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authorTimur Tabi <timur@freescale.com>2007-01-31 15:54:20 -0600
committerKim Phillips <kim.phillips@freescale.com>2007-03-02 11:05:54 -0600
commitfab16807adad350f618024350c6950165c247c72 (patch)
tree4d3d40839a012770e13004fbbc9a8fd9bcf56e98 /board/mpc8349itx/mpc8349itx.c
parenta87c856eb411b9365937d0d4b9c21e46adbe1c14 (diff)
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mpc83xx: Delete sdram_init() for MPC8349E-mITX
There is no SDRAM on any of the 8349 ITX variants, so function sdram_init() never does anything. This patch deletes it. Signed-off-by: Timur Tabi <timur@freescale.com>
Diffstat (limited to 'board/mpc8349itx/mpc8349itx.c')
-rw-r--r--board/mpc8349itx/mpc8349itx.c88
1 files changed, 1 insertions, 87 deletions
diff --git a/board/mpc8349itx/mpc8349itx.c b/board/mpc8349itx/mpc8349itx.c
index 0e372ab..72c47f4 100644
--- a/board/mpc8349itx/mpc8349itx.c
+++ b/board/mpc8349itx/mpc8349itx.c
@@ -134,88 +134,6 @@ volatile static struct pci_controller hose[] = {
};
#endif /* CONFIG_PCI */
-/* If MPC8349E-mITX is soldered with SDRAM, then initialize it. */
-
-void sdram_init(void)
-{
- volatile immap_t *immap = (immap_t *) CFG_IMMR;
- volatile lbus83xx_t *lbc = &immap->lbus;
-
-#if defined(CFG_BR2_PRELIM) \
- && defined(CFG_OR2_PRELIM) \
- && defined(CFG_LBLAWBAR2_PRELIM) \
- && defined(CFG_LBLAWAR2_PRELIM) \
- && !defined(CONFIG_COMPACT_FLASH)
-
- uint *sdram_addr = (uint *) CFG_LBC_SDRAM_BASE;
-
- puts("\n SDRAM on Local Bus: ");
- print_size(CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
-
- /*
- * Setup SDRAM Base and Option Registers, already done in cpu_init.c
- */
-
- /*setup mtrpt, lsrt and lbcr for LB bus */
- lbc->lbcr = CFG_LBC_LBCR;
- lbc->mrtpr = CFG_LBC_MRTPR;
- lbc->lsrt = CFG_LBC_LSRT;
- asm("sync");
-
- /*
- * Configure the SDRAM controller Machine Mode register.
- */
- lbc->lsdmr = CFG_LBC_LSDMR_5; /* 0x40636733; normal operation */
-
- lbc->lsdmr = CFG_LBC_LSDMR_1; /*0x68636733; precharge all the banks */
- asm("sync");
- *sdram_addr = 0xff;
- udelay(100);
-
- lbc->lsdmr = CFG_LBC_LSDMR_2; /*0x48636733; auto refresh */
- asm("sync");
- *sdram_addr = 0xff; /*1 time*/
- udelay(100);
- *sdram_addr = 0xff; /*2 times*/
- udelay(100);
- *sdram_addr = 0xff; /*3 times*/
- udelay(100);
- *sdram_addr = 0xff; /*4 times*/
- udelay(100);
- *sdram_addr = 0xff; /*5 times*/
- udelay(100);
- *sdram_addr = 0xff; /*6 times*/
- udelay(100);
- *sdram_addr = 0xff; /*7 times*/
- udelay(100);
- *sdram_addr = 0xff; /*8 times*/
- udelay(100);
-
- lbc->lsdmr = CFG_LBC_LSDMR_4; /*0x58636733;mode register write operation */
- asm("sync");
- *sdram_addr = 0xff;
- udelay(100);
-
- lbc->lsdmr = CFG_LBC_LSDMR_5; /*0x40636733;normal operation */
- asm("sync");
- *sdram_addr = 0xff;
- udelay(100);
-
-#else
- puts("SDRAM on Local Bus is NOT available!\n");
-
-#ifdef CFG_BR2_PRELIM
- lbc->bank[2].br = CFG_BR2_PRELIM;
- lbc->bank[2].or = CFG_OR2_PRELIM;
-#endif
-
-#ifdef CFG_BR3_PRELIM
- lbc->bank[3].br = CFG_BR3_PRELIM;
- lbc->bank[3].or = CFG_OR3_PRELIM;
-#endif
-#endif
-}
-
long int initdram(int board_type)
{
volatile immap_t *im = (immap_t *) CFG_IMMR;
@@ -243,12 +161,8 @@ long int initdram(int board_type)
ddr_enable_ecc(msize * 1048576);
#endif
- /*
- * Initialize SDRAM if it is on local bus.
- */
- sdram_init();
puts(" DDR RAM: ");
- /* return total bus SDRAM size(bytes) -- DDR */
+ /* return total bus RAM size(bytes) */
return msize * 1024 * 1024;
}