/*
- * Copyright 2004 Freescale Semiconductor.
+ * Copyright 2004, 2011 Freescale Semiconductor.
*
* See file CREDITS for list of people who contributed to this
* project.
#include <common.h>
#include <pci.h>
#include <asm/processor.h>
+#include <asm/mmu.h>
#include <asm/immap_85xx.h>
+#include <asm/fsl_ddr_sdram.h>
#include <ioports.h>
#include <spd_sdram.h>
#include <libfdt.h>
#endif
void local_bus_init(void);
-void sdram_init(void);
/*
* I/O Port configuration table
}
};
-int board_early_init_f (void)
-{
- return 0;
-}
-
int checkboard (void)
{
- volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
+ volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+ char buf[32];
/* PCI slot in USER bits CSR[6:7] by convention. */
uint pci_slot = get_pci_slot ();
MPC85XX_CPU_BOARD_MAJOR (cpu_board_rev),
MPC85XX_CPU_BOARD_MINOR (cpu_board_rev), cpu_board_rev);
- printf (" PCI1: %d bit, %s MHz, %s\n",
+ printf("PCI1: %d bit, %s MHz, %s\n",
(pci1_32) ? 32 : 64,
- (pci1_speed == 33000000) ? "33" :
- (pci1_speed == 66000000) ? "66" : "unknown",
+ strmhz(buf, pci1_speed),
pci1_clk_sel ? "sync" : "async");
if (pci_dual) {
- printf (" PCI2: 32 bit, 66 MHz, %s\n",
+ printf("PCI2: 32 bit, 66 MHz, %s\n",
pci2_clk_sel ? "sync" : "async");
} else {
- printf (" PCI2: disabled\n");
+ printf("PCI2: disabled\n");
}
/*
return 0;
}
-long int
-initdram(int board_type)
-{
- long dram_size = 0;
-
- puts("Initializing\n");
-
-#if defined(CONFIG_DDR_DLL)
- {
- /*
- * Work around to stabilize DDR DLL MSYNC_IN.
- * Errata DDR9 seems to have been fixed.
- * This is now the workaround for Errata DDR11:
- * Override DLL = 1, Course Adj = 1, Tap Select = 0
- */
-
- volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
-
- gur->ddrdllcr = 0x81000000;
- asm("sync;isync;msync");
- udelay(200);
- }
-#endif
- dram_size = spd_sdram();
-
-#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
- /*
- * Initialize and enable DDR ECC.
- */
- ddr_enable_ecc(dram_size);
-#endif
- /*
- * SDRAM Initialization
- */
- sdram_init();
-
- puts(" DDR: ");
- return dram_size;
-}
-
/*
* Initialize Local Bus
*/
void
local_bus_init(void)
{
- volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
- volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
+ volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+ volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
uint clkdiv;
uint lbc_hz;
* Errata LBC11.
* Fix Local Bus clock glitch when DLL is enabled.
*
- * If localbus freq is < 66Mhz, DLL bypass mode must be used.
- * If localbus freq is > 133Mhz, DLL can be safely enabled.
+ * If localbus freq is < 66MHz, DLL bypass mode must be used.
+ * If localbus freq is > 133MHz, DLL can be safely enabled.
* Between 66 and 133, the DLL is enabled with an override workaround.
*/
get_sys_info(&sysinfo);
- clkdiv = lbc->lcrr & 0x0f;
+ clkdiv = lbc->lcrr & LCRR_CLKDIV;
lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
if (lbc_hz < 66) {
- lbc->lcrr |= 0x80000000; /* DLL Bypass */
+ lbc->lcrr |= LCRR_DBYP; /* DLL Bypass */
} else if (lbc_hz >= 133) {
- lbc->lcrr &= (~0x80000000); /* DLL Enabled */
+ lbc->lcrr &= (~LCRR_DBYP); /* DLL Enabled */
} else {
- lbc->lcrr &= (~0x8000000); /* DLL Enabled */
+ lbc->lcrr &= (~LCRR_DBYP); /* DLL Enabled */
udelay(200);
/*
/*
* Initialize SDRAM memory on the Local Bus.
