diff options
Diffstat (limited to 'libgloss/sparc_leon/pnpinit_malloc.c')
| -rw-r--r-- | libgloss/sparc_leon/pnpinit_malloc.c | 679 |
1 files changed, 0 insertions, 679 deletions
diff --git a/libgloss/sparc_leon/pnpinit_malloc.c b/libgloss/sparc_leon/pnpinit_malloc.c deleted file mode 100644 index ed7640588..000000000 --- a/libgloss/sparc_leon/pnpinit_malloc.c +++ /dev/null @@ -1,679 +0,0 @@ -/* - * Copyright (c) 2011 Aeroflex Gaisler - * - * BSD license: - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - - -#include <asm-leon/amba.h> -#undef AMBA_TYPE_AHBIO_ADDR -#include <asm-leon/lambapp.h> -#include <string.h> - -#define AMBA_CONF_AREA 0xff000 -#define AMBA_AHB_SLAVE_CONF_AREA (1 << 11) -#define AMBA_APB_SLAVES 16 - -#define DPRINTF(p) printf p - -/* Allocate */ -struct ambapp_dev_hdr * -ambapp_alloc_dev_struct (int dev_type) -{ - int size = sizeof (struct ambapp_dev_hdr); - struct ambapp_dev_hdr *dev; - - if (dev_type == DEV_APB_SLV) - { - size += sizeof (struct ambapp_apb_info); - } - else - { - /* AHB */ - size += sizeof (struct ambapp_ahb_info); - } - dev = malloc (size); - if (dev == NULL) - return NULL; - memset (dev, 0, size); - dev->devinfo = (void *) (dev + 1); - dev->dev_type = dev_type; - return dev; -} - -unsigned int -ambapp_addr_from (struct ambapp_mmap *mmaps, unsigned int address) -{ - /* no translation? */ - if (!mmaps) - return address; - - while (mmaps->size) - { - if ((address >= mmaps->remote_adr) - && (address <= (mmaps->remote_adr + (mmaps->size - 1)))) - { - return (address - mmaps->remote_adr) + mmaps->local_adr; - } - mmaps++; - } - return 1; -} - -void -ambapp_ahb_dev_init (unsigned int ioarea, - struct ambapp_mmap *mmaps, - struct ambapp_pnp_ahb *ahb, struct ambapp_dev_hdr *dev) -{ - int bar; - struct ambapp_ahb_info *ahb_info; - unsigned int addr, mask, mbar; - - /* Setup device struct */ - dev->vendor = ambapp_pnp_vendor (ahb->id); - dev->device = ambapp_pnp_device (ahb->id); - ahb_info = dev->devinfo; - ahb_info->ver = ambapp_pnp_ver (ahb->id); - ahb_info->irq = ambapp_pnp_irq (ahb->id); - ahb_info->custom[0] = (unsigned int) ahb->custom[0]; - ahb_info->custom[1] = (unsigned int) ahb->custom[1]; - ahb_info->custom[2] = (unsigned int) ahb->custom[2]; - - DPRINTF (("+AHB device %d:%d\n", dev->device, dev->vendor)); - - /* Memory BARs */ - for (bar = 0; bar < 4; bar++) - { - mbar = ahb->mbar[bar]; - if (mbar == 0) - { - addr = 0; - mask = 0; - } - else - { - addr = ambapp_pnp_start (mbar); - if (ambapp_pnp_mbar_type (mbar) == AMBA_TYPE_AHBIO) - { - /* AHB I/O area is releative IO_AREA */ - addr = AMBA_TYPE_AHBIO_ADDR (addr, ioarea); - mask = - (((unsigned int) (ambapp_pnp_mbar_mask ((~mbar)) << 8) | - 0xff)) + 1; - } - else - { - /* AHB memory area, absolute address */ - addr = ambapp_addr_from (mmaps, addr); - mask = - (~((unsigned int) (ambapp_pnp_mbar_mask (mbar) << 20))) + 1; - } - } - ahb_info->start[bar] = addr; - ahb_info->mask[bar] = mask; - } -} - -void -ambapp_apb_dev_init (unsigned int base, - struct ambapp_mmap *mmaps, - struct ambapp_pnp_apb *apb, struct ambapp_dev_hdr *dev) -{ - struct ambapp_apb_info *apb_info; - - /* Setup device struct */ - dev->vendor = ambapp_pnp_vendor (apb->id); - dev->device = ambapp_pnp_device (apb->id); - apb_info = dev->devinfo; - apb_info->ver = ambapp_pnp_ver (apb->id); - apb_info->irq = ambapp_pnp_irq (apb->id); - apb_info->start = ambapp_pnp_apb_start (apb->iobar, base); - apb_info->mask = ambapp_pnp_apb_mask (apb->iobar); - - DPRINTF (("+APB device %d:%d\n", dev->device, dev->vendor)); - - -} - -#define MAX_NUM_BUSES 16 -void -ambapp_add_scanned_bus (unsigned int *ioareas, unsigned int ioarea) -{ - int i; - for (i = 0; i < MAX_NUM_BUSES; i++) - { - if (ioareas[i] == 0) - { - ioareas[i] = ioarea; - return; - } - } -} - -int -ambapp_has_been_scanned (unsigned int *ioareas, unsigned int ioarea) -{ - int i; - if (!ioareas) - return 0; - - for (i = 0; i < MAX_NUM_BUSES; i++) - { - if (ioareas[i] == 0) - { - break; - } - else if (ioareas[i] == ioarea) - { - return 1; - } - } - return 0; -} - -int -ambapp_scan (unsigned int ioarea, - struct ambapp_dev_hdr *parent, - struct ambapp_mmap *mmaps, - void *(*memfunc) (void *dest, const void *src, int n), - struct ambapp_dev_hdr **root, void *internal) -{ - struct ambapp_pnp_ahb *ahb, ahb_buf; - struct ambapp_pnp_apb *apb, apb_buf; - struct ambapp_dev_hdr *dev, *prev, *prevapb, *apbdev; - struct ambapp_ahb_info *ahb_info; - int maxloops = 64; - unsigned int apbbase, bridge_address; - int i, j; - - DPRINTF (("Scan at 0x%08x\n", ioarea)); - - /* Default to memcpy() */ - if (!memfunc) - memfunc = (void *(*)(void *dest, const void *src, int n)) memcpy; - - *root = NULL; - - if (parent) - { - /* scan first bus for 64 devices, rest for 16 devices */ - maxloops = 16; - } - else - { - DPRINTF (("+(malloc:")); - internal = malloc (sizeof (unsigned int) * MAX_NUM_BUSES); - DPRINTF (("0x%x)\n", internal)); - - if (!internal) - return -1; - memset (internal, 0, sizeof (unsigned int) * MAX_NUM_BUSES); - - ambapp_add_scanned_bus (internal, ioarea); - } - - prev = parent; - - /* AHB MASTERS */ - ahb = (struct ambapp_pnp_ahb *) (ioarea | AMBA_CONF_AREA); - for (i = 0; i < maxloops; i++) - { - memfunc (&ahb_buf, ahb, sizeof (struct ambapp_pnp_ahb)); - if (ahb_buf.id != 0) - { - /* A AHB device present here */ - dev = ambapp_alloc_dev_struct (DEV_AHB_MST); - if (!dev) - return -1; - - ambapp_ahb_dev_init (ioarea, mmaps, &ahb_buf, dev); - - if (*root == NULL) - *root = dev; - - if (prev != parent) - prev->next = dev; - dev->prev = prev; - prev = dev; - } - ahb++; - } - - /* AHB SLAVES */ - ahb = - (struct ambapp_pnp_ahb *) (ioarea | AMBA_CONF_AREA | - AMBA_AHB_SLAVE_CONF_AREA); - for (i = 0; i < maxloops; i++) - { - memfunc (&ahb_buf, ahb, sizeof (struct ambapp_pnp_ahb)); - if (ahb_buf.id != 0) - { - /* A AHB device present here */ - dev = ambapp_alloc_dev_struct (DEV_AHB_SLV); - if (!dev) - return -1; - - ambapp_ahb_dev_init (ioarea, mmaps, &ahb_buf, dev); - - if (prev != parent) - prev->next = dev; - dev->prev = prev; - prev = dev; - - /* Is it a AHB/AHB Bridge ? */ - if ((dev->device == GAISLER_AHB2AHB) - && (dev->vendor == VENDOR_GAISLER)) - { - /* AHB/AHB Bridge Found, recurse down the Bridge */ - ahb_info = dev->devinfo; - if (ahb_info->ver) - { - bridge_address = - ambapp_addr_from (mmaps, ahb_info->custom[1]); - - DPRINTF (("+(AHBAHB:0x%x)\n", bridge_address)); - - /* Makes sure bus only scanned once */ - if (ambapp_has_been_scanned (internal, bridge_address) == - NULL) - { - ambapp_add_scanned_bus (internal, bridge_address); - if (ambapp_scan - (bridge_address, dev, mmaps, memfunc, - &dev->children, internal)) - return -1; - } - } - } - else if ((dev->device == GAISLER_APBMST) - && (dev->vendor == VENDOR_GAISLER)) - { - /* AHB/APB Bridge Found, add the APB devices to this AHB Slave's children */ - prevapb = dev; - ahb_info = dev->devinfo; - apbbase = ahb_info->start[0]; - apb = (struct ambapp_pnp_apb *) (apbbase | AMBA_CONF_AREA); - for (j = 0; j < AMBA_APB_SLAVES; j++) - { - memfunc (&apb_buf, apb, sizeof (struct ambapp_pnp_apb)); - if (apb_buf.id) - { - apbdev = ambapp_alloc_dev_struct (DEV_APB_SLV); - if (!dev) - return -1; - - ambapp_apb_dev_init (apbbase, mmaps, &apb_buf, apbdev); - - if (prevapb != dev) - prevapb->next = apbdev; - else - dev->children = apbdev; - apbdev->prev = prevapb; - prevapb = apbdev; - } - apb++; - } - } - } - ahb++; - } - - if (parent == NULL) - { - free (internal); - } - - return 0; -} - -/* Match search options againt device */ -int -ambapp_dev_match_options (struct ambapp_dev_hdr *dev, unsigned int options, - int vendor, int device) -{ - if ((((options & (OPTIONS_ALL_DEVS)) == OPTIONS_ALL_DEVS) || /* Match TYPE */ - ((options & OPTIONS_AHB_MSTS) && (dev->dev_type == DEV_AHB_MST)) || ((options & OPTIONS_AHB_SLVS) && (dev->dev_type == DEV_AHB_SLV)) || ((options & OPTIONS_APB_SLVS) && (dev->dev_type == DEV_APB_SLV))) && ((vendor == -1) || (vendor == dev->vendor)) && /* Match ID */ - ((device == -1) || (device == dev->device)) && (((options & OPTIONS_ALL) == OPTIONS_ALL) || /* Match Allocated State */ - ((options & - OPTIONS_FREE) - && DEV_IS_FREE (dev)) - || - ((options & - OPTIONS_ALLOCATED) - && - DEV_IS_ALLOCATED - (dev)))) - { - return 1; - } - return 0; -} - -/* If device is an APB bridge all devices on the APB bridge is processed */ -static int -ambapp_for_each_apb (struct ambapp_dev_hdr *dev, - unsigned int options, - int vendor, - int device, int maxdepth, ambapp_func_t func, void *arg) -{ - int index; - struct ambapp_dev_hdr *apbslv; - - if (maxdepth < 0) - return 0; - - if (dev->children && (dev->children->dev_type == DEV_APB_SLV)) - { - /* Found a APB Bridge */ - index = 0; - apbslv = dev->children; - while (apbslv) - { - if (ambapp_dev_match_options (apbslv, options, vendor, device) == 1) - { - if (func (apbslv, index, maxdepth, arg) == 1) - return 1; /* Signalled stopped */ - } - index++; - apbslv = apbslv->next; - } - } - return 0; -} - -/* Traverse the prescanned device information */ -int -ambapp_for_each (struct ambapp_dev_hdr *root, - unsigned