board/freescale: Share qbman init between archs

This patch adds changes necessary to move functionality present in
PowerPC folders with ARM architectures that have DPAA1 QBMan hardware

- Created new board/freescale/common/portals.c to house shared device
  tree fixups for DPAA1 devices with ARM and PowerPC cores
- Added new header file to top includes directory to allow files in
  both architectures to grab the function prototypes
- Port inhibit_portals() from PowerPC to ARM. This function is used in
  setup to disable interrupts on all QMan and BMan portals. It is
  needed because the interrupts are enabled by default for all portals
  including unused/uninitialised portals. When the kernel attempts to
  go to deep sleep the unused portals prevent it from doing so

Signed-off-by: Ahmed Mansour <ahmed.mansour@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>

2 files changed, 314 insertions, 0 deletions

diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile
index 1c53fb6..3e516a3 100644
--- a/board/freescale/common/Makefile
+++ b/board/freescale/common/Makefile
@@ -74,6 +74,8 @@ obj-$(CONFIG_TARGET_P5040DS)	+= p_corenet/
 
 obj-$(CONFIG_LAYERSCAPE_NS_ACCESS)	+= ns_access.o
 
+obj-$(CONFIG_SYS_DPAA_QBMAN)  += portals.o
+
 ifdef CONFIG_SECURE_BOOT
 obj-$(CONFIG_CMD_ESBC_VALIDATE) += fsl_validate.o cmd_esbc_validate.o
 endif
diff --git a/board/freescale/common/portals.c b/board/freescale/common/portals.c
new file mode 100644
index 0000000..7e15b82
--- /dev/null
+++ b/board/freescale/common/portals.c
@@ -0,0 +1,312 @@
+/*
+ * Copyright 2008-2011 Freescale Semiconductor, Inc.
+ * Copyright 2016 NXP
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+
+#include <asm/processor.h>
+#include <asm/io.h>
+#ifndef CONFIG_ARM
+#include <asm/fsl_portals.h>
+#include <asm/fsl_liodn.h>
+#endif
+#include <fsl_qbman.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)
+void setup_qbman_portals(void)
+{
+	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;
+#ifndef CONFIG_ARM
+	struct ccsr_qman *qman = (void *)CONFIG_SYS_FSL_QMAN_ADDR;
+
+	/* 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);
+#endif
+#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
+
+	/* 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);
+}
+
+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;
+}
+
+#ifndef CONFIG_ARM
+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;
+}
+#endif /* CONFIG_ARM */
+
+
+#ifdef CONFIG_SYS_DPAA_QBMAN
+
+void fdt_fixup_qportals(void *blob)
+{
+	int off, err;
+	unsigned int maj, min;
+	unsigned int ip_cfg;
+	struct ccsr_qman *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) {
+#ifndef CONFIG_ARM
+#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
+
+#endif /* CONFIG_ARM */
+		err = fdt_setprop(blob, off, "compatible", compat, compat_len);
+		if (err < 0)
+			goto err;
+#ifndef CONFIG_ARM
+#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
+#endif /* CONFIG_ARM */
+
+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;
+	struct ccsr_bman *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");
+	}
+}
+
+#endif /* CONFIG_SYS_DPAA_QBMAN */