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* [PATCH v2 1/2] ARM: pxa: add pxa25x support
@ 2015-01-31 13:15 Robert Jarzmik
  2015-01-31 13:15 ` [PATCH v2 2/2] ARM: pxa: add lubbock board support Robert Jarzmik
  2015-02-02  9:17 ` [PATCH v2 1/2] ARM: pxa: add pxa25x support Sascha Hauer
  0 siblings, 2 replies; 3+ messages in thread
From: Robert Jarzmik @ 2015-01-31 13:15 UTC (permalink / raw)
  To: barebox

Add support for the PXA25X SoC family, the oldest of the PXA serie.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
---
 arch/arm/mach-pxa/Kconfig                    | 21 +++++++++++
 arch/arm/mach-pxa/Makefile                   |  1 +
 arch/arm/mach-pxa/include/mach/pxa-regs.h    |  2 ++
 arch/arm/mach-pxa/include/mach/pxa25x-regs.h |  6 ++++
 arch/arm/mach-pxa/include/mach/pxa2xx-regs.h |  1 +
 arch/arm/mach-pxa/mfp-pxa2xx.c               |  4 ++-
 arch/arm/mach-pxa/sleep.S                    |  2 +-
 arch/arm/mach-pxa/speed-pxa25x.c             | 54 ++++++++++++++++++++++++++++
 8 files changed, 89 insertions(+), 2 deletions(-)
 create mode 100644 arch/arm/mach-pxa/include/mach/pxa25x-regs.h
 create mode 100644 arch/arm/mach-pxa/speed-pxa25x.c

diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index b36e720..a45e01a 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -22,6 +22,10 @@ config ARCH_PXA310
 choice
 	prompt "Intel/Marvell PXA Processor"
 
+config ARCH_PXA25X
+	bool "PXA25x"
+	select ARCH_PXA2XX
+
 config ARCH_PXA27X
 	bool "PXA27x"
 	select ARCH_PXA2XX
@@ -33,6 +37,23 @@ endchoice
 
 # ----------------------------------------------------------
 
+if ARCH_PXA25X
+
+choice
+	prompt "PXA25x Board Type"
+	bool
+
+config MACH_LUBBOCK
+	bool "Lubbock board"
+	select PWM
+	help
+	  Say Y here if you are using a Lubbock board
+endchoice
+
+endif
+
+# ----------------------------------------------------------
+
 if ARCH_PXA27X
 
 choice
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index e5ffe06..0c32198 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -5,5 +5,6 @@ obj-y += devices.o
 obj-y += sleep.o
 
 obj-$(CONFIG_ARCH_PXA2XX) += mfp-pxa2xx.o pxa2xx.o
+obj-$(CONFIG_ARCH_PXA25X) += speed-pxa25x.o
 obj-$(CONFIG_ARCH_PXA27X) += speed-pxa27x.o
 obj-$(CONFIG_ARCH_PXA3XX) += speed-pxa3xx.o mfp-pxa3xx.o pxa3xx.o
diff --git a/arch/arm/mach-pxa/include/mach/pxa-regs.h b/arch/arm/mach-pxa/include/mach/pxa-regs.h
index 5203d88..9bcb5ef 100644
--- a/arch/arm/mach-pxa/include/mach/pxa-regs.h
+++ b/arch/arm/mach-pxa/include/mach/pxa-regs.h
@@ -28,6 +28,8 @@
 # include <mach/pxa27x-regs.h>
 #elif defined(CONFIG_ARCH_PXA3XX)
 # include <mach/pxa3xx-regs.h>
+#elif defined(CONFIG_ARCH_PXA25X)
+# include <mach/pxa25x-regs.h>
 #else
 # error "unknown PXA soc type"
 #endif
diff --git a/arch/arm/mach-pxa/include/mach/pxa25x-regs.h b/arch/arm/mach-pxa/include/mach/pxa25x-regs.h
new file mode 100644
index 0000000..a7f16bd
--- /dev/null
+++ b/arch/arm/mach-pxa/include/mach/pxa25x-regs.h
@@ -0,0 +1,6 @@
+#ifndef __MACH_PXA25X_REGS
+#define __MACH_PXA25X_REGS
+
+/* this file intentionally left blank */
+
+#endif	/* !__MACH_PXA25X_REGS */
diff --git a/arch/arm/mach-pxa/include/mach/pxa2xx-regs.h b/arch/arm/mach-pxa/include/mach/pxa2xx-regs.h
index b43648e..dc7704e 100644
--- a/arch/arm/mach-pxa/include/mach/pxa2xx-regs.h
+++ b/arch/arm/mach-pxa/include/mach/pxa2xx-regs.h
@@ -53,6 +53,7 @@
 #define MECR		__REG(0x48000014)  /* Expansion Memory (PCMCIA/Compact Flash) Bus Configuration */
 #define SXLCR		__REG(0x48000018)  /* LCR value to be written to SDRAM-Timing Synchronous Flash */
 #define SXCNFG		__REG(0x4800001C)  /* Synchronous Static Memory Control Register */
+#define FLYCNFG		__REG(0x48000020)  /* Flycnfg Register */
 #define SXMRS		__REG(0x48000024)  /* MRS value to be written to Synchronous Flash or SMROM */
 #define MCMEM0		__REG(0x48000028)  /* Card interface Common Memory Space Socket 0 Timing */
 #define MCMEM1		__REG(0x4800002C)  /* Card interface Common Memory Space Socket 1 Timing */
diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.c b/arch/arm/mach-pxa/mfp-pxa2xx.c
index 4f393c4..2456cef 100644
--- a/arch/arm/mach-pxa/mfp-pxa2xx.c
+++ b/arch/arm/mach-pxa/mfp-pxa2xx.c
@@ -169,8 +169,10 @@ static int __init pxa2xx_mfp_init(void)
 	if (!cpu_is_pxa2xx())
 		return 0;
 
