+++ /dev/null
-/*
- * (C) Copyright 2004
- * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/processor.h>
-#include <command.h>
-
-#define MEM_MCOPT1_INIT_VAL 0x00800000
-#define MEM_RTR_INIT_VAL 0x04070000
-#define MEM_PMIT_INIT_VAL 0x07c00000
-#define MEM_MB0CF_INIT_VAL 0x00082001
-#define MEM_MB1CF_INIT_VAL 0x04082000
-#define MEM_SDTR1_INIT_VAL 0x00854005
-#define SDRAM0_CFG_ENABLE 0x80000000
-
-#define CONFIG_SYS_SDRAM_SIZE 0x04000000 /* 64 MB */
-
-int board_early_init_f (void)
-{
-#if 0 /* test-only */
- mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
- mtdcr (UIC0ER, 0x00000000); /* disable all ints */
- mtdcr (UIC0CR, 0x00000010);
- mtdcr (UIC0PR, 0xFFFF7FF0); /* set int polarities */
- mtdcr (UIC0TR, 0x00000010); /* set int trigger levels */
- mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
-#else
- mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
- mtdcr(UIC0ER, 0x00000000); /* disable all ints */
- mtdcr(UIC0CR, 0x00000000); /* set all to be non-critical*/
- mtdcr(UIC0PR, 0xFFFFFFF0); /* set int polarities */
- mtdcr(UIC0TR, 0x10000000); /* set int trigger levels */
- mtdcr(UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority*/
- mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
-#endif
-
-#if 1 /* test-only */
- /*
- * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us
- */
- mtebc (EBC0_CFG, 0xa8400000); /* ebc always driven */
-#endif
-
- return 0;
-}
-
-
-int misc_init_f (void)
-{
- return 0; /* dummy implementation */
-}
-
-
-int misc_init_r (void)
-{
-#if defined(CONFIG_CMD_NAND)
- /*
- * Set NAND-FLASH GPIO signals to default
- */
- out32(GPIO0_OR, in32(GPIO0_OR) & ~(CONFIG_SYS_NAND_CLE | CONFIG_SYS_NAND_ALE));
- out32(GPIO0_OR, in32(GPIO0_OR) | CONFIG_SYS_NAND_CE);
-#endif
-
- return (0);
-}
-
-
-/*
- * Check Board Identity:
- */
-int checkboard (void)
-{
- char str[64];
- int i = getenv_f("serial#", str, sizeof(str));
-
- puts ("Board: ");
-
- if (i == -1) {
- puts ("### No HW ID - assuming G2000");
- } else {
- puts(str);
- }
-
- putc ('\n');
-
- return 0;
-}
-
-
-/* -------------------------------------------------------------------------
- G2000 rev B is an embeded design. we don't read for spd of this version.
- Doing static SDRAM controller configuration in the following section.
- ------------------------------------------------------------------------- */
-
-long int init_sdram_static_settings(void)
-{
- /* disable memcontroller so updates work */
- mtsdram(SDRAM0_CFG, MEM_MCOPT1_INIT_VAL);
- mtsdram(SDRAM0_RTR, MEM_RTR_INIT_VAL);
- mtsdram(SDRAM0_PMIT, MEM_PMIT_INIT_VAL);
- mtsdram(SDRAM0_B0CR, MEM_MB0CF_INIT_VAL);
- mtsdram(SDRAM0_B1CR, MEM_MB1CF_INIT_VAL);
- mtsdram(SDRAM0_TR, MEM_SDTR1_INIT_VAL);
-
- /* SDRAM have a power on delay, 500 micro should do */
- udelay(500);
- mtsdram(SDRAM0_CFG, MEM_MCOPT1_INIT_VAL|SDRAM0_CFG_ENABLE);
-
- return (CONFIG_SYS_SDRAM_SIZE); /* CONFIG_SYS_SDRAM_SIZE is in G2000.h */
- }
-
-
-phys_size_t initdram (int board_type)
-{
- long int ret;
-
-/* flzt, we can still turn this on in the future */
-/* #ifdef CONFIG_SPD_EEPROM
- ret = spd_sdram ();
-#else
- ret = init_sdram_static_settings();
-#endif
-*/
-
- ret = init_sdram_static_settings();
-
- return ret;
-}
-
-#if 0 /* test-only !!! */
-int do_dumpebc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
- ulong ap, cr;
-
- printf("\nEBC registers for PPC405GP:\n");
