[Skiboot] [PATCH 02/12] cpu: use dt accessor device tree access

Nicholas Piggin npiggin at gmail.com
Sun Sep 29 17:46:41 AEST 2019


Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
---
 core/cpu.c            |  2 +-
 core/device.c         |  1 +
 core/fdt.c            |  4 ++--
 core/interrupts.c     |  4 ++--
 core/pci.c            | 28 +++++++++++++---------------
 hdata/fsp.c           |  7 ++++---
 hdata/iohub.c         | 20 ++++++++++----------
 hdata/paca.c          | 10 +++++-----
 hw/fsp/fsp-sysparam.c |  4 ++--
 hw/imc.c              |  4 ++--
 hw/lpc.c              |  6 +++---
 hw/psi.c              |  8 ++++----
 hw/vas.c              |  7 ++++---
 13 files changed, 53 insertions(+), 52 deletions(-)

diff --git a/core/cpu.c b/core/cpu.c
index d0e4cdc1c..b3433aef5 100644
--- a/core/cpu.c
+++ b/core/cpu.c
@@ -1214,7 +1214,7 @@ void init_all_cpus(void)
 			t = &cpu_stacks[pir + thread].cpu;
 			init_cpu_thread(t, state, pir + thread);
 			t->trace = boot_cpu->trace;
-			t->server_no = ((const u32 *)p->prop)[thread];
+			t->server_no = dt_property_get_cell(p, thread);
 			t->is_secondary = true;
 			t->primary = pt;
 			t->node = cpu;
diff --git a/core/device.c b/core/device.c
index ce0171b67..0118d485f 100644
--- a/core/device.c
+++ b/core/device.c
@@ -1110,6 +1110,7 @@ void dt_adjust_subtree_phandle(struct dt_node *dev,
 				continue;
 			phandle = dt_prop_get_u32(node, *name);
 			phandle += import_phandle;
+			phandle = cpu_to_be32(phandle);
 			memcpy((char *)&prop->prop, &phandle, prop->len);
 		}
        }
diff --git a/core/fdt.c b/core/fdt.c
index d3c6d9fa1..e093e8b54 100644
--- a/core/fdt.c
+++ b/core/fdt.c
@@ -146,8 +146,8 @@ static void create_dtb_reservemap(void *fdt, const struct dt_node *root)
 		ranges = (const void *)prop->prop;
 
 		for (i = 0; i < prop->len / (sizeof(uint64_t) * 2); i++) {
-			base = *(ranges++);
-			size = *(ranges++);
+			base = be64_to_cpu(*(ranges++));
+			size = be64_to_cpu(*(ranges++));
 			save_err(fdt_add_reservemap_entry(fdt, base, size));
 		}
 	}
diff --git a/core/interrupts.c b/core/interrupts.c
index b0c1da198..10baa15f6 100644
--- a/core/interrupts.c
+++ b/core/interrupts.c
@@ -231,8 +231,8 @@ void add_opal_interrupts(void)
 				names[tns++] = 0;
 			i = count++;
 			irqs = realloc(irqs, 8 * count);
-			irqs[i*2] = isn;
-			irqs[i*2+1] = iflags;
+			irqs[i*2] = cpu_to_be32(isn);
+			irqs[i*2+1] = cpu_to_be32(iflags);
 		}
 	}
 	unlock(&irq_lock);
diff --git a/core/pci.c b/core/pci.c
index 9ee70f4fd..6c5c83bea 100644
--- a/core/pci.c
+++ b/core/pci.c
@@ -1334,7 +1334,7 @@ void pci_std_swizzle_irq_map(struct dt_node *np,
 {
 	uint32_t *map, *p;
 	int dev, irq, esize, edevcount;
-	size_t map_size, isize;
+	size_t map_size;
 
 	/* Some emulated setups don't use standard interrupts
 	 * representation
@@ -1342,9 +1342,6 @@ void pci_std_swizzle_irq_map(struct dt_node *np,
 	if (lstate->int_size == 0)
 		return;
 
