diff options
author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-10-02 06:10:36 (GMT) |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-10-02 06:10:36 (GMT) |
commit | 5c8d5b6fc15fc2c52d74c266d9fe6eb5f75cbcb4 (patch) | |
tree | 10c4a86397d7ac6ae9a6bcc0e9438dd620246404 /arch | |
parent | 12eba1b49380988fd87cc0b3af44014cca8b71c4 (diff) | |
parent | 827512fb1154c05c6eb1e2259e936df55c98a535 (diff) | |
download | u-boot-fsl-qoriq-5c8d5b6fc15fc2c52d74c266d9fe6eb5f75cbcb4.tar.xz |
Merge branch 'u-boot-ti/master' into 'u-boot-arm/master'
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/cpu/armv7/am33xx/board.c | 11 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/am33xx/clock_am33xx.c | 8 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/am33xx/sys_info.c | 57 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/omap-common/boot-common.c | 3 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/omap-common/clocks-common.c | 7 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/omap5/prcm-regs.c | 12 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-am33xx/clocks_am33xx.h | 12 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-am33xx/cpu.h | 12 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-am33xx/sys_proto.h | 4 | ||||
-rw-r--r-- | arch/arm/include/asm/omap_common.h | 6 |
10 files changed, 104 insertions, 28 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/board.c b/arch/arm/cpu/armv7/am33xx/board.c index 2ea3d69..a31bf40 100644 --- a/arch/arm/cpu/armv7/am33xx/board.c +++ b/arch/arm/cpu/armv7/am33xx/board.c @@ -27,6 +27,7 @@ #include <miiphy.h> #include <cpsw.h> #include <asm/errno.h> +#include <linux/compiler.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> #include <linux/usb/musb.h> @@ -137,6 +138,16 @@ int arch_misc_init(void) } #if defined(CONFIG_SPL_BUILD) || defined(CONFIG_NOR_BOOT) +/* + * This function is the place to do per-board things such as ramp up the + * MPU clock frequency. + */ +__weak void am33xx_spl_board_init(void) +{ + do_setup_dpll(&dpll_core_regs, &dpll_core_opp100); + do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100); +} + static void rtc32k_enable(void) { struct rtc_regs *rtc = (struct rtc_regs *)RTC_BASE; diff --git a/arch/arm/cpu/armv7/am33xx/clock_am33xx.c b/arch/arm/cpu/armv7/am33xx/clock_am33xx.c index e5f287b..fabe259 100644 --- a/arch/arm/cpu/armv7/am33xx/clock_am33xx.c +++ b/arch/arm/cpu/armv7/am33xx/clock_am33xx.c @@ -51,10 +51,14 @@ const struct dpll_regs dpll_ddr_regs = { .cm_div_m2_dpll = CM_WKUP + 0xA0, }; -const struct dpll_params dpll_mpu = { +struct dpll_params dpll_mpu_opp100 = { CONFIG_SYS_MPUCLK, OSC-1, 1, -1, -1, -1, -1}; -const struct dpll_params dpll_core = { +const struct dpll_params dpll_core_opp100 = { 1000, OSC-1, -1, -1, 10, 8, 4}; +const struct dpll_params dpll_mpu = { + MPUPLL_M_300, OSC-1, 1, -1, -1, -1, -1}; +const struct dpll_params dpll_core = { + 50, OSC-1, -1, -1, 1, 1, 1}; const struct dpll_params dpll_per = { 960, OSC-1, 5, -1, -1, -1, -1}; diff --git a/arch/arm/cpu/armv7/am33xx/sys_info.c b/arch/arm/cpu/armv7/am33xx/sys_info.c index 63afaaa..50eb598 100644 --- a/arch/arm/cpu/armv7/am33xx/sys_info.c +++ b/arch/arm/cpu/armv7/am33xx/sys_info.c @@ -17,6 +17,7 @@ #include <asm/arch/sys_proto.h> #include <asm/arch/cpu.h> #include <asm/arch/clock.h> +#include <power/tps65910.h> struct ctrl_stat *cstat = (struct ctrl_stat *)CTRL_BASE; @@ -119,3 +120,59 @@ int print_cpuinfo(void) return 0; } #endif /* CONFIG_DISPLAY_CPUINFO */ + +#ifdef CONFIG_AM33XX +int am335x_get_efuse_mpu_max_freq(struct ctrl_dev *cdev) +{ + int sil_rev; + + sil_rev = readl(&cdev->deviceid) >> 28; + + if (sil_rev == 1) + /* PG 2.0, efuse may not be set. */ + return MPUPLL_M_800; + else if (sil_rev >= 2) { + /* Check what the efuse says our max speed is. */ + int efuse_arm_mpu_max_freq; + efuse_arm_mpu_max_freq = readl(&cdev->efuse_sma); + switch ((efuse_arm_mpu_max_freq & DEVICE_ID_MASK)) { + case AM335X_ZCZ_1000: + return MPUPLL_M_1000; + case AM335X_ZCZ_800: + return MPUPLL_M_800; + case AM335X_ZCZ_720: + return MPUPLL_M_720; + case AM335X_ZCZ_600: + case AM335X_ZCE_600: + return MPUPLL_M_600; + case AM335X_ZCZ_300: + case AM335X_ZCE_300: + return MPUPLL_M_300; + } + } + + /* PG 1.0 or otherwise unknown, use the PG1.0 max */ + return MPUPLL_M_720; +} + +int am335x_get_tps65910_mpu_vdd(int sil_rev, int frequency) +{ + /* For PG2.1 and later, we have one set of values. */ + if (sil_rev >= 2) { + switch (frequency) { + case MPUPLL_M_1000: + return TPS65910_OP_REG_SEL_1_3_2_5; + case MPUPLL_M_800: + return TPS65910_OP_REG_SEL_1_2_6; + case MPUPLL_M_720: + return TPS65910_OP_REG_SEL_1_2_0; + case MPUPLL_M_600: + case MPUPLL_M_300: + return TPS65910_OP_REG_SEL_1_1_3; + } + } + + /* Default to PG1.0/PG2.0 values. */ + return TPS65910_OP_REG_SEL_1_1_3; +} +#endif diff --git a/arch/arm/cpu/armv7/omap-common/boot-common.c b/arch/arm/cpu/armv7/omap-common/boot-common.c index 6b4772b..0ffa03a 100644 --- a/arch/arm/cpu/armv7/omap-common/boot-common.c +++ b/arch/arm/cpu/armv7/omap-common/boot-common.c @@ -76,6 +76,9 @@ void spl_board_init(void) #if defined(CONFIG_AM33XX) && defined(CONFIG_SPL_MUSB_NEW_SUPPORT) arch_misc_init(); #endif +#ifdef CONFIG_AM33XX + am33xx_spl_board_init(); +#endif } int board_mmc_init(bd_t *bis) diff --git a/arch/arm/cpu/armv7/omap-common/clocks-common.c b/arch/arm/cpu/armv7/omap-common/clocks-common.c index 7580594..ab0c568 100644 --- a/arch/arm/cpu/armv7/omap-common/clocks-common.c +++ b/arch/arm/cpu/armv7/omap-common/clocks-common.c @@ -589,13 +589,6 @@ void scale_vcores(struct vcores_data const *vcores) val = optimize_vcore_voltage(&vcores->iva); do_scale_vcore(vcores->iva.addr, val, vcores->iva.pmic); - - if (emif_sdram_type() == EMIF_SDRAM_TYPE_DDR3) { - /* Configure LDO SRAM "magic" bits */ - writel(2, (*prcm)->prm_sldo_core_setup); - writel(2, (*prcm)->prm_sldo_mpu_setup); - writel(2, (*prcm)->prm_sldo_mm_setup); - } } static inline void enable_clock_domain(u32 const clkctrl_reg, u32 enable_mode) diff --git a/arch/arm/cpu/armv7/omap5/prcm-regs.c b/arch/arm/cpu/armv7/omap5/prcm-regs.c index 579818d..5a3d52c 100644 --- a/arch/arm/cpu/armv7/omap5/prcm-regs.c +++ b/arch/arm/cpu/armv7/omap5/prcm-regs.c @@ -286,12 +286,6 @@ struct prcm_regs const omap5_es1_prcm = { .prm_vc_val_bypass = 0x4ae07ba0, .prm_vc_cfg_i2c_mode = 0x4ae07bb4, .prm_vc_cfg_i2c_clk = 0x4ae07bb8, - .prm_sldo_core_setup = 0x4ae07bc4, - .prm_sldo_core_ctrl = 0x4ae07bc8, - .prm_sldo_mpu_setup = 0x4ae07bcc, - .prm_sldo_mpu_ctrl = 0x4ae07bd0, - .prm_sldo_mm_setup = 0x4ae07bd4, - .prm_sldo_mm_ctrl = 0x4ae07bd8, /* SCRM stuff, used by some boards */ .scrm_auxclk0 = 0x4ae0a310, @@ -735,12 +729,6 @@ struct prcm_regs const omap5_es2_prcm = { .prm_vc_cfg_i2c_mode = 