avionic design with actual uboot and tooling

submodule of avionic design uboot bootloader and with included tools to
get you started , read readme.md and readme-tk1-loader.md

u-boot/arch/powerpc/cpu/mpc85xx/portals.c

@@ -0,0 +1,356 @@
+/*
+ * Copyright 2008-2011 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+
+#include <asm/processor.h>
+#include <asm/io.h>
+
+#include <asm/fsl_portals.h>
+#include <asm/fsl_liodn.h>
+
+#define MAX_BPORTALS (CONFIG_SYS_BMAN_CINH_SIZE / CONFIG_SYS_BMAN_SP_CINH_SIZE)
+#define MAX_QPORTALS (CONFIG_SYS_QMAN_CINH_SIZE / CONFIG_SYS_QMAN_SP_CINH_SIZE)
+static void inhibit_portals(void __iomem *addr, int max_portals,
+			int arch_max_portals, int portal_cinh_size)
+{
+	uint32_t val;
+	int i;
+
+	/* arch_max_portals is the maximum based on memory size. This includes
+	 * the reserved memory in the SoC.  max_portals the number of physical
+	 * portals in the SoC */
+	if (max_portals > arch_max_portals) {
+		printf("ERROR: portal config error\n");
+		max_portals = arch_max_portals;
+	}
+
+	for (i = 0; i < max_portals; i++) {
+		out_be32(addr, -1);
+		val = in_be32(addr);
+		if (!val) {
+			printf("ERROR: Stopped after %d portals\n", i);
+			goto done;
+		}
+		addr += portal_cinh_size;
+	}
+#ifdef DEBUG
+	printf("Cleared %d portals\n", i);
+#endif
+done:
+
+	return;
+}
+
+void setup_portals(void)
+{
+	ccsr_qman_t *qman = (void *)CONFIG_SYS_FSL_QMAN_ADDR;
+	void __iomem *bpaddr = (void *)CONFIG_SYS_BMAN_CINH_BASE +
+				CONFIG_SYS_BMAN_SWP_ISDR_REG;
+	void __iomem *qpaddr = (void *)CONFIG_SYS_QMAN_CINH_BASE +
+				CONFIG_SYS_QMAN_SWP_ISDR_REG;
+#ifdef CONFIG_FSL_CORENET
+	int i;
+
+	for (i = 0; i < CONFIG_SYS_QMAN_NUM_PORTALS; i++) {
+		u8 sdest = qp_info[i].sdest;
+		u16 fliodn = qp_info[i].fliodn;
+		u16 dliodn = qp_info[i].dliodn;
+		u16 liodn_off = qp_info[i].liodn_offset;
+
+		out_be32(&qman->qcsp[i].qcsp_lio_cfg, (liodn_off << 16) |
+					dliodn);
+		/* set frame liodn */
+		out_be32(&qman->qcsp[i].qcsp_io_cfg, (sdest << 16) | fliodn);
+	}
+#endif
+
+	/* Set the Qman initiator BAR to match the LAW (for DQRR stashing) */
+#ifdef CONFIG_PHYS_64BIT
+	out_be32(&qman->qcsp_bare, (u32)(CONFIG_SYS_QMAN_MEM_PHYS >> 32));
+#endif
+	out_be32(&qman->qcsp_bar, (u32)CONFIG_SYS_QMAN_MEM_PHYS);
+
+	/* Change default state of BMan ISDR portals to all 1s */
+	inhibit_portals(bpaddr, CONFIG_SYS_BMAN_NUM_PORTALS, MAX_BPORTALS,
+			CONFIG_SYS_BMAN_SP_CINH_SIZE);
+	inhibit_portals(qpaddr, CONFIG_SYS_QMAN_NUM_PORTALS, MAX_QPORTALS,
+			CONFIG_SYS_QMAN_SP_CINH_SIZE);
+}
+
+/* Update portal containter to match LAW setup of portal in phy map */
+void fdt_portal(void *blob, const char *compat, const char *container,
+			u64 addr, u32 size)
+{
+	int off;
+
+	off = fdt_node_offset_by_compatible(blob, -1, compat);
+	if (off < 0)
+		return ;
+
+	off = fdt_parent_offset(blob, off);
+	/* if non-zero assume we have a container */
+	if (off > 0) {
+		char buf[60];
+		const char *p, *name;
+		u32 *range;
+		int len;
+
+		/* fixup ranges */
+		range = fdt_getprop_w(blob, off, "ranges", &len);
