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path: root/drivers/misc/fsl_portals.c
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Diffstat (limited to 'drivers/misc/fsl_portals.c')
-rw-r--r--drivers/misc/fsl_portals.c305
1 files changed, 305 insertions, 0 deletions
diff --git a/drivers/misc/fsl_portals.c b/drivers/misc/fsl_portals.c
new file mode 100644
index 0000000000..3b3dd023bb
--- /dev/null
+++ b/drivers/misc/fsl_portals.c
@@ -0,0 +1,305 @@
+/*
+ * Copyright 2008-2011 Freescale Semiconductor, Inc.
+ * Copyright 2017 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>
+#ifdef CONFIG_PPC
+#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;
+#ifdef CONFIG_PPC
+ 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)
+{
+ u32 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);
+ return;
+ }
+ addr += portal_cinh_size;
+ }
+ debug("Cleared %d portals\n", i);
+}
+
+#ifdef CONFIG_PPC
+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;
+ u32 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_PPC */
+
+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) {
+#ifdef CONFIG_PPC
+#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_PPC */
+ err = fdt_setprop(blob, off, "compatible", compat, compat_len);
+ if (err < 0)
+ goto err;
+#ifdef CONFIG_PPC
+#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_PPC */
+
+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");
+ }
+}