-	if (cpu_is_pxa25x())
+	if (cpu_is_pxa25x()) {
+		pxa_init_gpio(0, 84);
 		pxa25x_mfp_init();
+	}
 
 	if (cpu_is_pxa27x()) {
 		pxa_init_gpio(2, 120);
diff --git a/arch/arm/mach-pxa/sleep.S b/arch/arm/mach-pxa/sleep.S
index 7145f7c..1c67815 100644
--- a/arch/arm/mach-pxa/sleep.S
+++ b/arch/arm/mach-pxa/sleep.S
@@ -21,7 +21,7 @@
 #define UNCACHED_PHYS_0	0
 		.text
 
-#ifdef CONFIG_ARCH_PXA27X
+#if (defined CONFIG_ARCH_PXA27X || defined CONFIG_ARCH_PXA25X)
 /*
  * pxa27x_finish_suspend()
  *
diff --git a/arch/arm/mach-pxa/speed-pxa25x.c b/arch/arm/mach-pxa/speed-pxa25x.c
new file mode 100644
index 0000000..6914343
--- /dev/null
+++ b/arch/arm/mach-pxa/speed-pxa25x.c
@@ -0,0 +1,54 @@
+/*
+ * clock.h - implementation of the PXA clock functions
+ *
+ * Copyright (C) 2014 Robert Jarzmik <robert.jarzmik@free.fr>
+ *
+ * This file is released under the GPLv2
+ *
+ */
+
+#include <common.h>
+#include <mach/clock.h>
+#include <mach/pxa-regs.h>
+
+/* Crystal clock: 13MHz */
+#define BASE_CLK	13000000
+
+unsigned long pxa_get_uartclk(void)
+{
+	return 14857000;
+}
+
+unsigned long pxa_get_mmcclk(void)
+{
+	return 19500000;
+}
+
+/*
+ * Return the current LCD clock frequency in units of 10kHz as
+ */
+static unsigned int pxa_get_lcdclk_10khz(void)
+{
+	unsigned long ccsr;
+	unsigned int l, L, k, K;
+
+	ccsr = CCSR;
+
+	l = ccsr & 0x1f;
+	k = (l <= 7) ? 1 : (l <= 16) ? 2 : 4;
+
+	L = l * BASE_CLK;
+	K = L / k;
+
+	return (K / 10000);
+}
+
+unsigned long pxa_get_lcdclk(void)
+{
+	return pxa_get_lcdclk_10khz() * 10000;
+}
+
+unsigned long pxa_get_pwmclk(void)
+{
+	return BASE_CLK;
+}
-- 
2.1.0


