aboutsummaryrefslogtreecommitdiff
path: root/arch/ppc
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ppc')
-rw-r--r--arch/ppc/Kconfig4
-rw-r--r--arch/ppc/mm/init.c2
-rw-r--r--arch/ppc/mm/mmu_context.c2
-rw-r--r--arch/ppc/mm/tlb.c6
-rw-r--r--arch/ppc/platforms/4xx/Kconfig2
-rw-r--r--arch/ppc/platforms/4xx/cpci405.c139
-rw-r--r--arch/ppc/platforms/4xx/cpci405.h30
7 files changed, 149 insertions, 36 deletions
diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig
index e9a8f5d1dfc..b55de4f42ae 100644
--- a/arch/ppc/Kconfig
+++ b/arch/ppc/Kconfig
@@ -40,6 +40,10 @@ config GENERIC_NVRAM
bool
default y
+config GENERIC_FIND_NEXT_BIT
+ bool
+ default y
+
config SCHED_NO_NO_OMIT_FRAME_POINTER
bool
default y
diff --git a/arch/ppc/mm/init.c b/arch/ppc/mm/init.c
index 386e000bcb7..c9bd184a295 100644
--- a/arch/ppc/mm/init.c
+++ b/arch/ppc/mm/init.c
@@ -583,7 +583,7 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address,
mm = (address < TASK_SIZE)? vma->vm_mm: &init_mm;
pmd = pmd_offset(pgd_offset(mm, address), address);
if (!pmd_none(*pmd))
- add_hash_page(mm->context, address, pmd_val(*pmd));
+ add_hash_page(mm->context.id, address, pmd_val(*pmd));
}
#endif
}
diff --git a/arch/ppc/mm/mmu_context.c b/arch/ppc/mm/mmu_context.c
index b4a4b3f02a1..8784f371503 100644
--- a/arch/ppc/mm/mmu_context.c
+++ b/arch/ppc/mm/mmu_context.c
@@ -30,7 +30,7 @@
#include <asm/mmu_context.h>
#include <asm/tlbflush.h>
-mm_context_t next_mmu_context;
+unsigned long next_mmu_context;
unsigned long context_map[LAST_CONTEXT / BITS_PER_LONG + 1];
#ifdef FEW_CONTEXTS
atomic_t nr_free_contexts;
diff --git a/arch/ppc/mm/tlb.c b/arch/ppc/mm/tlb.c
index 6c3dc3c44c8..606b023196a 100644
--- a/arch/ppc/mm/tlb.c
+++ b/arch/ppc/mm/tlb.c
@@ -42,7 +42,7 @@ void flush_hash_entry(struct mm_struct *mm, pte_t *ptep, unsigned long addr)
if (Hash != 0) {
ptephys = __pa(ptep) & PAGE_MASK;
- flush_hash_pages(mm->context, addr, ptephys, 1);
+ flush_hash_pages(mm->context.id, addr, ptephys, 1);
}
}
@@ -102,7 +102,7 @@ static void flush_range(struct mm_struct *mm, unsigned long start,
pmd_t *pmd;
unsigned long pmd_end;
int count;
- unsigned int ctx = mm->context;
+ unsigned int ctx = mm->context.id;
if (Hash == 0) {
_tlbia();
@@ -166,7 +166,7 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr)
mm = (vmaddr < TASK_SIZE)? vma->vm_mm: &init_mm;
pmd = pmd_offset(pgd_offset(mm, vmaddr), vmaddr);
if (!pmd_none(*pmd))
- flush_hash_pages(mm->context, vmaddr, pmd_val(*pmd), 1);
+ flush_hash_pages(mm->context.id, vmaddr, pmd_val(*pmd), 1);
FINISH_FLUSH;
}
diff --git a/arch/ppc/platforms/4xx/Kconfig b/arch/ppc/platforms/4xx/Kconfig
index 174ddbc9758..293bd489e7d 100644
--- a/arch/ppc/platforms/4xx/Kconfig
+++ b/arch/ppc/platforms/4xx/Kconfig
@@ -183,7 +183,7 @@ config IBM_EMAC4
config BIOS_FIXUP
bool
- depends on BUBINGA || EP405 || SYCAMORE || WALNUT
+ depends on BUBINGA || EP405 || SYCAMORE || WALNUT || CPCI405
default y
# OAK doesn't exist but wanted to keep this around for any future 403GCX boards
diff --git a/arch/ppc/platforms/4xx/cpci405.c b/arch/ppc/platforms/4xx/cpci405.c
index 6571e39fbe4..970b69831e6 100644
--- a/arch/ppc/platforms/4xx/cpci405.c
+++ b/arch/ppc/platforms/4xx/cpci405.c
@@ -1,10 +1,12 @@
/*
* Board setup routines for the esd CPCI-405 cPCI Board.
