arch/arm/mach-mt8127/include/mach/uncompress.h

   1 #ifndef __MT_UNCOMPRESS_H
   2 #define __MT_UNCOMPRESS_H
   3
   4 #include <asm/mach/arch.h>
   5 #include <asm/mach/time.h>
   6 #include <asm/mach/map.h>
   7 #include <asm/mach-types.h>
   8 #include <asm/page.h>
   9 #include "mt_reg_base.h"
  10
  11 #define MT_UART_PHY_BASE IO_VIRT_TO_PHYS(UART1_BASE)
  12
  13 #define MT_UART_LSR *(volatile unsigned char *)(MT_UART_PHY_BASE+0x14)
  14 #define MT_UART_THR *(volatile unsigned char *)(MT_UART_PHY_BASE+0x0)
  15 #define MT_UART_LCR *(volatile unsigned char *)(MT_UART_PHY_BASE+0xc)
  16 #define MT_UART_DLL *(volatile unsigned char *)(MT_UART_PHY_BASE+0x0)
  17 #define MT_UART_DLH *(volatile unsigned char *)(MT_UART_PHY_BASE+0x4)
  18 #define MT_UART_FCR *(volatile unsigned char *)(MT_UART_PHY_BASE+0x8)
  19 #define MT_UART_MCR *(volatile unsigned char *)(MT_UART_PHY_BASE+0x10)
  20 #define MT_UART_SPEED *(volatile unsigned char *)(MT_UART_PHY_BASE+0x24)
  21
  22
  23 static void arch_decomp_setup(void)
  24 {
  25     unsigned char tmp;
  26
  27 #if defined(CONFIG_MT_FPGA)
  28     MT_UART_LCR = 0x3;
  29     tmp = MT_UART_LCR;
  30     MT_UART_LCR = (tmp | 0x80);
  31     MT_UART_SPEED = 0x0;
  32     MT_UART_DLL = 0x0E;
  33     MT_UART_DLH = 0;
  34     MT_UART_LCR = tmp;
  35     MT_UART_FCR = 0x0047;
  36     MT_UART_MCR = (0x1 | 0x2);
  37 #endif
  38 }
  39
  40 /*
  41  * This does not append a newline
  42  */
  43 static inline void putc(int c)
  44 {
  45     while (!(MT_UART_LSR & 0x20));
  46     MT_UART_THR = c;
  47 }
  48
  49 static inline void flush(void)
  50 {
  51 }
  52
  53 /*
  54  * nothing to do
  55  */
  56 #define arch_decomp_wdog()
  57
  58 #endif
  59