diff options
author | Marian Balakowicz <m8@semihalf.com> | 2006-04-27 19:12:19 +0200 |
---|---|---|
committer | Marian Balakowicz <m8@semihalf.com> | 2006-04-27 19:12:19 +0200 |
commit | 7a635e004ec12bd2a0bae9f90fbb5769b524a42e (patch) | |
tree | 9c0b3d146c12454e95395411094d420bc5b4a3d3 /cpu | |
parent | 76544f80e476a7a0cc3a0bbce853354f2c6a61e2 (diff) | |
parent | f8c3b4f310a36e19d00d0f87fb37587abb65621d (diff) |
Add support for Freescale M5271: Merge with /work/u-boot.mcf5271
Diffstat (limited to 'cpu')
-rw-r--r-- | cpu/mcf52x2/cpu.c | 40 | ||||
-rw-r--r-- | cpu/mcf52x2/cpu_init.c | 37 | ||||
-rw-r--r-- | cpu/mcf52x2/fec.c | 22 | ||||
-rw-r--r-- | cpu/mcf52x2/interrupts.c | 7 | ||||
-rw-r--r-- | cpu/mcf52x2/serial.c | 8 | ||||
-rw-r--r-- | cpu/mcf52x2/start.S | 34 |
6 files changed, 144 insertions, 4 deletions
diff --git a/cpu/mcf52x2/cpu.c b/cpu/mcf52x2/cpu.c index 32a524f7e7..302832bd43 100644 --- a/cpu/mcf52x2/cpu.c +++ b/cpu/mcf52x2/cpu.c @@ -25,6 +25,11 @@ #include <watchdog.h> #include <command.h> +#ifdef CONFIG_M5271 +#include <asm/immap_5271.h> +#include <asm/m5271.h> +#endif + #ifdef CONFIG_M5272 #include <asm/immap_5272.h> #include <asm/m5272.h> @@ -38,6 +43,41 @@ #include <asm/m5249.h> #endif +#ifdef CONFIG_M5271 +int checkcpu (void) +{ + puts ("CPU: MOTOROLA Coldfire MCF5271\n"); + return 0; +} + +int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) { + mbar_writeByte(MCF_RCM_RCR, + MCF_RCM_RCR_SOFTRST | MCF_RCM_RCR_FRCRSTOUT); + return 0; +}; + +#if defined(CONFIG_WATCHDOG) +void watchdog_reset (void) +{ + mbar_writeShort(MCF_WTM_WSR, 0x5555); + mbar_writeShort(MCF_WTM_WSR, 0xAAAA); +} + +int watchdog_disable (void) +{ + mbar_writeShort(MCF_WTM_WCR, 0); + return (0); +} + +int watchdog_init (void) +{ + mbar_writeShort(MCF_WTM_WCNTR, CONFIG_WATCHDOG_TIMEOUT); + mbar_writeShort(MCF_WTM_WCR, MCF_WTM_WCR_EN); + return (0); +} +#endif /* #ifdef CONFIG_WATCHDOG */ + +#endif #ifdef CONFIG_M5272 int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) { diff --git a/cpu/mcf52x2/cpu_init.c b/cpu/mcf52x2/cpu_init.c index 350c431dba..d33adc2dcb 100644 --- a/cpu/mcf52x2/cpu_init.c +++ b/cpu/mcf52x2/cpu_init.c @@ -24,6 +24,11 @@ #include <common.h> #include <watchdog.h> +#ifdef CONFIG_M5271 +#include <asm/m5271.h> +#include <asm/immap_5271.h> +#endif + #ifdef CONFIG_M5272 #include <asm/m5272.h> #include <asm/immap_5272.h> @@ -38,6 +43,38 @@ #include <asm/m5249.h> #endif +#if defined(CONFIG_M5271) +void cpu_init_f (void) +{ +#ifndef CONFIG_WATCHDOG + /* Disable the watchdog if we aren't using it */ + mbar_writeShort(MCF_WTM_WCR, 0); +#endif + + /* Set clockspeed to 100MHz */ + mbar_writeShort(MCF_FMPLL_SYNCR, + MCF_FMPLL_SYNCR_MFD(0) | MCF_FMPLL_SYNCR_RFD(0)); + while (!mbar_readByte(MCF_FMPLL_SYNSR) & MCF_FMPLL_SYNSR_LOCK); + + /* Enable UART pins */ + mbar_writeShort(MCF_GPIO_PAR_UART, MCF_GPIO_PAR_UART_U0TXD | + MCF_GPIO_PAR_UART_U0RXD | + MCF_GPIO_PAR_UART_U1RXD_UART1 | + MCF_GPIO_PAR_UART_U1TXD_UART1); + + /* Enable Ethernet pins */ + mbar_writeByte(MCF_GPIO_PAR_FECI2C, CFG_FECI2C); +} + +/* + * initialize higher level parts of CPU like timers + */ +int cpu_init_r (void) +{ + return (0); +} +#endif + #if defined(CONFIG_M5272) /* * Breath some life into the CPU... diff --git a/cpu/mcf52x2/fec.c b/cpu/mcf52x2/fec.c index a5c50af63c..f207dd6acb 100644 --- a/cpu/mcf52x2/fec.c +++ b/cpu/mcf52x2/fec.c @@ -25,6 +25,11 @@ #include <malloc.h> #include <asm/fec.h> +#ifdef CONFIG_M5271 +#include <asm/m5271.h> +#include <asm/immap_5271.h> +#endif + #ifdef CONFIG_M5272 #include <asm/m5272.h> #include <asm/immap_5272.h> @@ -41,7 +46,7 @@ #ifdef CONFIG_M5272 #define FEC_ADDR (CFG_MBAR + 0x840) #endif -#ifdef CONFIG_M5282 +#if defined(CONFIG_M5282) || defined(CONFIG_M5271) #define FEC_ADDR (CFG_MBAR + 0x1000) #endif @@ -240,10 +245,22 @@ int eth_init (bd_t * bd) #endif #undef ea +#ifdef CONFIG_M5271 + /* Clear multicast address hash table + */ + fecp->fec_ghash_table_high = 0; + fecp->fec_ghash_table_low = 0; + + /* Clear individual address hash table + */ + fecp->fec_ihash_table_high = 0; + fecp->fec_ihash_table_low = 0; +#else /* Clear multicast address hash table */ fecp->fec_hash_table_high = 0; fecp->fec_hash_table_low = 0; +#endif /* Set maximum receive buffer size. */ @@ -295,6 +312,9 @@ int eth_init (bd_t * bd) fecp->fec_x_cntrl = FEC_TCNTRL_FDEN; #else /* Half duplex mode */ fecp->fec_r_cntrl = FEC_RCNTRL_MII_MODE | FEC_RCNTRL_DRT; +#ifdef CONFIG_M5271 + fecp->fec_r_cntrl |= (PKT_MAXBUF_SIZE << 16); /* set max frame length */ +#endif fecp->fec_x_cntrl = 0; #endif /* Set MII speed */ diff --git a/cpu/mcf52x2/interrupts.c b/cpu/mcf52x2/interrupts.c index 868df39194..116747ad3a 100644 --- a/cpu/mcf52x2/interrupts.c +++ b/cpu/mcf52x2/interrupts.c @@ -27,6 +27,11 @@ #include <watchdog.h> #include <asm/processor.h> +#ifdef CONFIG_M5271 +#include <asm/m5271.h> +#include <asm/immap_5271.h> +#endif + #ifdef CONFIG_M5272 #include <asm/m5272.h> #include <asm/immap_5272.h> @@ -171,7 +176,7 @@ int interrupt_init (void) } #endif -#ifdef CONFIG_M5282 +#if defined(CONFIG_M5282) || defined(CONFIG_M5271) int interrupt_init (void) { return 0; diff --git a/cpu/mcf52x2/serial.c b/cpu/mcf52x2/serial.c index 79628d03e6..8fbfad47bf 100644 --- a/cpu/mcf52x2/serial.c +++ b/cpu/mcf52x2/serial.c @@ -26,6 +26,10 @@ #include <asm/mcfuart.h> +#ifdef CONFIG_M5271 +#include <asm/m5271.h> +#endif + #ifdef CONFIG_M5272 #include <asm/m5272.h> #endif @@ -48,7 +52,7 @@ DECLARE_GLOBAL_DATA_PTR; void rs_serial_setbaudrate(int port,int baudrate) { -#if defined(CONFIG_M5272) || defined(CONFIG_M5249) +#if defined(CONFIG_M5272) || defined(CONFIG_M5249) || defined(CONFIG_M5271) volatile unsigned char *uartp; double clock, fraction; @@ -63,8 +67,10 @@ void rs_serial_setbaudrate(int port,int baudrate) uartp[MCFUART_UBG1] = (((int)clock >> 8) & 0xff); /* set msb baud */ uartp[MCFUART_UBG2] = ((int)clock & 0xff); /* set lsb baud */ +#ifndef CONFIG_M5271 uartp[MCFUART_UFPD] = ((int)fraction & 0xf); /* set baud fraction adjust */ #endif +#endif }; void rs_serial_init(int port,int baudrate) diff --git a/cpu/mcf52x2/start.S b/cpu/mcf52x2/start.S index b4926e2376..8ae9591b8a 100644 --- a/cpu/mcf52x2/start.S +++ b/cpu/mcf52x2/start.S @@ -55,7 +55,11 @@ */ _vectors: +#ifndef CONFIG_M5271 .long 0x00000000, _START +#else +.long 0x00000000, 0x400 /* Flash offset is 0 until we setup CS0 */ +#endif .long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT .long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT .long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT @@ -124,26 +128,42 @@ _start: movec %d0, %RAMBAR0 #endif /* #if defined(CONFIG_M5272) || defined(CONFIG_M5249) */ -#ifdef CONFIG_M5282 +#if defined(CONFIG_M5282) || defined(CONFIG_M5271) /* Initialize IPSBAR */ move.l #(CFG_MBAR + 1), %d0 /* set IPSBAR address + valid flag */ move.l %d0, 0x40000000 +#ifdef CONFIG_M5282 /* Initialize FLASHBAR: locate internal Flash and validate it */ move.l #(CFG_INT_FLASH_BASE + 0x21), %d0 movec %d0, %RAMBAR0 +#endif /* Initialize RAMBAR1: locate SRAM and validate it */ move.l #(CFG_INIT_RAM_ADDR + 0x21), %d0 movec %d0, %RAMBAR1 +#ifdef CONFIG_M5271 + move.l #(_flash_setup-CFG_FLASH_BASE), %a0 + move.l #(_flash_setup_end-CFG_FLASH_BASE), %a1 + move.l #(CFG_INIT_RAM_ADDR), %a2 +_copy_flash: + move.l (%a0)+, (%a2)+ + cmp.l %a0, %a1 + bgt.s _copy_flash +#endif + + jmp CFG_INIT_RAM_ADDR +_after_flash_copy: #endif +#if 0 /* invalidate and disable cache */ move.l #0x01000000, %d0 /* Invalidate cache cmd */ movec %d0, %CACR /* Invalidate cache */ move.l #0, %d0 movec %d0, %ACR0 movec %d0, %ACR1 +#endif /* set stackpointer to end of internal ram to get some stackspace for the first c-code */ move.l #(CFG_INIT_RAM_ADDR + CFG_INIT_SP_OFFSET), %sp @@ -158,6 +178,18 @@ _start: /*------------------------------------------------------------------------------*/ +#ifdef CONFIG_M5271 +_flash_setup: + move.l #0x1000, %d0 + move.w %d0, 0x40000080 + move.l #0x2180, %d0 + move.w %d0, 0x4000008A + move.l #0x3f0001, %d0 + move.l %d0, 0x40000084 + jmp _after_flash_copy.L +_flash_setup_end: +#endif + /* * void relocate_code (addr_sp, gd, addr_moni) * |