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-rw-r--r--cpu/leon3/ambapp.c359
1 files changed, 0 insertions, 359 deletions
diff --git a/cpu/leon3/ambapp.c b/cpu/leon3/ambapp.c
deleted file mode 100644
index efd41ae..0000000
--- a/cpu/leon3/ambapp.c
+++ /dev/null
@@ -1,359 +0,0 @@
-/* Gaisler AMBA Plug&Play bus scanning. Functions
- * ending on _nomem is inteded to be used only during
- * initialization, only registers are used (no ram).
- *
- * (C) Copyright 2007
- * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <command.h>
-#include <ambapp.h>
-
-#if defined(CONFIG_CMD_AMBAPP)
-extern void ambapp_print_apb(apbctrl_pp_dev * apb,
- ambapp_ahbdev * apbmst, int index);
-extern void ambapp_print_ahb(ahbctrl_pp_dev * ahb, int index);
-extern int ambapp_apb_print;
-extern int ambapp_ahb_print;
-#endif
-
-static int ambapp_apb_scan(unsigned int vendor, /* Plug&Play Vendor ID */
- unsigned int driver, /* Plug&Play Device ID */
- ambapp_apbdev * dev, /* Result(s) is placed here */
- int index, /* Index of device to start copying Plug&Play
- * info into dev
- */
- int max_cnt /* Maximal count that dev can hold, if dev
- * is NULL function will stop scanning after
- * max_cnt devices are found.
- */
- )
-{
- int i, cnt = 0;
- unsigned int apbmst_base;
- ambapp_ahbdev apbmst;
- apbctrl_pp_dev *apb;
-
- if (max_cnt == 0)
- return 0;
-
- /* Get AMBA APB Master */
- if (ambapp_ahbslv_first(VENDOR_GAISLER, GAISLER_APBMST, &apbmst) != 1) {
- return 0;
- }
-
- /* Get APB CTRL Plug&Play info area */
- apbmst_base = apbmst.address[0] & LEON3_IO_AREA;
- apb = (apbctrl_pp_dev *) (apbmst_base | LEON3_CONF_AREA);
-
- for (i = 0; i < LEON3_APB_SLAVES; i++) {
-#if defined(CONFIG_CMD_AMBAPP)
- if (ambapp_apb_print && amba_vendor(apb->conf)
- && amba_device(apb->conf)) {
- ambapp_print_apb(apb, &apbmst, i);
- }
-#endif
- if ((amba_vendor(apb->conf) == vendor) &&
- (amba_device(apb->conf) == driver) && ((index < 0)
- || (index-- == 0))) {
- /* Convert Plug&Play info into a more readable format */
- cnt++;
- if (dev) {
- dev->irq = amba_irq(apb->conf);
- dev->ver = amba_ver(apb->conf);
- dev->address =
- (apbmst_base |
- (((apb->
- bar & 0xfff00000) >> 12))) & (((apb->
- bar &
- 0x0000fff0)
- << 4) |
- 0xfff00000);
- dev++;
- }
- /* found max devices? */
- if (cnt >= max_cnt)
- return cnt;
- }
- /* Get next Plug&Play entry */
- apb++;
- }
- return cnt;
-}
-
-unsigned int ambapp_apb_next_nomem(register unsigned int vendor, /* Plug&Play Vendor ID */
- register unsigned int driver, /* Plug&Play Device ID */
- register int index)
-{
- register int i;
- register ahbctrl_pp_dev *apbmst;
- register apbctrl_pp_dev *apb;
- register unsigned int apbmst_base;
-
- /* APBMST is a AHB Slave */
- apbmst = ambapp_ahb_next_nomem(VENDOR_GAISLER, GAISLER_APBMST, 1, 0);
- if (!apbmst)
- return 0;
-
- apbmst_base = amba_membar_start(apbmst->bars[0]);
- if (amba_membar_type(apbmst->bars[0]) == AMBA_TYPE_AHBIO)
- apbmst_base = AMBA_TYPE_AHBIO_ADDR(apbmst_base);
- apbmst_base &= LEON3_IO_AREA;
-
- /* Find the vendor/driver device on the first APB bus */
- apb = (apbctrl_pp_dev *) (apbmst_base | LEON3_CONF_AREA);
-
