diff options
Diffstat (limited to 'qemu/roms/u-boot/board/freescale/mpc8568mds/bcsr.c')
-rw-r--r-- | qemu/roms/u-boot/board/freescale/mpc8568mds/bcsr.c | 61 |
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 |