target/boards: add infrastructure for loaders for Mediatek platforms
authorWolfram Sang <wolfram@the-dreams.de>
Wed, 4 May 2011 20:58:17 +0000 (22:58 +0200)
committerHarald Welte <laforge@gnumonks.org>
Thu, 5 May 2011 07:52:47 +0000 (09:52 +0200)
We are just interested in the loaders here, no other applications needed.
Split it from the compal-based phones. Add mt62xx as first user.

Based on a patch by steve-m, but cleaned up and seperated from compal/calypso.

Signed-off-by: Steve Markgraf <steve@steve-m.de>
Signed-off-by: Wolfram Sang <wolfram@the-dreams.de>
src/Makefile
src/target/firmware/Makefile.mtk [new file with mode: 0644]
src/target/firmware/apps/loader_mtk/main.c [new file with mode: 0644]
src/target/firmware/board/mediatek/macros.S [new file with mode: 0644]
src/target/firmware/board/mediatek/ram.lds [new file with mode: 0644]
src/target/firmware/board/mediatek/start.ram.S [new file with mode: 0644]
src/target/firmware/board/mediatek/uart.c [new file with mode: 0644]
src/target/firmware/board/mt62xx/init.c [new file with mode: 0644]
src/target/firmware/include/mtk/emi.h [new file with mode: 0644]
src/target/firmware/include/mtk/mt6235.h [new file with mode: 0644]
src/target/firmware/include/mtk/system.h [new file with mode: 0644]

index 1b6f2f7..d6f556f 100644 (file)
@@ -17,7 +17,7 @@ OSMOCORE_CONFIGURE_ENV= LIBOSMOCORE_LIBS=$(TOPDIR)/shared/libosmocore/build-host
                        LIBOSMOVTY_CFLAGS=-I$(TOPDIR)/shared/libosmocore/include \
                        LIBOSMOGSM_CFLAGS=-I$(TOPDIR)/shared/libosmocore/include
 
-all: libosmocore-target nofirmware firmware
+all: libosmocore-target nofirmware firmware mtk-firmware
 nofirmware: libosmocore-host layer23 osmocon gsmmap
 
 libosmocore-host: shared/libosmocore/build-host/src/.libs/libosmocore.la
@@ -93,6 +93,10 @@ host/layer23/layer23: host/layer23/Makefile libosmocore-host
 firmware: libosmocore-target
        make -C target/firmware CROSS_COMPILE=$(CROSS_TOOL_PREFIX)
 
+.PHONY: mtk-firmware
+mtk-firmware: libosmocore-target
+       make -C target/firmware -f Makefile.mtk CROSS_COMPILE=$(CROSS_TOOL_PREFIX)
+
 
 clean:
        make -C shared/libosmocore/build-host $@
@@ -100,10 +104,12 @@ clean:
        make -C host/layer23 $@
        make -C host/osmocon $@
        make -C target/firmware $@
+       make -C target/firmware -f Makefile.mtk $@
 
 distclean:
        rm -rf shared/libosmocore/build-host
        rm -rf shared/libosmocore/build-target
        make -C host/layer23 $@
        make -C host/osmocon $@
+# 'firmware' also handles 'mtk-firmware'
        make -C target/firmware $@
diff --git a/src/target/firmware/Makefile.mtk b/src/target/firmware/Makefile.mtk
new file mode 100644 (file)
index 0000000..30fa2fc
--- /dev/null
@@ -0,0 +1,32 @@
+# List of all supported boards (meant to be overridden on command line)
+BOARDS?=mt62xx
+
+# List of all applications (meant to be overridden on command line)
+APPLICATIONS?=loader_mtk
+
+mtkram_LDS=board/mediatek/ram.lds
+mtkram_OBJS=board/mediatek/start.ram.o
+
+mtk_COMMON_OBJS=board/mediatek/uart.o
+
+# Mediatek MT62xx
+mt62xx_OBJS=$(mtk_COMMON_OBJS) board/mt62xx/init.o
+mt62xx_ENVIRONMENTS=mtkram
+
+# Global include path
+INCLUDES=-Iinclude/ -I../../../include -I../../shared/libosmocore/include
+
+FLASH_OBJS=flash/cfi_flash.o
+
+# Objects that go in all applications
+ANY_APP_OBJS+=$(FLASH_OBJS)
+
+# Various objects that are currently linked into all applications
+ANY_APP_LIBS+=lib/libmini.a comm/libcomm.a ../../shared/libosmocore/build-target/src/.libs/libosmocore.a
+
+# Libraries are defined in subdirectories
+-include comm/Makefile
+-include lib/Makefile
+
+# Include rules
+-include Makefile.inc
diff --git a/src/target/firmware/apps/loader_mtk/main.c b/src/target/firmware/apps/loader_mtk/main.c
new file mode 100644 (file)
index 0000000..899d765
--- /dev/null
@@ -0,0 +1,366 @@
+/*
+ * boot loader for MTK phones (based on the calypso-version)
+ *
+ * (C) 2010 by Ingo Albrecht <prom@berlin.ccc.de>
+ * (C) 2011 by Wolfram Sang <wolfram@the-dreams.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 <debug.h>
+#include <memory.h>
+#include <delay.h>
+#include <keypad.h>
+#include <board.h>
+#include <console.h>
+#include <defines.h>
+#include <manifest.h>
+
+#include <osmocom/core/crc16.h>
+
+#include <comm/sercomm.h>
+
+#include <uart.h>
+
+#include <flash/cfi_flash.h>
+
+#include <mtk/emi.h>
+#include <mtk/mt6235.h>
+#include <mtk/system.h>
+
+#include "../loader/protocol.h"
+
+/* Main Program */
+const char *hr =
+    "======================================================================\n";
+
+static void cmd_handler(uint8_t dlci, struct msgb *msg);
+
+int flag = 0;
+
+static void flush_uart(void)
+{
+       unsigned i;
+       for (i = 0; i < 500; i++) {
+               uart_poll(SERCOMM_UART_NR);
+               delay_ms(1);
+       }
+}
+
+static void device_poweroff(void)
+{
+       flush_uart();
+       writew(BBPU_MAGIC | RTC_BBPU_WRITE_EN,
+              MTK_RTC_BBPU);
+       writew(1, MTK_RTC_WRTGR);
+}
+
+static void device_reset(void)
+{
+       flush_uart();
+}
+
+static void device_enter_loader(__unused unsigned char bootrom)
+{
+       flush_uart();
+       delay_ms(2000);
+       void (*entry)( void ) = (void (*)(void))0;
+       entry();
+}
+
+static void device_jump(void *entry)
+{
+       flush_uart();
+
+       void (*f) (void) = (void (*)(void))entry;
+       f();
+}
+
+static void loader_send_simple(struct msgb *msg, uint8_t dlci, uint8_t command)
+{
+       msgb_put_u8(msg, command);
+       sercomm_sendmsg(dlci, msg);
+}
+
+extern unsigned char _start;
+
+flash_t the_flash;
+
+extern void putchar_asm(uint32_t c);
+
+static const uint8_t phone_ack[] = { 0x1b, 0xf6, 0x02, 0x00, 0x41, 0x03, 0x42 };
+
+int main(void)
+{
+       board_init ();
+
+       /* Initialize HDLC subsystem */
+       sercomm_init();
+
+       /* Say hi */
+       puts("\n\nOSMOCOM Loader (revision " GIT_REVISION ")\n");
+       puts(hr);
+
+       /* Identify environment */
+       printf("\nRunning on %s in environment %s\n", manifest_board,
+              manifest_environment);
+
+       printf("\nHW_CODE = 0x%04x", readw(MTK_CONFG_HW_CODE));
+
+       /* Set up loader communications */
+       sercomm_register_rx_cb(SC_DLCI_LOADER, &cmd_handler);
+
+       /* Wait for events */
+
+       while (1) {