- for (i = 0; i < LEON3_APB_SLAVES; i++) {
- if ((amba_vendor(apb->conf) == vendor) &&
- (amba_device(apb->conf) == driver) && ((index < 0)
- || (index-- == 0))) {
- /* Convert Plug&Play info info a more readable format */
- return (apbmst_base | (((apb->bar & 0xfff00000) >> 12)))
- & (((apb->bar & 0x0000fff0) << 4) | 0xfff00000);
- }
- /* Get next Plug&Play entry */
- apb++;
- }
- return 0;
-}
-
-/****************************** APB SLAVES ******************************/
-
-int ambapp_apb_count(unsigned int vendor, unsigned int driver)
-{
- return ambapp_apb_scan(vendor, driver, NULL, 0, LEON3_APB_SLAVES);
-}
-
-int ambapp_apb_first(unsigned int vendor,
- unsigned int driver, ambapp_apbdev * dev)
-{
- return ambapp_apb_scan(vendor, driver, dev, 0, 1);
-}
-
-int ambapp_apb_next(unsigned int vendor,
- unsigned int driver, ambapp_apbdev * dev, int index)
-{
- return ambapp_apb_scan(vendor, driver, dev, index, 1);
-}
-
-int ambapp_apbs_first(unsigned int vendor,
- unsigned int driver, ambapp_apbdev * dev, int max_cnt)
-{
- return ambapp_apb_scan(vendor, driver, dev, 0, max_cnt);
-}
-
-enum {
- AHB_SCAN_MASTER = 0,
- AHB_SCAN_SLAVE = 1
-};
-
-/* Scan AMBA Plug&Play bus for AMBA AHB Masters or AHB Slaves
- * for a certain matching Vendor and Device ID.
- *
- * Return number of devices found.
- *
- * Compact edition...
- */
-static int ambapp_ahb_scan(unsigned int vendor, /* Plug&Play Vendor ID */
- unsigned int driver, /* Plug&Play Device ID */
- ambapp_ahbdev * dev, /* Result(s) is placed here */
- int index, /* Index of device to start copying Plug&Play
- * info into dev
- */
- int max_cnt, /* Maximal count that dev can hold, if dev
- * is NULL function will stop scanning after
- * max_cnt devices are found.
- */
- int type /* Selectes what type of devices to scan.
- * 0=AHB Masters
- * 1=AHB Slaves
- */
- )
-{
- int i, j, cnt = 0, max_pp_devs;
- unsigned int addr;
- ahbctrl_info *info = (ahbctrl_info *) (LEON3_IO_AREA | LEON3_CONF_AREA);
- ahbctrl_pp_dev *ahb;
-
- if (max_cnt == 0)
- return 0;
-
- if (type == 0) {
- max_pp_devs = LEON3_AHB_MASTERS;
- ahb = info->masters;
- } else {
- max_pp_devs = LEON3_AHB_SLAVES;
- ahb = info->slaves;
- }
-
- for (i = 0; i < max_pp_devs; i++) {
-#if defined(CONFIG_CMD_AMBAPP)
- if (ambapp_ahb_print && amba_vendor(ahb->conf) &&
- amba_device(ahb->conf)) {
- ambapp_print_ahb(ahb, i);
- }
-#endif
- if ((amba_vendor(ahb->conf) == vendor) &&
- (amba_device(ahb->conf) == driver) &&
- ((index < 0) || (index-- == 0))) {
- /* Convert Plug&Play info info a more readable format */
- cnt++;
- if (dev) {
- dev->irq = amba_irq(ahb->conf);
- dev->ver = amba_ver(ahb->conf);
- dev->userdef[0] = ahb->userdef[0];
- dev->userdef[1] = ahb->userdef[1];
- dev->userdef[2] = ahb->userdef[2];
- for (j = 0; j < 4; j++) {
- addr = amba_membar_start(ahb->bars[j]);
- if (amba_membar_type(ahb->bars[j]) ==
- AMBA_TYPE_AHBIO)
- addr =
- AMBA_TYPE_AHBIO_ADDR(addr);
- dev->address[j] = addr;
- }
- dev++;
- }
- /* found max devices? */
- if (cnt >= max_cnt)
- return cnt;
- }
- /* Get next Plug&Play entry */
- ahb++;
- }
- return cnt;
-}
-
-unsigned int ambapp_ahb_get_info(ahbctrl_pp_dev * ahb, int info)
