mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-24 19:08:50 +09:00
![Simon Glass](/assets/img/avatar_default.png)
This header file is now only used by files that access internal environment features. Drop it from various places where it is not needed. Acked-by: Joe Hershberger <joe.hershberger@ni.com> Signed-off-by: Simon Glass <sjg@chromium.org>
106 lines
2.9 KiB
C
106 lines
2.9 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* CPSW common - libs used across TI ethernet devices.
|
|
*
|
|
* Copyright (C) 2016, Texas Instruments, Incorporated
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <fdt_support.h>
|
|
#include <asm/io.h>
|
|
#include <cpsw.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
#define CTRL_MAC_REG(offset, id) ((offset) + 0x8 * (id))
|
|
|
|
static void davinci_emac_3517_get_macid(u32 addr, u8 *mac_addr)
|
|
{
|
|
/* try reading mac address from efuse */
|
|
u32 macid_lsb = readl(addr);
|
|
u32 macid_msb = readl(addr + 4);
|
|
|
|
mac_addr[0] = (macid_msb >> 16) & 0xff;
|
|
mac_addr[1] = (macid_msb >> 8) & 0xff;
|
|
mac_addr[2] = macid_msb & 0xff;
|
|
mac_addr[3] = (macid_lsb >> 16) & 0xff;
|
|
mac_addr[4] = (macid_lsb >> 8) & 0xff;
|
|
mac_addr[5] = macid_lsb & 0xff;
|
|
}
|
|
|
|
static void cpsw_am33xx_cm_get_macid(u32 addr, u8 *mac_addr)
|
|
{
|
|
/* try reading mac address from efuse */
|
|
u32 macid_lo = readl(addr);
|
|
u32 macid_hi = readl(addr + 4);
|
|
|
|
mac_addr[5] = (macid_lo >> 8) & 0xff;
|
|
mac_addr[4] = macid_lo & 0xff;
|
|
mac_addr[3] = (macid_hi >> 24) & 0xff;
|
|
mac_addr[2] = (macid_hi >> 16) & 0xff;
|
|
mac_addr[1] = (macid_hi >> 8) & 0xff;
|
|
mac_addr[0] = macid_hi & 0xff;
|
|
}
|
|
|
|
void ti_cm_get_macid(struct udevice *dev, struct cpsw_platform_data *data,
|
|
u8 *mac_addr)
|
|
{
|
|
if (!strcmp(data->macid_sel_compat, "cpsw,am33xx"))
|
|
cpsw_am33xx_cm_get_macid(data->syscon_addr, mac_addr);
|
|
else if (!strcmp(data->macid_sel_compat, "davinci,emac"))
|
|
davinci_emac_3517_get_macid(data->syscon_addr, mac_addr);
|
|
}
|
|
|
|
int ti_cm_get_macid_addr(struct udevice *dev, int slave,
|
|
struct cpsw_platform_data *data)
|
|
{
|
|
void *fdt = (void *)gd->fdt_blob;
|
|
int node = dev_of_offset(dev);
|
|
fdt32_t gmii = 0;
|
|
int syscon;
|
|
u16 offset;
|
|
|
|
if (of_machine_is_compatible("ti,dm8148")) {
|
|
offset = 0x630;
|
|
data->macid_sel_compat = "cpsw,am33xx";
|
|
} else if (of_machine_is_compatible("ti,am33xx")) {
|
|
offset = 0x630;
|
|
data->macid_sel_compat = "cpsw,am33xx";
|
|
} else if (device_is_compatible(dev, "ti,am3517-emac")) {
|
|
offset = 0x110;
|
|
data->macid_sel_compat = "davinci,emac";
|
|
} else if (device_is_compatible(dev, "ti,dm816-emac")) {
|
|
offset = 0x30;
|
|
data->macid_sel_compat = "cpsw,am33xx";
|
|
} else if (of_machine_is_compatible("ti,am43")) {
|
|
offset = 0x630;
|
|
data->macid_sel_compat = "cpsw,am33xx";
|
|
} else if (of_machine_is_compatible("ti,dra7")) {
|
|
offset = 0x514;
|
|
data->macid_sel_compat = "davinci,emac";
|
|
} else {
|
|
dev_err(dev, "incompatible machine/device type for reading mac address\n");
|
|
return -ENOENT;
|
|
}
|
|
|
|
syscon = fdtdec_lookup_phandle(fdt, node, "syscon");
|
|
if (syscon < 0) {
|
|
pr_err("Syscon offset not found\n");
|
|
return -ENOENT;
|
|
}
|
|
|
|
data->syscon_addr = (u32)map_physmem(fdt_translate_address(fdt, syscon,
|
|
&gmii),
|
|
sizeof(u32), MAP_NOCACHE);
|
|
if (data->syscon_addr == FDT_ADDR_T_NONE) {
|
|
pr_err("Not able to get syscon address to get mac efuse address\n");
|
|
return -ENOENT;
|
|
}
|
|
|
|
data->syscon_addr += CTRL_MAC_REG(offset, slave);
|
|
|
|
return 0;
|
|
|
|
}
|