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authorRoland Dreier <rolandd@cisco.com>2005-11-07 00:58:13 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-07 07:53:26 -0800
commitb0f7b8bc57ee90138a7c429951457027a90c326f (patch)
tree07f320bf7d240273faf64d02069488fb29761ae8 /arch/ppc/platforms/4xx
parent41aace4fe81e3da52fa80b8380e5d2d084f77691 (diff)
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[PATCH] ppc32: Add 440SPe support
Add support for the AMCC PowerPC 440SPe SoC, including PCI Express in root port mode. Signed-off-by: Roland Dreier <rolandd@cisco.com> Cc: Matt Porter <mporter@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/ppc/platforms/4xx')
-rw-r--r--arch/ppc/platforms/4xx/Kconfig8
-rw-r--r--arch/ppc/platforms/4xx/Makefile1
-rw-r--r--arch/ppc/platforms/4xx/ppc440spe.c148
-rw-r--r--arch/ppc/platforms/4xx/ppc440spe.h66
4 files changed, 221 insertions, 2 deletions
diff --git a/arch/ppc/platforms/4xx/Kconfig b/arch/ppc/platforms/4xx/Kconfig
index 76f4476..108d5a7 100644
--- a/arch/ppc/platforms/4xx/Kconfig
+++ b/arch/ppc/platforms/4xx/Kconfig
@@ -124,9 +124,13 @@ config 440SP
depends on LUAN
default y
+config 440SPE
+ bool
+ default n
+
config 440
bool
- depends on 440GP || 440SP || 440EP
+ depends on 440GP || 440SP || 440SPE || 440EP
default y
config 440A
@@ -168,7 +172,7 @@ config XILINX_OCP
config IBM_EMAC4
bool
- depends on 440GX || 440SP
+ depends on 440GX || 440SP || 440SPE
default y
config BIOS_FIXUP
diff --git a/arch/ppc/platforms/4xx/Makefile b/arch/ppc/platforms/4xx/Makefile
index 1dd6d7f..694accd 100644
--- a/arch/ppc/platforms/4xx/Makefile
+++ b/arch/ppc/platforms/4xx/Makefile
@@ -22,6 +22,7 @@ obj-$(CONFIG_440EP) += ibm440ep.o
obj-$(CONFIG_440GP) += ibm440gp.o
obj-$(CONFIG_440GX) += ibm440gx.o
obj-$(CONFIG_440SP) += ibm440sp.o
+obj-$(CONFIG_440SPE) += ppc440spe.o
obj-$(CONFIG_405EP) += ibm405ep.o
obj-$(CONFIG_405GPR) += ibm405gpr.o
obj-$(CONFIG_VIRTEX_II_PRO) += virtex-ii_pro.o
diff --git a/arch/ppc/platforms/4xx/ppc440spe.c b/arch/ppc/platforms/4xx/ppc440spe.c
new file mode 100644
index 0000000..6139a0b
--- /dev/null
+++ b/arch/ppc/platforms/4xx/ppc440spe.c
@@ -0,0 +1,148 @@
+/*
+ * arch/ppc/platforms/4xx/ppc440spe.c
+ *
+ * PPC440SPe I/O descriptions
+ *
+ * Roland Dreier <rolandd@cisco.com>
+ * Copyright (c) 2005 Cisco Systems. All rights reserved.
+ *
+ * Matt Porter <mporter@kernel.crashing.org>
+ * Copyright 2002-2005 MontaVista Software Inc.
