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-rw-r--r--common/cmd_ambapp.c278
1 files changed, 278 insertions, 0 deletions
diff --git a/common/cmd_ambapp.c b/common/cmd_ambapp.c
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+++ b/common/cmd_ambapp.c
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+/*
+ * (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
+ */
+
+/*
+ * AMBA Plug&Play information list command
+ *
+ */
+#include <common.h>
+#include <command.h>
+#include <ambapp.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* We put these variables into .data section so that they are zero
+ * when entering the AMBA Plug & Play routines (in cpu/cpu/ambapp.c)
+ * the first time. BSS is not garantueed to be zero since BSS
+ * hasn't been cleared the first times entering the CPU AMBA functions.
+ *
+ * The AMBA PnP routines call these functions if ambapp_???_print is set.
+ *
+ */
+int ambapp_apb_print __attribute__ ((section(".data"))) = 0;
+int ambapp_ahb_print __attribute__ ((section(".data"))) = 0;
+
+typedef struct {
+ int device_id;
+ char *name;
+} ambapp_device_name;
+
+static ambapp_device_name gaisler_devices[] = {
+ {GAISLER_LEON3, "GAISLER_LEON3"},
+ {GAISLER_LEON3DSU, "GAISLER_LEON3DSU"},
+ {GAISLER_ETHAHB, "GAISLER_ETHAHB"},
+ {GAISLER_ETHMAC, "GAISLER_ETHMAC"},
+ {GAISLER_APBMST, "GAISLER_APBMST"},
+ {GAISLER_AHBUART, "GAISLER_AHBUART"},
+ {GAISLER_SRCTRL, "GAISLER_SRCTRL"},
+ {GAISLER_SDCTRL, "GAISLER_SDCTRL"},
+ {GAISLER_APBUART, "GAISLER_APBUART"},
+ {GAISLER_IRQMP, "GAISLER_IRQMP"},
+ {GAISLER_AHBRAM, "GAISLER_AHBRAM"},
+ {GAISLER_GPTIMER, "GAISLER_GPTIMER"},
+ {GAISLER_PCITRG, "GAISLER_PCITRG"},
+ {GAISLER_PCISBRG, "GAISLER_PCISBRG"},
+ {GAISLER_PCIFBRG, "GAISLER_PCIFBRG"},
+ {GAISLER_PCITRACE, "GAISLER_PCITRACE"},
+ {GAISLER_AHBTRACE, "GAISLER_AHBTRACE"},
+ {GAISLER_ETHDSU, "GAISLER_ETHDSU"},
+ {GAISLER_PIOPORT, "GAISLER_PIOPORT"},
+ {GAISLER_AHBJTAG, "GAISLER_AHBJTAG"},
+ {GAISLER_ATACTRL, "GAISLER_ATACTRL"},
+ {GAISLER_VGA, "GAISLER_VGA"},
+ {GAISLER_KBD, "GAISLER_KBD"},
+ {GAISLER_L2TIME, "GAISLER_L2TIME"},
+ {GAISLER_L2C, "GAISLER_L2C"},
+ {GAISLER_PLUGPLAY, "GAISLER_PLUGPLAY"},
+ {GAISLER_SPW, "GAISLER_SPW"},
+ {GAISLER_SPW2, "GAISLER_SPW2"},
+ {GAISLER_EHCI, "GAISLER_EHCI"},
+ {GAISLER_UHCI, "GAISLER_UHCI"},
+ {GAISLER_AHBSTAT, "GAISLER_AHBSTAT"},
+ {GAISLER_DDR2SPA, "GAISLER_DDR2SPA"},
+ {GAISLER_DDRSPA, "GAISLER_DDRSPA"},
+ {0, NULL}
+};
+
+static ambapp_device_name esa_devices[] = {
+ {ESA_LEON2, "ESA_LEON2"},
+ {ESA_MCTRL, "ESA_MCTRL"},
+ {0, NULL}
+};
+
+static ambapp_device_name opencores_devices[] = {
+ {OPENCORES_PCIBR, "OPENCORES_PCIBR"},
+ {OPENCORES_ETHMAC, "OPENCORES_ETHMAC"},
+ {0, NULL}
+};
+
+typedef struct {
+ unsigned int vendor_id;
+ char *name;
+ ambapp_device_name *devices;
+} ambapp_vendor_devnames;
+
+static ambapp_vendor_devnames vendors[] = {
+ {VENDOR_GAISLER, "VENDOR_GAISLER", gaisler_devices},
+ {VENDOR_ESA, "VENDOR_ESA", esa_devices},
+ {VENDOR_OPENCORES, "VENDOR_OPENCORES", opencores_devices},
+ {0, NULL, 0}
+};
+
+static char *ambapp_get_devname(ambapp_device_name * devs, int id)
+{
+ if (!devs)
+ return NULL;
+
+ while (devs->device_id > 0) {
+ if (devs->device_id == id)
+ return devs->name;
+ devs++;
+ }
+ return NULL;
+}
+
+char *ambapp_device_id2str(int vendor, int id)
+{
+ ambapp_vendor_devnames *ven = &vendors[0];
+
+ while (ven->vendor_id > 0) {
+ if (ven->vendor_id == vendor) {
+ return ambapp_get_devname(ven->devices, id);
+ }
+ ven++;
+ }
+ return NULL;
+}
+
+char *ambapp_vendor_id2str(int vendor)
+{
+ ambapp_vendor_devnames *ven = &vendors[0];
