/*
- * Copyright 2004 Freescale Semiconductor
- * Jeff Brown (jeffrey@freescale.com)
+ * Copyright 2006 Freescale Semiconductor
+ * Jeff Brown
* Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
*
* See file CREDITS for list of people who contributed to this
#include <ft_build.h>
#endif
-
-// SS: For debug only, remove after use
-
-static __inline__ unsigned long get_dbat3u (void)
-{
- unsigned long dbat3u;
- asm volatile("mfspr %0, 542" : "=r" (dbat3u) :);
- return dbat3u;
-}
-
-static __inline__ unsigned long get_dbat3l (void)
-{
- unsigned long dbat3l;
- asm volatile("mfspr %0, 543" : "=r" (dbat3l) :);
- return dbat3l;
-}
-
-static __inline__ unsigned long get_msr (void)
-{
- unsigned long msr;
- asm volatile("mfmsr %0" : "=r" (msr) :);
- return msr;
-}
-
-extern unsigned long get_board_sys_clk(ulong dummy);
-
-int checkcpu (void)
+int
+checkcpu(void)
{
sys_info_t sysinfo;
uint pvr, svr;
uint major, minor;
uint lcrr; /* local bus clock ratio register */
uint clkdiv; /* clock divider portion of lcrr */
-
+
puts("Freescale PowerPC\n");
pvr = get_pvr();
major = PVR_MAJ(pvr);
minor = PVR_MIN(pvr);
- puts ("CPU:\n");
+ puts("CPU:\n");
+ puts(" Core: ");
- printf(" Core: ");
-
switch (ver) {
case PVR_VER(PVR_86xx):
- puts("E600");
- break;
+ puts("E600");
+ break;
default:
- puts("Unknown");
- break;
+ puts("Unknown");
+ break;
}
printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr);
minor = SVR_MIN(svr);
puts(" System: ");
- switch (ver) {
+ switch (ver) {
case SVR_8641:
- puts("8641");
- break;
- case SVR_8641D:
+ if (SVR_SUBVER(svr) == 1) {
puts("8641D");
- break;
+ } else {
+ puts("8641");
+ }
+ break;
default:
puts("Unknown");
break;
printf("CPU:%4lu MHz, ", sysinfo.freqProcessor / 1000000);
printf("MPX:%4lu MHz, ", sysinfo.freqSystemBus / 1000000);
printf("DDR:%4lu MHz, ", sysinfo.freqSystemBus / 2000000);
-
+
#if defined(CFG_LBC_LCRR)
lcrr = CFG_LBC_LCRR;
#else
{
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
- volatile ccsr_lbc_t *lbc= &immap->im_lbc;
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
+ volatile ccsr_lbc_t *lbc = &immap->im_lbc;
- lcrr = lbc->lcrr;
+ lcrr = lbc->lcrr;
}
#endif
clkdiv = lcrr & 0x0f;
printf(" LBC: unknown (lcrr: 0x%08x)\n", lcrr);
}
- printf(" L2: ");
- if (get_l2cr() & 0x80000000)
- printf("Enabled\n");
- else
- printf("Disabled\n");
-
- return (0);
-}
+ puts(" L2: ");
+ if (get_l2cr() & 0x80000000)
+ puts("Enabled\n");
+ else
+ puts("Disabled\n");
+ return 0;
+}
-/* -------------------------------------------------------------------- */
static inline void
soft_restart(unsigned long addr)
{
-
#ifndef CONFIG_MPC8641HPCN
-
- /* SRR0 has system reset vector, SRR1 has default MSR value */
- /* rfi restores MSR from SRR1 and sets the PC to the SRR0 value */
+
+ /*
