diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/mach-mv78xx0/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/mach-mv78xx0/mpp.c | 96 | ||||
-rw-r--r-- | arch/arm/mach-mv78xx0/mpp.h | 347 |
3 files changed, 444 insertions, 1 deletions
diff --git a/arch/arm/mach-mv78xx0/Makefile b/arch/arm/mach-mv78xx0/Makefile index da628b7f3bb..4948eeeda5a 100644 --- a/arch/arm/mach-mv78xx0/Makefile +++ b/arch/arm/mach-mv78xx0/Makefile @@ -1,3 +1,3 @@ -obj-y += common.o addr-map.o irq.o pcie.o +obj-y += common.o addr-map.o mpp.o irq.o pcie.o obj-$(CONFIG_MACH_DB78X00_BP) += db78x00-bp-setup.o obj-$(CONFIG_MACH_RD78X00_MASA) += rd78x00-masa-setup.o diff --git a/arch/arm/mach-mv78xx0/mpp.c b/arch/arm/mach-mv78xx0/mpp.c new file mode 100644 index 00000000000..354ac514eb8 --- /dev/null +++ b/arch/arm/mach-mv78xx0/mpp.c @@ -0,0 +1,96 @@ +/* + * arch/arm/mach-mv78x00/mpp.c + * + * MPP functions for Marvell MV78x00 SoCs + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/mbus.h> +#include <linux/io.h> +#include <asm/gpio.h> +#include <mach/hardware.h> +#include "common.h" +#include "mpp.h" + +static unsigned int __init mv78xx0_variant(void) +{ + u32 dev, rev; + + mv78xx0_pcie_id(&dev, &rev); + + if (dev == MV78100_DEV_ID && rev >= MV78100_REV_A0) + return MPP_78100_A0_MASK; + + printk(KERN_ERR "MPP setup: unknown mv78x00 variant " + "(dev %#x rev %#x)\n", dev, rev); + return 0; +} + +#define MPP_CTRL(i) (DEV_BUS_VIRT_BASE + (i) * 4) +#define MPP_NR_REGS (1 + MPP_MAX/8) + +void __init mv78xx0_mpp_conf(unsigned int *mpp_list) +{ + u32 mpp_ctrl[MPP_NR_REGS]; + unsigned int variant_mask; + int i; + + variant_mask = mv78xx0_variant(); + if (!variant_mask) + return; + + /* Initialize gpiolib. */ + orion_gpio_init(); + + printk(KERN_DEBUG "initial MPP regs:"); + for (i = 0; i < MPP_NR_REGS; i++) { + mpp_ctrl[i] = readl(MPP_CTRL(i)); + printk(" %08x", mpp_ctrl[i]); + } + printk("\n"); + + while (*mpp_list) { + unsigned int num = MPP_NUM(*mpp_list); + unsigned int sel = MPP_SEL(*mpp_list); + int shift, gpio_mode; + + if (num > MPP_MAX) { + printk(KERN_ERR "mv78xx0_mpp_conf: invalid MPP " + "number (%u)\n", num); + continue; + } + if (!