+		if (range == NULL) {
+			printf("ERROR: container for %s has no ranges", compat);
+			return ;
+		}
+
+		range[0] = 0;
+		if (len == 16) {
+			range[1] = addr >> 32;
+			range[2] = addr & 0xffffffff;
+			range[3] = size;
+		} else {
+			range[1] = addr & 0xffffffff;
+			range[2] = size;
+		}
+		fdt_setprop_inplace(blob, off, "ranges", range, len);
+
+		/* fixup the name */
+		name = fdt_get_name(blob, off, &len);
+		p = memchr(name, '@', len);
+
+		if (p)
+			len = p - name;
+
+		/* if we are given a container name check it
+		 * against what we found, if it doesnt match exit out */
+		if (container && (memcmp(container, name, len))) {
+			printf("WARNING: container names didn't match %s %s\n",
+				container, name);
+			return ;
+		}
+
+		memcpy(&buf, name, len);
+		len += sprintf(&buf[len], "@%llx", addr);
+		fdt_set_name(blob, off, buf);
+		return ;
+	}
+
+	printf("ERROR: %s isn't in a container.  Not supported\n", compat);
+}
+
+static int fdt_qportal(void *blob, int off, int id, char *name,
+		       enum fsl_dpaa_dev dev, int create)
+{
+	int childoff, dev_off, ret = 0;
+	uint32_t dev_handle;
+#ifdef CONFIG_FSL_CORENET
+	int num;
+	u32 liodns[2];
+#endif
+
+	childoff = fdt_subnode_offset(blob, off, name);
+	if (create) {
+		char handle[64], *p;
+
+		strncpy(handle, name, sizeof(handle));
+		p = strchr(handle, '@');
+		if (!strncmp(name, "fman", 4)) {
+			*p = *(p + 1);
+			p++;
+		}
+		*p = '\0';
+
+		dev_off = fdt_path_offset(blob, handle);
+		/* skip this node if alias is not found */
+		if (dev_off == -FDT_ERR_BADPATH)
+			return 0;
+		if (dev_off < 0)
+			return dev_off;
+
+		if (childoff <= 0)
+			childoff = fdt_add_subnode(blob, off, name);
+
+		/* need to update the dev_off after adding a subnode */
+		dev_off = fdt_path_offset(blob, handle);
+		if (dev_off < 0)
+			return dev_off;
+
+		if (childoff > 0) {
+			dev_handle = fdt_get_phandle(blob, dev_off);
+			if (dev_handle <= 0) {
+				dev_handle = fdt_alloc_phandle(blob);
+				ret = fdt_set_phandle(blob, dev_off,
+							 dev_handle);
+				if (ret < 0)
+					return ret;
+			}
+
+			ret = fdt_setprop(blob, childoff, "dev-handle",
+					  &dev_handle, sizeof(dev_handle));
+			if (ret < 0)
+				return ret;
+
+#ifdef CONFIG_FSL_CORENET
+			num = get_dpaa_liodn(dev, &liodns[0], id);
+			ret = fdt_setprop(blob, childoff, "fsl,liodn",
+					  &liodns[0], sizeof(u32) * num);
+			if (!strncmp(name, "pme", 3)) {
+				u32 pme_rev1, pme_rev2;
+				ccsr_pme_t *pme_regs =
+					(void *)CONFIG_SYS_FSL_CORENET_PME_ADDR;
+
+				pme_rev1 = in_be32(&pme_regs->pm_ip_rev_1);
+				pme_rev2 = in_be32(&pme_regs->pm_ip_rev_2);
+				ret = fdt_setprop(blob, childoff,
+					"fsl,pme-rev1", &pme_rev1, sizeof(u32));
+				if (ret < 0)
+					return ret;
+				ret = fdt_setprop(blob, childoff,
+					"fsl,pme-rev2", &pme_rev2, sizeof(u32));
+			}
+#endif
+		} else {
+			return childoff;
+		}
+	} else {
+		if (childoff > 0)
+			ret = fdt_del_node(blob, childoff);
+	}
+
+	return ret;
+}
+
+void fdt_fixup_qportals(void *blob)
+{
+	int off, err;