+               uart_poll(SERCOMM_UART_NR);
+       }
+
+}
+
+static void cmd_handler(uint8_t dlci, struct msgb *msg)
+{
+       if (msg->data_len < 1) {
+               return;
+       }
+
+       uint8_t command = msgb_get_u8(msg);
+
+       int res;
+
+       flash_lock_t lock;
+
+       void *data;
+
+       uint8_t chip;
+       uint8_t nbytes;
+       uint16_t crc, mycrc;
+       uint32_t address;
+
+       struct msgb *reply = sercomm_alloc_msgb(256);   // XXX
+
+       if (!reply) {
+               printf("Failed to allocate reply buffer!\n");
+               goto out;
+       }
+
+       switch (command) {
+
+       case LOADER_PING:
+               loader_send_simple(reply, dlci, LOADER_PING);
+               break;
+
+       case LOADER_RESET:
+               loader_send_simple(reply, dlci, LOADER_RESET);
+               device_reset();
+               break;
+
+       case LOADER_POWEROFF:
+               loader_send_simple(reply, dlci, LOADER_POWEROFF);
+               device_poweroff();
+               break;
+
+       case LOADER_ENTER_ROM_LOADER:
+               loader_send_simple(reply, dlci, LOADER_ENTER_ROM_LOADER);
+               device_enter_loader(1);
+               break;
+
+       case LOADER_ENTER_FLASH_LOADER:
+               loader_send_simple(reply, dlci, LOADER_ENTER_FLASH_LOADER);
+               device_enter_loader(0);
+               break;
+
+       case LOADER_MEM_READ:
+
+               nbytes = msgb_get_u8(msg);
+               address = msgb_get_u32(msg);
+
+               crc = crc16(0, (void *)address, nbytes);
+
+               msgb_put_u8(reply, LOADER_MEM_READ);
+               msgb_put_u8(reply, nbytes);
+               msgb_put_u16(reply, crc);
+               msgb_put_u32(reply, address);
+
+               memcpy(msgb_put(reply, nbytes), (void *)address, nbytes);
+
+               sercomm_sendmsg(dlci, reply);
+
+               break;
+
+       case LOADER_MEM_WRITE:
+
+               nbytes = msgb_get_u8(msg);
+               crc = msgb_get_u16(msg);
+               address = msgb_get_u32(msg);
+
+               data = msgb_get(msg, nbytes);
+
+               mycrc = crc16(0, data, nbytes);
+
+               if (mycrc == crc) {
+                       memcpy((void *)address, data, nbytes);
+               }
+
+               msgb_put_u8(reply, LOADER_MEM_WRITE);
+               msgb_put_u8(reply, nbytes);
+               msgb_put_u16(reply, mycrc);
+               msgb_put_u32(reply, address);
+
+               sercomm_sendmsg(dlci, reply);
+
+               break;
+
+       case LOADER_JUMP:
+
+               address = msgb_get_u32(msg);
+
+               msgb_put_u8(reply, LOADER_JUMP);
+               msgb_put_u32(reply, address);
+
+               sercomm_sendmsg(dlci, reply);
+
+               device_jump((void *)address);
+
+               break;
+
+       case LOADER_FLASH_INFO:
+
+               msgb_put_u8(reply, LOADER_FLASH_INFO);
+               msgb_put_u8(reply, 1);  // nchips
+
+               // chip 1
+               msgb_put_u32(reply, the_flash.f_base);
+               msgb_put_u32(reply, the_flash.f_size);
+               msgb_put_u8(reply, the_flash.f_nregions);
+
+               unsigned i;
+               for (i = 0; i < the_flash.f_nregions; i++) {
+                       msgb_put_u32(reply, the_flash.f_regions[i].fr_bnum);
+                       msgb_put_u32(reply, the_flash.f_regions[i].fr_bsize);
+               }
+
+               sercomm_sendmsg(dlci, reply);
+
+               break;
+
+       case LOADER_FLASH_ERASE:
+       case LOADER_FLASH_UNLOCK:
+       case LOADER_FLASH_LOCK:
+       case LOADER_FLASH_LOCKDOWN:
+
+               chip = msgb_get_u8(msg);
+               address = msgb_get_u32(msg);
+
+               if (command == LOADER_FLASH_ERASE) {
+                       res = flash_block_erase(&the_flash, address);
+               }
+               if (command == LOADER_FLASH_UNLOCK) {
+                       res = flash_block_unlock(&the_flash, address);
+               }
+               if (command == LOADER_FLASH_LOCK) {
+                       res = flash_block_lock(&the_flash, address);
+               }
+               if (command == LOADER_FLASH_LOCKDOWN) {
+                       res = flash_block_lockdown(&the_flash, address);
+               }
+
+               msgb_put_u8(reply, command);
+               msgb_put_u8(reply, chip);
+               msgb_put_u32(reply, address);
+               msgb_put_u32(reply, (res != 0));
+
+               sercomm_sendmsg(dlci, reply);
+
+               break;
+
+       case LOADER_FLASH_GETLOCK:
+
+               chip = msgb_get_u8(msg);
+               address = msgb_get_u32(msg);
+
+               lock = flash_block_getlock(&the_flash, address);
+
+               msgb_put_u8(reply, command);
+               msgb_put_u8(reply, chip);
+               msgb_put_u32(reply, address);
+
+               switch (lock) {
+               case FLASH_UNLOCKED:
+                       msgb_put_u32(reply, LOADER_FLASH_UNLOCKED);
+                       break;
+               case FLASH_LOCKED:
+                       msgb_put_u32(reply, LOADER_FLASH_LOCKED);
+                       break;
+               case FLASH_LOCKED_DOWN:
+                       msgb_put_u32(reply, LOADER_FLASH_LOCKED_DOWN);
+                       break;
+               default:
+                       msgb_put_u32(reply, 0xFFFFFFFF);
+                       break;
+               }
+
+               sercomm_sendmsg(dlci, reply);
+
+               break;
+
+       case LOADER_FLASH_PROGRAM:
+
+               nbytes = msgb_get_u8(msg);
+               crc = msgb_get_u16(msg);
+               msgb_get_u8(msg);       // XXX align
+               chip = msgb_get_u8(msg);
+               address = msgb_get_u32(msg);
+
+               data = msgb_get(msg, nbytes);
+
+               mycrc = crc16(0, data, nbytes);
+
+               if (mycrc == crc) {
+                       res = flash_program(&the_flash, address, data, nbytes);
+               }
+
+               msgb_put_u8(reply, LOADER_FLASH_PROGRAM);
+               msgb_put_u8(reply, nbytes);
+               msgb_put_u16(reply, mycrc);
+               msgb_put_u8(reply, 0);  // XXX align
+               msgb_put_u8(reply, chip);
+               msgb_put_u32(reply, address);
+
+               msgb_put_u32(reply, (uint32_t) res);    // XXX
