mirror of https://github.com/hak5/openwrt.git
137 lines
4.0 KiB
Diff
137 lines
4.0 KiB
Diff
From a2b75f344cdc0f9e12c7909511d95b27be72c6b9 Mon Sep 17 00:00:00 2001
|
|
From: Jonas Gorski <jonas.gorski@gmail.com>
|
|
Date: Sat, 12 Nov 2011 12:18:26 +0100
|
|
Subject: [PATCH 52/79] MIPS: BCM63XX: add HS SPI platform device and register
|
|
it
|
|
|
|
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
|
|
---
|
|
arch/mips/bcm63xx/Makefile | 5 +-
|
|
arch/mips/bcm63xx/boards/board_bcm963xx.c | 2 +
|
|
arch/mips/bcm63xx/dev-hsspi.c | 58 ++++++++++++++++++++
|
|
.../include/asm/mach-bcm63xx/bcm63xx_dev_hsspi.h | 26 +++++++++
|
|
4 files changed, 89 insertions(+), 2 deletions(-)
|
|
create mode 100644 arch/mips/bcm63xx/dev-hsspi.c
|
|
create mode 100644 arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_hsspi.h
|
|
|
|
--- a/arch/mips/bcm63xx/Makefile
|
|
+++ b/arch/mips/bcm63xx/Makefile
|
|
@@ -1,6 +1,7 @@
|
|
obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
|
|
- dev-dsp.o dev-enet.o dev-flash.o dev-pcmcia.o dev-spi.o \
|
|
- dev-trng.o dev-uart.o dev-usb-ehci.o dev-usb-ohci.o dev-wdt.o
|
|
+ dev-dsp.o dev-enet.o dev-flash.o dev-hsspi.o dev-pcmcia.o \
|
|
+ dev-spi.o dev-trng.o dev-uart.o dev-usb-ehci.o \
|
|
+ dev-usb-ohci.o dev-wdt.o
|
|
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
|
|
|
|
obj-y += boards/
|
|
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
|
|
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
|
|
@@ -24,6 +24,7 @@
|
|
#include <bcm63xx_dev_enet.h>
|
|
#include <bcm63xx_dev_dsp.h>
|
|
#include <bcm63xx_dev_flash.h>
|
|
+#include <bcm63xx_dev_hsspi.h>
|
|
#include <bcm63xx_dev_pcmcia.h>
|
|
#include <bcm63xx_dev_spi.h>
|
|
#include <bcm63xx_dev_usb_ohci.h>
|
|
@@ -940,6 +941,7 @@ int __init board_register_devices(void)
|
|
pr_err(PFX "failed to register fallback SPROM\n");
|
|
}
|
|
#endif
|
|
+ bcm63xx_hsspi_register();
|
|
|
|
bcm63xx_spi_register();
|
|
|
|
--- /dev/null
|
|
+++ b/arch/mips/bcm63xx/dev-hsspi.c
|
|
@@ -0,0 +1,58 @@
|
|
+/*
|
|
+ * This file is subject to the terms and conditions of the GNU General Public
|
|
+ * License. See the file "COPYING" in the main directory of this archive
|
|
+ * for more details.
|
|
+ *
|
|
+ * Copyright (C) 2009 Florian Fainelli <florian@openwrt.org>
|
|
+ * Copyright (C) 2010 Tanguy Bouzeloc <tanguy.bouzeloc@efixo.com>
|
|
+ */
|
|
+
|
|
+#include <linux/init.h>
|
|
+#include <linux/kernel.h>
|
|
+#include <linux/platform_device.h>
|
|
+
|
|
+#include <bcm63xx_cpu.h>
|
|
+#include <bcm63xx_dev_hsspi.h>
|
|
+#include <bcm63xx_regs.h>
|
|
+
|
|
+static struct resource spi_resources[] = {
|
|
+ {
|
|
+ .start = -1, /* filled at runtime */
|
|
+ .end = -1, /* filled at runtime */
|
|
+ .flags = IORESOURCE_MEM,
|
|
+ },
|
|
+ {
|
|
+ .start = -1, /* filled at runtime */
|
|
+ .flags = IORESOURCE_IRQ,
|
|
+ },
|
|
+};
|
|
+
|
|
+static struct bcm63xx_hsspi_pdata spi_pdata = {
|
|
+ .bus_num = 0,
|
|
+};
|
|
+
|
|
+static struct platform_device bcm63xx_hsspi_device = {
|
|
+ .name = "bcm63xx-hsspi",
|
|
+ .id = 0,
|
|
+ .num_resources = ARRAY_SIZE(spi_resources),
|
|
+ .resource = spi_resources,
|
|
+ .dev = {
|
|
+ .platform_data = &spi_pdata,
|
|
+ },
|
|
+};
|
|
+
|
|
+int __init bcm63xx_hsspi_register(void)
|
|
+{
|
|
+
|
|
+ if (!BCMCPU_IS_6328())
|
|
+ return -ENODEV;
|
|
+
|
|
+ spi_resources[0].start = bcm63xx_regset_address(RSET_HSSPI);
|
|
+ spi_resources[0].end = spi_resources[0].start;
|
|
+ spi_resources[0].end += RSET_HSSPI_SIZE - 1;
|
|
+ spi_resources[1].start = bcm63xx_get_irq_number(IRQ_HSSPI);
|
|
+
|
|
+ spi_pdata.speed_hz = HSSPI_PLL_HZ_6328;
|
|
+
|
|
+ return platform_device_register(&bcm63xx_hsspi_device);
|
|
+}
|
|
--- /dev/null
|
|
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_hsspi.h
|
|
@@ -0,0 +1,26 @@
|
|
+#ifndef BCM63XX_DEV_HSSPI_H
|
|
+#define BCM63XX_DEV_HSSPI_H
|
|
+
|
|
+#include <linux/types.h>
|
|
+#include <bcm63xx_io.h>
|
|
+#include <bcm63xx_regs.h>
|
|
+
|
|
+int __init bcm63xx_hsspi_register(void);
|
|
+
|
|
+struct bcm63xx_hsspi_pdata {
|
|
+ int bus_num;
|
|
+ u32 speed_hz;
|
|
+};
|
|
+
|
|
+#define bcm_hsspi_readl(o) bcm_rset_readl(RSET_HSSPI, (o))
|
|
+#define bcm_hsspi_writel(v, o) bcm_rset_writel(RSET_HSSPI, (v), (o))
|
|
+
|
|
+#define HSSPI_PLL_HZ_6328 133333333
|
|
+
|
|
+#define HSSPI_OP_CODE_SHIFT 13
|
|
+#define HSSPI_OP_SLEEP (0 << HSSPI_OP_CODE_SHIFT)
|
|
+#define HSSPI_OP_READ_WRITE (1 << HSSPI_OP_CODE_SHIFT)
|
|
+#define HSSPI_OP_WRITE (2 << HSSPI_OP_CODE_SHIFT)
|
|
+#define HSSPI_OP_READ (3 << HSSPI_OP_CODE_SHIFT)
|
|
+
|
|
+#endif /* BCM63XX_DEV_HSSPI_H */
|