diff options
Diffstat (limited to 'board/ti')
| -rw-r--r-- | board/ti/am335x/board.c | 80 | ||||
| -rw-r--r-- | board/ti/am335x/mux.c | 19 | ||||
| -rw-r--r-- | board/ti/ti814x/evm.c | 67 |
3 files changed, 40 insertions, 126 deletions
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c index a6edc2d..eac9cc9 100644 --- a/board/ti/am335x/board.c +++ b/board/ti/am335x/board.c @@ -30,8 +30,6 @@ DECLARE_GLOBAL_DATA_PTR; -static struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE; - /* MII mode defines */ #define MII_MODE_ENABLE 0x0 #define RGMII_MODE_ENABLE 0x3A @@ -269,56 +267,8 @@ const struct dpll_params *get_dpll_ddr_params(void) return &dpll_ddr; } -#endif - -/* - * early system init of muxing and clocks. - */ -void s_init(void) +void set_uart_mux_conf(void) { - __maybe_unused struct am335x_baseboard_id header; - - /* - * The ROM will only have set up sufficient pinmux to allow for the - * first 4KiB NOR to be read, we must finish doing what we know of - * the NOR mux in this space in order to continue. - */ -#ifdef CONFIG_NOR_BOOT - asm("stmfd sp!, {r2 - r4}"); - asm("movw r4, #0x8A4"); - asm("movw r3, #0x44E1"); - asm("orr r4, r4, r3, lsl #16"); - asm("mov r2, #9"); - asm("mov r3, #8"); - asm("gpmc_mux: str r2, [r4], #4"); - asm("subs r3, r3, #1"); - asm("bne gpmc_mux"); - asm("ldmfd sp!, {r2 - r4}"); -#endif - -#ifdef CONFIG_SPL_BUILD - /* - * Save the boot parameters passed from romcode. - * We cannot delay the saving further than this, - * to prevent overwrites. - */ - save_omap_boot_params(); -#endif - - /* WDT1 is already running when the bootloader gets control - * Disable it to avoid "random" resets - */ - writel(0xAAAA, &wdtimer->wdtwspr); - while (readl(&wdtimer->wdtwwps) != 0x0) - ; - writel(0x5555, &wdtimer->wdtwspr); - while (readl(&wdtimer->wdtwwps) != 0x0) - ; - -#if defined(CONFIG_SPL_BUILD) || defined(CONFIG_NOR_BOOT) - /* Setup the PLLs and the clocks for the peripherals */ - setup_clocks_for_console(); - #ifdef CONFIG_SERIAL1 enable_uart0_pin_mux(); #endif /* CONFIG_SERIAL1 */ @@ -337,29 +287,25 @@ void s_init(void) #ifdef CONFIG_SERIAL6 enable_uart5_pin_mux(); #endif /* CONFIG_SERIAL6 */ +} - uart_soft_reset(); +void set_mux_conf_regs(void) +{ + __maybe_unused struct am335x_baseboard_id header; -#if defined(CONFIG_NOR_BOOT) - /* We want our console now. */ - gd->baudrate = CONFIG_BAUDRATE; - serial_init(); - gd->have_console = 1; -#else - gd = &gdata; + if (read_eeprom(&header) < 0) + puts("Could not get board ID.\n"); - preloader_console_init(); -#endif + enable_board_pin_mux(&header); +} - prcm_init(); +void sdram_init(void) +{ + __maybe_unused struct am335x_baseboard_id header; if (read_eeprom(&header) < 0) puts("Could not get board ID.