+
+               sercomm_sendmsg(dlci, reply);
+
+               break;
+
+       default:
+               printf("unknown command %d\n", command);
+
+               msgb_free(reply);
+
+               break;
+       }
+
+ out:
+
+       msgb_free(msg);
+}
diff --git a/src/target/firmware/board/mediatek/macros.S b/src/target/firmware/board/mediatek/macros.S
new file mode 100644 (file)
index 0000000..14ee6e6
--- /dev/null
@@ -0,0 +1,76 @@
+
+.macro clear_bss
+       mov   r0, #0
+       ldr   r1, =__bss_start
+       ldr   r2, =__bss_end
+loop_bss:
+       cmp   r1, r2
+       strlo r0, [r1], #4
+       blo   loop_bss
+.endm
+
+.macro copy_data
+    ldr   r0, =__data_start
+    ldr   r1, =_data_start
+    ldr   r2, =__data_end
+       cmp r0, r2
+       beq done_data
+loop_data:
+    ldrb  r4, [r0], #1
+    strb  r4, [r1], #1
+       cmp r0, r2
+    bne   loop_data
+done_data:
+.endm
+
+.macro copy_ramtext
+    ldr   r0, =__ramtext_start
+    ldr   r1, =_ramtext_start
+    ldr   r2, =__ramtext_end
+       cmp r0, r2
+       beq done_ramtext
+loop_ramtext:
+    ldrb  r4, [r0], #1
+    strb  r4, [r1], #1
+       cmp r0, r2
+    bne   loop_ramtext
+done_ramtext:
+.endm
+               
+       .EQU    ARM_MODE_FIQ,   0x11
+       .EQU    ARM_MODE_IRQ,   0x12
+       .EQU    ARM_MODE_SVC,   0x13
+
+       .EQU    I_BIT,          0x80
+       .EQU    F_BIT,          0x40
+
+#define        TOP_OF_RAM      0x4000a000
+#define FIQ_STACK_SIZE 1024
+#define IRQ_STACK_SIZE 1024
+               
+.macro init_stacks
+       /* initialize stacks, starting at TOP_OF_RAM */
+       ldr     r0, =TOP_OF_RAM
+
+       /* initialize FIQ stack */
+       msr     CPSR_c, #ARM_MODE_FIQ | I_BIT | F_BIT
+       mov     r13, r0
+       sub     r0, r0, #FIQ_STACK_SIZE
+
+       /* initialize IRQ stack */
+       msr     CPSR_c, #ARM_MODE_IRQ | I_BIT | F_BIT
+       mov     r13, r0
+       sub     r0, r0, #IRQ_STACK_SIZE
+
+       /* initialize supervisor stack */
+       msr     CPSR_c, #ARM_MODE_SVC | I_BIT | F_BIT
+       mov     r13, r0
+.endm
+
+.macro call_ctors
+       /* call constructor functions */
+       ldr     r0, =_ctor_start
+       ldr     r1, =_ctor_end
+       bl      do_global_ctors
+.endm
+
diff --git a/src/target/firmware/board/mediatek/ram.lds b/src/target/firmware/board/mediatek/ram.lds
new file mode 100644 (file)
index 0000000..465c0ba
--- /dev/null
@@ -0,0 +1,112 @@
+/*
+ * Linker script for running from internal SRAM on MTK phones
+ *
+ * This script is tailored specifically to the requirements imposed
+ * on us by the Mediatek bootloader.
+ *
+ */
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+MEMORY
+{
+    /* mtk-loaded binary: our text, initialized data */
+    LRAM (rw) : ORIGIN = 0x40000000, LENGTH = 0x00005000
+    /* mtk-loaded binary: our unitialized data, stacks, heap */
+    IRAM (rw) : ORIGIN = 0x40005000, LENGTH = 0x00005000
+}
+SECTIONS
+{
+    . = 0x40000000;
+
+    /* romloader data section, contains passthru interrupt vectors */
+    .mtk.loader (NOLOAD) : { . = 0x1400; } > LRAM
+
+    /* initialization code */
+    . = ALIGN(4);
+    .text.start : {
+        PROVIDE(_start = .);
+        KEEP(*(.text.start))
+        *(.text.start)
+    } > LRAM
+
+    /* code */
+    . = ALIGN(4);
+    .text (LOADADDR(.text.start) + SIZEOF(.text.start)) :
+          AT (LOADADDR(.text.start) + SIZEOF(.text.start)) {
+        /* regular code */
+        *(.text*)
+        /* always-in-ram code */
+        *(.ramtext*)
+        /* gcc voodoo */
+        *(.glue_7t) *(.glue_7) *(.vfp11_veneer) *(.v4_bx)
+        . = ALIGN(4);
+    } > LRAM
+    PROVIDE(_text_start = LOADADDR(.text));
+    PROVIDE(_text_end = LOADADDR(.text) + SIZEOF(.text));
+
+    /* constructor pointers */
+    .ctors : {
+        /* ctor count */
+        LONG(SIZEOF(.ctors) / 4 - 2)
+        /* ctor pointers */
+        KEEP(*(SORT(.ctors)))
+        /* end of list */
+        LONG(0)
+    } > LRAM
+    PROVIDE(_ctor_start = LOADADDR(.ctors));
+    PROVIDE(_ctor_end = LOADADDR(.ctors) + SIZEOF(.ctors));
+
+    /* destructor pointers */
+    .dtors : {
+        /* dtor count */
+        LONG(SIZEOF(.dtors) / 4 - 2)
+        /* dtor pointers */
+        KEEP(*(SORT(.dtors)))
+        /* end of list */
+        LONG(0)
+    } > LRAM
+    PROVIDE(_dtor_start = LOADADDR(.dtors));
+    PROVIDE(_dtor_end = LOADADDR(.dtors) + SIZEOF(.dtors));
+
+    /* read-only data */
+    . = ALIGN(4);
+    .rodata : {
+        *(.rodata*)
+    } > LRAM
+    PROVIDE(_rodata_start = LOADADDR(.rodata));
+    PROVIDE(_rodata_end = LOADADDR(.rodata) + SIZEOF(.rodata));
+
+    /* initialized data */
+    . = ALIGN(4);
+    .data : {
+        *(.data)
+    } > LRAM
+    PROVIDE(_data_start = LOADADDR(.data));
+    PROVIDE(_data_end = LOADADDR(.data) + SIZEOF(.data));
+
+    /* pic offset tables */
+    . = ALIGN(4);
+    .got : {
+        *(.got)
+        *(.got.plt) *(.igot.plt) *(.got) *(.igot)
+    } > LRAM
+    PROVIDE(_got_start = LOADADDR(.got));
+    PROVIDE(_got_end = LOADADDR(.got) + SIZEOF(.got));
+
+    /* uninitialized data */
+    .bss (NOLOAD) : {
+        . = ALIGN(4);
+        __bss_start = .;
+        *(.bss)
+    } > IRAM
+    . = ALIGN(4);
+    __bss_end = .;
+    PROVIDE(_bss_start = __bss_start);
+    PROVIDE(_bss_end = __bss_end);
+
+    /* end of image */
+    . = ALIGN(4);
+    _end = .;
+    PROVIDE(end = .);
+}
diff --git a/src/target/firmware/board/mediatek/start.ram.S b/src/target/firmware/board/mediatek/start.ram.S
new file mode 100644 (file)
index 0000000..c8f242c
--- /dev/null
@@ -0,0 +1,26 @@
+
+.section .text.start
+
+#include "macros.S"
+               
+.globl _start
+_start:
+       /* clear bss section */
+       clear_bss
+
+       /* initialize all stacks */
+       init_stacks
+
+       /* call constructors */
+       call_ctors
+
+       /* jump to main */
+       ldr     pc, _jump_main
+
+       /* endless loop at end of program */
+_loop:
+       b       _loop
+       b       _start
+
+_jump_main:
+       .word main
diff --git a/src/target/firmware/board/mediatek/uart.c b/src/target/firmware/board/mediatek/uart.c
new file mode 100644 (file)
index 0000000..ff82245
--- /dev/null
@@ -0,0 +1,426 @@
+/* MediaTek MT62xx internal UART Driver
+ *
+ * based on the Calypso driver, so there might be some cruft from it left...