+ *
+ * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
+ * Copyright (c) 2003, 2004 Zultys Technologies
+ *
+ * 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; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <platforms/4xx/ppc440spe.h>
+#include <asm/ocp.h>
+#include <asm/ppc4xx_pic.h>
+
+static struct ocp_func_emac_data ppc440spe_emac0_def = {
+ .rgmii_idx = -1, /* No RGMII */
+ .rgmii_mux = -1, /* No RGMII */
+ .zmii_idx = -1, /* No ZMII */
+ .zmii_mux = -1, /* No ZMII */
+ .mal_idx = 0, /* MAL device index */
+ .mal_rx_chan = 0, /* MAL rx channel number */
+ .mal_tx_chan = 0, /* MAL tx channel number */
+ .wol_irq = 61, /* WOL interrupt number */
+ .mdio_idx = -1, /* No shared MDIO */
+ .tah_idx = -1, /* No TAH */
+};
+OCP_SYSFS_EMAC_DATA()
+
+static struct ocp_func_mal_data ppc440spe_mal0_def = {
+ .num_tx_chans = 1, /* Number of TX channels */
+ .num_rx_chans = 1, /* Number of RX channels */
+ .txeob_irq = 38, /* TX End Of Buffer IRQ */
+ .rxeob_irq = 39, /* RX End Of Buffer IRQ */
+ .txde_irq = 34, /* TX Descriptor Error IRQ */
+ .rxde_irq = 35, /* RX Descriptor Error IRQ */
+ .serr_irq = 33, /* MAL System Error IRQ */
+ .dcr_base = DCRN_MAL_BASE /* MAL0_CFG DCR number */
+};
+OCP_SYSFS_MAL_DATA()
+
+static struct ocp_func_iic_data ppc440spe_iic0_def = {
+ .fast_mode = 0, /* Use standad mode (100Khz) */
+};
+
+static struct ocp_func_iic_data ppc440spe_iic1_def = {
+ .fast_mode = 0, /* Use standad mode (100Khz) */
+};
+OCP_SYSFS_IIC_DATA()
+
+struct ocp_def core_ocp[] = {
+ { .vendor = OCP_VENDOR_IBM,
+ .function = OCP_FUNC_16550,
+ .index = 0,
+ .paddr = PPC440SPE_UART0_ADDR,
+ .irq = UART0_INT,
+ .pm = IBM_CPM_UART0,
+ },
+ { .vendor = OCP_VENDOR_IBM,
+ .function = OCP_FUNC_16550,
+ .index = 1,
+ .paddr = PPC440SPE_UART1_ADDR,
+ .irq = UART1_INT,
+ .pm = IBM_CPM_UART1,
+ },
+ { .vendor = OCP_VENDOR_IBM,
+ .function = OCP_FUNC_16550,
+ .index = 2,
+ .paddr = PPC440SPE_UART2_ADDR,
+ .irq = UART2_INT,
+ .pm = IBM_CPM_UART2,
+ },
+ { .vendor = OCP_VENDOR_IBM,
+ .function = OCP_FUNC_IIC,
+ .index = 0,
+ .paddr = 0x00000004f0000400ULL,
+ .irq = 2,
+ .pm = IBM_CPM_IIC0,
+ .additions = &ppc440spe_iic0_def,
+ .show = &ocp_show_iic_data
+ },
+ { .vendor = OCP_VENDOR_IBM,
+ .function = OCP_FUNC_IIC,
+ .index = 1,
+ .paddr = 0x00000004f0000500ULL,
+ .irq = 3,
+ .pm = IBM_CPM_IIC1,
+ .additions = &ppc440spe_iic1_def,
+ .show = &ocp_show_iic_data
+ },
+ { .vendor = OCP_VENDOR_IBM,
+ .function = OCP_FUNC_GPIO,
+ .index = 0,
+ .paddr = 0x00000004f0000700ULL,
+ .irq = OCP_IRQ_NA,
+ .pm = IBM_CPM_GPIO0,
+ },
+ { .vendor = OCP_VENDOR_IBM,
+ .function = OCP_FUNC_MAL,
+ .paddr = OCP_PADDR_NA,
+ .irq = OCP_IRQ_NA,
+ .pm = OCP_CPM_NA,
+ .additions = &ppc440spe_mal0_def,
+ .show = &ocp_show_mal_data,
+ },
+ { .vendor = OCP_VENDOR_IBM,
+ .function = OCP_FUNC_EMAC,
+ .index = 0,
+ .paddr = 0x00000004f0000800ULL,
+ .irq = 60,
+ .pm = OCP_CPM_NA,
+ .additions = &ppc440spe_emac0_def,
+ .show = &ocp_show_emac_data,
+ },
+ { .vendor = OCP_VENDOR_INVALID
+ }
+};
+
+/* Polarity and triggering settings for internal interrupt sources */
+struct ppc4xx_uic_settings ppc4xx_core_uic_cfg[] __initdata = {
+ { .polarity = 0xffffffff,
+ .triggering = 0x010f0004,
+ .ext_irq_mask = 0x00000000,
+ },
+ { .polarity = 0xffffffff,
+ .triggering = 0x001f8040,
+ .ext_irq_mask = 0x00007c30, /* IRQ6 - IRQ7, IRQ8 - IRQ12 */
+ },
+ { .polarity = 0xffffffff,
+ .triggering = 0x00000000,
+ .ext_irq_mask = 0x000000fc, /* IRQ0 - IRQ5 */
+ },
+ { .polarity = 0xffffffff,
+ .triggering = 0x00000000,
+ .ext_irq_mask = 0x00000000,
+ },
+};
diff --git a/arch/ppc/platforms/4xx/ppc440spe.h b/arch/ppc/platforms/4xx/ppc440spe.h
new file mode 100644
index 0000000..2216846
--- /dev/null
+++ b/arch/ppc/platforms/4xx/ppc440spe.h
@@ -0,0 +1,66 @@
+/*
+ * arch/ppc/platforms/4xx/ibm440spe.h
+ *
+ * PPC440SPe definitions
+ *
+ * Roland Dreier <rolandd@cisco.com>
+ * Copyright (c) 2005 Cisco Systems. All rights reserved.
