--- /dev/null
+/*
+ * Copyright (C) 2010 Albert ARIBAUD <albert.u.boot@aribaud.net>
+ *
+ * Based on original Kirkwood support which is
+ * (C) Copyright 2009
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <netdev.h>
+#include <asm/cache.h>
+#include <asm/io.h>
+#include <u-boot/md5.h>
+#include <asm/arch/cpu.h>
+#include <hush.h>
+
+#define BUFLEN 16
+
+void reset_cpu(unsigned long ignored)
+{
+ struct orion5x_cpu_registers *cpureg =
+ (struct orion5x_cpu_registers *)ORION5X_CPU_REG_BASE;
+
+ writel(readl(&cpureg->rstoutn_mask) | (1 << 2),
+ &cpureg->rstoutn_mask);
+ writel(readl(&cpureg->sys_soft_rst) | 1,
+ &cpureg->sys_soft_rst);
+ while (1)
+ ;
+}
+
+/*
+ * Compute Window Size field value from size expressed in bytes
+ * Used with the Base register to set the address window size and location.
+ * Must be programmed from LSB to MSB as sequence of ones followed by
+ * sequence of zeros. The number of ones specifies the size of the window in
+ * 64 KiB granularity (e.g., a value of 0x00FF specifies 256 = 16 MiB).
+ * NOTES:
+ * 1) A sizeval equal to 0x0 specifies 4 GiB.
+ * 2) A return value of 0x0 specifies 64 KiB.
+ */
+unsigned int orion5x_winctrl_calcsize(unsigned int sizeval)
+{
+ /*
+ * Calculate the number of 64 KiB blocks needed minus one (rounding up).
+ * For sizeval > 0 this is equivalent to:
+ * sizeval = (u32) ceil((double) sizeval / 65536.0) - 1
+ */
+ sizeval = (sizeval - 1) >> 16;
+
+ /*
+ * Propagate 'one' bits to the right by 'oring' them.
+ * We need only treat bits 15-0.
+ */
+ sizeval |= sizeval >> 1; /* 'Or' bit 15 onto bit 14 */
+ sizeval |= sizeval >> 2; /* 'Or' bits 15-14 onto bits 13-12 */
+ sizeval |= sizeval >> 4; /* 'Or' bits 15-12 onto bits 11-8 */
+ sizeval |= sizeval >> 8; /* 'Or' bits 15-8 onto bits 7-0*/
+
+ return sizeval;
+}
+
+/*
+ * orion5x_config_adr_windows - Configure address Windows
+ *
+ * There are 8 address windows supported by Orion5x Soc to addess different
+ * devices. Each window can be configured for size, BAR and remap addr
+ * Below configuration is standard for most of the cases
+ *
+ * If remap function not used, remap_lo must be set as base
+ *
+ * NOTES:
+ *
+ * 1) in order to avoid windows with inconsistent control and base values
+ * (which could prevent access to BOOTCS and hence execution from FLASH)
+ * always disable window before writing the base value then reenable it
+ * by writing the control value.
+ *
+ * 2) in order to avoid losing access to BOOTCS when disabling window 7,
+ * first configure window 6 for BOOTCS, then configure window 7 for BOOTCS,
+ * then configure windows 6 for its own target.
+ *
+ * Reference Documentation:
+ * Mbus-L to Mbus Bridge Registers Configuration.
