Author: mw Date: Wed Apr 4 12:47:41 2018 New Revision: 332016 URL: https://svnweb.freebsd.org/changeset/base/332016
Log: Add api for creating resource list based on 'assigned-addresses' According to device tree binding 'assigned-addresses' can refer to PCIE MMIO register space. New function ofw_bus_assigned_addresses_to_rl is provided to support it. Submitted by: Rafal Kozik <r...@semihalf.com> Obtained from: Semihalf Sponsored by: Stormshield Differential Revision: https://reviews.freebsd.org/D14750 Modified: head/sys/dev/ofw/ofw_bus_subr.c head/sys/dev/ofw/ofw_bus_subr.h Modified: head/sys/dev/ofw/ofw_bus_subr.c ============================================================================== --- head/sys/dev/ofw/ofw_bus_subr.c Wed Apr 4 12:41:42 2018 (r332015) +++ head/sys/dev/ofw/ofw_bus_subr.c Wed Apr 4 12:47:41 2018 (r332016) @@ -489,9 +489,9 @@ ofw_bus_msimap(phandle_t node, uint16_t pci_rid, phand return (err); } -int -ofw_bus_reg_to_rl(device_t dev, phandle_t node, pcell_t acells, pcell_t scells, - struct resource_list *rl) +static int +ofw_bus_reg_to_rl_helper(device_t dev, phandle_t node, pcell_t acells, pcell_t scells, + struct resource_list *rl, const char *reg_source) { uint64_t phys, size; ssize_t i, j, rid, nreg, ret; @@ -506,7 +506,7 @@ ofw_bus_reg_to_rl(device_t dev, phandle_t node, pcell_ if (ret == -1) name = NULL; - ret = OF_getencprop_alloc(node, "reg", sizeof(*reg), (void **)®); + ret = OF_getencprop_alloc(node, reg_source, sizeof(*reg), (void **)®); nreg = (ret == -1) ? 0 : ret; if (nreg % (acells + scells) != 0) { @@ -535,6 +535,23 @@ ofw_bus_reg_to_rl(device_t dev, phandle_t node, pcell_ free(reg, M_OFWPROP); return (0); +} + +int +ofw_bus_reg_to_rl(device_t dev, phandle_t node, pcell_t acells, pcell_t scells, + struct resource_list *rl) +{ + + return (ofw_bus_reg_to_rl_helper(dev, node, acells, scells, rl, "reg")); +} + +int +ofw_bus_assigned_addresses_to_rl(device_t dev, phandle_t node, pcell_t acells, + pcell_t scells, struct resource_list *rl) +{ + + return (ofw_bus_reg_to_rl_helper(dev, node, acells, scells, + rl, "assigned-addresses")); } /* Modified: head/sys/dev/ofw/ofw_bus_subr.h ============================================================================== --- head/sys/dev/ofw/ofw_bus_subr.h Wed Apr 4 12:41:42 2018 (r332015) +++ head/sys/dev/ofw/ofw_bus_subr.h Wed Apr 4 12:47:41 2018 (r332016) @@ -95,6 +95,8 @@ int ofw_bus_msimap(phandle_t, uint16_t, phandle_t *, u /* Routines for parsing device-tree data into resource lists. */ int ofw_bus_reg_to_rl(device_t, phandle_t, pcell_t, pcell_t, struct resource_list *); +int ofw_bus_assigned_addresses_to_rl(device_t, phandle_t, pcell_t, pcell_t, + struct resource_list *); int ofw_bus_intr_to_rl(device_t, phandle_t, struct resource_list *, int *); int ofw_bus_intr_by_rid(device_t, phandle_t, int, phandle_t *, int *, pcell_t **); _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
