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From 7177efc5b030012c54c2e217c9d6decc0bcc1c53 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Tue, 28 Oct 2014 13:30:23 +0100
Subject: [PATCH 156/158] MIPS: BCM47XX: Make bcma init NVRAM instead of
bcm47xx polling it
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This drops ssb/bcma dependency and will allow us to make it a standalone
driver.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Patchwork: https://patchwork.linux-mips.org/patch/8233/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
arch/mips/bcm47xx/nvram.c | 42 ++----------------------------------------
drivers/bcma/driver_mips.c | 13 +++++++++++--
2 files changed, 13 insertions(+), 42 deletions(-)
--- a/arch/mips/bcm47xx/nvram.c
+++ b/arch/mips/bcm47xx/nvram.c
@@ -121,48 +121,10 @@ int bcm47xx_nvram_init_from_mem(u32 base
return err;
}
-#ifdef CONFIG_BCM47XX_BCMA
-static int nvram_init_bcma(void)
-{
- struct bcma_drv_cc *cc = &bcm47xx_bus.bcma.bus.drv_cc;
- u32 base;
- u32 lim;
-
-#ifdef CONFIG_BCMA_NFLASH
- if (cc->nflash.boot) {
- base = BCMA_SOC_FLASH1;
- lim = BCMA_SOC_FLASH1_SZ;
- } else
-#endif
- if (cc->pflash.present) {
- base = cc->pflash.window;
- lim = cc->pflash.window_size;
-#ifdef CONFIG_BCMA_SFLASH
- } else if (cc->sflash.present) {
- base = cc->sflash.window;
- lim = cc->sflash.size;
-#endif
- } else {
- pr_err("Couldn't find supported flash memory\n");
- return -ENXIO;
- }
-
- return bcm47xx_nvram_init_from_mem(base, lim);
-}
-#endif
-
static int nvram_init(void)
{
- switch (bcm47xx_bus_type) {
-#ifdef CONFIG_BCM47XX_SSB
- case BCM47XX_BUS_TYPE_SSB:
- break;
-#endif
-#ifdef CONFIG_BCM47XX_BCMA
- case BCM47XX_BUS_TYPE_BCMA:
- return nvram_init_bcma();
-#endif
- }
+ /* TODO: Look for MTD "nvram" partition */
+
return -ENXIO;
}
--- a/drivers/bcma/driver_mips.c
+++ b/drivers/bcma/driver_mips.c
@@ -20,6 +20,9 @@
#include <linux/serial_core.h>
#include <linux/serial_reg.h>
#include <linux/time.h>
+#ifdef CONFIG_BCM47XX
+#include <bcm47xx_nvram.h>
+#endif
enum bcma_boot_dev {
BCMA_BOOT_DEV_UNK = 0,
@@ -316,10 +319,16 @@ static void bcma_core_mips_flash_detect(
switch (boot_dev) {
case BCMA_BOOT_DEV_PARALLEL:
case BCMA_BOOT_DEV_SERIAL:
- /* TODO: Init NVRAM using BCMA_SOC_FLASH2 window */
+#ifdef CONFIG_BCM47XX
+ bcm47xx_nvram_init_from_mem(BCMA_SOC_FLASH2,
+ BCMA_SOC_FLASH2_SZ);
+#endif
break;
case BCMA_BOOT_DEV_NAND:
- /* TODO: Init NVRAM using BCMA_SOC_FLASH1 window */
+#ifdef CONFIG_BCM47XX
+ bcm47xx_nvram_init_from_mem(BCMA_SOC_FLASH1,
+ BCMA_SOC_FLASH1_SZ);
+#endif
break;
default:
break;
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