(*mpp_list & variant_mask)) { + printk(KERN_WARNING + "mv78xx0_mpp_conf: requested MPP%u config " + "unavailable on this hardware\n", num); + continue; + } + + shift = (num & 7) << 2; + mpp_ctrl[num / 8] &= ~(0xf << shift); + mpp_ctrl[num / 8] |= sel << shift; + + gpio_mode = 0; + if (*mpp_list & MPP_INPUT_MASK) + gpio_mode |= GPIO_INPUT_OK; + if (*mpp_list & MPP_OUTPUT_MASK) + gpio_mode |= GPIO_OUTPUT_OK; + if (sel != 0) + gpio_mode = 0; + orion_gpio_set_valid(num, gpio_mode); + + mpp_list++; + } + + printk(KERN_DEBUG " final MPP regs:"); + for (i = 0; i < MPP_NR_REGS; i++) { + writel(mpp_ctrl[i], MPP_CTRL(i)); + printk(" %08x", mpp_ctrl[i]); + } + printk("\n"); +} diff --git a/arch/arm/mach-mv78xx0/mpp.h b/arch/arm/mach-mv78xx0/mpp.h new file mode 100644 index 00000000000..80840b781ea --- /dev/null +++ b/arch/arm/mach-mv78xx0/mpp.h @@ -0,0 +1,347 @@ +/* + * linux/arch/arm/mach-mv78xx0/mpp.h -- Multi Purpose Pins + * + * + * sebastien requiem <sebastien@requiem.fr> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef __MV78X00_MPP_H +#define __MV78X00_MPP_H + +#define MPP(_num, _sel, _in, _out, _78100_A0) (\ + /* MPP number */ ((_num) & 0xff) | \ + /* MPP select value */ (((_sel) & 0xf) << 8) | \ + /* may be input signal */ ((!!(_in)) << 12) | \ + /* may be output signal */ ((!!(_out)) << 13) | \ + /* available on A0 */ ((!!(_78100_A0)) << 14)) + +#define MPP_NUM(x) ((x) & 0xff) +#define MPP_SEL(x) (((x) >> 8) & 0xf) + + /* num sel i o 78100_A0 */ + +#define MPP_INPUT_MASK MPP(0, 0x0, 1, 0, 0) +#define MPP_OUTPUT_MASK MPP(0, 0x0, 0, 1, 0) + +#define MPP_78100_A0_MASK MPP(0, 0x0, 0, 0, 1) + +#define MPP0_GPIO MPP(0, 0x0, 1, 1, 1) +#define MPP0_GE0_COL MPP(0, 0x1, 1, 0, 1) +#define MPP0_GE1_TXCLK MPP(0, 0x2, 0, 1, 1) +#define MPP0_UNUSED MPP(0, 0x3, 0, 0, 1) + +#define MPP1_GPIO MPP(1, 0x0, 1, 1, 1) +#define MPP1_GE0_RXERR MPP(1, 0x1, 1, 0, 1) +#define MPP1_GE1_TXCTL MPP(1, 0x2, 0, 1, 1) +#define MPP1_UNUSED MPP(1, 0x3, 0, 0, 1) + +#define MPP2_GPIO MPP(2, 0x0, 1, 1, 1) +#define MPP2_GE0_CRS MPP(2, 0x1, 1, 0, 1) +#define MPP2_GE1_RXCTL MPP(2, 0x2, 1, 0, 1) +#define MPP2_UNUSED MPP(2, 0x3, 0, 0, 1) + +#define MPP3_GPIO MPP(3, 0x0, 1, 1, 1) +#define MPP3_GE0_TXERR MPP(3, 0x1, 0, 1, 1) +#define MPP3_GE1_RXCLK MPP(3, 0x2, 1, 0, 1) +#define MPP3_UNUSED MPP(3, 0x3, 0, 0, 1) + +#define MPP4_GPIO MPP(4, 0x0, 1, 1, 1) +#define