diff options
Diffstat (limited to 'arch/arm/cpu/armv7/exynos')
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/Kconfig | 7 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/clock.c | 19 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/clock_init_exynos5.c | 2 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c | 29 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/pinmux.c | 2 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/power.c | 27 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/spl_boot.c | 10 |
7 files changed, 82 insertions, 14 deletions
diff --git a/arch/arm/cpu/armv7/exynos/Kconfig b/arch/arm/cpu/armv7/exynos/Kconfig index e9a102c..f3eadb4 100644 --- a/arch/arm/cpu/armv7/exynos/Kconfig +++ b/arch/arm/cpu/armv7/exynos/Kconfig @@ -46,11 +46,16 @@ config TARGET_SMDK5420 select SUPPORT_SPL select OF_CONTROL if !SPL_BUILD -config TARGET_PEACH_PIT +config TARGET_PEACH_PI bool "Peach Pi board" select SUPPORT_SPL select OF_CONTROL if !SPL_BUILD +config TARGET_PEACH_PIT + bool "Peach Pit board" + select SUPPORT_SPL + select OF_CONTROL if !SPL_BUILD + endchoice config SYS_SOC diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c index c0c95fb..8fab135 100644 --- a/arch/arm/cpu/armv7/exynos/clock.c +++ b/arch/arm/cpu/armv7/exynos/clock.c @@ -118,7 +118,8 @@ static int exynos_get_pll_clk(int pllreg, unsigned int r, unsigned int k) div = PLL_DIV_1024; else if (proid_is_exynos4412()) div = PLL_DIV_65535; - else if (proid_is_exynos5250() || proid_is_exynos5420()) + else if (proid_is_exynos5250() || proid_is_exynos5420() + || proid_is_exynos5800()) div = PLL_DIV_65536; else return 0; @@ -1581,7 +1582,7 @@ static unsigned long exynos4_get_i2c_clk(void) unsigned long get_pll_clk(int pllreg) { if (cpu_is_exynos5()) { - if (proid_is_exynos5420()) + if (proid_is_exynos5420() || proid_is_exynos5800()) return exynos5420_get_pll_clk(pllreg); return exynos5_get_pll_clk(pllreg); } else { @@ -1617,7 +1618,7 @@ unsigned long get_i2c_clk(void) unsigned long get_pwm_clk(void) { if (cpu_is_exynos5()) { - if (proid_is_exynos5420()) + if (proid_is_exynos5420() || proid_is_exynos5800()) return exynos5420_get_pwm_clk(); return clock_get_periph_rate(PERIPH_ID_PWM0); } else { @@ -1630,7 +1631,7 @@ unsigned long get_pwm_clk(void) unsigned long get_uart_clk(int dev_index) { if (cpu_is_exynos5()) { - if (proid_is_exynos5420()) + if (proid_is_exynos5420() || proid_is_exynos5800()) return exynos5420_get_uart_clk(dev_index); return exynos5_get_uart_clk(dev_index); } else { @@ -1643,7 +1644,7 @@ unsigned long get_uart_clk(int dev_index) unsigned long get_mmc_clk(int dev_index) { if (cpu_is_exynos5()) { - if (proid_is_exynos5420()) + if (proid_is_exynos5420() || proid_is_exynos5800()) return exynos5420_get_mmc_clk(dev_index); return exynos5_get_mmc_clk(dev_index); } else { @@ -1654,7 +1655,7 @@ unsigned long get_mmc_clk(int dev_index) void set_mmc_clk(int dev_index, unsigned int div) { if (cpu_is_exynos5()) { - if (proid_is_exynos5420()) + if (proid_is_exynos5420() || proid_is_exynos5800()) exynos5420_set_mmc_clk(dev_index, div); else exynos5_set_mmc_clk(dev_index, div); @@ -1668,7 +1669,7 @@ unsigned long get_lcd_clk(void) if (cpu_is_exynos4()) return exynos4_get_lcd_clk(); else { - if (proid_is_exynos5420()) + if (proid_is_exynos5420() || proid_is_exynos5800()) return exynos5420_get_lcd_clk(); else return exynos5_get_lcd_clk(); @@ -1682,7 +1683,7 @@ void set_lcd_clk(void) else { if (proid_is_exynos5250()) exynos5_set_lcd_clk(); - else if (proid_is_exynos5420()) + else if (proid_is_exynos5420() || proid_is_exynos5800()) exynos5420_set_lcd_clk(); } } @@ -1696,7 +1697,7 @@ void set_mipi_clk(void) int set_spi_clk(int periph_id, unsigned int rate) { if (cpu_is_exynos5()) { - if (proid_is_exynos5420()) + if (proid_is_exynos5420() || proid_is_exynos5800()) return exynos5420_set_spi_clk(periph_id, rate); return exynos5_set_spi_clk(periph_id, rate); } else { diff --git a/arch/arm/cpu/armv7/exynos/clock_init_exynos5.c b/arch/arm/cpu/armv7/exynos/clock_init_exynos5.c index b6a9bc1..0aff3d0 100644 --- a/arch/arm/cpu/armv7/exynos/clock_init_exynos5.c +++ b/arch/arm/cpu/armv7/exynos/clock_init_exynos5.c @@ -971,7 +971,7 @@ static void exynos5420_system_clock_init(void) void system_clock_init(void) { - if (proid_is_exynos5420()) + if (proid_is_exynos5420() || proid_is_exynos5800()) exynos5420_system_clock_init(); else exynos5250_system_clock_init(); diff --git a/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c