/*
- * Copyright 2007 Freescale Semiconductor.
+ * Copyright 2007-2009 Freescale Semiconductor, Inc.
*
* (C) Copyright 2003 Motorola Inc.
* Modified by Xianghua Xiao, X.Xiao@motorola.com
}
#endif
-/* We run cpu_init_early_f in AS = 1 */
-void cpu_init_early_f(void)
-{
- set_tlb(0, CFG_CCSRBAR, CFG_CCSRBAR_PHYS,
- MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
- 1, 0, BOOKE_PAGESZ_4K, 0);
-
- /* set up CCSR if we want it moved */
-#if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR_PHYS)
- {
- u32 temp;
-
- set_tlb(0, CFG_CCSRBAR_DEFAULT, CFG_CCSRBAR_DEFAULT,
- MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
- 1, 1, BOOKE_PAGESZ_4K, 0);
-
- temp = in_be32((volatile u32 *)CFG_CCSRBAR_DEFAULT);
- out_be32((volatile u32 *)CFG_CCSRBAR_DEFAULT, CFG_CCSRBAR_PHYS >> 12);
-
- temp = in_be32((volatile u32 *)CFG_CCSRBAR);
- }
-#endif
-
- /* Pointer is writable since we allocated a register for it */
- gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
-
- /* Clear initial global data */
- memset ((void *) gd, 0, sizeof (gd_t));
-
- init_laws();
- invalidate_tlb(0);
- init_tlbs();
-}
-
/*
* Breathe some life into the CPU...
*
* initialize a bunch of registers
*/
+#ifdef CONFIG_FSL_CORENET
+static void corenet_tb_init(void)
+{
+ volatile ccsr_rcpm_t *rcpm =
+ (void *)(CONFIG_SYS_FSL_CORENET_RCPM_ADDR);
+ volatile ccsr_pic_t *pic =
+ (void *)(CONFIG_SYS_MPC85xx_PIC_ADDR);
+ u32 whoami = in_be32(&pic->whoami);
+
+ /* Enable the timebase register for this core */
+ out_be32(&rcpm->ctbenrl, (1 << whoami));
+}
+#endif
+
void cpu_init_f (void)
{
- volatile ccsr_lbc_t *memctl = (void *)(CFG_MPC85xx_LBC_ADDR);
+ volatile ccsr_lbc_t *memctl = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
extern void m8560_cpm_reset (void);
+#ifdef CONFIG_MPC8548
+ ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR);
+ uint svr = get_svr();
+
+ /*
+ * CPU2 errata workaround: A core hang possible while executing
+ * a msync instruction and a snoopable transaction from an I/O
+ * master tagged to make quick forward progress is present.
+ * Fixed in silicon rev 2.1.
+ */
+ if ((SVR_MAJ(svr) == 1) || ((SVR_MAJ(svr) == 2 && SVR_MIN(svr) == 0x0)))
+ out_be32(&ecm->eebpcr, in_be32(&ecm->eebpcr) | (1 << 16));
+#endif
disable_tlb(14);
disable_tlb(15);
#ifdef CONFIG_CPM2
- config_8560_ioports((ccsr_cpm_t *)CFG_MPC85xx_CPM_ADDR);
+ config_8560_ioports((ccsr_cpm_t *)CONFIG_SYS_MPC85xx_CPM_ADDR);
#endif
/* Map banks 0 and 1 to the FLASH banks 0 and 1 at preliminary
* addresses - these have to be modified later when FLASH size
* has been determined
*/
-#if defined(CFG_OR0_REMAP)
- memctl->or0 = CFG_OR0_REMAP;
+#if defined(CONFIG_SYS_OR0_REMAP)
