diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.3/418-MIPS-BCM63XX-add-HS-SPI-platform-device-and-register.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.3/418-MIPS-BCM63XX-add-HS-SPI-platform-device-and-register.patch | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-3.3/418-MIPS-BCM63XX-add-HS-SPI-platform-device-and-register.patch b/target/linux/brcm63xx/patches-3.3/418-MIPS-BCM63XX-add-HS-SPI-platform-device-and-register.patch new file mode 100644 index 0000000..a5b5320 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.3/418-MIPS-BCM63XX-add-HS-SPI-platform-device-and-register.patch @@ -0,0 +1,136 @@ +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 */ |