diff options
Diffstat (limited to 'tools/kwboot.c')
| -rw-r--r-- | tools/kwboot.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/tools/kwboot.c b/tools/kwboot.c index a6bfd3d4ce..84294cadfe 100644 --- a/tools/kwboot.c +++ b/tools/kwboot.c @@ -119,7 +119,7 @@ static unsigned char kwboot_baud_code[] = { /* ; writel(UART_BASE + DLL, new_dll); */ /* ; writel(UART_BASE + DLH, new_dlh); */ /* ; writel(UART_BASE + LCR, lcr & ~DLAB); */ - /* ; msleep(1); */ + /* ; msleep(5); */ /* ; return 0; */ /* ; } */ @@ -130,7 +130,7 @@ static unsigned char kwboot_baud_code[] = { 0x01, 0x00, 0x4d, 0xe3, /* movt r0, #0xd001 */ /* ; r2 = address of preamble string */ - 0xd0, 0x20, 0x8f, 0xe2, /* adr r2, preamble */ + 0xcc, 0x20, 0x8f, 0xe2, /* adr r2, preamble */ /* ; Send preamble string over UART */ /* .Lloop_preamble: */ @@ -177,15 +177,15 @@ static unsigned char kwboot_baud_code[] = { /* ; Read old baudrate value */ /* ; r2 = old_baudrate */ - 0x8c, 0x20, 0x9f, 0xe5, /* ldr r2, old_baudrate */ + 0x88, 0x20, 0x9f, 0xe5, /* ldr r2, old_baudrate */ /* ; Calculate base clock */ /* ; r1 = r2 * r1 */ 0x92, 0x01, 0x01, 0xe0, /* mul r1, r2, r1 */ /* ; Read new baudrate value */ - /* ; r2 = baudrate */ - 0x88, 0x20, 0x9f, 0xe5, /* ldr r2, baudrate */ + /* ; r2 = new_baudrate */ + 0x84, 0x20, 0x9f, 0xe5, /* ldr r2, new_baudrate */ /* ; Calculate new Divisor Latch */ /* ; r1 = DIV_ROUND(r1, r2) = */ @@ -225,10 +225,10 @@ static unsigned char kwboot_baud_code[] = { 0x80, 0x10, 0xc1, 0xe3, /* bic r1, r1, #0x80 */ 0x0c, 0x10, 0x80, 0xe5, /* str r1, [r0, #0x0c] */ - /* ; Sleep 1ms ~~ 600000 cycles at 1200 MHz */ - /* ; r1 = 600000 */ - 0x9f, 0x1d, 0xa0, 0xe3, /* mov r1, #0x27c0 */ - 0x09, 0x10, 0x40, 0xe3, /* movt r1, #0x0009 */ + /* ; Loop 0x2dc000 (2998272) cycles */ + /* ; which is about 5ms on 1200 MHz CPU */ + /* ; r1 = 0x2dc000 */ + 0xb7, 0x19, 0xa0, 0xe3, /* mov r1, #0x2dc000 */ /* .Lloop_sleep: */ 0x01, 0x10, 0x41, 0xe2, /* sub r1, r1, #1 */ 0x00, 0x00, 0x51, 0xe3, /* cmp r1, #0 */ |