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authorKonstantin Porotchkin <kostap@marvell.com>2017-02-16 13:52:26 +0200
committerStefan Roese <sr@denx.de>2017-03-29 07:38:09 +0200
commitce0c79372d62544fa8dda30756dcde74abf5bb02 (patch)
treea39c3f28983ea5d4d4a7a81f7b4ed2ea5a36fb98 /board
parent67de49e6adc8ccade1d7a15c2880634c23630a5b (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>
Diffstat (limited to 'board')
-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 edf88c73e6..3337f3fbe7 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;
}