+ memctl->or0 = CONFIG_SYS_OR0_REMAP;
#endif
-#if defined(CFG_OR1_REMAP)
- memctl->or1 = CFG_OR1_REMAP;
+#if defined(CONFIG_SYS_OR1_REMAP)
+ memctl->or1 = CONFIG_SYS_OR1_REMAP;
#endif
/* now restrict to preliminary range */
/* if cs1 is already set via debugger, leave cs0/cs1 alone */
if (! memctl->br1 & 1) {
-#if defined(CFG_BR0_PRELIM) && defined(CFG_OR0_PRELIM)
- memctl->br0 = CFG_BR0_PRELIM;
- memctl->or0 = CFG_OR0_PRELIM;
+#if defined(CONFIG_SYS_BR0_PRELIM) && defined(CONFIG_SYS_OR0_PRELIM)
+ memctl->br0 = CONFIG_SYS_BR0_PRELIM;
+ memctl->or0 = CONFIG_SYS_OR0_PRELIM;
#endif
-#if defined(CFG_BR1_PRELIM) && defined(CFG_OR1_PRELIM)
- memctl->or1 = CFG_OR1_PRELIM;
- memctl->br1 = CFG_BR1_PRELIM;
+#if defined(CONFIG_SYS_BR1_PRELIM) && defined(CONFIG_SYS_OR1_PRELIM)
+ memctl->or1 = CONFIG_SYS_OR1_PRELIM;
+ memctl->br1 = CONFIG_SYS_BR1_PRELIM;
#endif
}
-#if defined(CFG_BR2_PRELIM) && defined(CFG_OR2_PRELIM)
- memctl->or2 = CFG_OR2_PRELIM;
- memctl->br2 = CFG_BR2_PRELIM;
+#if defined(CONFIG_SYS_BR2_PRELIM) && defined(CONFIG_SYS_OR2_PRELIM)
+ memctl->or2 = CONFIG_SYS_OR2_PRELIM;
+ memctl->br2 = CONFIG_SYS_BR2_PRELIM;
#endif
-#if defined(CFG_BR3_PRELIM) && defined(CFG_OR3_PRELIM)
- memctl->or3 = CFG_OR3_PRELIM;
- memctl->br3 = CFG_BR3_PRELIM;
+#if defined(CONFIG_SYS_BR3_PRELIM) && defined(CONFIG_SYS_OR3_PRELIM)
+ memctl->or3 = CONFIG_SYS_OR3_PRELIM;
+ memctl->br3 = CONFIG_SYS_BR3_PRELIM;
#endif
-#if defined(CFG_BR4_PRELIM) && defined(CFG_OR4_PRELIM)
- memctl->or4 = CFG_OR4_PRELIM;
- memctl->br4 = CFG_BR4_PRELIM;
+#if defined(CONFIG_SYS_BR4_PRELIM) && defined(CONFIG_SYS_OR4_PRELIM)
+ memctl->or4 = CONFIG_SYS_OR4_PRELIM;
+ memctl->br4 = CONFIG_SYS_BR4_PRELIM;
#endif
-#if defined(CFG_BR5_PRELIM) && defined(CFG_OR5_PRELIM)
- memctl->or5 = CFG_OR5_PRELIM;
- memctl->br5 = CFG_BR5_PRELIM;
+#if defined(CONFIG_SYS_BR5_PRELIM) && defined(CONFIG_SYS_OR5_PRELIM)
+ memctl->or5 = CONFIG_SYS_OR5_PRELIM;
+ memctl->br5 = CONFIG_SYS_BR5_PRELIM;
#endif
-#if defined(CFG_BR6_PRELIM) && defined(CFG_OR6_PRELIM)
- memctl->or6 = CFG_OR6_PRELIM;
- memctl->br6 = CFG_BR6_PRELIM;
+#if defined(CONFIG_SYS_BR6_PRELIM) && defined(CONFIG_SYS_OR6_PRELIM)
+ memctl->or6 = CONFIG_SYS_OR6_PRELIM;
+ memctl->br6 = CONFIG_SYS_BR6_PRELIM;
#endif
-#if defined(CFG_BR7_PRELIM) && defined(CFG_OR7_PRELIM)
- memctl->or7 = CFG_OR7_PRELIM;
- memctl->br7 = CFG_BR7_PRELIM;
+#if defined(CONFIG_SYS_BR7_PRELIM) && defined(CONFIG_SYS_OR7_PRELIM)
+ memctl->or7 = CONFIG_SYS_OR7_PRELIM;
+ memctl->br7 = CONFIG_SYS_BR7_PRELIM;
#endif
#if defined(CONFIG_CPM2)
#if defined(CONFIG_MPC8536)
fsl_serdes_init();
#endif
-
+#if defined(CONFIG_FSL_DMA)
+ dma_init();
+#endif
