600-0017-rt2x00-rt2800lib-add-RFCSR-initialization-for-RT3883.patch 6.0 KB

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  1. From 99c659cf345640fd0f733cbcaf4583cc2c868ec0 Mon Sep 17 00:00:00 2001
  2. From: Gabor Juhos <juhosg@openwrt.org>
  3. Date: Mon, 29 Apr 2013 13:21:48 +0200
  4. Subject: [PATCH] rt2x00: rt2800lib: add RFCSR initialization for RT3883
  5. Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
  6. ---
  7. drivers/net/wireless/ralink/rt2x00/rt2800.h | 1 +
  8. drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 141 +++++++++++++++++++++++++++++++
  9. 2 files changed, 142 insertions(+)
  10. --- a/drivers/net/wireless/ralink/rt2x00/rt2800.h
  11. +++ b/drivers/net/wireless/ralink/rt2x00/rt2800.h
  12. @@ -2171,6 +2171,7 @@ struct mac_iveiv_entry {
  13. /*
  14. * RFCSR 2:
  15. */
  16. +#define RFCSR2_RESCAL_BP FIELD8(0x40)
  17. #define RFCSR2_RESCAL_EN FIELD8(0x80)
  18. /*
  19. --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  20. +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  21. @@ -6820,6 +6820,144 @@ static void rt2800_init_rfcsr_3593(struc
  22. /* TODO: enable stream mode support */
  23. }
  24. +static void rt2800_init_rfcsr_3883(struct rt2x00_dev *rt2x00dev)
  25. +{
  26. + u8 rfcsr;
  27. +
  28. + /* TODO: get the actual ECO value from the SoC */
  29. + const unsigned int eco = 5;
  30. +
  31. + rt2800_rf_init_calibration(rt2x00dev, 2);
  32. +
  33. + rt2800_rfcsr_write(rt2x00dev, 0, 0xe0);
  34. + rt2800_rfcsr_write(rt2x00dev, 1, 0x03);
  35. + rt2800_rfcsr_write(rt2x00dev, 2, 0x50);
  36. + rt2800_rfcsr_write(rt2x00dev, 3, 0x20);
  37. + rt2800_rfcsr_write(rt2x00dev, 4, 0x00);
  38. + rt2800_rfcsr_write(rt2x00dev, 5, 0x00);
  39. + rt2800_rfcsr_write(rt2x00dev, 6, 0x40);
  40. + rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
  41. + rt2800_rfcsr_write(rt2x00dev, 8, 0x5b);
  42. + rt2800_rfcsr_write(rt2x00dev, 9, 0x08);
  43. + rt2800_rfcsr_write(rt2x00dev, 10, 0xd3);
  44. + rt2800_rfcsr_write(rt2x00dev, 11, 0x48);
  45. + rt2800_rfcsr_write(rt2x00dev, 12, 0x1a);
  46. + rt2800_rfcsr_write(rt2x00dev, 13, 0x12);
  47. + rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
  48. + rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
  49. + rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
  50. +
  51. + /* RFCSR 17 will be initialized later based on the
  52. + * frequency offset stored in the EEPROM
  53. + */
  54. +
  55. + rt2800_rfcsr_write(rt2x00dev, 18, 0x40);
  56. + rt2800_rfcsr_write(rt2x00dev, 19, 0x00);
  57. + rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
  58. + rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
  59. + rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
  60. + rt2800_rfcsr_write(rt2x00dev, 23, 0xc0);
  61. + rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
  62. + rt2800_rfcsr_write(rt2x00dev, 25, 0x00);
  63. + rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
  64. + rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
  65. + rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
  66. + rt2800_rfcsr_write(rt2x00dev, 29, 0x00);
  67. + rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
  68. + rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
  69. + rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
  70. + rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
  71. + rt2800_rfcsr_write(rt2x00dev, 34, 0x20);
  72. + rt2800_rfcsr_write(rt2x00dev, 35, 0x00);
  73. + rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
  74. + rt2800_rfcsr_write(rt2x00dev, 37, 0x00);
  75. + rt2800_rfcsr_write(rt2x00dev, 38, 0x86);
  76. + rt2800_rfcsr_write(rt2x00dev, 39, 0x23);
  77. + rt2800_rfcsr_write(rt2x00dev, 40, 0x00);
  78. + rt2800_rfcsr_write(rt2x00dev, 41, 0x00);
  79. + rt2800_rfcsr_write(rt2x00dev, 42, 0x00);