+ *
+ * (C) 2010 by Harald Welte <laforge@gnumonks.org>
+ * (C) 2010 by Ingo Albrecht <prom@berlin.ccc.de>
+ * (C) 2010 by Steve Markgraf <steve@steve-m.de>
+ * (C) 2011 by Wolfram Sang <wolfram@the-dreams.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 <debug.h>
+#include <memory.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdio.h>
+#include <defines.h>
+#include <uart.h>
+#include <console.h>
+
+#include <comm/sercomm.h>
+
+#include <calypso/irq.h>
+
+/* MT622x */
+#if 0
+#define BASE_ADDR_UART1        0x80130000
+#define BASE_ADDR_UART2        0x80180000
+#define BASE_ADDR_UART3        0x801b0000
+#endif
+
+/* MT 6235 */
+#define BASE_ADDR_UART1        0x81030000
+
+//TODO make UART2 and 3 work
+#define UART_REG(n,m)  (BASE_ADDR_UART1 + (m))
+
+#define LCR7BIT                0x80
+#define LCRBFBIT       0x40
+#define MCR6BIT                0x20
+#define REG_OFFS(m)    ((m) & ~(LCR7BIT|LCRBFBIT|MCR6BIT))
+/* read access LCR[7] = 0 */
+enum uart_reg {
+       RBR             = 0x00,
+       IER             = 0x04,
+       IIR             = 0x08,
+       LCR             = 0x0c,
+       MCR             = 0x10,
+       LSR             = 0x14,
+       MSR             = 0x18,
+       SCR             = 0x1c,
+       AUTOBAUD_EN     = 0x20,
+       HIGHSPEED       = 0x24,
+       SAMPLE_COUNT    = 0x28,
+       SAMPLE_POINT    = 0x2c,
+       AUTOBAUD_REG    = 0x30,
+       RATE_FIX_REG    = 0x34, /* undocumented */
+       AUTOBAUDSAMPLE  = 0x38,
+       GUARD           = 0x3c,
+       ESCAPE_DAT      = 0x40,
+       ESCAPE_EN       = 0x44,
+       SLEEP_EN        = 0x48,
+       VFIFO_EN        = 0x4c,
+/* read access LCR[7] = 1 */
+       DLL     = RBR,
+       DLH     = IER,
+/* read/write access LCR[7:0] = 0xbf */
+       EFR     = IIR | LCRBFBIT,
+       XON1    = MCR | LCRBFBIT,
+       XON2    = LSR | LCRBFBIT,
+       XOFF1   = MSR | LCRBFBIT,
+       XOFF2   = SCR | LCRBFBIT,
+};
+
+enum fcr_bits {
+       FIFO_EN         = (1 << 0),
+       RX_FIFO_CLEAR   = (1 << 1),
+       TX_FIFO_CLEAR   = (1 << 2),
+       DMA_MODE        = (1 << 3),
+};
+#define TX_FIFO_TRIG_SHIFT     4
+#define RX_FIFO_TRIG_SHIFT     6
+
+enum iir_bits {
+       IIR_INT_PENDING                 = 0x01,
+       IIR_INT_TYPE                    = 0x3E,
+       IIR_INT_TYPE_RX_STATUS_ERROR    = 0x06,
+       IIR_INT_TYPE_RX_TIMEOUT         = 0x0C,
+       IIR_INT_TYPE_RBR                = 0x04,
+       IIR_INT_TYPE_THR                = 0x02,
+       IIR_INT_TYPE_MSR                = 0x00,
+       IIR_INT_TYPE_XOFF               = 0x10,
+       IIR_INT_TYPE_FLOW               = 0x20,
+       IIR_FCR0_MIRROR                 = 0xC0,
+};
+
+
+/* enable or disable the divisor latch for access to DLL, DLH */
+static void uart_set_lcr7bit(int uart, int on)
+{
+       uint8_t reg;
+
+       reg = readb(UART_REG(uart, LCR));
+       if (on)
+               reg |= (1 << 7);
+       else
+               reg &= ~(1 << 7);
+       writeb(reg, UART_REG(uart, LCR));
+}
+
+static uint8_t old_lcr;
+static void uart_set_lcr_bf(int uart, int on)
+{
+       if (on) {
+               old_lcr = readb(UART_REG(uart, LCR));
+               writeb(0xBF, UART_REG(uart, LCR));
+       } else {
+               writeb(old_lcr, UART_REG(uart, LCR));
+       }
+}
+
+/* Enable or disable the TCR_TLR latch bit in MCR[6] */
+static void uart_set_mcr6bit(int uart, int on)
+{
+       uint8_t mcr;
+       /* we assume EFR[4] is always set to 1 */
+       mcr = readb(UART_REG(uart, MCR));
+       if (on)
+               mcr |= (1 << 6);
+       else
+               mcr &= ~(1 << 6);
+       writeb(mcr, UART_REG(uart, MCR));
+}
+
+static void uart_reg_write(int uart, enum uart_reg reg, uint8_t val)
+{
+       if (reg & LCRBFBIT)
+               uart_set_lcr_bf(uart, 1);
+       else if (reg & LCR7BIT)
+               uart_set_lcr7bit(uart, 1);
+       else if (reg & MCR6BIT)
+               uart_set_mcr6bit(uart, 1);
+
+       writeb(val, UART_REG(uart, REG_OFFS(reg)));
+
+       if (reg & LCRBFBIT)
+               uart_set_lcr_bf(uart, 0);
+       else if (reg & LCR7BIT)
+               uart_set_lcr7bit(uart, 0);
+       else if (reg & MCR6BIT)
+               uart_set_mcr6bit(uart, 0);
+}
+
+/* read from a UART register, applying any required latch bits */
+static uint8_t uart_reg_read(int uart, enum uart_reg reg)
+{
+       uint8_t ret;
+
+       if (reg & LCRBFBIT)
+               uart_set_lcr_bf(uart, 1);
+       else if (reg & LCR7BIT)
+               uart_set_lcr7bit(uart, 1);
+       else if (reg & MCR6BIT)
+               uart_set_mcr6bit(uart, 1);
+
+       ret = readb(UART_REG(uart, REG_OFFS(reg)));
+
+       if (reg & LCRBFBIT)
+               uart_set_lcr_bf(uart, 0);
+       else if (reg & LCR7BIT)
+               uart_set_lcr7bit(uart, 0);
+       else if (reg & MCR6BIT)
+               uart_set_mcr6bit(uart, 0);
+
+       return ret;
+}
+
+static void uart_irq_handler_cons(__unused int irqnr)
+{
+       const uint8_t uart = CONS_UART_NR;
+       uint8_t iir;
+
+       //uart_putchar_nb(uart, 'U');
+
+       iir = uart_reg_read(uart, IIR);
+       if (iir & IIR_INT_PENDING)
+               return;
+
+       switch (iir & IIR_INT_TYPE) {
+       case IIR_INT_TYPE_RBR:
+               break;
+       case IIR_INT_TYPE_THR:
+               if (cons_rb_flush() == 1) {
+                       /* everything was flushed, disable RBR IRQ */
+                       uint8_t ier = uart_reg_read(uart, IER);
+                       ier &= ~(1 << 1);
+                       uart_reg_write(uart, IER, ier);
+               }
+               break;
+       case IIR_INT_TYPE_MSR:
+               break;
+       case IIR_INT_TYPE_RX_STATUS_ERROR:
+               break;
+       case IIR_INT_TYPE_RX_TIMEOUT:
+               break;
+       case IIR_INT_TYPE_XOFF:
+               break;
+       }
+}
+
+static void uart_irq_handler_sercomm(__unused int irqnr)
+{
+       const uint8_t uart = SERCOMM_UART_NR;
+       uint8_t iir, ch;
+
+       //uart_putchar_nb(uart, 'U');
+
+       iir = uart_reg_read(uart, IIR);
+       if (iir & IIR_INT_PENDING)
+               return;
+
+       switch (iir & IIR_INT_TYPE) {
+       case IIR_INT_TYPE_RX_TIMEOUT:
+       case IIR_INT_TYPE_RBR:
+               /* as long as we have rx data available */
+               while (uart_getchar_nb(uart, &ch)) {
+                       if (sercomm_drv_rx_char(ch) < 0) {
+                               /* sercomm cannot receive more data right now */
+                               uart_irq_enable(uart, UART_IRQ_RX_CHAR, 0);
+                       }
+               }
+               break;
+       case IIR_INT_TYPE_THR:
+               /* as long as we have space in the FIFO */
+               while (!uart_tx_busy(uart)) {
+                       /* get a byte from sercomm */
+                       if (!sercomm_drv_pull(&ch)) {
+                               /* no more bytes in sercomm, stop TX interrupts */
+                               uart_irq_enable(uart, UART_IRQ_TX_EMPTY, 0);
+                               break;
+                       }
+                       /* write the byte into the TX FIFO */
+                       uart_putchar_nb(uart, ch);
+               }
+               break;
+       case IIR_INT_TYPE_MSR:
+               printf("UART IRQ MSR\n");
+               break;
+       case IIR_INT_TYPE_RX_STATUS_ERROR:
+               printf("UART IRQ RX_SE\n");
+               break;
+       case IIR_INT_TYPE_XOFF:
+               printf("UART IRQXOFF\n");
+               break;
+       }
+}
+
+void uart_init(uint8_t uart, __unused uint8_t interrupts)
+{
+       /* no interrupts, only polling so far */
+
+       uart_reg_write(uart, IER, 0x00);
+       if (uart == CONS_UART_NR) {
+               cons_init();
+       } else {
+               sercomm_init();
+               uart_irq_enable(uart, UART_IRQ_RX_CHAR, 1);
+       }
+
+       uart_reg_write(uart, AUTOBAUD_EN, 0x00); /* disable AUTOBAUD */
+       uart_reg_write(uart,   EFR, 0x10); /* Enhanced Features Register */
+
+       /* no XON/XOFF flow control, ENHANCED_EN, no auto-RTS/CTS */
+       uart_reg_write(uart, EFR, (1 << 4));
+       /* enable Tx/Rx FIFO, Tx trigger at 56 spaces, Rx trigger at 60 chars */
+       //FIXME check those FIFO settings
+       uart_reg_write(uart, IIR, FIFO_EN | RX_FIFO_CLEAR | TX_FIFO_CLEAR |
+                       (3 << TX_FIFO_TRIG_SHIFT) | (1 << RX_FIFO_TRIG_SHIFT));
+
+       /* RBR interrupt only when TX FIFO and TX shift register are empty */
+       uart_reg_write(uart, SCR, (1 << 0));// | (1 << 3));
+
+       /* 8 bit, 1 stop bit, no parity, no break */
+       uart_reg_write(uart, LCR, 0x03);
+
+       uart_set_lcr7bit(uart, 0);
+}
+
+void uart_poll(uint8_t uart) {
+       if(uart == CONS_UART_NR) {
+               uart_irq_handler_cons(0);
+       } else {
+               uart_irq_handler_sercomm(0);
+       }
+}
+
+void uart_irq_enable(uint8_t uart, enum uart_irq irq, int on)
+{
+       uint8_t ier = uart_reg_read(uart, IER);
+       uint8_t mask = 0;
+
+       switch (irq) {
+       case UART_IRQ_TX_EMPTY:
+               mask = (1 << 1);
+               break;
+       case UART_IRQ_RX_CHAR:
+               mask = (1 << 0);
+               break;
+       }
+
+       if (on)
+               ier |= mask;
+       else
+               ier &= ~mask;
+
+       uart_reg_write(uart, IER, ier);
+}
+
+
+void uart_putchar_wait(uint8_t uart, int c)
+{
+       /* wait while TX FIFO indicates full */
+       while (~readb(UART_REG(uart, LSR)) & 0x20) { }
+
+       /* put character in TX FIFO */
+       writeb(c, UART_REG(uart, RBR));
+}
+
+int uart_putchar_nb(uint8_t uart, int c)
+{
+       /* if TX FIFO indicates full, abort */
+       if (~readb(UART_REG(uart, LSR)) & 0x20)
+               return 0;
+
+       writeb(c, UART_REG(uart, RBR));
+       return 1;
+}
+
+int uart_getchar_nb(uint8_t uart, uint8_t *ch)
+{
+       uint8_t lsr;
+
+       lsr = readb(UART_REG(uart, LSR));
+
+       /* something strange happened */
+       if (lsr & 0x02)
+               printf("LSR RX_OE\n");
+       if (lsr & 0x04)
+               printf("LSR RX_PE\n");
+       if (lsr & 0x08)
+               printf("LSR RX_FE\n");
+       if (lsr & 0x10)
+               printf("LSR RX_BI\n");
+       if (lsr & 0x80)
+               printf("LSR RX_FIFO_STS\n");
+
+       /* is the Rx FIFO empty? */
+       if (!(lsr & 0x01))
+               return 0;
+
+       *ch = readb(UART_REG(uart, RBR));
+       //printf("getchar_nb(%u) = %02x\n", uart, *ch);
+       return 1;
+}
+
+int uart_tx_busy(uint8_t uart)
+{
+       /* Check THRE bit (LSR[5]) to see if FIFO is full */
+       if (~readb(UART_REG(uart, LSR)) & 0x20)
+               return 1;
+       return 0;
+}
+
+#if 0
+/* 26MHz clock input (used when no PLL initialized directly after poweron) */
+static const uint16_t divider[] = {
+       [UART_38400]    = 42,
+       [UART_57600]    = 28,
+       [UART_115200]   = 14,
+       [UART_230400]   = 7,
+       [UART_460800]   = 14,   /* would need UART_REG(HIGHSPEED) = 1 or 2 */
+       [UART_921600]   = 7,    /* would need UART_REG(HIGHSPEED) = 2 */
+};
+#endif
+
+/* 52MHz clock input (after PLL init) */
+static const uint16_t divider[] = {
+       [UART_38400]    = 85,
+       [UART_57600]    = 56,
+       [UART_115200]   = 28,
+       [UART_230400]   = 14,
+       [UART_460800]   = 7,