+ * (Sec 25.1 and 25.3 of Datasheet)
+ */
+int orion5x_config_adr_windows(void)
+{
+ struct orion5x_win_registers *winregs =
+ (struct orion5x_win_registers *)ORION5X_CPU_WIN_BASE;
+
+/* Disable window 0, configure it for its intended target, enable it. */
+ writel(0, &winregs[0].ctrl);
+ writel(ORION5X_ADR_PCIE_MEM, &winregs[0].base);
+ writel(ORION5X_ADR_PCIE_MEM_REMAP_LO, &winregs[0].remap_lo);
+ writel(ORION5X_ADR_PCIE_MEM_REMAP_HI, &winregs[0].remap_hi);
+ writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_SZ_PCIE_MEM,
+ ORION5X_TARGET_PCIE, ORION5X_ATTR_PCIE_MEM,
+ ORION5X_WIN_ENABLE), &winregs[0].ctrl);
+/* Disable window 1, configure it for its intended target, enable it. */
+ writel(0, &winregs[1].ctrl);
+ writel(ORION5X_ADR_PCIE_IO, &winregs[1].base);
+ writel(ORION5X_ADR_PCIE_IO_REMAP_LO, &winregs[1].remap_lo);
+ writel(ORION5X_ADR_PCIE_IO_REMAP_HI, &winregs[1].remap_hi);
+ writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_SZ_PCIE_IO,
+ ORION5X_TARGET_PCIE, ORION5X_ATTR_PCIE_IO,
+ ORION5X_WIN_ENABLE), &winregs[1].ctrl);
+/* Disable window 2, configure it for its intended target, enable it. */
+ writel(0, &winregs[2].ctrl);
+ writel(ORION5X_ADR_PCI_MEM, &winregs[2].base);
+ writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_SZ_PCI_MEM,
+ ORION5X_TARGET_PCI, ORION5X_ATTR_PCI_MEM,
+ ORION5X_WIN_ENABLE), &winregs[2].ctrl);
+/* Disable window 3, configure it for its intended target, enable it. */
+ writel(0, &winregs[3].ctrl);
+ writel(ORION5X_ADR_PCI_IO, &winregs[3].base);
+ writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_SZ_PCI_IO,
+ ORION5X_TARGET_PCI, ORION5X_ATTR_PCI_IO,
+ ORION5X_WIN_ENABLE), &winregs[3].ctrl);
+/* Disable window 4, configure it for its intended target, enable it. */
+ writel(0, &winregs[4].ctrl);
+ writel(ORION5X_ADR_DEV_CS0, &winregs[4].base);
+ writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_SZ_DEV_CS0,
+ ORION5X_TARGET_DEVICE, ORION5X_ATTR_DEV_CS0,
+ ORION5X_WIN_ENABLE), &winregs[4].ctrl);
+/* Disable window 5, configure it for its intended target, enable it. */
+ writel(0, &winregs[5].ctrl);
+ writel(ORION5X_ADR_DEV_CS1, &winregs[5].base);
+ writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_SZ_DEV_CS1,
+ ORION5X_TARGET_DEVICE, ORION5X_ATTR_DEV_CS1,
+ ORION5X_WIN_ENABLE), &winregs[5].ctrl);
+/* Disable window 6, configure it for FLASH, enable it. */
+ writel(0, &winregs[6].ctrl);
+ writel(ORION5X_ADR_BOOTROM, &winregs[6].base);
+ writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_SZ_BOOTROM,
+ ORION5X_TARGET_DEVICE, ORION5X_ATTR_BOOTROM,
+ ORION5X_WIN_ENABLE), &winregs[6].ctrl);
+/* Disable window 7, configure it for FLASH, enable it. */
+ writel(0, &winregs[7].ctrl);
+ writel(ORION5X_ADR_BOOTROM, &winregs[7].base);
+ writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_SZ_BOOTROM,
+ ORION5X_TARGET_DEVICE, ORION5X_ATTR_BOOTROM,
+ ORION5X_WIN_ENABLE), &winregs[7].ctrl);
+/* Disable window 6, configure it for its intended target, enable it. */
+ writel(0, &winregs[6].ctrl);
+ writel(ORION5X_ADR_DEV_CS2, &winregs[6].base);
+ writel(ORION5X_CPU_WIN_CTRL_DATA(ORION5X_SZ_DEV_CS2,
+ ORION5X_TARGET_DEVICE, ORION5X_ATTR_DEV_CS2,
+ ORION5X_WIN_ENABLE), &winregs[6].ctrl);
+
+ return 0;
+}
+
+/*
+ * Orion5x identification is done through PCIE space.
+ */
+
+u32 orion5x_device_id(void)
+{
+ return readl(PCIE_DEV_ID_OFF) >> 16;
+}
+
+u32 orion5x_device_rev(void)
+{
+ return readl(PCIE_DEV_REV_OFF) & 0xff;
+}
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+
+/* Display device and revision IDs.
+ * This function must cover all known device/revision
+ * combinations, not only the one for which u-boot is
+ * compiled; this way, one can identify actual HW in
+ * case of a mismatch.