\n"); - /* Enable RTC32K clock */ - rtc32k_enable(); - - enable_board_pin_mux(&header); if (board_is_evm_sk(&header)) { /* * EVM SK 1.2A and later use gpio0_7 to enable DDR3. @@ -383,8 +329,8 @@ void s_init(void) else config_ddr(266, MT47H128M16RT25E_IOCTRL_VALUE, &ddr2_data, &ddr2_cmd_ctrl_data, &ddr2_emif_reg_data, 0); -#endif } +#endif /* * Basic board specific setup. Pinmux has been handled already. diff --git a/board/ti/am335x/mux.c b/board/ti/am335x/mux.c index 5b7ed63..b2bfda5 100644 --- a/board/ti/am335x/mux.c +++ b/board/ti/am335x/mux.c @@ -239,6 +239,25 @@ static struct module_pin_mux bone_norcape_pin_mux[] = { }; #endif +#if defined(CONFIG_NOR_BOOT) +static struct module_pin_mux norboot_pin_mux[] = { + {OFFSET(lcd_data1), MODE(1) | PULLUDDIS}, + {OFFSET(lcd_data2), MODE(1) | PULLUDDIS}, + {OFFSET(lcd_data3), MODE(1) | PULLUDDIS}, + {OFFSET(lcd_data4), MODE(1) | PULLUDDIS}, + {OFFSET(lcd_data5), MODE(1) | PULLUDDIS}, + {OFFSET(lcd_data6), MODE(1) | PULLUDDIS}, + {OFFSET(lcd_data7), MODE(1) | PULLUDDIS}, + {OFFSET(lcd_data8), MODE(1) | PULLUDDIS}, + {OFFSET(lcd_data9), MODE(1) | PULLUDDIS}, + {-1}, +}; + +void enable_norboot_pin_mux(void) +{ + configure_module_pin_mux(norboot_pin_mux); +} +#endif void enable_uart0_pin_mux(void) { diff --git a/board/ti/ti814x/evm.c b/board/ti/ti814x/evm.c index bd708bb..31ddc68 100644 --- a/board/ti/ti814x/evm.c +++ b/board/ti/ti814x/evm.c @@ -27,30 +27,10 @@ DECLARE_GLOBAL_DATA_PTR; -#ifdef CONFIG_SPL_BUILD -static struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE; -#endif - static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; /* UART Defines */ #ifdef CONFIG_SPL_BUILD -static void uart_enable(void) -{ - /* UART softreset */ - uart_soft_reset(); -} - -static void wdt_disable(void) -{ - writel(0xAAAA, &wdtimer->wdtwspr); - while (readl(&wdtimer->wdtwwps) != 0x0) - ; - writel(0x5555, &wdtimer->wdtwspr); - while (readl(&wdtimer->wdtwwps) != 0x0) - ; -} - static const struct cmd_control evm_ddr2_cctrl_data = { .cmd0csratio = 0x80, .cmd0dldiff = 0x04, @@ -100,63 +80,32 @@ static const struct ddr_data evm_ddr2_data = { .datauserank0delay = 1, .datadldiff0 = 0x4, }; -#endif -/* - * early system init of muxing and clocks. - */ -void s_init(void) +void set_uart_mux_conf(void) { -#ifdef CONFIG_SPL_BUILD - /* - * Save the boot parameters passed from romcode. - * We cannot delay the saving further than this, - * to prevent overwrites. - */ -#ifdef CONFIG_SPL_BUILD - save_omap_boot_params(); -#endif - - /* WDT1 is already running when the bootloader gets control - * Disable it to avoid "random" resets - */ - wdt_disable(); - - /* Enable timer */ - timer_init(); - - setup_clocks_for_console(); - /* Set UART pins */ enable_uart0_pin_mux(); +} +void set_mux_conf_regs(void) +{ /* Set MMC pins */ enable_mmc1_pin_mux(); /* Set Ethernet pins */ enable_enet_pin_mux(); +} - /* Enable UART */ - uart_enable(); - - gd = &gdata; - - preloader_console_init(); - - /* Setup the PLLs and the clocks for the peripherals */ - prcm_init(); - - /* Enable RTC32K clock */ - rtc32k_enable(); - +void sdram_init(void) +{ config_dmm(&evm_lisa_map_regs); config_ddr(0, 0, &evm_ddr2_data, &evm_ddr2_cctrl_data, &evm_ddr2_emif0_regs, 0); config_ddr(0, 0, &evm_ddr2_data, &evm_ddr2_cctrl_data, &evm_ddr2_emif1_regs, 1); -#endif } +#endif /* * Basic board specific setup. Pinmux has been handled already. |