+       [UART_921600]   = 7,    /* would need UART_REG(HIGHSPEED) = 1 */
+};
+
+int uart_baudrate(uint8_t uart, enum uart_baudrate bdrt)
+{
+       uint16_t div;
+
+       if (bdrt > ARRAY_SIZE(divider))
+               return -1;
+
+       div = divider[bdrt];
+       uart_set_lcr7bit(uart, 1);
+       writeb(div & 0xff, UART_REG(uart, DLL));
+       writeb(div >> 8, UART_REG(uart, DLH));
+       uart_set_lcr7bit(uart, 0);
+
+       return 0;
+}
diff --git a/src/target/firmware/board/mt62xx/init.c b/src/target/firmware/board/mt62xx/init.c
new file mode 100644 (file)
index 0000000..3f68375
--- /dev/null
@@ -0,0 +1,139 @@
+/* Initialization for the MT62xx Basebands */
+
+/* (C) 2010 by Steve Markgraf <steve@steve-m.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 <debug.h>
+#include <ctors.h>
+#include <memory.h>
+#include <board.h>
+#include <keypad.h>
+#include <uart.h>
+#include <console.h>
+#include <delay.h>
+
+#include <flash/cfi_flash.h>
+
+#include <comm/sercomm.h>
+#include <comm/timer.h>
+
+#include <mtk/emi.h>
+#include <mtk/mt6235.h>
+#include <mtk/system.h>
+
+void pll_init(void)
+{
+       /* Power on PLL */
+       writew(0, MTK_PLL_PDN_CON);
+       writew(PLL_CLKSQ_DIV2_DSP | PLL_CLKSQ_DIV2_MCU, MTK_PLL_CLK_CON);
+
+       writew(PLL_RST, MTK_PLL_PLL);
+       writew(0, MTK_PLL_PLL);
+       delay_ms(1);
+
+       /* Turn on PLL for MCU, DSP and USB */
+       writew(PLL_MPLLSEL_PLL | PLL_DPLLSEL | PLL_UPLLSEL, MTK_PLL_PLL);
+
+       /*
+        * Setup MCU clock register:
+        * ARMCLK = 208MHz, AHBx4CLK = 52MHz, AHBx8CLK = 104MHz
+        * we have to write to the read-only part (EMICLK) as well, otherwise
+        * the EMI won't work! (datasheet lies)
+        */
+       writew(7 << MCUCLK_CON_AHBX8CLK_SHIFT |
+              3 << MCUCLK_CON_AHBX4CLK_SHIFT |
+              15 << MCUCLK_CON_ARMCLK_SHIFT |
+              7 << MCUCLK_CON_EMICLK_SHIFT,
+              MTK_CONFG_MCUCLK_CON);
+}
+
+void memory_init(void)
+{
+       int i;
+
+       /* Initialization for Hynix RAM */
+
+       /* Configure DRAM controller */
+       writel(0x0001000e, MTK_EMI_GEND);
+       writel(0x00088a0a, MTK_EMI_GENA);
+       writel(0x00000280, MTK_EMI_GENB);
+       writel(0x52945294, MTK_EMI_GENC);
+       writel(0x1c016605, MTK_EMI_CONL);
+       writel(0x00002828, MTK_EMI_CONM);
+       writel(0x02334000, MTK_EMI_CONI);
+       writel(0x16c12212, MTK_EMI_CONJ);
+       writel(0x032d0000, MTK_EMI_CONK);
+
+       for (i = 0; i < 5; ++i) {
+               /* Setup five single bits, one by one for DRAM init */
+               writel((1 << (24 + i)) | (0x400013), MTK_EMI_CONN);
+               delay_ms(1);
+               writel(0x400013, MTK_EMI_CONN);
+               delay_ms(1);
+       }
+
+#if 0
+       /* Initialization for Toshiba RAM */
+
+       /* Configure DRAM controller */
+       writel(0x0001000E, MTK_EMI_GEND);
+       writel(0x00088E3A, MTK_EMI_GENA);
+       writel(0x000000C0, MTK_EMI_GENB);
+       writel(0x18C618C6, MTK_EMI_GENC);
+       writel(0x18007505, MTK_EMI_CONL);
+       writel(0x00002828, MTK_EMI_CONM);
+       writel(0x00332000, MTK_EMI_CONI);
+       writel(0x3CD24431, MTK_EMI_CONJ);
+       writel(0x02000000, MTK_EMI_CONK);
+
+       for (i = 0; i < 5; ++i) {
+               /* Setup five single bits, one by one for DRAM init */
+               writel((1 << (24 + i)) | (0x500013), MTK_EMI_CONN);
+               delay_ms(1);
+               writel(0x500013, MTK_EMI_CONN);
+               delay_ms(1);
+       }
+
+#endif
+}
+
+void board_init(void)
+{
+       /* powerup the baseband */
+       writew(POWERKEY1_MAGIC, MTK_RTC_POWERKEY1);
+       writew(POWERKEY2_MAGIC, MTK_RTC_POWERKEY2);
+       writew(BBPU_MAGIC | RTC_BBPU_WRITE_EN |
+              RTC_BBPU_BBPU | RTC_BBPU_AUTO,
+              MTK_RTC_BBPU);
+       writew(1, MTK_RTC_WRTGR);
+
+       /* disable watchdog timer */
+       writew(WDT_MODE_KEY, MTK_RGU_WDT_MODE);
+
+       pll_init();
+       memory_init();
+
+       /* Initialize UART without interrupts */
+       uart_init(SERCOMM_UART_NR, 0);
+       uart_baudrate(SERCOMM_UART_NR, UART_115200);
+}
diff --git a/src/target/firmware/include/mtk/emi.h b/src/target/firmware/include/mtk/emi.h
new file mode 100644 (file)
index 0000000..1818499
--- /dev/null
@@ -0,0 +1,42 @@
+/*
+ * (C) 2010 by Tieto <www.tieto.com>
+ *     Marcin Mielczarczyk <marcin.mielczarczyk@tieto.com>
+ *
+ * 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.
+ *
+ */
+
+#ifndef __MTK_EMI_H_
+#define __MTK_EMI_H_
+
+/* External Memory Interface register definitions */
+#define MTK_EMI_CONA           (MTK_EMI_BASE + 0x00)
+#define MTK_EMI_CONB           (MTK_EMI_BASE + 0x08)
+#define MTK_EMI_CONC           (MTK_EMI_BASE + 0x10)
+#define MTK_EMI_COND           (MTK_EMI_BASE + 0x18)
+#define MTK_EMI_CONI           (MTK_EMI_BASE + 0x40)
+#define MTK_EMI_CONJ           (MTK_EMI_BASE + 0x48)
+#define MTK_EMI_CONK           (MTK_EMI_BASE + 0x50)
+#define MTK_EMI_CONL           (MTK_EMI_BASE + 0x58)
+#define MTK_EMI_CONM           (MTK_EMI_BASE + 0x60)
+#define MTK_EMI_CONN           (MTK_EMI_BASE + 0x68)
+#define MTK_EMI_GENA           (MTK_EMI_BASE + 0x70)
+#define MTK_EMI_GENB           (MTK_EMI_BASE + 0x78)
+#define MTK_EMI_GENC           (MTK_EMI_BASE + 0x80)
+#define MTK_EMI_GEND           (MTK_EMI_BASE + 0x88)
+
+#endif
diff --git a/src/target/firmware/include/mtk/mt6235.h b/src/target/firmware/include/mtk/mt6235.h
new file mode 100644 (file)
index 0000000..fb9d368
--- /dev/null
@@ -0,0 +1,74 @@
+/*
+ * (C) 2010 by Tieto <www.tieto.com>
+ *     Marcin Mielczarczyk <marcin.mielczarczyk@tieto.com>
+ *
+ * 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.
