109 lines
2.5 KiB
C
109 lines
2.5 KiB
C
#include <common.h>
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#if (CONFIG_AUTO_UPDATE == 1)
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#include <linux/io.h>
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#include "update_comm.h"
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#include "auto_update_adapter.h"
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#if defined(CONFIG_TARGET_RATELVXX)
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static int check_update_button(void)
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{
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/* to add some judgement if neccessary */
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unsigned int sd_update_flag;
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printf("board check_update_button bootflag:0x%x REG_ROM_RUN_TIME:%d\n",
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readl(REG_START_FLAG), readl(REG_ROM_RUN_TIME));
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/* sd update */
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sd_update_flag = readl(REG_START_FLAG);
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if (SD_UPDATE_MODE(sd_update_flag))
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return UP_TRUE;
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/* usb device update */
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if (SD_UDISK_UPDATE_CHECK_NEED(sd_update_flag))
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return UP_TRUE; /* update enable */
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else
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return UP_FALSE;
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}
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static void clear_update_flag(void)
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{
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/* REG_UPDATE_MODE_CLEAR: write only */
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writel(0, REG_START_FLAG);
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}
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#else /* CONFIG_TARGET_RATELVXX */
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#define REG_SYS_BOOT6 0x0148
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#define SD_UPDAT_MAGIC 0x444f574e
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#define BIT_UPDATE_FLAG 2
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#define BIT_UPDATE_FLAG_CLEAR 0
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#define REG_SYS_STAT 0x008C
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#define REG_MISC_CTRL51 0x8200
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#ifndef REG_SC_DDRT14
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#define REG_SC_DDRT14 0x00C8
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#endif
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#define REG_UPDATE_MODE (SYS_CTRL_REG_BASE + REG_SYS_STAT)
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#define REG_UPDATE_MODE_CLEAR (SYS_CTRL_REG_BASE + REG_MISC_CTRL51)
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#define REG_BOOTSTRAP_FLAG (SYS_CTRL_REG_BASE + REG_SC_DDRT14)
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static int check_update_button(void)
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{
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unsigned int sd_update_flag;
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unsigned int update_mode = 0;
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/* sd update */
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sd_update_flag = readl(SYS_CTRL_REG_BASE + REG_SYS_BOOT6);
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if (sd_update_flag == SD_UPDAT_MAGIC) {
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printf("SD card upgrade\n");
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return UP_TRUE;
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}
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/* usb device update */
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update_mode = readl(REG_UPDATE_MODE);
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update_mode = ((update_mode >> BIT_UPDATE_FLAG) & 0x01);
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if (update_mode) {
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printf("U disk upgrade\n");
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return UP_TRUE;
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} else {
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printf("Upgrade flag disabled\n");
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return UP_FALSE;
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}
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}
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static void clear_update_flag(void)
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{
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unsigned int clear_value = 0x1;
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clear_value = (clear_value << BIT_UPDATE_FLAG_CLEAR);
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/* update mode clear */
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writel(clear_value, REG_UPDATE_MODE_CLEAR);
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/* set bootstrap flag */
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/* 0:主flash， 主uboot分区启动 */
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writel(0x00, REG_BOOTSTRAP_FLAG);
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}
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#endif /* CONFIG_TARGET_RATELVXX */
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void auto_update(void)
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{
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int update_flag = -1;
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printf("%s entry.\n", __func__);
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if (check_update_button()) {
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update_flag = do_auto_update();
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clear_update_flag();
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if (update_flag == 0) {
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printf("%s ok, reset.\n", __func__);
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do_reset(NULL, 0, 0, NULL);
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}
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}
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printf("%s exit.\n", __func__);
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}
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#endif // CONFIG_AUTO_UPDATE == 1
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