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^ permalink raw reply	[flat|nested] 3+ messages in thread
* [PATCH v2 2/2] ARM: pxa: add lubbock board support
  2015-01-31 13:15 [PATCH v2 1/2] ARM: pxa: add pxa25x support Robert Jarzmik
@ 2015-01-31 13:15 ` Robert Jarzmik
  2015-02-02  9:17 ` [PATCH v2 1/2] ARM: pxa: add pxa25x support Sascha Hauer
  1 sibling, 0 replies; 3+ messages in thread
From: Robert Jarzmik @ 2015-01-31 13:15 UTC (permalink / raw)
  To: barebox

Add support for the Intel XScale PXA255 development system platform.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
---
Since v1: add env0 devices
          change sram0 (no atags)
	  remove smcs accessors
	  for smcs91111 use addr_shift and bus width
---
 arch/arm/boards/Makefile                           |   1 +
 arch/arm/boards/lubbock/Makefile                   |   2 +
 arch/arm/boards/lubbock/board.c                    | 134 ++++++++++++++
 arch/arm/boards/lubbock/env/boot/nor-ubi           |   5 +
 arch/arm/boards/lubbock/env/init/mtdparts-nor      |  11 ++
 arch/arm/boards/lubbock/env/nv/linux.bootargs.base |   1 +
 arch/arm/boards/lubbock/lowlevel.c                 | 192 +++++++++++++++++++++
 arch/arm/configs/lubbock_defconfig                 | 106 ++++++++++++
 8 files changed, 452 insertions(+)
 create mode 100644 arch/arm/boards/lubbock/Makefile
 create mode 100644 arch/arm/boards/lubbock/board.c
 create mode 100644 arch/arm/boards/lubbock/env/boot/nor-ubi
 create mode 100644 arch/arm/boards/lubbock/env/init/mtdparts-nor
 create mode 100644 arch/arm/boards/lubbock/env/nv/linux.bootargs.base
 create mode 100644 arch/arm/boards/lubbock/lowlevel.c
 create mode 100644 arch/arm/configs/lubbock_defconfig

diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile
index c536298..e263760 100644
--- a/arch/arm/boards/Makefile
+++ b/arch/arm/boards/Makefile
@@ -55,6 +55,7 @@ obj-$(CONFIG_MACH_HIGHBANK)			+= highbank/
 obj-$(CONFIG_MACH_IMX21ADS)			+= freescale-mx21-ads/
 obj-$(CONFIG_MACH_IMX233_OLINUXINO)		+= imx233-olinuxino/
 obj-$(CONFIG_MACH_IMX27ADS)			+= freescale-mx27-ads/
+obj-$(CONFIG_MACH_LUBBOCK)			+= lubbock/
 obj-$(CONFIG_MACH_MARVELL_ARMADA_XP_GP)		+= marvell-armada-xp-gp/
 obj-$(CONFIG_MACH_MB7707)			+= module-mb7707/
 obj-$(CONFIG_MACH_MIOA701)			+= mioa701/
diff --git a/arch/arm/boards/lubbock/Makefile b/arch/arm/boards/lubbock/Makefile
new file mode 100644
index 0000000..01c7a25
--- /dev/null
+++ b/arch/arm/boards/lubbock/Makefile
@@ -0,0 +1,2 @@
+obj-y += board.o
+lwl-y += lowlevel.o
diff --git a/arch/arm/boards/lubbock/board.c b/arch/arm/boards/lubbock/board.c
new file mode 100644
index 0000000..6f517d8
--- /dev/null
+++ b/arch/arm/boards/lubbock/board.c
@@ -0,0 +1,134 @@
+/*
+ * (C) 2011 Robert Jarzmik <robert.jarzmik@free.fr>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <common.h>
+#include <driver.h>
+#include <environment.h>
+#include <fs.h>
+#include <init.h>
+#include <partition.h>
+#include <led.h>
+#include <gpio.h>
+#include <pwm.h>
+#include <linux/sizes.h>
+
+#include <mach/devices.h>
+#include <mach/mfp-pxa27x.h>
+#include <mach/pxa-regs.h>
+#include <mach/udc_pxa2xx.h>
+#include <mach/mci_pxa2xx.h>
+
+#include <net/smc91111.h>
+#include <asm/armlinux.h>
+#include <asm/io.h>
+#include <asm/mmu.h>
+
+#include <generated/mach-types.h>
+
+#define ECOR            0x8000
+#define ECOR_RESET      0x80
+#define ECOR_LEVEL_IRQ  0x40
+#define ECOR_WR_ATTRIB  0x04
+#define ECOR_ENABLE     0x01
+
+#define ECSR            0x8002
+#define ECSR_IOIS8      0x20
+#define ECSR_PWRDWN     0x04
+#define ECSR_INT        0x02
+
+static struct smc91c111_pdata smsc91x_pdata = {
+	.control_setup = 0x0800,
+	.config_setup = 0x10b2,
+	.bus_width = 16,
+	.addr_shift = 2,
+};
+
+static unsigned long lubbock_pin_config[] = {
+	GPIO15_nCS_1,	/* CS1 - Flash */
+	GPIO78_nCS_2,	/* CS2 - Baseboard FGPA + SRAM */
+	GPIO79_nCS_3,	/* CS3 - SMC ethernet */
+	GPIO80_nCS_4,	/* CS4 - SA1111 */
+
+	/* LCD - 16bpp DSTN */
+	GPIOxx_LCD_DSTN_16BPP,
+
+	/* FFUART */
+	GPIO34_FFUART_RXD,
+	GPIO35_FFUART_CTS,
+	GPIO36_FFUART_DCD,
+	GPIO37_FFUART_DSR,
+	GPIO38_FFUART_RI,
+	GPIO39_FFUART_TXD,
+	GPIO40_FFUART_DTR,
+	GPIO41_FFUART_RTS,
+};
+
+static int lubbock_devices_init(void)
+{
+	void *nor0_iospace;
+
+	armlinux_set_architecture(MACH_TYPE_LUBBOCK);
+
+	pxa_add_uart((void *)0x40100000, 0);
+	pxa_add_pwm((void *)0x40b00000, 0);
+
+	nor0_iospace = map_io_sections(0x0, (void *)0xe0000000, SZ_64M);
+	add_cfi_flash_device(0, (ulong)nor0_iospace, SZ_64M, 0);
+	add_cfi_flash_device(1, 0x04000000, SZ_64M, 0);
+	devfs_add_partition("nor0", SZ_2M, SZ_256K, DEVFS_PARTITION_FIXED,
+			    "env0");
+	add_generic_device("smc91c111", DEVICE_ID_DYNAMIC, NULL,
+			   0x0c000300, 0xff4000, IORESOURCE_MEM,
+			   &smsc91x_pdata);
+	return 0;
+}
+
+device_initcall(lubbock_devices_init);
+
+static void smc_init(void)
+{
+	/* SMC91c96 */
+	void __iomem *attaddr = (void __iomem *)0x0e000000;
+
+	writel(ECOR_RESET, attaddr + (ECOR << 2));
