cpu/allwinner: Remove support

The Allwinner code was never completed and lacks a driver to load
romstage from the bootblock.

Change-Id: If2bae9e28a6e1ed6bfe0e9cb022ca410918cc4db
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33133
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 0 insertions, 92 deletions

diff --git a/src/cpu/allwinner/a10/pinmux.c b/src/cpu/allwinner/a10/pinmux.c
deleted file mode 100644
index 3415e4fed5..0000000000
--- a/src/cpu/allwinner/a10/pinmux.c
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2013  Alexandru Gagniuc <mr.nuke.me@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- *
- * Helpers to multiplex and configure pins on Allwinner SoCs
- *
- */
-
-#include "gpio.h"
-
-#include <device/mmio.h>
-
-static struct a10_gpio *const gpio = (void *)GPIO_BASE;
-
-/**
- * \brief Set the pad function of a single pin
- *
- * @param[in] port GPIO port of the pin (GPA -> GPS)
- * @param[in] pin the pin number in the given port (1 -> 31)
- * @param[in] pad_func The peripheral function to which to connect this pin
- */
-void gpio_set_pin_func(u8 port, u8 pin, u8 pad_func)
-{
-	u8 reg, bit;
-	u32 reg32;
-
-	if ((port > GPS))
-		return;
-
-	pin &= 0x1f;
-	reg = pin / 8;
-	bit = (pin % 8) * 4;
-
-	reg32 = read32(&gpio->port[port].cfg[reg]);
-	reg32 &= ~(0xf << bit);
-	reg32 |= (pad_func & 0xf) << bit;
-	write32(&gpio->port[port].cfg[reg], reg32);
-}
-
-/**
- * \brief Set the pad function of a group of pins
- *
- * Multiplex a group of pins to the same pad function. This is useful for
- * peripherals that use the same function number for several pins. This function
- * allows those pins to be set with a single call.
- *
- * Example:
- *	gpio_set_multipin_func(GPB, (1 << 23) | (1 << 22), 2);
- *
- * @param[in] port GPIO port of the pin (GPA -> GPS)
- * @param[in] pin_mask 32-bit mask indicating which pins to re-multiplex. For
- *			each set bit, the corresponding pin will be multiplexed.
- * @param[in] pad_func The peripheral function to which to connect the pins
- */
-void gpio_set_multipin_func(u8 port, u32 pin_mask, u8 pad_func)
-{
-	int j;
-	u8 reg, bit;
-	u32 reg32, mask_offset;
-
-	if ((port > GPS))
-		return;
-
-	for (reg = 0; reg < 4; reg++) {
-		mask_offset = 8 * reg;
-		/* Don't run the inner loop if we're not touching any pins */
-		if (!(pin_mask & (0xff << mask_offset)))
-			continue;
-
-		reg32 = read32(&gpio->port[port].cfg[reg]);
-		for (j = 0; j < 8; j++) {
-			if (!(pin_mask & (1 << (j + mask_offset))))
-				continue;
-			bit = j * 4;
-			reg32 &= ~(0xf << bit);
-			reg32 |= (pad_func & 0xf) << bit;
-		}
-		write32(&gpio->port[port].cfg[reg], reg32);
-	}
-}