[coreboot-gerrit] Patch set updated for coreboot: soc/marvell/mvmap2315: Add gpio driver
hakim giydan (hgiydan@marvell.com)
gerrit at coreboot.org
Mon Sep 12 18:24:38 CEST 2016
hakim giydan (hgiydan at marvell.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/15508
-gerrit
commit ba1e6b0b96ec0db442afdd78c9eb2e636ba6590e
Author: Hakim Giydan <hgiydan at marvell.com>
Date: Thu Sep 8 10:36:06 2016 -0700
soc/marvell/mvmap2315: Add gpio driver
Testing: booted successfully.
Change-Id: I89dee1bbf8b68460897f64bf673b328533e70cd4
Signed-off-by: Hakim Giydan <hgiydan at marvell.com>
---
src/soc/marvell/mvmap2315/Makefile.inc | 3 +
src/soc/marvell/mvmap2315/gpio.c | 71 ++++++++++++++++
src/soc/marvell/mvmap2315/include/soc/addressmap.h | 3 +
src/soc/marvell/mvmap2315/include/soc/gpio.h | 99 ++++++++++++++++++++++
4 files changed, 176 insertions(+)
diff --git a/src/soc/marvell/mvmap2315/Makefile.inc b/src/soc/marvell/mvmap2315/Makefile.inc
index 9f3b7a4..d5276a5 100644
--- a/src/soc/marvell/mvmap2315/Makefile.inc
+++ b/src/soc/marvell/mvmap2315/Makefile.inc
@@ -19,6 +19,7 @@ bootblock-y += bootblock.c
bootblock-y += clock.c
bootblock-y += fiq.S
bootblock-y += gic.c
+bootblock-y += gpio.c
bootblock-y += media.c
bootblock-y += pinmux.c
bootblock-y += reset.c
@@ -28,6 +29,7 @@ bootblock-y += uart.c
ramstage-y += cbmem.c
ramstage-y += media.c
+ramstage-y += gpio.c
ramstage-y += ramstage_entry.S
ramstage-y += reset.c
ramstage-y += soc.c
@@ -37,6 +39,7 @@ ramstage-y += uart.c
romstage-y += cbmem.c
romstage-y += clock.c
+romstage-y += gpio.c
romstage-y += media.c
romstage-y += mmu_operations.c
romstage-y += reset.c
diff --git a/src/soc/marvell/mvmap2315/gpio.c b/src/soc/marvell/mvmap2315/gpio.c
new file mode 100644
index 0000000..57fc718
--- /dev/null
+++ b/src/soc/marvell/mvmap2315/gpio.c
@@ -0,0 +1,71 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Marvell, Inc.
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#include <arch/io.h>
+#include <gpio.h>
+#include <soc/addressmap.h>
+#include <soc/gpio.h>
+#include <soc/pinmux.h>
+
+struct mvmap2315_gpio_regs *gpio_banks[] = {
+ (struct mvmap2315_gpio_regs *)MVMAP2315_GPIOF_BASE,
+ (struct mvmap2315_gpio_regs *)MVMAP2315_GPIOG_BASE,
+ (struct mvmap2315_gpio_regs *)MVMAP2315_GPIOH_BASE,
+};
+
+int gpio_get(gpio_t gpio)
+{
+ return (read32(&gpio_banks[gpio.bank]->plr) >> gpio.idx) & 0x1;
+}
+
+void gpio_set(gpio_t gpio, int value)
+{
+ if (value)
+ setbits_le32(&gpio_banks[gpio.bank]->psr, 1 << gpio.idx);
+ else
+ setbits_le32(&gpio_banks[gpio.bank]->pcr, 1 << gpio.idx);
+}
+
+void gpio_input_pulldown(gpio_t gpio)
+{
+ set_pinmux(PINMUX(GET_GPIO_PAD(gpio), 0, 1, 0, 0, PULLDOWN));
+ clrbits_le32(&gpio_banks[gpio.bank]->pdr, 1 << gpio.idx);
+}
+
+void gpio_input_pullup(gpio_t gpio)
+{
