diff options
Diffstat (limited to 'board/freescale/mpc8360emds/mpc8360emds.c')
| -rw-r--r-- | board/freescale/mpc8360emds/mpc8360emds.c | 39 |
1 files changed, 27 insertions, 12 deletions
diff --git a/board/freescale/mpc8360emds/mpc8360emds.c b/board/freescale/mpc8360emds/mpc8360emds.c index fc0a0e5..b5cf714 100644 --- a/board/freescale/mpc8360emds/mpc8360emds.c +++ b/board/freescale/mpc8360emds/mpc8360emds.c @@ -120,7 +120,7 @@ int board_early_init_r(void) extern void ddr_enable_ecc(unsigned int dram_size); #endif int fixed_sdram(void); -void sdram_init(void); +static int sdram_init(unsigned int base); phys_size_t initdram(int board_type) { @@ -147,7 +147,7 @@ phys_size_t initdram(int board_type) /* * Initialize SDRAM if it is on local bus. */ - sdram_init(); + msize += sdram_init(msize * 1024 * 1024); /* return total bus SDRAM size(bytes) -- DDR */ return (msize * 1024 * 1024); @@ -219,23 +219,32 @@ int checkboard(void) /* * if MPC8360EMDS is soldered with SDRAM */ -#if defined(CONFIG_SYS_BR2_PRELIM) \ - && defined(CONFIG_SYS_OR2_PRELIM) \ - && defined(CONFIG_SYS_LBLAWBAR2_PRELIM) \ - && defined(CONFIG_SYS_LBLAWAR2_PRELIM) +#ifdef CONFIG_SYS_LB_SDRAM /* * Initialize SDRAM memory on the Local Bus. */ -void sdram_init(void) +static int sdram_init(unsigned int base) { volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; volatile lbus83xx_t *lbc = &immap->lbus; - uint *sdram_addr = (uint *) CONFIG_SYS_LBC_SDRAM_BASE; + const int sdram_size = CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024; + int rem = base % sdram_size; + uint *sdram_addr; + /* window base address should be aligned to the window size */ + if (rem) + base = base - rem + sdram_size; + + sdram_addr = (uint *)base; /* - * Setup SDRAM Base and Option Registers, already done in cpu_init.c + * Setup SDRAM Base and Option Registers */ + immap->lbus.bank[2].br = base | CONFIG_SYS_BR2; + immap->lbus.bank[2].or = CONFIG_SYS_OR2; + immap->sysconf.lblaw[2].bar = base; + immap->sysconf.lblaw[2].ar = CONFIG_SYS_LBLAWAR2; + /*setup mtrpt, lsrt and lbcr for LB bus */ lbc->lbcr = CONFIG_SYS_LBC_LBCR; lbc->mrtpr = CONFIG_SYS_LBC_MRTPR; @@ -284,11 +293,17 @@ void sdram_init(void) asm("sync"); *sdram_addr = 0xff; udelay(100); + + /* + * In non-aligned case we don't [normally] use that memory because + * there is a hole. + */ + if (rem) + return 0; + return CONFIG_SYS_LBC_SDRAM_SIZE; } #else -void sdram_init(void) -{ -} +static int sdram_init(unsigned int base) { return 0; } #endif #if defined(CONFIG_OF_BOARD_SETUP) |