/*
+ * Copyright 2007 Freescale Semiconductor.
+ *
* (C) Copyright 2003 Motorola Inc.
* Modified by Xianghua Xiao, X.Xiao@motorola.com
*
#include <ioports.h>
#include <asm/io.h>
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_QE
+extern qe_iop_conf_t qe_iop_conf_tab[];
+extern void qe_config_iopin(u8 port, u8 pin, int dir,
+ int open_drain, int assign);
+extern void qe_init(uint qe_base);
+extern void qe_reset(void);
+
+static void config_qe_ioports(void)
+{
+ u8 port, pin;
+ int dir, open_drain, assign;
+ int i;
+
+ for (i = 0; qe_iop_conf_tab[i].assign != QE_IOP_TAB_END; i++) {
+ port = qe_iop_conf_tab[i].port;
+ pin = qe_iop_conf_tab[i].pin;
+ dir = qe_iop_conf_tab[i].dir;
+ open_drain = qe_iop_conf_tab[i].open_drain;
+ assign = qe_iop_conf_tab[i].assign;
+ qe_config_iopin(port, pin, dir, open_drain, assign);
+ }
+}
+#endif
+
#ifdef CONFIG_CPM2
-static void config_8560_ioports (volatile immap_t * immr)
+void config_8560_ioports (volatile ccsr_cpm_t * cpm)
{
int portnum;
}
if (pmsk != 0) {
- volatile ioport_t *iop = ioport_addr (immr, portnum);
+ volatile ioport_t *iop = ioport_addr (cpm, portnum);
uint tpmsk = ~pmsk;
/*
void cpu_init_f (void)
{
- DECLARE_GLOBAL_DATA_PTR;
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
- volatile ccsr_lbc_t *memctl = &immap->im_lbc;
+ volatile ccsr_lbc_t *memctl = (void *)(CFG_MPC85xx_LBC_ADDR);
extern void m8560_cpm_reset (void);
/* Pointer is writable since we allocated a register for it */
#ifdef CONFIG_CPM2
- config_8560_ioports(immap);
+ config_8560_ioports((ccsr_cpm_t *)CFG_MPC85xx_CPM_ADDR);
#endif
/* Map banks 0 and 1 to the FLASH banks 0 and 1 at preliminary
#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;
+ memctl->br0 = CFG_BR0_PRELIM;
+ memctl->or0 = CFG_OR0_PRELIM;
#endif
#if defined(CFG_BR1_PRELIM) && defined(CFG_OR1_PRELIM)
- memctl->or1 = CFG_OR1_PRELIM;
- memctl->br1 = CFG_BR1_PRELIM;
+ memctl->or1 = CFG_OR1_PRELIM;
+ memctl->br1 = CFG_BR1_PRELIM;
#endif
+ }
-#if !defined(CONFIG_MPC85xx)
#if defined(CFG_BR2_PRELIM) && defined(CFG_OR2_PRELIM)
memctl->or2 = CFG_OR2_PRELIM;
memctl->br2 = CFG_BR2_PRELIM;
#endif
-#endif
#if defined(CFG_BR3_PRELIM) && defined(CFG_OR3_PRELIM)
memctl->or3 = CFG_OR3_PRELIM;
#if defined(CONFIG_CPM2)
m8560_cpm_reset();
#endif
+#ifdef CONFIG_QE
+ /* Config QE ioports */
+ config_qe_ioports();
+#endif
+
}
+
/*
- * We initialize L2 as cache here.
+ * Initialize L2 as cache.
+ *
+ * The newer 8548, etc, parts have twice as much cache, but
+ * use the same bit-encoding as the older 8555, etc, parts.
+ *
*/
-int cpu_init_r (void)
+
+int cpu_init_r(void)
{
+#ifdef CONFIG_CLEAR_LAW0
+ volatile ccsr_local_ecm_t *ecm = (void *)(CFG_MPC85xx_ECM_ADDR);
+
+ /* clear alternate boot location LAW (used for sdram, or ddr bank) */
+ ecm->lawar0 = 0;
+#endif
+
#if defined(CONFIG_L2_CACHE)
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
- volatile ccsr_l2cache_t *l2cache = &immap->im_l2cache;
- volatile uint temp;
+ volatile ccsr_l2cache_t *l2cache = (void *)CFG_MPC85xx_L2_ADDR;
+ volatile uint cache_ctl;
+ uint svr, ver;
+ uint l2srbar;
+
+ svr = get_svr();
+ ver = SVR_VER(svr);
asm("msync;isync");
- l2cache->l2ctl = 0x68000000; /* invalidate */
- temp = l2cache->l2ctl;
- asm("msync;isync");
- l2cache->l2ctl = 0xa8000000; /* enable 256KB L2 cache */
- temp = l2cache->l2ctl;
- asm("msync;isync");
+ cache_ctl = l2cache->l2ctl;
- printf("L2: 256 kB enabled\n");
+ switch (cache_ctl & 0x30000000) {
+ case 0x20000000:
+ if (ver == SVR_8548 || ver == SVR_8548_E ||
+ ver == SVR_8544 || ver == SVR_8568_E) {
+ printf ("L2 cache 512KB:");
+ /* set L2E=1, L2I=1, & L2SRAM=0 */
+ cache_ctl = 0xc0000000;
+ } else {
+ printf ("L2 cache 256KB:");
+ /* set L2E=1, L2I=1, & L2BLKSZ=2 (256 Kbyte) */
+ cache_ctl = 0xc8000000;
+ }
+ break;
+ case 0x10000000:
+ printf ("L2 cache 256KB:");
+ if (ver == SVR_8544 || ver == SVR_8544_E) {
+ cache_ctl = 0xc0000000; /* set L2E=1, L2I=1, & L2SRAM=0 */
+ }
+ break;
+ case 0x30000000:
+ case 0x00000000:
+ default:
+ printf ("L2 cache unknown size (0x%08x)\n", cache_ctl);
+ return -1;
+ }
+
+ if (l2cache->l2ctl & 0x80000000) {
+ printf(" already enabled.");
+ l2srbar = l2cache->l2srbar0;
+#ifdef CFG_INIT_L2_ADDR
+ if (l2cache->l2ctl & 0x00010000 && l2srbar >= CFG_FLASH_BASE) {
+ l2srbar = CFG_INIT_L2_ADDR;
+ l2cache->l2srbar0 = l2srbar;
+ printf(" Moving to 0x%08x", CFG_INIT_L2_ADDR);
+ }
+#endif /* CFG_INIT_L2_ADDR */
+ puts("\n");
+ } else {
+ asm("msync;isync");
+ l2cache->l2ctl = cache_ctl; /* invalidate & enable */
+ asm("msync;isync");
+ printf(" enabled\n");
+ }
#else
- printf("L2: disabled.\n");
+ printf("L2 cache: disabled\n");
+#endif
+#ifdef CONFIG_QE
+ uint qe_base = CFG_IMMR + 0x00080000; /* QE immr base */
+ qe_init(qe_base);
+ qe_reset();
#endif
return 0;
projects / oweals / u-boot.git / blobdiff