/*
- * (C) Copyright 2000
+ * (C) Copyright 2000-2006
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
#include <common.h>
#include <watchdog.h>
-#include <405gp_enet.h>
+#include <ppc4xx_enet.h>
#include <asm/processor.h>
#include <ppc4xx.h>
+#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
+DECLARE_GLOBAL_DATA_PTR;
+#endif
+
#define mtebc(reg, data) mtdcr(ebccfga,reg);mtdcr(ebccfgd,data)
+#ifdef CFG_INIT_DCACHE_CS
+# if (CFG_INIT_DCACHE_CS == 0)
+# define PBxAP pb0ap
+# define PBxCR pb0cr
+# if (defined(CFG_EBC_PB0AP) && defined(CFG_EBC_PB0CR))
+# define PBxAP_VAL CFG_EBC_PB0AP
+# define PBxCR_VAL CFG_EBC_PB0CR
+# endif
+# endif
+# if (CFG_INIT_DCACHE_CS == 1)
+# define PBxAP pb1ap
+# define PBxCR pb1cr
+# if (defined(CFG_EBC_PB1AP) && defined(CFG_EBC_PB1CR))
+# define PBxAP_VAL CFG_EBC_PB1AP
+# define PBxCR_VAL CFG_EBC_PB1CR
+# endif
+# endif
+# if (CFG_INIT_DCACHE_CS == 2)
+# define PBxAP pb2ap
+# define PBxCR pb2cr
+# if (defined(CFG_EBC_PB2AP) && defined(CFG_EBC_PB2CR))
+# define PBxAP_VAL CFG_EBC_PB2AP
+# define PBxCR_VAL CFG_EBC_PB2CR
+# endif
+# endif
+# if (CFG_INIT_DCACHE_CS == 3)
+# define PBxAP pb3ap
+# define PBxCR pb3cr
+# if (defined(CFG_EBC_PB3AP) && defined(CFG_EBC_PB3CR))
+# define PBxAP_VAL CFG_EBC_PB3AP
+# define PBxCR_VAL CFG_EBC_PB3CR
+# endif
+# endif
+# if (CFG_INIT_DCACHE_CS == 4)
+# define PBxAP pb4ap
+# define PBxCR pb4cr
+# if (defined(CFG_EBC_PB4AP) && defined(CFG_EBC_PB4CR))
+# define PBxAP_VAL CFG_EBC_PB4AP
+# define PBxCR_VAL CFG_EBC_PB4CR
+# endif
+# endif
+# if (CFG_INIT_DCACHE_CS == 5)
+# define PBxAP pb5ap
+# define PBxCR pb5cr
+# if (defined(CFG_EBC_PB5AP) && defined(CFG_EBC_PB5CR))
+# define PBxAP_VAL CFG_EBC_PB5AP
+# define PBxCR_VAL CFG_EBC_PB5CR
+# endif
+# endif
+# if (CFG_INIT_DCACHE_CS == 6)
+# define PBxAP pb6ap
+# define PBxCR pb6cr
+# if (defined(CFG_EBC_PB6AP) && defined(CFG_EBC_PB6CR))
+# define PBxAP_VAL CFG_EBC_PB6AP
+# define PBxCR_VAL CFG_EBC_PB6CR
+# endif
+# endif
+# if (CFG_INIT_DCACHE_CS == 7)
+# define PBxAP pb7ap
+# define PBxCR pb7cr
+# if (defined(CFG_EBC_PB7AP) && defined(CFG_EBC_PB7CR))
+# define PBxAP_VAL CFG_EBC_PB7AP
+# define PBxCR_VAL CFG_EBC_PB7CR
+# endif
+# endif
+#endif /* CFG_INIT_DCACHE_CS */
+
+#if defined(CFG_440_GPIO_TABLE)
+gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX] = CFG_440_GPIO_TABLE;
+
+void set_chip_gpio_configuration(gpio_param_s (*gpio_tab)[GPIO_GROUP_MAX][GPIO_MAX])
+{
+ unsigned char i=0, j=0, reg_offset = 0, gpio_core;
+ unsigned long gpio_reg, gpio_core_add;
+
+ for (gpio_core=0; gpio_core<GPIO_GROUP_MAX; gpio_core++) {
+ j = 0;
+ reg_offset = 0;
+ /* GPIO config of the GPIOs 0 to 31 */
+ for (i=0; i<GPIO_MAX; i++, j++) {
+ if (i == GPIO_MAX/2) {
+ reg_offset = 4;
+ j = i-16;
+ }
+
+ gpio_core_add = (*gpio_tab)[gpio_core][i].add;
+
+ if (((*gpio_tab)[gpio_core][i].in_out == GPIO_IN) ||