+	mdelay(100);
+	writel(0, attaddr + (ECOR << 2));
+	writel(ECOR_ENABLE, attaddr + (ECOR << 2));
+
+	/* force 16-bit mode */
+	writel(0, attaddr + (ECSR << 2));
+	mdelay(100);
+}
+
+static int lubbock_coredevice_init(void)
+{
+	barebox_set_model("Lubbock PXA25x");
+	barebox_set_hostname("lubbock");
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(lubbock_pin_config));
+	smc_init();
+	return 0;
+}
+coredevice_initcall(lubbock_coredevice_init);
+
+static int lubbock_mem_init(void)
+{
+	arm_add_mem_device("ram0", 0xa0000000, SZ_64M);
+	add_mem_device("sram0", 0x0a000000, SZ_1M, IORESOURCE_MEM_WRITEABLE);
+	return 0;
+}
+mem_initcall(lubbock_mem_init);
diff --git a/arch/arm/boards/lubbock/env/boot/nor-ubi b/arch/arm/boards/lubbock/env/boot/nor-ubi
new file mode 100644
index 0000000..533605e
--- /dev/null
+++ b/arch/arm/boards/lubbock/env/boot/nor-ubi
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+global.bootm.image="/dev/nor0.kernel"
+#global.bootm.oftree="/env/oftree"
+global.linux.bootargs.dyn.root="root=ubi0:linux_root ubi.mtd=nor0.root rootfstype=ubifs"
diff --git a/arch/arm/boards/lubbock/env/init/mtdparts-nor b/arch/arm/boards/lubbock/env/init/mtdparts-nor
new file mode 100644
index 0000000..3307596
--- /dev/null
+++ b/arch/arm/boards/lubbock/env/init/mtdparts-nor
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+if [ "$1" = menu ]; then
+        init-menu-add-entry "$0" "NOR partitions"
+        exit
+fi
+
+mtdparts="2048k@0(nor0.barebox)ro,256k(nor0.barebox-env),256k(nor0.barebox-logo),256k(nor0.barebox-logo2),5120k(nor0.kernel),-(nor0.root)"
+kernelname="application-flash"
+
+mtdparts-add -d nor0 -k ${kernelname} -p ${mtdparts}
diff --git a/arch/arm/boards/lubbock/env/nv/linux.bootargs.base b/arch/arm/boards/lubbock/env/nv/linux.bootargs.base
new file mode 100644
index 0000000..476b1fb
--- /dev/null
+++ b/arch/arm/boards/lubbock/env/nv/linux.bootargs.base
@@ -0,0 +1 @@
+console=ttyS0,115200
diff --git a/arch/arm/boards/lubbock/lowlevel.c b/arch/arm/boards/lubbock/lowlevel.c
new file mode 100644
index 0000000..3c8ae76
--- /dev/null
+++ b/arch/arm/boards/lubbock/lowlevel.c
@@ -0,0 +1,192 @@
+#include <common.h>
+#include <init.h>
+#include <io.h>
+
+#include <asm/barebox-arm-head.h>
+#include <asm/barebox-arm.h>
+#include <linux/sizes.h>
+#include <mach/pxa-regs.h>
+#include <mach/regs-ost.h>
+
+/*
+ * Memory settings
+ */
+#define DEFAULT_MSC0_VAL	0x23d223d2
+#define DEFAULT_MSC1_VAL	0x3ff1a441
+#define DEFAULT_MSC2_VAL	0x7ff17ff1
+#define DEFAULT_MDCNFG_VAL	0x00001ac9
+#define DEFAULT_MDREFR_VAL	0x00018018
+#define DEFAULT_MDMRS_VAL	0x00000000
+
+#define DEFAULT_FLYCNFG_VAL	0x00000000
+#define DEFAULT_SXCNFG_VAL	0x00000000
+
+/*
+ * PCMCIA and CF Interfaces
+ */
+#define DEFAULT_MECR_VAL	0x00000000
+#define DEFAULT_MCMEM0_VAL	0x00010504
+#define DEFAULT_MCMEM1_VAL	0x00010504
+#define DEFAULT_MCATT0_VAL	0x00010504
+#define DEFAULT_MCATT1_VAL	0x00010504
+#define DEFAULT_MCIO0_VAL	0x00004715
+#define DEFAULT_MCIO1_VAL	0x00004715
+
+static inline void writelrb(uint32_t val, volatile u32 __iomem *addr)
+{
+	writel(val, addr);
+	barrier();
+	readl(addr);
+	barrier();
+}
+
+static inline void pxa_wait_ticks(int ticks)
+{
+	writel(0, &OSCR);
+	while (readl(&OSCR) < ticks)
+		barrier();
+}
+
