From: Heiko Schocher hs@denx.de
s_init has the same outline for all the AM33xx based board. So making it generic. This also helps in addition of new Soc with minimal changes.
Signed-off-by: Lokesh Vutla lokeshvutla@ti.com Signed-off-by: Heiko Schocher hs@denx.de Signed-off-by: Tom Rini trini@ti.com --- arch/arm/cpu/armv7/am33xx/board.c | 62 +++++++++++++++-- arch/arm/cpu/armv7/am33xx/clock_ti814x.c | 6 ++ arch/arm/include/asm/arch-am33xx/clocks_am33xx.h | 6 +- arch/arm/include/asm/arch-am33xx/sys_proto.h | 8 ++- board/isee/igep0033/board.c | 50 +++----------- board/phytec/pcm051/board.c | 48 +++---------- board/ti/am335x/board.c | 80 ++++------------------ board/ti/am335x/mux.c | 19 +++++ board/ti/ti814x/evm.c | 67 +++--------------- 9 files changed, 128 insertions(+), 218 deletions(-)
diff --git a/arch/arm/cpu/armv7/am33xx/board.c b/arch/arm/cpu/armv7/am33xx/board.c index 64a3af7..2ea3d69 100644 --- a/arch/arm/cpu/armv7/am33xx/board.c +++ b/arch/arm/cpu/armv7/am33xx/board.c @@ -137,7 +137,7 @@ int arch_misc_init(void) }
#if defined(CONFIG_SPL_BUILD) || defined(CONFIG_NOR_BOOT) -void rtc32k_enable(void) +static void rtc32k_enable(void) { struct rtc_regs *rtc = (struct rtc_regs *)RTC_BASE;
@@ -153,11 +153,7 @@ void rtc32k_enable(void) writel((1 << 3) | (1 << 6), &rtc->osc); }
-#define UART_RESET (0x1 << 1) -#define UART_CLK_RUNNING_MASK 0x1 -#define UART_SMART_IDLE_EN (0x1 << 0x3) - -void uart_soft_reset(void) +static void uart_soft_reset(void) { struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE; u32 regval; @@ -174,4 +170,58 @@ void uart_soft_reset(void) regval |= UART_SMART_IDLE_EN; writel(regval, &uart_base->uartsyscfg); } + +static void watchdog_disable(void) +{ + struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE; + + writel(0xAAAA, &wdtimer->wdtwspr); + while (readl(&wdtimer->wdtwwps) != 0x0) + ; + writel(0x5555, &wdtimer->wdtwspr); + while (readl(&wdtimer->wdtwwps) != 0x0) + ; +} #endif + +void s_init(void) +{ + /* + * 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 + enable_norboot_pin_mux(); +#endif + /* + * 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 +#if defined(CONFIG_SPL_BUILD) || defined(CONFIG_NOR_BOOT) + watchdog_disable(); + timer_init(); + set_uart_mux_conf(); + setup_clocks_for_console(); + uart_soft_reset(); +#endif +#ifdef CONFIG_NOR_BOOT + gd->baudrate = CONFIG_BAUDRATE; + serial_init(); + gd->have_console = 1; +#else + gd = &gdata; + preloader_console_init(); +#endif +#if defined(CONFIG_SPL_BUILD) || defined(CONFIG_NOR_BOOT) + prcm_init(); + set_mux_conf_regs(); + /* Enable RTC32K clock */ + rtc32k_enable(); + sdram_init(); +#endif +} diff --git a/arch/arm/cpu/armv7/am33xx/clock_ti814x.c b/arch/arm/cpu/armv7/am33xx/clock_ti814x.c index 965e875..93c7f7b 100644 --- a/arch/arm/cpu/armv7/am33xx/clock_ti814x.c +++ b/arch/arm/cpu/armv7/am33xx/clock_ti814x.c @@ -277,6 +277,12 @@ static void enable_per_clocks(void) writel(PRCM_MOD_EN, &cmalwon->ethernet1clkctrl); while ((readl(&cmalwon->ethernet1clkctrl) & ENET_CLKCTRL_CMPL) != 0) ; + + /* RTC clocks */ + writel(PRCM_MOD_EN, &cmalwon->rtcclkstctrl); + writel(PRCM_MOD_EN, &cmalwon->rtcclkctrl); + while (readl(&cmalwon->rtcclkctrl) != PRCM_MOD_EN) + ; }
/* diff --git a/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h b/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h index 80e1899..140379f 100644 --- a/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h +++ b/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h @@ -16,8 +16,10 @@ #define CONFIG_SYS_MPUCLK 550 #endif
