initial import
[patches.git] / u-boot-init-rts.patch
CommitLineData
5e993f12 1Index: cpu/bf548/init_sdram.S
2===================================================================
3--- cpu/bf548/init_sdram.S (revision 817)
4+++ cpu/bf548/init_sdram.S (working copy)
5@@ -38,6 +38,15 @@ init_sdram:
6 [--SP] = (R7:0);
7 [--SP] = (P5:0);
8
9+#if (BFIN_BOOT_MODE == BFIN_UART_BOOT)
10+ /* force RTS rather than relying on auto RTS */
11+ P3.h = hi(UART1_MCR)
12+ P3.l = lo(UART1_MCR)
13+ R0 = w[P3];
14+ bitset(R0, 5);
15+ w[p3] = R0;
16+#endif
17+
18 /*************************************************
19 * System interrupt wakeup registers (SIC_IWRx) *
20 * Required for PLL_CTL and VR_CTL configuration *
21@@ -239,8 +248,17 @@ test_failed:
22 r0.l = 0x0080; /* Test failed, light on LED2 */
23 w[p0]= r0;
24 ssync
25-
26 ddr_init_end:
27+
28+#if (BFIN_BOOT_MODE == BFIN_UART_BOOT)
29+ /* clear forced RTS rather than relying on auto RTS */
30+ P3.h = hi(UART1_MCR)
31+ P3.l = lo(UART1_MCR)
32+ R0 = w[P3];
33+ bitclr(R0, 5);
34+ w[p3] = R0;
35+#endif
36+
37 (P5:0) = [SP++];
38 (R7:0) = [SP++];
39 RETS = [SP++];