From 11c146cc19df337f4af42dade9e4fca33c5a54ee Mon Sep 17 00:00:00 2001 From: Scott Wood Date: Fri, 14 Sep 2007 14:58:25 -0500 Subject: [POWERPC] 8xx/wrapper: Embedded Planet EP88xC support This board is also resold by Freescale under the names "QUICCStart MPC885 Evaluation System" and "CWH-PPC-885XN-VE". Signed-off-by: Scott Wood Signed-off-by: Kumar Gala --- arch/powerpc/platforms/8xx/Kconfig | 10 ++ arch/powerpc/platforms/8xx/Makefile | 1 + arch/powerpc/platforms/8xx/ep88xc.c | 176 ++++++++++++++++++++++++++++++++++++ 3 files changed, 187 insertions(+) create mode 100644 arch/powerpc/platforms/8xx/ep88xc.c (limited to 'arch/powerpc/platforms/8xx') diff --git a/arch/powerpc/platforms/8xx/Kconfig b/arch/powerpc/platforms/8xx/Kconfig index 0d4ff0ae074..bd28655043a 100644 --- a/arch/powerpc/platforms/8xx/Kconfig +++ b/arch/powerpc/platforms/8xx/Kconfig @@ -33,6 +33,16 @@ config MPC885ADS The MPC885ADS is meant to serve as a platform for s/w and h/w development around the MPC885 processor family. +config PPC_EP88XC + bool "Embedded Planet EP88xC (a.k.a. CWH-PPC-885XN-VE)" + select CPM1 + select PPC_CPM_NEW_BINDING + help + This enables support for the Embedded Planet EP88xC board. + + This board is also resold by Freescale as the QUICCStart + MPC885 Evaluation System and/or the CWH-PPC-885XN-VE. + endchoice menu "Freescale Ethernet driver platform-specific options" diff --git a/arch/powerpc/platforms/8xx/Makefile b/arch/powerpc/platforms/8xx/Makefile index 5e2dae3afd2..8b7098018b5 100644 --- a/arch/powerpc/platforms/8xx/Makefile +++ b/arch/powerpc/platforms/8xx/Makefile @@ -4,3 +4,4 @@ obj-$(CONFIG_PPC_8xx) += m8xx_setup.o obj-$(CONFIG_MPC885ADS) += mpc885ads_setup.o obj-$(CONFIG_MPC86XADS) += mpc86xads_setup.o +obj-$(CONFIG_PPC_EP88XC) += ep88xc.o diff --git a/arch/powerpc/platforms/8xx/ep88xc.c b/arch/powerpc/platforms/8xx/ep88xc.c new file mode 100644 index 00000000000..c518b6cc5fa --- /dev/null +++ b/arch/powerpc/platforms/8xx/ep88xc.c @@ -0,0 +1,176 @@ +/* + * Platform setup for the Embedded Planet EP88xC board + * + * Author: Scott Wood + * Copyright 2007 Freescale Semiconductor, Inc. + * + * 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 +#include + +#include +#include +#include +#include + +#include + +struct cpm_pin { + int port, pin, flags; +}; + +static struct cpm_pin ep88xc_pins[] = { + /* SMC1 */ + {1, 24, CPM_PIN_INPUT}, /* RX */ + {1, 25, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */ + + /* SCC2 */ + {0, 12, CPM_PIN_INPUT}, /* TX */ + {0, 13, CPM_PIN_INPUT}, /* RX */ + {2, 8, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO}, /* CD */ + {2, 9, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO}, /* CTS */ + {2, 14, CPM_PIN_INPUT}, /* RTS */ + + /* MII1 */ + {0, 0, CPM_PIN_INPUT}, + {0, 1, CPM_PIN_INPUT}, + {0, 2, CPM_PIN_INPUT}, + {0, 3, CPM_PIN_INPUT}, + {0, 4, CPM_PIN_OUTPUT}, + {0, 10, CPM_PIN_OUTPUT}, + {0, 11, CPM_PIN_OUTPUT}, + {1, 19, CPM_PIN_INPUT}, + {1, 31, CPM_PIN_INPUT}, + {2, 12, CPM_PIN_INPUT}, + {2, 13, CPM_PIN_INPUT}, + {3, 8, CPM_PIN_INPUT}, + {4, 30, CPM_PIN_OUTPUT}, + {4, 31, CPM_PIN_OUTPUT}, + + /* MII2 */ + {4, 14, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, + {4, 15, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, + {4, 16, CPM_PIN_OUTPUT}, + {4, 17, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, + {4, 18, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, + {4, 19, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, + {4, 20, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, + {4, 21, CPM_PIN_OUTPUT}, + {4, 22, CPM_PIN_OUTPUT}, + {4, 23, CPM_PIN_OUTPUT}, + {4, 24, CPM_PIN_OUTPUT}, + {4, 25, CPM_PIN_OUTPUT}, + {4, 26, CPM_PIN_OUTPUT}, + {4, 27, CPM_PIN_OUTPUT}, + {4, 28, CPM_PIN_OUTPUT}, + {4, 29, CPM_PIN_OUTPUT}, + + /* USB */ + {0, 6, CPM_PIN_INPUT}, /* CLK2 */ + {0, 14, CPM_PIN_INPUT}, /* USBOE */ + {0, 15, CPM_PIN_INPUT}, /* USBRXD */ + {2, 6, CPM_PIN_OUTPUT}, /* USBTXN */ + {2, 7, CPM_PIN_OUTPUT}, /* USBTXP */ + {2, 10, CPM_PIN_INPUT}, /* USBRXN */ + {2, 11, CPM_PIN_INPUT}, /* USBRXP */ + + /* Misc */ + {1, 26, CPM_PIN_INPUT}, /* BRGO2 */ + {1, 27, CPM_PIN_INPUT}, /* BRGO1 */ +}; + +static void __init init_ioports(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ep88xc_pins); i++) { + struct cpm_pin *pin = &ep88xc_pins[i]; + cpm1_set_pin(pin->port, pin->pin, pin->flags); + } + + cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX); + cpm1_clk_setup(CPM_CLK_SCC1, CPM_CLK2, CPM_CLK_TX); /* USB */ + cpm1_clk_setup(CPM_CLK_SCC1, CPM_CLK2, CPM_CLK_RX); + cpm1_clk_setup(CPM_CLK_SCC2, CPM_BRG2, CPM_CLK_TX); + cpm1_clk_setup(CPM_CLK_SCC2, CPM_BRG2, CPM_CLK_RX); +} + +static u8 __iomem *ep88xc_bcsr; + +#define BCSR7_SCC2_ENABLE 0x10 + +#define BCSR8_PHY1_ENABLE 0x80 +#define BCSR8_PHY1_POWER 0x40 +#define BCSR8_PHY2_ENABLE 0x20 +#define BCSR8_PHY2_POWER 0x10 + +#define BCSR9_USB_ENABLE 0x80 +#define BCSR9_USB_POWER 0x40 +#define BCSR9_USB_HOST 0x20 +#define BCSR9_USB_FULL_SPEED_TARGET 0x10 + +static void __init ep88xc_setup_arch(void) +{ + struct device_node *np; + + cpm_reset(); + init_ioports(); + + np = of_find_compatible_node(NULL, NULL, "fsl,ep88xc-bcsr"); + if (!np) { + printk(KERN_CRIT "Could not find fsl,ep88xc-bcsr node\n"); + return; + } + + ep88xc_bcsr = of_iomap(np, 0); + of_node_put(np); + + if (!ep88xc_bcsr) { + printk(KERN_CRIT "Could not remap BCSR\n"); + return; + } + + setbits8(&ep88xc_bcsr[7], BCSR7_SCC2_ENABLE); + setbits8(&ep88xc_bcsr[8], BCSR8_PHY1_ENABLE | BCSR8_PHY1_POWER | + BCSR8_PHY2_ENABLE | BCSR8_PHY2_POWER); +} + +static int __init ep88xc_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + return of_flat_dt_is_compatible(root, "fsl,ep88xc"); +} + +static struct of_device_id __initdata of_bus_ids[] = { + { .name = "soc", }, + { .name = "cpm", }, + { .name = "localbus", }, + {}, +}; + +static int __init declare_of_platform_devices(void) +{ + /* Publish the QE devices */ + if (machine_is(ep88xc)) + of_platform_bus_probe(NULL, of_bus_ids, NULL); + + return 0; +} +device_initcall(declare_of_platform_devices); + +define_machine(ep88xc) { + .name = "Embedded Planet EP88xC", + .probe = ep88xc_probe, + .setup_arch = ep88xc_setup_arch, + .init_IRQ = m8xx_pic_init, + .get_irq = mpc8xx_get_irq, + .restart = mpc8xx_restart, + .calibrate_decr = mpc8xx_calibrate_decr, + .set_rtc_time = mpc8xx_set_rtc_time, + .get_rtc_time = mpc8xx_get_rtc_time, + .progress = udbg_progress, +}; -- cgit v1.2.3