+static inline void pxa2xx_dram_init(void)
+{
+	uint32_t tmp;
+	int i;
+	/*
+	 * 1) Initialize Asynchronous static memory controller
+	 */
+
+	writelrb(DEFAULT_MSC0_VAL, &MSC0);
+	writelrb(DEFAULT_MSC1_VAL, &MSC1);
+	writelrb(DEFAULT_MSC2_VAL, &MSC2);
+	/*
+	 * 2) Initialize Card Interface
+	 */
+
+	/* MECR: Memory Expansion Card Register */
+	writelrb(DEFAULT_MECR_VAL, &MECR);
+	/* MCMEM0: Card Interface slot 0 timing */
+	writelrb(DEFAULT_MCMEM0_VAL, &MCMEM0);
+	/* MCMEM1: Card Interface slot 1 timing */
+	writelrb(DEFAULT_MCMEM1_VAL, &MCMEM1);
+	/* MCATT0: Card Interface Attribute Space Timing, slot 0 */
+	writelrb(DEFAULT_MCATT0_VAL, &MCATT0);
+	/* MCATT1: Card Interface Attribute Space Timing, slot 1 */
+	writelrb(DEFAULT_MCATT1_VAL, &MCATT1);
+	/* MCIO0: Card Interface I/O Space Timing, slot 0 */
+	writelrb(DEFAULT_MCIO0_VAL, &MCIO0);
+	/* MCIO1: Card Interface I/O Space Timing, slot 1 */
+	writelrb(DEFAULT_MCIO1_VAL, &MCIO1);
+
+	/*
+	 * 3) Configure Fly-By DMA register
+	 */
+
+	writelrb(DEFAULT_FLYCNFG_VAL, &FLYCNFG);
+
+	/*
+	 * 4) Initialize Timing for Sync Memory (SDCLK0)
+	 */
+
+	/*
+	 * Before accessing MDREFR we need a valid DRI field, so we set
+	 * this to power on defaults + DRI field.
+	 */
+
+	/* Read current MDREFR config and zero out DRI */
+	tmp = readl(&MDREFR) & ~0xfff;
+	/* Add user-specified DRI */
+	tmp |= DEFAULT_MDREFR_VAL & 0xfff;
+	/* Configure important bits */
+	tmp |= MDREFR_K0RUN | MDREFR_SLFRSH;
+	tmp &= ~(MDREFR_APD | MDREFR_E1PIN);
+
+	/* Write MDREFR back */
+	writelrb(tmp, &MDREFR);
+
+	/*
+	 * 5) Initialize Synchronous Static Memory (Flash/Peripherals)
+	 */
+
+	/* Initialize SXCNFG register. Assert the enable bits.
+	 *
+	 * Write SXMRS to cause an MRS command to all enabled banks of
+	 * synchronous static memory. Note that SXLCR need not be written
+	 * at this time.
+	 */
+	writelrb(DEFAULT_SXCNFG_VAL, &SXCNFG);
+
+	/*
+	 * 6) Initialize SDRAM
+	 */
+
+	writelrb(DEFAULT_MDREFR_VAL & ~MDREFR_SLFRSH, &MDREFR);
+	writelrb(DEFAULT_MDREFR_VAL | MDREFR_E1PIN, &MDREFR);
+
+	/*
+	 * 7) Write MDCNFG with MDCNFG:DEx deasserted (set to 0), to configure
+	 *    but not enable each SDRAM partition pair.
+	 */
+
+	writelrb(DEFAULT_MDCNFG_VAL &
+		 ~(MDCNFG_DE0 | MDCNFG_DE1 | MDCNFG_DE2 | MDCNFG_DE3), &MDCNFG);
+	/* Wait for the clock to the SDRAMs to stabilize, 100..200 usec. */
+	pxa_wait_ticks(0x300);
+
+	/*
+	 * 8) Trigger a number (usually 8) refresh cycles by attempting
+	 *    non-burst read or write accesses to disabled SDRAM, as commonly
+	 *    specified in the power up sequence documented in SDRAM data
+	 *    sheets. The address(es) used for this purpose must not be
+	 *    cacheable.
+	 */
+	for (i = 9; i >= 0; i--) {
+		writel(i, 0xa0000000);
+		barrier();
+	}
+	/*
+	 * 9) Write MDCNFG with enable bits asserted (MDCNFG:DEx set to 1).
+	 */
+
+	tmp = DEFAULT_MDCNFG_VAL &
+		(MDCNFG_DE0 | MDCNFG_DE1 | MDCNFG_DE2 | MDCNFG_DE3);
+	tmp |= readl(&MDCNFG);
+	writelrb(tmp, &MDCNFG);
+
+	/*
+	 * 10) Write MDMRS.
+	 */
+
+	writelrb(DEFAULT_MDMRS_VAL, &MDMRS);
+
+	/*
+	 * 11) Enable APD
+	 */
+
+	if (DEFAULT_MDREFR_VAL & MDREFR_APD) {
+		tmp = readl(&MDREFR);
+		tmp |= MDREFR_APD;
+		writelrb(tmp, &MDREFR);
+	}
+}
+
+void __bare_init __naked barebox_arm_reset_vector(void)
+{
