diff options
Diffstat (limited to 'arch/arm/mach-tegra/tegra210')
| -rw-r--r-- | arch/arm/mach-tegra/tegra210/Kconfig | 9 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/tegra210/clock.c | 21 |
2 files changed, 24 insertions, 6 deletions
diff --git a/arch/arm/mach-tegra/tegra210/Kconfig b/arch/arm/mach-tegra/tegra210/Kconfig index bd34db7..b07363a 100644 --- a/arch/arm/mach-tegra/tegra210/Kconfig +++ b/arch/arm/mach-tegra/tegra210/Kconfig @@ -18,6 +18,14 @@ config TARGET_P2371_0000 HDMI, USB micro-B port, Ethernet via USB3, USB3 host port, SATA, a GPIO expansion header, and an analog audio jack. +config TARGET_P2371_2180 + bool "NVIDIA Tegra210 P2371-2180 board" + help + P2371-2180 is a P2180 CPU board married to a P2597 I/O board. The + combination contains SoC, DRAM, eMMC, SD card slot, HDMI, USB + micro-B port, Ethernet via USB3, USB3 host port, SATA, PCIe, and + two GPIO expansion headers. + config TARGET_P2571 bool "NVIDIA Tegra210 P2571 base board" help @@ -30,6 +38,7 @@ config SYS_SOC source "board/nvidia/e2220-1170/Kconfig" source "board/nvidia/p2371-0000/Kconfig" +source "board/nvidia/p2371-2180/Kconfig" source "board/nvidia/p2571/Kconfig" endif diff --git a/arch/arm/mach-tegra/tegra210/clock.c b/arch/arm/mach-tegra/tegra210/clock.c index 830a33f..6d75d37 100644 --- a/arch/arm/mach-tegra/tegra210/clock.c +++ b/arch/arm/mach-tegra/tegra210/clock.c @@ -998,18 +998,27 @@ void clock_early_init(void) udelay(2); } +unsigned int clk_m_get_rate(unsigned parent_rate) +{ + struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE; + u32 value, div; + + value = readl(&clkrst->crc_spare_reg0); + div = ((value >> 2) & 0x3) + 1; + + return parent_rate / div; +} + void arch_timer_init(void) { struct sysctr_ctlr *sysctr = (struct sysctr_ctlr *)NV_PA_TSC_BASE; u32 freq, val; - freq = clock_get_rate(CLOCK_ID_OSC); - debug("%s: osc freq is %dHz [0x%08X]\n", __func__, freq, freq); + freq = clock_get_rate(CLOCK_ID_CLK_M); + debug("%s: clk_m freq is %dHz [0x%08X]\n", __func__, freq, freq); - /* ARM CNTFRQ */ -#ifndef CONFIG_ARM64 - asm("mcr p15, 0, %0, c14, c0, 0\n" : : "r" (freq)); -#endif + if (current_el() == 3) + asm("msr cntfrq_el0, %0\n" : : "r" (freq)); /* Only Tegra114+ has the System Counter regs */ debug("%s: setting CNTFID0 to 0x%08X\n", __func__, freq); |