*/
-void
-sdram_init(void)
+void lbc_sdram_init(void)
{
-#if defined(CFG_OR2_PRELIM) && defined(CFG_BR2_PRELIM)
+#if defined(CONFIG_SYS_OR2_PRELIM) && defined(CONFIG_SYS_BR2_PRELIM)
uint idx;
- volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
- uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE;
+ volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
+ uint *sdram_addr = (uint *)CONFIG_SYS_LBC_SDRAM_BASE;
uint cpu_board_rev;
uint lsdmr_common;
- puts(" SDRAM: ");
-
- print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
+ puts("LBC SDRAM: ");
+ print_size(CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024,
+ "\n ");
/*
* Setup SDRAM Base and Option Registers
*/
- lbc->or2 = CFG_OR2_PRELIM;
+ set_lbc_or(2, CONFIG_SYS_OR2_PRELIM);
+ set_lbc_br(2, CONFIG_SYS_BR2_PRELIM);
+ lbc->lbcr = CONFIG_SYS_LBC_LBCR;
asm("msync");
- lbc->br2 = CFG_BR2_PRELIM;
- asm("msync");
-
- lbc->lbcr = CFG_LBC_LBCR;
- asm("msync");
-
- lbc->lsrt = CFG_LBC_LSRT;
- lbc->mrtpr = CFG_LBC_MRTPR;
+ lbc->lsrt = CONFIG_SYS_LBC_LSRT;
+ lbc->mrtpr = CONFIG_SYS_LBC_MRTPR;
asm("msync");
/*
* Determine which address lines to use baed on CPU board rev.
*/
cpu_board_rev = get_cpu_board_revision();
- lsdmr_common = CFG_LBC_LSDMR_COMMON;
+ lsdmr_common = CONFIG_SYS_LBC_LSDMR_COMMON;
if (cpu_board_rev == MPC85XX_CPU_BOARD_REV_1_0) {
- lsdmr_common |= CFG_LBC_LSDMR_BSMA1617;
+ lsdmr_common |= LSDMR_BSMA1617;
} else if (cpu_board_rev == MPC85XX_CPU_BOARD_REV_1_1) {
- lsdmr_common |= CFG_LBC_LSDMR_BSMA1516;
+ lsdmr_common |= LSDMR_BSMA1516;
} else {
/*
* Assume something unable to identify itself is
* really old, and likely has lines 16/17 mapped.
*/
- lsdmr_common |= CFG_LBC_LSDMR_BSMA1617;
+ lsdmr_common |= LSDMR_BSMA1617;
}
/*
* Issue PRECHARGE ALL command.
*/
- lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_PCHALL;
+ lbc->lsdmr = lsdmr_common | LSDMR_OP_PCHALL;
asm("sync;msync");
*sdram_addr = 0xff;
ppcDcbf((unsigned long) sdram_addr);
* Issue 8 AUTO REFRESH commands.
*/
for (idx = 0; idx < 8; idx++) {
- lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_ARFRSH;
+ lbc->lsdmr = lsdmr_common | LSDMR_OP_ARFRSH;
asm("sync;msync");
*sdram_addr = 0xff;
ppcDcbf((unsigned long) sdram_addr);
/*
* Issue 8 MODE-set command.
*/
- lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_MRW;
+ lbc->lsdmr = lsdmr_common | LSDMR_OP_MRW;
asm("sync;msync");
*sdram_addr = 0xff;
ppcDcbf((unsigned long) sdram_addr);
/*
* Issue NORMAL OP command.
*/
- lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_NORMAL;
+ lbc->lsdmr = lsdmr_common | LSDMR_OP_NORMAL;
asm("sync;msync");
*sdram_addr = 0xff;
ppcDcbf((unsigned long) sdram_addr);
#endif /* enable SDRAM init */
}
-#if defined(CFG_DRAM_TEST)
-int
-testdram(void)
-{
- uint *pstart = (uint *) CFG_MEMTEST_START;
- uint *pend = (uint *) CFG_MEMTEST_END;
- uint *p;
-
- printf("Testing DRAM from 0x%08x to 0x%08x\n",
- CFG_MEMTEST_START,
- CFG_MEMTEST_END);
-
- printf("DRAM test phase 1:\n");
- for (p = pstart; p < pend; p++)
- *p = 0xaaaaaaaa;
-
- for (p = pstart; p < pend; p++) {
- if (*p != 0xaaaaaaaa) {
- printf ("DRAM test fails at: %08x\n", (uint) p);
- return 1;
- }
- }
-
- printf("DRAM test phase 2:\n");
- for (p = pstart; p < pend; p++)
- *p = 0x55555555;
-
- for (p = pstart; p < pend; p++) {
- if (*p != 0x55555555) {
- printf ("DRAM test fails at: %08x\n", (uint) p);
- return 1;
- }
- }
-
- printf("DRAM test passed.\n");
- return 0;
-}
-#endif
-
#ifdef CONFIG_PCI
/* For some reason the Tundra PCI bridge shows up on itself as a
* different device. Work around that by refusing to configure it
projects / karo-tx-uboot.git / blobdiff