m525xsim.h 11 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /****************************************************************************/
  3. /*
  4. * m525xsim.h -- ColdFire 525x System Integration Module support.
  5. *
  6. * (C) Copyright 2012, Steven king <[email protected]>
  7. * (C) Copyright 2002, Greg Ungerer ([email protected])
  8. */
  9. /****************************************************************************/
  10. #ifndef m525xsim_h
  11. #define m525xsim_h
  12. /****************************************************************************/
  13. /*
  14. * This header supports ColdFire 5249, 5251 and 5253. There are a few
  15. * little differences between them, but most of the peripheral support
  16. * can be used by all of them.
  17. */
  18. #define CPU_NAME "COLDFIRE(m525x)"
  19. #define CPU_INSTR_PER_JIFFY 3
  20. #define MCF_BUSCLK (MCF_CLK / 2)
  21. #include <asm/m52xxacr.h>
  22. /*
  23. * The 525x has a second MBAR region, define its address.
  24. */
  25. #define MCF_MBAR2 0x80000000
  26. /*
  27. * Define the 525x SIM register set addresses.
  28. */
  29. #define MCFSIM_RSR (MCF_MBAR + 0x00) /* Reset Status */
  30. #define MCFSIM_SYPCR (MCF_MBAR + 0x01) /* System Protection */
  31. #define MCFSIM_SWIVR (MCF_MBAR + 0x02) /* SW Watchdog intr */
  32. #define MCFSIM_SWSR (MCF_MBAR + 0x03) /* SW Watchdog srv */
  33. #define MCFSIM_MPARK (MCF_MBAR + 0x0C) /* BUS Master Ctrl */
  34. #define MCFSIM_IPR (MCF_MBAR + 0x40) /* Interrupt Pending */
  35. #define MCFSIM_IMR (MCF_MBAR + 0x44) /* Interrupt Mask */
  36. #define MCFSIM_ICR0 (MCF_MBAR + 0x4c) /* Intr Ctrl reg 0 */
  37. #define MCFSIM_ICR1 (MCF_MBAR + 0x4d) /* Intr Ctrl reg 1 */
  38. #define MCFSIM_ICR2 (MCF_MBAR + 0x4e) /* Intr Ctrl reg 2 */
  39. #define MCFSIM_ICR3 (MCF_MBAR + 0x4f) /* Intr Ctrl reg 3 */
  40. #define MCFSIM_ICR4 (MCF_MBAR + 0x50) /* Intr Ctrl reg 4 */
  41. #define MCFSIM_ICR5 (MCF_MBAR + 0x51) /* Intr Ctrl reg 5 */
  42. #define MCFSIM_ICR6 (MCF_MBAR + 0x52) /* Intr Ctrl reg 6 */
  43. #define MCFSIM_ICR7 (MCF_MBAR + 0x53) /* Intr Ctrl reg 7 */
  44. #define MCFSIM_ICR8 (MCF_MBAR + 0x54) /* Intr Ctrl reg 8 */
  45. #define MCFSIM_ICR9 (MCF_MBAR + 0x55) /* Intr Ctrl reg 9 */
  46. #define MCFSIM_ICR10 (MCF_MBAR + 0x56) /* Intr Ctrl reg 10 */
  47. #define MCFSIM_ICR11 (MCF_MBAR + 0x57) /* Intr Ctrl reg 11 */
  48. #define MCFSIM_CSAR0 (MCF_MBAR + 0x80) /* CS 0 Address reg */
  49. #define MCFSIM_CSMR0 (MCF_MBAR + 0x84) /* CS 0 Mask reg */
  50. #define MCFSIM_CSCR0 (MCF_MBAR + 0x8a) /* CS 0 Control reg */
  51. #define MCFSIM_CSAR1 (MCF_MBAR + 0x8c) /* CS 1 Address reg */
  52. #define MCFSIM_CSMR1 (MCF_MBAR + 0x90) /* CS 1 Mask reg */
  53. #define MCFSIM_CSCR1 (MCF_MBAR + 0x96) /* CS 1 Control reg */
  54. #define MCFSIM_CSAR2 (MCF_MBAR + 0x98) /* CS 2 Address reg */
  55. #define MCFSIM_CSMR2 (MCF_MBAR + 0x9c) /* CS 2 Mask reg */
  56. #define MCFSIM_CSCR2 (MCF_MBAR + 0xa2) /* CS 2 Control reg */
  57. #define MCFSIM_CSAR3 (MCF_MBAR + 0xa4) /* CS 3 Address reg */
