/*
- * Copyright 2004,2007 Freescale Semiconductor, Inc.
+ * Copyright 2004,2007,2008 Freescale Semiconductor, Inc.
* (C) Copyright 2002, 2003 Motorola Inc.
* Xianghua Xiao (X.Xiao@motorola.com)
*
#include <watchdog.h>
#include <command.h>
#include <asm/cache.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct cpu_type cpu_type_list [] = {
+ CPU_TYPE_ENTRY(8533, 8533),
+ CPU_TYPE_ENTRY(8533, 8533_E),
+ CPU_TYPE_ENTRY(8540, 8540),
+ CPU_TYPE_ENTRY(8541, 8541),
+ CPU_TYPE_ENTRY(8541, 8541_E),
+ CPU_TYPE_ENTRY(8543, 8543),
+ CPU_TYPE_ENTRY(8543, 8543_E),
+ CPU_TYPE_ENTRY(8544, 8544),
+ CPU_TYPE_ENTRY(8544, 8544_E),
+ CPU_TYPE_ENTRY(8545, 8545),
+ CPU_TYPE_ENTRY(8545, 8545_E),
+ CPU_TYPE_ENTRY(8547, 8547_E),
+ CPU_TYPE_ENTRY(8548, 8548),
+ CPU_TYPE_ENTRY(8548, 8548_E),
+ CPU_TYPE_ENTRY(8555, 8555),
+ CPU_TYPE_ENTRY(8555, 8555_E),
+ CPU_TYPE_ENTRY(8560, 8560),
+ CPU_TYPE_ENTRY(8567, 8567),
+ CPU_TYPE_ENTRY(8567, 8567_E),
+ CPU_TYPE_ENTRY(8568, 8568),
+ CPU_TYPE_ENTRY(8568, 8568_E),
+ CPU_TYPE_ENTRY(8572, 8572),
+ CPU_TYPE_ENTRY(8572, 8572_E),
+};
+
+struct cpu_type *identify_cpu(uint ver)
+{
+ int i;
+ for (i = 0; i < ARRAY_SIZE(cpu_type_list); i++)
+ if (cpu_type_list[i].soc_ver == ver)
+ return &cpu_type_list[i];
-#if defined(CONFIG_OF_FLAT_TREE)
-#include <ft_build.h>
-#endif
-
+ return NULL;
+}
int checkcpu (void)
{
uint fam;
uint ver;
uint major, minor;
+ struct cpu_type *cpu;
+#ifdef CONFIG_DDR_CLK_FREQ
+ volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
+ u32 ddr_ratio = ((gur->porpllsr) & 0x00003e00) >> 9;
+#else
+ u32 ddr_ratio = 0;
+#endif
svr = get_svr();
- ver = SVR_VER(svr);
+ ver = SVR_SOC_VER(svr);
major = SVR_MAJ(svr);
minor = SVR_MIN(svr);
puts("CPU: ");
- switch (ver) {
- case SVR_8540:
- puts("8540");
- break;
- case SVR_8541:
- puts("8541");
- break;
- case SVR_8555:
- puts("8555");
- break;
- case SVR_8560:
- puts("8560");
- break;
- case SVR_8548:
- puts("8548");
- break;
- case SVR_8548_E:
- puts("8548_E");
- break;
- case SVR_8544:
- puts("8544");
- break;
- case SVR_8544_E:
- puts("8544_E");
- break;
- case SVR_8568_E:
- puts("8568_E");
- break;
- default:
+
+ cpu = identify_cpu(ver);
+ if (cpu) {
+ puts(cpu->name);
+
+ if (svr & 0x80000)
+ puts("E");
+ } else {
puts("Unknown");
- break;
}
+
printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr);
pvr = get_pvr();
get_sys_info(&sysinfo);
puts("Clock Configuration:\n");
- printf(" CPU:%4lu MHz, ", sysinfo.freqProcessor / 1000000);
- printf("CCB:%4lu MHz,\n", sysinfo.freqSystemBus / 1000000);
- printf(" DDR:%4lu MHz, ", sysinfo.freqSystemBus / 2000000);
+ printf(" CPU:%4lu MHz, ", DIV_ROUND_UP(sysinfo.freqProcessor,1000000));
+ printf("CCB:%4lu MHz,\n", DIV_ROUND_UP(sysinfo.freqSystemBus,1000000));
+
+ switch (ddr_ratio) {
+ case 0x0:
+ printf(" DDR:%4lu MHz (%lu MT/s data rate), ",
