diff options
Diffstat (limited to 'target/linux/pxa/patches-2.6.21/005-compact-flash.patch')
| -rw-r--r-- | target/linux/pxa/patches-2.6.21/005-compact-flash.patch | 283 |
1 files changed, 0 insertions, 283 deletions
diff --git a/target/linux/pxa/patches-2.6.21/005-compact-flash.patch b/target/linux/pxa/patches-2.6.21/005-compact-flash.patch deleted file mode 100644 index 6143fc69d1..0000000000 --- a/target/linux/pxa/patches-2.6.21/005-compact-flash.patch +++ /dev/null @@ -1,283 +0,0 @@ ---- a/drivers/pcmcia/Makefile -+++ b/drivers/pcmcia/Makefile -@@ -69,4 +69,4 @@ sa1100_cs-$(CONFIG_SA1100_SIMPAD) += sa - pxa2xx_cs-$(CONFIG_ARCH_LUBBOCK) += pxa2xx_lubbock.o sa1111_generic.o - pxa2xx_cs-$(CONFIG_MACH_MAINSTONE) += pxa2xx_mainstone.o - pxa2xx_cs-$(CONFIG_PXA_SHARPSL) += pxa2xx_sharpsl.o -- -+pxa2xx_cs-$(CONFIG_ARCH_GUMSTIX) += pxa2xx_gumstix.o ---- /dev/null -+++ b/drivers/pcmcia/pxa2xx_gumstix.c -@@ -0,0 +1,272 @@ -+/* -+ * linux/drivers/pcmcia/pxa2xx_gumstix.c -+ * -+ * Gumstix PCMCIA specific routines. Based on Mainstone -+ * -+ * Copyright 2004, Craig Hughes <craig@gumstix.com> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include <linux/module.h> -+#include <linux/init.h> -+#include <linux/kernel.h> -+#include <linux/errno.h> -+#include <linux/interrupt.h> -+#include <linux/device.h> -+#include <linux/platform_device.h> -+ -+#include <pcmcia/ss.h> -+ -+#include <asm/hardware.h> -+#include <asm/delay.h> -+#include <asm/arch/pxa-regs.h> -+#include <asm/irq.h> -+#include <asm/io.h> -+ -+#include <asm/arch/gumstix.h> -+ -+#include "soc_common.h" -+ -+static struct pcmcia_irqs gumstix_pcmcia_irqs0[] = { -+ { 0, GUMSTIX_S0_nCD_IRQ, "CF0 nCD" }, -+ { 0, GUMSTIX_S0_nSTSCHG_IRQ, "CF0 nSTSCHG" }, -+}; -+ -+static struct pcmcia_irqs gumstix_pcmcia_irqs1[] = { -+ { 1, GUMSTIX_S1_nCD_IRQ, "CF1 nCD" }, -+ { 1, GUMSTIX_S1_nSTSCHG_IRQ, "CF1 nSTSCHG" }, -+}; -+ -+static int net_cf_vx_mode = 0; -+ -+static int gumstix_pcmcia_hw_init(struct soc_pcmcia_socket *skt) -+{ -+ if(skt->nr == 0) -+ { -+ pxa_gpio_mode(GPIO_GUMSTIX_nSTSCHG_0_MD); -+ pxa_gpio_mode(GPIO_GUMSTIX_nCD_0_MD); -+ if(net_cf_vx_mode) -+ pxa_gpio_mode(GPIO_GUMSTIX_PRDY_nBSY_0_OLD_MD); -+ else -+ pxa_gpio_mode(GPIO_GUMSTIX_PRDY_nBSY_0_MD); -+ } else { -+ pxa_gpio_mode(GPIO_GUMSTIX_nSTSCHG_1_MD); -+ pxa_gpio_mode(GPIO_GUMSTIX_nCD_1_MD); -+ pxa_gpio_mode(GPIO_GUMSTIX_PRDY_nBSY_1_MD); -+ } -+ -+ pxa_gpio_mode(GPIO_GUMSTIX_nPOE_MD); -+ pxa_gpio_mode(GPIO_GUMSTIX_nPWE_MD); -+ pxa_gpio_mode(GPIO_GUMSTIX_nPIOR_MD); -+ pxa_gpio_mode(GPIO_GUMSTIX_nPIOW_MD); -+ pxa_gpio_mode(GPIO_GUMSTIX_nPCE_1_MD); -+ pxa_gpio_mode(GPIO_GUMSTIX_nPCE_2_MD); -+ pxa_gpio_mode(GPIO_GUMSTIX_pSKTSEL_MD); -+ pxa_gpio_mode(GPIO_GUMSTIX_nPREG_MD); -+ pxa_gpio_mode(GPIO_GUMSTIX_nPWAIT_MD); -+ pxa_gpio_mode(GPIO_GUMSTIX_nIOIS16_MD); -+ -+ skt->irq = (skt->nr == 0) ? ((net_cf_vx_mode == 0) ? GUMSTIX_S0_PRDY_nBSY_IRQ : GUMSTIX_S0_PRDY_nBSY_OLD_IRQ) : GUMSTIX_S1_PRDY_nBSY_IRQ; -+ -+ return (skt->nr == 0) ? soc_pcmcia_request_irqs(skt, gumstix_pcmcia_irqs0, ARRAY_SIZE(gumstix_pcmcia_irqs0)) : -+ soc_pcmcia_request_irqs(skt, gumstix_pcmcia_irqs1, ARRAY_SIZE(gumstix_pcmcia_irqs1)); -+} -+ -+static void gumstix_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) -+{ -+ if(skt->nr == 0) -+ { -+ soc_pcmcia_free_irqs(skt, gumstix_pcmcia_irqs0, ARRAY_SIZE(gumstix_pcmcia_irqs0)); -+ } else { -+ soc_pcmcia_free_irqs(skt, gumstix_pcmcia_irqs1, ARRAY_SIZE(gumstix_pcmcia_irqs1)); -+ } -+} -+ -+static void gumstix_pcmcia_socket_state(struct soc_pcmcia_socket *skt, -+ struct pcmcia_state *state) -+{ -+ unsigned int cd, prdy_nbsy, nbvd1; -+ if(skt->nr == 0) -+ { -+ cd = GPIO_GUMSTIX_nCD_0; -+ if(net_cf_vx_mode) -+ prdy_nbsy = GPIO_GUMSTIX_PRDY_nBSY_0_OLD; -+ else -+ prdy_nbsy = GPIO_GUMSTIX_PRDY_nBSY_0; -+ nbvd1 = GPIO_GUMSTIX_nBVD1_0; -+ } else { -+ cd = GPIO_GUMSTIX_nCD_1; -+ prdy_nbsy = GPIO_GUMSTIX_PRDY_nBSY_1; -+ nbvd1 = GPIO_GUMSTIX_nBVD1_1; -+ } -+ state->detect = !(GPLR(cd) & GPIO_bit(cd)); -+ state->ready = !!(GPLR(prdy_nbsy) & GPIO_bit(prdy_nbsy)); -+ state->bvd1 = !!(GPLR(nbvd1) & GPIO_bit(nbvd1)); -+ state->bvd2 = 1; -+ state->vs_3v = 0; -+ state->vs_Xv = 0; -+ state->wrprot = 0; -+} -+ -+static int gumstix_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, -+ const socket_state_t *state) -+{ -+ return 0; -+} -+ -+static void gumstix_pcmcia_socket_init(struct soc_pcmcia_socket *skt) -+{ -+ if(skt->nr) { -+ soc_pcmcia_enable_irqs(skt, gumstix_pcmcia_irqs0, ARRAY_SIZE(gumstix_pcmcia_irqs0)); -+ } else { -+ soc_pcmcia_enable_irqs(skt, gumstix_pcmcia_irqs1, ARRAY_SIZE(gumstix_pcmcia_irqs1)); -+ } -+} -+ -+static void gumstix_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) -+{ -+ if(skt->nr) { -+ soc_pcmcia_disable_irqs(skt, gumstix_pcmcia_irqs0, ARRAY_SIZE(gumstix_pcmcia_irqs0)); -+ } else { -+ soc_pcmcia_disable_irqs(skt, gumstix_pcmcia_irqs1, ARRAY_SIZE(gumstix_pcmcia_irqs1)); -+ } -+} -+ -+static struct pcmcia_low_level gumstix_pcmcia_ops = { -+ .owner = THIS_MODULE, -+ .hw_init = gumstix_pcmcia_hw_init, -+ .hw_shutdown = gumstix_pcmcia_hw_shutdown, -+ .socket_state = gumstix_pcmcia_socket_state, -+ .configure_socket = gumstix_pcmcia_configure_socket, -+ .socket_init = gumstix_pcmcia_socket_init, -+ .socket_suspend = gumstix_pcmcia_socket_suspend, -+ .nr = 2, -+}; -+ -+static struct platform_device *gumstix_pcmcia_device; -+ -+inline void __init gumstix_pcmcia_cpld_clk(void) -+{ -+ GPCR(GPIO_GUMSTIX_nPOE) = GPIO_bit(GPIO_GUMSTIX_nPOE); -+ GPSR(GPIO_GUMSTIX_nPOE) = GPIO_bit(GPIO_GUMSTIX_nPOE); -+} -+ -+inline unsigned char __init gumstix_pcmcia_cpld_read_bits(int bits) -+{ -+ unsigned char result = 0; -+ unsigned int shift = 0; -+ while(bits--) -+ { -+ result |= !!