of the mx6 */
+ case MXC_CPU_MX6DL:
+ return "6DL"; /* Dual Lite version of the mx6 */
+ case MXC_CPU_MX6SOLO:
+ return "6SOLO"; /* Solo version of the mx6 */
+ case MXC_CPU_MX6SL:
return "6SL"; /* Solo-Lite version of the mx6 */
- case 0x51:
+ case MXC_CPU_MX6SX:
+ return "6SX"; /* SoloX version of the mx6 */
+ case MXC_CPU_MX6UL:
+ return "6UL"; /* Ultra-Lite version of the mx6 */
+ case MXC_CPU_MX51:
return "51";
- case 0x53:
+ case MXC_CPU_MX53:
return "53";
default:
return "??";
int print_cpuinfo(void)
{
u32 cpurev;
+ __maybe_unused u32 max_freq;
+
+#if defined(CONFIG_SOC_MX6) && defined(CONFIG_IMX6_THERMAL)
+ struct udevice *thermal_dev;
+ int cpu_tmp, minc, maxc, ret;
+#endif
cpurev = get_cpu_rev();
+#if defined(CONFIG_SOC_MX6)
+ printf("CPU: Freescale i.MX%s rev%d.%d",
+ get_imx_type((cpurev & 0xFF000) >> 12),
+ (cpurev & 0x000F0) >> 4,
+ (cpurev & 0x0000F) >> 0);
+ max_freq = get_cpu_speed_grade_hz();
+ if (!max_freq || max_freq == mxc_get_clock(MXC_ARM_CLK)) {
+ printf(" at %dMHz\n", mxc_get_clock(MXC_ARM_CLK) / 1000000);
+ } else {
+ printf(" %d MHz (running at %d MHz)\n", max_freq / 1000000,
+ mxc_get_clock(MXC_ARM_CLK) / 1000000);
+ }
+#else
printf("CPU: Freescale i.MX%s rev%d.%d at %d MHz\n",
get_imx_type((cpurev & 0xFF000) >> 12),
(cpurev & 0x000F0) >> 4,
(cpurev & 0x0000F) >> 0,
mxc_get_clock(MXC_ARM_CLK) / 1000000);
+#endif
+
+#if defined(CONFIG_SOC_MX6) && defined(CONFIG_IMX6_THERMAL)
+ puts("CPU: ");
+ switch (get_cpu_temp_grade(&minc, &maxc)) {
+ case TEMP_AUTOMOTIVE:
+ puts("Automotive temperature grade ");
+ break;
+ case TEMP_INDUSTRIAL:
+ puts("Industrial temperature grade ");
+ break;
+ case TEMP_EXTCOMMERCIAL:
+ puts("Extended Commercial temperature grade ");
+ break;
+ default:
+ puts("Commercial temperature grade ");
+ }
+ printf("(%dC to %dC)", minc, maxc);
+ ret = uclass_get_device(UCLASS_THERMAL, 0, &thermal_dev);
+ if (!ret) {
+ ret = thermal_get_temp(thermal_dev, &cpu_tmp);
+
+ if (!ret)
+ printf(" at %dC\n", cpu_tmp);
+ else
+ puts(" - invalid sensor data\n");
+ } else {
+ puts(" - invalid sensor device\n");
+ }
+#endif
+
printf("Reset cause: %s\n", get_reset_cause());
return 0;
}
{
int rc = -ENODEV;
-#if defined(CONFIG_FEC_MXC)
+#if defined(CONFIG_FEC_MXC) && defined(CONFIG_FEC_MXC_PHYADDR)
rc = fecmxc_initialize(bis);
#endif
}
#endif
-void reset_cpu(ulong addr)
-{
- __raw_writew(4, WDOG1_BASE_ADDR);
-}
-
u32 get_ahb_clk(void)
{
struct mxc_ccm_reg *imx_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
return get_periph_clk() / (ahb_podf + 1);
}
-#if defined(CONFIG_VIDEO_IPUV3)
void arch_preboot_os(void)
{
+#if defined(CONFIG_CMD_SATA)
+ sata_stop();
+#if defined(CONFIG_SOC_MX6)
+ disable_sata_clock();
+#endif
+#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]);
+}
projects / karo-tx-uboot.git / blobdiff