+ */
+int print_cpuinfo(void)
+{
+ char dev_str[7]; /* room enough for 0x0000 plus null byte */
+ char rev_str[5]; /* room enough for 0x00 plus null byte */
+ char *dev_name = NULL;
+ char *rev_name = NULL;
+
+ u32 dev = orion5x_device_id();
+ u32 rev = orion5x_device_rev();
+
+ if (dev == MV88F5181_DEV_ID) {
+ dev_name = "MV88F5181";
+ if (rev == MV88F5181_REV_B1)
+ rev_name = "B1";
+ else if (rev == MV88F5181L_REV_A1) {
+ dev_name = "MV88F5181L";
+ rev_name = "A1";
+ } else if (rev == MV88F5181L_REV_A0) {
+ dev_name = "MV88F5181L";
+ rev_name = "A0";
+ }
+ } else if (dev == MV88F5182_DEV_ID) {
+ dev_name = "MV88F5182";
+ if (rev == MV88F5182_REV_A2)
+ rev_name = "A2";
+ } else if (dev == MV88F5281_DEV_ID) {
+ dev_name = "MV88F5281";
+ if (rev == MV88F5281_REV_D2)
+ rev_name = "D2";
+ else if (rev == MV88F5281_REV_D1)
+ rev_name = "D1";
+ else if (rev == MV88F5281_REV_D0)
+ rev_name = "D0";
+ } else if (dev == MV88F6183_DEV_ID) {
+ dev_name = "MV88F6183";
+ if (rev == MV88F6183_REV_B0)
+ rev_name = "B0";
+ }
+ if (dev_name == NULL) {
+ sprintf(dev_str, "0x%04x", dev);
+ dev_name = dev_str;
+ }
+ if (rev_name == NULL) {
+ sprintf(rev_str, "0x%02x", rev);
+ rev_name = rev_str;
+ }
+
+ printf("SoC: Orion5x %s-%s\n", dev_name, rev_name);
+
+ return 0;
+}
+#endif /* CONFIG_DISPLAY_CPUINFO */
+
+#ifdef CONFIG_ARCH_CPU_INIT
+int arch_cpu_init(void)
+{
+ /* Enable and invalidate L2 cache in write through mode */
+ invalidate_l2_cache();
+
+ orion5x_config_adr_windows();
+
+ return 0;
+}
+#endif /* CONFIG_ARCH_CPU_INIT */
+
+/*
+ * SOC specific misc init
+ */
+#if defined(CONFIG_ARCH_MISC_INIT)
+int arch_misc_init(void)
+{
+ u32 temp;
+
+ /*CPU streaming & write allocate */
+ temp = readfr_extra_feature_reg();
+ temp &= ~(1 << 28); /* disable wr alloc */
+ writefr_extra_feature_reg(temp);
+
+ temp = readfr_extra_feature_reg();
+ temp &= ~(1 << 29); /* streaming disabled */
+ writefr_extra_feature_reg(temp);
+
+ /* L2Cache settings */
+ temp = readfr_extra_feature_reg();
+ /* Disable L2C pre fetch - Set bit 24 */
+ temp |= (1 << 24);
+ /* enable L2C - Set bit 22 */
+ temp |= (1 << 22);
+ writefr_extra_feature_reg(temp);
+
+ icache_enable();
+ /* Change reset vector to address 0x0 */
+ temp = get_cr();
+ set_cr(temp & ~CR_V);
+
+ /* Set CPIOs and MPPs - values provided by board
+ include file */
+ writel(ORION5X_MPP0_7, ORION5X_MPP_BASE+0x00);
+ writel(ORION5X_MPP8_15, ORION5X_MPP_BASE+0x04);
+ writel(ORION5X_MPP16_23, ORION5X_MPP_BASE+0x50);
+ writel(ORION5X_GPIO_OUT_VALUE, ORION5X_GPIO_BASE+0x00);
+ writel(ORION5X_GPIO_OUT_ENABLE, ORION5X_GPIO_BASE+0x04);
+ writel(ORION5X_GPIO_IN_POLARITY, ORION5X_GPIO_BASE+0x0c);
+
+ /* initialize timer */
+ timer_init_r();
+ return 0;
+}
+#endif /* CONFIG_ARCH_MISC_INIT */
+
+#ifdef CONFIG_MVGBE
+int cpu_eth_init(bd_t *bis)
+{
+ mvgbe_initialize(bis);
+ return 0;
+}
+#endif
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