diff options
Diffstat (limited to 'board/mx1ads/mx1ads.c')
| -rw-r--r-- | board/mx1ads/mx1ads.c | 115 |
1 files changed, 58 insertions, 57 deletions
diff --git a/board/mx1ads/mx1ads.c b/board/mx1ads/mx1ads.c index 5c33ba3..abf2fd5 100644 --- a/board/mx1ads/mx1ads.c +++ b/board/mx1ads/mx1ads.c @@ -27,7 +27,7 @@ /*#include <mc9328.h>*/ #include <asm/arch/imx-regs.h> -/* ------------------------------------------------------------------------- */ +DECLARE_GLOBAL_DATA_PTR; #define FCLK_SPEED 1 @@ -55,10 +55,11 @@ #if 0 -static inline void delay (unsigned long loops) { +static inline void delay (unsigned long loops) +{ __asm__ volatile ("1:\n" - "subs %0, %1, #1\n" - "bne 1b":"=r" (loops):"0" (loops)); + "subs %0, %1, #1\n" + "bne 1b":"=r" (loops):"0" (loops)); } #endif @@ -67,62 +68,58 @@ static inline void delay (unsigned long loops) { * Miscellaneous platform dependent initialisations */ -void SetAsynchMode(void) { - __asm__ ( - "mrc p15,0,r0,c1,c0,0 \n" - "mov r2, #0xC0000000 \n" - "orr r0,r2,r0 \n" - "mcr p15,0,r0,c1,c0,0 \n" - ); +void SetAsynchMode (void) +{ + __asm__ ("mrc p15,0,r0,c1,c0,0 \n" + "mov r2, #0xC0000000 \n" + "orr r0,r2,r0 \n" "mcr p15,0,r0,c1,c0,0 \n"); } static u32 mc9328sid; -int board_init (void) { +int board_init (void) +{ + volatile unsigned int tmp; - DECLARE_GLOBAL_DATA_PTR; + mc9328sid = SIDR; - volatile unsigned int tmp; + GPCR = 0x000003AB; /* I/O pad driving strength */ - mc9328sid = SIDR; - - GPCR = 0x000003AB; /* I/O pad driving strength */ - -/* MX1_CS1U = 0x00000A00; */ /* SRAM initialization */ + /* MX1_CS1U = 0x00000A00; */ /* SRAM initialization */ /* MX1_CS1L = 0x11110601; */ - MPCTL0 = 0x04632410; /* setting for 150 MHz MCU PLL CLK */ + MPCTL0 = 0x04632410; /* setting for 150 MHz MCU PLL CLK */ /* set FCLK divider 1 (i.e. FCLK to MCU PLL CLK) and * BCLK divider to 2 (i.e. BCLK to 48 MHz) */ - CSCR = 0xAF000403; + CSCR = 0xAF000403; - CSCR |= 0x00200000; /* Trigger the restart bit(bit 21) */ - CSCR &= 0xFFFF7FFF; /* Program PRESC bit(bit 15) to 0 to divide-by-1 */ + CSCR |= 0x00200000; /* Trigger the restart bit(bit 21) */ + CSCR &= 0xFFFF7FFF; /* Program PRESC bit(bit 15) to 0 to divide-by-1 */ /* setup cs4 for cs8900 ethernet */ - CS4U = 0x00000F00; /* Initialize CS4 for CS8900 ethernet */ - CS4L = 0x00001501; + CS4U = 0x00000F00; /* Initialize CS4 for CS8900 ethernet */ + CS4L = 0x00001501; - GIUS(0) &= 0xFF3FFFFF; - GPR(0) &= 0xFF3FFFFF; + GIUS (0) &= 0xFF3FFFFF; + GPR (0) &= 0xFF3FFFFF; - tmp = *(unsigned int *)(0x1500000C); - tmp = *(unsigned int *)(0x1500000C); + tmp = *(unsigned int *) (0x1500000C); + tmp = *(unsigned int *) (0x1500000C); - SetAsynchMode(); + SetAsynchMode (); gd->bd->bi_arch_number = MACH_TYPE_MX1ADS; - gd->bd->bi_boot_params = 0x08000100; /* adress of boot parameters */ + gd->bd->bi_boot_params = 0x08000100; /* adress of boot parameters */ - icache_enable(); - dcache_enable(); + icache_enable (); + dcache_enable (); /* set PERCLKs */ - PCDR = 0x00000055; /* set PERCLKS */ + PCDR = 0x00000055; /* set PERCLKS */ /* PERCLK3 is only used by SSI so the SSI driver can set it any value it likes * PERCLK1 and PERCLK2 are shared so DO NOT change it in any other place @@ -135,34 +132,38 @@ int board_init (void) { return 0; } -int board_late_init(void) { - - setenv("stdout", "serial"); - setenv("stderr", "serial"); - - switch (mc9328sid) { - case 0x0005901d : - printf ("MX1ADS board with MC9328 MX1 (0L44N), Silicon ID 0x%08x \n\n",mc9328sid); - break; - case 0x04d4c01d : - printf ("MX1ADS board with MC9328 MXL (1L45N), Silicon ID 0x%08x \n\n",mc9328sid); - break; - case 0x00d4c01d : - printf ("MX1ADS board with MC9328 MXL (2L45N), Silicon ID 0x%08x \n\n",mc9328sid); - break; - - default : - printf ("MX1ADS board with UNKNOWN MC9328 cpu, Silicon ID 0x%08x \n",mc9328sid); - break; +int board_late_init (void) +{ + + setenv ("stdout", "serial"); + setenv ("stderr", "serial"); + + switch (mc9328sid) { + case 0x0005901d: + printf ("MX1ADS board with MC9328 MX1 (0L44N), Silicon ID 0x%08x \n\n", + mc9328sid); + break; + case 0x04d4c01d: + printf ("MX1ADS board with MC9328 MXL (1L45N), Silicon ID 0x%08x \n\n", + mc9328sid); + break; + case 0x00d4c01d: + printf ("MX1ADS board with MC9328 MXL (2L45N), Silicon ID 0x%08x \n\n", + mc9328sid); + break; + + default: + printf ("MX1ADS board with UNKNOWN MC9328 cpu, Silicon ID 0x%08x \n", + mc9328sid); + break; } return 0; } -int dram_init (void) { - DECLARE_GLOBAL_DATA_PTR; - +int dram_init (void) +{ gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; return 0; } |