Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / esd / vme8349 / caddy.c

diff --git a/qemu/roms/u-boot/board/esd/vme8349/caddy.c b/qemu/roms/u-boot/board/esd/vme8349/caddy.c
new file mode 100644 (file)
index 0000000..cd56bed
--- /dev/null
+++ b/qemu/roms/u-boot/board/esd/vme8349/caddy.c
@@ -0,0 +1,177 @@
+/*
+ * caddy.c -- esd VME8349 support for "missing" access modes in TSI148.
+ * Copyright (c) 2009 esd gmbh.
+ *
+ * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <ioports.h>
+#include <mpc83xx.h>
+#include <asm/mpc8349_pci.h>
+#include <pci.h>
+#include <asm/mmu.h>
+#include <asm/io.h>
+
+#include "caddy.h"
+
+static struct caddy_interface *caddy_interface;
+
+void generate_answer(struct caddy_cmd *cmd, uint32_t status, uint32_t *result)
+{
+       struct caddy_answer *answer;
+       uint32_t ptr;
+
+       answer = &caddy_interface->answer[caddy_interface->answer_in];
+       memset((void *)answer, 0, sizeof(struct caddy_answer));
+       answer->answer = cmd->cmd;
+       answer->issue = cmd->issue;
+       answer->status = status;
+       memcpy(answer->par, result, 5 * sizeof(result[0]));
+       ptr = caddy_interface->answer_in + 1;
+       ptr = ptr & (ANSWER_SIZE - 1);
+       if (ptr != caddy_interface->answer_out)
+               caddy_interface->answer_in = ptr;
+}
+
+int do_caddy(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+       unsigned long base_addr;
+       uint32_t ptr;
+       struct caddy_cmd *caddy_cmd;
+       uint32_t result[5];
+       uint16_t data16;
+       uint8_t data8;
+       uint32_t status;
+       pci_dev_t dev;
+       void *pci_ptr;
+
+       if (argc < 2) {
+               puts("Missing parameter\n");
+               return 1;
+       }
+
+       base_addr = simple_strtoul(argv[1], NULL, 16);
+       caddy_interface = (struct caddy_interface *) base_addr;
+
+       memset((void *)caddy_interface, 0, sizeof(struct caddy_interface));
+       memcpy((void *)&caddy_interface->magic[0], &CADDY_MAGIC, 16);
+
+       while (ctrlc() == 0) {
+               if (caddy_interface->cmd_in != caddy_interface->cmd_out) {
+                       memset(result, 0, 5 * sizeof(result[0]));
+                       status = 0;
+                       caddy_cmd = &caddy_interface->cmd[caddy_interface->cmd_out];
+                       pci_ptr = (void *)CONFIG_SYS_PCI1_IO_PHYS +
+                               (caddy_cmd->addr & 0x001fffff);
+
+                       switch (caddy_cmd->cmd) {
+                       case CADDY_CMD_IO_READ_8:
+                               result[0] = in_8(pci_ptr);
+                               break;
+
+                       case CADDY_CMD_IO_READ_16:
+                               result[0] = in_be16(pci_ptr);
+                               break;
+
+                       case CADDY_CMD_IO_READ_32:
+                               result[0] = in_be32(pci_ptr);
+                               break;
+
+                       case CADDY_CMD_IO_WRITE_8:
+                               data8 = caddy_cmd->par[0] & 0x000000ff;
+                               out_8(pci_ptr, data8);
+                               break;
+
+                       case CADDY_CMD_IO_WRITE_16:
+                               data16 = caddy_cmd->par[0] & 0x0000ffff;
+                               out_be16(pci_ptr, data16);
+                               break;
+
+                       case CADDY_CMD_IO_WRITE_32:
+                               out_be32(pci_ptr, caddy_cmd->par[0]);
+                               break;
+
+                       case CADDY_CMD_CONFIG_READ_8:
+                               dev = PCI_BDF(caddy_cmd->par[0],
+                                             caddy_cmd->par[1],
+                                             caddy_cmd->par[2]);
+                               status = pci_read_config_byte(dev,
+                                                             caddy_cmd->addr,
+                                                             &data8);
+                               result[0] = data8;
+                               break;
+
+                       case CADDY_CMD_CONFIG_READ_16:
+                               dev = PCI_BDF(caddy_cmd->par[0],
+                                             caddy_cmd->par[1],
+                                             caddy_cmd->par[2]);
+                               status = pci_read_config_word(dev,
+                                                             caddy_cmd->addr,
+                                                             &data16);
+                               result[0] = data16;
+                               break;
+
+                       case CADDY_CMD_CONFIG_READ_32:
+                               dev = PCI_BDF(caddy_cmd->par[0],
+                                             caddy_cmd->par[1],
+                                             caddy_cmd->par[2]);
+                               status = pci_read_config_dword(dev,
+                                                              caddy_cmd->addr,
+                                                              &result[0]);
+                               break;
+
+                       case CADDY_CMD_CONFIG_WRITE_8:
+                               dev = PCI_BDF(caddy_cmd->par[0],
+                                             caddy_cmd->par[1],
+                                             caddy_cmd->par[2]);
+                               data8 = caddy_cmd->par[3] & 0x000000ff;
+                               status = pci_write_config_byte(dev,
+                                                              caddy_cmd->addr,
+                                                              data8);
+                               break;
+
+                       case CADDY_CMD_CONFIG_WRITE_16:
+                               dev = PCI_BDF(caddy_cmd->par[0],
+                                             caddy_cmd->par[1],
+                                             caddy_cmd->par[2]);
+                               data16 = caddy_cmd->par[3] & 0x0000ffff;
+                               status = pci_write_config_word(dev,
+                                                              caddy_cmd->addr,
+                                                              data16);
+                               break;
+
+                       case CADDY_CMD_CONFIG_WRITE_32:
+                               dev = PCI_BDF(caddy_cmd->par[0],
+                                             caddy_cmd->par[1],
+                                             caddy_cmd->par[2]);
+                               status = pci_write_config_dword(dev,
+                                                               caddy_cmd->addr,
+                                                               caddy_cmd->par[3]);
+                               break;
+
+                       default:
+                               status = 0xffffffff;
+                               break;
+                       }
+
+                       generate_answer(caddy_cmd, status, &result[0]);
+
+                       ptr = caddy_interface->cmd_out + 1;
+                       ptr = ptr & (CMD_SIZE - 1);
+                       caddy_interface->cmd_out = ptr;
+               }
+
+               caddy_interface->heartbeat++;
+       }
+
+       return 0;
+}
+
+U_BOOT_CMD(
+       caddy,  2,      0,      do_caddy,
+       "Start Caddy server.",
+       "Start Caddy server with Data structure a given addr\n"
+       );