+ DIV_ROUND_UP(sysinfo.freqDDRBus,2000000), DIV_ROUND_UP(sysinfo.freqDDRBus,1000000));
+ break;
+ case 0x7:
+ printf(" DDR:%4lu MHz (%lu MT/s data rate) (Synchronous), ",
+ DIV_ROUND_UP(sysinfo.freqDDRBus, 2000000), DIV_ROUND_UP(sysinfo.freqDDRBus, 1000000));
+ break;
+ default:
+ printf(" DDR:%4lu MHz (%lu MT/s data rate) (Asynchronous), ",
+ DIV_ROUND_UP(sysinfo.freqDDRBus, 2000000), DIV_ROUND_UP(sysinfo.freqDDRBus,1000000));
+ break;
+ }
#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 ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
lcrr = lbc->lcrr;
}
clkdiv *= 2;
#endif
printf("LBC:%4lu MHz\n",
- sysinfo.freqSystemBus / 1000000 / clkdiv);
+ DIV_ROUND_UP(sysinfo.freqSystemBus, 1000000) / clkdiv);
} else {
printf("LBC: unknown (lcrr: 0x%08x)\n", lcrr);
}
- if (ver == SVR_8560) {
- printf("CPM: %lu Mhz\n",
- sysinfo.freqSystemBus / 1000000);
- }
+#ifdef CONFIG_CPM2
+ printf("CPM: %lu Mhz\n", sysinfo.freqSystemBus / 1000000);
+#endif
puts("L1: D-cache 32 kB enabled\n I-cache 32 kB enabled\n");
{
uint pvr;
uint ver;
+ unsigned long val, msr;
+
pvr = get_pvr();
ver = PVR_VER(pvr);
+
if (ver & 1){
/* e500 v2 core has reset control register */
volatile unsigned int * rstcr;
rstcr = (volatile unsigned int *)(CFG_IMMR + 0xE00B0);
*rstcr = 0x2; /* HRESET_REQ */
- }else{
+ udelay(100);
+ }
+
/*
+ * Fallthrough if the code above failed
* Initiate hard reset in debug control register DBCR0
* Make sure MSR[DE] = 1
*/
- unsigned long val;
- val = mfspr(DBCR0);
- val |= 0x70000000;
- mtspr(DBCR0,val);
- }
+
+ msr = mfmsr ();
+ msr |= MSR_DE;
+ mtmsr (msr);
+
+ val = mfspr(DBCR0);
+ val |= 0x70000000;
+ mtspr(DBCR0,val);
+
return 1;
}
*/
unsigned long get_tbclk (void)
{
-
- sys_info_t sys_info;
-
- get_sys_info(&sys_info);
- return ((sys_info.freqSystemBus + 7L) / 8L);
+ return (gd->bus_clk + 4UL)/8UL;
}
#if defined(CONFIG_DDR_ECC)
void dma_init(void) {
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
- volatile ccsr_dma_t *dma = &immap->im_dma;
+ volatile ccsr_dma_t *dma = (void *)(CFG_MPC85xx_DMA_ADDR);
dma->satr0 = 0x02c40000;
dma->datr0 = 0x02c40000;
}
uint dma_check(void) {
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
- volatile ccsr_dma_t *dma = &immap->im_dma;
+ volatile ccsr_dma_t *dma = (void *)(CFG_MPC85xx_DMA_ADDR);
volatile uint status = dma->sr0;
/* While the channel is busy, spin */
}
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;
+ volatile ccsr_dma_t *dma = (void *)(CFG_MPC85xx_DMA_ADDR);
dma->dar0 = (uint) dest;
dma->sar0 = (uint) src;
return dma_check();
}
#endif
-
-
-#ifdef CONFIG_OF_FLAT_TREE
-void
-ft_cpu_setup(void *blob, bd_t *bd)
+/*
+ * Configures a UPM. Currently, the loop fields in MxMR (RLF, WLF and TLF)
+ * are hardcoded as "1"."size" is the number or entries, not a sizeof.
