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arm64: a37xx: Handle pin controls in early board init

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Fix the default pin control values in a board-specific
function on early board init stage.
This fix allows the NETA driver to work in RGMII
mode until the full-featured pin control driver gets
introduced.

Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Cc: Stefan Roese <sr@denx.de>
Cc: Igal Liberman <igall@marvell.com>
Cc: Nadav Haklai <nadavh@marvell.com>
Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Konstantin Porotchkin 2017-02-16 13:52:26 +02:00 committed by Stefan Roese
parent 67de49e6ad
commit ce0c79372d
1 changed files with 25 additions and 1 deletions
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26
board/Marvell/mvebu_armada-37xx/board.c
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@ -19,9 +19,33 @@ DECLARE_GLOBAL_DATA_PTR;
#define I2C_IO_REG_0_SATA_OFF 2 #define I2C_IO_REG_0_SATA_OFF 2
#define I2C_IO_REG_0_USB_H_OFF 1 #define I2C_IO_REG_0_USB_H_OFF 1
#define PINCTRL_NB_REG_VALUE 0x000173fa
#define PINCTRL_SB_REG_VALUE 0x00007a23
int board_early_init_f(void) int board_early_init_f(void)
{ {
/* Nothing to do (yet), perhaps later some pin-muxing etc */ const void *blob = gd->fdt_blob;
const char *bank_name;
const char *compat = "marvell,armada-3700-pinctl";
int off, len;
void __iomem *addr;
/* FIXME
* Temporary WA for setting correct pin control values
* until the real pin control driver is awailable.
*/
off = fdt_node_offset_by_compatible(blob, -1, compat);
while (off != -FDT_ERR_NOTFOUND) {
bank_name = fdt_getprop(blob, off, "bank-name", &len);
addr = (void __iomem *)fdtdec_get_addr_size_auto_noparent(
blob, off, "reg", 0, NULL, true);
if (!strncmp(bank_name, "armada-3700-nb", len))
writel(PINCTRL_NB_REG_VALUE, addr);
else if (!strncmp(bank_name, "armada-3700-sb", len))
writel(PINCTRL_SB_REG_VALUE, addr);
off = fdt_node_offset_by_compatible(blob, off, compat);
}
return 0; return 0;
} }