MPP4_GE0_TXD4 MPP(4, 0x1, 0, 1, 1) +#define MPP4_GE1_TXD0 MPP(4, 0x2, 0, 1, 1) +#define MPP4_UNUSED MPP(4, 0x3, 0, 0, 1) + +#define MPP5_GPIO MPP(5, 0x0, 1, 1, 1) +#define MPP5_GE0_TXD5 MPP(5, 0x1, 0, 1, 1) +#define MPP5_GE1_TXD1 MPP(5, 0x2, 0, 1, 1) +#define MPP5_UNUSED MPP(5, 0x3, 0, 0, 1) + +#define MPP6_GPIO MPP(6, 0x0, 1, 1, 1) +#define MPP6_GE0_TXD6 MPP(6, 0x1, 0, 1, 1) +#define MPP6_GE1_TXD2 MPP(6, 0x2, 0, 1, 1) +#define MPP6_UNUSED MPP(6, 0x3, 0, 0, 1) + +#define MPP7_GPIO MPP(7, 0x0, 1, 1, 1) +#define MPP7_GE0_TXD7 MPP(7, 0x1, 0, 1, 1) +#define MPP7_GE1_TXD3 MPP(7, 0x2, 0, 1, 1) +#define MPP7_UNUSED MPP(7, 0x3, 0, 0, 1) + +#define MPP8_GPIO MPP(8, 0x0, 1, 1, 1) +#define MPP8_GE0_RXD4 MPP(8, 0x1, 1, 0, 1) +#define MPP8_GE1_RXD0 MPP(8, 0x2, 1, 0, 1) +#define MPP8_UNUSED MPP(8, 0x3, 0, 0, 1) + +#define MPP9_GPIO MPP(9, 0x0, 1, 1, 1) +#define MPP9_GE0_RXD5 MPP(9, 0x1, 1, 0, 1) +#define MPP9_GE1_RXD1 MPP(9, 0x2, 1, 0, 1) +#define MPP9_UNUSED MPP(9, 0x3, 0, 0, 1) + +#define MPP10_GPIO MPP(10, 0x0, 1, 1, 1) +#define MPP10_GE0_RXD6 MPP(10, 0x1, 1, 0, 1) +#define MPP10_GE1_RXD2 MPP(10, 0x2, 1, 0, 1) +#define MPP10_UNUSED MPP(10, 0x3, 0, 0, 1) + +#define MPP11_GPIO MPP(11, 0x0, 1, 1, 1) +#define MPP11_GE0_RXD7 MPP(11, 0x1, 1, 0, 1) +#define MPP11_GE1_RXD3 MPP(11, 0x2, 1, 0, 1) +#define MPP11_UNUSED MPP(11, 0x3, 0, 0, 1) + +#define MPP12_GPIO MPP(12, 0x0, 1, 1, 1) +#define MPP12_M_BB MPP(12, 0x3, 1, 0, 1) +#define MPP12_UA0_CTSn MPP(12, 0x4, 1, 0, 1) +#define MPP12_NAND_FLASH_REn0 MPP(12, 0x5, 0, 1, 1) +#define MPP12_TDM0_SCSn MPP(12, 0X6, 0, 1, 1) +#define MPP12_UNUSED MPP(12, 0x1, 0, 0, 1) + +#define MPP13_GPIO MPP(13, 0x0, 1, 1, 1) +#define MPP13_SYSRST_OUTn MPP(13, 0x3, 0, 1, 1) +#define MPP13_UA0_RTSn MPP(13, 0x4, 0, 1, 1) +#define MPP13_NAN_FLASH_WEn0 MPP(13, 0x5, 0, 1, 1) +#define MPP13_TDM_SCLK MPP(13, 0x6, 0, 1, 1) +#define MPP13_UNUSED MPP(13, 0x1, 0, 0, 1) + +#define MPP14_GPIO MPP(14, 0x0, 1, 1, 1) +#define MPP14_SATA1_ACTn MPP(14, 0x3, 0, 1, 1) +#define MPP14_UA1_CTSn MPP(14, 0x4, 1, 0, 1) +#define MPP14_NAND_FLASH_REn1 MPP(14, 0x5, 0, 1, 1) +#define MPP14_TDM_SMOSI MPP(14, 0x6, 0, 1, 1) +#define MPP14_UNUSED MPP(14, 0x1, 0, 0, 1) + +#define MPP15_GPIO MPP(15, 0x0, 1, 1, 1) +#define MPP15_SATA0_ACTn MPP(15, 0x3, 