*
- * Author: Stefan Roese
- * stefan.roese@esd-electronics.com
+ * Copyright 2001-2006 esd electronic system design - hannover germany
*
- * Copyright 2001 esd electronic system design - hannover germany
+ * Authors: Matthias Fuchs
+ * matthias.fuchs@esd-electronics.com
+ * Stefan Roese
+ * stefan.roese@esd-electronics.com
*
* 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
@@ -20,9 +22,17 @@
#include <asm/pci-bridge.h>
#include <asm/machdep.h>
#include <asm/todc.h>
+#include <linux/serial.h>
+#include <linux/serial_core.h>
#include <asm/ocp.h>
+#include <asm/ibm_ocp_pci.h>
+#include <platforms/4xx/ibm405gp.h>
+#ifdef CONFIG_GEN_RTC
void *cpci405_nvram;
+#endif
+
+extern bd_t __res;
/*
* Some IRQs unique to CPCI-405.
@@ -36,18 +46,69 @@ ppc405_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
* A B C D
*/
{
- {28, 28, 28, 28}, /* IDSEL 15 - cPCI slot 8 */
- {29, 29, 29, 29}, /* IDSEL 16 - cPCI slot 7 */
- {30, 30, 30, 30}, /* IDSEL 17 - cPCI slot 6 */
- {27, 27, 27, 27}, /* IDSEL 18 - cPCI slot 5 */
- {28, 28, 28, 28}, /* IDSEL 19 - cPCI slot 4 */
- {29, 29, 29, 29}, /* IDSEL 20 - cPCI slot 3 */
- {30, 30, 30, 30}, /* IDSEL 21 - cPCI slot 2 */
+ {28, 29, 30, 27}, /* IDSEL 15 - cPCI slot 8 */
+ {29, 30, 27, 28}, /* IDSEL 16 - cPCI slot 7 */
+ {30, 27, 28, 29}, /* IDSEL 17 - cPCI slot 6 */
+ {27, 28, 29, 30}, /* IDSEL 18 - cPCI slot 5 */
+ {28, 29, 30, 27}, /* IDSEL 19 - cPCI slot 4 */
+ {29, 30, 27, 28}, /* IDSEL 20 - cPCI slot 3 */
+ {30, 27, 28, 29}, /* IDSEL 21 - cPCI slot 2 */
};
const long min_idsel = 15, max_idsel = 21, irqs_per_slot = 4;
return PCI_IRQ_TABLE_LOOKUP;
};
+/* The serial clock for the chip is an internal clock determined by
+ * different clock speeds/dividers.
+ * Calculate the proper input baud rate and setup the serial driver.
+ */
+static void __init
+cpci405_early_serial_map(void)
+{
+ u32 uart_div;
+ int uart_clock;
+ struct uart_port port;
+
+ /* Calculate the serial clock input frequency
+ *
+ * The uart clock is the cpu frequency (provided in the board info
+ * structure) divided by the external UART Divisor.
+ */
+ uart_div = ((mfdcr(DCRN_CHCR_BASE) & CHR0_UDIV) >> 1) + 1;
+ uart_clock = __res.bi_procfreq / uart_div;
+
+ /* Setup serial port access */
+ memset(&port, 0, sizeof(port));
+#if defined(CONFIG_UART0_TTYS0)
+ port.membase = (void*)UART0_IO_BASE;
+ port.irq = UART0_INT;
+#else
+ port.membase = (void*)UART1_IO_BASE;
+ port.irq = UART1_INT;
+#endif
+ port.uartclk = uart_clock;
+ port.regshift = 0;
+ port.iotype = UPIO_MEM;
+ port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
+ port.line = 0;
+
+ if (early_serial_setup(&port) != 0) {
+ printk("Early serial init of port 0 failed\n");
+ }
+#if defined(CONFIG_UART0_TTYS0)
+ port.membase = (void*)UART1_IO_BASE;
+ port.irq = UART1_INT;
+#else
+ port.membase = (void*)UART0_IO_BASE;
+ port.irq = UART0_INT;
+#endif
+ port.line = 1;
+
+ if (early_serial_setup(&port) != 0) {
+ printk("Early serial init of port 1 failed\n");
+ }
+}
+
void __init
cpci405_setup_arch(void)
{
@@ -55,14 +116,68 @@ cpci405_setup_arch(void)
ibm_ocp_set_emac(0, 0);
- TODC_INIT(TODC_TYPE_MK48T35, cpci405_nvram, cpci405_nvram, cpci405_nvram, 8);
+ cpci405_early_serial_map();
+
+#ifdef CONFIG_GEN_RTC
+ TODC_INIT(TODC_TYPE_MK48T35,
+ cpci405_nvram, cpci405_nvram, cpci405_nvram, 8);
+#endif
+}
+
+void __init
+bios_fixup(struct pci_controller *hose, struct pcil0_regs *pcip)
+{
+ unsigned int bar_response, bar;
+
+ /* Disable region first */
+ out_le32((void *) &(pcip->pmm[0].ma), 0x00000000);
