diff options
Diffstat (limited to 'arch/arm/cpu/armv7/ls102xa/fdt.c')
| -rw-r--r-- | arch/arm/cpu/armv7/ls102xa/fdt.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/ls102xa/fdt.c b/arch/arm/cpu/armv7/ls102xa/fdt.c new file mode 100644 index 0000000000..4ce38086f4 --- /dev/null +++ b/arch/arm/cpu/armv7/ls102xa/fdt.c @@ -0,0 +1,136 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <libfdt.h> +#include <fdt_support.h> +#include <asm/io.h> +#include <asm/processor.h> +#include <asm/arch/clock.h> +#include <linux/ctype.h> +#ifdef CONFIG_FSL_ESDHC +#include <fsl_esdhc.h> +#endif +#include <tsec.h> + +DECLARE_GLOBAL_DATA_PTR; + +void ft_fixup_enet_phy_connect_type(void *fdt) +{ + struct eth_device *dev; + struct tsec_private *priv; + const char *enet_path, *phy_path; + char enet[16]; + char phy[16]; + int phy_node; + int i = 0; + int enet_id = 0; + uint32_t ph; + + while ((dev = eth_get_dev_by_index(i++)) != NULL) { + if (strstr(dev->name, "eTSEC1")) + enet_id = 0; + else if (strstr(dev->name, "eTSEC2")) + enet_id = 1; + else if (strstr(dev->name, "eTSEC3")) + enet_id = 2; + else + continue; + + priv = dev->priv; + if (priv->flags & TSEC_SGMII) + continue; + + sprintf(enet, "ethernet%d", enet_id); + enet_path = fdt_get_alias(fdt, enet); + if (!enet_path) + continue; + + sprintf(phy, "enet%d_rgmii_phy", enet_id); + phy_path = fdt_get_alias(fdt, phy); + if (!phy_path) + continue; + + phy_node = fdt_path_offset(fdt, phy_path); + if (phy_node < 0) + continue; + + ph = fdt_create_phandle(fdt, phy_node); + if (ph) + do_fixup_by_path_u32(fdt, enet_path, + "phy-handle", ph, 1); + + do_fixup_by_path(fdt, enet_path, "phy-connection-type", + phy_string_for_interface( + PHY_INTERFACE_MODE_RGMII_ID), + sizeof(phy_string_for_interface( + PHY_INTERFACE_MODE_RGMII_ID)), + 1); + } +} + +void ft_cpu_setup(void *blob, bd_t *bd) +{ + int off; + int val; + const char *sysclk_path; + + unsigned long busclk = get_bus_freq(0); + + fdt_fixup_ethernet(blob); + + off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4); + while (off != -FDT_ERR_NOTFOUND) { + val = gd->cpu_clk; + fdt_setprop(blob, off, "clock-frequency", &val, 4); + off = fdt_node_offset_by_prop_value(blob, off, + "device_type", "cpu", 4); + } + + do_fixup_by_prop_u32(blob, "device_type", "soc", + 4, "bus-frequency", busclk / 2, 1); + + ft_fixup_enet_phy_connect_type(blob); + +#ifdef CONFIG_SYS_NS16550 + do_fixup_by_compat_u32(blob, "fsl,16550-FIFO64", + "clock-frequency", CONFIG_SYS_NS16550_CLK, 1); +#endif + + sysclk_path = fdt_get_alias(blob, "sysclk"); + if (sysclk_path) + do_fixup_by_path_u32(blob, sysclk_path, "clock-frequency", + CONFIG_SYS_CLK_FREQ, 1); + do_fixup_by_compat_u32(blob, "fsl,qoriq-sysclk-2.0", + "clock-frequency", CONFIG_SYS_CLK_FREQ, 1); + +#if defined(CONFIG_FSL_ESDHC) + fdt_fixup_esdhc(blob, bd); +#endif + + /* + * platform bus clock = system bus clock/2 + * Here busclk = system bus clock + * We are using the platform bus clock as 1588 Timer reference + * clock source select + */ + do_fixup_by_compat_u32(blob, "fsl, gianfar-ptp-timer", + "timer-frequency", busclk / 2, 1); + + /* + * clock-freq should change to clock-frequency and + * flexcan-v1.0 should change to p1010-flexcan respectively + * in the future. + */ + do_fixup_by_compat_u32(blob, "fsl, flexcan-v1.0", + "clock_freq", busclk / 2, 1); + + do_fixup_by_compat_u32(blob, "fsl, flexcan-v1.0", + "clock-frequency", busclk / 2, 1); + + do_fixup_by_compat_u32(blob, "fsl, ls1021a-flexcan", + "clock-frequency", busclk / 2, 1); +} |