+ * SRR0 has system reset vector, SRR1 has default MSR value
+ * rfi restores MSR from SRR1 and sets the PC to the SRR0 value
+ */
__asm__ __volatile__ ("mtspr 26, %0" :: "r" (addr));
__asm__ __volatile__ ("li 4, (1 << 6)" ::: "r4");
__asm__ __volatile__ ("rfi");
#else /* CONFIG_MPC8641HPCN */
- out8(PIXIS_BASE+PIXIS_RST,0);
-#endif /* !CONFIG_MPC8641HPCN */
- while(1); /* not reached */
-}
-
-
-
-#ifdef CONFIG_MPC8641HPCN
-
-int set_px_sysclk(ulong sysclk)
-{
- u8 sysclk_s, sysclk_r, sysclk_v, vclkh, vclkl, sysclk_aux,tmp;
-
- /* Per table 27, page 58 of MPC8641HPCN spec*/
- switch(sysclk)
- {
- case 33:
- sysclk_s = 0x04;
- sysclk_r = 0x04;
- sysclk_v = 0x07;
- sysclk_aux = 0x00;
- break;
- case 40:
- sysclk_s = 0x01;
- sysclk_r = 0x1F;
- sysclk_v = 0x20;
- sysclk_aux = 0x01;
- break;
- case 50:
- sysclk_s = 0x01;
- sysclk_r = 0x1F;
- sysclk_v = 0x2A;
- sysclk_aux = 0x02;
- break;
- case 66:
- sysclk_s = 0x01;
- sysclk_r = 0x04;
- sysclk_v = 0x04;
- sysclk_aux = 0x03;
- break;
- case 83:
- sysclk_s = 0x01;
- sysclk_r = 0x1F;
- sysclk_v = 0x4B;
- sysclk_aux = 0x04;
- break;
- case 100:
- sysclk_s = 0x01;
- sysclk_r = 0x1F;
- sysclk_v = 0x5C;
- sysclk_aux = 0x05;
- break;
- case 134:
- sysclk_s = 0x06;
- sysclk_r = 0x1F;
- sysclk_v = 0x3B;
- sysclk_aux = 0x06;
- break;
- case 166:
- sysclk_s = 0x06;
- sysclk_r = 0x1F;
- sysclk_v = 0x4B;
- sysclk_aux = 0x07;
- break;
- default:
- printf("Unsupported SYSCLK frequency.\n");
- return 0;
- }
-
- vclkh = (sysclk_s << 5) | sysclk_r ;
- vclkl = sysclk_v;
- out8(PIXIS_BASE+PIXIS_VCLKH,vclkh);
- out8(PIXIS_BASE+PIXIS_VCLKL,vclkl);
-
- out8(PIXIS_BASE+PIXIS_AUX,sysclk_aux);
-
- return 1;
-}
-
-int set_px_mpxpll(ulong mpxpll)
-{
- u8 tmp;
- u8 val;
- switch(mpxpll)
- {
- case 2:
- case 4:
- case 6:
- case 8:
- case 10:
- case 12:
- case 14:
- case 16:
- val = (u8)mpxpll;
- break;
- default:
- printf("Unsupported MPXPLL ratio.\n");
- return 0;
- }
-
- tmp = in8(PIXIS_BASE+PIXIS_VSPEED1);
- tmp = (tmp & 0xF0) | (val & 0x0F);
- out8(PIXIS_BASE+PIXIS_VSPEED1,tmp);
-
- return 1;
-}
-
-int set_px_corepll(ulong corepll)
-{
- u8 tmp;
- u8 val;
-
- switch((int)corepll)
- {
- case 20:
- val = 0x08;
- break;
- case 25:
- val = 0x0C;
- break;
- case 30:
- val = 0x10;
- break;
- case 35:
- val = 0x1C;
- break;
- case 40:
- val = 0x14;
- break;
- case 45:
- val = 0x0E;
- break;
- default:
- printf("Unsupported COREPLL ratio.\n");
- return 0;
- }
-
- tmp = in8(PIXIS_BASE+PIXIS_VSPEED0);
- tmp = (tmp & 0xE0) | (val & 0x1F);
- out8(PIXIS_BASE+PIXIS_VSPEED0,tmp);
-
- return 1;
-}
-
-void read_from_px_regs(int set)
-{
- u8 tmp, mask = 0x1C;
- tmp = in8(PIXIS_BASE+PIXIS_VCFGEN0);
- if (set)
- tmp = tmp | mask;
- else
- tmp = tmp & ~mask;
- out8(PIXIS_BASE+PIXIS_VCFGEN0,tmp);
-}
-
