[PATCH v2 1/2] ARM: pxa: add pxa25x support
Robert Jarzmik
robert.jarzmik at free.fr
Sat Jan 31 05:15:33 PST 2015
Add support for the PXA25X SoC family, the oldest of the PXA serie.
Signed-off-by: Robert Jarzmik <robert.jarzmik at 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 at 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
More information about the barebox
mailing list