bcsr.c 1.4 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright 2007 Freescale Semiconductor.
  4. */
  5. #include <common.h>
  6. #include <flash.h>
  7. #include <asm/io.h>
  8. #include "bcsr.h"
  9. void enable_8568mds_duart(void)
  10. {
  11. volatile uint* duart_mux = (uint *)(CONFIG_SYS_CCSRBAR + 0xe0060);
  12. volatile uint* devices = (uint *)(CONFIG_SYS_CCSRBAR + 0xe0070);
  13. volatile u8 *bcsr = (u8 *)(CONFIG_SYS_BCSR);
  14. *duart_mux = 0x80000000; /* Set the mux to Duart on PMUXCR */
  15. *devices = 0; /* Enable all peripheral devices */
  16. bcsr[5] |= 0x01; /* Enable Duart in BCSR*/
  17. }
  18. void enable_8568mds_flash_write(void)
  19. {
  20. volatile u8 *bcsr = (u8 *)(CONFIG_SYS_BCSR);
  21. bcsr[9] |= 0x01;
  22. }
  23. void disable_8568mds_flash_write(void)
  24. {
  25. volatile u8 *bcsr = (u8 *)(CONFIG_SYS_BCSR);
  26. bcsr[9] &= ~(0x01);
  27. }
  28. void enable_8568mds_qe_mdio(void)
  29. {
  30. u8 *bcsr = (u8 *)(CONFIG_SYS_BCSR);
  31. bcsr[7] |= 0x01;
  32. }
  33. #if defined(CONFIG_UEC_ETH1) || defined(CONFIG_UEC_ETH2)
  34. void reset_8568mds_uccs(void)
  35. {
  36. volatile u8 *bcsr = (u8 *)(CONFIG_SYS_BCSR);
  37. /* Turn off UCC1 & UCC2 */
  38. out_8(&bcsr[8], in_8(&bcsr[8]) & ~BCSR_UCC1_GETH_EN);
  39. out_8(&bcsr[9], in_8(&bcsr[9]) & ~BCSR_UCC2_GETH_EN);
  40. /* Mode is RGMII, all bits clear */
  41. out_8(&bcsr[11], in_8(&bcsr[11]) & ~(BCSR_UCC1_MODE_MSK |
  42. BCSR_UCC2_MODE_MSK));
  43. /* Turn UCC1 & UCC2 on */
  44. out_8(&bcsr[8], in_8(&bcsr[8]) | BCSR_UCC1_GETH_EN);
  45. out_8(&bcsr[9], in_8(&bcsr[9]) | BCSR_UCC2_GETH_EN);
  46. }
  47. #endif