-void read_from_px_regs_altbank(int set)
-{
- u8 tmp, mask = 0x04;
- tmp = in8(PIXIS_BASE+PIXIS_VCFGEN1);
- if (set)
- tmp = tmp | mask;
- else
- tmp = tmp & ~mask;
- out8(PIXIS_BASE+PIXIS_VCFGEN1,tmp);
-}
-
-void set_altbank(void)
-{
- u8 tmp;
- tmp = in8(PIXIS_BASE+PIXIS_VBOOT);
- tmp ^= 0x40;
- out8(PIXIS_BASE+PIXIS_VBOOT,tmp);
- }
-
-
-void set_px_go(void)
-{
- u8 tmp;
- tmp = in8(PIXIS_BASE+PIXIS_VCTL);
- tmp = tmp & 0x1E;
- out8(PIXIS_BASE+PIXIS_VCTL,tmp);
- tmp = in8(PIXIS_BASE+PIXIS_VCTL);
- tmp = tmp | 0x01;
- out8(PIXIS_BASE+PIXIS_VCTL,tmp);
-}
-void set_px_go_with_watchdog(void)
-{
- u8 tmp;
- tmp = in8(PIXIS_BASE+PIXIS_VCTL);
- tmp = tmp & 0x1E;
- out8(PIXIS_BASE+PIXIS_VCTL,tmp);
- tmp = in8(PIXIS_BASE+PIXIS_VCTL);
- tmp = tmp | 0x09;
- out8(PIXIS_BASE+PIXIS_VCTL,tmp);
-}
-
-/* This function takes the non-integral cpu:mpx pll ratio
- * and converts it to an integer that can be used to assign
- * FPGA register values.
- * input: strptr i.e. argv[2]
-*/
+ out8(PIXIS_BASE + PIXIS_RST, 0);
-ulong strfractoint(uchar *strptr)
-{
- int i,j,retval,intarr_len=0, decarr_len=0, mulconst, no_dec=0;
- ulong intval =0, decval=0;
- uchar intarr[3], decarr[3];
-
- /* Assign the integer part to intarr[]
- * If there is no decimal point i.e.
- * if the ratio is an integral value
- * simply create the intarr.
- */
- i=0;
- while(strptr[i] != 46)
- {
- if(strptr[i] == 0)
- {
- no_dec = 1;
- break; /* Break from loop once the end of string is reached */
- }
-
- intarr[i] = strptr[i];
- i++;
- }
-
- intarr_len = i; /* Assign length of integer part to intarr_len*/
- intarr[i] = '\0'; /* */
-
- if(no_dec)
- {
- mulconst=10; /* Currently needed only for single digit corepll ratios */
- decval = 0;
- }
- else
- {
- j=0;
- i++; /* Skipping the decimal point */
- while ((strptr[i] > 47) && (strptr[i] < 58))
- {
- decarr[j] = strptr[i];
- i++;
- j++;
- }
-
- decarr_len = j;
- decarr[j] = '\0';
-
- mulconst=1;
- for(i=0; i<decarr_len;i++)
- mulconst = mulconst*10;
- decval = simple_strtoul(decarr,NULL,10);
- }
-
- intval = simple_strtoul(intarr,NULL,10);
- intval = intval*mulconst;
-
- retval = intval+decval;
-
- return retval;
+#endif /* !CONFIG_MPC8641HPCN */
+ while (1) ; /* not reached */
}
-
-
-#endif //CONFIG_MPC8641HPCN
-/* no generic way to do board reset. simply call soft_reset. */
+/*
+ * No generic way to do board reset. Simply call soft_reset.
+ */
void
-do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
- char cmd;
- ulong addr, val;
- ulong corepll;
-
-
+#ifndef CONFIG_MPC8641HPCN
#ifdef CFG_RESET_ADDRESS
- addr = CFG_RESET_ADDRESS;
+ ulong addr = CFG_RESET_ADDRESS;
#else
/*
* note: when CFG_MONITOR_BASE points to a RAM address,
* address. Better pick an address known to be invalid on your
* system and assign it to CFG_RESET_ADDRESS.