+#ifdef CONFIG_FSL_CORENET
+ corenet_tb_init();
+#endif
}
puts ("L2: ");
#if defined(CONFIG_L2_CACHE)
- volatile ccsr_l2cache_t *l2cache = (void *)CFG_MPC85xx_L2_ADDR;
+ volatile ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR;
volatile uint cache_ctl;
uint svr, ver;
uint l2srbar;
asm("msync;isync");
cache_ctl = l2cache->l2ctl;
+
+#if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR)
+ if (cache_ctl & MPC85xx_L2CTL_L2E) {
+ /* Clear L2 SRAM memory-mapped base address */
+ out_be32(&l2cache->l2srbar0, 0x0);
+ out_be32(&l2cache->l2srbar1, 0x0);
+
+ /* set MBECCDIS=0, SBECCDIS=0 */
+ clrbits_be32(&l2cache->l2errdis,
+ (MPC85xx_L2ERRDIS_MBECC |
+ MPC85xx_L2ERRDIS_SBECC));
+
+ /* set L2E=0, L2SRAM=0 */
+ clrbits_be32(&l2cache->l2ctl,
+ (MPC85xx_L2CTL_L2E |
+ MPC85xx_L2CTL_L2SRAM_ENTIRE));
+ }
+#endif
+
l2siz_field = (cache_ctl >> 28) & 0x3;
switch (l2siz_field) {
break;
}
- if (l2cache->l2ctl & 0x80000000) {
+ if (l2cache->l2ctl & MPC85xx_L2CTL_L2E) {
puts("already enabled");
l2srbar = l2cache->l2srbar0;
-#ifdef CFG_INIT_L2_ADDR
- if (l2cache->l2ctl & 0x00010000 && l2srbar >= CFG_FLASH_BASE) {
- l2srbar = CFG_INIT_L2_ADDR;
+#ifdef CONFIG_SYS_INIT_L2_ADDR
+ if (l2cache->l2ctl & MPC85xx_L2CTL_L2SRAM_ENTIRE
+ && l2srbar >= CONFIG_SYS_FLASH_BASE) {
+ l2srbar = CONFIG_SYS_INIT_L2_ADDR;
l2cache->l2srbar0 = l2srbar;
- printf("moving to 0x%08x", CFG_INIT_L2_ADDR);
+ printf("moving to 0x%08x", CONFIG_SYS_INIT_L2_ADDR);
}
-#endif /* CFG_INIT_L2_ADDR */
+#endif /* CONFIG_SYS_INIT_L2_ADDR */
puts("\n");
} else {
asm("msync;isync");
asm("msync;isync");
puts("enabled\n");
}
+#elif defined(CONFIG_BACKSIDE_L2_CACHE)
+ u32 l2cfg0 = mfspr(SPRN_L2CFG0);
+
+ /* invalidate the L2 cache */
+ mtspr(SPRN_L2CSR0, (L2CSR0_L2FI|L2CSR0_L2LFC));
+ while (mfspr(SPRN_L2CSR0) & (L2CSR0_L2FI|L2CSR0_L2LFC))
+ ;
+
+ /* enable the cache */
+ mtspr(SPRN_L2CSR0, CONFIG_SYS_INIT_L2CSR0);
+
+ if (CONFIG_SYS_INIT_L2CSR0 & L2CSR0_L2E) {
+ while (!(mfspr(SPRN_L2CSR0) & L2CSR0_L2E))
+ ;
+ printf("%d KB enabled\n", (l2cfg0 & 0x3fff) * 64);
+ }
#else
puts("disabled\n");
#endif
#ifdef CONFIG_QE
- uint qe_base = CFG_IMMR + 0x00080000; /* QE immr base */
+ uint qe_base = CONFIG_SYS_IMMR + 0x00080000; /* QE immr base */
qe_init(qe_base);
qe_reset();
#endif
#endif
return 0;
}
+
+extern void setup_ivors(void);
+
+void arch_preboot_os(void)
+{
+ u32 msr;
+
+ /*
+ * We are changing interrupt offsets and are about to boot the OS so
+ * we need to make sure we disable all async interrupts. EE is already
+ * disabled by the time we get called.
+ */
+ msr = mfmsr();
+ msr &= ~(MSR_ME|MSR_CE|MSR_DE);
+ mtmsr(msr);
+
+ setup_ivors();
+}
projects / u-boot / blobdiff