+ */
+void upmconfig (uint upm, uint * table, uint size)
{
- 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);
-
- p = ft_get_prop(blob, "/qe@e0080000/" OF_CPU "/bus-frequency", &len);
- if (p != NULL)
- *p = cpu_to_be32(clock);
-
- p = ft_get_prop(blob, "/" OF_SOC "/serial@4500/clock-frequency", &len);
- if (p != NULL)
- *p = cpu_to_be32(clock);
-
- p = ft_get_prop(blob, "/" OF_SOC "/serial@4600/clock-frequency", &len);
- if (p != NULL)
- *p = cpu_to_be32(clock);
-
-#if defined(CONFIG_MPC85XX_TSEC1)
- p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/mac-address", &len);
- if (p)
- 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_HAS_ETH1)
- p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/mac-address", &len);
- if (p)
- memcpy(p, bd->bi_enet1addr, 6);
-
- p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/local-mac-address", &len);
- if (p)
- memcpy(p, bd->bi_enet1addr, 6);
-#endif
-
-#if defined(CONFIG_HAS_ETH2)
- p = ft_get_prop(blob, "/" OF_SOC "/ethernet@26000/mac-address", &len);
- if (p)
- memcpy(p, bd->bi_enet2addr, 6);
-
- p = ft_get_prop(blob, "/" OF_SOC "/ethernet@26000/local-mac-address", &len);
- if (p)
- memcpy(p, bd->bi_enet2addr, 6);
-#endif
+ int i, mdr, mad, old_mad = 0;
+ volatile u32 *mxmr;
+ volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
+ int loopval = 0x00004440;
+ volatile u32 *brp,*orp;
+ volatile u8* dummy = NULL;
+ int upmmask;
+
+ switch (upm) {
+ case UPMA:
+ mxmr = &lbc->mamr;
+ upmmask = BR_MS_UPMA;
+ break;
+ case UPMB:
+ mxmr = &lbc->mbmr;
+ upmmask = BR_MS_UPMB;
+ break;
+ case UPMC:
+ mxmr = &lbc->mcmr;
+ upmmask = BR_MS_UPMC;
+ break;
+ default:
+ printf("%s: Bad UPM index %d to configure\n", __FUNCTION__, upm);
+ hang();
+ }
-#if defined(CONFIG_HAS_ETH3)
- p = ft_get_prop(blob, "/" OF_SOC "/ethernet@27000/mac-address", &len);
- if (p)
- memcpy(p, bd->bi_enet3addr, 6);
+ /* Find the address for the dummy write transaction */
+ for (brp = &lbc->br0, orp = &lbc->or0, i = 0; i < 8;
+ i++, brp += 2, orp += 2) {
+
+ /* Look for a valid BR with selected UPM */
+ if ((in_be32(brp) & (BR_V | upmmask)) == (BR_V | upmmask)) {
+ dummy = (volatile u8*)(in_be32(brp) >> BR_BA_SHIFT);
+ break;
+ }
+ }
- p = ft_get_prop(blob, "/" OF_SOC "/ethernet@27000/local-mac-address", &len);
- if (p)
- memcpy(p, bd->bi_enet3addr, 6);
-#endif
+ if (i == 8) {
+ printf("Error: %s() could not find matching BR\n", __FUNCTION__);
+ hang();
+ }
+ for (i = 0; i < size; i++) {
+ /* 1 */
+ out_be32(mxmr, loopval | 0x10000000 | i); /* OP_WRITE */
+ /* 2 */
+ out_be32(&lbc->mdr, table[i]);
+ /* 3 */
+ mdr = in_be32(&lbc->mdr);
+ /* 4 */
+ *(volatile u8 *)dummy = 0;
+ /* 5 */
+ do {
+ mad = in_be32(mxmr) & 0x3f;
+ } while (mad <= old_mad && !(!mad && i == (size-1)));
+ old_mad = mad;
+ }
+ out_be32(mxmr, loopval); /* OP_NORMAL */
}
-#endif
projects / platform / kernel / u-boot.git / blobdiff