  58. #define MCFSIM_CSMR3 (MCF_MBAR + 0xa8) /* CS 3 Mask reg */
  59. #define MCFSIM_CSCR3 (MCF_MBAR + 0xae) /* CS 3 Control reg */
  60. #define MCFSIM_CSAR4 (MCF_MBAR + 0xb0) /* CS 4 Address reg */
  61. #define MCFSIM_CSMR4 (MCF_MBAR + 0xb4) /* CS 4 Mask reg */
  62. #define MCFSIM_CSCR4 (MCF_MBAR + 0xba) /* CS 4 Control reg */
  63. #define MCFSIM_DCR (MCF_MBAR + 0x100) /* DRAM Control */
  64. #define MCFSIM_DACR0 (MCF_MBAR + 0x108) /* DRAM 0 Addr/Ctrl */
  65. #define MCFSIM_DMR0 (MCF_MBAR + 0x10c) /* DRAM 0 Mask */
  66. #define MCFSIM_DACR1 (MCF_MBAR + 0x110) /* DRAM 1 Addr/Ctrl */
  67. #define MCFSIM_DMR1 (MCF_MBAR + 0x114) /* DRAM 1 Mask */
  68. /*
  69. * Secondary Interrupt Controller (in MBAR2)
  70. */
  71. #define MCFINTC2_INTBASE (MCF_MBAR2 + 0x168) /* Base Vector Reg */
  72. #define MCFINTC2_INTPRI1 (MCF_MBAR2 + 0x140) /* 0-7 priority */
  73. #define MCFINTC2_INTPRI2 (MCF_MBAR2 + 0x144) /* 8-15 priority */
  74. #define MCFINTC2_INTPRI3 (MCF_MBAR2 + 0x148) /* 16-23 priority */
  75. #define MCFINTC2_INTPRI4 (MCF_MBAR2 + 0x14c) /* 24-31 priority */
  76. #define MCFINTC2_INTPRI5 (MCF_MBAR2 + 0x150) /* 32-39 priority */
  77. #define MCFINTC2_INTPRI6 (MCF_MBAR2 + 0x154) /* 40-47 priority */
  78. #define MCFINTC2_INTPRI7 (MCF_MBAR2 + 0x158) /* 48-55 priority */
  79. #define MCFINTC2_INTPRI8 (MCF_MBAR2 + 0x15c) /* 56-63 priority */
  80. #define MCFINTC2_INTPRI_REG(i) (MCFINTC2_INTPRI1 + \
  81. ((((i) - MCFINTC2_VECBASE) / 8) * 4))
  82. #define MCFINTC2_INTPRI_BITS(b, i) ((b) << (((i) % 8) * 4))
  83. /*
  84. * Timer module.
  85. */
  86. #define MCFTIMER_BASE1 (MCF_MBAR + 0x140) /* Base of TIMER1 */
  87. #define MCFTIMER_BASE2 (MCF_MBAR + 0x180) /* Base of TIMER2 */
  88. /*
  89. * UART module.
  90. */
  91. #define MCFUART_BASE0 (MCF_MBAR + 0x1c0) /* Base address UART0 */
  92. #define MCFUART_BASE1 (MCF_MBAR + 0x200) /* Base address UART1 */
  93. /*
  94. * QSPI module.
  95. */
  96. #define MCFQSPI_BASE (MCF_MBAR + 0x400) /* Base address QSPI */
  97. #define MCFQSPI_SIZE 0x40 /* Register set size */
  98. #ifdef CONFIG_M5249
  99. #define MCFQSPI_CS0 29
  100. #define MCFQSPI_CS1 24
  101. #define MCFQSPI_CS2 21
  102. #define MCFQSPI_CS3 22
  103. #else
  104. #define MCFQSPI_CS0 15
  105. #define MCFQSPI_CS1 16
  106. #define MCFQSPI_CS2 24
  107. #define MCFQSPI_CS3 28
  108. #endif
  109. /*
  110. * I2C module.
  111. */
  112. #define MCFI2C_BASE0 (MCF_MBAR + 0x280) /* Base address I2C0 */
  113. #define MCFI2C_SIZE0 0x20 /* Register set size */
  114. #define MCFI2C_BASE1 (MCF_MBAR2 + 0x440) /* Base address I2C1 */
  115. #define MCFI2C_SIZE1 0x20 /* Register set size */
  116. /*
  117. * DMA unit base addresses.
  118. */
  119. #define MCFDMA_BASE0 (MCF_MBAR + 0x300) /* Base address DMA 0 */
  120. #define MCFDMA_BASE1 (MCF_MBAR + 0x340) /* Base address DMA 1 */
  121. #define MCFDMA_BASE2 (MCF_MBAR + 0x380) /* Base address DMA 2 */
  122. #define MCFDMA_BASE3 (MCF_MBAR + 0x3C0) /* Base address DMA 3 */
  123. /*
  124. * Some symbol defines for the above...
