diff options
Diffstat (limited to 'board/lwmon5')
| -rw-r--r-- | board/lwmon5/lwmon5.c | 89 | ||||
| -rw-r--r-- | board/lwmon5/sdram.c | 38 |
2 files changed, 92 insertions, 35 deletions
diff --git a/board/lwmon5/lwmon5.c b/board/lwmon5/lwmon5.c index d916284..830ec19 100644 --- a/board/lwmon5/lwmon5.c +++ b/board/lwmon5/lwmon5.c @@ -45,16 +45,16 @@ int board_early_init_f(void) mtdcr(uic0sr, 0xffffffff); /* clear all. if write with 1 then the status is cleared */ mtdcr(uic0er, 0x00000000); /* disable all */ mtdcr(uic0cr, 0x00000000); /* we have not critical interrupts at the moment */ - mtdcr(uic0pr, 0xfffff7ff); /* Adjustment of the polarity */ - mtdcr(uic0tr, 0x00000810); /* per ref-board manual */ + mtdcr(uic0pr, 0xFFBFF1EF); /* Adjustment of the polarity */ + mtdcr(uic0tr, 0x00000900); /* per ref-board manual */ mtdcr(uic0vr, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */ mtdcr(uic0sr, 0xffffffff); /* clear all */ mtdcr(uic1sr, 0xffffffff); /* clear all */ mtdcr(uic1er, 0x00000000); /* disable all */ mtdcr(uic1cr, 0x00000000); /* all non-critical */ - mtdcr(uic1pr, 0xFFFFC7AD); /* Adjustment of the polarity */ - mtdcr(uic1tr, 0x0600384A); /* per ref-board manual */ + mtdcr(uic1pr, 0xFFFFC6A5); /* Adjustment of the polarity */ + mtdcr(uic1tr, 0x60000040); /* per ref-board manual */ mtdcr(uic1vr, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */ mtdcr(uic1sr, 0xffffffff); /* clear all */ @@ -62,9 +62,9 @@ int board_early_init_f(void) mtdcr(uic2er, 0x00000000); /* disable all */ mtdcr(uic2cr, 0x00000000); /* all non-critical */ mtdcr(uic2pr, 0x27C00000); /* Adjustment of the polarity */ - mtdcr(uic2tr, 0xDFC00000); /* per ref-board manual */ + mtdcr(uic2tr, 0x3C000000); /* per ref-board manual */ mtdcr(uic2vr, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */ - mtdcr(uic2sr, 0xffffffff); /* clear all. Why this??? */ + mtdcr(uic2sr, 0xffffffff); /* clear all */ /* Trace Pins are disabled. SDR0_PFC0 Register */ mtsdr(SDR0_PFC0, 0x0); @@ -158,13 +158,13 @@ int misc_init_r(void) (void)flash_protect(FLAG_PROTECT_SET, -CFG_MONITOR_LEN, 0xffffffff, - &flash_info[0]); + &flash_info[1]); /* Env protection ON by default */ (void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR_REDUND, CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1, - &flash_info[0]); + &flash_info[1]); /* * USB suff... @@ -221,8 +221,8 @@ int misc_init_r(void) udelay(500); gpio_write_bit(CFG_GPIO_LIME_RST, 1); - /* Lime memory clock adjusted to 133MHz */ - out_be32((void *)CFG_LIME_SDRAM_CLOCK, CFG_LIME_CLOCK_133MHZ); + /* Lime memory clock adjusted to 100MHz */ + out_be32((void *)CFG_LIME_SDRAM_CLOCK, CFG_LIME_CLOCK_100MHZ); /* Wait untill time expired. Because of requirements in lime manual */ udelay(300); /* Write lime controller memory parameters */ @@ -237,6 +237,64 @@ int misc_init_r(void) gpio_write_bit(CFG_GPIO_PHY0_RST, 1); gpio_write_bit(CFG_GPIO_PHY1_RST, 1); + /* + * Init display controller + */ + /* Setup dot clock (internal PLL, division rate 1/16) */ + out_be32((void *)0xc1fd0100, 0x00000f00); + + /* Lime L0 init (16 bpp, 640x480) */ + out_be32((void *)0xc1fd0020, 0x801401df); + out_be32((void *)0xc1fd0024, 0x0); + out_be32((void *)0xc1fd0028, 0x0); + out_be32((void *)0xc1fd002c, 0x0); + out_be32((void *)0xc1fd0110, 0x0); + out_be32((void *)0xc1fd0114, 0x0); + out_be32((void *)0xc1fd0118, 0x01df0280); + + /* Display timing init */ + out_be32((void *)0xc1fd0004, 0x031f0000); + out_be32((void *)0xc1fd0008, 0x027f027f); + out_be32((void *)0xc1fd000c, 0x015f028f); + out_be32((void *)0xc1fd0010, 0x020c0000); + out_be32((void *)0xc1fd0014, 0x01df01ea); + out_be32((void *)0xc1fd0018, 0x0); + out_be32((void *)0xc1fd001c, 0x01e00280); + +#if 1 + /* + * Clear framebuffer using Lime's drawing engine + * (draw blue rect. with white border around it) + */ + /* Setup mode and fbbase, xres, fg, bg */ + out_be32((void *)0xc1ff0420, 0x8300); + out_be32((void *)0xc1ff0440, 