*/
- addr = CFG_MONITOR_BASE - sizeof (ulong);
+ ulong addr = CFG_MONITOR_BASE - sizeof(ulong);
#endif
-#ifndef CONFIG_MPC8641HPCN
-
- /* flush and disable I/D cache */
+ /* flush and disable I/D cache */
__asm__ __volatile__ ("mfspr 3, 1008" ::: "r3");
__asm__ __volatile__ ("ori 5, 5, 0xcc00" ::: "r5");
__asm__ __volatile__ ("ori 4, 3, 0xc00" ::: "r4");
__asm__ __volatile__ ("isync");
__asm__ __volatile__ ("sync");
- soft_restart(addr);
+ soft_restart(addr);
#else /* CONFIG_MPC8641HPCN */
-
- if(argc > 1)
- {
- cmd = argv[1][1];
- switch(cmd)
- {
- case 'f': /* reset with frequency changed */
-
- if (argc < 5)
- goto my_usage;
-
- read_from_px_regs(0);
-
- val = set_px_sysclk(simple_strtoul(argv[2],NULL,10));
-
- corepll = strfractoint(argv[3]);
- val = val + set_px_corepll(corepll);
- val = val + set_px_mpxpll(simple_strtoul(argv[4],NULL,10));
- if(val == 3)
- {
- printf("Setting registers VCFGEN0 and VCTL\n");
- read_from_px_regs(1);
- printf("Resetting board with values from VSPEED0, VSPEED1, VCLKH, and VCLKL ....\n");
- set_px_go();
- }
- else
- goto my_usage;
-
- while(1); /* Not reached */
-
- case 'l':
- if(argv[2][1] == 'f')
- {
- read_from_px_regs(0);
- read_from_px_regs_altbank(0);
- /* reset with frequency changed */
- val = set_px_sysclk(simple_strtoul(argv[3],NULL,10));
-
- corepll = strfractoint(argv[4]);
- val = val + set_px_corepll(corepll);
- val = val + set_px_mpxpll(simple_strtoul(argv[5],NULL,10));
- if(val == 3)
- {
- printf("Setting registers VCFGEN0, VCFGEN1, VBOOT, and VCTL\n");
- set_altbank();
- read_from_px_regs(1);
- read_from_px_regs_altbank(1);
- printf("Enabling watchdog timer on the FPGA and resetting board with values from VSPEED0, VSPEED1, VCLKH, and VCLKL to boot from the other bank ....\n");
- set_px_go_with_watchdog();
-
- }
- else
- goto my_usage;
-
- while(1); /* Not reached */
- }
- else /* Reset from next bank without changing frequencies */
- {
- read_from_px_regs(0);
- read_from_px_regs_altbank(0);
- if(argc > 2)
- goto my_usage;
- printf("Setting registers VCFGEN1, VBOOT, and VCTL\n");
- set_altbank();
- read_from_px_regs_altbank(1);
- printf("Enabling watchdog timer on the FPGA and resetting board to boot from the other bank....\n");
- set_px_go_with_watchdog();
- while(1); /* Not reached */
- }
-
- default:
- goto my_usage;
- }
-my_usage:
- printf("\nUsage: reset cf <SYSCLK freq> <COREPLL ratio> <MPXPLL ratio>\n");
- printf(" reset altbank [cf <SYSCLK freq> <COREPLL ratio> <MPXPLL ratio>]\n");
- printf("For example: reset cf 40 2.5 10\n");
- printf("See MPC8641HPCN Design Workbook for valid values of command line parameters.\n");
- return;
- }
- else
- out8(PIXIS_BASE+PIXIS_RST,0);
-
+
+ out8(PIXIS_BASE + PIXIS_RST, 0);
+
#endif /* !CONFIG_MPC8641HPCN */
-
- while(1); /* not reached */
-}
+ while (1) ; /* not reached */
+}
-/* ------------------------------------------------------------------------- */
/*
* Get timebase clock frequency
*/
-unsigned long get_tbclk(void)
+unsigned long
+get_tbclk(void)
{
- sys_info_t sys_info;
+ sys_info_t sys_info;
get_sys_info(&sys_info);
- return ((sys_info.freqSystemBus + 3L) / 4L);
-
+ return (sys_info.freqSystemBus + 3L) / 4L;
}
-/* ------------------------------------------------------------------------- */
