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Message-Id: <11761544544019-git-send-email-tony@atomide.com>
Date: Mon, 9 Apr 2007 17:33:59 -0400
From: Tony Lindgren <tony@...mide.com>
To: linux-kernel@...r.kernel.org
Cc: Kyungmin Park <kyungmin.park@...sung.com>,
Tony Lindgren <tony@...mide.com>
Subject: [PATCH 4/7] ARM: OMAP: cleanup apollon board
From: Kyungmin Park <kyungmin.park@...sung.com>
- Add etherent gpmc handling
- Remove unused mux setting
- Add MMC switch pin comments
Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
Signed-off-by: Tony Lindgren <tony@...mide.com>
---
arch/arm/mach-omap2/board-apollon.c | 50 ++++++++++++++++++++++++++--------
1 files changed, 38 insertions(+), 12 deletions(-)
--- a/arch/arm/mach-omap2/board-apollon.c
+++ b/arch/arm/mach-omap2/board-apollon.c
@@ -27,6 +27,8 @@
#include <linux/delay.h>
#include <linux/leds.h>
#include <linux/irq.h>
+#include <linux/err.h>
+#include <linux/clk.h>
#include <asm/hardware.h>
#include <asm/mach-types.h>
@@ -187,16 +189,42 @@ static struct platform_device *apollon_devices[] __initdata = {
static inline void __init apollon_init_smc91x(void)
{
unsigned long base;
+ unsigned int rate;
+ struct clk *l3ck;
+ int eth_cs;
+
+ l3ck = clk_get(NULL, "core_l3_ck");
+ if (IS_ERR(l3ck))
+ rate = 100000000;
+ else
+ rate = clk_get_rate(l3ck);
+
+ eth_cs = APOLLON_ETH_CS;
/* Make sure CS1 timings are correct */
- GPMC_CONFIG1_1 = 0x00011203;
- GPMC_CONFIG2_1 = 0x001f1f01;
- GPMC_CONFIG3_1 = 0x00080803;
- GPMC_CONFIG4_1 = 0x1c091c09;
- GPMC_CONFIG5_1 = 0x041f1f1f;
- GPMC_CONFIG6_1 = 0x000004c4;
-
- if (gpmc_cs_request(APOLLON_ETH_CS, SZ_16M, &base) < 0) {
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, 0x00011200);
+
+ if (rate >= 160000000) {
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
+ } else if (rate >= 130000000) {
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
+ } else {/* rate = 100000000 */
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
+ gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
+ }
+
+ if (gpmc_cs_request(eth_cs, SZ_16M, &base) < 0) {
printk(KERN_ERR "Failed to request GPMC CS for smc91x\n");
return;
}
@@ -208,7 +236,7 @@ static inline void __init apollon_init_smc91x(void)
if (omap_request_gpio(APOLLON_ETHR_GPIO_IRQ) < 0) {
printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
APOLLON_ETHR_GPIO_IRQ);
- gpmc_cs_free(APOLLON_ETH_CS);
+ gpmc_cs_free(eth_cs);
return;
}
omap_set_gpio_direction(APOLLON_ETHR_GPIO_IRQ, 1);
@@ -232,6 +260,7 @@ static struct omap_mmc_config apollon_mmc_config __initdata = {
.wire4 = 1,
.wp_pin = -1,
.power_pin = -1,
+ /* Note: If you want to detect card feature, please assign 37 */
.switch_pin = -1,
},
};
@@ -336,9 +365,6 @@ static void __init omap_apollon_init(void)
apollon_flash_init();
apollon_usb_init();
- /* REVISIT: where's the correct place */
- omap_cfg_reg(W19_24XX_SYS_NIRQ);
-
/* Use Interal loop-back in MMC/SDIO Module Input Clock selection */
CONTROL_DEVCONF |= (1 << 24);
--
1.4.4.2
-
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