plat/bcm/include/clk_rst.h

   1 /*
   2 <:copyright-BRCM:2013:DUAL/GPL:standard
   3
   4    Copyright (c) 2013 Broadcom
   5    All Rights Reserved
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License, version 2, as published by
   9 the Free Software Foundation (the "GPL").
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16
  17 A copy of the GPL is available at http://www.broadcom.com/licenses/GPLv2.php, or by
  18 writing to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.
  20
  21 :>
  22 */
  23
  24 #ifndef CLK_RST_H
  25 #define CLK_RST_H
  26
  27 #ifndef IS_BCMCHIP
  28 #define IS_BCMCHIP(num) (defined(_BCM9##num##_)||defined(CONFIG_BCM9##num)||\
  29                                 defined(CONFIG_BCM##num))
  30 #endif
  31
  32 /* pll dividers */
  33 struct PLL_DIVIDERS {
  34         unsigned int pdiv;
  35         unsigned int ndiv_int;
  36         unsigned int ndiv_frac;
  37         unsigned int ka;
  38         unsigned int ki;
  39         unsigned int kp;
  40 };
  41
  42 int pll_vco_freq_set(unsigned int pll_addr, struct PLL_DIVIDERS *divs);
  43 int pll_ch_freq_set(unsigned int pll_addr, unsigned int ch, unsigned int mdiv);
  44 int pll_ch_freq_get(unsigned int pll_addr, unsigned int ch, unsigned int *freq);
  45 int ddr_freq_set(unsigned long freq);
  46 int viper_freq_set(unsigned long freq);
  47 int rdp_freq_set(unsigned long freq);
  48 unsigned long get_rdp_freq(unsigned int *rdp_freq);
  49 #if IS_BCMCHIP(6858) || IS_BCMCHIP(6856) || IS_BCMCHIP(6878) || IS_BCMCHIP(6855)
  50 int pll_vco_freq_get(unsigned int pll_addr, unsigned int *fvco);
  51 int pll_ch_freq_vco_set(unsigned int pll_addr, unsigned int ch,
  52                         unsigned int mdiv, unsigned int use_vco);
  53 #endif
  54
  55 #if IS_BCMCHIP(6855)
  56 int pll_vco_config(unsigned int pll_addr, unsigned int ndivider, unsigned int pdivider);
  57 #endif
  58
  59 void set_vreg_clk(void);
  60
  61 #if IS_BCMCHIP(6858)
  62
  63 typedef enum {
  64         BCM_CPU_CLK_HIGH,
  65         BCM_CPU_CLK_LOW
  66 } BCM_CPU_CLK;
  67
  68 int bcm_change_cpu_clk(BCM_CPU_CLK clock);
  69
  70 #endif
  71
  72 #if IS_BCMCHIP(6858) || IS_BCMCHIP(6855)
  73 #define XRDPPLL_RUNNER_CHANNEL   0
  74 #endif
  75 #if IS_BCMCHIP(6856) || IS_BCMCHIP(6846)
  76 #define XRDPPLL_RUNNER_CHANNEL   1
  77 #endif
  78 #if IS_BCMCHIP(6878)
  79 #define SYSPLL_RUNNER_CHANNEL   0
  80 #endif
  81 #if IS_BCMCHIP(63158)
  82 /* TBD. Verify value. */
  83 #define XRDPPLL_RUNNER_CHANNEL   1
  84 #endif
  85 #endif /* #ifndef CLK_RST_H */