0x0000); + out_be32((void *)0xc1ff0444, 0x0280); + out_be32((void *)0xc1ff0480, 0x7fff); + out_be32((void *)0xc1ff0484, 0x0000); + /* Reset clipping rectangle */ + out_be32((void *)0xc1ff0454, 0x0000); + out_be32((void *)0xc1ff0458, 0x0280); + out_be32((void *)0xc1ff045c, 0x0000); + out_be32((void *)0xc1ff0460, 0x01e0); + /* Draw white rect. */ + out_be32((void *)0xc1ff04a0, 0x09410000); + out_be32((void *)0xc1ff04a0, 0x00000000); + out_be32((void *)0xc1ff04a0, 0x01e00280); + udelay(2000); + /* Draw blue rect. */ + out_be32((void *)0xc1ff0480, 0x001f); + out_be32((void *)0xc1ff04a0, 0x09410000); + out_be32((void *)0xc1ff04a0, 0x00010001); + out_be32((void *)0xc1ff04a0, 0x01de027e); +#endif + /* Display enable, L0 layer */ + out_be32((void *)0xc1fd0100, 0x80010f00); + + /* TFT-LCD enable - PWM duty, lamp on */ + out_be32((void *)0xc4000024, 0x64); + out_be32((void *)0xc4000020, 0x701); + return 0; } @@ -463,3 +521,14 @@ void hw_watchdog_reset(void) val = gpio_read_out_bit(CFG_GPIO_WATCHDOG) == 0 ? 1 : 0; gpio_write_bit(CFG_GPIO_WATCHDOG, val); } + +#ifdef CONFIG_POST +/* + * Returns 1 if keys pressed to start the power-on long-running tests + * Called from board_init_f(). + */ +int post_hotkeys_pressed(void) +{ + return (ctrlc()); +} +#endif diff --git a/board/lwmon5/sdram.c b/board/lwmon5/sdram.c index 9a4a8ee..f906b85 100644 --- a/board/lwmon5/sdram.c +++ b/board/lwmon5/sdram.c @@ -54,7 +54,6 @@ #define MY_TLB_WORD2_I_ENABLE TLB_WORD2_I_ENABLE /* disable caching on SDRAM */ #endif -void program_tlb(u32 phys_addr, u32 virt_addr, u32 size, u32 tlb_word2_i_value); void dcbz_area(u32 start_address, u32 num_bytes); void dflush(void); @@ -474,7 +473,7 @@ static void program_ecc(u32 start_address, blank_string(strlen(str)); } else { /* ECC bit set method for cached memory */ -#if 1 /* test-only: will remove this define later, when ECC problems are solved! */ +#if 0 /* test-only: will remove this define later, when ECC problems are solved! */ /* * Some boards (like lwmon5) need to preserve the memory * content upon ECC generation (for the log-buffer). @@ -487,6 +486,11 @@ static void program_ecc(u32 start_address, current_address = start_address; while (current_address < end_address) { + /* + * TODO: Th following sequence doesn't work correctly. + * Just invalidating and flushing the cache doesn't + * seem to trigger the re-write of the memory. + */ ppcDcbi(current_address); ppcDcbf(current_address); current_address += CFG_CACHELINE_SIZE; @@ -515,19 +519,6 @@ static void program_ecc(u32 start_address, } #endif -static __inline__ u32 get_mcsr(void) -{ - u32 val; - - asm volatile("mfspr %0, 0x23c" : "=r" (val) :); - return val; -} - -static __inline__ void set_mcsr(u32 val) -{ - asm volatile("mtspr 0x23c, %0" : "=r" (val) :); -} - /************************************************************************* * * initdram -- 440EPx's DDR controller is a DENALI Core @@ -535,8 +526,6 @@ static __inline__ void set_mcsr(u32 val) ************************************************************************/ long int initdram (int board_type) { - u32 val; - #if 0 /* test-only: will remove this define later, when ECC problems are solved! */ /* CL=3 */ mtsdram(DDR0_02, 0x00000000); @@ -641,14 +630,6 @@ long int initdram (int board_type) * Perform data eye search if requested. */ denali_core_search_data_eye(CFG_DDR_CACHED_ADDR, CFG_MBYTES_SDRAM << 20); - - /* - * Clear possible errors resulting from data-eye-search. - * If not done, then we could get an interrupt later on when - * exceptions are enabled. - */ - val = get_mcsr(); - set_mcsr(val); #endif #ifdef CONFIG_DDR_ECC @@ -658,5 +639,12 @@ long int initdram (int board_type) program_ecc(CFG_DDR_CACHED_ADDR, CFG_MBYTES_SDRAM << 20, 0); #endif + /* + * Clear possible errors resulting from data-eye-search. + * If not done, then we could get an interrupt later on when + * exceptions are enabled. + */ + set_mcsr(get_mcsr()); + return (CFG_MBYTES_SDRAM << 20); } |