+	unsigned long pssr = PSSR;
+	unsigned long pc = get_pc();
+
+	arm_cpu_lowlevel_init();
+	CKEN |= CKEN_OSTIMER | CKEN_MEMC | CKEN_FFUART;
+
+	/*
+	 * When not running from SDRAM, get it out of self refresh, and/or
+	 * initialize it.
+	 */
+	if (!(pc >= 0xa0000000 && pc < 0xb0000000))
+		pxa2xx_dram_init();
+
+	if ((pssr >= 0xa0000000 && pssr < 0xb0000000) ||
+	    (pssr >= 0x04000000 && pssr < 0x10000000))
+		asm("mov pc, %0" : : "r"(pssr) : );
+
+	barebox_arm_entry(0xa0000000, SZ_64M, 0);
+}
diff --git a/arch/arm/configs/lubbock_defconfig b/arch/arm/configs/lubbock_defconfig
new file mode 100644
index 0000000..bf04fa3
--- /dev/null
+++ b/arch/arm/configs/lubbock_defconfig
@@ -0,0 +1,106 @@
+CONFIG_ARCH_PXA=y
+CONFIG_BAREBOX_MAX_IMAGE_SIZE=0x100000
+CONFIG_AEABI=y
+CONFIG_ARM_BOARD_APPEND_ATAG=y
+CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
+CONFIG_ARM_UNWIND=y
+# CONFIG_BANNER is not set
+CONFIG_MMU=y
+CONFIG_TEXT_BASE=0xa3d00000
+CONFIG_BAREBOX_MAX_BARE_INIT_SIZE=0x80000
+CONFIG_MALLOC_SIZE=0x1000000
+CONFIG_EXPERIMENTAL=y
+CONFIG_MODULES=y
+CONFIG_KALLSYMS=y
+CONFIG_PROMPT="lubbock-barebox:"
+CONFIG_HUSH_FANCY_PROMPT=y
+CONFIG_CMDLINE_EDITING=y
+CONFIG_AUTO_COMPLETE=y
+CONFIG_MENU=y
+CONFIG_CONSOLE_ACTIVATE_ALL=y
+CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW=y
+CONFIG_DEFAULT_ENVIRONMENT_PATH="arch/arm/boards/lubbock/env"
+CONFIG_RESET_SOURCE=y
+CONFIG_DEBUG_INFO=y
+CONFIG_CMD_DMESG=y
+CONFIG_LONGHELP=y
+CONFIG_CMD_IOMEM=y
+CONFIG_CMD_MEMINFO=y
+CONFIG_CMD_BOOTM_SHOW_TYPE=y
+CONFIG_CMD_BOOTM_VERBOSE=y
+CONFIG_CMD_BOOTM_INITRD=y
+CONFIG_CMD_BOOTM_OFTREE=y
+CONFIG_CMD_GO=y
+CONFIG_CMD_LOADB=y
+CONFIG_CMD_LOADS=y
+CONFIG_CMD_LOADY=y
+CONFIG_CMD_RESET=y
+CONFIG_CMD_SAVES=y
+CONFIG_CMD_PARTITION=y
+CONFIG_CMD_UBIFORMAT=y
+CONFIG_CMD_EXPORT=y
+CONFIG_CMD_LOADENV=y
+CONFIG_CMD_PRINTENV=y
+CONFIG_CMD_SAVEENV=y
+CONFIG_CMD_FILETYPE=y
+CONFIG_CMD_LN=y
+CONFIG_CMD_UNCOMPRESS=y
+CONFIG_CMD_LET=y
+CONFIG_CMD_MSLEEP=y
+CONFIG_CMD_SLEEP=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_HOST=y
+CONFIG_CMD_MIITOOL=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_TFTP=y
+CONFIG_CMD_ECHO_E=y
+CONFIG_CMD_EDIT=y
+CONFIG_CMD_MENU=y
+CONFIG_CMD_MENU_MANAGEMENT=y
+CONFIG_CMD_SPLASH=y
+CONFIG_CMD_READLINE=y
+CONFIG_CMD_TIMEOUT=y
+CONFIG_CMD_CRC=y
+CONFIG_CMD_CRC_CMP=y
+CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_MM=y
+CONFIG_CMD_DETECT=y
+CONFIG_CMD_FLASH=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_LED=y
+CONFIG_CMD_POWEROFF=y
+CONFIG_CMD_LSMOD=y
+CONFIG_CMD_OF_NODE=y
+CONFIG_CMD_OF_PROPERTY=y
+CONFIG_CMD_OFTREE=y
+CONFIG_CMD_TIME=y
+CONFIG_NET=y
+CONFIG_NET_NETCONSOLE=y
+CONFIG_OFDEVICE=y
+CONFIG_OF_BAREBOX_DRIVERS=y
+CONFIG_DRIVER_SERIAL_PXA=y
+CONFIG_DRIVER_NET_SMC91111=y
+# CONFIG_SPI is not set
+CONFIG_MTD=y
+CONFIG_DRIVER_CFI=y
+# CONFIG_DRIVER_CFI_AMD is not set
+CONFIG_CFI_BUFFER_WRITE=y
+CONFIG_MTD_UBI=y
+CONFIG_MCI=y
+CONFIG_MCI_PXA=y
+CONFIG_LED=y
+CONFIG_LED_GPIO=y
+CONFIG_KEYBOARD_GPIO=y
+CONFIG_GENERIC_PHY=y
+CONFIG_FS_CRAMFS=y
+CONFIG_FS_EXT4=y
+CONFIG_FS_TFTP=y
+CONFIG_FS_FAT=y
+CONFIG_FS_FAT_WRITE=y
+CONFIG_FS_FAT_LFN=y
+CONFIG_FS_UBIFS=y
+CONFIG_FS_UBIFS_COMPRESSION_LZO=y
+CONFIG_FS_UBIFS_COMPRESSION_ZLIB=y
+CONFIG_BZLIB=y
+CONFIG_BMP=y
+CONFIG_PNG=y
-- 
2.1.0