+ ((*gpio_tab)[gpio_core][i].in_out == GPIO_BI)) {
+
+ switch ((*gpio_tab)[gpio_core][i].alt_nb) {
+ case GPIO_SEL:
+ break;
+
+ case GPIO_ALT1:
+ gpio_reg = in32(GPIO_IS1(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2));
+ out32(GPIO_IS1(gpio_core_add+reg_offset), gpio_reg);
+ break;
+
+ case GPIO_ALT2:
+ gpio_reg = in32(GPIO_IS2(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2));
+ out32(GPIO_IS2(gpio_core_add+reg_offset), gpio_reg);
+ break;
+
+ case GPIO_ALT3:
+ gpio_reg = in32(GPIO_IS3(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2));
+ out32(GPIO_IS3(gpio_core_add+reg_offset), gpio_reg);
+ break;
+ }
+ }
+
+ if (((*gpio_tab)[gpio_core][i].in_out == GPIO_OUT) ||
+ ((*gpio_tab)[gpio_core][i].in_out == GPIO_BI)) {
+
+ switch ((*gpio_tab)[gpio_core][i].alt_nb) {
+ case GPIO_SEL:
+ if (gpio_core == GPIO0) {
+ gpio_reg = in32(GPIO0_TCR) | (0x80000000 >> (j));
+ out32(GPIO0_TCR, gpio_reg);
+ }
+
+ if (gpio_core == GPIO1) {
+ gpio_reg = in32(GPIO1_TCR) | (0x80000000 >> (j));
+ out32(GPIO1_TCR, gpio_reg);
+ }
+
+ gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg);
+ gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg);
+ break;
+
+ case GPIO_ALT1:
+ gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ gpio_reg = gpio_reg | (GPIO_ALT1_SEL >> (j*2));
+ out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg);
+ gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ gpio_reg = gpio_reg | (GPIO_ALT1_SEL >> (j*2));
+ out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg);
+ break;
+
+ case GPIO_ALT2:
+ gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ gpio_reg = gpio_reg | (GPIO_ALT2_SEL >> (j*2));
+ out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg);
+ gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ gpio_reg = gpio_reg | (GPIO_ALT2_SEL >> (j*2));
+ out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg);
+ break;
+
+ case GPIO_ALT3:
+ gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ gpio_reg = gpio_reg | (GPIO_ALT3_SEL >> (j*2));
+ out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg);
+ gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset))
+ & ~(GPIO_MASK >> (j*2));
+ gpio_reg = gpio_reg | (GPIO_ALT3_SEL >> (j*2));
+ out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg);
+ break;
+ }
+ }
+ }
+ }
+}
+#endif /* CFG_440_GPIO_TABLE */
/*
* Breath some life into the CPU...
mtdcr(cpc0_epctl, CPC0_EPRCSR_E0NFE | CPC0_EPRCSR_E1NFE);
#endif /* CONFIG_405EP */
+#if defined(CFG_440_GPIO_TABLE)
+ set_chip_gpio_configuration(&gpio_tab);
+#endif /* CFG_440_GPIO_TABLE */
+
/*
* External Bus Controller (EBC) Setup
*/
#if (defined(CFG_EBC_PB0AP) && defined(CFG_EBC_PB0CR))
+#if (defined(CONFIG_405GP) || defined(CONFIG_405CR) || \
+ defined(CONFIG_405EP) || defined(CONFIG_405))
/*
* Move the next instructions into icache, since these modify the flash
* we are running from!