  125. */
  126. #define MCFSIM_SWDICR MCFSIM_ICR0 /* Watchdog timer ICR */
  127. #define MCFSIM_TIMER1ICR MCFSIM_ICR1 /* Timer 1 ICR */
  128. #define MCFSIM_TIMER2ICR MCFSIM_ICR2 /* Timer 2 ICR */
  129. #define MCFSIM_I2CICR MCFSIM_ICR3 /* I2C ICR */
  130. #define MCFSIM_UART1ICR MCFSIM_ICR4 /* UART 1 ICR */
  131. #define MCFSIM_UART2ICR MCFSIM_ICR5 /* UART 2 ICR */
  132. #define MCFSIM_DMA0ICR MCFSIM_ICR6 /* DMA 0 ICR */
  133. #define MCFSIM_DMA1ICR MCFSIM_ICR7 /* DMA 1 ICR */
  134. #define MCFSIM_DMA2ICR MCFSIM_ICR8 /* DMA 2 ICR */
  135. #define MCFSIM_DMA3ICR MCFSIM_ICR9 /* DMA 3 ICR */
  136. #define MCFSIM_QSPIICR MCFSIM_ICR10 /* QSPI ICR */
  137. /*
  138. * Define system peripheral IRQ usage.
  139. */
  140. #define MCF_IRQ_QSPI 28 /* QSPI, Level 4 */
  141. #define MCF_IRQ_I2C0 29
  142. #define MCF_IRQ_TIMER 30 /* Timer0, Level 6 */
  143. #define MCF_IRQ_PROFILER 31 /* Timer1, Level 7 */
  144. #define MCF_IRQ_UART0 73 /* UART0 */
  145. #define MCF_IRQ_UART1 74 /* UART1 */
  146. /*
  147. * Define the base interrupt for the second interrupt controller.
  148. * We set it to 128, out of the way of the base interrupts, and plenty
  149. * of room for its 64 interrupts.
  150. */
  151. #define MCFINTC2_VECBASE 128
  152. #define MCF_IRQ_GPIO0 (MCFINTC2_VECBASE + 32)
  153. #define MCF_IRQ_GPIO1 (MCFINTC2_VECBASE + 33)
  154. #define MCF_IRQ_GPIO2 (MCFINTC2_VECBASE + 34)
  155. #define MCF_IRQ_GPIO3 (MCFINTC2_VECBASE + 35)
  156. #define MCF_IRQ_GPIO4 (MCFINTC2_VECBASE + 36)
  157. #define MCF_IRQ_GPIO5 (MCFINTC2_VECBASE + 37)
  158. #define MCF_IRQ_GPIO6 (MCFINTC2_VECBASE + 38)
  159. #define MCF_IRQ_GPIO7 (MCFINTC2_VECBASE + 39)
  160. #define MCF_IRQ_USBWUP (MCFINTC2_VECBASE + 40)
  161. #define MCF_IRQ_I2C1 (MCFINTC2_VECBASE + 62)
  162. /*
  163. * General purpose IO registers (in MBAR2).
  164. */
  165. #define MCFSIM2_GPIOREAD (MCF_MBAR2 + 0x000) /* GPIO read values */
  166. #define MCFSIM2_GPIOWRITE (MCF_MBAR2 + 0x004) /* GPIO write values */
  167. #define MCFSIM2_GPIOENABLE (MCF_MBAR2 + 0x008) /* GPIO enabled */
  168. #define MCFSIM2_GPIOFUNC (MCF_MBAR2 + 0x00C) /* GPIO function */
  169. #define MCFSIM2_GPIO1READ (MCF_MBAR2 + 0x0B0) /* GPIO1 read values */
  170. #define MCFSIM2_GPIO1WRITE (MCF_MBAR2 + 0x0B4) /* GPIO1 write values */
  171. #define MCFSIM2_GPIO1ENABLE (MCF_MBAR2 + 0x0B8) /* GPIO1 enabled */
  172. #define MCFSIM2_GPIO1FUNC (MCF_MBAR2 + 0x0BC) /* GPIO1 function */
  173. #define MCFSIM2_GPIOINTSTAT (MCF_MBAR2 + 0xc0) /* GPIO intr status */
  174. #define MCFSIM2_GPIOINTCLEAR (MCF_MBAR2 + 0xc0) /* GPIO intr clear */
  175. #define MCFSIM2_GPIOINTENABLE (MCF_MBAR2 + 0xc4) /* GPIO intr enable */
  176. #define MCFSIM2_DMAROUTE (MCF_MBAR2 + 0x188) /* DMA routing */
  177. #define MCFSIM2_IDECONFIG1 (MCF_MBAR2 + 0x18c) /* IDEconfig1 */
  178. #define MCFSIM2_IDECONFIG2 (MCF_MBAR2 + 0x190) /* IDEconfig2 */
  179. /*
  180. * Generic GPIO support
  181. */
  182. #define MCFGPIO_PIN_MAX 64
  183. #ifdef CONFIG_M5249
  184. #define MCFGPIO_IRQ_MAX -1
  185. #define MCFGPIO_IRQ_VECBASE -1
  186. #else
  187. #define MCFGPIO_IRQ_MAX 7
  188. #define MCFGPIO_IRQ_VECBASE MCF_IRQ_GPIO0
  189. #endif
  190. /****************************************************************************/
  191. #ifdef __ASSEMBLER__
  192. #ifdef CONFIG_M5249C3
  193. /*
  194. * The M5249C3 board needs a little help getting all its SIM devices
  195. * initialized at kernel start time. dBUG doesn't set much up, so
  196. * we need to do it manually.
