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authorIngo Albrecht2010-02-28 20:17:41 +0100
committerHarald Welte2010-03-07 12:03:55 +0100
commit6573353f5ef324ee9e8e3d11370c37f14f718930 (patch)
treec813cc3ad1bbe926cdd99d74c4a0d395633e9e69 /src/target/firmware/apps
parentRenamed layer2_connection -> tool_connection. (diff)
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Skeleton of bootloader.
Diffstat (limited to 'src/target/firmware/apps')
-rw-r--r--src/target/firmware/apps/loader/main.c229
-rw-r--r--src/target/firmware/apps/loader/protocol.h6
2 files changed, 235 insertions, 0 deletions
diff --git a/src/target/firmware/apps/loader/main.c b/src/target/firmware/apps/loader/main.c
new file mode 100644
index 0000000..777a1df
--- /dev/null
+++ b/src/target/firmware/apps/loader/main.c
@@ -0,0 +1,229 @@
+/* boot loader for Calypso phones */
+
+/* (C) 2010 by Ingo Albrecht <prom@berlin.ccc.de>
+ *
+ * All Rights Reserved
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <gsm.h>
+#include <debug.h>
+#include <memory.h>
+#include <rffe.h>
+#include <keypad.h>
+#include <board.h>
+#include <console.h>
+
+#include <abb/twl3025.h>
+#include <display/st7558.h>
+#include <rf/trf6151.h>
+
+#include <comm/sercomm.h>
+
+#include <calypso/clock.h>
+#include <calypso/tpu.h>
+#include <calypso/tsp.h>
+#include <calypso/irq.h>
+#include <calypso/misc.h>
+#include <calypso/uart.h>
+#include <calypso/timer.h>
+
+#include <layer1/sync.h>
+#include <layer1/tpu_window.h>
+
+#include <machine/endian.h>
+
+#include "protocol.h"
+
+struct loader_mem_read {
+ uint8_t cmd;
+ uint8_t nbytes;
+ uint32_t address;
+ uint8_t data[0];
+} __attribute__((__packed__));
+
+uint32_t htonl(uint32_t hostlong) {
+#if BYTE_ORDER==LITTLE_ENDIAN
+ return (hostlong>>24) | ((hostlong&0xff0000)>>8) |
+ ((hostlong&0xff00)<<8) | (hostlong<<24);
+#else
+ return hostlong;
+#endif
+}
+
+uint32_t ntohl(uint32_t hostlong) __attribute__((weak,alias("htonl")));
+
+uint16_t htons(uint16_t hostshort) {
+#if BYTE_ORDER==LITTLE_ENDIAN
+ return ((hostshort>>8)&0xff) | (hostshort<<8);
+#else
+ return hostshort;
+#endif
+}
+
+uint16_t ntohs(uint16_t hostshort) __attribute__((weak,alias("htons")));
+
+#define SCAN
+
+#ifdef SCAN
+/* if scanning is enabled, scan from 0 ... 124 */
+#define BASE_ARFCN 0
+#else
+/* fixed ARFCN in GSM1800 at which Harald has his GSM test license */
+#define BASE_ARFCN 871
+#endif
+
+/* FIXME: We need proper calibrated delay loops at some point! */
+void delay_us(unsigned int us)
+{
+ volatile unsigned int i;
+
+ for (i= 0; i < us*4; i++) { i; }
+}
+
+void delay_ms(unsigned int ms)
+{
+ volatile unsigned int i;
+
+ for (i= 0; i < ms*1300; i++) { i; }
+}
+
+/* Main Program */
+const char *hr = "======================================================================\n";
+
+static void key_handler(enum key_codes code, enum key_states state);
+static void cmd_handler(uint8_t dlci, struct msgb *msg);
+
+int flag = 0;
+
+void poweroff(void) {
+ unsigned i;
+ for(i = 0; i < 10; i++) {
+ uart_poll(SERCOMM_UART_NR);
+ delay_ms(10);
+ }
+ twl3025_power_off();
+}
+
+int main(void)
+{
+ /* Always disable wdt (some platforms enable it on boot) */
+ wdog_enable(0);
+
+ /* Initialize TWL3025 for power control */
+ twl3025_init();
+
+ /* Initialize UART without interrupts */
+ uart_init(SERCOMM_UART_NR, 0);
+ uart_baudrate(SERCOMM_UART_NR, UART_115200);
+
+ /* Initialize HDLC subsystem */
+ sercomm_init();
+
+ /* Say hi */
+ puts("\n\nOSMOCOM Calypso loader\n");
+ puts(hr);
+
+ /* Set up a key handler for powering off */
+ keypad_set_handler(&key_handler);
+
+ /* Set up loader communications */
+ sercomm_register_rx_cb(SC_DLCI_LOADER, &cmd_handler);
+
+ /* Wait for events */
+ while (1) {
+ keypad_poll();
+ uart_poll(SERCOMM_UART_NR);
+ }
+
+ /* NOT REACHED */
+
+ twl3025_power_off();
+}
+
+static void cmd_handler(uint8_t dlci, struct msgb *msg) {
+ if(msg->data_len < 1) {
+ return;
+ }
+
+ uint8_t command = 0; //= msgb_get_u8(msg);
+
+ printf("command %u\n", command);
+
+ msgb_free(msg);
+
+ return;
+
+ uint8_t nbytes;
+ uint32_t address;
+
+ struct msgb *reply;
+
+ switch(command) {
+
+ case LOADER_PING:
+
+ printf("ping\n");
+
+ //sercomm_sendmsg(dlci, msg);
+ //msg = NULL;
+
+ break;
+
+ case LOADER_MEM_READ:
+
+ nbytes = msgb_get_u8(msg);
+ address = msgb_get_u32(msg);
+
+ printf("mem read %u @ %p\n", nbytes, (void*)address);
+
+ reply = sercomm_alloc_msgb(6 + nbytes);
+
+ msgb_put_u8(reply, LOADER_MEM_READ);
+ msgb_put_u8(reply, nbytes);
+ msgb_put_u32(reply, address);
+
+ memcpy(msgb_put(reply, nbytes), (void*)address, nbytes);
+
+ sercomm_sendmsg(dlci, reply);
+
+ break;
+
+ }
+
+ if(msg) {
+ msgb_free(msg);
+ }
+}
+
+static void key_handler(enum key_codes code, enum key_states state)
+{
+ if (state != PRESSED)
+ return;
+
+ switch (code) {
+ case KEY_POWER:
+ poweroff();
+ break;
+ default:
+ break;
+ }
+}
diff --git a/src/target/firmware/apps/loader/protocol.h b/src/target/firmware/apps/loader/protocol.h
new file mode 100644
index 0000000..afbd239
--- /dev/null
+++ b/src/target/firmware/apps/loader/protocol.h
@@ -0,0 +1,6 @@
+
+enum loader_command {
+ LOADER_PING,
+ LOADER_MEM_READ,
+ LOADER_MEM_WRITE,
+};