0, 1, 1) +#define MPP15_UA1_RTSn MPP(15, 0x4, 0, 1, 1) +#define MPP15_NAND_FLASH_WEn1 MPP(15, 0x5, 0, 1, 1) +#define MPP15_TDM_SMISO MPP(15, 0x6, 1, 0, 1) +#define MPP15_UNUSED MPP(15, 0x1, 0, 0, 1) + +#define MPP16_GPIO MPP(16, 0x0, 1, 1, 1) +#define MPP16_SATA1_PRESENTn MPP(16, 0x3, 0, 1, 1) +#define MPP16_UA2_TXD MPP(16, 0x4, 0, 1, 1) +#define MPP16_NAND_FLASH_REn3 MPP(16, 0x5, 0, 1, 1) +#define MPP16_TDM_INTn MPP(16, 0x6, 1, 0, 1) +#define MPP16_UNUSED MPP(16, 0x1, 0, 0, 1) + + +#define MPP17_GPIO MPP(17, 0x0, 1, 1, 1) +#define MPP17_SATA0_PRESENTn MPP(17, 0x3, 0, 1, 1) +#define MPP17_UA2_RXD MPP(17, 0x4, 1, 0, 1) +#define MPP17_NAND_FLASH_WEn3 MPP(17, 0x5, 0, 1, 1) +#define MPP17_TDM_RSTn MPP(17, 0x6, 0, 1, 1) +#define MPP17_UNUSED MPP(17, 0x1, 0, 0, 1) + + +#define MPP18_GPIO MPP(18, 0x0, 1, 1, 1) +#define MPP18_UA0_CTSn MPP(18, 0x4, 1, 0, 1) +#define MPP18_BOOT_FLASH_REn MPP(18, 0x5, 0, 1, 1) +#define MPP18_UNUSED MPP(18, 0x1, 0, 0, 1) + + + +#define MPP19_GPIO MPP(19, 0x0, 1, 1, 1) +#define MPP19_UA0_CTSn MPP(19, 0x4, 0, 1, 1) +#define MPP19_BOOT_FLASH_WEn MPP(19, 0x5, 0, 1, 1) +#define MPP19_UNUSED MPP(19, 0x1, 0, 0, 1) + + +#define MPP20_GPIO MPP(20, 0x0, 1, 1, 1) +#define MPP20_UA1_CTSs MPP(20, 0x4, 1, 0, 1) +#define MPP20_TDM_PCLK MPP(20, 0x6, 1, 1, 0) +#define MPP20_UNUSED MPP(20, 0x1, 0, 0, 1) + + + +#define MPP21_GPIO MPP(21, 0x0, 1, 1, 1) +#define MPP21_UA1_CTSs MPP(21, 0x4, 0, 1, 1) +#define MPP21_TDM_FSYNC MPP(21, 0x6, 1, 1, 0) +#define MPP21_UNUSED MPP(21, 0x1, 0, 0, 1) + + + +#define MPP22_GPIO MPP(22, 0x0, 1, 1, 1) +#define MPP22_UA3_TDX MPP(22, 0x4, 0, 1, 1) +#define MPP22_NAND_FLASH_REn2 MPP(22, 0x5, 0, 1, 1) +#define MPP22_TDM_DRX MPP(22, 0x6, 1, 0, 1) +#define MPP22_UNUSED MPP(22, 0x1, 0, 0, 1) + + + +#define MPP23_GPIO MPP(23, 0x0, 1, 1, 1) +#define MPP23_UA3_RDX MPP(23, 0x4, 1, 0, 1) +#define MPP23_NAND_FLASH_WEn2 MPP(23, 0x5, 0, 1, 1) +#define MPP23_TDM_DTX MPP(23, 0x6, 0, 1, 1) +#define MPP23_UNUSED MPP(23, 0x1, 0, 0, 1) + + +#define MPP24_GPIO MPP(24, 0x0, 1, 1, 1) +#define MPP24_UA2_TXD MPP(24, 0x4, 0, 1, 1) +#define MPP24_TDM_INTn MPP(24, 0x6, 1, 0, 1) +#define MPP24_UNUSED MPP(24, 0x1, 0, 0, 1) + + +#define MPP25_GPIO MPP(25, 0x0, 1, 1, 1) +#define MPP25_UA2_RXD MPP(25, 0x4, 1, 0, 1) +#define