-extern void pll_init(void); -extern void enable_emif_clocks(void); +#define UART_RESET (0x1 << 1) +#define UART_CLK_RUNNING_MASK 0x1 +#define UART_SMART_IDLE_EN (0x1 << 0x3) + extern void enable_dmm_clocks(void);
#endif /* endif _CLOCKS_AM33XX_H_ */ diff --git a/arch/arm/include/asm/arch-am33xx/sys_proto.h b/arch/arm/include/asm/arch-am33xx/sys_proto.h index dbcede0..c6070a3 100644 --- a/arch/arm/include/asm/arch-am33xx/sys_proto.h +++ b/arch/arm/include/asm/arch-am33xx/sys_proto.h @@ -35,7 +35,11 @@ void enable_gpmc_cs_config(const u32 *gpmc_config, struct gpmc_cs *cs, u32 base, u32 size); void omap_nand_switch_ecc(uint32_t, uint32_t);
-void rtc32k_enable(void); -void uart_soft_reset(void); +void set_uart_mux_conf(void); +void set_mux_conf_regs(void); +void sdram_init(void); u32 wait_on_value(u32, u32, void *, u32); +#ifdef CONFIG_NOR_BOOT +void enable_norboot_pin_mux(void); +#endif #endif diff --git a/board/isee/igep0033/board.c b/board/isee/igep0033/board.c index a065a74..f71aaa0 100644 --- a/board/isee/igep0033/board.c +++ b/board/isee/igep0033/board.c @@ -27,8 +27,6 @@
DECLARE_GLOBAL_DATA_PTR;
-static struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE; - /* MII mode defines */ #define RMII_MODE_ENABLE 0x4D
@@ -76,54 +74,22 @@ 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) { - /* - * 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 - */ - writel(0xAAAA, &wdtimer->wdtwspr); - while (readl(&wdtimer->wdtwwps) != 0x0) - ; - writel(0x5555, &wdtimer->wdtwspr); - while (readl(&wdtimer->wdtwwps) != 0x0) - ; - -#ifdef CONFIG_SPL_BUILD - setup_clocks_for_console(); - enable_uart0_pin_mux(); +}
- uart_soft_reset(); - gd = &gdata; - - preloader_console_init(); - - prcm_init(); - - /* Enable RTC32K clock */ - rtc32k_enable(); - - /* Configure board pin mux */ +void set_mux_conf_regs(void) +{ enable_board_pin_mux(); +}
+void sdram_init(void) +{ config_ddr(303, K4B2G1646EBIH9_IOCTRL_VALUE, &ddr3_data, &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0); -#endif } +#endif
/* * Basic board specific setup. Pinmux has been handled already. diff --git a/board/phytec/pcm051/board.c b/board/phytec/pcm051/board.c index 17a98ff..f3bad76 100644 --- a/board/phytec/pcm051/board.c +++ b/board/phytec/pcm051/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 0xA @@ -85,57 +83,27 @@ static struct emif_regs ddr3_emif_reg_data = { .emif_ddr_phy_ctlr_1 = MT41J256M8HX15E_EMIF_READ_LATENCY | PHY_EN_DYN_PWRDN, }; -#endif
-/* - * early system init of muxing and clocks. - */ -void s_init(void) +void set_uart_mux_conf(void) { - /* - * 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 - */ - writel(0xAAAA, &wdtimer->wdtwspr); - while (readl(&wdtimer->wdtwwps) != 0x0) - ; - writel(0x5555, &wdtimer->wdtwspr); - while (readl(&wdtimer->wdtwwps) != 0x0) - ; - -#ifdef CONFIG_SPL_BUILD - /* Setup the PLLs and the clocks for the peripherals */ - pll_init(); - - /* Enable RTC32K clock */ - rtc32k_enable(); - enable_uart0_pin_mux(); - uart_soft_reset(); - - gd = &gdata; - - preloader_console_init(); +}
+void set_mux_conf_regs(void) +{ /* Initalize the board header */ enable_i2c0_pin_mux(); i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
enable_board_pin_mux(); +}
+void sdram_init(void) +{ config_ddr(DDR_CLK_MHZ, MT41J256M8HX15E_IOCTRL_VALUE, &ddr3_data, &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0); -#endif } +#endif
/* * Basic board specific setup. Pinmux has been handled already. 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.