omap3: embedd gpmc_cs into gpmc config struct

Embedd chip select configuration into struct for gpmc config
instead of having it completely separated as suggested by
Wolfgang Denk on
http://lists.denx.de/pipermail/u-boot/2009-May/052247.html

Signed-off-by: Matthias Ludwig <mludwig@ultratronik.de>

2 files changed, 15 insertions, 22 deletions

diff --git a/cpu/arm_cortexa8/omap3/mem.c b/cpu/arm_cortexa8/omap3/mem.c
index 3cc22c4988..965de3add0 100644
--- a/cpu/arm_cortexa8/omap3/mem.c
+++ b/cpu/arm_cortexa8/omap3/mem.c
@@ -51,7 +51,6 @@ static u32 gpmc_m_nand[GPMC_MAX_REG] = {
 	M_NAND_GPMC_CONFIG6, 0
 };
 
-gpmc_csx_t *nand_cs_base;
 gpmc_t *gpmc_cfg_base;
 
 #if defined(CONFIG_ENV_IS_IN_NAND)
@@ -72,8 +71,6 @@ static u32 gpmc_onenand[GPMC_MAX_REG] = {
 	ONENAND_GPMC_CONFIG6, 0
 };
 
-gpmc_csx_t *onenand_cs_base;
-
 #if defined(CONFIG_ENV_IS_IN_ONENAND)
 #define GPMC_CS 0
 #else
@@ -195,21 +192,21 @@ void do_sdrc_init(u32 cs, u32 early)
 		writel(0, &sdrc_base->cs[cs].mcfg);
 }
 
-void enable_gpmc_config(u32 *gpmc_config, gpmc_csx_t *gpmc_cs_base, u32 base,
+void enable_gpmc_cs_config(u32 *gpmc_config, struct gpmc_cs *cs, u32 base,
 			u32 size)
 {
-	writel(0, &gpmc_cs_base->config7);
+	writel(0, &cs->config7);
 	sdelay(1000);
 	/* Delay for settling */
-	writel(gpmc_config[0], &gpmc_cs_base->config1);
-	writel(gpmc_config[1], &gpmc_cs_base->config2);
-	writel(gpmc_config[2], &gpmc_cs_base->config3);
-	writel(gpmc_config[3], &gpmc_cs_base->config4);
-	writel(gpmc_config[4], &gpmc_cs_base->config5);
-	writel(gpmc_config[5], &gpmc_cs_base->config6);
+	writel(gpmc_config[0], &cs->config1);
+	writel(gpmc_config[1], &cs->config2);
+	writel(gpmc_config[2], &cs->config3);
+	writel(gpmc_config[3], &cs->config4);
+	writel(gpmc_config[4], &cs->config5);
+	writel(gpmc_config[5], &cs->config6);
 	/* Enable the config */
 	writel((((size & 0xF) << 8) | ((base >> 24) & 0x3F) |
-		(1 << 6)), &gpmc_cs_base->config7);
+		(1 << 6)), &cs->config7);
 	sdelay(2000);
 }
 
@@ -223,7 +220,6 @@ void gpmc_init(void)
 	/* putting a blanket check on GPMC based on ZeBu for now */
 	u32 *gpmc_config = NULL;
 	gpmc_t *gpmc_base = (gpmc_t *)GPMC_BASE;
-	gpmc_csx_t *gpmc_cs_base = (gpmc_csx_t *)GPMC_CONFIG_CS0_BASE;
 	u32 base = 0;
 	u32 size = 0;
 	u32 f_off = CONFIG_SYS_MONITOR_LEN;
@@ -242,17 +238,16 @@ void gpmc_init(void)
 	 * Disable the GPMC0 config set by ROM code
 	 * It conflicts with our MPDB (both at 0x08000000)
 	 */
-	writel(0, &gpmc_cs_base->config7);
+	writel(0, &gpmc_base->cs[0].config7);
 	sdelay(1000);
 
 #if defined(CONFIG_CMD_NAND)	/* CS 0 */
 	gpmc_config = gpmc_m_nand;
 	gpmc_cfg_base = gpmc_base;
-	nand_cs_base = (gpmc_csx_t *)(GPMC_CONFIG_CS0_BASE +
-					(GPMC_CS * GPMC_CONFIG_WIDTH));
+
 	base = PISMO1_NAND_BASE;
 	size = PISMO1_NAND_SIZE;
-	enable_gpmc_config(gpmc_config, nand_cs_base, base, size);
+	enable_gpmc_cs_config(gpmc_config, &gpmc_base->cs[0], base, size);
 #if defined(CONFIG_ENV_IS_IN_NAND)
 	f_off = SMNAND_ENV_OFFSET;
 	f_sec = SZ_128K;
@@ -266,11 +261,9 @@ void gpmc_init(void)
 
 #if defined(CONFIG_CMD_ONENAND)
 	gpmc_config = gpmc_onenand;
-	onenand_cs_base = (gpmc_csx_t *)(GPMC_CONFIG_CS0_BASE +
-					(GPMC_CS * GPMC_CONFIG_WIDTH));
 	base = PISMO1_ONEN_BASE;
 	size = PISMO1_ONEN_SIZE;
-	enable_gpmc_config(gpmc_config, onenand_cs_base, base, size);
+	enable_gpmc_cs_config(gpmc_config, &gpmc_base->cs[0], base, size);
 #if defined(CONFIG_ENV_IS_IN_ONENAND)
 	f_off = ONENAND_ENV_OFFSET;
 	f_sec = SZ_128K;
diff --git a/cpu/arm_cortexa8/omap3/sys_info.c b/cpu/arm_cortexa8/omap3/sys_info.c
index 2f04cd6d97..91ee2ffe80 100644
--- a/cpu/arm_cortexa8/omap3/sys_info.c
+++ b/cpu/arm_cortexa8/omap3/sys_info.c
@@ -32,7 +32,7 @@
 #include <i2c.h>
 
 extern omap3_sysinfo sysinfo;
-static gpmc_csx_t *gpmc_cs_base = (gpmc_csx_t *)GPMC_CONFIG_CS0_BASE;
+static gpmc_t *gpmc_base = (gpmc_t *)GPMC_BASE;
 static sdrc_t *sdrc_base = (sdrc_t *)OMAP34XX_SDRC_BASE;
 static ctrl_t *ctrl_base = (ctrl_t *)OMAP34XX_CTRL_BASE;
 static char *rev_s[CPU_3XX_MAX_REV] = {
@@ -160,7 +160,7 @@ u32 get_gpmc0_base(void)
 {
 	u32 b;
 
-	b = readl(&gpmc_cs_base->config7);
+	b = readl(&gpmc_base->cs[0].config7);
 	b &= 0x1F;		/* keep base [5:0] */
 	b = b << 24;		/* ret 0x0b000000 */
 	return b;