  197. */
  198. .macro m5249c3_setup
  199. /*
  200. * Set MBAR1 and MBAR2, just incase they are not set.
  201. */
  202. movel #0x10000001,%a0
  203. movec %a0,%MBAR /* map MBAR region */
  204. subql #1,%a0 /* get MBAR address in a0 */
  205. movel #0x80000001,%a1
  206. movec %a1,#3086 /* map MBAR2 region */
  207. subql #1,%a1 /* get MBAR2 address in a1 */
  208. /*
  209. * Move secondary interrupts to their base (128).
  210. */
  211. moveb #MCFINTC2_VECBASE,%d0
  212. moveb %d0,0x16b(%a1) /* interrupt base register */
  213. /*
  214. * Work around broken CSMR0/DRAM vector problem.
  215. */
  216. movel #0x001F0021,%d0 /* disable C/I bit */
  217. movel %d0,0x84(%a0) /* set CSMR0 */
  218. /*
  219. * Disable the PLL firstly. (Who knows what state it is
  220. * in here!).
  221. */
  222. movel 0x180(%a1),%d0 /* get current PLL value */
  223. andl #0xfffffffe,%d0 /* PLL bypass first */
  224. movel %d0,0x180(%a1) /* set PLL register */
  225. nop
  226. #if CONFIG_CLOCK_FREQ == 140000000
  227. /*
  228. * Set initial clock frequency. This assumes M5249C3 board
  229. * is fitted with 11.2896MHz crystal. It will program the
  230. * PLL for 140MHz. Lets go fast :-)
  231. */
  232. movel #0x125a40f0,%d0 /* set for 140MHz */
  233. movel %d0,0x180(%a1) /* set PLL register */
  234. orl #0x1,%d0
  235. movel %d0,0x180(%a1) /* set PLL register */
  236. #endif
  237. /*
  238. * Setup CS1 for ethernet controller.
  239. * (Setup as per M5249C3 doco).
  240. */
  241. movel #0xe0000000,%d0 /* CS1 mapped at 0xe0000000 */
  242. movel %d0,0x8c(%a0)
  243. movel #0x001f0021,%d0 /* CS1 size of 1Mb */
  244. movel %d0,0x90(%a0)
  245. movew #0x0080,%d0 /* CS1 = 16bit port, AA */
  246. movew %d0,0x96(%a0)
  247. /*
  248. * Setup CS2 for IDE interface.
  249. */
  250. movel #0x50000000,%d0 /* CS2 mapped at 0x50000000 */
  251. movel %d0,0x98(%a0)
  252. movel #0x001f0001,%d0 /* CS2 size of 1MB */
  253. movel %d0,0x9c(%a0)
  254. movew #0x0080,%d0 /* CS2 = 16bit, TA */
  255. movew %d0,0xa2(%a0)
  256. movel #0x00107000,%d0 /* IDEconfig1 */
  257. movel %d0,0x18c(%a1)
  258. movel #0x000c0400,%d0 /* IDEconfig2 */
  259. movel %d0,0x190(%a1)
  260. movel #0x00080000,%d0 /* GPIO19, IDE reset bit */
  261. orl %d0,0xc(%a1) /* function GPIO19 */
  262. orl %d0,0x8(%a1) /* enable GPIO19 as output */
  263. orl %d0,0x4(%a1) /* de-assert IDE reset */
  264. .endm
  265. #define PLATFORM_SETUP m5249c3_setup
  266. #endif /* CONFIG_M5249C3 */
  267. #endif /* __ASSEMBLER__ */
  268. /****************************************************************************/
  269. #endif /* m525xsim_h */