-	/* Size in bytes of a target interrupt */
-	isize = lstate->int_size * sizeof(uint32_t);
-
 	/* Calculate the size of a map entry:
 	 *
 	 * 3 cells : PCI Address
@@ -1384,22 +1381,23 @@ void pci_std_swizzle_irq_map(struct dt_node *np,
 	for (dev = 0; dev < edevcount; dev++) {
 		for (irq = 0; irq < 4; irq++) {
 			/* Calculate pin */
+			size_t i;
 			uint32_t new_irq = (irq + dev + swizzle) % 4;
 
 			/* PCI address portion */
-			*(p++) = dev << (8 + 3);
+			*(p++) = cpu_to_be32(dev << (8 + 3));
 			*(p++) = 0;
 			*(p++) = 0;
 
 			/* PCI interrupt portion */
-			*(p++) = irq + 1;
+			*(p++) = cpu_to_be32(irq + 1);
 
 			/* Parent phandle */
-			*(p++) = lstate->int_parent[new_irq];
+			*(p++) = cpu_to_be32(lstate->int_parent[new_irq]);
 
 			/* Parent desc */
-			memcpy(p, lstate->int_val[new_irq], isize);
-			p += lstate->int_size;
+			for (i = 0; i < lstate->int_size; i++)
+				*(p++) = cpu_to_be32(lstate->int_val[new_irq][i]);
 		}
 	}
 
@@ -1549,16 +1547,16 @@ static void __noinline pci_add_one_device_node(struct phb *phb,
 	char name[MAX_NAME];
 	char compat[MAX_NAME];
 	uint32_t rev_class, vdid;
-	uint32_t reg[5];
+	__be32 reg[5];
 	uint8_t intpin;
 	bool is_pcie;
-	const uint32_t ranges_direct[] = {
+	const __be32 ranges_direct[] = {
 				/* 64-bit direct mapping. We know the bridges
 				 * don't cover the entire address space so
 				 * use 0xf00... as a good compromise. */
-				0x02000000, 0x0, 0x0,
-				0x02000000, 0x0, 0x0,
-				0xf0000000, 0x0};
+				cpu_to_be32(0x02000000), 0x0, 0x0,
+				cpu_to_be32(0x02000000), 0x0, 0x0,
+				cpu_to_be32(0xf0000000), 0x0};
 
 	pci_cfg_read32(phb, pd->bdfn, 0, &vdid);
 	pci_cfg_read32(phb, pd->bdfn, PCI_CFG_REV_ID, &rev_class);
@@ -1635,7 +1633,7 @@ static void __noinline pci_add_one_device_node(struct phb *phb,
 	 * entry in the "reg" property. That's enough for Linux and we might
 	 * even want to make this legit in future ePAPR
 	 */
-	reg[0] = pd->bdfn << 8;
+	reg[0] = cpu_to_be32(pd->bdfn << 8);
 	reg[1] = reg[2] = reg[3] = reg[4] = 0;
 	dt_add_property(np, "reg", reg, sizeof(reg));
 
diff --git a/hdata/fsp.c b/hdata/fsp.c
index 5923f1feb..fe36eef18 100644
--- a/hdata/fsp.c
+++ b/hdata/fsp.c
@@ -206,7 +206,7 @@ static void fsp_create_links(const void *spss, int index,
 		chip = fsp_create_link(iopath, i, index);
 		lp = lcount++;
 		links = realloc(links, 4 * lcount);
-		links[lp] = chip;
+		links[lp] = cpu_to_be32(chip);
 	}
 	if (links)
 		dt_add_property(fsp_node, "ibm,psi-links", links, lcount * 4);
@@ -268,7 +268,7 @@ static void add_uart(const struct spss_iopath *iopath, struct dt_node *lpc)
 		be32_to_cpu(iopath->lpc.uart_baud));
 }
 
-static void add_chip_id_to_sensors(struct dt_node *sensor_node, __be32 slca_index)
+static void add_chip_id_to_sensors(struct dt_node *sensor_node, uint32_t slca_index)
 {
 	unsigned int i;
 	const void *hdif;
@@ -347,7 +347,8 @@ static void add_ipmi_sensors(struct dt_node *bmc_node)
 		dt_add_property_cells(sensor_node, "ipmi-sensor-type",
 				      ipmi_sensors->data[i].type);
 