(GPLR(GPIO_GUMSTIX_nCD_0) & GPIO_bit(GPIO_GUMSTIX_nCD_0)) << shift; -+ shift ++; -+ gumstix_pcmcia_cpld_clk(); -+ } -+ printk("CPLD responded with: %02x\n",result); -+ return result; -+} -+ -+/* We use the CPLD on the CF-CF card to read a value from a shift register. If we can read that -+ * magic sequence, then we have 2 CF cards; otherwise we assume just one -+ * The CPLD will send the value of the shift register on GPIO11 (the CD line for slot 0) -+ * when RESET is held in reset. We use GPIO48 (nPOE) as a clock signal, -+ * GPIO52/53 (card enable for both cards) to control read/write to the shift register -+ */ -+static void __init gumstix_count_cards(void) -+{ -+ pxa_gpio_mode(GPIO_GUMSTIX_nPOE | GPIO_OUT); -+ pxa_gpio_mode(GPIO_GUMSTIX_nPCE_1 | GPIO_OUT); -+ pxa_gpio_mode(GPIO_GUMSTIX_nPCE_2 | GPIO_OUT); -+ pxa_gpio_mode(GPIO_GUMSTIX_nCD_0 | GPIO_IN); -+ if(net_cf_vx_mode) -+ pxa_gpio_mode(GPIO_GUMSTIX_CF_OLD_RESET | GPIO_OUT); -+ else -+ pxa_gpio_mode(GPIO_GUMSTIX_CF_RESET | GPIO_OUT); -+ -+ // Enter reset -+ if(net_cf_vx_mode) -+ GPSR(GPIO_GUMSTIX_CF_OLD_RESET) = GPIO_bit(GPIO_GUMSTIX_CF_OLD_RESET); -+ else -+ GPSR(GPIO_GUMSTIX_CF_RESET) = GPIO_bit(GPIO_GUMSTIX_CF_RESET); -+ -+ // Setup the shift register -+ GPSR(GPIO_GUMSTIX_nPCE_1) = GPIO_bit(GPIO_GUMSTIX_nPCE_1); -+ GPCR(GPIO_GUMSTIX_nPCE_2) = GPIO_bit(GPIO_GUMSTIX_nPCE_2); -+ -+ // Tick the clock to program the shift register -+ gumstix_pcmcia_cpld_clk(); -+ -+ // Now set shift register into read mode -+ GPCR(GPIO_GUMSTIX_nPCE_1) = GPIO_bit(GPIO_GUMSTIX_nPCE_1); -+ GPSR(GPIO_GUMSTIX_nPCE_2) = GPIO_bit(GPIO_GUMSTIX_nPCE_2); -+ -+ // We can read the bits now -- 0xC2 means "Dual compact flash" -+ if(gumstix_pcmcia_cpld_read_bits(8) != 0xC2) -+ { -+ // We do not have 2 CF slots -+ gumstix_pcmcia_ops.nr = 1; -+ } -+} -+ -+#ifdef CONFIG_ARCH_GUMSTIX_VERDEX -+static void __init gumstix_check_if_netCF_vx(void) -+{ -+ void *network_controller_memory = ioremap(0x04000300,16); -+ // Look for the special 91c111 value in the bank select register -+ if((0xff00 & readw(network_controller_memory+0x0e)) == 0x3300) { -+ printk("Detected netCF-vx board: using older GPIO configuration\n"); -+ net_cf_vx_mode = 1; -+ } else { -+ printk("Not netCF-vx board: using newer GPIO configuration\n"); -+ net_cf_vx_mode = 0; -+ } -+ iounmap(network_controller_memory); -+} -+#endif -+ -+static int __init gumstix_pcmcia_init(void) -+{ -+ int ret; -+ -+#ifdef CONFIG_ARCH_GUMSTIX_VERDEX -+ gumstix_check_if_netCF_vx(); -+#endif -+ -+ gumstix_count_cards(); -+ -+ udelay(50); -+ if(net_cf_vx_mode) -+ GPCR(GPIO_GUMSTIX_CF_OLD_RESET) = GPIO_bit(GPIO_GUMSTIX_CF_OLD_RESET); -+ else -+ GPCR(GPIO_GUMSTIX_CF_RESET) = GPIO_bit(GPIO_GUMSTIX_CF_RESET); -+ -+ gumstix_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); -+ if (!gumstix_pcmcia_device) -+ return -ENOMEM; -+ -+ gumstix_pcmcia_device->dev.platform_data = &gumstix_pcmcia_ops; -+ -+ ret = platform_device_add(gumstix_pcmcia_device); -+ if (ret) -+ platform_device_put(gumstix_pcmcia_device); -+ -+ return ret; -+} -+ -+static void __exit gumstix_pcmcia_exit(void) -+{ -+ /* -+ * This call is supposed to free our gumstix_pcmcia_device. -+ * Unfortunately platform_device don't have a free method, and -+ * we can't assume it's free of any reference at this point so we -+ * can't free it either. -+ */ -+ platform_device_unregister(gumstix_pcmcia_device); -+} -+ -+fs_initcall(gumstix_pcmcia_init); -+module_exit(gumstix_pcmcia_exit); -+ -+MODULE_LICENSE("GPL"); |