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authorKonstantin Porotchkin <kostap@marvell.com>2017-02-16 13:52:26 +0200
committerStefan Roese <sr@denx.de>2017-03-23 08:50:50 +0100
commit81b7c7f6379cfb6ca6b40b22504ad4ae8aca1fdd (patch)
treed9c28ff5a3b1fac36f91e89db00b1b8c63c7648e
parentf7cab0f95b05ec6a66fe4796b9ad44406d0cc864 (diff)
arm64: a37xx: Handle pin controls in early board init
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>
-rw-r--r--board/Marvell/mvebu_armada-37xx/board.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/board/Marvell/mvebu_armada-37xx/board.c b/board/Marvell/mvebu_armada-37xx/board.c
index edf88c73e63..3337f3fbe75 100644
--- a/board/Marvell/mvebu_armada-37xx/board.c
+++ b/board/Marvell/mvebu_armada-37xx/board.c
@@ -19,9 +19,33 @@ DECLARE_GLOBAL_DATA_PTR;
#define I2C_IO_REG_0_SATA_OFF 2
#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)
{
- /* 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;
}