-{
- register unsigned int ret;
-
- if (!ahb)
- return 0;
-
- switch (info) {
- default:
- info = 0;
- case 0:
- case 1:
- case 2:
- case 3:
- /* Get Address from PnP Info */
- ret = amba_membar_start(ahb->bars[info]);
- if (amba_membar_type(ahb->bars[info]) == AMBA_TYPE_AHBIO)
- ret = AMBA_TYPE_AHBIO_ADDR(ret);
- return ret;
- }
- return 0;
-
-}
-
-ahbctrl_pp_dev *ambapp_ahb_next_nomem(register unsigned int vendor, /* Plug&Play Vendor ID */
- register unsigned int driver, /* Plug&Play Device ID */
- register unsigned int opts, /* 1=slave, 0=master */
- register int index)
-{
- register ahbctrl_pp_dev *ahb;
- register ahbctrl_info *info =
- (ahbctrl_info *) (LEON3_IO_AREA | LEON3_CONF_AREA);
- register int i;
- register int max_pp_devs;
-
- if (opts == 0) {
- max_pp_devs = LEON3_AHB_MASTERS;
- ahb = info->masters;
- } else {
- max_pp_devs = LEON3_AHB_SLAVES;
- ahb = info->slaves;
- }
-
- for (i = 0; i < max_pp_devs; i++) {
- if ((amba_vendor(ahb->conf) == vendor) &&
- (amba_device(ahb->conf) == driver) &&
- ((index < 0) || (index-- == 0))) {
- /* Convert Plug&Play info info a more readable format */
- return ahb;
- }
- /* Get next Plug&Play entry */
- ahb++;
- }
- return 0;
-}
-
-/****************************** AHB MASTERS ******************************/
-int ambapp_ahbmst_count(unsigned int vendor, unsigned int driver)
-{
- /* Get number of devices of this vendor&device ID */
- return ambapp_ahb_scan(vendor, driver, NULL, 0, LEON3_AHB_MASTERS,
- AHB_SCAN_MASTER);
-}
-
-int ambapp_ahbmst_first(unsigned int vendor, unsigned int driver,
- ambapp_ahbdev * dev)
-{
- /* find first device of this */
- return ambapp_ahb_scan(vendor, driver, dev, 0, 1, AHB_SCAN_MASTER);
-}
-
-int ambapp_ahbmst_next(unsigned int vendor,
- unsigned int driver, ambapp_ahbdev * dev, int index)
-{
- /* find first device of this */
- return ambapp_ahb_scan(vendor, driver, dev, index, 1, AHB_SCAN_MASTER);
-}
-
-int ambapp_ahbmsts_first(unsigned int vendor,
- unsigned int driver, ambapp_ahbdev * dev, int max_cnt)
-{
- /* find first device of this */
- return ambapp_ahb_scan(vendor, driver, dev, 0, max_cnt,
- AHB_SCAN_MASTER);
-}
-
-/****************************** AHB SLAVES ******************************/
-int ambapp_ahbslv_count(unsigned int vendor, unsigned int driver)
-{
- /* Get number of devices of this vendor&device ID */
- return ambapp_ahb_scan(vendor, driver, NULL, 0, LEON3_AHB_SLAVES,
- AHB_SCAN_SLAVE);
-}
-
-int ambapp_ahbslv_first(unsigned int vendor, unsigned int driver,
- ambapp_ahbdev * dev)
-{
- /* find first device of this */
- return ambapp_ahb_scan(vendor, driver, dev, 0, 1, AHB_SCAN_SLAVE);
-}
-
-int ambapp_ahbslv_next(unsigned int vendor,
- unsigned int driver, ambapp_ahbdev * dev, int index)
-{
- /* find first device of this */
- return ambapp_ahb_scan(vendor, driver, dev, index, 1, AHB_SCAN_SLAVE);
-}
-
-int ambapp_ahbslvs_first(unsigned int vendor,
- unsigned int driver, ambapp_ahbdev * dev, int max_cnt)
-{
- /* find first device of this */
- return ambapp_ahb_scan(vendor, driver, dev, 0, max_cnt, AHB_SCAN_SLAVE);
-}
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