+ *
+ */
+
+#ifndef __MT6235_H
+#define __MT6235_H
+
+/* Peripheral base addresses */
+#define MTK_EFUSE_BASE         0x80000000
+#define MTK_CONFG_BASE         0x80010000
+#define MTK_GPIO_BASE          0x80020000
+#define MTK_RGU_BASE           0x80030000
+#define MTK_EMI_BASE           0x81000000
+#define MTK_CIRQ_BASE          0x81010000
+#define MTK_DMA_BASE           0x81020000
+#define MTK_UART1_BASE         0x81030000
+#define MTK_UART2_BASE         0x81040000
+#define MTK_UART3_BASE         0x81050000
+#define MTK_GPT_BASE           0x81060000
+#define MTK_KP_BASE            0x81080000
+#define MTK_PWM_BASE           0x81090000
+#define MTK_SIM_BASE           0x810A0000
+#define MTK_RTC_BASE           0x810C0000
+#define MTK_SEJ_BASE           0x810D0000
+#define MTK_BM_BASE            0x810E0000
+#define MTK_IRDA_BASE          0x810F0000
+#define MTK_I2C_BASE           0x81100000
+#define MTK_MSDC_BASE          0x81110000
+#define MTK_NFI_BASE           0x81120000
+#define MTK_MSSDC2_BASE                0x81140000
+#define MTK_TDMA_BASE          0x82000000
+#define MTK_BSI_BASE           0x82010000
+#define MTK_BPI_BASE           0x82020000
+#define MTK_AFC_BASE           0x82030000
+#define MTK_APC_BASE           0x82040000
+#define MTK_AUXADC_BASE                0x82050000
+#define MTK_DIVIDER_BASE       0x82060000
+#define MTK_FSC_BASE           0x82070000
+#define MTK_GCU_BASE           0x82080000
+#define MTK_CSD_ACC_BASE       0x82090000
+#define MTK_SHARE1_BASE                0x820A0000
+#define MTK_IRDBG1_BASE                0x820B0000
+#define MTK_SHARE2_BASE                0x820C0000
+#define MTK_IRDBG2_BASE                0x820D0000
+#define MTK_PATCH_BASE         0x820E0000
+#define MTK_AFE_BASE           0x820F0000
+#define MTK_BFE_BASE           0x82100000
+#define MTK_PLL_BASE           0x83000000
+#define MTK_ACIF_BASE          0x83010000
+#define MTK_GMC_BASE           0x84000000
+#define MTK_G2D_BASE           0x84010000
+#define MTK_GCMQ_BASE          0x84020000
+#define MTK_CAM_BASE           0x840B0000
+#define MTK_CRZ_BASE           0x840E0000
+
+#endif
diff --git a/src/target/firmware/include/mtk/system.h b/src/target/firmware/include/mtk/system.h
new file mode 100644 (file)
index 0000000..4543029
--- /dev/null
@@ -0,0 +1,195 @@
+/*
+ * (C) 2010 by Tieto <www.tieto.com>
+ *     Marcin Mielczarczyk <marcin.mielczarczyk@tieto.com>
+ *
+ * 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.
+ *
+ */
+
+#ifndef __MTK_SYSTEM_H_
+#define __MTK_SYSTEM_H_
+
+/*
+ * Configuration block section (Clock, Power Down, Version and Reset
+ */
+
+/* Register definitions */
+#define MTK_CONFG_HW_VERSION   (MTK_CONFG_BASE + 0x000)
+#define MTK_CONFG_FW_VERSION   (MTK_CONFG_BASE + 0x004)
+#define MTK_CONFG_HW_CODE      (MTK_CONFG_BASE + 0x008)
+#define MTK_CONFG_SLEEP_CON    (MTK_CONFG_BASE + 0x114)
+#define MTK_CONFG_MCUCLK_CON   (MTK_CONFG_BASE + 0x118)
+#define MTK_CONFG_DSPCLK_CON   (MTK_CONFG_BASE + 0x11C)
+#define MTK_CONFG_IDN_SEL      (MTK_CONFG_BASE + 0x200)
+#define MTK_CONFG_PDN_CON0     (MTK_CONFG_BASE + 0x300)
+#define MTK_CONFG_PDN_CON1     (MTK_CONFG_BASE + 0x304)
+#define MTK_CONFG_PDN_CON2     (MTK_CONFG_BASE + 0x308)
+#define MTK_CONFG_PDN_CON3     (MTK_CONFG_BASE + 0x30C)
+#define MTK_CONFG_PDN_SET0     (MTK_CONFG_BASE + 0x310)
+#define MTK_CONFG_PDN_SET1     (MTK_CONFG_BASE + 0x314)
+#define MTK_CONFG_PDN_SET2     (MTK_CONFG_BASE + 0x318)
+#define MTK_CONFG_PDN_SET3     (MTK_CONFG_BASE + 0x31C)
+#define MTK_CONFG_PDN_CLR0     (MTK_CONFG_BASE + 0x320)
+#define MTK_CONFG_PDN_CLR1     (MTK_CONFG_BASE + 0x324)
+#define MTK_CONFG_PDN_CLR2     (MTK_CONFG_BASE + 0x328)
+#define MTK_CONFG_PDN_CLR3     (MTK_CONFG_BASE + 0x32C)
+
+/* CONFG_MCUCLK_CON bit fields definitions */
+#define MCUCLK_CON_AHBX8CLK_SHIFT      (0)
+#define MCUCLK_CON_AHBX4CLK_SHIFT      (4)
+#define MCUCLK_CON_ARMCLK_SHIFT                (8)
+#define MCUCLK_CON_EMICLK_SHIFT                (12)
+
+/* PDN_CON0 bit fields definitions */
+#define PDN_CON0_CON0_DMA      (1 << 0)
+#define PDN_CON0_USB           (1 << 1)
+#define PDN_CON0_GCU           (1 << 2)
+#define PDN_CON0_WAVE          (1 << 3)
+#define PDN_CON0_SEJ           (1 << 4)
+#define PDN_CON0_IR            (1 << 6)
+#define PDN_CON0_PWM3          (1 << 7)
+#define PDN_CON0_PWM           (1 << 8)
+#define PDN_CON0_SIM2          (1 << 10)
+#define PDN_CON0_IRDBG1                (1 << 12)
+#define PDN_CON0_IRDBG2                (1 << 13)
+
+/* PDN_CON1 bit fields definitions */
+#define PDN_CON1_GPT           (1 << 0)
+#define PDN_CON1_KP            (1 << 1)
+#define PDN_CON1_GPIO          (1 << 2)
+#define PDN_CON1_UART1         (1 << 3)
+#define PDN_CON1_SIM           (1 << 4)