#if defined(CONFIG_WATCHDOG)
void
watchdog_reset(void)
{
-
}
#endif /* CONFIG_WATCHDOG */
-/* ------------------------------------------------------------------------- */
#if defined(CONFIG_DDR_ECC)
-void dma_init(void) {
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
+void
+dma_init(void)
+{
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile ccsr_dma_t *dma = &immap->im_dma;
dma->satr0 = 0x00040000;
dma->datr0 = 0x00040000;
asm("sync; isync");
- return;
}
-uint dma_check(void) {
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
+uint
+dma_check(void)
+{
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile ccsr_dma_t *dma = &immap->im_dma;
volatile uint status = dma->sr0;
/* While the channel is busy, spin */
- while((status & 4) == 4) {
+ while ((status & 4) == 4) {
status = dma->sr0;
}
if (status != 0) {
- printf ("DMA Error: status = %x\n", status);
+ printf("DMA Error: status = %x\n", status);
}
return status;
}
-int dma_xfer(void *dest, uint count, void *src) {
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
+int
+dma_xfer(void *dest, uint count, void *src)
+{
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile ccsr_dma_t *dma = &immap->im_dma;
dma->dar0 = (uint) dest;
asm("sync;isync");
return dma_check();
}
+
#endif /* CONFIG_DDR_ECC */
#ifdef CONFIG_OF_FLAT_TREE
-void ft_cpu_setup(void *blob, bd_t *bd)
+void
+ft_cpu_setup(void *blob, bd_t *bd)
{
u32 *p;
ulong clock;
int len;
-
+
clock = bd->bi_busfreq;
p = ft_get_prop(blob, "/cpus/" OF_CPU "/bus-frequency", &len);
if (p != NULL)
*p = cpu_to_be32(clock);
#if defined(CONFIG_MPC86XX_TSEC1)
- p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/address", &len);
- memcpy(p, bd->bi_enetaddr, 6);
+ p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/mac-address", &len);
+ if (p != NULL)
+ memcpy(p, bd->bi_enetaddr, 6);
+ p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/local-mac-address", &len);
+ if (p)
+ memcpy(p, bd->bi_enetaddr, 6);
#endif
-
+
#if defined(CONFIG_MPC86XX_TSEC2)
- p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/address", &len);
- memcpy(p, bd->bi_enet1addr, 6);
+ p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/mac-address", &len);
+ if (p != NULL)
+ memcpy(p, bd->bi_enet1addr, 6);
+ p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/local-mac-address", &len);
+ if (p != NULL)
+ memcpy(p, bd->bi_enet1addr, 6);
#endif
#if defined(CONFIG_MPC86XX_TSEC3)
- p = ft_get_prop(blob, "/" OF_SOC "/ethernet@26000/address", &len);
- memcpy(p, bd->bi_enet2addr, 6);
+ p = ft_get_prop(blob, "/" OF_SOC "/ethernet@26000/mac-address", &len);
+ if (p != NULL)
+ memcpy(p, bd->bi_enet2addr, 6);
+ p = ft_get_prop(blob, "/" OF_SOC "/ethernet@26000/local-mac-address", &len);
+ if (p != NULL)
+ memcpy(p, bd->bi_enet2addr, 6);
#endif
#if defined(CONFIG_MPC86XX_TSEC4)
- p = ft_get_prop(blob, "/" OF_SOC "/ethernet@27000/address", &len);
- memcpy(p, bd->bi_enet3addr, 6);
+ p = ft_get_prop(blob, "/" OF_SOC "/ethernet@27000/mac-address", &len);
+ if (p != NULL)
+ memcpy(p, bd->bi_enet3addr, 6);
+ p = ft_get_prop(blob, "/" OF_SOC "/ethernet@27000/local-mac-address", &len);
+ if (p != NULL)
+ memcpy(p, bd->bi_enet3addr, 6);
#endif
}
projects / platform / kernel / u-boot.git / blobdiff