Author: mw
Date: Wed Apr  4 13:01:14 2018
New Revision: 332019
URL: https://svnweb.freebsd.org/changeset/base/332019

Log:
  Match Marvell Armada38X PCIE ranges in dts with Linux
  
  If driver cannot determine ranges based on fdt, it will calculate
  them based on number and type of current port.
  
  Submitted by: Rafal Kozik <r...@semihalf.com>
  Obtained from: Semihalf
  Sponsored by: Stormshield
  Differential Revision: https://reviews.freebsd.org/D14752

Modified:
  head/sys/arm/mv/mv_pci.c
  head/sys/dts/arm/armada-380.dtsi
  head/sys/dts/arm/armada-385.dtsi

Modified: head/sys/arm/mv/mv_pci.c
==============================================================================
--- head/sys/arm/mv/mv_pci.c    Wed Apr  4 12:55:31 2018        (r332018)
+++ head/sys/arm/mv/mv_pci.c    Wed Apr  4 13:01:14 2018        (r332019)
@@ -100,6 +100,7 @@ struct mv_pci_range {
 };
 
 #define FDT_RANGES_CELLS       ((3 + 3 + 2) * 2)
+#define PCI_SPACE_LEN          0x00100000
 
 static void
 mv_pci_range_dump(struct mv_pci_range *range)
@@ -122,6 +123,7 @@ mv_pci_ranges_decode(phandle_t node, struct mv_pci_ran
        pcell_t *rangesptr;
        pcell_t cell0, cell1, cell2;
        int tuple_size, tuples, i, rv, offset_cells, len;
+       int  portid, is_io_space;
 
        /*
         * Retrieve 'ranges' property.
@@ -163,11 +165,14 @@ mv_pci_ranges_decode(phandle_t node, struct mv_pci_ran
                rangesptr++;
                cell2 = fdt_data_get((void *)rangesptr, 1);
                rangesptr++;
+               portid = fdt_data_get((void *)(rangesptr+1), 1);
 
                if (cell0 & 0x02000000) {
                        pci_space = mem_space;
+                       is_io_space = 0;
                } else if (cell0 & 0x01000000) {
                        pci_space = io_space;
+                       is_io_space = 1;
                } else {
                        rv = ERANGE;
                        goto out;
@@ -198,6 +203,12 @@ mv_pci_ranges_decode(phandle_t node, struct mv_pci_ran
                rangesptr += size_cells;
 
                pci_space->base_pci = cell2;
+
+               if (pci_space->len == 0) {
+                       pci_space->len = PCI_SPACE_LEN;
+                       pci_space->base_parent = fdt_immr_va +
+                           PCI_SPACE_LEN * ( 2 * portid + is_io_space);
+               }
        }
        rv = 0;
 out:

Modified: head/sys/dts/arm/armada-380.dtsi
==============================================================================
--- head/sys/dts/arm/armada-380.dtsi    Wed Apr  4 12:55:31 2018        
(r332018)
+++ head/sys/dts/arm/armada-380.dtsi    Wed Apr  4 13:01:14 2018        
(r332019)
@@ -103,8 +103,8 @@
                                #address-cells = <3>;
                                #size-cells = <2>;
                                #interrupt-cells = <1>;
-                               ranges = <0x82000000 0x0 0x0 0x82000000 0x0 
0xf1200000 0x0 0x00100000
-                                         0x81000000 0x0 0x0 0x81000000 0x0 
0xf1300000 0x0 0x00100000>;
+                               ranges = <0x82000000 0 0 0x82000000 0x1 0 1 0
+                                         0x81000000 0 0 0x81000000 0x1 0 1 0>;
                                interrupt-map-mask = <0 0 0 0>;
                                interrupt-map = <0 0 0 0 &gic GIC_SPI 29 
IRQ_TYPE_LEVEL_HIGH>;
                                interrupt-parent = <&gic>;
@@ -122,8 +122,8 @@
                                #address-cells = <3>;
                                #size-cells = <2>;
                                #interrupt-cells = <1>;
-                               ranges = <0x82000000 0x0 0x0 0x82000000 0x0 
0xf1400000 0x0 0x00100000
-                                         0x81000000 0x0 0x0 0x81000000 0x0 
0xf1500000 0x0 0x00100000>;
+                               ranges = <0x82000000 0 0 0x82000000 0x2 0 1 0
+                                         0x81000000 0 0 0x81000000 0x2 0 1 0>;
                                interrupt-map-mask = <0 0 0 0>;
                                interrupt-map = <0 0 0 0 &gic GIC_SPI 33 
IRQ_TYPE_LEVEL_HIGH>;
                                interrupt-parent = <&gic>;
@@ -141,8 +141,8 @@
                                #address-cells = <3>;
                                #size-cells = <2>;
                                #interrupt-cells = <1>;
-                               ranges = <0x82000000 0x0 0x0 0x82000000 0x0 
0xf1600000 0x0 0x00100000
-                                         0x81000000 0x0 0x0 0x81000000 0x0 
0xf1700000 0x0 0x00100000>;
+                               ranges = <0x82000000 0 0 0x82000000 0x3 0 1 0
+                                         0x81000000 0 0 0x81000000 0x3 0 1 0>;
                                interrupt-map-mask = <0 0 0 0>;
                                interrupt-map = <0 0 0 0 &gic GIC_SPI 70 
IRQ_TYPE_LEVEL_HIGH>;
                                interrupt-parent = <&gic>;