MPP25_TDM_RSTn MPP(25, 0x6, 0, 1, 1) +#define MPP25_UNUSED MPP(25, 0x1, 0, 0, 1) + + +#define MPP26_GPIO MPP(26, 0x0, 1, 1, 1) +#define MPP26_UA2_CTSn MPP(26, 0x4, 1, 0, 1) +#define MPP26_TDM_PCLK MPP(26, 0x6, 1, 1, 1) +#define MPP26_UNUSED MPP(26, 0x1, 0, 0, 1) + + +#define MPP27_GPIO MPP(27, 0x0, 1, 1, 1) +#define MPP27_UA2_RTSn MPP(27, 0x4, 0, 1, 1) +#define MPP27_TDM_FSYNC MPP(27, 0x6, 1, 1, 1) +#define MPP27_UNUSED MPP(27, 0x1, 0, 0, 1) + + +#define MPP28_GPIO MPP(28, 0x0, 1, 1, 1) +#define MPP28_UA3_TXD MPP(28, 0x4, 0, 1, 1) +#define MPP28_TDM_DRX MPP(28, 0x6, 1, 0, 1) +#define MPP28_UNUSED MPP(28, 0x1, 0, 0, 1) + +#define MPP29_GPIO MPP(29, 0x0, 1, 1, 1) +#define MPP29_UA3_RXD MPP(29, 0x4, 1, 0, 1) +#define MPP29_SYSRST_OUTn MPP(29, 0x5, 0, 1, 1) +#define MPP29_TDM_DTX MPP(29, 0x6, 0, 1, 1) +#define MPP29_UNUSED MPP(29, 0x1, 0, 0, 1) + +#define MPP30_GPIO MPP(30, 0x0, 1, 1, 1) +#define MPP30_UA3_CTSn MPP(30, 0x4, 1, 0, 1) +#define MPP30_UNUSED MPP(30, 0x1, 0, 0, 1) + +#define MPP31_GPIO MPP(31, 0x0, 1, 1, 1) +#define MPP31_UA3_RTSn MPP(31, 0x4, 0, 1, 1) +#define MPP31_TDM1_SCSn MPP(31, 0x6, 0, 1, 1) +#define MPP31_UNUSED MPP(31, 0x1, 0, 0, 1) + + +#define MPP32_GPIO MPP(32, 0x1, 1, 1, 1) +#define MPP32_UA3_TDX MPP(32, 0x4, 0, 1, 1) +#define MPP32_SYSRST_OUTn MPP(32, 0x5, 0, 1, 1) +#define MPP32_TDM0_RXQ MPP(32, 0x6, 0, 1, 1) +#define MPP32_UNUSED MPP(32, 0x3, 0, 0, 1) + + +#define MPP33_GPIO MPP(33, 0x1, 1, 1, 1) +#define MPP33_UA3_RDX MPP(33, 0x4, 1, 0, 1) +#define MPP33_TDM0_TXQ MPP(33, 0x6, 0, 1, 1) +#define MPP33_UNUSED MPP(33, 0x3, 0, 0, 1) + + + +#define MPP34_GPIO MPP(34, 0x1, 1, 1, 1) +#define MPP34_UA2_TDX MPP(34, 0x4, 0, 1, 1) +#define MPP34_TDM1_RXQ MPP(34, 0x6, 0, 1, 1) +#define MPP34_UNUSED MPP(34, 0x3, 0, 0, 1) + + + +#define MPP35_GPIO MPP(35, 0x1, 1, 1, 1) +#define MPP35_UA2_RDX MPP(35, 0x4, 1, 0, 1) +#define MPP35_TDM1_TXQ MPP(35, 0x6, 0, 1, 1) +#define MPP35_UNUSED MPP(35, 0x3, 0, 0, 1) + +#define MPP36_GPIO MPP(36, 0x1, 1, 1, 1) +#define MPP36_UA0_CTSn MPP(36, 0x2, 1, 0, 1) +#define MPP36_UA2_TDX MPP(36, 0x4, 0, 1, 1) +#define MPP36_TDM0_SCSn MPP(36, 0x6, 0, 1, 1) +#define MPP36_UNUSED MPP(36, 0x3, 0, 0, 1) + + +#define MPP37_GPIO MPP(37, 0x1, 1, 1, 1) +#define MPP37_UA0_RTSn MPP(37, 0x2, 0, 