This patch add support for the 1 GiB DDR2-SDRAM on the TQM8548_AG module.
Signed-off-by: Jens Gehrlein sew_s@tqs.de Signed-off-by: Wolfgang Grandegger wg@grandegger.com --- board/tqc/tqm85xx/law.c | 2 +- board/tqc/tqm85xx/sdram.c | 9 +++++++++ board/tqc/tqm85xx/tlb.c | 19 ++++++++++++++++--- 3 files changed, 26 insertions(+), 4 deletions(-)
Index: u-boot/board/tqc/tqm85xx/law.c =================================================================== --- u-boot.orig/board/tqc/tqm85xx/law.c +++ u-boot/board/tqc/tqm85xx/law.c @@ -66,7 +66,7 @@ #endif
struct law_entry law_table[] = { - SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_DDR), + SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_2G, LAW_TRGT_IF_DDR), SET_LAW(CONFIG_SYS_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI), SET_LAW(CONFIG_SYS_LBC_FLASH_BASE, LAW_3_SIZE, LAW_TRGT_IF_LBC), SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_16M, LAW_TRGT_IF_PCI), Index: u-boot/board/tqc/tqm85xx/sdram.c =================================================================== --- u-boot.orig/board/tqc/tqm85xx/sdram.c +++ u-boot/board/tqc/tqm85xx/sdram.c @@ -38,11 +38,20 @@ struct sdram_conf_s { typedef struct sdram_conf_s sdram_conf_t;
#ifdef CONFIG_TQM8548 +#ifdef CONFIG_TQM8548_AG +sdram_conf_t ddr_cs_conf[] = { + {(1024 << 20), 0x80044202, 0x0002D000}, /* 1024MB, 14x10(4) */ + { (512 << 20), 0x80044102, 0x0001A000}, /* 512MB, 13x10(4) */ + { (256 << 20), 0x80040102, 0x00014000}, /* 256MB, 13x10(4) */ + { (128 << 20), 0x80040101, 0x0000C000}, /* 128MB, 13x9(4) */ +}; +#else /* !CONFIG_TQM8548_AG */ sdram_conf_t ddr_cs_conf[] = { {(512 << 20), 0x80044102, 0x0001A000}, /* 512MB, 13x10(4) */ {(256 << 20), 0x80040102, 0x00014000}, /* 256MB, 13x10(4) */ {(128 << 20), 0x80040101, 0x0000C000}, /* 128MB, 13x9(4) */ }; +#endif /* CONFIG_TQM8548_AG */ #else /* !CONFIG_TQM8548 */ sdram_conf_t ddr_cs_conf[] = { {(512 << 20), 0x80000202}, /* 512MB, 14x10(4) */ Index: u-boot/board/tqc/tqm85xx/tlb.c =================================================================== --- u-boot.orig/board/tqc/tqm85xx/tlb.c +++ u-boot/board/tqc/tqm85xx/tlb.c @@ -121,12 +121,25 @@ struct fsl_e_tlb_entry tlb_table[] = { MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, 0, 6, BOOKE_PAGESZ_64M, 1),
+#if defined(CONFIG_TQM8548_AG) || defined (CONFIG_TQM8548_BE) + /* + * TLB 7+8: 2G DDR, cache enabled + * 0x00000000 2G DDR System memory + * Without SPD EEPROM configured DDR, this must be setup manually. + */ + SET_TLB_ENTRY (1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 7, BOOKE_PAGESZ_1G, 1), + + SET_TLB_ENTRY (1, CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000, + CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 8, BOOKE_PAGESZ_1G, 1), +#else /* * TLB 7+8: 512M DDR, cache disabled (needed for memory test) * 0x00000000 512M DDR System memory * Without SPD EEPROM configured DDR, this must be setup manually. - * Make sure the TLB count at the top of this table is correct. - * Likely it needs to be increased by two for these entries. */ SET_TLB_ENTRY (1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE, MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, @@ -136,7 +149,7 @@ struct fsl_e_tlb_entry tlb_table[] = { CONFIG_SYS_DDR_SDRAM_BASE + 0x10000000, MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, 0, 8, BOOKE_PAGESZ_256M, 1), - +#endif #ifdef CONFIG_PCIE1 /* * TLB 9: 16M Non-cacheable, guarded