-		add_chip_id_to_sensors(sensor_node, ipmi_sensors->data[i].slca_index);
+		add_chip_id_to_sensors(sensor_node,
+				be32_to_cpu(ipmi_sensors->data[i].slca_index));
 	}
 }
 
diff --git a/hdata/iohub.c b/hdata/iohub.c
index 6921d95ce..2af040a2f 100644
--- a/hdata/iohub.c
+++ b/hdata/iohub.c
@@ -109,12 +109,12 @@ static struct dt_node *io_add_phb3(const struct cechub_io_hub *hub,
 	/* "reg" property contains in order the PE, PCI and SPCI XSCOM
 	 * addresses
 	 */
-	reg[0] = pe_xscom;
-	reg[1] = 0x20;
-	reg[2] = pci_xscom;
-	reg[3] = 0x05;
-	reg[4] = spci_xscom;
-	reg[5] = 0x15;
+	reg[0] = cpu_to_be32(pe_xscom);
+	reg[1] = cpu_to_be32(0x20);
+	reg[2] = cpu_to_be32(pci_xscom);
+	reg[3] = cpu_to_be32(0x05);
+	reg[4] = cpu_to_be32(spci_xscom);
+	reg[5] = cpu_to_be32(0x15);
 	dt_add_property(pbcq, "reg", reg, sizeof(reg));
 
 	/* A couple more things ... */
@@ -214,10 +214,10 @@ static struct dt_node *io_add_phb4(const struct cechub_io_hub *hub,
 		return NULL;
 
 	/* "reg" property contains (in order) the PE and PCI XSCOM addresses */
-	reg[0] = pe_xscom;
-	reg[1] = 0x100;
-	reg[2] = pci_xscom;
-	reg[3] = 0x200;
+	reg[0] = cpu_to_be32(pe_xscom);
+	reg[1] = cpu_to_be32(0x100);
+	reg[2] = cpu_to_be32(pci_xscom);
+	reg[3] = cpu_to_be32(0x200);
 	dt_add_property(pbcq, "reg", reg, sizeof(reg));
 
 	/* The hubs themselves go under the stacks */
diff --git a/hdata/paca.c b/hdata/paca.c
index 28025b0cd..6ebb75320 100644
--- a/hdata/paca.c
+++ b/hdata/paca.c
@@ -174,8 +174,8 @@ static void add_xics_icps(void)
 					"IBM,ppc-xicp",
 					"IBM,power7-xicp");
 
-		irange[0] = dt_property_get_cell(intsrv, 0); /* Index */
-		irange[1] = num_threads;		     /* num servers */
+		irange[0] = cpu_to_be32(dt_property_get_cell(intsrv, 0)); /* Index */
+		irange[1] = cpu_to_be32(num_threads);		     /* num servers */
 		dt_add_property(icp, "ibm,interrupt-server-ranges",
 				irange, sizeof(irange));
 		dt_add_property(icp, "interrupt-controller", NULL, 0);
@@ -183,10 +183,10 @@ static void add_xics_icps(void)
 		dt_add_property_string(icp, "device_type",
 				   "PowerPC-External-Interrupt-Presentation");
 		for (i = 0; i < num_threads*2; i += 2) {
-			reg[i] = ibase;
+			reg[i] = cpu_to_be64(ibase);
 			/* One page is enough for a handful of regs. */
-			reg[i+1] = 4096;
-			ibase += reg[i+1];
+			reg[i+1] = cpu_to_be64(4096);
+			ibase += be64_to_cpu(reg[i+1]);
 		}
 		dt_add_property(icp, "reg", reg, sizeof(reg));	
 	}
diff --git a/hw/fsp/fsp-sysparam.c b/hw/fsp/fsp-sysparam.c
index 09005ef87..0e1e8181f 100644
--- a/hw/fsp/fsp-sysparam.c
+++ b/hw/fsp/fsp-sysparam.c
@@ -469,8 +469,8 @@ static void add_opal_sysparam_node(void)
 		strcpy(s, sysparam_attrs[i].name);
 		s = s + strlen(sysparam_attrs[i].name) + 1;
 
