diff options
Diffstat (limited to 'cpu/mpc86xx/spd_sdram.c')
| -rw-r--r-- | cpu/mpc86xx/spd_sdram.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/cpu/mpc86xx/spd_sdram.c b/cpu/mpc86xx/spd_sdram.c index 265e033..54e40f1 100644 --- a/cpu/mpc86xx/spd_sdram.c +++ b/cpu/mpc86xx/spd_sdram.c @@ -196,7 +196,7 @@ spd_init(unsigned char i2c_address, unsigned int ddr_num, spd_eeprom_t spd; unsigned int n_ranks; unsigned int rank_density; - unsigned int odt_rd_cfg, odt_wr_cfg; + unsigned int odt_rd_cfg, odt_wr_cfg, ba_bits; unsigned int odt_cfg, mode_odt_enable; unsigned int refresh_clk; #ifdef MPC86xx_DDR_SDRAM_CLK_CNTL @@ -321,6 +321,10 @@ spd_init(unsigned char i2c_address, unsigned int ddr_num, odt_wr_cfg = 1; /* Assert ODT on writes to CS0 */ } + ba_bits = 0; + if (spd.nbanks == 0x8) + ba_bits = 1; + #ifdef CONFIG_DDR_INTERLEAVE if (dimm_num != 1) { @@ -357,6 +361,7 @@ spd_init(unsigned char i2c_address, unsigned int ddr_num, #endif | (odt_rd_cfg << 20) | (odt_wr_cfg << 16) + | (ba_bits << 14) | (spd.nrow_addr - 12) << 8 | (spd.ncol_addr - 8) ); @@ -386,6 +391,7 @@ spd_init(unsigned char i2c_address, unsigned int ddr_num, ddr->cs0_config = ( 1 << 31 | (odt_rd_cfg << 20) | (odt_wr_cfg << 16) + | (ba_bits << 14) | (spd.nrow_addr - 12) << 8 | (spd.ncol_addr - 8) ); @@ -403,6 +409,7 @@ spd_init(unsigned char i2c_address, unsigned int ddr_num, ddr->cs1_config = ( 1<<31 | (odt_rd_cfg << 20) | (odt_wr_cfg << 16) + | (ba_bits << 14) | (spd.nrow_addr - 12) << 8 | (spd.ncol_addr - 8) ); debug("DDR: cs1_bnds = 0x%08x\n", ddr->cs1_bnds); @@ -422,6 +429,7 @@ spd_init(unsigned char i2c_address, unsigned int ddr_num, ddr->cs2_config = ( 1 << 31 | (odt_rd_cfg << 20) | (odt_wr_cfg << 16) + | (ba_bits << 14) | (spd.nrow_addr - 12) << 8 | (spd.ncol_addr - 8) ); @@ -439,6 +447,7 @@ spd_init(unsigned char i2c_address, unsigned int ddr_num, ddr->cs3_config = ( 1<<31 | (odt_rd_cfg << 20) | (odt_wr_cfg << 16) + | (ba_bits << 14) | (spd.nrow_addr - 12) << 8 | (spd.ncol_addr - 8) ); debug("DDR: cs3_bnds = 0x%08x\n", ddr->cs3_bnds); |