diff options
Diffstat (limited to 'cpu/arm920t')
| -rw-r--r-- | cpu/arm920t/at91rm9200/Makefile | 2 | ||||
| -rw-r--r-- | cpu/arm920t/at91rm9200/dm9161.c | 11 | ||||
| -rw-r--r-- | cpu/arm920t/start.S | 93 |
3 files changed, 98 insertions, 8 deletions
diff --git a/cpu/arm920t/at91rm9200/Makefile b/cpu/arm920t/at91rm9200/Makefile index eaabad2..ab4c52c 100644 --- a/cpu/arm920t/at91rm9200/Makefile +++ b/cpu/arm920t/at91rm9200/Makefile @@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(SOC).a COBJS = bcm5221.o dm9161.o ether.o i2c.o interrupts.o \ - lxt972.o serial.o usb.o + lxt972.o serial.o usb.o spi.o SOBJS = lowlevel_init.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) diff --git a/cpu/arm920t/at91rm9200/dm9161.c b/cpu/arm920t/at91rm9200/dm9161.c index 968f653..1beb6e8 100644 --- a/cpu/arm920t/at91rm9200/dm9161.c +++ b/cpu/arm920t/at91rm9200/dm9161.c @@ -95,7 +95,7 @@ UCHAR dm9161_GetLinkSpeed (AT91PS_EMAC p_mac) return TRUE; } - if ((stat1 & DM9161_100BASE_T4_HD) && (stat2 & DM9161_100HDX)) { + if ((stat1 & DM9161_100BASE_TX_HD) && (stat2 & DM9161_100HDX)) { /*set MII for 100BaseTX and Half Duplex */ p_mac->EMAC_CFG = (p_mac->EMAC_CFG & ~(AT91C_EMAC_SPD | AT91C_EMAC_FD)) @@ -140,7 +140,7 @@ UCHAR dm9161_InitPhy (AT91PS_EMAC p_mac) at91rm9200_EmacReadPhy (p_mac, DM9161_MDINTR, &IntValue); /* set FDX, SPD, Link, INTR masks */ IntValue |= (DM9161_FDX_MASK | DM9161_SPD_MASK | - DM9161_LINK_MASK | DM9161_INTR_MASK); + DM9161_LINK_MASK | DM9161_INTR_MASK); at91rm9200_EmacWritePhy (p_mac, DM9161_MDINTR, &IntValue); at91rm9200_EmacDisableMDIO (p_mac); @@ -174,10 +174,11 @@ UCHAR dm9161_AutoNegotiate (AT91PS_EMAC p_mac, int *status) if (!at91rm9200_EmacWritePhy (p_mac, DM9161_BMCR, &value)) return FALSE; - /* Set the Auto_negotiation Advertisement Register */ - /* MII advertising for Next page, 100BaseTxFD and HD, 10BaseTFD and HD, IEEE 802.3 */ + /* Set the Auto_negotiation Advertisement Register */ + /* MII advertising for Next page, 100BaseTxFD and HD, */ + /* 10BaseTFD and HD, IEEE 802.3 */ PhyAnar = DM9161_NP | DM9161_TX_FDX | DM9161_TX_HDX | - DM9161_10_FDX | DM9161_10_HDX | DM9161_AN_IEEE_802_3; + DM9161_10_FDX | DM9161_10_HDX | DM9161_AN_IEEE_802_3; if (!at91rm9200_EmacWritePhy (p_mac, DM9161_ANAR, &PhyAnar)) return FALSE; diff --git a/cpu/arm920t/start.S b/cpu/arm920t/start.S index 346f0d0..b9c364b 100644 --- a/cpu/arm920t/start.S +++ b/cpu/arm920t/start.S @@ -27,7 +27,9 @@ #include <config.h> #include <version.h> - +#if defined(CONFIG_AT91RM9200DK) || defined(CONFIG_AT91RM9200EK) || defined(CONFIG_AT91RM9200DF) +#include <led.h> +#endif /* ************************************************************************* @@ -116,6 +118,69 @@ reset: orr r0,r0,#0xd3 msr cpsr,r0 +#if CONFIG_AT91RM9200 +#if defined(CONFIG_AT91RM9200DK) || defined(CONFIG_AT91RM9200EK) || defined(CONFIG_AT91RM9200DF) + bl LED_init + bl red_LED_on +#endif + +#ifdef CONFIG_BOOTBINFUNC +/* code based on entry.S from ATMEL */ +#define AT91C_BASE_CKGR 0xFFFFFC20 +#define CKGR_MOR 0 + /* Get the CKGR Base Address */ + ldr r1, =AT91C_BASE_CKGR + +/* Main oscillator Enable register APMC_MOR : Enable main oscillator , OSCOUNT = 0xFF */ +/* ldr r0, = AT91C_CKGR_MOSCEN:OR:AT91C_CKGR_OSCOUNT */ + ldr r0, =0x0000FF01 + str r0, [r1, #CKGR_MOR] + /* Add loop to compensate Main Oscillator startup time */ + ldr r0, =0x00000010 +LoopOsc: + subs r0, r0, #1 + bhi LoopOsc + /* scratch stack */ + ldr r1, =0x00204000 + /* Insure word alignment */ + bic r1, r1, #3 + /* Init stack SYS */ + mov sp, r1 + /* + * This does a lot more than just set up the memory, which + * is why it's called lowlevelinit + */ + bl lowlevelinit /* in memsetup.S */ + bl icache_enable; + /* ------------------------------------ + * Read/modify/write CP15 control register + * ------------------------------------- + * read cp15 control register (cp15 r1) in r0 + * ------------------------------------ + */ + mrc p15, 0, r0, c1, c0, 0 + /* Reset bit :Little Endian end fast bus mode */ + ldr r3, =0xC0000080 + /* Set bit :Asynchronous clock mode, Not Fast Bus */ + ldr r4, =0xC0000000 + bic r0, r0, r3 + orr r0, r0, r4 + /* write r0 in cp15 control register (cp15 r1) */ + mcr p15, 0, r0, c1, c0, 0 +#endif /* CONFIG_BOOTBINFUNC */ + /* + * relocate exeception table + */ + ldr r0, =_start + ldr r1, =0x0 + mov r2, #16 +copyex: + subs r2, r2, #1 + ldr r3, [r0], #4 + str r3, [r1], #4 + bne copyex +#endif + /* turn off the watchdog */ #if defined(CONFIG_S3C2400) # define pWTCON 0x15300000 @@ -160,6 +225,26 @@ reset: bl cpu_init_crit #endif +#ifdef CONFIG_AT91RM9200 +#ifdef CONFIG_BOOTBINFUNC +relocate: /* relocate U-Boot to RAM */ + adr r0, _start /* r0 <- current position of code */ + ldr r1, _TEXT_BASE /* test if we run from flash or RAM */ + cmp r0, r1 /* don't reloc during debug */ + beq stack_setup + + ldr r2, _armboot_start + ldr r3, _bss_start + sub r2, r3, r2 /* r2 <- size of armboot */ + add r2, r0, r2 /* r2 <- source end address */ + +copy_loop: + ldmia r0!, {r3-r10} /* copy from source address [r0] */ + stmia r1!, {r3-r10} /* copy to target address [r1] */ + cmp r0, r2 /* until source end addreee [r2] */ + ble copy_loop +#endif /* CONFIG_BOOTBINFUNC */ +#else #ifndef CONFIG_SKIP_RELOCATE_UBOOT relocate: /* relocate U-Boot to RAM */ adr r0, _start /* r0 <- current position of code */ @@ -178,7 +263,7 @@ copy_loop: cmp r0, r2 /* until source end addreee [r2] */ ble copy_loop #endif /* CONFIG_SKIP_RELOCATE_UBOOT */ - +#endif /* Set up the stack */ stack_setup: ldr r0, _TEXT_BASE /* upper 128 KiB: relocated uboot */ @@ -262,7 +347,11 @@ cpu_init_crit: * find a lowlevel_init.S in your board directory. */ mov ip, lr +#if defined(CONFIG_AT91RM9200DK) || defined(CONFIG_AT91RM9200EK) || defined(CONFIG_AT91RM9200DF) + +#else bl lowlevel_init +#endif mov lr, ip mov pc, lr #endif /* CONFIG_SKIP_LOWLEVEL_INIT */ |