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Diffstat (limited to 'qemu/roms/u-boot/board/freescale/mpc8568mds/bcsr.c')
-rw-r--r--qemu/roms/u-boot/board/freescale/mpc8568mds/bcsr.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/freescale/mpc8568mds/bcsr.c b/qemu/roms/u-boot/board/freescale/mpc8568mds/bcsr.c
new file mode 100644
index 000000000..4a6105cb1
--- /dev/null
+++ b/qemu/roms/u-boot/board/freescale/mpc8568mds/bcsr.c
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2007 Freescale Semiconductor.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+
+#include "bcsr.h"
+
+void enable_8568mds_duart(void)
+{
+ volatile uint* duart_mux = (uint *)(CONFIG_SYS_CCSRBAR + 0xe0060);
+ volatile uint* devices = (uint *)(CONFIG_SYS_CCSRBAR + 0xe0070);
+ volatile u8 *bcsr = (u8 *)(CONFIG_SYS_BCSR);
+
+ *duart_mux = 0x80000000; /* Set the mux to Duart on PMUXCR */
+ *devices = 0; /* Enable all peripheral devices */
+ bcsr[5] |= 0x01; /* Enable Duart in BCSR*/
+}
+
+void enable_8568mds_flash_write(void)
+{
+ volatile u8 *bcsr = (u8 *)(CONFIG_SYS_BCSR);
+
+ bcsr[9] |= 0x01;
+}
+
+void disable_8568mds_flash_write(void)
+{
+ volatile u8 *bcsr = (u8 *)(CONFIG_SYS_BCSR);
+
+ bcsr[9] &= ~(0x01);
+}
+
+void enable_8568mds_qe_mdio(void)
+{
+ u8 *bcsr = (u8 *)(CONFIG_SYS_BCSR);
+
+ bcsr[7] |= 0x01;
+}
+
+#if defined(CONFIG_UEC_ETH1) || defined(CONFIG_UEC_ETH2)
+void reset_8568mds_uccs(void)
+{
+ volatile u8 *bcsr = (u8 *)(CONFIG_SYS_BCSR);
+
+ /* Turn off UCC1 & UCC2 */
+ out_8(&bcsr[8], in_8(&bcsr[8]) & ~BCSR_UCC1_GETH_EN);
+ out_8(&bcsr[9], in_8(&bcsr[9]) & ~BCSR_UCC2_GETH_EN);
+
+ /* Mode is RGMII, all bits clear */
+ out_8(&bcsr[11], in_8(&bcsr[11]) & ~(BCSR_UCC1_MODE_MSK |
+ BCSR_UCC2_MODE_MSK));
+
+ /* Turn UCC1 & UCC2 on */
+ out_8(&bcsr[8], in_8(&bcsr[8]) | BCSR_UCC1_GETH_EN);
+ out_8(&bcsr[9], in_8(&bcsr[9]) | BCSR_UCC2_GETH_EN);
+}
+#endif