Modified: head/sys/dts/arm/armada-385.dtsi
==============================================================================
--- head/sys/dts/arm/armada-385.dtsi    Wed Apr  4 12:55:31 2018        
(r332018)
+++ head/sys/dts/arm/armada-385.dtsi    Wed Apr  4 13:01:14 2018        
(r332019)
@@ -115,8 +115,8 @@
                                #address-cells = <3>;
                                #size-cells = <2>;
                                #interrupt-cells = <1>;
-                               ranges = <0x82000000 0x0 0x0 0x82000000 0x0 
0xf1200000 0x0 0x00100000
-                                         0x81000000 0x0 0x0 0x81000000 0x0 
0xf1300000 0x0 0x00100000>;
+                               ranges = <0x82000000 0 0 0x82000000 0x1 0 1 0
+                                         0x81000000 0 0 0x81000000 0x1 0 1 0>;
                                interrupt-map-mask = <0 0 0 0>;
                                interrupt-map = <0 0 0 0 &gic GIC_SPI 29 
IRQ_TYPE_LEVEL_HIGH>;
                                marvell,pcie-port = <0>;
@@ -133,8 +133,8 @@
                                #address-cells = <3>;
                                #size-cells = <2>;
                                #interrupt-cells = <1>;
-                               ranges = <0x82000000 0x0 0x0 0x82000000 0x0 
0xf1400000 0x0 0x00100000
-                                         0x81000000 0x0 0x0 0x81000000 0x0 
0xf1500000 0x0 0x00100000>;
+                               ranges = <0x82000000 0 0 0x82000000 0x2 0 1 0
+                                         0x81000000 0 0 0x81000000 0x2 0 1 0>;
                                interrupt-map-mask = <0 0 0 0>;
                                interrupt-map = <0 0 0 0 &gic GIC_SPI 33 
IRQ_TYPE_LEVEL_HIGH>;
                                marvell,pcie-port = <1>;
@@ -151,8 +151,8 @@
                                #address-cells = <3>;
                                #size-cells = <2>;
                                #interrupt-cells = <1>;
-                               ranges = <0x82000000 0x0 0x0 0x82000000 0x0 
0xf1600000 0x0 0x00100000
-                                         0x81000000 0x0 0x0 0x81000000 0x0 
0xf1700000 0x0 0x00100000>;
+                               ranges = <0x82000000 0 0 0x82000000 0x3 0 1 0
+                                         0x81000000 0 0 0x81000000 0x3 0 1 0>;
                                interrupt-map-mask = <0 0 0 0>;
                                interrupt-map = <0 0 0 0 &gic GIC_SPI 70 
IRQ_TYPE_LEVEL_HIGH>;
                                marvell,pcie-port = <2>;
@@ -172,8 +172,8 @@
                                #address-cells = <3>;
                                #size-cells = <2>;
                                #interrupt-cells = <1>;
-                               ranges = <0x82000000 0x0 0x0 0x82000000 0x0 
0xf1800000 0x0 0x00100000
-                                         0x81000000 0x0 0x0 0x81000000 0x0 
0xf1900000 0x0 0x00100000>;
+                               ranges = <0x82000000 0 0 0x82000000 0x4 0 1 0
+                                         0x81000000 0 0 0x81000000 0x4 0 1 0>;
                                interrupt-map-mask = <0 0 0 0>;
                                interrupt-map = <0 0 0 0 &gic GIC_SPI 71 
IRQ_TYPE_LEVEL_HIGH>;
                                marvell,pcie-port = <3>;
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