  80. + rt2800_rfcsr_write(rt2x00dev, 43, 0x00);
  81. + rt2800_rfcsr_write(rt2x00dev, 44, 0x93);
  82. + rt2800_rfcsr_write(rt2x00dev, 45, 0xbb);
  83. + rt2800_rfcsr_write(rt2x00dev, 46, 0x60);
  84. + rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
  85. + rt2800_rfcsr_write(rt2x00dev, 48, 0x00);
  86. + rt2800_rfcsr_write(rt2x00dev, 49, 0x8e);
  87. + rt2800_rfcsr_write(rt2x00dev, 50, 0x86);
  88. + rt2800_rfcsr_write(rt2x00dev, 51, 0x51);
  89. + rt2800_rfcsr_write(rt2x00dev, 52, 0x05);
  90. + rt2800_rfcsr_write(rt2x00dev, 53, 0x76);
  91. + rt2800_rfcsr_write(rt2x00dev, 54, 0x76);
  92. + rt2800_rfcsr_write(rt2x00dev, 55, 0x76);
  93. + rt2800_rfcsr_write(rt2x00dev, 56, 0xdb);
  94. + rt2800_rfcsr_write(rt2x00dev, 57, 0x3e);
  95. + rt2800_rfcsr_write(rt2x00dev, 58, 0x00);
  96. + rt2800_rfcsr_write(rt2x00dev, 59, 0x00);
  97. + rt2800_rfcsr_write(rt2x00dev, 60, 0x00);
  98. + rt2800_rfcsr_write(rt2x00dev, 61, 0x00);
  99. + rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
  100. + rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
  101. +
  102. + /* TODO: rx filter calibration? */
  103. +
  104. + rt2800_bbp_write(rt2x00dev, 137, 0x0f);
  105. +
  106. + rt2800_bbp_write(rt2x00dev, 163, 0x9d);
  107. +
  108. + rt2800_bbp_write(rt2x00dev, 105, 0x05);
  109. +
  110. + rt2800_bbp_write(rt2x00dev, 179, 0x02);
  111. + rt2800_bbp_write(rt2x00dev, 180, 0x00);
  112. + rt2800_bbp_write(rt2x00dev, 182, 0x40);
  113. + rt2800_bbp_write(rt2x00dev, 180, 0x01);
  114. + rt2800_bbp_write(rt2x00dev, 182, 0x9c);
  115. +
  116. + rt2800_bbp_write(rt2x00dev, 179, 0x00);
  117. +
  118. + rt2800_bbp_write(rt2x00dev, 142, 0x04);
  119. + rt2800_bbp_write(rt2x00dev, 143, 0x3b);
  120. + rt2800_bbp_write(rt2x00dev, 142, 0x06);
  121. + rt2800_bbp_write(rt2x00dev, 143, 0xa0);
  122. + rt2800_bbp_write(rt2x00dev, 142, 0x07);
  123. + rt2800_bbp_write(rt2x00dev, 143, 0xa1);
  124. + rt2800_bbp_write(rt2x00dev, 142, 0x08);
  125. + rt2800_bbp_write(rt2x00dev, 143, 0xa2);
  126. + rt2800_bbp_write(rt2x00dev, 148, 0xc8);
  127. +
  128. + if (eco == 5) {
  129. + rt2800_rfcsr_write(rt2x00dev, 32, 0xd8);
  130. + rt2800_rfcsr_write(rt2x00dev, 33, 0x32);
  131. + }
  132. +
  133. + rt2800_rfcsr_read(rt2x00dev, 2, &rfcsr);
  134. + rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_BP, 0);
  135. + rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1);
  136. + rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
  137. + msleep(1);
  138. + rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 0);
  139. + rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
  140. +
  141. + rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
  142. + rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
  143. + rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
  144. +
  145. + rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
  146. + rfcsr |= 0xc0;
  147. + rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
  148. +
  149. + rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
  150. + rfcsr |= 0x20;
  151. + rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
  152. +
  153. + rt2800_rfcsr_read(rt2x00dev, 46, &rfcsr);
  154. + rfcsr |= 0x20;
  155. + rt2800_rfcsr_write(rt2x00dev, 46, rfcsr);
  156. +
  157. + rt2800_rfcsr_read(rt2x00dev, 20, &rfcsr);
  158. + rfcsr &= ~0xee;
  159. + rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
  160. +}
  161. +
  162. static void rt2800_init_rfcsr_5390(struct rt2x00_dev *rt2x00dev)
  163. {
  164. rt2800_rf_init_calibration(rt2x00dev, 2);
  165. @@ -7051,6 +7189,9 @@ static void rt2800_init_rfcsr(struct rt2
  166. case RT3390:
  167. rt2800_init_rfcsr_3390(rt2x00dev);
  168. break;
  169. + case RT3883:
  170. + rt2800_init_rfcsr_3883(rt2x00dev);
  171. + break;
  172. case RT3572:
  173. rt2800_init_rfcsr_3572(rt2x00dev);
  174. break;