int options, - int vendor, - int device, int maxdepth, ambapp_func_t func, void *arg) -{ - struct ambapp_dev_hdr *dev; - int ahb_slave = 0; - int index; - - if (maxdepth < 0) - return 0; - - /* Start at device 'root' and process downwards. - * - * Breadth first search, search order - * 1. AHB MSTS - * 2. AHB SLVS - * 3. APB SLVS on primary bus - * 4. AHB/AHB secondary... -> step to 1. - */ - - /* AHB MST / AHB SLV */ - if (options & (OPTIONS_AHB_MSTS | OPTIONS_AHB_SLVS | OPTIONS_DEPTH_FIRST)) - { - index = 0; - dev = root; - while (dev) - { - if ((dev->dev_type == DEV_AHB_SLV) && !ahb_slave) - { - /* First AHB Slave */ - ahb_slave = 1; - index = 0; - } - - /* Conditions must be fullfilled for function to be called */ - if (ambapp_dev_match_options (dev, options, vendor, device) == 1) - { - /* Correct device and vendor ID */ - if (func (dev, index, maxdepth, arg) == 1) - return 1; /* Signalled stopped */ - } - - if ((options & OPTIONS_DEPTH_FIRST) && (options & OPTIONS_APB_SLVS)) - { - /* Check is APB bridge, and process all APB Slaves in that case */ - if (ambapp_for_each_apb - (dev, options, vendor, device, (maxdepth - 1), func, - arg) == 1) - return 1; /* Signalled stopped */ - } - - if (options & OPTIONS_DEPTH_FIRST) - { - if (dev->children && (dev->children->dev_type != DEV_APB_SLV)) - { - /* Found AHB Bridge, recurse */ - if (ambapp_for_each - (dev->children, options, vendor, device, (maxdepth - 1), - func, arg) == 1) - return 1; - } - } - - index++; - dev = dev->next; - } - } - - /* Find APB Bridges */ - if ((options & OPTIONS_APB_SLVS) && !(options & OPTIONS_DEPTH_FIRST)) - { - dev = root; - while (dev) - { - /* Check is APB bridge, and process all APB Slaves in that case */ - if (ambapp_for_each_apb - (dev, options, vendor, device, (maxdepth - 1), func, arg) == 1) - return 1; /* Signalled stopped */ - dev = dev->next; - } - } - - /* Find AHB Bridges */ - if (!(options & OPTIONS_DEPTH_FIRST)) - { - dev = root; - while (dev) - { - if (dev->children && (dev->children->dev_type != DEV_APB_SLV)) - { - /* Found AHB Bridge, recurse */ - if (ambapp_for_each - (dev->children, options, vendor, device, (maxdepth - 1), - func, arg) == 1) - return 1; - } - dev = dev->next; - } - } - - return 0; -} - -int -ambapp_alloc_dev (struct ambapp_dev_hdr *dev, void *owner) -{ - if (dev->owner) - return -1; - dev->owner = owner; - return 0; -} - -void -ambapp_free_dev (struct ambapp_dev_hdr *dev) -{ - dev->owner = NULL; -} - -struct ambapp_dev_find_match_arg -{ - int index; - int count; - int type; - void *dev; -}; - -/* AMBA PP find routines */ -int -ambapp_dev_find_match (struct ambapp_dev_hdr *dev, int index, int maxdepth, - void *arg) -{ - struct ambapp_dev_find_match_arg *p = arg; - - if (p->index == 0) - { - /* Found controller, stop */ - if (p->type == DEV_APB_SLV) - { - *(struct ambapp_apb_info *) p->dev = - *(struct ambapp_apb_info *) dev->devinfo; - p->dev = ((struct ambapp_apb_info *) p->dev) + 1; - } - else - { - *(struct ambapp_ahb_info *) p->dev = - *(struct