+ set_pinmux(PINMUX(GET_GPIO_PAD(gpio), 0, 1, 0, 0, PULLUP));
+ clrbits_le32(&gpio_banks[gpio.bank]->pdr, 1 << gpio.idx);
+}
+
+void gpio_input(gpio_t gpio)
+{
+ set_pinmux(PINMUX(GET_GPIO_PAD(gpio), 0, 1, 0, 0, PULLNONE));
+ clrbits_le32(&gpio_banks[gpio.bank]->pdr, 1 << gpio.idx);
+}
+
+void gpio_output(gpio_t gpio, int value)
+{
+ setbits_le32(&gpio_banks[gpio.bank]->pdr, 1 << gpio.idx);
+
+ if (value)
+ setbits_le32(&gpio_banks[gpio.bank]->psr, 1 << gpio.idx);
+ else
+ setbits_le32(&gpio_banks[gpio.bank]->pcr, 1 << gpio.idx);
+}
diff --git a/src/soc/marvell/mvmap2315/include/soc/addressmap.h b/src/soc/marvell/mvmap2315/include/soc/addressmap.h
index 53e627b..f646b00 100644
--- a/src/soc/marvell/mvmap2315/include/soc/addressmap.h
+++ b/src/soc/marvell/mvmap2315/include/soc/addressmap.h
@@ -24,6 +24,9 @@
#define MVMAP2315_PINMUX_BASE 0xE0140000
#define MVMAP2315_TIMER0_BASE 0xE1020000
+#define MVMAP2315_GPIOF_BASE 0xE0142000
+#define MVMAP2315_GPIOG_BASE 0xE0142100
+#define MVMAP2315_GPIOH_BASE 0xE0142200
#define MVMAP2315_BCM_GICD_BASE 0xE0111000
#define MVMAP2315_BCM_GICC_BASE 0xE0112000
diff --git a/src/soc/marvell/mvmap2315/include/soc/gpio.h b/src/soc/marvell/mvmap2315/include/soc/gpio.h
new file mode 100644
index 0000000..923e83a
--- /dev/null
+++ b/src/soc/marvell/mvmap2315/include/soc/gpio.h
@@ -0,0 +1,99 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Marvell, Inc.
+ *
+
+ * This program is free software;
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY;
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+#ifndef __SOC_MARVELL_MVMAP2315_GPIO_H__
+#define __SOC_MARVELL_MVMAP2315_GPIO_H__
+
+#include <stdint.h>
+
+#include <types.h>
+
+#define GPIO(b, i) ((gpio_t){.bank = GPIO_##b, .idx = i})
+#define GET_GPIO_PAD(gpio) ((gpio.bank * 32) + gpio.idx + 160)
+
+struct mvmap2315_gpio_regs {
+ u32 plr;
+ u32 pdr;
+ u32 psr;
+ u32 pcr;
+ u32 hripr;
+ u32 lfipr;
+ u32 isr;
+ u32 sdr;
+ u32 cdr;
+ u32 shripr;
+ u32 chripr;
+ u32 slfipr;
+ u32 clfipr;
+ u32 olr;
+ u32 dwer;
+ u32 imr;
+ u32 rev0;
+ u32 rev1;
+ u32 simr;
+ u32 cimr;
+ u32 iter0;
+ u32 iter1;
+ u32 iter2;
+ u32 iter3;
+ u32 iter4;
+ u32 iter5;
+ u32 iter6;
+ u32 iter7;
+ u32 iter8;
+ u32 iter9;
+ u32 iter10;
+ u32 iter11;
+ u32 iter12;
+ u32 iter13;
+ u32 iter14;
+ u32 iter15;
+ u32 iter16;
+ u32 iter17;
+ u32 iter18;
+ u32 iter19;
+ u32 iter20;
+ u32 iter21;
+ u32 iter22;
+ u32 iter23;
+};
+
+check_member(mvmap2315_gpio_regs, iter23, 0xac);
+
+typedef union {
+ u32 raw;
+ struct {
+ u16 port;
+ union {
+ struct {
+ u16 num : 5;
+ u16 reserved1 : 11;
+ };
+ struct {
+ u16 idx : 3;
+ u16 bank : 2;
+ u16 reserved2 : 11;
+ };
+ };
+ };
+} gpio_t;
+
+enum {
+ GPIO_F = 0,
+ GPIO_G = 1,
+ GPIO_H = 2,
+};
+
+#endif /* __SOC_MARVELL_MVMAP2315_GPIO_H__ */
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