- mfebc(PB0AP, ap); mfebc(PB0CR, cr);
- printf("0: AP=%08lx CP=%08lx\n", ap, cr);
- mfebc(PB1AP, ap); mfebc(PB1CR, cr);
- printf("1: AP=%08lx CP=%08lx\n", ap, cr);
- mfebc(PB2AP, ap); mfebc(PB2CR, cr);
- printf("2: AP=%08lx CP=%08lx\n", ap, cr);
- mfebc(PB3AP, ap); mfebc(PB3CR, cr);
- printf("3: AP=%08lx CP=%08lx\n", ap, cr);
- mfebc(PB4AP, ap); mfebc(PB4CR, cr);
- printf("4: AP=%08lx CP=%08lx\n", ap, cr);
- printf("\n");
-
- return 0;
-}
-U_BOOT_CMD(
- dumpebc, 1, 1, do_dumpebc,
- "Dump all EBC registers",
- ""
-);
-
-
-int do_dumpdcr(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
- int i;
-
- printf("\nDevice Configuration Registers (DCR's) for PPC405GP:");
- for (i=0; i<=0x1e0; i++) {
- if (!(i % 0x8)) {
- printf("\n%04x ", i);
- }
- printf("%08lx ", get_dcr(i));
- }
- printf("\n");
-
- return 0;
-}
-U_BOOT_CMD(
- dumpdcr, 1, 1, do_dumpdcr,
- "Dump all DCR registers",
- ""
-);
-
-
-int do_dumpspr(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
- printf("\nSpecial Purpose Registers (SPR's) for PPC405GP:");
- printf("\n%04x %08x ", 947, mfspr(947));
- printf("\n%04x %08x ", 9, mfspr(9));
- printf("\n%04x %08x ", 1014, mfspr(1014));
- printf("\n%04x %08x ", 1015, mfspr(1015));
- printf("\n%04x %08x ", 1010, mfspr(1010));
- printf("\n%04x %08x ", 957, mfspr(957));
- printf("\n%04x %08x ", 1008, mfspr(1008));
- printf("\n%04x %08x ", 1018, mfspr(1018));
- printf("\n%04x %08x ", 954, mfspr(954));
- printf("\n%04x %08x ", 950, mfspr(950));
- printf("\n%04x %08x ", 951, mfspr(951));
- printf("\n%04x %08x ", 981, mfspr(981));
- printf("\n%04x %08x ", 980, mfspr(980));
- printf("\n%04x %08x ", 982, mfspr(982));
- printf("\n%04x %08x ", 1012, mfspr(1012));
- printf("\n%04x %08x ", 1013, mfspr(1013));
- printf("\n%04x %08x ", 948, mfspr(948));
- printf("\n%04x %08x ", 949, mfspr(949));
- printf("\n%04x %08x ", 1019, mfspr(1019));
- printf("\n%04x %08x ", 979, mfspr(979));
- printf("\n%04x %08x ", 8, mfspr(8));
- printf("\n%04x %08x ", 945, mfspr(945));
- printf("\n%04x %08x ", 987, mfspr(987));
- printf("\n%04x %08x ", 287, mfspr(287));
- printf("\n%04x %08x ", 953, mfspr(953));
- printf("\n%04x %08x ", 955, mfspr(955));
- printf("\n%04x %08x ", 272, mfspr(272));
- printf("\n%04x %08x ", 273, mfspr(273));
- printf("\n%04x %08x ", 274, mfspr(274));
- printf("\n%04x %08x ", 275, mfspr(275));
- printf("\n%04x %08x ", 260, mfspr(260));
- printf("\n%04x %08x ", 276, mfspr(276));
- printf("\n%04x %08x ", 261, mfspr(261));
- printf("\n%04x %08x ", 277, mfspr(277));
- printf("\n%04x %08x ", 262, mfspr(262));
- printf("\n%04x %08x ", 278, mfspr(278));
- printf("\n%04x %08x ", 263, mfspr(263));
- printf("\n%04x %08x ", 279, mfspr(279));
- printf("\n%04x %08x ", 26, mfspr(26));
- printf("\n%04x %08x ", 27, mfspr(27));
- printf("\n%04x %08x ", 990, mfspr(990));
- printf("\n%04x %08x ", 991, mfspr(991));
- printf("\n%04x %08x ", 956, mfspr(956));
- printf("\n%04x %08x ", 284, mfspr(284));
- printf("\n%04x %08x ", 285, mfspr(285));
- printf("\n%04x %08x ", 986, mfspr(986));
- printf("\n%04x %08x ", 984, mfspr(984));
- printf("\n%04x %08x ", 256, mfspr(256));
- printf("\n%04x %08x ", 1, mfspr(1));
- printf("\n%04x %08x ", 944, mfspr(944));
- printf("\n");
-
- return 0;
-}
-U_BOOT_CMD(
- dumpspr, 1, 1, do_dumpspr,
- "Dump all SPR registers",
- ""
-);
-#endif
projects / oweals / u-boot.git / blobdiff