+
+ while (ven->vendor_id > 0) {
+ if (ven->vendor_id == vendor) {
+ return ven->name;
+ }
+ ven++;
+ }
+ return NULL;
+}
+
+static char *unknown = "unknown";
+
+/* Print one APB device */
+void ambapp_print_apb(apbctrl_pp_dev * apb, ambapp_ahbdev * apbmst, int index)
+{
+ char *dev_str, *ven_str;
+ int irq, ver, vendor, deviceid;
+ unsigned int address, apbmst_base, mask;
+
+ vendor = amba_vendor(apb->conf);
+ deviceid = amba_device(apb->conf);
+ irq = amba_irq(apb->conf);
+ ver = amba_ver(apb->conf);
+ apbmst_base = apbmst->address[0] & LEON3_IO_AREA;
+ address = (apbmst_base | (((apb->bar & 0xfff00000) >> 12))) &
+ (((apb->bar & 0x0000fff0) << 4) | 0xfff00000);
+
+ mask = amba_membar_mask(apb->bar) << 8;
+ mask = ((~mask) & 0x000fffff) + 1;
+
+ ven_str = ambapp_vendor_id2str(vendor);
+ if (!ven_str) {
+ ven_str = unknown;
+ dev_str = unknown;
+ } else {
+ dev_str = ambapp_device_id2str(vendor, deviceid);
+ if (!dev_str)
+ dev_str = unknown;
+ }
+
+ printf("0x%02x:0x%02x:0x%02x: %s %s\n"
+ " apb: 0x%08x - 0x%08x\n"
+ " irq: %-2d (ver: %-2d)\n",
+ index, vendor, deviceid, ven_str, dev_str, address,
+ address + mask, irq, ver);
+}
+
+void ambapp_print_ahb(ahbctrl_pp_dev * ahb, int index)
+{
+ char *dev_str, *ven_str;
+ int irq, ver, vendor, deviceid;
+ unsigned int addr, mask;
+ int j;
+
+ vendor = amba_vendor(ahb->conf);
+ deviceid = amba_device(ahb->conf);
+ irq = amba_irq(ahb->conf);
+ ver = amba_ver(ahb->conf);
+
+ ven_str = ambapp_vendor_id2str(vendor);
+ if (!ven_str) {
+ ven_str = unknown;
+ dev_str = unknown;
+ } else {
+ dev_str = ambapp_device_id2str(vendor, deviceid);
+ if (!dev_str)
+ dev_str = unknown;
+ }
+
+ printf("0x%02x:0x%02x:0x%02x: %s %s\n",
+ index, vendor, deviceid, ven_str, dev_str);
+
+ for (j = 0; j < 4; j++) {
+ addr = amba_membar_start(ahb->bars[j]);
+ if (amba_membar_type(ahb->bars[j]) == 0)
+ continue;
+ if (amba_membar_type(ahb->bars[j]) == AMBA_TYPE_AHBIO)
+ addr = AMBA_TYPE_AHBIO_ADDR(addr);
+ mask = amba_membar_mask(ahb->bars[j]) << 20;
+ printf(" mem: 0x%08x - 0x%08x\n", addr, addr + ((~mask) + 1));
+ }
+
+ printf(" irq: %-2d (ver: %d)\n", irq, ver);
+}
+
+int do_ambapp_print(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+
+ /* Print AHB Masters */
+ puts("--------- AHB Masters ---------\n");
+ ambapp_apb_print = 0;
+ ambapp_ahb_print = 1;
+ ambapp_ahbmst_count(99, 99); /* Get vendor&device 99 = nonexistent... */
+
+ /* Print AHB Slaves */
+ puts("--------- AHB Slaves ---------\n");
+ ambapp_ahbslv_count(99, 99); /* Get vendor&device 99 = nonexistent... */
+
+ /* Print APB Slaves */
+ puts("--------- APB Slaves ---------\n");
+ ambapp_apb_print = 1;
+ ambapp_ahb_print = 0;
+ ambapp_apb_count(99, 99); /* Get vendor&device 99 = nonexistent... */
+
+ /* Reset, no futher printing */
+ ambapp_apb_print = 0;
+ ambapp_ahb_print = 0;
+ puts("\n");
+ return 0;
+}
+
+int ambapp_init_reloc(void)
+{
+ ambapp_vendor_devnames *vend = vendors;
+ ambapp_device_name *dev;
+
+ while (vend->vendor_id && vend->name) {
+ vend->name = (char *)((unsigned int)vend->name + gd->reloc_off);
+ vend->devices =
+ (ambapp_device_name *) ((unsigned int)vend->devices +
+ gd->reloc_off);;
+ dev = vend->devices;
+ vend++;
+ if (!dev)
+ continue;
+ while (dev->device_id && dev->name) {
+ dev->name =
+ (char *)((unsigned int)dev->name + gd->reloc_off);;
+ dev++;
+ }
+ }
+ return 0;
+}
+
+U_BOOT_CMD(ambapp, 1, 1, do_ambapp_print,
+ "ambapp - list AMBA Plug&Play information\n",
+ "ambapp\n"
+ " - lists AMBA (AHB & APB) Plug&Play devices present on the system\n");
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