+ /* PLB starting addr, PCI: 0x80000000 */
+ out_le32((void *) &(pcip->pmm[0].la), 0x80000000);
+ /* PCI start addr, 0x80000000 */
+ out_le32((void *) &(pcip->pmm[0].pcila), PPC405_PCI_MEM_BASE);
+ /* 512MB range of PLB to PCI */
+ out_le32((void *) &(pcip->pmm[0].pciha), 0x00000000);
+ /* Enable no pre-fetch, enable region */
+ out_le32((void *) &(pcip->pmm[0].ma), ((0xffffffff -
+ (PPC405_PCI_UPPER_MEM -
+ PPC405_PCI_MEM_BASE)) | 0x01));
+
+ /* Disable region one */
+ out_le32((void *) &(pcip->pmm[1].ma), 0x00000000);
+ out_le32((void *) &(pcip->pmm[1].la), 0x00000000);
+ out_le32((void *) &(pcip->pmm[1].pcila), 0x00000000);
+ out_le32((void *) &(pcip->pmm[1].pciha), 0x00000000);
+ out_le32((void *) &(pcip->pmm[1].ma), 0x00000000);
+ out_le32((void *) &(pcip->ptm1ms), 0x00000001);
+
+ /* Disable region two */
+ out_le32((void *) &(pcip->pmm[2].ma), 0x00000000);
+ out_le32((void *) &(pcip->pmm[2].la), 0x00000000);
+ out_le32((void *) &(pcip->pmm[2].pcila), 0x00000000);
+ out_le32((void *) &(pcip->pmm[2].pciha), 0x00000000);
+ out_le32((void *) &(pcip->pmm[2].ma), 0x00000000);
+ out_le32((void *) &(pcip->ptm2ms), 0x00000000);
+ out_le32((void *) &(pcip->ptm2la), 0x00000000);
+
+ /* Zero config bars */
+ for (bar = PCI_BASE_ADDRESS_1; bar <= PCI_BASE_ADDRESS_2; bar += 4) {
+ early_write_config_dword(hose, hose->first_busno,
+ PCI_FUNC(hose->first_busno), bar,
+ 0x00000000);
+ early_read_config_dword(hose, hose->first_busno,
+ PCI_FUNC(hose->first_busno), bar,
+ &bar_response);
+ }
}
void __init
cpci405_map_io(void)
{
ppc4xx_map_io();
+
+#ifdef CONFIG_GEN_RTC
cpci405_nvram = ioremap(CPCI405_NVRAM_PADDR, CPCI405_NVRAM_SIZE);
+#endif
}
void __init
@@ -74,9 +189,11 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
ppc_md.setup_arch = cpci405_setup_arch;
ppc_md.setup_io_mappings = cpci405_map_io;
+#ifdef CONFIG_GEN_RTC
ppc_md.time_init = todc_time_init;
ppc_md.set_rtc_time = todc_set_rtc_time;
ppc_md.get_rtc_time = todc_get_rtc_time;
ppc_md.nvram_read_val = todc_direct_read_val;
ppc_md.nvram_write_val = todc_direct_write_val;
+#endif
}
diff --git a/arch/ppc/platforms/4xx/cpci405.h b/arch/ppc/platforms/4xx/cpci405.h
index e27f7cb650d..f5a5c0cd062 100644
--- a/arch/ppc/platforms/4xx/cpci405.h
+++ b/arch/ppc/platforms/4xx/cpci405.h
@@ -1,37 +1,29 @@
/*
* CPCI-405 board specific definitions
*
- * Copyright (c) 2001 Stefan Roese (stefan.roese@esd-electronics.com)
+ * Copyright 2001-2006 esd electronic system design - hannover germany
+ *
+ * Authors: Matthias Fuchs
+ * matthias.fuchs@esd-electronics.com
+ * Stefan Roese
+ * stefan.roese@esd-electronics.com
*/
#ifdef __KERNEL__
-#ifndef __ASM_CPCI405_H__
-#define __ASM_CPCI405_H__
+#ifndef __CPCI405_H__
+#define __CPCI405_H__
#include <linux/config.h>
-
-/* We have a 405GP core */
#include <platforms/4xx/ibm405gp.h>
-
#include <asm/ppcboot.h>
-#ifndef __ASSEMBLY__
-/* Some 4xx parts use a different timebase frequency from the internal clock.
-*/
-#define bi_tbfreq bi_intfreq
-
/* Map for the NVRAM space */
#define CPCI405_NVRAM_PADDR ((uint)0xf0200000)
#define CPCI405_NVRAM_SIZE ((uint)32*1024)
-#ifdef CONFIG_PPC405GP_INTERNAL_CLOCK
-#define BASE_BAUD 201600
-#else
-#define BASE_BAUD 691200
-#endif
+#define BASE_BAUD 0
-#define PPC4xx_MACHINE_NAME "esd CPCI-405"
+#define PPC4xx_MACHINE_NAME "esd CPCI-405"
-#endif /* !__ASSEMBLY__ */
-#endif /* __ASM_CPCI405_H__ */
+#endif /* __CPCI405_H__ */
#endif /* __KERNEL__ */
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-22 17:41:26 +0000