Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 44252
b: refs/heads/master
c: c164b90
h: refs/heads/master
v: v3
  • Loading branch information
Haavard Skinnemoen committed Dec 8, 2006
1 parent 17fe28b commit 2f6e2bd
Show file tree
Hide file tree
Showing 3 changed files with 58 additions and 12 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: a6f92f3dc8e53185bae50d44b5042b9cddf7f475
refs/heads/master: c164b90135d05ac52f70e6652910a4f585f7b999
65 changes: 57 additions & 8 deletions trunk/arch/avr32/boards/atstk1000/atstk1002.c
Original file line number Diff line number Diff line change
Expand Up @@ -7,33 +7,83 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/clk.h>
#include <linux/etherdevice.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/string.h>
#include <linux/types.h>

#include <asm/io.h>
#include <asm/setup.h>
#include <asm/arch/board.h>
#include <asm/arch/init.h>

struct eth_addr {
u8 addr[6];
};

static struct eth_addr __initdata hw_addr[2];

static struct eth_platform_data __initdata eth_data[2];
extern struct lcdc_platform_data atstk1000_fb0_data;

/*
* The next two functions should go away as the boot loader is
* supposed to initialize the macb address registers with a valid
* ethernet address. But we need to keep it around for a while until
* we can be reasonably sure the boot loader does this.
*
* The phy_id is ignored as the driver will probe for it.
*/
static int __init parse_tag_ethernet(struct tag *tag)
{
int i;

i = tag->u.ethernet.mac_index;
if (i < ARRAY_SIZE(eth_data)) {
eth_data[i].mii_phy_addr = tag->u.ethernet.mii_phy_addr;
memcpy(&eth_data[i].hw_addr, tag->u.ethernet.hw_address,
sizeof(eth_data[i].hw_addr));
eth_data[i].valid = 1;
}
if (i < ARRAY_SIZE(hw_addr))
memcpy(hw_addr[i].addr, tag->u.ethernet.hw_address,
sizeof(hw_addr[i].addr));

return 0;
}
__tagtable(ATAG_ETHERNET, parse_tag_ethernet);

static void __init set_hw_addr(struct platform_device *pdev)
{
struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
const u8 *addr;
void __iomem *regs;
struct clk *pclk;

if (!res)
return;
if (pdev->id >= ARRAY_SIZE(hw_addr))
return;

addr = hw_addr[pdev->id].addr;
if (!is_valid_ether_addr(addr))
return;

/*
* Since this is board-specific code, we'll cheat and use the
* physical address directly as we happen to know that it's
* the same as the virtual address.
*/
regs = (void __iomem __force *)res->start;
pclk = clk_get(&pdev->dev, "pclk");
if (!pclk)
return;

clk_enable(pclk);
__raw_writel((addr[3] << 24) | (addr[2] << 16)
| (addr[1] << 8) | addr[0], regs + 0x98);
__raw_writel((addr[5] << 8) | addr[4], regs + 0x9c);
clk_disable(pclk);
clk_put(pclk);
}

void __init setup_board(void)
{
at32_map_usart(1, 0); /* /dev/ttyS0 */
Expand All @@ -51,8 +101,7 @@ static int __init atstk1002_init(void)
at32_add_device_usart(1);
at32_add_device_usart(2);

if (eth_data[0].valid)
at32_add_device_eth(0, &eth_data[0]);
set_hw_addr(at32_add_device_eth(0, &eth_data[0]));

at32_add_device_spi(0);
at32_add_device_lcdc(0, &atstk1000_fb0_data);
Expand Down
3 changes: 0 additions & 3 deletions trunk/include/asm-avr32/arch-at32ap/board.h
Original file line number Diff line number Diff line change
Expand Up @@ -21,10 +21,7 @@ void at32_map_usart(unsigned int hw_id, unsigned int line);
struct platform_device *at32_add_device_usart(unsigned int id);

struct eth_platform_data {
u8 valid;
u8 mii_phy_addr;
u8 is_rmii;
u8 hw_addr[6];
};
struct platform_device *
at32_add_device_eth(unsigned int id, struct eth_platform_data *data);
Expand Down

0 comments on commit 2f6e2bd

Please sign in to comment.