apm821xx.h 2.7 KB

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  1. /*
  2. * Copyright (c) 2010, Applied Micro Circuits Corporation
  3. * Author: Tirumala R Marri <tmarri@apm.com>
  4. *
  5. * This program is free software; you can redistribute it and/or
  6. * modify it under the terms of the GNU General Public License as
  7. * published by the Free Software Foundation; either version 2 of
  8. * the License, or (at your option) any later version.
  9. *
  10. * This program is distributed in the hope that it will be useful,
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. * GNU General Public License for more details.
  14. *
  15. * You should have received a copy of the GNU General Public License
  16. * along with this program; if not, write to the Free Software
  17. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  18. * MA 02111-1307 USA
  19. */
  20. #ifndef _APM821XX_H_
  21. #define _APM821XX_H_
  22. #define CONFIG_SDRAM_PPC4xx_IBM_DDR2 /* IBM DDR(2) controller */
  23. /* Memory mapped registers */
  24. #define CONFIG_SYS_PERIPHERAL_BASE 0xEF600000
  25. #define CONFIG_SYS_NS16550_COM1 (CONFIG_SYS_PERIPHERAL_BASE + 0x0200)
  26. #define CONFIG_SYS_NS16550_COM2 (CONFIG_SYS_PERIPHERAL_BASE + 0x0300)
  27. #define GPIO0_BASE (CONFIG_SYS_PERIPHERAL_BASE + 0x0700)
  28. #define SDR0_SRST0_DMC 0x00200000
  29. #define SDR0_SRST1_AHB 0x00000040 /* PLB4XAHB bridge */
  30. /* AHB config. */
  31. #define AHB_TOP 0xA4
  32. #define AHB_BOT 0xA5
  33. /* clk divisors */
  34. #define PLLSYS0_FWD_DIV_A_MASK 0x000000f0 /* Fwd Div A */
  35. #define PLLSYS0_FWD_DIV_B_MASK 0x0000000f /* Fwd Div B */
  36. #define PLLSYS0_FB_DIV_MASK 0x0000ff00 /* Feedback divisor */
  37. #define PLLSYS0_OPB_DIV_MASK 0x0c000000 /* OPB Divisor */
  38. #define PLLSYS0_EPB_DIV_MASK 0x00000300 /* EPB divisor */
  39. #define PLLSYS0_EXTSL_MASK 0x00000080 /* PerClk feedback path */
  40. #define PLLSYS0_PLBEDV0_DIV_MASK 0xe0000000/* PLB Early Clk Div*/
  41. #define PLLSYS0_PERCLK_DIV_MASK 0x03000000 /* Peripheral Clk Divisor */
  42. #define PLLSYS0_SEL_MASK 0x18000000 /* 0 = PLL, 1 = PerClk */
  43. /*
  44. + * Clocking Controller
  45. + */
  46. #define CPR0_CLKUPD 0x0020
  47. #define CPR0_PLLC 0x0040
  48. #define CPR0_PLLC_SEL(pllc) (((pllc) & 0x01000000) >> 24)
  49. #define CPR0_PLLD 0x0060
  50. #define CPR0_PLLD_FDV(plld) (((plld) & 0xff000000) >> 24)
  51. #define CPR0_PLLD_FWDVA(plld) (((plld) & 0x000f0000) >> 16)
  52. #define CPR0_CPUD 0x0080
  53. #define CPR0_CPUD_CPUDV(cpud) (((cpud) & 0x07000000) >> 24)
  54. #define CPR0_PLB2D 0x00a0
  55. #define CPR0_PLB2D_PLB2DV(plb2d) (((plb2d) & 0x06000000) >> 25)
  56. #define CPR0_OPBD 0x00c0
  57. #define CPR0_OPBD_OPBDV(opbd) (((opbd) & 0x03000000) >> 24)
  58. #define CPR0_PERD 0x00e0
  59. #define CPR0_PERD_PERDV(perd) (((perd) & 0x03000000) >> 24)
  60. #define CPR0_DDR2D 0x0100
  61. #define CPR0_DDR2D_DDR2DV(ddr2d) (((ddr2d) & 0x06000000) >> 25)
  62. #define CLK_ICFG 0x0140
  63. #endif /* _APM821XX_H_ */