0x4ae07cb4, .prm_vc_cfg_i2c_clk = 0x4ae07cb8, - .prm_sldo_core_setup = 0x4ae07cc4, - .prm_sldo_core_ctrl = 0x4ae07cc8, - .prm_sldo_mpu_setup = 0x4ae07ccc, - .prm_sldo_mpu_ctrl = 0x4ae07cd0, - .prm_sldo_mm_setup = 0x4ae07cd4, - .prm_sldo_mm_ctrl = 0x4ae07cd8, .prm_abbldo_mpu_setup = 0x4ae07cdc, .prm_abbldo_mpu_ctrl = 0x4ae07ce0, diff --git a/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h b/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h index 140379f..02ed595 100644 --- a/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h +++ b/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h @@ -11,9 +11,17 @@ #ifndef _CLOCKS_AM33XX_H_ #define _CLOCKS_AM33XX_H_ +/* MAIN PLL Fdll supported frequencies */ +#define MPUPLL_M_1000 1000 +#define MPUPLL_M_800 800 +#define MPUPLL_M_720 720 +#define MPUPLL_M_600 600 +#define MPUPLL_M_550 550 +#define MPUPLL_M_300 300 + /* MAIN PLL Fdll = 550 MHz, by default */ #ifndef CONFIG_SYS_MPUCLK -#define CONFIG_SYS_MPUCLK 550 +#define CONFIG_SYS_MPUCLK MPUPLL_M_550 #endif #define UART_RESET (0x1 << 1) @@ -21,5 +29,7 @@ #define UART_SMART_IDLE_EN (0x1 << 0x3) extern void enable_dmm_clocks(void); +extern const struct dpll_params dpll_core_opp100; +extern struct dpll_params dpll_mpu_opp100; #endif /* endif _CLOCKS_AM33XX_H_ */ diff --git a/arch/arm/include/asm/arch-am33xx/cpu.h b/arch/arm/include/asm/arch-am33xx/cpu.h index 73e6db8..52fa128 100644 --- a/arch/arm/include/asm/arch-am33xx/cpu.h +++ b/arch/arm/include/asm/arch-am33xx/cpu.h @@ -38,6 +38,16 @@ #define AM335X 0xB944 #define TI81XX 0xB81E #define DEVICE_ID (CTRL_BASE + 0x0600) +#define DEVICE_ID_MASK 0x1FFF + +/* MPU max frequencies */ +#define AM335X_ZCZ_300 0x1FEF +#define AM335X_ZCZ_600 0x1FAF +#define AM335X_ZCZ_720 0x1F2F +#define AM335X_ZCZ_800 0x1E2F +#define AM335X_ZCZ_1000 0x1C2F +#define AM335X_ZCE_300 0x1FDF +#define AM335X_ZCE_600 0x1F9F /* This gives the status of the boot mode pins on the evm */ #define SYSBOOT_MASK (BIT(0) | BIT(1) | BIT(2)\ @@ -509,6 +519,8 @@ struct ctrl_dev { unsigned int macid1h; /* offset 0x3c */ unsigned int resv4[4]; unsigned int miisel; /* offset 0x50 */ + unsigned int resv5[106]; + unsigned int efuse_sma; /* offset 0x1FC */ }; /* gmii_sel register defines */ diff --git a/arch/arm/include/asm/arch-am33xx/sys_proto.h b/arch/arm/include/asm/arch-am33xx/sys_proto.h index c6070a3..87b7d36 100644 --- a/arch/arm/include/asm/arch-am33xx/sys_proto.h +++ b/arch/arm/include/asm/arch-am33xx/sys_proto.h @@ -10,6 +10,7 @@ #ifndef _SYS_PROTO_H_ #define _SYS_PROTO_H_ +#include <asm/arch/cpu.h> #define BOARD_REV_ID 0x0 @@ -42,4 +43,7 @@ u32 wait_on_value(u32, u32, void *, u32); #ifdef CONFIG_NOR_BOOT void enable_norboot_pin_mux(void); #endif +void am33xx_spl_board_init(void); +int am335x_get_efuse_mpu_max_freq(struct ctrl_dev *cdev); +int am335x_get_tps65910_mpu_vdd(int sil_rev, int frequency); #endif diff --git a/arch/arm/include/asm/omap_common.h b/arch/arm/include/asm/omap_common.h index 5e2f027..61fee9f 100644 --- a/arch/arm/include/asm/omap_common.h +++ b/arch/arm/include/asm/omap_common.h @@ -310,12 +310,6 @@ struct prcm_regs { u32 prm_vc_val_bypass; u32 prm_vc_cfg_i2c_mode; u32 prm_vc_cfg_i2c_clk; - u32 prm_sldo_core_setup; - u32 prm_sldo_core_ctrl; - u32 prm_sldo_mpu_setup; - u32 prm_sldo_mpu_ctrl; - u32 prm_sldo_mm_setup; - u32 prm_sldo_mm_ctrl; u32 prm_abbldo_mpu_setup; u32 prm_abbldo_mpu_ctrl; |