+ *
+ * Matt Porter <mporter@kernel.crashing.org>
+ * Copyright 2004-2005 MontaVista Software, 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; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifdef __KERNEL__
+#ifndef __PPC_PLATFORMS_PPC440SPE_H
+#define __PPC_PLATFORMS_PPC440SPE_H
+
+#include <linux/config.h>
+
+#include <asm/ibm44x.h>
+
+/* UART */
+#define PPC440SPE_UART0_ADDR 0x00000004f0000200ULL
+#define PPC440SPE_UART1_ADDR 0x00000004f0000300ULL
+#define PPC440SPE_UART2_ADDR 0x00000004f0000600ULL
+#define UART0_INT 0
+#define UART1_INT 1
+#define UART2_INT 37
+
+/* Clock and Power Management */
+#define IBM_CPM_IIC0 0x80000000 /* IIC interface */
+#define IBM_CPM_IIC1 0x40000000 /* IIC interface */
+#define IBM_CPM_PCI 0x20000000 /* PCI bridge */
+#define IBM_CPM_CPU 0x02000000 /* processor core */
+#define IBM_CPM_DMA 0x01000000 /* DMA controller */
+#define IBM_CPM_BGO 0x00800000 /* PLB to OPB bus arbiter */
+#define IBM_CPM_BGI 0x00400000 /* OPB to PLB bridge */
+#define IBM_CPM_EBC 0x00200000 /* External Bux Controller */
+#define IBM_CPM_EBM 0x00100000 /* Ext Bus Master Interface */
+#define IBM_CPM_DMC 0x00080000 /* SDRAM peripheral controller */
+#define IBM_CPM_PLB 0x00040000 /* PLB bus arbiter */
+#define IBM_CPM_SRAM 0x00020000 /* SRAM memory controller */
+#define IBM_CPM_PPM 0x00002000 /* PLB Performance Monitor */
+#define IBM_CPM_UIC1 0x00001000 /* Universal Interrupt Controller */
+#define IBM_CPM_GPIO0 0x00000800 /* General Purpose IO (??) */
+#define IBM_CPM_GPT 0x00000400 /* General Purpose Timers */
+#define IBM_CPM_UART0 0x00000200 /* serial port 0 */
+#define IBM_CPM_UART1 0x00000100 /* serial port 1 */
+#define IBM_CPM_UART2 0x00000100 /* serial port 1 */
+#define IBM_CPM_UIC0 0x00000080 /* Universal Interrupt Controller */
+#define IBM_CPM_TMRCLK 0x00000040 /* CPU timers */
+#define IBM_CPM_EMAC0 0x00000020 /* EMAC 0 */
+
+#define DFLT_IBM4xx_PM ~(IBM_CPM_UIC | IBM_CPM_UIC1 | IBM_CPM_CPU \
+ | IBM_CPM_EBC | IBM_CPM_SRAM | IBM_CPM_BGO \
+ | IBM_CPM_EBM | IBM_CPM_PLB | IBM_CPM_OPB \
+ | IBM_CPM_TMRCLK | IBM_CPM_DMA | IBM_CPM_PCI \
+ | IBM_CPM_TAHOE0 | IBM_CPM_TAHOE1 \
+ | IBM_CPM_EMAC0 | IBM_CPM_EMAC1 \
+ | IBM_CPM_EMAC2 | IBM_CPM_EMAC3 )
+#endif /* __PPC_PLATFORMS_PPC440SP_H */
+#endif /* __KERNEL__ */