+#define PDN_CON1_PWM1          (1 << 5)
+#define PDN_CON1_LCD           (1 << 7)
+#define PDN_CON1_UART2         (1 << 8)
+#define PDN_CON1_MSDC          (1 << 9)
+#define PDN_CON1_TP            (1 << 10)
+#define PDN_CON1_PWM2          (1 << 11)
+#define PDN_CON1_NFI           (1 << 12)
+#define PDN_CON1_UART3         (1 << 14)
+#define PDN_CON1_IRDA          (1 << 15)
+
+/* PDN_CON2 bit fields definitions */
+#define PDN_CON2_TDMA          (1 << 0)
+#define PDN_CON2_RTC           (1 << 1)
+#define PDN_CON2_BSI           (1 << 2)
+#define PDN_CON2_BPI           (1 << 3)
+#define PDN_CON2_AFC           (1 << 4)
+#define PDN_CON2_APC           (1 << 5)
+
+/*
+ * Reset Generation Unit block section
+ */
+#define MTK_RGU_WDT_MODE       (MTK_RGU_BASE + 0x00)
+#define MTK_RGU_WDT_LENGTH     (MTK_RGU_BASE + 0x04)
+#define MTK_RGU_WDT_RESTART    (MTK_RGU_BASE + 0x08)
+#define MTK_RGU_WDT_STA                (MTK_RGU_BASE + 0x0C)
+#define MTK_RGU_SW_PERIPH_RSTN (MTK_RGU_BASE + 0x10)
+#define MTK_RGU_SW_DSP_RSTN    (MTK_RGU_BASE + 0x14)
+#define MTK_RGU_WDT_RSTINTERVAL        (MTK_RGU_BASE + 0x18)
+#define MTK_RGU_WDT_SWRST      (MTK_RGU_BASE + 0x1C)
+
+#define WDT_MODE_KEY           0x2200
+#define WDT_LENGTH_KEY         0x0008
+#define WDT_RESTART_KEY                0x1971
+#define SW_PERIPH_RSTN_KEY     0x0037
+#define WDT_SWRST_KEY          0x1209
+
+/*
+ * RTC block section
+ */
+
+/* RTC registers definition */
+#define MTK_RTC_BBPU           (MTK_RTC_BASE + 0x00)
+#define MTK_RTC_IRQ_STA                (MTK_RTC_BASE + 0x04)
+#define MTK_RTC_IRQ_EN         (MTK_RTC_BASE + 0x08)
+#define MTK_RTC_CII_EN         (MTK_RTC_BASE + 0x0C)
+#define MTK_RTC_AL_MASK                (MTK_RTC_BASE + 0x10)
+#define MTK_RTC_TC_SEC         (MTK_RTC_BASE + 0x14)
+#define MTK_RTC_TC_MIN         (MTK_RTC_BASE + 0x18)
+#define MTK_RTC_TC_HOU         (MTK_RTC_BASE + 0x1C)
+#define MTK_RTC_TC_DOM         (MTK_RTC_BASE + 0x20)
+#define MTK_RTC_TC_DOW         (MTK_RTC_BASE + 0x24)
+#define MTK_RTC_TC_MTH         (MTK_RTC_BASE + 0x28)
+#define MTK_RTC_TC_YEA         (MTK_RTC_BASE + 0x2C)
+#define MTK_RTC_AL_SEC         (MTK_RTC_BASE + 0x30)
+#define MTK_RTC_AL_MIN         (MTK_RTC_BASE + 0x34)
+#define MTK_RTC_AL_HOU         (MTK_RTC_BASE + 0x38)
+#define MTK_RTC_AL_DOM         (MTK_RTC_BASE + 0x3C)
+#define MTK_RTC_AL_DOW         (MTK_RTC_BASE + 0x40)
+#define MTK_RTC_AL_MTH         (MTK_RTC_BASE + 0x44)
+#define MTK_RTC_AL_YEA         (MTK_RTC_BASE + 0x48)
+#define MTK_RTC_XOSCCALI       (MTK_RTC_BASE + 0x4C)
+#define MTK_RTC_POWERKEY1      (MTK_RTC_BASE + 0x50)
+#define MTK_RTC_POWERKEY2      (MTK_RTC_BASE + 0x54)
+#define MTK_RTC_PDN1           (MTK_RTC_BASE + 0x58)
+#define MTK_RTC_PDN2           (MTK_RTC_BASE + 0x5C)
+#define MTK_RTC_SPAR1          (MTK_RTC_BASE + 0x64)
+#define MTK_RTC_DIFF           (MTK_RTC_BASE + 0x6C)
+#define MTK_RTC_CALI           (MTK_RTC_BASE + 0x70)
+#define MTK_RTC_WRTGR          (MTK_RTC_BASE + 0x74)
+
+#define POWERKEY1_MAGIC                0xA357
+#define POWERKEY2_MAGIC                0x67D2
+
+/* RTC_BBPU bit fields definitions */
+#define RTC_BBPU_PWREN         (1 << 0)
+#define RTC_BBPU_WRITE_EN      (1 << 1)
+#define RTC_BBPU_BBPU          (1 << 2)
+#define RTC_BBPU_AUTO          (1 << 3)
+#define RTC_BBPU_CLRPKY                (1 << 4)
+#define RTC_BBPU_RELOAD                (1 << 5)
+#define RTC_BBPU_CBUSY         (1 << 6)
+#define RTC_BBPU_DBING         (1 << 7)
+#define RTC_BBPU_KEY_BBPU      (1 << 8)
+
+/* RTC_BBPU write is only acceptable when KEY_BBPU=0x43 */
+#define BBPU_MAGIC             0x4300
+
+/*
+ * PLL block section
+ */
+
+/* PLL registers definition */
+#define MTK_PLL_PLL            (MTK_PLL_BASE + 0x00)
+#define MTK_PLL_PLL2           (MTK_PLL_BASE + 0x04)
+#define MTK_PLL_CLK_CON                (MTK_PLL_BASE + 0x18)
+#define MTK_PLL_PDN_CON                (MTK_PLL_BASE + 0x1C)
+
+/* MTK_PLL_PLL bit fields definitions */
+#define PLL_PLLVCOSEL          (0 << 0)
+#define PLL_MPLLSEL_SYSCLK     (1 << 3)
+#define PLL_MPLLSEL_PLL                (2 << 3)
+#define PLL_DPLLSEL            (1 << 5)
+#define PLL_UPLLSEL            (1 << 6)
+#define PLL_RST                        (1 << 7)
+#define PLL_CALI               (1 << 8)
+
+/* MTK_PLL_CLK_CON bit fields definitions */
+#define PLL_CLKSQ_DIV2_DSP     (1 << 0)
+#define PLL_CLKSQ_DIV2_MCU     (1 << 1)
+#define PLL_CLKSQ_PLD          (1 << 2)
+#define PLL_SRCCLK             (1 << 7)
+#define PLL_CLKSQ_TEST         (1 << 15)
+
+/* MTK_PLL_PDN_CON bit fields definitions */
+#define PLL_PDN_CON_CLKSQ      (1 << 11)
+#define PLL_PDN_CON_MCU_DIV2   (1 << 12)
+#define PLL_PDN_CON_PLL                (1 << 13)
+#define PLL_PDN_CON_DSP_DIV2   (1 << 15)
+
+#endif