-		ids[i] = sysparam_attrs[i].id;
-		lens[i] = sysparam_attrs[i].length;
+		ids[i] = cpu_to_be32(sysparam_attrs[i].id);
+		lens[i] = cpu_to_be32(sysparam_attrs[i].length);
 		perms[i] = sysparam_attrs[i].perm;
 	}
 
diff --git a/hw/imc.c b/hw/imc.c
index ca06f3c36..16b060d39 100644
--- a/hw/imc.c
+++ b/hw/imc.c
@@ -458,8 +458,8 @@ static void imc_dt_update_nest_node(struct dt_node *dev)
 	base_addr = malloc(sizeof(uint64_t) * nr_chip);
 	chipids = malloc(sizeof(uint32_t) * nr_chip);
 	for_each_chip(chip) {
-		base_addr[i] = chip->homer_base;
-		chipids[i] = chip->id;
+		base_addr[i] = cpu_to_be64(chip->homer_base);
+		chipids[i] = cpu_to_be32(chip->id);
 		i++;
 	}
 
diff --git a/hw/lpc.c b/hw/lpc.c
index 354d2b4f0..3411f036f 100644
--- a/hw/lpc.c
+++ b/hw/lpc.c
@@ -884,9 +884,9 @@ static void lpc_create_int_map(struct lpcm *lpc, struct dt_node *psi_node)
 			continue;
 		*(pmap++) = 0;
 		*(pmap++) = 0;
-		*(pmap++) = i;
-		*(pmap++) = psi_node->phandle;
-		*(pmap++) = lpc->sirq_routes[i] + P9_PSI_IRQ_LPC_SIRQ0;
+		*(pmap++) = cpu_to_be32(i);
+		*(pmap++) = cpu_to_be32(psi_node->phandle);
+		*(pmap++) = cpu_to_be32(lpc->sirq_routes[i] + P9_PSI_IRQ_LPC_SIRQ0);
 	}
 	if (pmap == map)
 		return;
diff --git a/hw/psi.c b/hw/psi.c
index bc170bbcf..3b497a092 100644
--- a/hw/psi.c
+++ b/hw/psi.c
@@ -786,10 +786,10 @@ static void psi_create_p9_int_map(struct psi *psi, struct dt_node *np)
 	int i;
 
 	for (i = 0; i < P9_PSI_NUM_IRQS; i++) {
-		map[i][0] = i;
-		map[i][1] = get_ics_phandle();
-		map[i][2] = psi->interrupt + i;
-		map[i][3] = 1;
+		map[i][0] = cpu_to_be32(i);
+		map[i][1] = cpu_to_be32(get_ics_phandle());
+		map[i][2] = cpu_to_be32(psi->interrupt + i);
+		map[i][3] = cpu_to_be32(1);
 	}
 	dt_add_property(np, "interrupt-map", map, sizeof(map));
 	dt_add_property_cells(np, "#address-cells", 0);
diff --git a/hw/vas.c b/hw/vas.c
index 212da0ec1..3c5ebc920 100644
--- a/hw/vas.c
+++ b/hw/vas.c
@@ -375,7 +375,7 @@ static struct vas *alloc_vas(uint32_t chip_id, uint32_t vas_id, uint64_t base)
 
 static void create_mm_dt_node(struct proc_chip *chip)
 {
-	int gcid;
+	uint32_t gcid, vas_id;
 	struct dt_node *dn;
 	struct vas *vas;
 	uint64_t hvwc_start, hvwc_len;
@@ -384,7 +384,8 @@ static void create_mm_dt_node(struct proc_chip *chip)
 	uint64_t pbf_start, pbf_nbits;
 
 	vas = chip->vas;
-	gcid = chip->id;
+	vas_id = cpu_to_be32(vas->vas_id);
+	gcid = cpu_to_be32(chip->id);
 	get_hvwc_mmio_bar(chip->id, &hvwc_start, &hvwc_len);
 	get_uwc_mmio_bar(chip->id, &uwc_start, &uwc_len);
 	get_paste_bar(chip->id, &pbar_start, &pbar_len);
@@ -400,7 +401,7 @@ static void create_mm_dt_node(struct proc_chip *chip)
 					pbar_start, pbar_len,
 					pbf_start, pbf_nbits);
 
-	dt_add_property(dn, "ibm,vas-id", &vas->vas_id, sizeof(vas->vas_id));
+	dt_add_property(dn, "ibm,vas-id", &vas_id, sizeof(vas_id));
 	dt_add_property(dn, "ibm,chip-id", &gcid, sizeof(gcid));
 }
 
-- 
2.23.0



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