b/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c index b86dd2d..7c0b12a 100644 --- a/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c +++ b/arch/arm/cpu/armv7/exynos/dmc_init_ddr3.c @@ -464,6 +464,16 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, int reset) + DMC_OFFSET); pmu = (struct exynos5_power *)EXYNOS5420_POWER_BASE; + if (CONFIG_NR_DRAM_BANKS > 4) { + /* Need both controllers. */ + mem->memcontrol |= DMC_MEMCONTROL_NUM_CHIP_2; + mem->chips_per_channel = 2; + mem->chips_to_configure = 2; + } else { + /* 2GB requires a single controller */ + mem->memcontrol |= DMC_MEMCONTROL_NUM_CHIP_1; + } + /* Enable PAUSE for DREX */ setbits_le32(&clk->pause, ENABLE_BIT); @@ -832,6 +842,25 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, int reset) setbits_le32(&drex0->cgcontrol, DMC_INTERNAL_CG); setbits_le32(&drex1->cgcontrol, DMC_INTERNAL_CG); + /* + * As per Exynos5800 UM ver 0.00 section 17.13.2.1 + * CONCONTROL register bit 3 [update_mode], Exynos5800 does not + * support the PHY initiated update. And it is recommended to set + * this field to 1'b1 during initialization + * + * When we apply PHY-initiated mode, DLL lock value is determined + * once at DMC init time and not updated later when we change the MIF + * voltage based on ASV group in kernel. Applying MC-initiated mode + * makes sure that DLL tracing is ON so that silicon is able to + * compensate the voltage variation. + */ + val = readl(&drex0->concontrol); + val |= CONCONTROL_UPDATE_MODE; + writel(val , &drex0->concontrol); + val = readl(&drex1->concontrol); + val |= CONCONTROL_UPDATE_MODE; + writel(val , &drex1->concontrol); + return 0; } #endif diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c index 3d95dc3..94d0297 100644 --- a/arch/arm/cpu/armv7/exynos/pinmux.c +++ b/arch/arm/cpu/armv7/exynos/pinmux.c @@ -837,7 +837,7 @@ static int exynos4x12_pinmux_config(int peripheral, int flags) int exynos_pinmux_config(int peripheral, int flags) { if (cpu_is_exynos5()) { - if (proid_is_exynos5420()) + if (proid_is_exynos5420() || proid_is_exynos5800()) return exynos5420_pinmux_config(peripheral, flags); else if (proid_is_exynos5250()) return exynos5_pinmux_config(peripheral, flags); diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c index e1ab3d6..1520d64 100644 --- a/arch/arm/cpu/armv7/exynos/power.c +++ b/arch/arm/cpu/armv7/exynos/power.c @@ -53,10 +53,37 @@ void exynos5_set_usbhost_phy_ctrl(unsigned int enable) } } +void exynos4412_set_usbhost_phy_ctrl(unsigned int enable) +{ + struct exynos4412_power *power = + (struct exynos4412_power *)samsung_get_base_power(); + + if (enable) { + /* Enabling USBHOST_PHY */ + setbits_le32(&power->usbhost_phy_control, + POWER_USB_HOST_PHY_CTRL_EN); + setbits_le32(&power->hsic1_phy_control, + POWER_USB_HOST_PHY_CTRL_EN); + setbits_le32(&power->hsic2_phy_control, + POWER_USB_HOST_PHY_CTRL_EN); + } else { + /* Disabling USBHOST_PHY */ + clrbits_le32(&power->usbhost_phy_control, + POWER_USB_HOST_PHY_CTRL_EN); + clrbits_le32(&power->hsic1_phy_control, + POWER_USB_HOST_PHY_CTRL_EN); + clrbits_le32(&power->hsic2_phy_control, + POWER_USB_HOST_PHY_CTRL_EN); + } +} + void set_usbhost_phy_ctrl(unsigned int enable) { if (cpu_is_exynos5()) exynos5_set_usbhost_phy_ctrl(enable); + else if (cpu_is_exynos4()) + if (proid_is_exynos4412()) + exynos4412_set_usbhost_phy_ctrl(enable); } static void exynos5_set_usbdrd_phy_ctrl(unsigned int enable) diff --git a/arch/arm/cpu/armv7/exynos/spl_boot.c b/arch/arm/cpu/armv7/exynos/spl_boot.c index ae3ad01..bc237c9 100644 --- a/arch/arm/cpu/armv7/exynos/spl_boot.c +++ b/arch/arm/cpu/armv7/exynos/spl_boot.c @@ -195,10 +195,16 @@ void copy_uboot_to_ram(void) void (*end_bootop_from_emmc)(void); #endif #ifdef CONFIG_USB_BOOTING - u32 (*usb_copy)(void); int is_cr_z_set; unsigned int sec_boot_check; + /* + * Note that older hardware (before Exynos5800) does not expect any + * arguments, but it does not hurt to pass them, so a common function + * prototype is used. + */ + u32 (*usb_copy)(u32 num_of_block, u32 *dst); + /* Read iRAM location to check for secondary USB boot mode */ sec_boot_check = readl(EXYNOS_IRAM_SECONDARY_BASE); if (sec_boot_check == EXYNOS_USB_SECONDARY_BOOT) @@ -240,7 +246,7 @@ void copy_uboot_to_ram(void) */ is_cr_z_set = config_branch_prediction(0); usb_copy = get_irom_func(USB_INDEX); - usb_copy(); + usb_copy(0, (u32 *)CONFIG_SYS_TEXT_BASE); config_branch_prediction(is_cr_z_set); break; #endif |