1, 1) +#define MPP37_UA2_RXD MPP(37, 0x4, 1, 0, 1) +#define MPP37_SYSRST_OUTn MPP(37, 0x5, 0, 1, 1) +#define MPP37_TDM_SCLK MPP(37, 0x6, 0, 1, 1) +#define MPP37_UNUSED MPP(37, 0x3, 0, 0, 1) + + + + +#define MPP38_GPIO MPP(38, 0x1, 1, 1, 1) +#define MPP38_UA1_CTSn MPP(38, 0x2, 1, 0, 1) +#define MPP38_UA3_TXD MPP(38, 0x4, 0, 1, 1) +#define MPP38_SYSRST_OUTn MPP(38, 0x5, 0, 1, 1) +#define MPP38_TDM_SMOSI MPP(38, 0x6, 0, 1, 1) +#define MPP38_UNUSED MPP(38, 0x3, 0, 0, 1) + + + + +#define MPP39_GPIO MPP(39, 0x1, 1, 1, 1) +#define MPP39_UA1_RTSn MPP(39, 0x2, 0, 1, 1) +#define MPP39_UA3_RXD MPP(39, 0x4, 1, 0, 1) +#define MPP39_SYSRST_OUTn MPP(39, 0x5, 0, 1, 1) +#define MPP39_TDM_SMISO MPP(39, 0x6, 1, 0, 1) +#define MPP39_UNUSED MPP(39, 0x3, 0, 0, 1) + + + +#define MPP40_GPIO MPP(40, 0x1, 1, 1, 1) +#define MPP40_TDM_INTn MPP(40, 0x6, 1, 0, 1) +#define MPP40_UNUSED MPP(40, 0x0, 0, 0, 1) + + + +#define MPP41_GPIO MPP(41, 0x1, 1, 1, 1) +#define MPP41_TDM_RSTn MPP(41, 0x6, 0, 1, 1) +#define MPP41_UNUSED MPP(41, 0x0, 0, 0, 1) + + + +#define MPP42_GPIO MPP(42, 0x1, 1, 1, 1) +#define MPP42_TDM_PCLK MPP(42, 0x6, 1, 1, 1) +#define MPP42_UNUSED MPP(42, 0x0, 0, 0, 1) + + + +#define MPP43_GPIO MPP(43, 0x1, 1, 1, 1) +#define MPP43_TDM_FSYNC MPP(43, 0x6, 1, 1, 1) +#define MPP43_UNUSED MPP(43, 0x0, 0, 0, 1) + + + +#define MPP44_GPIO MPP(44, 0x1, 1, 1, 1) +#define MPP44_TDM_DRX MPP(44, 0x6, 1, 0, 1) +#define MPP44_UNUSED MPP(44, 0x0, 0, 0, 1) + + + +#define MPP45_GPIO MPP(45, 0x1, 1, 1, 1) +#define MPP45_SATA0_ACTn MPP(45, 0x3, 0, 1, 1) +#define MPP45_TDM_DRX MPP(45, 0x6, 0, 1, 1) +#define MPP45_UNUSED MPP(45, 0x0, 0, 0, 1) + + +#define MPP46_GPIO MPP(46, 0x1, 1, 1, 1) +#define MPP46_TDM_SCSn MPP(46, 0x6, 0, 1, 1) +#define MPP46_UNUSED MPP(46, 0x0, 0, 0, 1) + + +#define MPP47_GPIO MPP(47, 0x1, 1, 1, 1) +#define MPP47_UNUSED MPP(47, 0x0, 0, 0, 1) + + + +#define MPP48_GPIO MPP(48, 0x1, 1, 1, 1) +#define MPP48_SATA1_ACTn MPP(48, 0x3, 0, 1, 1) +#define MPP48_UNUSED MPP(48, 0x2, 0, 0, 1) + + + +#define MPP49_GPIO MPP(49, 0x1, 1, 1, 1) +#define MPP49_SATA0_ACTn MPP(49, 0x3, 0, 1, 1) +#define MPP49_M_BB MPP(49, 0x4, 1, 0, 1) +#define MPP49_UNUSED MPP(49, 0x2, 0, 0, 1) + + +#define MPP_MAX 49 + +void mv78xx0_mpp_conf(unsigned int *mpp_list); + +#endif |