asm volatile(" ori 3, 3, 0xA000" ::: "r3");
asm volatile(" mtctr 3" ::: "ctr");
asm volatile("2: bdnz 2b" ::: "ctr", "cr0");
+#endif
mtebc(pb0ap, CFG_EBC_PB0AP);
mtebc(pb0cr, CFG_EBC_PB0CR);
#endif
-#if (defined(CFG_EBC_PB1AP) && defined(CFG_EBC_PB1CR))
+#if (defined(CFG_EBC_PB1AP) && defined(CFG_EBC_PB1CR) && !(CFG_INIT_DCACHE_CS == 1))
mtebc(pb1ap, CFG_EBC_PB1AP);
mtebc(pb1cr, CFG_EBC_PB1CR);
#endif
-#if (defined(CFG_EBC_PB2AP) && defined(CFG_EBC_PB2CR))
+#if (defined(CFG_EBC_PB2AP) && defined(CFG_EBC_PB2CR) && !(CFG_INIT_DCACHE_CS == 2))
mtebc(pb2ap, CFG_EBC_PB2AP);
mtebc(pb2cr, CFG_EBC_PB2CR);
#endif
-#if (defined(CFG_EBC_PB3AP) && defined(CFG_EBC_PB3CR))
+#if (defined(CFG_EBC_PB3AP) && defined(CFG_EBC_PB3CR) && !(CFG_INIT_DCACHE_CS == 3))
mtebc(pb3ap, CFG_EBC_PB3AP);
mtebc(pb3cr, CFG_EBC_PB3CR);
#endif
-#if (defined(CFG_EBC_PB4AP) && defined(CFG_EBC_PB4CR))
+#if (defined(CFG_EBC_PB4AP) && defined(CFG_EBC_PB4CR) && !(CFG_INIT_DCACHE_CS == 4))
mtebc(pb4ap, CFG_EBC_PB4AP);
mtebc(pb4cr, CFG_EBC_PB4CR);
#endif
-#if (defined(CFG_EBC_PB5AP) && defined(CFG_EBC_PB5CR))
+#if (defined(CFG_EBC_PB5AP) && defined(CFG_EBC_PB5CR) && !(CFG_INIT_DCACHE_CS == 5))
mtebc(pb5ap, CFG_EBC_PB5AP);
mtebc(pb5cr, CFG_EBC_PB5CR);
#endif
-#if (defined(CFG_EBC_PB6AP) && defined(CFG_EBC_PB6CR))
+#if (defined(CFG_EBC_PB6AP) && defined(CFG_EBC_PB6CR) && !(CFG_INIT_DCACHE_CS == 6))
mtebc(pb6ap, CFG_EBC_PB6AP);
mtebc(pb6cr, CFG_EBC_PB6CR);
#endif
-#if (defined(CFG_EBC_PB7AP) && defined(CFG_EBC_PB7CR))
+#if (defined(CFG_EBC_PB7AP) && defined(CFG_EBC_PB7CR) && !(CFG_INIT_DCACHE_CS == 7))
mtebc(pb7ap, CFG_EBC_PB7AP);
mtebc(pb7cr, CFG_EBC_PB7CR);
#endif
unsigned long val;
val = mfspr(tcr);
+#if defined(CONFIG_440EP) || defined(CONFIG_440GR)
+ val |= 0xb8000000; /* generate system reset after 1.34 seconds */
+#else
val |= 0xf0000000; /* generate system reset after 2.684 seconds */
+#endif
mtspr(tcr, val);
val = mfspr(tsr);
int cpu_init_r (void)
{
#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
- DECLARE_GLOBAL_DATA_PTR;
-
bd_t *bd = gd->bd;
unsigned long reg;
#if defined(CONFIG_405GP)
uint pvr = get_pvr();
#endif
+#ifdef CFG_INIT_DCACHE_CS
+ /*
+ * Flush and invalidate dcache, then disable CS for temporary stack.
+ * Afterwards, this CS can be used for other purposes
+ */
+ dcache_disable(); /* flush and invalidate dcache */
+ mtebc(PBxAP, 0);
+ mtebc(PBxCR, 0); /* disable CS for temporary stack */
+
+#if (defined(PBxAP_VAL) && defined(PBxCR_VAL))
+ /*
+ * Write new value into CS register
+ */
+ mtebc(PBxAP, PBxAP_VAL);
+ mtebc(PBxCR, PBxCR_VAL);
+#endif
+#endif /* CFG_INIT_DCACHE_CS */
+
/*
* Write Ethernetaddress into on-chip register
*/
projects / oweals / u-boot.git / blobdiff