ambapp_ahb_info *) dev->devinfo; - p->dev = ((struct ambapp_ahb_info *) p->dev) + 1; - } - p->count--; - if (p->count < 1) - return 1; - } - else - { - p->index--; - } - return 0; -} - -int -ambapp_find_apbslvs_next (struct ambapp_dev_hdr *root, int vendor, int device, - struct ambapp_apb_info *dev, int index, int maxno) -{ - struct ambapp_dev_find_match_arg arg; - - arg.index = index; - arg.count = maxno; - arg.type = DEV_APB_SLV; /* APB */ - arg.dev = dev; - - ambapp_for_each (root, (OPTIONS_ALL | OPTIONS_APB_SLVS), vendor, device, 10, - ambapp_dev_find_match, &arg); - - return maxno - arg.count; -} - -int -ambapp_find_apbslv (struct ambapp_dev_hdr *root, int vendor, int device, - struct ambapp_apb_info *dev) -{ - return ambapp_find_apbslvs_next (root, vendor, device, dev, 0, 1); -} - -int -ambapp_find_apbslv_next (struct ambapp_dev_hdr *root, int vendor, int device, - struct ambapp_apb_info *dev, int index) -{ - return ambapp_find_apbslvs_next (root, vendor, device, dev, index, 1); -} - -int -ambapp_find_apbslvs (struct ambapp_dev_hdr *root, int vendor, int device, - struct ambapp_apb_info *dev, int maxno) -{ - return ambapp_find_apbslvs_next (root, vendor, device, dev, 0, maxno); -} - -int -ambapp_find_ahbslvs_next (struct ambapp_dev_hdr *root, int vendor, int device, - struct ambapp_ahb_info *dev, int index, int maxno) -{ - struct ambapp_dev_find_match_arg arg; - - arg.index = index; - arg.count = maxno; - arg.type = DEV_AHB_SLV; /* AHB SLV */ - arg.dev = dev; - - ambapp_for_each (root, (OPTIONS_ALL | OPTIONS_AHB_SLVS), vendor, device, 10, - ambapp_dev_find_match, &arg); - - return maxno - arg.count; -} - -int -ambapp_find_ahbslv_next (struct ambapp_dev_hdr *root, int vendor, int device, - struct ambapp_ahb_info *dev, int index) -{ - return ambapp_find_ahbslvs_next (root, vendor, device, dev, index, 1); -} - -int -ambapp_find_ahbslv (struct ambapp_dev_hdr *root, int vendor, int device, - struct ambapp_ahb_info *dev) -{ - return ambapp_find_ahbslvs_next (root, vendor, device, dev, 0, 1); -} - -int -ambapp_find_ahbslvs (struct ambapp_dev_hdr *root, int vendor, int device, - struct ambapp_ahb_info *dev, int maxno) -{ - return ambapp_find_ahbslvs_next (root, vendor, device, dev, 0, maxno); -} - -struct ambapp_dev_hdr * -ambapp_find_parent (struct ambapp_dev_hdr *dev) -{ - while (dev->prev) - { - if (dev == dev->prev->children) - { - return dev->prev; - } - dev = dev->prev; - } - return NULL; -} - - -struct ambapp_dev_hdr *ambapp_root = NULL; -extern unsigned int console; -extern unsigned int rtc; - -void -pnpinit (void) -{ - struct ambapp_apb_info dev; - int n; - ambapp_scan (LEON3_IO_AREA, NULL, NULL, NULL, &ambapp_root, NULL); - if ((n = - ambapp_find_apbslv (ambapp_root, VENDOR_GAISLER, GAISLER_APBUART, - &dev)) == 1) - { - console = dev.start; - DPRINTF (("Found abuart at 0x%x\n", console)); - } - if ((n = - ambapp_find_apbslv (ambapp_root, VENDOR_GAISLER, GAISLER_GPTIMER, - &dev)) == 1) - { - rtc = dev.start + 0x10; - DPRINTF (("Found rtc at 0x%x\n", rtc)); - } -} |