+	unsigned int maj, min;
+	unsigned int ip_cfg;
+	ccsr_qman_t *qman = (void *)CONFIG_SYS_FSL_QMAN_ADDR;
+	u32 rev_1 = in_be32(&qman->ip_rev_1);
+	u32 rev_2 = in_be32(&qman->ip_rev_2);
+	char compat[64];
+	int compat_len;
+
+	maj = (rev_1 >> 8) & 0xff;
+	min = rev_1 & 0xff;
+	ip_cfg = rev_2 & 0xff;
+
+	compat_len = sprintf(compat, "fsl,qman-portal-%u.%u.%u",
+					maj, min, ip_cfg) + 1;
+	compat_len += sprintf(compat + compat_len, "fsl,qman-portal") + 1;
+
+	off = fdt_node_offset_by_compatible(blob, -1, "fsl,qman-portal");
+	while (off != -FDT_ERR_NOTFOUND) {
+#ifdef CONFIG_FSL_CORENET
+		u32 liodns[2];
+#endif
+		const int *ci = fdt_getprop(blob, off, "cell-index", &err);
+		int i;
+
+		if (!ci)
+			goto err;
+
+		i = *ci;
+#ifdef CONFIG_SYS_DPAA_FMAN
+		int j;
+#endif
+
+		err = fdt_setprop(blob, off, "compatible", compat, compat_len);
+		if (err < 0)
+			goto err;
+
+#ifdef CONFIG_FSL_CORENET
+		liodns[0] = qp_info[i].dliodn;
+		liodns[1] = qp_info[i].fliodn;
+
+		err = fdt_setprop(blob, off, "fsl,liodn",
+				  &liodns, sizeof(u32) * 2);
+		if (err < 0)
+			goto err;
+#endif
+
+		i++;
+
+		err = fdt_qportal(blob, off, i, "crypto@0", FSL_HW_PORTAL_SEC,
+				  IS_E_PROCESSOR(get_svr()));
+		if (err < 0)
+			goto err;
+
+#ifdef CONFIG_FSL_CORENET
+#ifdef CONFIG_SYS_DPAA_PME
+		err = fdt_qportal(blob, off, i, "pme@0", FSL_HW_PORTAL_PME, 1);
+		if (err < 0)
+			goto err;
+#else
+		fdt_qportal(blob, off, i, "pme@0", FSL_HW_PORTAL_PME, 0);
+#endif
+#endif
+
+#ifdef CONFIG_SYS_DPAA_FMAN
+		for (j = 0; j < CONFIG_SYS_NUM_FMAN; j++) {
+			char name[] = "fman@0";
+
+			name[sizeof(name) - 2] = '0' + j;
+			err = fdt_qportal(blob, off, i, name,
+					  FSL_HW_PORTAL_FMAN1 + j, 1);
+			if (err < 0)
+				goto err;
+		}
+#endif
+#ifdef CONFIG_SYS_DPAA_RMAN
+		err = fdt_qportal(blob, off, i, "rman@0",
+				  FSL_HW_PORTAL_RMAN, 1);
+		if (err < 0)
+			goto err;
+#endif
+
+err:
+		if (err < 0) {
+			printf("ERROR: unable to create props for %s: %s\n",
+				fdt_get_name(blob, off, NULL), fdt_strerror(err));
+			return;
+		}
+
+		off = fdt_node_offset_by_compatible(blob, off, "fsl,qman-portal");
+	}
+}
+
+void fdt_fixup_bportals(void *blob)
+{
+	int off, err;
+	unsigned int maj, min;
+	unsigned int ip_cfg;
+	ccsr_bman_t *bman = (void *)CONFIG_SYS_FSL_BMAN_ADDR;
+	u32 rev_1 = in_be32(&bman->ip_rev_1);
+	u32 rev_2 = in_be32(&bman->ip_rev_2);
+	char compat[64];
+	int compat_len;
+
+	maj = (rev_1 >> 8) & 0xff;
+	min = rev_1 & 0xff;
+
+	ip_cfg = rev_2 & 0xff;
+
+	compat_len = sprintf(compat, "fsl,bman-portal-%u.%u.%u",
+				 maj, min, ip_cfg) + 1;
+	compat_len += sprintf(compat + compat_len, "fsl,bman-portal") + 1;
+
+	off = fdt_node_offset_by_compatible(blob, -1, "fsl,bman-portal");
+	while (off != -FDT_ERR_NOTFOUND) {
+		err = fdt_setprop(blob, off, "compatible", compat, compat_len);
+		if (err < 0) {
+			printf("ERROR: unable to create props for %s: %s\n",
+				fdt_get_name(blob, off, NULL),
+						 fdt_strerror(err));
+			return;
+		}
+
+		off = fdt_node_offset_by_compatible(blob, off, "fsl,bman-portal");
+	}
+
+}