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^ permalink raw reply	[flat|nested] 3+ messages in thread
* Re: [PATCH v2 1/2] ARM: pxa: add pxa25x support
  2015-01-31 13:15 [PATCH v2 1/2] ARM: pxa: add pxa25x support Robert Jarzmik
  2015-01-31 13:15 ` [PATCH v2 2/2] ARM: pxa: add lubbock board support Robert Jarzmik
@ 2015-02-02  9:17 ` Sascha Hauer
  1 sibling, 0 replies; 3+ messages in thread
From: Sascha Hauer @ 2015-02-02  9:17 UTC (permalink / raw)
  To: Robert Jarzmik; +Cc: barebox

On Sat, Jan 31, 2015 at 02:15:33PM +0100, Robert Jarzmik wrote:
> Add support for the PXA25X SoC family, the oldest of the PXA serie.
> 
> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
> ---
>  arch/arm/mach-pxa/Kconfig                    | 21 +++++++++++
>  arch/arm/mach-pxa/Makefile                   |  1 +
>  arch/arm/mach-pxa/include/mach/pxa-regs.h    |  2 ++
>  arch/arm/mach-pxa/include/mach/pxa25x-regs.h |  6 ++++
>  arch/arm/mach-pxa/include/mach/pxa2xx-regs.h |  1 +
>  arch/arm/mach-pxa/mfp-pxa2xx.c               |  4 ++-
>  arch/arm/mach-pxa/sleep.S                    |  2 +-
>  arch/arm/mach-pxa/speed-pxa25x.c             | 54 ++++++++++++++++++++++++++++
>  8 files changed, 89 insertions(+), 2 deletions(-)
>  create mode 100644 arch/arm/mach-pxa/include/mach/pxa25x-regs.h
>  create mode 100644 arch/arm/mach-pxa/speed-pxa25x.c

Applied both, thanks

Sascha


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^ permalink raw reply	[flat|nested] 3+ messages in thread
end of thread, other threads:[~2015-02-02  9:17 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-01-31 13:15 [PATCH v2 1/2] ARM: pxa: add pxa25x support Robert Jarzmik
2015-01-31 13:15 ` [PATCH v2 2/2] ARM: pxa: add lubbock board support Robert Jarzmik
2015-02-02  9:17 ` [PATCH v2 1/2] ARM: pxa: add pxa25x support Sascha Hauer

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